:root {
  --bg: #07090c;
  --bg-soft: #0d1116;
  --panel: #11171d;
  --panel-2: #161d24;
  --panel-3: #1f262d;
  --text: #f6f8fb;
  --muted: #aeb7c2;
  --muted-2: #7f8b98;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --blue: #36a9ff;
  --blue-strong: #1592e6;
  --orange: #ff7433;
  --orange-strong: #e85c1b;
  --steel: #c5cbd3;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --radius: 8px;
  --max: 1180px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.035), transparent 360px),
    var(--bg);
  color: var(--text);
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  line-height: 1.55;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

::selection {
  background: rgba(54, 169, 255, 0.35);
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-140%);
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 900;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 12, 0.86);
  backdrop-filter: blur(16px);
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1280px, calc(100% - 32px));
  min-height: 84px;
  margin-inline: auto;
  gap: 22px;
}

.site-logo,
.footer-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  width: 120px;
  height: 76px;
}

.site-logo img,
.footer-logo img {
  width: 120px;
  height: auto;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.desktop-nav > a,
.nav-dropdown > summary {
  min-height: 42px;
  padding: 11px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: color 160ms ease, background 160ms ease;
}

.desktop-nav > a:hover,
.desktop-nav > a.active,
.nav-dropdown.active > summary,
.nav-dropdown[open] > summary,
.nav-dropdown > summary:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown > summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  list-style: none;
}

.nav-dropdown > summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown > summary::after {
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  content: "";
  transform: translateY(-2px) rotate(45deg);
}

.nav-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  display: none;
  width: 300px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(13, 17, 22, 0.98);
  box-shadow: var(--shadow);
  gap: 4px;
}

.nav-dropdown[open] .nav-menu {
  display: grid;
}

.nav-menu a {
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 700;
}

.nav-menu a:hover {
  background: rgba(54, 169, 255, 0.12);
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-phone {
  color: var(--text);
  font-weight: 800;
  white-space: nowrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 850;
  line-height: 1.1;
  text-align: center;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--blue);
  color: #03111c;
}

.button-primary:hover {
  background: #62bdff;
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
}

.button-small {
  min-height: 42px;
  padding: 11px 15px;
  background: var(--blue);
  color: #03111c;
  font-size: 0.9rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  transition: transform 160ms ease, opacity 160ms ease;
}

.site-header[data-open="true"] .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header[data-open="true"] .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header[data-open="true"] .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav {
  display: none;
}

.hero,
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--bg-soft);
  background-image: var(--hero-image);
  background-position: center right;
  background-size: cover;
}

.hero {
  display: flex;
  align-items: center;
  height: 76svh;
  min-height: 520px;
  max-height: 760px;
}

.hero::before,
.page-hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.98) 0%, rgba(7, 9, 12, 0.85) 38%, rgba(7, 9, 12, 0.38) 68%, rgba(7, 9, 12, 0.58) 100%),
    linear-gradient(180deg, rgba(7, 9, 12, 0.2), rgba(7, 9, 12, 0.82));
}

.hero::after {
  position: absolute;
  z-index: -1;
  right: 7%;
  bottom: 8%;
  width: 28%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(54, 169, 255, 0.8), var(--orange));
  content: "";
}

.hero-content {
  padding: 74px 0 48px;
}

.hero-content > * {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 0.79rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.25;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--text);
  letter-spacing: 0;
  line-height: 1.02;
}

h1 {
  margin-bottom: 22px;
  font-size: 2.65rem;
  font-weight: 900;
}

.hero h1 {
  font-size: 3rem;
}

h2 {
  margin-bottom: 16px;
  font-size: 2.05rem;
  font-weight: 900;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  font-weight: 850;
}

p {
  color: var(--muted);
}

.hero p,
.page-hero p {
  max-width: 660px;
  color: #d4dce5;
  font-size: 1.12rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  margin-top: 24px;
  gap: 10px 20px;
  color: var(--muted);
  font-weight: 800;
}

.hero-meta span,
.hero-meta a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
}

.hero-meta span::before,
.hero-meta a::before {
  width: 8px;
  height: 8px;
  margin-right: 9px;
  border-radius: 999px;
  background: var(--orange);
  content: "";
}

.trust-bar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #0a0e12;
}

.trust-shell {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(1280px, calc(100% - 32px));
  margin-inline: auto;
}

.trust-shell div {
  min-height: 116px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.trust-shell div:first-child {
  border-left: 1px solid var(--line);
}

.trust-shell strong,
.trust-shell span {
  display: block;
}

.trust-shell strong {
  margin-bottom: 8px;
  color: var(--text);
  font-size: 1rem;
}

.trust-shell span {
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 96px 0;
}

.muted-section {
  background: var(--bg-soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading-center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading p:last-child {
  margin-bottom: 0;
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  position: relative;
  display: grid;
  overflow: hidden;
  min-height: 382px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.service-card:hover {
  border-color: rgba(54, 169, 255, 0.45);
  background: #141b22;
  transform: translateY(-3px);
}

.service-card-image {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #05080b;
}

.service-card-image::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(7, 9, 12, 0.62));
  content: "";
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 240ms ease;
}

.service-card:hover img {
  transform: scale(1.035);
}

.service-card-body {
  display: grid;
  align-content: start;
  padding: 22px;
  gap: 9px;
}

.service-card-group,
.gallery-card small,
.review-label {
  color: var(--orange);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.service-card strong {
  color: var(--text);
  font-size: 1.28rem;
  line-height: 1.1;
}

.service-card span:last-child {
  color: var(--muted);
}

.brands-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.06), transparent 55%),
    #090d11;
}

.brands-section .section-heading {
  max-width: 820px;
}

.brands-section .section-heading h2 {
  color: var(--text);
}

.brands-section .section-heading p:last-child {
  color: var(--muted);
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding: 4px 0 0;
  gap: 14px;
  list-style: none;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 116px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018)),
    #0a0f14;
}

.brand-logo-plate {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
  min-height: 82px;
  padding: 12px 18px;
  border-radius: 6px;
}

.brand-logo-plate img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.brand-mark img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 56px;
  object-fit: contain;
  filter: drop-shadow(0 5px 16px rgba(0, 0, 0, 0.38));
}

.brand-carrier img,
.brand-american-standard img,
.brand-bryant img,
.brand-daikin img,
.brand-ibc img,
.brand-keeprite img,
.brand-lennox img,
.brand-rheem img,
.brand-trane img,
.brand-york img {
  max-height: 72px;
}

.brand-kinghome img {
  max-height: 88px;
}

.brand-kinghome .brand-logo-plate {
  padding-block: 4px;
}

.brand-navien img {
  max-height: 34px;
}

.brand-john-wood img,
.brand-kepler img {
  max-height: 44px;
}

.brand-amana img,
.brand-american-standard img,
.brand-ecobee img,
.brand-kepler img,
.brand-keeprite img {
  filter: brightness(0) invert(1) drop-shadow(0 5px 16px rgba(0, 0, 0, 0.38));
}

.brands-hero {
  min-height: 640px;
}

.brands-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: 44px;
}

.hero-brand-panel {
  position: relative;
  display: grid;
  min-height: 390px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 44%, rgba(54, 169, 255, 0.16), transparent 34%),
    linear-gradient(135deg, rgba(255, 116, 51, 0.08), rgba(54, 169, 255, 0.06)),
    rgba(7, 9, 12, 0.72);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-brand-panel::before,
.hero-brand-panel::after {
  position: absolute;
  inset: 42px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  content: "";
}

.hero-brand-panel::after {
  inset: 92px;
  border-color: rgba(54, 169, 255, 0.2);
}

.brand-orbit {
  position: absolute;
  display: grid;
  width: 146px;
  min-height: 96px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(10, 15, 20, 0.92);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.32);
}

.brand-orbit:nth-child(1) {
  top: 36px;
  left: 50%;
  transform: translateX(-50%);
}

.brand-orbit:nth-child(2) {
  top: 118px;
  right: 34px;
}

.brand-orbit:nth-child(3) {
  right: 72px;
  bottom: 48px;
}

.brand-orbit:nth-child(4) {
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
}

.brand-orbit:nth-child(5) {
  bottom: 72px;
  left: 38px;
}

.brand-orbit:nth-child(6) {
  top: 118px;
  left: 34px;
}

.brand-orbit:nth-child(7) {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.brand-orbit img {
  max-height: 46px;
}

.brand-choice-section,
.brand-priority-section,
.brand-directory-section,
.tier-section,
.technology-section,
.utility-brand-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent),
    var(--bg);
}

.brand-choice-grid,
.cost-efficiency-grid,
.commercial-brand-grid,
.utility-brand-grid,
.installation-message-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.76fr);
  align-items: center;
  gap: 36px;
}

.brand-statement {
  border-left: 3px solid var(--blue);
  padding: 28px 30px;
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.12), transparent),
    rgba(255, 255, 255, 0.03);
}

.brand-statement p {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.15;
}

.priority-grid,
.technology-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.priority-card,
.technology-block,
.brand-process-step,
.tier-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    var(--panel);
}

.priority-card,
.technology-block {
  min-height: 205px;
  padding: 26px;
}

.priority-card h3,
.technology-block h3,
.tier-panel h3,
.brand-process-step h3,
.brand-detail-card h3 {
  margin: 0;
  color: var(--text);
  line-height: 1.15;
}

.priority-card p,
.technology-block p,
.brand-process-step p,
.brand-detail-card p,
.commercial-brand-grid p,
.utility-brand-grid p,
.cost-efficiency-grid p {
  color: var(--muted);
}

.brand-filter-bar {
  justify-content: center;
  margin-bottom: 24px;
}

.brand-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  gap: 16px;
  list-style: none;
}

.brand-detail-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #0a0f14;
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, opacity 180ms ease;
}

.brand-detail-card:hover {
  border-color: rgba(54, 169, 255, 0.42);
  transform: translateY(-3px);
}

.brand-detail-card[hidden] {
  display: none;
}

.brand-detail-logo {
  display: grid;
  min-height: 128px;
  padding: 14px;
  place-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.09), transparent 58%),
    rgba(255, 255, 255, 0.018);
}

.brand-detail-copy {
  display: grid;
  align-content: start;
  padding: 22px;
  gap: 16px;
}

.brand-card-kicker {
  margin: 0 0 7px;
  color: var(--orange);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-card-more {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
}

.brand-card-more summary {
  color: var(--blue);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 900;
}

.brand-card-more ul {
  display: flex;
  flex-wrap: wrap;
  margin: 14px 0 0;
  padding: 0;
  gap: 8px;
  list-style: none;
}

.brand-card-more li {
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: var(--steel);
  font-size: 0.78rem;
  font-weight: 800;
}

.brand-empty {
  margin: 24px 0 0;
  color: var(--muted);
  text-align: center;
}

.tier-grid,
.brand-process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tier-panel {
  padding: 28px;
}

.tier-panel:nth-child(2) {
  border-color: rgba(54, 169, 255, 0.34);
}

.tier-panel:nth-child(3) {
  border-color: rgba(255, 116, 51, 0.34);
}

.cost-efficiency-section {
  border-block: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.08), transparent 44%),
    linear-gradient(270deg, rgba(255, 116, 51, 0.09), transparent 44%),
    #090d11;
}

.efficiency-scale {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 132px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  gap: 16px;
  text-align: center;
}

.efficiency-scale::before,
.efficiency-scale::after {
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  content: "";
}

.efficiency-scale span:first-child {
  grid-column: 1;
  grid-row: 1;
}

.efficiency-scale strong {
  grid-column: 2;
  grid-row: 1;
  padding: 10px 16px;
  border: 1px solid rgba(54, 169, 255, 0.38);
  border-radius: 999px;
  background: rgba(54, 169, 255, 0.12);
  color: var(--text);
}

.efficiency-scale span:last-child {
  grid-column: 3;
  grid-row: 1;
}

.efficiency-scale span {
  color: var(--steel);
  font-size: 0.9rem;
  font-weight: 900;
}

.brand-process-step {
  min-height: 205px;
  padding: 26px;
}

.brand-process-step span {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--blue);
  font-size: 0.84rem;
  font-weight: 900;
}

.installation-message {
  padding: 92px 0;
  border-block: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 116, 51, 0.16), transparent 36%),
    radial-gradient(circle at 86% 76%, rgba(54, 169, 255, 0.14), transparent 35%),
    #080b0f;
}

.installation-message h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.98;
}

.installation-message p {
  max-width: 670px;
  color: var(--steel);
  font-size: 1.12rem;
}

.installation-checks,
.commercial-equipment-list {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 10px;
  list-style: none;
}

.installation-checks {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.installation-checks li,
.commercial-equipment-list li {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--steel);
  font-weight: 800;
}

.commercial-brand-section {
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.045), transparent),
    var(--bg-soft);
}

.commercial-equipment-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.utility-brand-grid {
  align-items: stretch;
}

.utility-brand-grid > article {
  display: grid;
  align-content: start;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  gap: 14px;
}

.brand-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 8px 0 0;
  padding: 0;
  gap: 10px;
  list-style: none;
}

.brand-strip-card {
  display: grid;
  min-height: 94px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(10, 15, 20, 0.78);
}

.brand-strip-card img {
  max-height: 44px;
}

.split-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent),
    #0a0e12;
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.split-panel {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.split-panel img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.split-panel > div {
  padding: 32px;
}

.split-panel-warm .eyebrow {
  color: var(--orange);
}

.check-list {
  display: grid;
  margin: 24px 0;
  padding: 0;
  gap: 12px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 27px;
  color: var(--steel);
}

.check-list li::before {
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 13px;
  height: 2px;
  background: var(--blue);
  content: "";
}

.columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-section {
  background: var(--bg);
}

.gallery-shell {
  display: grid;
  gap: 24px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-bar button {
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 800;
}

.filter-bar button.active,
.filter-bar button:hover {
  border-color: rgba(54, 169, 255, 0.46);
  background: rgba(54, 169, 255, 0.14);
  color: var(--text);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.gallery-card {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #05080b;
  cursor: zoom-in;
  text-align: left;
}

.gallery-card[hidden] {
  display: none;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  transition: transform 240ms ease;
}

.home-gallery-section .gallery-card {
  aspect-ratio: 700 / 520;
  min-height: 0;
}

.home-gallery-section .gallery-card img {
  min-height: 0;
}

.gallery-card:hover img {
  transform: scale(1.035);
}

.gallery-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.88));
  content: "";
}

.gallery-card span {
  position: absolute;
  z-index: 1;
  right: 18px;
  bottom: 17px;
  left: 18px;
}

.gallery-card small {
  display: block;
}

.section-action {
  margin-top: 28px;
}

.work-marquee {
  position: relative;
  overflow: hidden;
  padding: 14px 0;
}

.work-marquee::before,
.work-marquee::after {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  width: min(12vw, 120px);
  content: "";
  pointer-events: none;
}

.work-marquee::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}

.work-marquee::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg), transparent);
}

.marquee-viewport {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: work-marquee-scroll var(--scroll-duration, 36s) linear infinite;
  will-change: transform;
}

.work-marquee .marquee-track {
  animation: none;
}

.work-marquee.is-dragging .marquee-viewport {
  cursor: grabbing;
}

.work-marquee.is-dragging .marquee-track {
  animation-play-state: paused;
}

.work-marquee.is-dragging .marquee-card {
  cursor: grabbing;
}

.marquee-group {
  display: flex;
  flex: 0 0 auto;
  gap: 18px;
  padding-right: 18px;
}

.marquee-card {
  position: relative;
  width: clamp(270px, 30vw, 430px);
  aspect-ratio: 4 / 5;
  flex: 0 0 auto;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #05070a;
  cursor: zoom-in;
  text-align: left;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.28);
}

.marquee-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgba(0, 0, 0, 0.88));
  content: "";
  pointer-events: none;
}

.marquee-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
  -webkit-user-drag: none;
  user-select: none;
}

.marquee-card:hover img {
  transform: scale(1.035);
}

.marquee-caption {
  position: absolute;
  z-index: 1;
  right: 18px;
  bottom: 16px;
  left: 18px;
}

.marquee-caption small {
  display: block;
}

.marquee-caption small {
  color: var(--orange);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

@keyframes work-marquee-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.why-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.05), transparent 42%),
    var(--bg-soft);
}

.why-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 52px;
}

.why-intro {
  position: sticky;
  top: 104px;
  align-self: start;
}

.why-list,
.standalone-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.why-card,
.process-card,
.review-card,
.service-aside,
.about-card,
.contact-info,
.form-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.why-card {
  padding: 24px;
}

.why-card p {
  margin-bottom: 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.process-card {
  padding: 22px;
  background: var(--panel);
}

.process-card span {
  display: block;
  margin-bottom: 26px;
  color: var(--orange);
  font-size: 0.86rem;
  font-weight: 900;
}

.process-card p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.reviews-section {
  background: #090d11;
}

.google-reviews-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-bottom: 16px;
  padding: 28px;
  border: 1px solid rgba(54, 169, 255, 0.22);
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.13), transparent 58%),
    var(--panel);
}

.google-reviews-panel h3 {
  margin-bottom: 10px;
  font-size: 1.65rem;
}

.google-reviews-panel p:last-child {
  margin-bottom: 0;
}

.google-reviews-actions {
  justify-content: flex-end;
}

.review-marquee {
  position: relative;
  overflow: hidden;
  padding: 6px 0;
}

.review-marquee::before,
.review-marquee::after {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  width: min(10vw, 110px);
  content: "";
  pointer-events: none;
}

.review-marquee::before {
  left: 0;
  background: linear-gradient(90deg, #090d11, transparent);
}

.review-marquee::after {
  right: 0;
  background: linear-gradient(270deg, #090d11, transparent);
}

.review-marquee:hover .marquee-track,
.review-marquee:focus-within .marquee-track {
  animation-play-state: paused;
}

.review-marquee .marquee-group {
  align-items: flex-start;
}

.review-slide-card {
  display: grid;
  align-content: start;
  width: clamp(330px, 36vw, 470px);
  min-height: 360px;
  flex: 0 0 auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent),
    var(--panel);
  color: var(--muted);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
  transition: transform 160ms ease, border-color 160ms ease, color 160ms ease;
}

.review-slide-card:hover {
  border-color: rgba(54, 169, 255, 0.46);
  color: var(--steel);
  transform: translateY(-2px);
}

.review-source {
  margin-bottom: 10px;
  color: var(--orange);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.review-slide-card strong {
  margin-bottom: 5px;
  color: var(--text);
  font-size: 1.18rem;
  line-height: 1.12;
}

.review-rating-row {
  display: flex;
  align-items: center;
  margin: 16px 0 15px;
}

.review-stars {
  color: #ffb238;
  font-size: 1rem;
  letter-spacing: 0;
  line-height: 1;
}

.review-slide-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.54;
}

.review-slide-card em {
  margin-top: 22px;
  color: var(--blue);
  font-style: normal;
  font-weight: 900;
}

.review-card {
  padding: 24px;
  background: var(--panel);
}

.review-card h3 {
  margin-bottom: 12px;
}

.review-card p:last-child {
  margin-bottom: 0;
}

.reviews-hero {
  background-position: center;
}

.reviews-profile-section {
  padding: 48px 0 78px;
  background: #090d11;
}

.reviews-profile-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 26px;
  border: 1px solid rgba(54, 169, 255, 0.22);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.13), transparent 42%),
    linear-gradient(135deg, rgba(255, 116, 51, 0.07), transparent 70%),
    var(--panel);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.24);
}

.google-profile-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 900;
}

.reviews-profile-panel h2 {
  margin-bottom: 8px;
  font-size: 1.85rem;
}

.reviews-profile-panel p:last-child {
  margin-bottom: 0;
}

.reviews-grid-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent 28%),
    var(--bg);
}

.reviews-page-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.reviews-page-card {
  display: flex;
  min-width: 0;
  min-height: 360px;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.042), transparent),
    var(--panel);
  color: var(--muted);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.22);
}

.reviews-page-card-top {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 13px;
  align-items: center;
  margin-bottom: 16px;
}

.review-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(54, 169, 255, 0.24);
  border-radius: 50%;
  background: rgba(54, 169, 255, 0.1);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 900;
}

.reviews-page-card h3 {
  overflow-wrap: anywhere;
  margin-bottom: 0;
  font-size: 1.06rem;
}

.review-page-stars {
  display: inline-flex;
  margin-bottom: 16px;
  color: #ffb238;
  font-size: 1rem;
  letter-spacing: 0;
  line-height: 1;
}

.review-page-copy {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 0.94rem;
}

.review-page-copy p {
  margin-bottom: 12px;
}

.review-page-copy p:last-child {
  margin-bottom: 0;
}

details.review-page-copy summary {
  display: grid;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

details.review-page-copy summary::-webkit-details-marker {
  display: none;
}

details.review-page-copy summary strong {
  color: var(--blue);
  font-size: 0.9rem;
  line-height: 1;
}

details.review-page-copy[open] summary span {
  display: none;
}

.review-page-full {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.review-google-link {
  display: inline-flex;
  align-items: center;
  width: max-content;
  margin-top: auto;
  color: var(--blue);
  font-weight: 900;
}

.review-google-link:hover {
  color: #62bdff;
}

.featured-reviews-section {
  background: #090d11;
}

.featured-review-grid {
  display: grid;
  gap: 18px;
}

.featured-review-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.09), transparent 44%),
    var(--panel);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.24);
}

.featured-review-photo,
.reviews-work-card {
  position: relative;
  display: grid;
  overflow: hidden;
  padding: 0;
  border: 0;
  background: #05080b;
  cursor: pointer;
  text-align: left;
}

.featured-review-photo img,
.reviews-work-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.featured-review-photo:hover img,
.reviews-work-card:hover img {
  transform: scale(1.035);
}

.featured-review-photo::after,
.reviews-work-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 36%, rgba(7, 9, 12, 0.82));
  content: "";
}

.featured-review-photo span,
.reviews-work-card span,
.reviews-work-card strong {
  position: absolute;
  z-index: 1;
  left: 18px;
}

.featured-review-photo span,
.reviews-work-card span {
  bottom: 48px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.reviews-work-card strong {
  right: 18px;
  bottom: 18px;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.05;
}

.featured-review-copy {
  padding: 28px;
}

.featured-review-copy h3 {
  font-size: 1.45rem;
}

.featured-review-copy blockquote {
  margin: 18px 0 22px;
  padding: 0;
}

.featured-review-copy blockquote p {
  margin-bottom: 13px;
  color: #cfd7e0;
}

.review-themes-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.055), transparent 44%),
    var(--bg-soft);
}

.review-theme-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.review-theme-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent),
    var(--panel);
}

.review-theme-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border: 1px solid rgba(54, 169, 255, 0.25);
  border-radius: 8px;
  background: rgba(54, 169, 255, 0.1);
  color: var(--blue);
}

.review-theme-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.review-theme-card p:last-child {
  margin-bottom: 0;
}

.review-quote-strip {
  overflow: hidden;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.12), transparent 48%, rgba(255, 116, 51, 0.1)),
    #080c10;
}

.review-quote-track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
  gap: 10px;
}

.review-quote-track span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--steel);
  font-size: 0.92rem;
  font-weight: 850;
}

.reviews-work-section {
  background: var(--bg);
}

.reviews-work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.reviews-work-card {
  min-height: 270px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.service-area {
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.04), transparent),
    var(--bg);
}

.service-area-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 42px;
  align-items: center;
}

.area-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.area-cloud a {
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--steel);
  font-weight: 800;
}

.area-cloud a:hover {
  border-color: rgba(54, 169, 255, 0.5);
  color: var(--text);
}

.final-cta {
  padding: 58px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.16), transparent 55%),
    linear-gradient(270deg, rgba(255, 116, 51, 0.14), transparent 58%),
    #0d1116;
}

.final-cta-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.final-cta h2 {
  max-width: 650px;
}

.final-cta p:last-child {
  max-width: 620px;
  margin-bottom: 0;
}

.page-hero {
  display: grid;
  align-items: end;
  min-height: 430px;
  padding: 110px 0 62px;
}

.page-hero h1 {
  max-width: 850px;
}

.compact-hero {
  min-height: 430px;
}

.service-hero,
.commercial-hero {
  min-height: 520px;
}

.commercial-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.95) 0%, rgba(7, 9, 12, 0.76) 44%, rgba(7, 9, 12, 0.38) 78%, rgba(7, 9, 12, 0.72) 100%),
    linear-gradient(180deg, rgba(7, 9, 12, 0.12), rgba(7, 9, 12, 0.78));
}

.commercial-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  color: var(--steel);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.commercial-hero-points span {
  padding: 8px 10px;
  border: 1px solid rgba(54, 169, 255, 0.22);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.035);
}

.commercial-page-section {
  position: relative;
}

.commercial-page-section h2 {
  max-width: 820px;
}

.commercial-page-intro-grid,
.commercial-page-feature-grid,
.commercial-page-photo-grid,
.commercial-page-split,
.commercial-page-air-grid,
.commercial-page-coordination,
.commercial-page-service-grid,
.commercial-page-building-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 34px;
  align-items: center;
}

.commercial-page-feature-grid {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  align-items: stretch;
}

.commercial-page-feature-grid > * {
  min-width: 0;
}

.commercial-page-card-grid,
.commercial-page-capability-grid,
.commercial-page-system-grid,
.commercial-page-review-grid,
.commercial-page-why-grid,
.commercial-page-mini-grid,
.commercial-pressure-grid,
.commercial-page-three-panel {
  display: grid;
  gap: 14px;
}

.commercial-page-capability-grid,
.commercial-page-system-grid,
.commercial-page-review-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.commercial-page-why-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.commercial-page-mini-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.commercial-pressure-grid,
.commercial-page-three-panel {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.commercial-page-card,
.commercial-page-panel,
.commercial-pressure-grid article,
.commercial-page-three-panel article {
  min-width: 0;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.095);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018)),
    rgba(15, 21, 27, 0.92);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
}

.commercial-page-card {
  display: grid;
  gap: 10px;
}

.commercial-page-card h3,
.commercial-page-panel h3,
.commercial-pressure-grid h3,
.commercial-page-three-panel h2,
.commercial-page-three-panel h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.commercial-page-card p,
.commercial-page-panel p,
.commercial-pressure-grid p,
.commercial-page-three-panel p {
  margin: 0;
  color: var(--steel);
}

.commercial-page-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--blue);
  border: 1px solid rgba(54, 169, 255, 0.42);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.2), rgba(54, 169, 255, 0.05)),
    rgba(54, 169, 255, 0.08);
}

.commercial-page-icon svg {
  width: 22px;
  height: 22px;
}

.commercial-page-statement,
.commercial-page-section blockquote {
  margin: 22px 0 0;
  padding: 20px 22px;
  border-left: 3px solid var(--blue);
  border-radius: 0 8px 8px 0;
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.14), rgba(255, 255, 255, 0.025)),
    rgba(255, 255, 255, 0.03);
  color: var(--white);
  font-weight: 900;
}

.commercial-page-panel-blue {
  border-color: rgba(54, 169, 255, 0.26);
  background:
    linear-gradient(145deg, rgba(54, 169, 255, 0.12), rgba(255, 255, 255, 0.018)),
    rgba(12, 21, 30, 0.92);
}

.commercial-page-panel-orange {
  border-color: rgba(255, 119, 54, 0.28);
  background:
    linear-gradient(145deg, rgba(255, 119, 54, 0.12), rgba(255, 255, 255, 0.018)),
    rgba(24, 18, 16, 0.94);
}

.commercial-page-panel-orange .commercial-page-pill-list li::before {
  background: var(--orange);
}

.commercial-page-pill-list,
.commercial-page-compact-list {
  display: grid;
  margin: 20px 0 0;
  padding: 0;
  gap: 10px;
  list-style: none;
}

.commercial-page-pill-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.commercial-page-compact-list {
  grid-template-columns: 1fr;
}

.commercial-page-pill-list li,
.commercial-page-compact-list li {
  position: relative;
  min-width: 0;
  padding: 11px 12px 11px 28px;
  border: 1px solid rgba(255, 255, 255, 0.085);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.026);
  color: var(--steel);
  font-weight: 800;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.commercial-page-pill-list li::before,
.commercial-page-compact-list li::before {
  position: absolute;
  top: 17px;
  left: 13px;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
}

.commercial-page-photo {
  position: relative;
  min-width: 0;
  height: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.105);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.32);
}

.commercial-page-photo img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.commercial-page-photo::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(5, 7, 10, 0.76));
  content: "";
  pointer-events: none;
}

.commercial-page-photo figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 1;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 900;
}

.commercial-page-photo-grid {
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
}

.commercial-page-photo-grid-reverse {
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.02fr);
}

.commercial-page-flow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  padding: 16px;
  border: 1px solid rgba(54, 169, 255, 0.2);
  border-radius: 10px;
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.08), rgba(255, 255, 255, 0.018)),
    rgba(7, 11, 15, 0.72);
}

.commercial-page-flow span {
  flex: 1 1 0;
  min-width: 0;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.095);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--white);
  font-size: 0.86rem;
  font-weight: 900;
  text-align: center;
  overflow-wrap: anywhere;
}

.commercial-page-flow i {
  flex: 0 0 24px;
  height: 1px;
  background: var(--blue);
}

.commercial-page-flow i::after {
  display: block;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 auto;
  border-top: 2px solid var(--blue);
  border-right: 2px solid var(--blue);
  transform: rotate(45deg);
  content: "";
}

.commercial-pressure-grid {
  margin-top: 28px;
}

.commercial-pressure-grid article {
  display: grid;
  gap: 10px;
  text-align: center;
}

.commercial-page-coordination {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
}

.commercial-coordination-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
  padding: 24px;
  border: 1px solid rgba(54, 169, 255, 0.18);
  border-radius: 10px;
  background:
    radial-gradient(circle at 50% 50%, rgba(54, 169, 255, 0.12), transparent 42%),
    rgba(14, 20, 26, 0.92);
}

.commercial-coordination-map strong {
  grid-column: 1 / -1;
  justify-self: center;
  padding: 14px 22px;
  border: 1px solid rgba(54, 169, 255, 0.34);
  border-radius: 8px;
  background: rgba(54, 169, 255, 0.12);
  color: var(--white);
  font-size: 1.15rem;
}

.commercial-coordination-map span {
  display: grid;
  min-width: 0;
  justify-items: center;
  gap: 8px;
  padding: 14px 10px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--steel);
  font-weight: 900;
  text-align: center;
}

.commercial-page-service-grid {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.3fr) minmax(0, 0.85fr);
  align-items: stretch;
}

.commercial-page-service-grid > article {
  min-width: 0;
}

.commercial-page-mini-grid .commercial-page-card {
  padding: 14px;
}

.commercial-page-mini-grid .commercial-page-card p {
  display: none;
}

.commercial-page-mini-grid .commercial-page-icon {
  width: 34px;
  height: 34px;
}

.commercial-page-mini-grid .commercial-page-icon svg {
  width: 18px;
  height: 18px;
}

.commercial-process {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
}

.commercial-process article {
  min-width: 0;
  padding: 22px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.commercial-process article:last-child {
  border-right: 0;
}

.commercial-process span {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 1000;
}

.commercial-process h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.commercial-process p {
  margin: 0;
  color: var(--steel);
  font-size: 0.92rem;
}

.commercial-project-link {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

.commercial-final-cta .button-row {
  justify-content: flex-end;
}

@media (max-width: 1120px) {
  .commercial-page-capability-grid,
  .commercial-page-system-grid,
  .commercial-page-review-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .commercial-process {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .commercial-process article:nth-child(3n) {
    border-right: 0;
  }
}

@media (max-width: 920px) {
  .commercial-page-intro-grid,
  .commercial-page-feature-grid,
  .commercial-page-photo-grid,
  .commercial-page-photo-grid-reverse,
  .commercial-page-split,
  .commercial-page-air-grid,
  .commercial-page-coordination,
  .commercial-page-service-grid,
  .commercial-page-building-grid {
    grid-template-columns: 1fr;
  }

  .commercial-page-why-grid,
  .commercial-pressure-grid,
  .commercial-page-three-panel {
    grid-template-columns: 1fr;
  }

  .commercial-page-service-grid {
    align-items: start;
  }

  .commercial-coordination-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .commercial-page-photo img {
    min-height: 320px;
  }

  .commercial-final-cta .button-row {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  .commercial-hero {
    background-position: 58% center;
  }

  .commercial-page-card,
  .commercial-page-panel,
  .commercial-pressure-grid article,
  .commercial-page-three-panel article {
    padding: 18px;
  }

  .commercial-page-capability-grid,
  .commercial-page-system-grid,
  .commercial-page-review-grid,
  .commercial-page-mini-grid,
  .commercial-page-pill-list,
  .commercial-page-compact-list {
    grid-template-columns: 1fr;
  }

  .commercial-page-flow {
    display: grid;
    gap: 10px;
  }

  .commercial-page-flow span {
    width: 100%;
  }

  .commercial-page-flow i {
    width: 1px;
    height: 22px;
    justify-self: center;
  }

  .commercial-page-flow i::after {
    margin: auto 0 0 -4px;
    transform: rotate(135deg);
  }

  .commercial-coordination-map {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .commercial-process {
    grid-template-columns: 1fr;
  }

  .commercial-process article,
  .commercial-process article:nth-child(3n) {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .commercial-process article:last-child {
    border-bottom: 0;
  }

  .commercial-page-photo img {
    min-height: 260px;
  }
}

.text-hero {
  background: var(--bg-soft);
}

.text-hero::before {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.1), transparent),
    var(--bg-soft);
}

.service-detail-grid,
.commercial-grid,
.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 40px;
  align-items: start;
}

.detail-copy {
  max-width: 780px;
}

.detail-copy p {
  font-size: 1.06rem;
}

.service-resource-links {
  margin-top: 16px;
  color: var(--muted);
}

.service-resource-links a {
  color: var(--blue);
  font-weight: 900;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.service-resource-links span {
  display: inline-block;
  margin: 0 8px;
  color: var(--muted-2);
}

.wide-copy {
  max-width: 920px;
}

.service-aside {
  position: sticky;
  top: 104px;
  display: grid;
  padding: 26px;
  gap: 14px;
  background: var(--panel);
}

.service-aside h2,
.contact-info h2,
.form-panel h2,
.about-card h2 {
  font-size: 1.35rem;
}

.service-aside ul {
  display: grid;
  margin: 0 0 8px;
  padding-left: 20px;
  color: var(--steel);
  gap: 8px;
}

.standards-section {
  padding: 46px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #0d1116;
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: 28px;
}

.standard-card {
  display: grid;
  grid-template-rows: 124px auto 1fr;
  justify-items: center;
  align-items: start;
  gap: 14px;
  padding: 0 18px;
  text-align: center;
}

.standard-logo {
  display: grid;
  width: min(100%, 260px);
  height: 124px;
  align-self: center;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.standard-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.standard-logo-csa {
  width: min(100%, 282px);
  height: 112px;
}

.standard-logo-tssa {
  width: 122px;
  height: 122px;
}

.standard-logo-hrai {
  width: 174px;
  height: 136px;
}

.standard-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.08rem;
}

.standard-card p {
  max-width: 310px;
  margin: 0;
  color: var(--steel);
  font-size: 1rem;
}

.heating-section {
  padding: 82px 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent),
    var(--bg);
}

.heating-warning-section,
.heating-equipment-section {
  background:
    radial-gradient(circle at 12% 12%, rgba(54, 169, 255, 0.08), transparent 34%),
    var(--bg);
}

.heating-warning-grid,
.heating-installation-grid,
.heating-maintenance-grid {
  display: grid;
  gap: 16px;
}

.heating-warning-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.heating-card,
.heating-decision-panel,
.heating-install-card,
.heating-maintenance-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #0b1117;
}

.heating-card,
.heating-install-card {
  display: grid;
  align-content: start;
  min-height: 176px;
  padding: 22px;
  gap: 12px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.heating-card:hover,
.heating-install-card:hover {
  border-color: rgba(54, 169, 255, 0.44);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.075), rgba(255, 255, 255, 0.012)),
    #0b1117;
  transform: translateY(-2px);
}

.heating-icon,
.heating-info-icon {
  display: inline-grid;
  place-items: center;
  color: var(--blue);
}

.heating-icon {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(54, 169, 255, 0.24);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.16), transparent 65%),
    rgba(54, 169, 255, 0.055);
}

.heating-icon svg {
  width: 22px;
  height: 22px;
}

.heating-icon svg,
.heating-info-icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.heating-card h3,
.heating-decision-panel h3,
.heating-install-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.18;
}

.heating-card p,
.heating-install-card p {
  margin: 0;
  color: var(--muted);
}

.heating-info-section {
  padding: 0;
  border-top: 1px solid rgba(54, 169, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.08), transparent 42%),
    linear-gradient(270deg, rgba(151, 34, 34, 0.1), transparent 46%),
    #080c10;
}

.heating-info-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
}

.heating-info-item {
  display: flex;
  align-items: center;
  min-height: 86px;
  padding: 18px 20px;
  gap: 12px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.015em;
  text-transform: uppercase;
}

.heating-info-item:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.heating-info-icon {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
}

.heating-info-icon svg {
  width: 21px;
  height: 21px;
}

.heating-decision-section {
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.035), transparent 48%),
    var(--bg-soft);
}

.heating-decision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.heating-decision-panel {
  position: relative;
  overflow: hidden;
  padding: 28px;
}

.heating-decision-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), rgba(54, 169, 255, 0.08));
  content: "";
}

.heating-decision-panel-warm::before {
  background: linear-gradient(90deg, rgba(151, 34, 34, 0.9), rgba(255, 116, 51, 0.14));
}

.heating-panel-label {
  display: block;
  margin-bottom: 22px;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1.15;
}

.heating-decision-panel ul {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 11px;
  list-style: none;
}

.heating-decision-panel li {
  position: relative;
  padding-left: 25px;
  color: var(--steel);
  line-height: 1.45;
}

.heating-decision-panel li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 12px;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
}

.heating-decision-panel-warm li::before {
  background: var(--orange);
}

.heating-equipment-layout,
.heating-maintenance-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.58fr) minmax(0, 1fr);
  align-items: start;
  gap: 34px;
}

.heating-equipment-copy {
  position: sticky;
  top: 104px;
}

.heating-equipment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.heating-option-card {
  min-height: 205px;
}

.heating-equipment-grid .heating-option-card:nth-child(5) {
  grid-column: 1 / -1;
  min-height: 158px;
}

.heating-installation-section {
  padding: 82px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.13), transparent 34%),
    #080b0f;
}

.heating-installation-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.heating-install-card {
  min-height: 188px;
}

.heating-maintenance-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.06), transparent 48%),
    #090d11;
}

.heating-maintenance-layout {
  align-items: center;
}

.heating-maintenance-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.heating-maintenance-card {
  display: flex;
  align-items: center;
  min-height: 66px;
  padding: 14px 16px;
  gap: 11px;
}

.heating-maintenance-card span {
  display: grid;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.44);
  border-radius: 50%;
  background: rgba(54, 169, 255, 0.08);
}

.heating-maintenance-card span::before {
  width: 7px;
  height: 4px;
  border-bottom: 2px solid var(--blue);
  border-left: 2px solid var(--blue);
  content: "";
  transform: rotate(-45deg) translate(1px, -1px);
}

.heating-maintenance-card strong {
  color: var(--steel);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.18;
  text-transform: uppercase;
}

.cooling-section {
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.035), transparent 46%),
    var(--bg);
}

.cooling-warning-grid,
.cooling-installation-grid,
.cooling-performance-grid,
.cooling-maintenance-grid {
  display: grid;
  gap: 16px;
}

.cooling-warning-grid,
.cooling-installation-grid,
.cooling-performance-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cooling-card,
.cooling-decision-panel,
.cooling-install-card,
.cooling-performance-item,
.cooling-maintenance-card,
.cooling-refrigerant-panel,
.cooling-component,
.cooling-component-center {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #0a1016;
}

.cooling-card,
.cooling-install-card {
  display: grid;
  align-content: start;
  min-height: 178px;
  padding: 22px;
  gap: 12px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.cooling-card:hover,
.cooling-install-card:hover,
.cooling-performance-item:hover {
  border-color: rgba(54, 169, 255, 0.48);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.08), rgba(255, 255, 255, 0.012)),
    #0a1016;
  transform: translateY(-2px);
}

.cooling-icon {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.26);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.16), transparent 65%),
    rgba(54, 169, 255, 0.055);
  color: var(--blue);
}

.cooling-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cooling-card h3,
.cooling-decision-panel h3,
.cooling-install-card h3,
.cooling-performance-item h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.18;
}

.cooling-card p,
.cooling-install-card p,
.cooling-performance-item p {
  margin: 0;
  color: var(--muted);
}

.cooling-decision-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.06), transparent 46%),
    var(--bg-soft);
}

.cooling-decision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.cooling-decision-panel {
  position: relative;
  overflow: hidden;
  padding: 28px;
}

.cooling-decision-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), rgba(54, 169, 255, 0.08));
  content: "";
}

.cooling-decision-panel-replace::before {
  background: linear-gradient(90deg, rgba(151, 34, 34, 0.9), rgba(255, 116, 51, 0.14));
}

.cooling-panel-label {
  display: block;
  margin-bottom: 22px;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1.15;
}

.cooling-decision-panel ul {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 11px;
  list-style: none;
}

.cooling-decision-panel li {
  position: relative;
  padding-left: 25px;
  color: var(--steel);
  line-height: 1.45;
}

.cooling-decision-panel li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 12px;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
}

.cooling-decision-panel-replace li::before {
  background: var(--orange);
}

.cooling-system-section {
  border-top: 1px solid rgba(54, 169, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 72% 12%, rgba(54, 169, 255, 0.13), transparent 34%),
    #080c10;
}

.cooling-system-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.62fr) minmax(0, 1fr);
  align-items: center;
  gap: 42px;
}

.cooling-system-copy p {
  color: var(--steel);
}

.cooling-component-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 18px;
  gap: 12px;
  border: 1px solid rgba(54, 169, 255, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    rgba(7, 11, 15, 0.72);
  background-size: 34px 34px;
}

.cooling-component-map::before {
  position: absolute;
  inset: 28px;
  border: 1px solid rgba(54, 169, 255, 0.16);
  border-radius: 8px;
  content: "";
  pointer-events: none;
}

.cooling-component-center {
  position: relative;
  z-index: 1;
  display: grid;
  grid-column: 1 / -1;
  min-height: 92px;
  place-items: center;
  padding: 18px;
  text-align: center;
}

.cooling-component-center strong {
  color: var(--text);
  font-size: 1.28rem;
}

.cooling-component-center span {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.cooling-component {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-height: 74px;
  padding: 12px;
  gap: 10px;
}

.cooling-component .cooling-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}

.cooling-component .cooling-icon svg {
  width: 18px;
  height: 18px;
}

.cooling-component strong {
  color: var(--steel);
  font-size: 0.86rem;
  line-height: 1.2;
}

.cooling-equipment-layout,
.cooling-maintenance-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.58fr) minmax(0, 1fr);
  align-items: start;
  gap: 34px;
}

.cooling-equipment-copy {
  position: sticky;
  top: 104px;
}

.cooling-equipment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.cooling-option-card {
  min-height: 214px;
}

.cooling-equipment-grid .cooling-option-card:nth-child(5) {
  grid-column: 1 / -1;
  min-height: 158px;
}

.cooling-installation-section {
  padding: 82px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.14), transparent 34%),
    #080b0f;
}

.cooling-install-card {
  min-height: 188px;
}

.cooling-performance-section {
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.04), transparent 52%),
    #090d11;
}

.cooling-performance-item {
  display: flex;
  align-items: flex-start;
  min-height: 126px;
  padding: 20px;
  gap: 14px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.cooling-performance-item .cooling-icon {
  flex: 0 0 40px;
}

.cooling-diagnostics-section {
  background: var(--bg-soft);
}

.cooling-diagnostics-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.62fr) minmax(0, 1fr);
  align-items: start;
  gap: 34px;
}

.cooling-problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.cooling-problem-list span {
  min-height: 44px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: rgba(7, 11, 15, 0.74);
  color: var(--steel);
  font-weight: 800;
}

.cooling-refrigerant-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.08), transparent 48%),
    #070b0f;
}

.cooling-refrigerant-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
  align-items: center;
  padding: 32px;
  gap: 28px;
}

.cooling-refrigerant-panel h2 {
  margin-bottom: 14px;
}

.cooling-refrigerant-panel p {
  margin-bottom: 0;
  color: var(--steel);
}

.cooling-refrigerant-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.cooling-refrigerant-checks div,
.cooling-maintenance-card {
  display: flex;
  align-items: center;
  min-height: 62px;
  padding: 14px 16px;
  gap: 11px;
}

.cooling-refrigerant-checks div {
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.cooling-refrigerant-checks span,
.cooling-maintenance-card span {
  display: grid;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.44);
  border-radius: 50%;
  background: rgba(54, 169, 255, 0.08);
}

.cooling-refrigerant-checks span::before,
.cooling-maintenance-card span::before {
  width: 7px;
  height: 4px;
  border-bottom: 2px solid var(--blue);
  border-left: 2px solid var(--blue);
  content: "";
  transform: rotate(-45deg) translate(1px, -1px);
}

.cooling-refrigerant-checks strong,
.cooling-maintenance-card strong {
  color: var(--steel);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.18;
  text-transform: uppercase;
}

.cooling-maintenance-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.06), transparent 48%),
    #090d11;
}

.cooling-maintenance-layout {
  align-items: center;
}

.cooling-maintenance-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cooling-maintenance-card {
  min-height: 66px;
}

.heat-pump-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.045), transparent 48%),
    linear-gradient(270deg, rgba(151, 34, 34, 0.06), transparent 52%),
    var(--bg);
}

.heat-pump-basics-grid,
.heat-pump-winter-grid,
.heat-pump-hybrid-grid,
.heat-pump-system-grid,
.heat-pump-efficiency-grid,
.heat-pump-defrost-grid,
.heat-pump-diagnostics-grid,
.heat-pump-selection-layout,
.heat-pump-maintenance-layout {
  display: grid;
  align-items: start;
  gap: 34px;
}

.heat-pump-basics-grid,
.heat-pump-winter-grid,
.heat-pump-hybrid-grid,
.heat-pump-system-grid,
.heat-pump-efficiency-grid,
.heat-pump-defrost-grid,
.heat-pump-diagnostics-grid {
  grid-template-columns: minmax(280px, 0.62fr) minmax(0, 1fr);
}

.heat-pump-selection-layout,
.heat-pump-maintenance-layout {
  grid-template-columns: minmax(280px, 0.58fr) minmax(0, 1fr);
}

.heat-pump-sticky-copy {
  position: sticky;
  top: 104px;
}

.heat-pump-icon {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.26);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.16), transparent 65%),
    rgba(54, 169, 255, 0.055);
  color: var(--blue);
}

.heat-pump-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.heat-pump-card,
.heat-pump-install-card,
.heat-pump-mode-card,
.heat-pump-winter-panel,
.heat-pump-factor-list div,
.heat-pump-hybrid-flow,
.heat-pump-hybrid-flow > div,
.heat-pump-system-map div,
.heat-pump-indicators div,
.heat-pump-defrost-list div,
.heat-pump-comparison-card,
.heat-pump-problem-list span,
.heat-pump-maintenance-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #0a1016;
}

.heat-pump-card,
.heat-pump-install-card {
  display: grid;
  align-content: start;
  min-height: 182px;
  padding: 22px;
  gap: 12px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.heat-pump-card:hover,
.heat-pump-install-card:hover {
  border-color: rgba(54, 169, 255, 0.48);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.08), rgba(255, 255, 255, 0.012)),
    #0a1016;
  transform: translateY(-2px);
}

.heat-pump-card h3,
.heat-pump-install-card h3,
.heat-pump-mode-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.18;
}

.heat-pump-card p,
.heat-pump-install-card p {
  margin: 0;
  color: var(--muted);
}

.heat-pump-callout {
  display: inline-flex;
  align-items: center;
  margin-top: 6px;
  padding: 12px 14px;
  border: 1px solid rgba(54, 169, 255, 0.28);
  border-radius: 8px;
  background: rgba(54, 169, 255, 0.08);
  color: var(--text);
  font-weight: 900;
}

.heat-pump-mode-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.heat-pump-mode-card {
  display: grid;
  min-height: 220px;
  align-content: center;
  padding: 26px;
  gap: 14px;
}

.heat-pump-mode-card strong {
  color: var(--text);
  font-size: 1.1rem;
}

.heat-pump-mode-heating .heat-pump-icon,
.heat-pump-hybrid-furnace .heat-pump-icon,
.heat-pump-comparison-card-warm .heat-pump-icon {
  border-color: rgba(255, 116, 51, 0.28);
  background:
    radial-gradient(circle at 50% 0, rgba(151, 34, 34, 0.22), transparent 65%),
    rgba(151, 34, 34, 0.09);
  color: var(--orange);
}

.heat-pump-winter-section,
.heat-pump-system-section,
.heat-pump-diagnostics-section {
  background: var(--bg-soft);
}

.heat-pump-winter-panel {
  padding: 30px;
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.08), rgba(151, 34, 34, 0.04)),
    #0a1016;
}

.heat-pump-winter-panel p {
  color: var(--steel);
}

.heat-pump-factor-list,
.heat-pump-defrost-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.heat-pump-factor-list div,
.heat-pump-defrost-list div {
  display: flex;
  align-items: center;
  min-height: 76px;
  padding: 14px;
  gap: 12px;
}

.heat-pump-factor-list .heat-pump-icon,
.heat-pump-defrost-list .heat-pump-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}

.heat-pump-factor-list .heat-pump-icon svg,
.heat-pump-defrost-list .heat-pump-icon svg {
  width: 18px;
  height: 18px;
}

.heat-pump-factor-list strong,
.heat-pump-defrost-list strong {
  color: var(--steel);
  font-size: 0.9rem;
  line-height: 1.24;
}

.heat-pump-hybrid-section {
  border-top: 1px solid rgba(54, 169, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.heat-pump-hybrid-grid p {
  color: var(--steel);
}

.heat-pump-hybrid-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr);
  align-items: stretch;
  padding: 18px;
  gap: 12px;
}

.heat-pump-hybrid-flow > div {
  display: grid;
  align-content: center;
  min-height: 190px;
  padding: 22px;
  gap: 10px;
}

.heat-pump-hybrid-flow small {
  color: var(--muted);
  font-weight: 900;
  text-transform: uppercase;
}

.heat-pump-hybrid-flow strong {
  color: var(--text);
  font-size: 1.25rem;
}

.heat-pump-hybrid-flow em {
  color: var(--steel);
  font-style: normal;
}

.heat-pump-flow-arrow {
  position: relative;
  align-self: center;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--orange));
}

.heat-pump-flow-arrow::after {
  position: absolute;
  top: 50%;
  right: -2px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--orange);
  border-right: 2px solid var(--orange);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.heat-pump-fit-section {
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.03), transparent 48%),
    #080c10;
}

.heat-pump-card-grid,
.heat-pump-installation-grid,
.heat-pump-selection-grid,
.heat-pump-maintenance-grid {
  display: grid;
  gap: 16px;
}

.heat-pump-card-grid,
.heat-pump-installation-grid,
.heat-pump-maintenance-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.heat-pump-selection-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.heat-pump-selection-grid .heat-pump-card:nth-child(5) {
  grid-column: 1 / -1;
  min-height: 158px;
}

.heat-pump-installation-section {
  padding: 82px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 38% 0, rgba(54, 169, 255, 0.13), transparent 34%),
    radial-gradient(circle at 70% 8%, rgba(151, 34, 34, 0.11), transparent 28%),
    #080b0f;
}

.heat-pump-install-card {
  min-height: 188px;
}

.heat-pump-system-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.heat-pump-system-map div {
  display: flex;
  align-items: center;
  min-height: 76px;
  padding: 14px;
  gap: 12px;
}

.heat-pump-system-map .heat-pump-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}

.heat-pump-system-map .heat-pump-icon svg {
  width: 18px;
  height: 18px;
}

.heat-pump-system-map strong {
  color: var(--steel);
  line-height: 1.24;
}

.heat-pump-efficiency-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.055), transparent 44%),
    #090d11;
}

.heat-pump-indicators {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.heat-pump-indicators div {
  position: relative;
  overflow: hidden;
  min-height: 170px;
  padding: 26px;
}

.heat-pump-indicators div::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), rgba(54, 169, 255, 0.08));
  content: "";
}

.heat-pump-indicators div:nth-child(2)::before {
  background: linear-gradient(90deg, var(--orange), rgba(151, 34, 34, 0.08));
}

.heat-pump-indicators span {
  display: block;
  margin-bottom: 18px;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 900;
}

.heat-pump-indicators strong {
  color: var(--steel);
  font-weight: 700;
}

.heat-pump-defrost-section {
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.035), transparent 52%),
    #080c10;
}

.heat-pump-defrost-grid p {
  color: var(--steel);
}

.heat-pump-comparison-section {
  background: var(--bg);
}

.heat-pump-comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.heat-pump-comparison-card {
  padding: 28px;
}

.heat-pump-comparison-card > p {
  color: var(--steel);
}

.heat-pump-mini-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.heat-pump-mini-compare div {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.heat-pump-mini-compare h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.heat-pump-mini-compare p {
  margin: 0 0 8px;
  color: var(--muted);
}

.heat-pump-problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.heat-pump-problem-list span {
  min-height: 44px;
  padding: 12px 14px;
  color: var(--steel);
  font-weight: 800;
}

.heat-pump-maintenance-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.045), transparent 42%),
    linear-gradient(270deg, rgba(151, 34, 34, 0.055), transparent 48%),
    #090d11;
}

.heat-pump-maintenance-layout {
  align-items: center;
}

.heat-pump-maintenance-card {
  display: flex;
  align-items: center;
  min-height: 66px;
  padding: 14px 16px;
  gap: 11px;
}

.heat-pump-maintenance-card span {
  display: grid;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.44);
  border-radius: 50%;
  background: rgba(54, 169, 255, 0.08);
}

.heat-pump-maintenance-card span::before {
  width: 7px;
  height: 4px;
  border-bottom: 2px solid var(--blue);
  border-left: 2px solid var(--blue);
  content: "";
  transform: rotate(-45deg) translate(1px, -1px);
}

.heat-pump-maintenance-card strong {
  color: var(--steel);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.18;
  text-transform: uppercase;
}

.ductless-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.04), transparent 48%),
    linear-gradient(270deg, rgba(151, 34, 34, 0.04), transparent 56%),
    var(--bg);
}

.ductless-basics-grid,
.ductless-zoning-grid,
.ductless-design-grid,
.ductless-placement-grid,
.ductless-line-grid,
.ductless-winter-grid,
.ductless-mode-grid,
.ductless-diagnostics-grid,
.ductless-controls-grid,
.ductless-maintenance-layout {
  display: grid;
  align-items: start;
  gap: 34px;
}

.ductless-basics-grid,
.ductless-zoning-grid,
.ductless-design-grid,
.ductless-placement-grid,
.ductless-line-grid,
.ductless-winter-grid,
.ductless-mode-grid,
.ductless-diagnostics-grid,
.ductless-controls-grid {
  grid-template-columns: minmax(280px, 0.62fr) minmax(0, 1fr);
}

.ductless-maintenance-layout {
  grid-template-columns: minmax(280px, 0.58fr) minmax(0, 1fr);
  align-items: center;
}

.ductless-icon {
  display: inline-grid;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  overflow: hidden;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.26);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.16), transparent 65%),
    rgba(54, 169, 255, 0.055);
  color: var(--blue);
}

.ductless-icon svg {
  width: 22px;
  height: 22px;
  max-width: 22px;
  max-height: 22px;
  flex: 0 0 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.ductless-card,
.ductless-install-card,
.ductless-system-panel,
.ductless-flow,
.ductless-flow-step,
.ductless-zone-visual div,
.ductless-check-panel,
.ductless-factor-list span,
.ductless-photo-pair button,
.ductless-winter-panel div,
.ductless-comparison-card,
.ductless-heat-pump-compare-panel,
.ductless-mini-compare div,
.ductless-mode-list span,
.ductless-problem-list span,
.ductless-control-list div,
.ductless-maintenance-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #0a1016;
}

.ductless-card,
.ductless-install-card {
  display: grid;
  align-content: start;
  min-height: 178px;
  padding: 22px;
  gap: 12px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.ductless-card:hover,
.ductless-install-card:hover {
  border-color: rgba(54, 169, 255, 0.48);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.08), rgba(255, 255, 255, 0.012)),
    #0a1016;
  transform: translateY(-2px);
}

.ductless-card-grid,
.ductless-installation-grid,
.ductless-maintenance-grid {
  display: grid;
  gap: 16px;
}

.ductless-card-grid,
.ductless-installation-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ductless-maintenance-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ductless-card h3,
.ductless-install-card h3,
.ductless-system-panel h3,
.ductless-comparison-card h3,
.ductless-mini-compare h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.18;
}

.ductless-card p,
.ductless-install-card p,
.ductless-system-panel p,
.ductless-comparison-card li,
.ductless-mini-compare p {
  color: var(--muted);
}

.ductless-callout,
.ductless-note {
  display: inline-flex;
  align-items: center;
  margin-top: 6px;
  padding: 12px 14px;
  border: 1px solid rgba(54, 169, 255, 0.28);
  border-radius: 8px;
  background: rgba(54, 169, 255, 0.08);
  color: var(--text);
  font-weight: 900;
}

.ductless-note {
  margin-top: 16px;
}

.ductless-note-warm {
  border-color: rgba(255, 116, 51, 0.28);
  background: rgba(151, 34, 34, 0.08);
}

.ductless-basics-section,
.ductless-line-section,
.ductless-installation-section,
.ductless-mode-section {
  border-top: 1px solid rgba(54, 169, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ductless-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px minmax(0, 1fr) 42px minmax(0, 1fr) 42px minmax(0, 1fr);
  align-items: stretch;
  padding: 16px;
  gap: 10px;
}

.ductless-flow-step {
  display: grid;
  min-height: 142px;
  place-items: center;
  padding: 18px;
  gap: 12px;
  text-align: center;
}

.ductless-flow-step strong {
  color: var(--text);
  line-height: 1.15;
}

.ductless-flow-arrow,
.ductless-mini-flow i {
  position: relative;
  align-self: center;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), rgba(255, 116, 51, 0.86));
}

.ductless-flow-arrow::after,
.ductless-mini-flow i::after {
  position: absolute;
  top: 50%;
  right: -2px;
  width: 10px;
  height: 10px;
  border-top: 2px solid rgba(255, 116, 51, 0.9);
  border-right: 2px solid rgba(255, 116, 51, 0.9);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.ductless-applications-section,
.ductless-placement-section,
.ductless-diagnostics-section {
  background: var(--bg-soft);
}

.ductless-system-types-section,
.ductless-installation-section {
  padding: 82px 0;
  background:
    radial-gradient(circle at 28% 0, rgba(54, 169, 255, 0.13), transparent 34%),
    radial-gradient(circle at 78% 8%, rgba(151, 34, 34, 0.09), transparent 28%),
    #080b0f;
}

.ductless-system-type-grid,
.ductless-comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.ductless-system-panel,
.ductless-comparison-card,
.ductless-heat-pump-compare-panel {
  padding: 28px;
}

.ductless-system-panel {
  position: relative;
  overflow: hidden;
}

.ductless-system-panel::before,
.ductless-comparison-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), rgba(54, 169, 255, 0.08));
  content: "";
}

.ductless-system-panel-warm::before {
  background: linear-gradient(90deg, var(--orange), rgba(151, 34, 34, 0.08));
}

.ductless-mini-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px minmax(0, 1fr);
  align-items: center;
  margin: 18px 0;
  gap: 10px;
}

.ductless-mini-flow span {
  min-height: 62px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-weight: 900;
  text-align: center;
}

.ductless-system-panel strong {
  display: block;
  margin: 18px 0 10px;
  color: var(--steel);
}

.ductless-system-panel ul,
.ductless-comparison-card ul {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 9px;
  list-style: none;
}

.ductless-system-panel li,
.ductless-comparison-card li {
  position: relative;
  padding-left: 20px;
}

.ductless-system-panel li::before,
.ductless-comparison-card li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 10px;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
}

.ductless-zone-visual {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.ductless-zone-visual div {
  display: grid;
  min-height: 178px;
  align-content: center;
  padding: 22px;
  gap: 12px;
  text-align: center;
}

.ductless-zone-visual strong {
  color: var(--text);
  font-size: 1.12rem;
}

.ductless-zone-visual em {
  color: var(--blue);
  font-size: 1.55rem;
  font-style: normal;
  font-weight: 900;
}

.ductless-factor-list,
.ductless-problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.ductless-factor-list span,
.ductless-problem-list span,
.ductless-mode-list span {
  min-height: 44px;
  padding: 12px 14px;
  color: var(--steel);
  font-weight: 800;
}

.ductless-placement-copy {
  position: sticky;
  top: 104px;
}

.ductless-check-panel {
  padding: 28px;
}

.ductless-check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ductless-check-grid div,
.ductless-maintenance-card {
  display: flex;
  align-items: center;
  min-height: 66px;
  gap: 11px;
}

.ductless-check-grid div {
  padding: 14px 0;
}

.ductless-check-grid span,
.ductless-maintenance-card span {
  display: grid;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.44);
  border-radius: 50%;
  background: rgba(54, 169, 255, 0.08);
}

.ductless-check-grid span::before,
.ductless-maintenance-card span::before {
  width: 7px;
  height: 4px;
  border-bottom: 2px solid var(--blue);
  border-left: 2px solid var(--blue);
  content: "";
  transform: rotate(-45deg) translate(1px, -1px);
}

.ductless-check-grid strong,
.ductless-maintenance-card strong {
  color: var(--steel);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.18;
  text-transform: uppercase;
}

.ductless-photo-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ductless-photo-pair button {
  position: relative;
  overflow: hidden;
  min-height: 430px;
  padding: 0;
  border-color: rgba(54, 169, 255, 0.16);
  cursor: zoom-in;
}

.ductless-photo-pair img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.ductless-photo-pair button:hover img {
  transform: scale(1.035);
}

.ductless-photo-pair button::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 44%, rgba(0, 0, 0, 0.82));
  content: "";
}

.ductless-photo-pair span {
  position: absolute;
  z-index: 1;
  right: 16px;
  bottom: 16px;
  left: 16px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.ductless-pull-quote {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--blue);
  background: rgba(54, 169, 255, 0.07);
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 900;
}

.ductless-winter-section,
.ductless-controls-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.045), transparent 42%),
    linear-gradient(270deg, rgba(151, 34, 34, 0.055), transparent 48%),
    #090d11;
}

.ductless-winter-panel,
.ductless-control-list,
.ductless-mode-list {
  display: grid;
  gap: 12px;
}

.ductless-winter-panel {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ductless-winter-panel div,
.ductless-control-list div {
  display: flex;
  align-items: center;
  min-height: 76px;
  padding: 14px;
  gap: 12px;
}

.ductless-winter-panel .ductless-icon,
.ductless-control-list .ductless-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}

.ductless-winter-panel .ductless-icon svg,
.ductless-control-list .ductless-icon svg {
  width: 18px;
  height: 18px;
}

.ductless-winter-panel strong,
.ductless-control-list strong {
  color: var(--steel);
  line-height: 1.24;
}

.ductless-comparison-section {
  background: var(--bg);
}

.ductless-comparison-card {
  position: relative;
  overflow: hidden;
}

.ductless-heat-pump-compare-section {
  background: var(--bg-soft);
}

.ductless-heat-pump-compare-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
}

.ductless-mini-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ductless-mini-compare div {
  padding: 18px;
}

.ductless-mini-compare p {
  margin: 0 0 8px;
}

.ductless-mode-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ductless-maintenance-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.045), transparent 48%),
    var(--bg);
}

.ductless-maintenance-card {
  padding: 14px 16px;
}

.water-heating-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.98), rgba(7, 9, 12, 0.74) 48%, rgba(7, 9, 12, 0.62)),
    linear-gradient(180deg, rgba(7, 9, 12, 0.18), rgba(7, 9, 12, 0.88));
}

.water-heating-section {
  background:
    radial-gradient(circle at 12% 0, rgba(54, 169, 255, 0.055), transparent 32%),
    radial-gradient(circle at 88% 12%, rgba(255, 116, 51, 0.045), transparent 34%),
    var(--bg);
}

.water-heating-overview-section,
.water-heating-selection-section,
.water-heating-tankless-section,
.water-heating-boiler-vs-section,
.water-heating-installation-section,
.water-heating-scale-section,
.water-heating-brands-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent),
    var(--bg-soft);
}

.water-heating-aside {
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.08), transparent 58%),
    var(--panel);
}

.water-heating-options-grid,
.water-selection-grid,
.water-sign-grid,
.water-install-grid,
.water-maintenance-grid {
  display: grid;
  gap: 16px;
}

.water-heating-options-grid,
.water-install-grid,
.water-maintenance-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.water-selection-grid,
.water-sign-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.water-option-card,
.water-technical-card,
.water-comparison-card,
.water-purpose-card,
.water-maintenance-card,
.water-flow-panel,
.water-dual-panel article,
.water-chip-panel,
.water-safety-list,
.water-scale-panel {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #0a1016;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.22);
}

.water-option-card,
.water-technical-card,
.water-comparison-card,
.water-purpose-card,
.water-maintenance-card,
.water-scale-panel {
  display: grid;
  align-content: start;
  gap: 13px;
  padding: 22px;
}

.water-option-card {
  min-height: 440px;
  grid-template-rows: auto auto auto auto 1fr auto;
}

.water-option-card:hover,
.water-technical-card:hover,
.water-comparison-card:hover,
.water-purpose-card:hover,
.water-maintenance-card:hover {
  border-color: rgba(54, 169, 255, 0.34);
  transform: translateY(-2px);
}

.water-option-card,
.water-technical-card,
.water-comparison-card,
.water-purpose-card,
.water-maintenance-card {
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.water-option-card:nth-child(3),
.water-purpose-card:nth-child(2),
.water-maintenance-card:nth-child(3) {
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.075), rgba(255, 255, 255, 0.012)),
    #0a1016;
}

.water-option-card h3,
.water-technical-card h3,
.water-comparison-card h3,
.water-purpose-card h3,
.water-maintenance-card h3,
.water-scale-panel h3,
.water-dual-panel h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.18;
}

.water-option-card p,
.water-technical-card p,
.water-comparison-card p,
.water-purpose-card p,
.water-maintenance-card p,
.water-scale-panel p,
.water-note {
  margin: 0;
  color: var(--muted);
}

.water-note {
  max-width: 660px;
  font-size: 1.02rem;
}

.water-note strong {
  color: var(--text);
}

.water-heating-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.28);
  border-radius: 9px;
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.16), transparent 66%),
    rgba(54, 169, 255, 0.055);
  color: var(--blue);
}

.water-option-card:nth-child(3) .water-heating-icon,
.water-purpose-card:nth-child(2) .water-heating-icon,
.water-maintenance-card:nth-child(3) .water-heating-icon {
  border-color: rgba(255, 116, 51, 0.28);
  background:
    radial-gradient(circle at 50% 0, rgba(255, 116, 51, 0.18), transparent 66%),
    rgba(255, 116, 51, 0.06);
  color: var(--orange);
}

.water-heating-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.water-heating-list {
  display: grid;
  margin: 8px 0 0;
  padding: 0;
  gap: 8px;
  color: var(--muted);
  list-style: none;
}

.water-heating-list li {
  position: relative;
  padding-left: 18px;
}

.water-heating-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.water-option-card:nth-child(3) .water-heating-list li::before,
.water-purpose-card:nth-child(2) .water-heating-list li::before,
.water-maintenance-card:nth-child(3) .water-heating-list li::before {
  background: var(--orange);
}

.water-option-card strong {
  color: var(--steel);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.water-option-card .button {
  justify-self: center;
  width: 100%;
  height: 64px;
  padding-inline: 14px;
  white-space: nowrap;
}

.water-split-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.52fr) minmax(0, 1fr);
  align-items: center;
  gap: 30px;
}

.water-flow-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px minmax(0, 1fr) 34px minmax(0, 1fr);
  align-items: stretch;
  padding: 22px;
  gap: 12px;
}

.water-flow-step {
  display: grid;
  min-height: 152px;
  place-items: center;
  align-content: center;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  background: rgba(7, 9, 12, 0.54);
  text-align: center;
}

.water-flow-step-main {
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.08), rgba(54, 169, 255, 0.05)),
    rgba(7, 9, 12, 0.62);
}

.water-flow-step strong {
  max-width: 130px;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.22;
}

.water-flow-arrow {
  display: grid;
  place-items: center;
  color: var(--blue);
  font-size: 1.4rem;
  font-weight: 900;
}

.water-dual-panel,
.water-comparison-grid,
.water-boiler-vs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.water-dual-panel article {
  display: grid;
  align-content: start;
  gap: 13px;
  padding: 22px;
}

.water-comparison-card {
  min-height: 330px;
}

.water-chip-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  padding: 24px;
  gap: 18px;
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 116, 51, 0.12), transparent 34%),
    radial-gradient(circle at 92% 94%, rgba(54, 169, 255, 0.11), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012)),
    #0a1016;
}

.water-chip-panel::before {
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 12px;
  opacity: 0.7;
  pointer-events: none;
  content: "";
}

.water-chip-panel-head,
.water-chip-grid,
.water-problem-tile {
  position: relative;
  z-index: 1;
}

.water-chip-panel-head {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 13px;
}

.water-chip-panel-head strong {
  display: block;
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.2;
}

.water-chip-panel-head small,
.water-application-chip small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.25;
}

.water-chip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.water-application-chip,
.water-problem-tile,
.water-summary-line {
  border: 1px solid rgba(255, 255, 255, 0.095);
  border-radius: 9px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.044), rgba(255, 255, 255, 0.014)),
    rgba(6, 10, 14, 0.72);
}

.water-application-chip {
  display: grid;
  min-height: 76px;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  padding: 12px;
  gap: 10px;
}

.water-application-chip strong,
.water-problem-tile strong {
  display: block;
  color: var(--text);
  font-weight: 900;
  line-height: 1.15;
}

.water-mini-icon {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.24);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.16), transparent 68%),
    rgba(54, 169, 255, 0.052);
  color: var(--blue);
}

.water-application-chip:nth-child(3n) .water-mini-icon,
.water-problem-tile:nth-child(4n + 1) .water-mini-icon,
.water-problem-tile:nth-child(4n + 5) .water-mini-icon {
  border-color: rgba(255, 116, 51, 0.28);
  background:
    radial-gradient(circle at 50% 0, rgba(255, 116, 51, 0.17), transparent 68%),
    rgba(255, 116, 51, 0.06);
  color: var(--orange);
}

.water-mini-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.85;
}

.water-summary-line {
  max-width: 880px;
  margin: 20px auto 0;
  padding: 16px 18px;
  color: var(--steel);
  text-align: center;
}

.water-safety-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 20px;
  gap: 12px;
}

.water-safety-list div {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.water-safety-list strong {
  color: var(--steel);
  line-height: 1.2;
}

.water-problem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.water-problem-tile {
  display: grid;
  min-height: 88px;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  padding: 14px;
  gap: 11px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.water-problem-tile:hover {
  border-color: rgba(54, 169, 255, 0.28);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.06), rgba(255, 255, 255, 0.014)),
    rgba(6, 10, 14, 0.76);
  transform: translateY(-2px);
}

.water-problem-tile small {
  display: block;
  margin-bottom: 5px;
  color: var(--blue);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.055em;
  line-height: 1.1;
  text-transform: uppercase;
}

.water-scale-panel {
  max-width: 560px;
  justify-self: end;
}

.water-brand-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 8px 0 0;
  padding: 0;
  gap: 10px;
  list-style: none;
}

.water-brand-strip .brand-strip-card {
  min-height: 108px;
}

.water-brand-strip .brand-strip-card img {
  max-height: 42px;
}

.humidifier-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.97) 0%, rgba(7, 9, 12, 0.74) 45%, rgba(7, 9, 12, 0.42) 78%, rgba(7, 9, 12, 0.68) 100%),
    linear-gradient(180deg, rgba(7, 9, 12, 0.12), rgba(7, 9, 12, 0.84));
}

.humidifier-section {
  background:
    radial-gradient(circle at 14% 0, rgba(54, 169, 255, 0.055), transparent 34%),
    radial-gradient(circle at 88% 12%, rgba(255, 116, 51, 0.03), transparent 31%),
    var(--bg);
}

.humidifier-overview-section,
.humidifier-how-section,
.humidifier-comparison-section,
.humidifier-temperature-section,
.humidifier-integration-section,
.humidifier-install-section,
.humidifier-problems-section,
.humidifier-maintenance-section,
.humidifier-compare-services-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent),
    var(--bg-soft);
}

.humidifier-aside {
  border-color: rgba(54, 169, 255, 0.22);
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.09), transparent 48%),
    var(--panel);
}

.humidifier-split,
.humidifier-two-panel-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.humidifier-split {
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
}

.humidifier-two-panel-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.humidifier-flow-panel,
.humidifier-map-panel,
.humidifier-type-card,
.humidifier-detail-card,
.humidifier-card,
.humidifier-feature-panel,
.humidifier-install-card,
.humidifier-problem-tile,
.humidifier-maintenance-card,
.humidifier-scale-panel,
.humidifier-temperature-panel,
.humidifier-comparison-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #0f151b;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.24);
}

.humidifier-flow-panel,
.humidifier-map-panel,
.humidifier-feature-panel,
.humidifier-scale-panel,
.humidifier-temperature-panel {
  padding: clamp(22px, 3vw, 32px);
}

.humidifier-linear-flow {
  display: flex;
  align-items: stretch;
  gap: 10px;
}

.humidifier-flow-node {
  display: grid;
  min-width: 0;
  min-height: 84px;
  flex: 1 1 0;
  place-items: center;
  padding: 15px;
  border: 1px solid rgba(54, 169, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(7, 12, 17, 0.78);
  text-align: center;
}

.humidifier-flow-node span {
  color: var(--text);
  font-weight: 900;
  line-height: 1.16;
}

.humidifier-flow-arrow {
  position: relative;
  width: 34px;
  align-self: center;
  height: 2px;
  flex: 0 0 34px;
  background: linear-gradient(90deg, rgba(54, 169, 255, 0.15), rgba(54, 169, 255, 0.95));
  color: var(--blue);
}

.humidifier-flow-arrow::after {
  position: absolute;
  top: 50%;
  right: 0;
  width: 9px;
  height: 9px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.humidifier-system-flow {
  max-width: 980px;
  margin: 34px auto 0;
  padding: 24px;
  border: 1px solid rgba(54, 169, 255, 0.18);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 20% 12%, rgba(54, 169, 255, 0.09), transparent 34%),
    radial-gradient(circle at 82% 84%, rgba(255, 116, 51, 0.045), transparent 34%),
    #0b1117;
}

.humidifier-type-grid,
.humidifier-card-grid,
.humidifier-install-grid,
.humidifier-maintenance-grid,
.humidifier-problem-grid {
  display: grid;
  gap: 14px;
}

.humidifier-type-grid,
.humidifier-card-grid,
.humidifier-install-grid,
.humidifier-maintenance-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.humidifier-problem-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.humidifier-type-card,
.humidifier-card,
.humidifier-install-card,
.humidifier-maintenance-card {
  display: grid;
  align-content: start;
  min-height: 210px;
  padding: 22px;
  gap: 12px;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.humidifier-type-card {
  min-height: 360px;
}

.humidifier-type-card:hover,
.humidifier-card:hover,
.humidifier-install-card:hover,
.humidifier-maintenance-card:hover,
.humidifier-problem-tile:hover {
  border-color: rgba(54, 169, 255, 0.38);
  transform: translateY(-2px);
}

.humidifier-type-steam,
.humidifier-feature-panel-warm,
.humidifier-maintenance-card:nth-child(3) {
  background:
    radial-gradient(circle at 100% 0, rgba(255, 116, 51, 0.09), transparent 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #11161b;
}

.humidifier-icon,
.humidifier-mini-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(54, 169, 255, 0.36);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.14), rgba(54, 169, 255, 0.045));
  color: var(--blue);
}

.humidifier-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
}

.humidifier-mini-icon {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 7px;
}

.humidifier-type-steam .humidifier-icon,
.humidifier-type-steam .humidifier-mini-icon,
.humidifier-feature-panel-warm .humidifier-icon,
.humidifier-maintenance-card:nth-child(3) .humidifier-icon,
.humidifier-scale-panel .humidifier-icon {
  border-color: rgba(255, 116, 51, 0.34);
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.14), rgba(255, 116, 51, 0.045));
  color: var(--orange);
}

.humidifier-icon svg,
.humidifier-mini-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.humidifier-mini-icon svg {
  width: 18px;
  height: 18px;
}

.humidifier-type-card h3,
.humidifier-detail-card h3,
.humidifier-card h3,
.humidifier-feature-panel h2,
.humidifier-install-card h3,
.humidifier-maintenance-card h3,
.humidifier-scale-panel h3 {
  margin: 0;
}

.humidifier-type-card p:not(.eyebrow),
.humidifier-detail-card p,
.humidifier-card p,
.humidifier-feature-panel p,
.humidifier-install-card p,
.humidifier-scale-panel p {
  margin: 0;
  color: var(--steel);
}

.humidifier-mini-flow {
  margin-top: auto;
  padding-top: 8px;
}

.humidifier-mini-flow .humidifier-linear-flow {
  display: grid;
  grid-template-columns: 1fr;
}

.humidifier-mini-flow .humidifier-flow-node {
  min-height: 52px;
}

.humidifier-mini-flow .humidifier-flow-arrow {
  width: 2px;
  height: 22px;
  justify-self: center;
  flex-basis: auto;
  background: linear-gradient(180deg, rgba(54, 169, 255, 0.15), rgba(54, 169, 255, 0.95));
}

.humidifier-mini-flow .humidifier-flow-arrow::after {
  top: auto;
  right: auto;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) rotate(135deg);
}

.humidifier-detail-stack {
  display: grid;
  gap: 16px;
}

.humidifier-detail-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.74fr) minmax(0, 1.26fr);
  grid-template-areas:
    "copy lists"
    "flow lists";
  align-items: start;
  padding: clamp(22px, 3vw, 32px);
  gap: 20px 28px;
}

.humidifier-detail-copy {
  grid-area: copy;
  display: grid;
  align-content: start;
  max-width: 520px;
  gap: 12px;
}

.humidifier-detail-flow {
  grid-area: flow;
  min-width: 0;
  padding: 14px;
  border: 1px solid rgba(54, 169, 255, 0.18);
  border-radius: 10px;
  background:
    radial-gradient(circle at 15% 12%, rgba(54, 169, 255, 0.075), transparent 38%),
    linear-gradient(135deg, rgba(54, 169, 255, 0.05), rgba(7, 10, 14, 0.58) 44%, rgba(7, 10, 14, 0.74));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

.humidifier-detail-flow .humidifier-linear-flow {
  display: grid;
  grid-template-columns: minmax(76px, 1fr) 14px minmax(76px, 1fr) 14px minmax(96px, 1.12fr);
  align-items: center;
  gap: 5px;
}

.humidifier-detail-flow .humidifier-flow-arrow {
  width: 100%;
  height: 2px;
  flex: initial;
  justify-self: center;
  background: linear-gradient(90deg, rgba(54, 169, 255, 0.1), rgba(54, 169, 255, 0.95));
}

.humidifier-detail-flow .humidifier-flow-arrow::after {
  width: 8px;
  height: 8px;
  border-width: 2px;
}

.humidifier-detail-flow .humidifier-flow-node {
  width: 100%;
  min-height: 64px;
  padding: 10px 5px;
  border-color: rgba(54, 169, 255, 0.26);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(9, 16, 23, 0.96), rgba(5, 9, 13, 0.94)),
    rgba(5, 9, 13, 0.9);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.035),
    0 10px 22px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.humidifier-detail-flow .humidifier-flow-node span {
  max-width: 100%;
  font-size: 0.82rem;
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: normal;
  word-break: keep-all;
  hyphens: none;
}

.humidifier-detail-lists {
  grid-area: lists;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.humidifier-detail-lists > div {
  min-width: 0;
  display: grid;
  align-content: start;
  min-height: 100%;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.095);
  border-radius: var(--radius);
  background: rgba(7, 10, 14, 0.62);
}

.humidifier-detail-lists strong,
.humidifier-maintenance-card h3 {
  color: var(--text);
}

.humidifier-list {
  display: grid;
  margin: 12px 0 0;
  padding: 0;
  gap: 8px;
  list-style: none;
  color: var(--steel);
}

.humidifier-list li {
  position: relative;
  padding-left: 18px;
}

.humidifier-list li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
}

.humidifier-type-steam .humidifier-list li::before,
.humidifier-feature-panel-warm .humidifier-list li::before,
.humidifier-maintenance-card:nth-child(3) .humidifier-list li::before {
  background: var(--orange);
}

.humidifier-statement {
  display: block;
  margin-top: 6px;
  padding: 16px 18px;
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(54, 169, 255, 0.07);
  color: var(--text);
}

.humidifier-feature-panel-warm .humidifier-statement {
  border-left-color: var(--orange);
  background: rgba(255, 116, 51, 0.055);
}

.humidifier-comparison-wrap {
  overflow: hidden;
  padding: 18px;
}

.humidifier-comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.humidifier-comparison-table th,
.humidifier-comparison-table td {
  padding: 16px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--steel);
  text-align: left;
  vertical-align: top;
}

.humidifier-comparison-table thead th {
  color: var(--text);
  font-size: 0.8rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.humidifier-comparison-table tbody th {
  width: 27%;
  color: var(--text);
}

.humidifier-comparison-table tbody tr:last-child th,
.humidifier-comparison-table tbody tr:last-child td {
  border-bottom: 0;
}

.humidifier-comparison-cards {
  display: none;
}

.humidifier-note {
  max-width: 760px;
  margin: 20px auto 0;
  color: var(--steel);
  text-align: center;
}

.humidifier-temperature-panel {
  display: grid;
  gap: 14px;
}

.humidifier-temperature-panel div {
  display: grid;
  min-height: 128px;
  align-content: center;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.095);
  border-radius: var(--radius);
  background: rgba(7, 10, 14, 0.64);
}

.humidifier-temperature-panel span {
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.humidifier-temperature-panel div:last-child span {
  color: var(--orange);
}

.humidifier-temperature-panel strong {
  margin-top: 8px;
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1.16;
}

.humidifier-feature-panel {
  display: grid;
  align-content: start;
  gap: 14px;
}

.humidifier-integration-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.humidifier-integration-grid article {
  display: grid;
  min-height: 88px;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  padding: 13px;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.07), transparent 48%),
    rgba(7, 12, 17, 0.72);
}

.humidifier-integration-grid strong,
.humidifier-problem-tile strong {
  color: var(--text);
  font-weight: 900;
  line-height: 1.16;
}

.humidifier-install-card {
  min-height: 182px;
}

.humidifier-problem-tile {
  display: grid;
  min-height: 82px;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  padding: 15px;
  gap: 12px;
  transition: border-color 180ms ease, transform 180ms ease;
}

.humidifier-maintenance-card {
  min-height: 340px;
}

.humidifier-scale-panel {
  display: grid;
  max-width: 560px;
  justify-self: end;
  gap: 14px;
}

.humidifier-mini-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.humidifier-mini-compare > div {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 10, 14, 0.58);
}

.humidifier-mini-compare strong {
  color: var(--text);
}

.humidifier-mini-compare p {
  color: var(--steel);
}

.humidifier-compare-services-section .button {
  justify-self: start;
}

.humidifier-gallery-section .section-heading {
  max-width: 780px;
}

@media (max-width: 1120px) {
  .humidifier-detail-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "flow"
      "lists";
  }

  .humidifier-card-grid,
  .humidifier-install-grid,
  .humidifier-problem-grid,
  .humidifier-integration-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .humidifier-split {
    grid-template-columns: 1fr;
  }

  .humidifier-scale-panel {
    justify-self: stretch;
  }

  .humidifier-detail-lists {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .humidifier-type-grid,
  .humidifier-maintenance-grid,
  .humidifier-two-panel-grid {
    grid-template-columns: 1fr;
  }

  .humidifier-type-card {
    min-height: auto;
  }
}

@media (max-width: 700px) {
  .humidifier-hero {
    background-position: 54% center;
  }

  .humidifier-linear-flow {
    flex-direction: column;
  }

  .humidifier-flow-arrow {
    width: 2px;
    height: 28px;
    flex: 0 0 28px;
    align-self: center;
    background: linear-gradient(180deg, rgba(54, 169, 255, 0.15), rgba(54, 169, 255, 0.95));
  }

  .humidifier-flow-arrow::after {
    top: auto;
    right: auto;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
  }

  .humidifier-flow-node {
    min-height: 72px;
  }

  .humidifier-flow-panel,
  .humidifier-map-panel,
  .humidifier-feature-panel,
  .humidifier-scale-panel,
  .humidifier-temperature-panel,
  .humidifier-system-flow {
    padding: 20px;
  }

  .humidifier-card-grid,
  .humidifier-install-grid,
  .humidifier-problem-grid,
  .humidifier-integration-grid,
  .humidifier-mini-compare,
  .humidifier-detail-lists {
    grid-template-columns: 1fr;
  }

  .humidifier-detail-flow {
    padding: 16px;
  }

  .humidifier-detail-flow .humidifier-linear-flow {
    grid-template-columns: 1fr;
  }

  .humidifier-detail-flow .humidifier-flow-arrow {
    width: 2px;
    height: 26px;
    justify-self: center;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(54, 169, 255, 0.15), rgba(54, 169, 255, 0.95));
    box-shadow: none;
  }

  .humidifier-detail-flow .humidifier-flow-arrow::before {
    display: none;
  }

  .humidifier-detail-flow .humidifier-flow-arrow::after {
    top: auto;
    right: auto;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
  }

  .humidifier-comparison-table {
    display: none;
  }

  .humidifier-comparison-cards {
    display: grid;
    gap: 12px;
  }

  .humidifier-comparison-cards article {
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.095);
    border-radius: var(--radius);
    background: rgba(7, 10, 14, 0.64);
  }

  .humidifier-comparison-cards h3 {
    margin: 0 0 12px;
    color: var(--text);
    font-size: 1rem;
  }

  .humidifier-comparison-cards dl,
  .humidifier-comparison-cards dd {
    margin: 0;
  }

  .humidifier-comparison-cards dl {
    display: grid;
    gap: 8px;
  }

  .humidifier-comparison-cards dl div {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 10px;
  }

  .humidifier-comparison-cards dt {
    color: var(--blue);
    font-size: 0.76rem;
    font-weight: 900;
    letter-spacing: 0.055em;
    text-transform: uppercase;
  }

  .humidifier-comparison-cards dd {
    color: var(--steel);
  }

  .humidifier-problem-tile,
  .humidifier-integration-grid article {
    min-height: 70px;
  }
}

.ductwork-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.96) 0%, rgba(7, 9, 12, 0.74) 45%, rgba(7, 9, 12, 0.36) 76%, rgba(7, 9, 12, 0.7) 100%),
    linear-gradient(180deg, rgba(7, 9, 12, 0.14), rgba(7, 9, 12, 0.84));
}

.ductwork-section {
  background:
    radial-gradient(circle at 10% 0, rgba(54, 169, 255, 0.055), transparent 34%),
    radial-gradient(circle at 88% 18%, rgba(197, 203, 211, 0.038), transparent 28%),
    var(--bg);
}

.ductwork-system-grid,
.ductwork-split,
.ductwork-pressure-grid,
.ductwork-fitting-grid,
.ductwork-photo-split,
.ductwork-problems-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  align-items: center;
  gap: clamp(22px, 4vw, 48px);
}

.ductwork-photo-split-reverse {
  grid-template-columns: minmax(360px, 1.05fr) minmax(0, 0.95fr);
}

.ductwork-two-panel-grid,
.ductwork-card-grid,
.ductwork-type-grid,
.ductwork-install-grid,
.ductwork-material-grid,
.ductwork-mini-card-grid {
  display: grid;
  gap: 16px;
}

.ductwork-two-panel-grid,
.ductwork-material-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ductwork-card-grid,
.ductwork-type-grid,
.ductwork-install-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ductwork-mini-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 16px;
}

.ductwork-card,
.ductwork-panel,
.ductwork-flow-panel,
.ductwork-pressure-panel,
.ductwork-comparison article,
.ductwork-install-card,
.ductwork-myth-panel,
.ductwork-photo-card {
  border: 1px solid rgba(255, 255, 255, 0.105);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent),
    rgba(13, 17, 22, 0.88);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
}

.ductwork-card,
.ductwork-panel,
.ductwork-flow-panel,
.ductwork-pressure-panel,
.ductwork-install-card,
.ductwork-myth-panel {
  min-width: 0;
  padding: clamp(18px, 2.4vw, 26px);
}

.ductwork-card,
.ductwork-install-card {
  display: grid;
  align-content: start;
  min-height: 210px;
  gap: 12px;
}

.ductwork-panel {
  display: grid;
  align-content: start;
  gap: 14px;
}

.ductwork-commercial-panel {
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.06), transparent 44%),
    rgba(13, 17, 22, 0.88);
}

.ductwork-card h2,
.ductwork-panel h2,
.ductwork-myth-panel h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.55rem, 2.6vw, 2.45rem);
  line-height: 1.04;
}

.ductwork-card h3,
.ductwork-panel h3,
.ductwork-install-card h3,
.ductwork-comparison strong {
  margin: 0;
  color: var(--text);
  font-size: 1.12rem;
  line-height: 1.15;
}

.ductwork-card p,
.ductwork-panel p,
.ductwork-install-card p,
.ductwork-myth-panel p,
.ductwork-flow-panel p,
.ductwork-pressure-panel p {
  margin: 0;
  color: var(--steel);
}

.ductwork-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.32);
  border-radius: var(--radius);
  background: rgba(54, 169, 255, 0.11);
  color: var(--blue);
}

.ductwork-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.ductwork-statement,
.ductwork-note,
.ductwork-quote {
  display: block;
  margin: 18px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(54, 169, 255, 0.075);
  color: var(--text);
  font-weight: 900;
}

.ductwork-note {
  margin-top: 0;
  border-left-color: rgba(197, 203, 211, 0.72);
  background: rgba(197, 203, 211, 0.055);
  color: #d8e5ef;
}

.ductwork-quote {
  border-left-color: var(--orange);
  background: rgba(255, 116, 51, 0.06);
}

.ductwork-pill-list {
  display: flex;
  flex-wrap: wrap;
  margin: 14px 0 0;
  padding: 0;
  gap: 8px;
  list-style: none;
}

.ductwork-pill-list li {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 999px;
  background: rgba(7, 10, 14, 0.52);
  color: #d7e3ed;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.ductwork-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.ductwork-flow span {
  display: grid;
  min-width: 104px;
  min-height: 58px;
  place-items: center;
  padding: 10px 12px;
  border: 1px solid rgba(54, 169, 255, 0.22);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent),
    rgba(7, 10, 14, 0.76);
  color: var(--text);
  font-weight: 900;
  line-height: 1.12;
  text-align: center;
}

.ductwork-flow i {
  position: relative;
  width: 28px;
  height: 2px;
  flex: 0 0 28px;
  background: linear-gradient(90deg, rgba(54, 169, 255, 0.15), rgba(54, 169, 255, 0.95));
}

.ductwork-flow i::after {
  position: absolute;
  top: 50%;
  right: 0;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--blue);
  border-right: 2px solid var(--blue);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.ductwork-flow-panel .ductwork-pill-list {
  margin-top: 20px;
}

.ductwork-factor-grid,
.ductwork-problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.ductwork-factor-grid span,
.ductwork-problem-list span {
  min-height: 54px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.095);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius);
  background: rgba(13, 17, 22, 0.78);
  color: var(--text);
  font-weight: 900;
}

.ductwork-pressure-panel {
  background:
    radial-gradient(circle at 70% 0, rgba(255, 116, 51, 0.07), transparent 34%),
    rgba(13, 17, 22, 0.88);
}

.ductwork-pressure-flow span {
  border-color: rgba(255, 116, 51, 0.28);
}

.ductwork-pressure-flow i,
.ductwork-pressure-flow i::after {
  color: var(--orange);
  border-color: var(--orange);
}

.ductwork-pressure-flow i {
  background: linear-gradient(90deg, rgba(255, 116, 51, 0.15), rgba(255, 116, 51, 0.95));
}

.ductwork-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ductwork-comparison article {
  min-height: 150px;
  padding: 22px;
}

.ductwork-comparison span {
  display: block;
  margin-top: 10px;
  color: var(--steel);
}

.ductwork-comparison article:first-child {
  border-color: rgba(255, 116, 51, 0.22);
  background:
    linear-gradient(135deg, rgba(255, 116, 51, 0.07), transparent 45%),
    rgba(13, 17, 22, 0.88);
}

.ductwork-photo-card {
  overflow: hidden;
  padding: 0;
  cursor: pointer;
}

.ductwork-photo-card img {
  width: 100%;
  min-height: 340px;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.ductwork-photo-card span {
  display: block;
  padding: 14px 16px;
  color: var(--steel);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.ductwork-type-grid .ductwork-card {
  min-height: 300px;
}

.ductwork-zone-flow {
  margin-top: 4px;
}

.ductwork-zone-flow span {
  min-width: 88px;
  min-height: 46px;
  font-size: 0.86rem;
}

.ductwork-install-card {
  min-height: 190px;
}

.ductwork-problems-grid {
  align-items: start;
}

.ductwork-material-grid {
  align-items: stretch;
}

.ductwork-myth-panel {
  grid-column: 1 / -1;
}

.ductwork-gallery-section .section-heading {
  max-width: 820px;
}

@media (max-width: 1120px) {
  .ductwork-system-grid,
  .ductwork-split,
  .ductwork-pressure-grid,
  .ductwork-fitting-grid,
  .ductwork-photo-split,
  .ductwork-photo-split-reverse,
  .ductwork-problems-grid {
    grid-template-columns: 1fr;
  }

  .ductwork-card-grid,
  .ductwork-type-grid,
  .ductwork-install-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ductwork-mini-card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .ductwork-two-panel-grid,
  .ductwork-material-grid,
  .ductwork-comparison {
    grid-template-columns: 1fr;
  }

  .ductwork-card,
  .ductwork-install-card {
    min-height: auto;
  }
}

@media (max-width: 700px) {
  .ductwork-hero {
    background-position: 54% center;
  }

  .ductwork-card-grid,
  .ductwork-type-grid,
  .ductwork-install-grid,
  .ductwork-factor-grid,
  .ductwork-problem-list {
    grid-template-columns: 1fr;
  }

  .ductwork-flow {
    flex-direction: column;
    align-items: stretch;
  }

  .ductwork-flow span {
    width: 100%;
    min-height: 54px;
  }

  .ductwork-flow i {
    width: 2px;
    height: 24px;
    flex: 0 0 24px;
    align-self: center;
    background: linear-gradient(180deg, rgba(54, 169, 255, 0.15), rgba(54, 169, 255, 0.95));
  }

  .ductwork-flow i::after {
    top: auto;
    right: auto;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
  }

  .ductwork-photo-card img {
    min-height: 260px;
  }
}

.hrv-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.96) 0%, rgba(7, 9, 12, 0.74) 44%, rgba(7, 9, 12, 0.38) 76%, rgba(7, 9, 12, 0.68) 100%),
    linear-gradient(180deg, rgba(7, 9, 12, 0.12), rgba(7, 9, 12, 0.82));
}

.hrv-hero-points {
  display: flex;
  flex-wrap: wrap;
  margin: 22px 0 4px;
  gap: 10px;
}

.hrv-hero-points span {
  padding: 8px 12px;
  border: 1px solid rgba(54, 169, 255, 0.24);
  border-radius: 999px;
  background: rgba(54, 169, 255, 0.08);
  color: #d7ecff;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.hrv-section {
  background:
    radial-gradient(circle at 12% 0, rgba(54, 169, 255, 0.055), transparent 34%),
    radial-gradient(circle at 88% 14%, rgba(255, 116, 51, 0.032), transparent 30%),
    var(--bg);
}

.hrv-overview-section,
.hrv-need-section,
.hrv-comparison-section,
.hrv-duct-section,
.hrv-balance-section,
.hrv-pressure-section,
.hrv-controls-section,
.hrv-winter-section,
.hrv-problems-section,
.hrv-install-section,
.hrv-residential-commercial-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent),
    var(--bg-soft);
}

.hrv-aside {
  border-color: rgba(54, 169, 255, 0.22);
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.095), transparent 48%),
    var(--panel);
}

.hrv-split,
.hrv-two-panel-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.hrv-split {
  grid-template-columns: minmax(0, 0.86fr) minmax(380px, 1.14fr);
}

.hrv-two-panel-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.hrv-visual-panel,
.hrv-feature-panel,
.hrv-icon-card,
.hrv-path-card,
.hrv-core,
.hrv-comparison-card,
.hrv-pressure-card,
.hrv-maintenance-panel,
.hrv-install-card,
.hrv-problem-tile {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #0f151b;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.24);
}

.hrv-visual-panel,
.hrv-feature-panel,
.hrv-comparison-card,
.hrv-maintenance-panel {
  padding: clamp(22px, 3vw, 32px);
}

.hrv-feature-panel {
  display: grid;
  align-content: start;
  gap: 14px;
}

.hrv-feature-panel-alt,
.hrv-comparison-card-erv {
  background:
    radial-gradient(circle at 100% 0, rgba(255, 116, 51, 0.09), transparent 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
    #11161b;
}

.hrv-feature-panel h2,
.hrv-feature-panel h3,
.hrv-comparison-card h3,
.hrv-pressure-card h3,
.hrv-install-card h3 {
  margin: 0;
}

.hrv-feature-panel p,
.hrv-icon-card p,
.hrv-path-card p,
.hrv-comparison-card p:not(.eyebrow),
.hrv-pressure-card p,
.hrv-install-card p {
  margin: 0;
  color: var(--steel);
}

.hrv-icon,
.hrv-mini-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(54, 169, 255, 0.36);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.14), rgba(54, 169, 255, 0.045));
  color: var(--blue);
}

.hrv-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
}

.hrv-mini-icon {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 7px;
}

.hrv-icon svg,
.hrv-mini-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hrv-linear-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px minmax(0, 1fr) 42px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.hrv-flow-node {
  min-height: 86px;
  display: grid;
  place-items: center;
  padding: 16px;
  border: 1px solid rgba(54, 169, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(7, 12, 17, 0.78);
  text-align: center;
}

.hrv-flow-node span {
  color: var(--text);
  font-weight: 900;
}

.hrv-flow-arrow {
  position: relative;
  display: block;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, rgba(54, 169, 255, 0.15), rgba(54, 169, 255, 0.95));
  color: var(--blue);
}

.hrv-flow-arrow::after {
  position: absolute;
  top: 50%;
  right: 0;
  width: 9px;
  height: 9px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.hrv-mini-transfer {
  margin: 4px 0;
  padding: 14px;
  border: 1px solid rgba(54, 169, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(4, 8, 12, 0.54);
}

.hrv-mini-transfer-alt {
  border-color: rgba(255, 116, 51, 0.18);
}

.hrv-airflow-diagram {
  display: grid;
  max-width: 960px;
  margin: 34px auto 0;
  gap: 14px;
}

.hrv-path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.hrv-core-row {
  display: grid;
  grid-template-columns: minmax(24px, 1fr) auto minmax(24px, 1fr);
  align-items: center;
  gap: 16px;
}

.hrv-core-row > span {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(54, 169, 255, 0.55), transparent);
}

.hrv-core {
  display: grid;
  width: min(310px, 100%);
  min-height: 124px;
  place-items: center;
  justify-self: center;
  padding: 18px 22px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0, rgba(54, 169, 255, 0.18), transparent 68%),
    #0b1117;
}

.hrv-core small {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.35;
}

.hrv-path-card {
  min-height: 156px;
  display: grid;
  align-content: start;
  padding: 24px;
  gap: 10px;
}

.hrv-path-card-exhaust {
  border-color: rgba(255, 116, 51, 0.16);
}

.hrv-path-card-exhaust .hrv-icon,
.hrv-feature-panel-alt .hrv-icon,
.hrv-comparison-card-erv .hrv-icon {
  border-color: rgba(255, 116, 51, 0.34);
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.14), rgba(255, 116, 51, 0.045));
  color: var(--orange);
}

.hrv-card-grid,
.hrv-install-grid,
.hrv-pressure-grid,
.hrv-problem-grid {
  display: grid;
  gap: 14px;
}

.hrv-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hrv-icon-card,
.hrv-install-card {
  display: grid;
  align-content: start;
  min-height: 178px;
  padding: 22px;
  gap: 12px;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.hrv-icon-card:hover,
.hrv-install-card:hover,
.hrv-problem-tile:hover,
.hrv-pressure-card:hover {
  border-color: rgba(54, 169, 255, 0.38);
  transform: translateY(-2px);
}

.hrv-comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.hrv-comparison-card {
  display: grid;
  align-content: start;
  gap: 14px;
}

.hrv-chip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.hrv-chip-grid span {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--steel);
  font-weight: 850;
}

.hrv-routing-grid,
.hrv-control-grid {
  display: grid;
  gap: 10px;
}

.hrv-routing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hrv-control-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hrv-controls-section .hrv-two-panel-grid {
  grid-template-columns: 1fr;
  width: 100%;
  max-width: 100%;
  gap: 16px;
}

.hrv-controls-section .hrv-feature-panel {
  padding-block: 24px;
}

.hrv-controls-section .hrv-control-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.hrv-controls-section .hrv-feature-panel-alt {
  grid-template-columns: minmax(220px, 0.52fr) minmax(0, 1fr);
  align-items: center;
  padding-block: 22px;
}

.hrv-controls-section .hrv-feature-panel-alt p:not(.eyebrow) {
  margin: 0;
}

.hrv-controls-section .hrv-feature-panel-alt p:not(.eyebrow):last-child {
  padding: 14px 16px;
  border: 1px solid rgba(255, 116, 51, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 116, 51, 0.045);
}

.hrv-routing-card,
.hrv-control-card {
  position: relative;
  min-width: 0;
  display: grid;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.075), transparent 48%),
    rgba(7, 12, 17, 0.72);
}

.hrv-routing-card {
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: start;
  min-height: 104px;
  padding: 14px;
}

.hrv-control-card {
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: start;
  min-height: 96px;
  padding: 14px 15px;
}

.hrv-routing-card::before,
.hrv-control-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: linear-gradient(180deg, rgba(54, 169, 255, 0.95), rgba(54, 169, 255, 0.08));
  content: "";
}

.hrv-routing-card:nth-child(3n)::before,
.hrv-routing-card:nth-child(6n)::before,
.hrv-control-card:nth-child(3n)::before,
.hrv-control-card:nth-child(6n)::before {
  background: linear-gradient(180deg, rgba(255, 116, 51, 0.82), rgba(255, 116, 51, 0.06));
}

.hrv-routing-card .hrv-mini-icon,
.hrv-control-card .hrv-mini-icon {
  width: 32px;
  height: 32px;
}

.hrv-routing-card strong,
.hrv-control-card strong {
  display: block;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.15;
}

.hrv-routing-card small,
.hrv-control-card small {
  display: block;
  margin-top: 4px;
  color: rgba(197, 203, 211, 0.82);
  font-size: 0.78rem;
  font-weight: 750;
  line-height: 1.35;
}

.hrv-statement {
  display: block;
  margin-top: 16px;
  padding: 16px 18px;
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(54, 169, 255, 0.07);
  color: var(--text);
}

.hrv-balance-visual {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px minmax(0, 1fr);
  align-items: center;
  padding: clamp(24px, 4vw, 42px);
  gap: 18px;
  border: 1px solid rgba(54, 169, 255, 0.2);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 50%, rgba(54, 169, 255, 0.14), transparent 54%),
    #0e141a;
}

.hrv-balance-visual > div {
  display: grid;
  min-height: 132px;
  place-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 10, 14, 0.74);
  text-align: center;
}

.hrv-balance-visual span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hrv-balance-visual strong {
  color: var(--text);
  font-size: 2rem;
}

.hrv-balance-center {
  width: 74px;
  height: 74px;
  justify-self: center;
  border-radius: 999px;
}

.hrv-pressure-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hrv-pressure-card {
  display: grid;
  min-height: 168px;
  align-content: start;
  padding: 22px;
  gap: 12px;
  transition: border-color 180ms ease, transform 180ms ease;
}

.hrv-maintenance-panel {
  display: grid;
  min-height: 260px;
  align-content: center;
  justify-items: start;
  gap: 18px;
}

.hrv-maintenance-panel h3 {
  max-width: 420px;
  margin: 0;
  font-size: 1.55rem;
}

.hrv-problem-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.hrv-problem-tile {
  min-height: 82px;
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 12px;
  transition: border-color 180ms ease, transform 180ms ease;
}

.hrv-problem-tile strong {
  line-height: 1.18;
}

.hrv-mini-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.hrv-mini-compare > div {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 10, 14, 0.58);
}

.hrv-mini-compare p {
  color: var(--steel);
}

.hrv-install-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hrv-gallery-section .section-heading {
  max-width: 760px;
}

@media (max-width: 1120px) {
  .hrv-card-grid,
  .hrv-install-grid,
  .hrv-routing-grid,
  .hrv-problem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hrv-controls-section .hrv-control-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hrv-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .hrv-two-panel-grid,
  .hrv-comparison-grid,
  .hrv-pressure-grid {
    grid-template-columns: 1fr;
  }

  .hrv-path-grid {
    grid-template-columns: 1fr;
  }

  .hrv-path-card {
    min-height: auto;
  }

  .hrv-balance-visual {
    grid-template-columns: 1fr;
  }

  .hrv-balance-center {
    transform: rotate(90deg);
  }

  .hrv-controls-section .hrv-feature-panel-alt {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .hrv-hero {
    background-position: 54% center;
  }

  .hrv-hero-points {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .hrv-linear-flow {
    grid-template-columns: 1fr;
  }

  .hrv-core-row {
    grid-template-columns: 1fr;
  }

  .hrv-core-row > span {
    width: 1px;
    height: 22px;
    justify-self: center;
    background: linear-gradient(180deg, transparent, rgba(54, 169, 255, 0.55), transparent);
  }

  .hrv-flow-arrow {
    width: 2px;
    height: 28px;
    justify-self: center;
    background: linear-gradient(180deg, rgba(54, 169, 255, 0.15), rgba(54, 169, 255, 0.95));
  }

  .hrv-flow-arrow::after {
    top: auto;
    right: auto;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
  }

  .hrv-card-grid,
  .hrv-install-grid,
  .hrv-problem-grid,
  .hrv-routing-grid,
  .hrv-control-grid,
  .hrv-chip-grid,
  .hrv-mini-compare {
    grid-template-columns: 1fr;
  }

  .hrv-controls-section .hrv-control-grid {
    grid-template-columns: 1fr;
  }

  .hrv-visual-panel,
  .hrv-feature-panel,
  .hrv-comparison-card,
  .hrv-maintenance-panel {
    padding: 20px;
  }

  .hrv-flow-node {
    min-height: 72px;
  }

  .hrv-problem-tile {
    min-height: 72px;
  }
}

.gas-line-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.98) 0%, rgba(7, 9, 12, 0.84) 42%, rgba(7, 9, 12, 0.48) 72%, rgba(7, 9, 12, 0.68) 100%),
    linear-gradient(180deg, rgba(7, 9, 12, 0.16), rgba(7, 9, 12, 0.88));
}

.gas-line-section {
  background:
    radial-gradient(circle at 10% 0, rgba(54, 169, 255, 0.05), transparent 30%),
    radial-gradient(circle at 92% 12%, rgba(255, 116, 51, 0.045), transparent 34%),
    var(--bg);
}

.gas-line-overview-section,
.gas-line-design-section,
.gas-line-project-types-section,
.gas-line-testing-section,
.gas-line-complete-section,
.gas-line-materials-section,
.gas-line-leak-section,
.gas-line-capability-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent),
    var(--bg-soft);
}

.gas-line-split,
.gas-line-photo-split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 34px;
  align-items: center;
}

.gas-line-photo-split {
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
}

.gas-line-design-section .section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.gas-design-layout {
  grid-template-columns: minmax(0, 0.94fr) minmax(500px, 1.06fr);
  gap: clamp(34px, 4vw, 56px);
  align-items: stretch;
}

.gas-design-factors,
.gas-design-diagram {
  min-width: 0;
}

.gas-design-diagram {
  display: grid;
  align-self: stretch;
  gap: 16px;
}

.gas-line-split > article p:not(.eyebrow),
.gas-line-photo-split > article p:not(.eyebrow) {
  max-width: 670px;
}

.gas-line-aside {
  border-color: rgba(255, 116, 51, 0.2);
  background:
    linear-gradient(135deg, rgba(255, 116, 51, 0.08), transparent 48%),
    var(--panel);
}

.gas-application-grid,
.gas-technical-grid,
.gas-material-grid,
.gas-factor-grid,
.gas-problem-grid {
  display: grid;
  gap: 14px;
}

.gas-application-grid,
.gas-technical-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gas-material-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gas-factor-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
}

.gas-line-design-section .gas-factor-grid {
  gap: 14px;
  margin-top: 0;
}

.gas-problem-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.gas-line-card,
.gas-line-panel,
.gas-factor,
.gas-flow-panel,
.gas-process-panel,
.gas-trigger-panel,
.gas-review-panel,
.gas-system-map,
.gas-photo-panel,
.gas-safety-panel,
.gas-problem-tile {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    var(--panel);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.24);
}

.gas-line-card,
.gas-line-panel,
.gas-factor,
.gas-review-panel,
.gas-problem-tile {
  padding: 22px;
}

.gas-line-design-section .gas-factor {
  display: grid;
  min-height: 152px;
  align-content: start;
  gap: 8px;
  padding: 18px 20px;
  border-color: rgba(255, 255, 255, 0.11);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent),
    #12181f;
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.2);
}

.gas-line-card:hover,
.gas-line-panel:hover,
.gas-problem-tile:hover {
  border-color: rgba(54, 169, 255, 0.38);
  transform: translateY(-2px);
}

.gas-line-card,
.gas-line-panel,
.gas-problem-tile {
  transition: border-color 180ms ease, transform 180ms ease;
}

.gas-line-card h3,
.gas-line-panel h3,
.gas-review-panel h3 {
  margin-top: 14px;
  font-size: 1.12rem;
}

.gas-line-card p,
.gas-line-panel p,
.gas-factor small,
.gas-system-map small,
.gas-photo-panel figcaption {
  color: var(--steel);
}

.gas-line-design-section .gas-factor strong {
  display: block;
  color: #fff;
  font-size: 1rem;
  line-height: 1.15;
}

.gas-line-design-section .gas-factor small {
  color: rgba(197, 203, 211, 0.88);
  font-size: 0.88rem;
  line-height: 1.45;
}

.gas-line-icon,
.gas-mini-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(54, 169, 255, 0.34);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.13), rgba(54, 169, 255, 0.045));
  color: var(--blue);
}

.gas-line-icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

.gas-line-design-section .gas-factor .gas-line-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 2px;
}

.gas-mini-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border-radius: 7px;
}

.gas-line-panel-warm .gas-line-icon,
.gas-line-card:nth-child(3n) .gas-line-icon,
.gas-problem-tile:nth-child(4n) .gas-mini-icon,
.gas-flow-step-warm .gas-line-icon {
  border-color: rgba(255, 116, 51, 0.35);
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.15), rgba(255, 116, 51, 0.045));
  color: var(--orange);
}

.gas-line-icon svg,
.gas-mini-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.gas-mini-icon svg {
  width: 18px;
  height: 18px;
}

.gas-line-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  color: var(--steel);
}

.gas-line-list li {
  position: relative;
  padding-left: 18px;
}

.gas-line-list li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
}

.gas-line-panel-warm .gas-line-list li::before,
.gas-safety-panel .gas-line-list li::before {
  background: var(--orange);
}

.gas-flow-panel,
.gas-process-panel {
  display: grid;
  align-items: center;
  justify-items: center;
  padding: 24px;
  gap: 12px;
}

.gas-flow-panel {
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
}

.gas-line-design-section .gas-flow-panel {
  min-height: 214px;
  grid-template-columns: minmax(92px, 1fr) 28px minmax(92px, 1fr) 28px minmax(92px, 1fr) 28px minmax(92px, 1fr);
  gap: 16px;
  padding: 32px 30px;
  background:
    radial-gradient(circle at 22% 16%, rgba(54, 169, 255, 0.09), transparent 32%),
    radial-gradient(circle at 88% 20%, rgba(255, 116, 51, 0.07), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    #12181f;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
}

.gas-process-panel {
  grid-template-columns: repeat(5, auto);
  min-height: 180px;
}

.gas-flow-step,
.gas-process-step {
  display: grid;
  min-width: 0;
  justify-items: center;
  gap: 10px;
  text-align: center;
}

.gas-flow-step strong,
.gas-process-step strong {
  line-height: 1.2;
}

.gas-line-design-section .gas-flow-step {
  min-height: 118px;
  align-content: center;
  gap: 12px;
}

.gas-line-design-section .gas-flow-step .gas-line-icon {
  width: 44px;
  height: 44px;
}

.gas-line-design-section .gas-flow-step strong {
  max-width: 116px;
  color: #fff;
  font-size: 1rem;
}

.gas-flow-arrow {
  color: var(--blue);
  font-size: 1.5rem;
  font-weight: 900;
}

.gas-line-design-section .gas-flow-arrow {
  align-self: center;
  opacity: 0.95;
}

.gas-flow-callout {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  overflow: hidden;
  min-height: 76px;
  padding: 14px 17px 14px 20px;
  border: 1px solid rgba(255, 116, 51, 0.22);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(255, 116, 51, 0.075), rgba(54, 169, 255, 0.035)),
    rgba(17, 23, 29, 0.92);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.18);
}

.gas-flow-callout::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--orange), rgba(255, 116, 51, 0.25));
  content: "";
}

.gas-flow-callout .gas-mini-icon {
  border-color: rgba(255, 116, 51, 0.35);
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.16), rgba(255, 116, 51, 0.05));
  color: var(--orange);
}

.gas-flow-callout strong {
  display: block;
  color: #fff;
  font-size: 0.98rem;
  line-height: 1.25;
}

.gas-flow-callout p {
  margin: 4px 0 0;
  color: rgba(197, 203, 211, 0.88);
  font-size: 0.9rem;
  line-height: 1.4;
}

.gas-line-note,
.gas-summary-line {
  border: 1px solid rgba(54, 169, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(54, 169, 255, 0.06);
  color: var(--steel);
}

.gas-line-note {
  margin-top: 20px;
  padding: 15px 16px;
}

.gas-summary-line {
  margin: 22px auto 0;
  max-width: 880px;
  padding: 16px 18px;
  text-align: center;
}

.gas-line-capacity-section .section-heading {
  margin-bottom: 24px;
}

.gas-line-capacity-section .button {
  margin-top: 0;
}

.gas-trigger-panel,
.gas-problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 20px;
}

.gas-line-capacity-section .gas-trigger-panel {
  align-self: center;
  gap: 14px;
  padding: 22px;
  border-color: rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background:
    radial-gradient(circle at 86% 8%, rgba(255, 116, 51, 0.055), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent),
    rgba(18, 24, 31, 0.98);
  box-shadow: none;
}

.gas-trigger-card,
.gas-performance-card {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.gas-trigger-card {
  gap: 14px;
  min-height: 72px;
  padding: 12px 15px;
  border-color: rgba(255, 255, 255, 0.15);
  background:
    linear-gradient(145deg, rgba(255, 116, 51, 0.055), transparent 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent),
    rgba(255, 255, 255, 0.04);
  transition: border-color 180ms ease, background 180ms ease;
}

.gas-trigger-card:hover {
  border-color: rgba(255, 116, 51, 0.34);
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.075), transparent),
    rgba(255, 255, 255, 0.04);
}

.gas-trigger-card .gas-mini-icon {
  width: 50px;
  height: 50px;
  border-color: rgba(255, 116, 51, 0.34);
  border-radius: 9px;
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.18), rgba(255, 116, 51, 0.055));
  color: #ff8a4f;
}

.gas-trigger-card:hover .gas-mini-icon {
  border-color: rgba(255, 116, 51, 0.42);
  color: var(--orange);
}

.gas-trigger-card .gas-mini-icon svg {
  width: 30px;
  height: 30px;
  stroke-width: 2.05;
}

.gas-trigger-card strong {
  color: #fff;
  font-size: 1rem;
  line-height: 1.24;
}

.gas-line-performance-section .gas-problem-list {
  align-self: center;
  gap: 14px;
  padding: 0;
}

.gas-performance-card {
  gap: 14px;
  min-height: 76px;
  padding: 13px 16px;
  border-color: rgba(255, 255, 255, 0.15);
  background:
    linear-gradient(145deg, rgba(54, 169, 255, 0.065), transparent 48%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent),
    rgba(255, 255, 255, 0.04);
  transition:
    border-color 180ms ease,
    background 180ms ease;
}

.gas-performance-card:hover {
  border-color: rgba(54, 169, 255, 0.36);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.08), transparent),
    rgba(255, 255, 255, 0.045);
}

.gas-performance-card .gas-mini-icon {
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  border-color: rgba(54, 169, 255, 0.34);
  border-radius: 9px;
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.18), rgba(54, 169, 255, 0.055));
  color: var(--blue);
}

.gas-performance-card:hover .gas-mini-icon {
  border-color: rgba(54, 169, 255, 0.48);
  color: #64c5ff;
}

.gas-performance-card .gas-mini-icon svg {
  width: 30px;
  height: 30px;
  stroke-width: 2.05;
}

.gas-performance-card strong {
  color: #fff;
  font-size: 1rem;
  line-height: 1.24;
}

.gas-dual-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.gas-line-panel {
  min-height: 100%;
}

.gas-line-panel-warm {
  border-color: rgba(255, 116, 51, 0.22);
  background:
    linear-gradient(135deg, rgba(255, 116, 51, 0.08), transparent 48%),
    var(--panel);
}

.gas-line-panel .button {
  margin-top: 18px;
}

.gas-system-map {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  padding: 18px;
}

.gas-system-map article {
  display: grid;
  min-height: 156px;
  align-content: start;
  gap: 9px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.gas-photo-panel {
  overflow: hidden;
  margin: 0;
}

.gas-photo-panel img {
  width: 100%;
  height: min(56vw, 520px);
  min-height: 360px;
  object-fit: cover;
}

.gas-photo-panel figcaption {
  padding: 13px 16px 16px;
  font-size: 0.9rem;
}

.gas-line-photo-split blockquote {
  margin: 24px 0 0;
  padding: 22px;
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: rgba(255, 116, 51, 0.06);
  color: var(--text);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 900;
  line-height: 1.08;
}

.gas-safety-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 28px;
  border-color: rgba(255, 116, 51, 0.34);
  background:
    linear-gradient(90deg, rgba(255, 116, 51, 0.12), transparent 62%),
    var(--panel);
}

.gas-safety-panel h2 {
  margin-bottom: 12px;
}

.gas-review-panel {
  border-color: rgba(54, 169, 255, 0.28);
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.08), transparent 52%),
    var(--panel);
}

.gas-problem-tile {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.gas-problem-tile small {
  display: block;
  margin-bottom: 3px;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.gas-line-work-section {
  background: var(--bg);
}

@media (max-width: 1120px) {
  .gas-application-grid,
  .gas-technical-grid,
  .gas-material-grid,
  .gas-system-map,
  .gas-problem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gas-flow-panel {
    grid-template-columns: 1fr;
  }

  .gas-flow-panel .gas-flow-arrow {
    transform: rotate(90deg);
  }

  .gas-design-layout {
    grid-template-columns: 1fr;
  }

  .gas-line-design-section .gas-factor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gas-line-design-section .gas-flow-panel {
    grid-template-columns: minmax(92px, 1fr) 28px minmax(92px, 1fr) 28px minmax(92px, 1fr) 28px minmax(92px, 1fr);
  }

  .gas-line-design-section .gas-flow-panel .gas-flow-arrow {
    transform: none;
  }

  .water-heating-options-grid,
  .water-selection-grid,
  .water-sign-grid,
  .water-install-grid,
  .water-maintenance-grid,
  .water-problem-grid,
  .water-brand-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .water-flow-panel {
    grid-template-columns: 1fr;
  }

  .water-flow-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 920px) {
  .gas-line-split,
  .gas-line-photo-split,
  .gas-dual-panel {
    grid-template-columns: 1fr;
  }

  .gas-photo-panel img {
    height: auto;
  }

  .gas-line-design-section .gas-flow-panel {
    padding: 28px 24px;
  }

  .water-split-grid,
  .water-dual-panel,
  .water-comparison-grid,
  .water-boiler-vs-grid {
    grid-template-columns: 1fr;
  }

  .water-scale-panel {
    max-width: none;
    justify-self: stretch;
  }
}

@media (max-width: 680px) {
  .gas-application-grid,
  .gas-technical-grid,
  .gas-material-grid,
  .gas-factor-grid,
  .gas-problem-grid,
  .gas-trigger-panel,
  .gas-problem-list,
  .gas-system-map {
    grid-template-columns: 1fr;
  }

  .gas-line-card,
  .gas-line-panel,
  .gas-flow-panel,
  .gas-process-panel,
  .gas-trigger-panel,
  .gas-review-panel,
  .gas-safety-panel,
  .gas-system-map,
  .gas-photo-panel,
  .gas-factor,
  .gas-problem-tile {
    padding: 20px;
  }

  .gas-process-panel {
    grid-template-columns: 1fr;
  }

  .gas-process-panel .gas-flow-arrow {
    transform: rotate(90deg);
  }

  .gas-line-design-section .section-heading {
    margin-bottom: 22px;
  }

  .gas-line-design-section .gas-factor-grid {
    grid-template-columns: 1fr;
  }

  .gas-line-design-section .gas-factor {
    min-height: 0;
    padding: 18px;
  }

  .gas-line-design-section .gas-flow-panel {
    grid-template-columns: 1fr;
    gap: 12px;
    min-height: 0;
    padding: 22px;
  }

  .gas-line-design-section .gas-flow-panel .gas-flow-arrow {
    transform: rotate(90deg);
  }

  .gas-line-design-section .gas-flow-step {
    min-height: 86px;
  }

  .gas-flow-callout {
    align-items: flex-start;
    min-height: 0;
    padding: 14px 15px 14px 18px;
  }

  .gas-safety-panel {
    grid-template-columns: 1fr;
  }

  .gas-line-photo-split blockquote {
    font-size: 1.35rem;
  }

  .water-heating-options-grid,
  .water-selection-grid,
  .water-sign-grid,
  .water-install-grid,
  .water-maintenance-grid,
  .water-safety-list,
  .water-chip-grid,
  .water-chip-panel,
  .water-problem-grid,
  .water-brand-strip {
    grid-template-columns: 1fr;
  }

  .water-option-card,
  .water-technical-card,
  .water-comparison-card,
  .water-purpose-card,
  .water-maintenance-card,
  .water-dual-panel article,
  .water-flow-panel,
  .water-chip-panel,
  .water-safety-list,
  .water-scale-panel {
    padding: 20px;
  }

  .water-option-card,
  .water-comparison-card,
  .water-flow-step {
    min-height: auto;
  }
}

.faq-section {
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.04), transparent),
    var(--bg);
}

.faq-shell {
  max-width: 1050px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent),
    var(--panel);
  overflow: hidden;
}

.faq-item[open] {
  border-color: rgba(54, 169, 255, 0.42);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 18px 22px;
  color: var(--text);
  cursor: pointer;
  font-weight: 900;
  line-height: 1.25;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  display: grid;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.38);
  border-radius: 50%;
  color: var(--blue);
  content: "+";
  font-size: 1rem;
  font-weight: 900;
  line-height: 1;
}

.faq-item[open] summary::before {
  content: "-";
}

.faq-item summary:hover {
  color: var(--blue);
}

.faq-item p {
  max-width: 870px;
  margin: 0;
  padding: 0 26px 24px 60px;
  color: var(--muted);
  font-size: 1rem;
}

.faq-item[open] p {
  animation: faq-reveal 180ms ease;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.capability-grid div {
  display: grid;
  min-height: 150px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  gap: 8px;
}

.capability-grid strong {
  color: var(--text);
  font-size: 1.05rem;
}

.capability-grid span {
  color: var(--muted);
}

.about-card,
.contact-info,
.form-panel {
  padding: 28px;
  background: var(--panel);
}

.about-card,
.contact-info {
  display: grid;
  gap: 12px;
}

.about-card a,
.contact-info a {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 850;
}

.about-card span,
.contact-info span {
  color: var(--muted);
}

.contact-grid {
  grid-template-columns: 340px minmax(0, 1fr);
}

.quote-form-panel {
  scroll-margin-top: 110px;
}

.contact-form {
  display: grid;
  gap: 17px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.form-honeypot {
  display: none !important;
}

.contact-form label span,
.radio-row legend,
.address-section legend {
  color: var(--steel);
  font-size: 0.9rem;
  font-weight: 850;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #090d11;
  color: var(--text);
}

.contact-form textarea {
  resize: vertical;
}

.about-hero {
  min-height: clamp(540px, 78svh, 680px);
  padding: 110px 0 50px;
  background-position: center right;
}

.about-hero::before {
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.98) 0%, rgba(7, 9, 12, 0.9) 36%, rgba(7, 9, 12, 0.42) 68%, rgba(7, 9, 12, 0.74) 100%),
    linear-gradient(180deg, rgba(7, 9, 12, 0.1), rgba(7, 9, 12, 0.84));
}

.about-hero-grid {
  display: grid;
  min-height: clamp(430px, 62svh, 560px);
  align-items: end;
}

.about-hero-copy {
  max-width: 760px;
}

.about-hero-copy h1 {
  max-width: 720px;
}

.about-hero-copy p:not(.eyebrow) {
  max-width: 680px;
}

.about-hero .button-row {
  margin-top: 24px;
}

.about-hero-panel {
  display: flex;
  flex-wrap: wrap;
  width: min(100%, 700px);
  margin-top: 22px;
  gap: 10px;
}

.about-hero-panel span {
  position: relative;
  flex: 0 1 auto;
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 9, 12, 0.66);
  color: var(--text);
  font-size: 0.95rem;
  backdrop-filter: blur(10px);
}

.about-hero-panel span + span {
  border-left: 1px solid var(--line);
}

.about-hero-panel span::before {
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
}

.about-intro-section,
.about-approach-section,
.about-capabilities-section,
.about-work-section,
.about-workmanship-section,
.about-technical-section,
.about-process-section,
.about-info-section,
.about-values-section,
.about-instagram-section {
  padding: 76px 0;
}

.about-intro-section {
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.055), transparent 42%),
    var(--bg);
}

.about-section-copy {
  max-width: 700px;
}

.about-section-copy p:not(.eyebrow) {
  max-width: 670px;
}

.about-section-copy p:last-child {
  margin-bottom: 0;
}

.about-intro-grid,
.about-feature-grid,
.about-technical-grid,
.about-info-grid {
  display: grid;
  align-items: center;
  gap: 52px;
}

.about-intro-grid {
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1fr);
}

.about-intro-photo,
.about-feature-photo {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #05080b;
  box-shadow: var(--shadow);
}

.about-intro-photo {
  max-width: 500px;
  justify-self: end;
  aspect-ratio: 4 / 5;
}

.about-intro-photo::before,
.about-feature-photo::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.42)),
    linear-gradient(90deg, rgba(54, 169, 255, 0.12), transparent 28%);
  content: "";
  pointer-events: none;
}

.about-intro-photo img,
.about-feature-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-intro-photo figcaption {
  position: absolute;
  z-index: 2;
  bottom: 26px;
  left: 26px;
  width: min(78%, 390px);
  max-width: calc(100% - 52px);
  padding: 18px 20px 18px 28px;
  border: 1px solid rgba(128, 167, 195, 0.24);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.08), transparent 36%),
    rgba(10, 15, 20, 0.82);
  color: var(--text);
  box-shadow:
    0 18px 34px rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(54, 169, 255, 0.04);
  backdrop-filter: blur(10px) saturate(120%);
}

.about-intro-photo figcaption::before {
  position: absolute;
  top: 17px;
  bottom: 17px;
  left: 14px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(116, 205, 255, 0.92), rgba(54, 169, 255, 0.42));
  box-shadow: 0 0 14px rgba(54, 169, 255, 0.28);
  content: "";
}

.about-intro-photo figcaption::after {
  position: absolute;
  z-index: -1;
  top: 16px;
  bottom: 16px;
  left: -20px;
  width: 60px;
  background: radial-gradient(circle at left center, rgba(54, 169, 255, 0.18), transparent 68%);
  content: "";
  pointer-events: none;
}

.about-intro-photo.reveal figcaption {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 240ms ease 90ms, transform 260ms ease 90ms;
}

.about-intro-photo.reveal.is-visible figcaption {
  opacity: 1;
  transform: translateY(0);
}

.about-caption-label {
  display: block;
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.about-caption-quote {
  display: block;
  color: rgba(248, 250, 252, 0.86);
  font-size: clamp(1rem, 1.2vw, 1.24rem);
  font-weight: 700;
  line-height: 1.28;
}

.about-caption-quote strong,
.about-caption-quote span {
  display: block;
}

.about-caption-quote strong {
  color: var(--text);
  font-weight: 950;
}

.about-approach-section {
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.035), transparent 44%),
    var(--bg-soft);
}

.about-approach-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.34fr) minmax(0, 0.66fr);
  align-items: start;
  gap: 36px;
}

.about-sticky-copy {
  position: sticky;
  top: 112px;
}

.about-principles-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 0;
  gap: 14px;
}

.about-principle-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  gap: 12px;
  transition: border-color 180ms ease, background 180ms ease;
}

.about-principle-row:hover {
  border-color: rgba(54, 169, 255, 0.34);
  background: rgba(54, 169, 255, 0.025);
}

.about-principle-number {
  color: var(--blue);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 0.95;
}

.about-principle-row h3 {
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.about-principle-row p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.about-principle-row .text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--blue);
  font-weight: 900;
}

.about-chip-list,
.about-service-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 40px;
  margin: 16px 0 0;
  padding: 0;
  gap: 8px;
  list-style: none;
}

.about-chip-list li,
.about-service-tags li {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: 100%;
  padding: 6px 12px;
  border: 1px solid rgba(54, 169, 255, 0.26);
  border-radius: 999px;
  background: rgba(9, 14, 19, 0.78);
  color: rgba(235, 241, 247, 0.9);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.05;
  text-align: center;
  text-transform: uppercase;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.about-chip-list li:hover,
.about-service-tags li:hover {
  border-color: rgba(54, 169, 255, 0.42);
  background: rgba(54, 169, 255, 0.07);
  color: var(--text);
}

.about-closing-line {
  margin: 26px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 900;
}

.about-capability-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 22px;
}

.about-capability-panel {
  display: grid;
  overflow: hidden;
  grid-template-rows: clamp(260px, 26vw, 340px) auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(54, 169, 255, 0.08), transparent 40%),
    var(--panel);
}

.about-capability-panel-warm {
  background:
    linear-gradient(180deg, rgba(255, 116, 51, 0.075), transparent 40%),
    var(--panel);
}

.about-capability-panel img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
}

.about-capability-image-rtu {
  object-position: center 42%;
}

.about-capability-panel > div {
  display: flex;
  flex-direction: column;
  padding: 26px;
  gap: 13px;
}

.about-capability-panel h3 {
  max-width: 500px;
  font-size: 1.36rem;
}

.about-capability-panel p {
  max-width: 560px;
  margin-bottom: 0;
}

.about-service-tags {
  margin: 2px 0 8px;
}

.about-capability-panel .button {
  width: 100%;
  margin-top: 8px;
}

.about-work-section {
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.06), transparent 35%),
    var(--bg-soft);
}

.about-work-header,
.about-instagram-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 24px;
}

.about-work-header .section-heading,
.about-instagram-header p:last-child {
  margin-bottom: 0;
}

.about-work-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr) minmax(0, 0.8fr);
  grid-template-rows: repeat(2, minmax(180px, 230px));
  gap: 14px;
}

.about-work-item {
  position: relative;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #05070a;
  cursor: zoom-in;
  text-align: left;
}

.about-work-item:nth-child(1) {
  grid-row: 1 / span 2;
}

.about-work-item:nth-child(4) {
  grid-column: 2 / span 2;
}

.about-work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.about-work-item:hover img,
.instagram-tile:hover img {
  transform: scale(1.035);
}

.about-work-item::after,
.instagram-tile::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(0, 0, 0, 0.86));
  content: "";
}

.about-work-item span,
.instagram-tile span {
  position: absolute;
  z-index: 2;
  right: 14px;
  bottom: 13px;
  left: 14px;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.about-workmanship-section {
  background:
    linear-gradient(135deg, rgba(255, 116, 51, 0.055), transparent 42%),
    var(--bg);
}

.about-feature-grid {
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
}

.about-feature-photo {
  aspect-ratio: 5 / 4;
}

.about-feature-copy {
  max-width: 620px;
}

.workmanship-list {
  display: grid;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.workmanship-list li {
  display: flex;
  align-items: center;
  min-height: 48px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-weight: 900;
  gap: 12px;
}

.workmanship-list li span {
  position: relative;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border: 1px solid rgba(54, 169, 255, 0.52);
}

.workmanship-list li span::before {
  position: absolute;
  top: 8px;
  left: 4px;
  width: 8px;
  height: 2px;
  background: var(--blue);
  content: "";
}

.about-feature-copy blockquote {
  margin: 28px 0 0;
  padding: 22px 24px;
  border-left: 4px solid var(--blue);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1.32rem;
  font-weight: 900;
  line-height: 1.22;
}

.about-technical-section {
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.06), transparent 44%),
    var(--bg-soft);
}

.about-technical-grid {
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
}

.about-technical-grid .button {
  margin-top: 10px;
}

.technical-callouts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.technical-callout {
  display: grid;
  align-content: space-between;
  min-height: 116px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.08), rgba(255, 255, 255, 0.02)),
    var(--panel);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.technical-callout:hover {
  border-color: rgba(54, 169, 255, 0.34);
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.12), rgba(255, 255, 255, 0.025)),
    var(--panel);
  transform: translateY(-2px);
}

.technical-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(128, 167, 195, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(54, 169, 255, 0.1), rgba(6, 12, 18, 0.62)),
    rgba(8, 15, 22, 0.7);
  color: var(--blue);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 0 18px rgba(54, 169, 255, 0.08);
  transition: border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.technical-icon svg {
  width: 22px;
  height: 22px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.technical-callout:hover .technical-icon {
  border-color: rgba(54, 169, 255, 0.4);
  color: #74cdff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 20px rgba(54, 169, 255, 0.14);
}

.technical-callout h3 {
  margin: 20px 0 0;
  font-size: 1rem;
}

.about-process-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
}

.about-process-grid::before {
  position: absolute;
  top: 30px;
  right: 8%;
  left: 8%;
  height: 1px;
  background: linear-gradient(90deg, rgba(54, 169, 255, 0.7), rgba(255, 116, 51, 0.4));
  content: "";
}

.about-process-step {
  position: relative;
  padding: 0 16px 0 0;
}

.about-process-step > span {
  position: relative;
  z-index: 1;
  display: grid;
  width: 60px;
  height: 60px;
  margin-bottom: 18px;
  place-items: center;
  border: 1px solid rgba(54, 169, 255, 0.42);
  border-radius: 999px;
  background: var(--bg);
  color: var(--blue);
  font-weight: 900;
}

.about-process-step h3 {
  margin-bottom: 7px;
  font-size: 1rem;
}

.about-process-step p {
  max-width: 180px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.about-info-section {
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.055), transparent 46%),
    var(--bg-soft);
}

.about-info-grid {
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
  align-items: stretch;
  gap: 18px;
}

.about-contact-panel,
.about-area-panel,
.about-brands-link {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.about-contact-panel,
.about-area-panel {
  padding: 30px;
}

.about-contact-panel dl {
  display: grid;
  margin: 24px 0;
  gap: 12px;
}

.about-contact-panel dl div {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.about-contact-panel dt {
  color: var(--muted-2);
  font-weight: 850;
}

.about-contact-panel dd {
  margin: 0;
  color: var(--text);
  font-weight: 850;
}

.about-contact-panel a {
  color: var(--text);
}

.about-area-panel {
  background:
    linear-gradient(135deg, rgba(54, 169, 255, 0.08), transparent 46%),
    var(--panel);
}

.about-area-panel h2 {
  max-width: 740px;
  font-size: 2rem;
}

.about-area-cloud {
  margin-top: 24px;
}

.about-values-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-value {
  min-height: 190px;
  padding: 26px 24px;
  border-right: 1px solid var(--line);
}

.about-value:last-child {
  border-right: 0;
}

.about-value > span {
  display: block;
  margin-bottom: 32px;
  color: var(--blue);
  font-size: 0.84rem;
  font-weight: 900;
}

.about-value h3 {
  font-size: 1.25rem;
}

.about-value p {
  margin-bottom: 0;
}

.about-brands-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
  margin-top: 22px;
  padding: 24px 28px 24px 32px;
  gap: 24px;
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.11), rgba(255, 116, 51, 0.035)),
    var(--panel);
}

.about-brands-link::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--blue);
  content: "";
}

.about-brands-link h2 {
  max-width: 720px;
  margin-bottom: 6px;
  font-size: 1.55rem;
}

.about-brands-link p:last-child {
  max-width: 640px;
  margin-bottom: 0;
}

.about-instagram-section {
  background:
    linear-gradient(90deg, rgba(54, 169, 255, 0.045), transparent 46%),
    #090d11;
}

.about-instagram-header h2 {
  font-size: clamp(2rem, 4.4vw, 3.3rem);
}

.instagram-preview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.instagram-tile {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #05070a;
}

.instagram-tile::before {
  position: absolute;
  z-index: 2;
  top: 14px;
  right: 14px;
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.86);
  border-radius: 8px;
  opacity: 0;
  content: "";
  transition: opacity 180ms ease;
}

.instagram-tile:hover::before {
  opacity: 1;
}

.instagram-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.about-final-cta {
  padding: 90px 0;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(7, 9, 12, 0.96), rgba(7, 9, 12, 0.82) 52%, rgba(7, 9, 12, 0.68)),
    linear-gradient(135deg, rgba(54, 169, 255, 0.18), rgba(255, 116, 51, 0.08)),
    url("/assets/work/commercial-hvac-03.webp") center / cover;
}

.about-final-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, auto);
  align-items: center;
  gap: 34px;
}

.about-final-shell h2 {
  max-width: 740px;
}

.about-final-shell p:last-child {
  max-width: 760px;
  margin-bottom: 0;
}

@media (max-width: 1120px) {
  .about-principles-list {
    grid-template-columns: 1fr;
  }

  .about-process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 18px;
  }

  .about-process-grid::before {
    display: none;
  }

  .about-work-grid {
    grid-template-rows: repeat(2, minmax(170px, 210px));
  }

  .about-values-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-value:nth-child(2) {
    border-right: 0;
  }

  .about-value:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 920px) {
  .about-intro-grid,
  .about-approach-grid,
  .about-feature-grid,
  .about-technical-grid,
  .about-info-grid,
  .about-final-shell,
  .about-capability-split {
    grid-template-columns: 1fr;
  }

  .about-sticky-copy {
    position: static;
  }

  .about-intro-photo {
    justify-self: start;
    width: min(100%, 560px);
  }

  .about-capability-panel {
    min-height: auto;
    grid-template-rows: auto auto;
  }

  .about-capability-panel img {
    max-height: 280px;
  }

  .about-capability-panel .button {
    margin-top: 18px;
  }

  .technical-callouts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-work-header,
  .about-instagram-header,
  .about-brands-link {
    align-items: flex-start;
    flex-direction: column;
  }

  .instagram-preview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-final-shell {
    justify-items: start;
  }
}

@media (max-width: 700px) {
  .page-about main {
    padding-bottom: 86px;
  }

  .about-hero {
    min-height: auto;
    padding: 74px 0 84px;
    background-position: 60% center;
  }

  .about-hero-grid {
    min-height: auto;
  }

  .about-hero-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 14px;
    gap: 6px;
  }

  .about-hero-panel span + span {
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .about-hero-panel span {
    min-height: 44px;
    justify-content: center;
    padding: 7px 6px;
    font-size: 0.7rem;
    line-height: 1.14;
    text-align: center;
  }

  .about-hero-panel span::before {
    display: none;
  }

  .about-hero .button-row {
    margin-top: 18px;
  }

  .about-intro-section,
  .about-approach-section,
  .about-capabilities-section,
  .about-work-section,
  .about-workmanship-section,
  .about-technical-section,
  .about-process-section,
  .about-info-section,
  .about-values-section,
  .about-instagram-section {
    padding: 56px 0;
  }

  .about-intro-grid,
  .about-approach-grid,
  .about-feature-grid,
  .about-technical-grid,
  .about-info-grid {
    gap: 30px;
  }

  .about-intro-photo,
  .about-feature-photo {
    aspect-ratio: 4 / 3;
  }

  .about-intro-photo,
  .about-feature-photo {
    max-height: 300px;
  }

  .about-intro-photo figcaption {
    bottom: 14px;
    left: 14px;
    width: min(84%, 320px);
    max-width: calc(100% - 28px);
    padding: 13px 14px 13px 22px;
    border-radius: 9px;
  }

  .about-intro-photo figcaption::before {
    top: 13px;
    bottom: 13px;
    left: 11px;
    width: 2px;
  }

  .about-caption-label {
    margin-bottom: 6px;
    font-size: 0.66rem;
  }

  .about-caption-quote {
    font-size: 0.94rem;
    line-height: 1.24;
  }

  .about-service-tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-principle-row {
    grid-template-columns: 38px minmax(0, 1fr);
    padding: 15px;
    gap: 10px;
  }

  .about-principle-number {
    font-size: 1.3rem;
  }

  .about-capability-panel img {
    min-height: 190px;
    max-height: 220px;
  }

  .about-capability-panel > div,
  .about-contact-panel,
  .about-area-panel,
  .about-brands-link {
    padding: 22px;
  }

  .about-work-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
    gap: 10px;
  }

  .about-work-item,
  .about-work-item:nth-child(1),
  .about-work-item:nth-child(4) {
    grid-column: auto;
    grid-row: auto;
    aspect-ratio: 1;
  }

  .about-work-item span,
  .instagram-tile span {
    right: 10px;
    bottom: 10px;
    left: 10px;
    font-size: 0.72rem;
  }

  .about-process-grid,
  .about-values-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .about-process-step {
    min-height: 156px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.025);
  }

  .about-process-step > span {
    width: 42px;
    height: 42px;
    margin-bottom: 12px;
  }

  .about-process-step p {
    max-width: none;
    font-size: 0.86rem;
  }

  .technical-callouts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .technical-callout {
    min-height: 94px;
    padding: 14px;
  }

  .technical-icon {
    width: 32px;
    height: 32px;
  }

  .technical-icon svg {
    width: 20px;
    height: 20px;
  }

  .technical-callout h3 {
    margin-top: 12px;
    font-size: 0.9rem;
  }

  .about-value,
  .about-value:nth-child(2),
  .about-value:nth-child(-n + 2) {
    min-height: 160px;
    padding: 18px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .about-value:nth-child(2),
  .about-value:nth-child(4) {
    border-right: 0;
  }

  .about-value:nth-child(3),
  .about-value:nth-child(4) {
    border-bottom: 0;
  }

  .about-value:last-child {
    border-bottom: 0;
  }

  .about-value > span {
    margin-bottom: 16px;
  }

  .about-value h3 {
    font-size: 1.05rem;
  }

  .about-value p {
    font-size: 0.88rem;
    line-height: 1.45;
  }

  .about-contact-panel dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .about-area-panel h2 {
    font-size: 1.38rem;
    line-height: 1.12;
  }

  .about-final-cta {
    padding: 64px 0 112px;
  }
}

@media (max-width: 430px) {
  .instagram-preview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-chip-list {
    gap: 7px;
    grid-auto-rows: 38px;
  }

  .about-chip-list li {
    width: auto;
    padding: 6px 9px;
    font-size: 0.61rem;
    letter-spacing: 0.025em;
  }

  .about-service-tags li {
    width: auto;
  }
}

@media (max-width: 340px) {
  .about-chip-list,
  .about-service-tags {
    grid-template-columns: 1fr;
    grid-auto-rows: 36px;
  }
}

.radio-row {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  gap: 12px 22px;
}

.radio-row label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--steel);
}

.radio-row input {
  width: auto;
  min-height: auto;
}

.address-section {
  display: grid;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.015);
  gap: 14px;
}

.address-section legend {
  padding: 0 6px;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--blue);
  font-weight: 800;
}

.form-status.is-success {
  color: #68d391;
}

.form-status.is-error {
  color: #ff8d72;
}

.form-status a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-section a {
  color: var(--blue);
  font-weight: 800;
}

.site-footer {
  padding: 72px 0 92px;
  background: #05070a;
}

.footer-shell {
  display: grid;
  grid-template-columns: 1.35fr 0.7fr 0.9fr 1.25fr;
  width: min(1280px, calc(100% - 40px));
  margin-inline: auto;
  gap: 42px;
}

.footer-brand p {
  max-width: 390px;
}

.footer-logo {
  width: 154px;
  height: 96px;
}

.footer-logo img {
  width: 154px;
}

.footer-contact,
.footer-col {
  display: grid;
  align-content: start;
  gap: 9px;
}

.footer-contact a,
.footer-contact span,
.footer-col a,
.footer-col span {
  color: var(--muted);
}

.footer-contact a:hover,
.footer-col a:hover {
  color: var(--text);
}

.footer-col h2 {
  margin-bottom: 4px;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.footer-areas div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-areas span {
  display: inline-flex;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.84rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  width: min(1280px, calc(100% - 40px));
  margin: 42px auto 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  gap: 18px;
}

.footer-bottom p {
  margin-bottom: 0;
}

.footer-bottom a {
  color: var(--muted);
}

.mobile-contact-bar {
  position: fixed;
  z-index: 800;
  right: 12px;
  bottom: 12px;
  left: 12px;
  display: none;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(7, 9, 12, 0.94);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.mobile-contact-bar a {
  flex: 1;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.mobile-contact-bar a:first-child {
  background: var(--blue);
  color: #03111c;
}

.mobile-contact-bar a:last-child {
  color: var(--text);
}

.lightbox {
  position: fixed;
  z-index: 1100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(0, 0, 0, 0.88);
}

.lightbox[hidden] {
  display: none;
}

.lightbox figure {
  width: min(1080px, 100%);
  margin: 0;
}

.lightbox img {
  width: 100%;
  max-height: 78svh;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  object-fit: contain;
  background: #05070a;
}

.lightbox figcaption {
  margin-top: 12px;
  color: var(--text);
  font-weight: 850;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.lightbox-close::before,
.lightbox-close::after {
  position: absolute;
  top: 22px;
  left: 12px;
  width: 20px;
  height: 2px;
  background: var(--text);
  content: "";
}

.lightbox-close::before {
  transform: rotate(45deg);
}

.lightbox-close::after {
  transform: rotate(-45deg);
}

.reveal {
  opacity: 1;
  transform: none;
  transition: transform 180ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.technical-callout.reveal.is-visible:hover {
  transform: translateY(-2px);
}

@media (min-width: 760px) {
  h1 {
    font-size: 4rem;
  }

  .hero h1 {
    font-size: 4.85rem;
  }
}

@media (min-width: 1180px) {
  h1 {
    font-size: 4.5rem;
  }

  .hero h1 {
    font-size: 5.45rem;
  }

  h2 {
    font-size: 2.7rem;
  }
}

@media (max-width: 1120px) {
  .desktop-nav {
    gap: 2px;
  }

  .desktop-nav > a,
  .nav-dropdown > summary {
    padding-inline: 9px;
  }

  .header-phone {
    display: none;
  }

  .services-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .brand-detail-grid,
  .priority-grid,
  .technology-grid,
  .brand-process-grid,
  .heating-warning-grid,
  .heating-installation-grid,
  .heating-maintenance-grid,
  .cooling-warning-grid,
  .cooling-installation-grid,
  .cooling-performance-grid,
  .cooling-maintenance-grid,
  .heat-pump-card-grid,
  .heat-pump-installation-grid,
  .heat-pump-maintenance-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .heating-info-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .commercial-equipment-list,
  .installation-checks {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-shell {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .desktop-nav,
  .header-actions .button-small {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .mobile-nav {
    position: fixed;
    z-index: 850;
    top: 84px;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100svh - 84px);
    overflow-y: auto;
    padding: 16px 20px 28px;
    border-bottom: 1px solid var(--line);
    background: rgba(7, 9, 12, 0.98);
  }

  .site-header[data-open="true"] .mobile-nav {
    display: grid;
    gap: 8px;
  }

  .mobile-nav a,
  .mobile-nav summary {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 11px 12px;
    border-radius: 6px;
    color: var(--text);
    font-weight: 850;
  }

  .mobile-nav summary {
    cursor: pointer;
    list-style: none;
  }

  .mobile-nav summary::-webkit-details-marker {
    display: none;
  }

  .mobile-nav summary::after {
    width: 8px;
    height: 8px;
    margin-left: auto;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    content: "";
    transform: translateY(-2px) rotate(45deg);
    transition: transform 160ms ease;
  }

  .mobile-nav details[open] summary::after {
    transform: translateY(2px) rotate(225deg);
  }

  .mobile-nav details div {
    display: grid;
    padding-left: 12px;
  }

  .mobile-nav details div a {
    color: var(--muted);
  }

  .trust-shell {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-shell div:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .brand-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px 20px;
  }

  .split-grid,
  .why-grid,
  .service-area-grid,
  .service-detail-grid,
  .heating-decision-grid,
  .heating-equipment-layout,
  .heating-maintenance-layout,
  .cooling-decision-grid,
  .cooling-system-grid,
  .cooling-equipment-layout,
  .cooling-maintenance-layout,
  .cooling-diagnostics-grid,
  .cooling-refrigerant-panel,
  .heat-pump-basics-grid,
  .heat-pump-winter-grid,
  .heat-pump-hybrid-grid,
  .heat-pump-system-grid,
  .heat-pump-efficiency-grid,
  .heat-pump-defrost-grid,
  .heat-pump-diagnostics-grid,
  .heat-pump-selection-layout,
  .heat-pump-maintenance-layout,
  .commercial-grid,
  .about-grid,
  .contact-grid,
  .brands-hero-grid,
  .brand-choice-grid,
  .cost-efficiency-grid,
  .commercial-brand-grid,
  .utility-brand-grid,
  .installation-message-grid {
    grid-template-columns: 1fr;
  }

  .brands-hero {
    min-height: auto;
  }

  .hero-brand-panel {
    min-height: 360px;
  }

  .tier-grid {
    grid-template-columns: 1fr;
  }

  .why-intro,
  .service-aside,
  .heating-equipment-copy,
  .cooling-equipment-copy,
  .heat-pump-sticky-copy {
    position: static;
  }

  .final-cta-shell {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-shell {
    gap: 30px;
  }
}

@media (max-width: 700px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .header-shell {
    width: calc(100% - 24px);
    min-height: 74px;
  }

  .site-logo {
    width: 96px;
    height: 60px;
  }

  .site-logo img {
    width: 96px;
  }

  .mobile-nav {
    top: 74px;
    max-height: calc(100svh - 74px);
  }

  .hero,
  .page-hero {
    background-image: var(--mobile-hero-image, var(--hero-image));
  }

  .hero {
    height: 76svh;
    min-height: 510px;
    background-position: 38% center;
  }

  .page-hero {
    background-position: 56% center;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(7, 9, 12, 0.88) 0%, rgba(7, 9, 12, 0.66) 50%, rgba(7, 9, 12, 0.38) 82%, rgba(7, 9, 12, 0.56) 100%),
      linear-gradient(180deg, rgba(7, 9, 12, 0.18), rgba(7, 9, 12, 0.7));
  }

  .page-hero::before {
    background:
      linear-gradient(90deg, rgba(7, 9, 12, 0.9) 0%, rgba(7, 9, 12, 0.68) 58%, rgba(7, 9, 12, 0.44) 100%),
      linear-gradient(180deg, rgba(7, 9, 12, 0.18), rgba(7, 9, 12, 0.72));
  }

  .service-hero {
    background-position: 52% center;
  }

  .water-heating-hero {
    background-position: 58% center;
  }

  .brands-hero,
  .commercial-hero {
    background-position: 62% center;
  }

  .reviews-hero,
  .contact-hero {
    background-position: center;
  }

  .hero-content,
  .page-hero > .container {
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.82);
  }

  .hero-content {
    padding: 48px 0 36px;
  }

  .hero h1,
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero p,
  .page-hero p {
    font-size: 1rem;
  }

  .button-row,
  .hero-meta {
    flex-direction: column;
    align-items: stretch;
  }

  .trust-shell,
  .services-grid,
  .brand-grid,
  .gallery-grid,
  .why-list,
  .standalone-list,
  .process-grid,
  .brand-detail-grid,
  .priority-grid,
  .technology-grid,
  .brand-process-grid,
  .standards-grid,
  .heating-warning-grid,
  .heating-info-strip,
  .heating-decision-grid,
  .heating-equipment-grid,
  .heating-installation-grid,
  .heating-maintenance-grid,
  .cooling-warning-grid,
  .cooling-component-map,
  .cooling-decision-grid,
  .cooling-equipment-grid,
  .cooling-installation-grid,
  .cooling-performance-grid,
  .cooling-maintenance-grid,
  .cooling-problem-list,
  .cooling-refrigerant-checks,
  .heat-pump-mode-visual,
  .heat-pump-factor-list,
  .heat-pump-card-grid,
  .heat-pump-selection-grid,
  .heat-pump-installation-grid,
  .heat-pump-system-map,
  .heat-pump-indicators,
  .heat-pump-defrost-list,
  .heat-pump-comparison-grid,
  .heat-pump-mini-compare,
  .heat-pump-problem-list,
  .heat-pump-maintenance-grid,
  .field-grid,
  .capability-grid,
  .columns,
  .footer-shell {
    grid-template-columns: 1fr;
  }

  .brand-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .trust-shell div,
  .trust-shell div:first-child,
  .trust-shell div:nth-child(3) {
    min-height: auto;
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .brand-mark {
    min-height: 104px;
    padding: 10px;
  }

  .brand-logo-plate {
    min-height: 74px;
    padding: 12px;
  }

  .brand-mark img {
    max-height: 48px;
  }

  .brands-hero-grid {
    gap: 28px;
  }

  .hero-brand-panel {
    min-height: 330px;
    padding: 0;
  }

  .hero-brand-panel::before,
  .hero-brand-panel::after {
    display: block;
    inset: 34px;
  }

  .hero-brand-panel::after {
    inset: 78px;
  }

  .brand-orbit,
  .brand-orbit:nth-child(n) {
    position: absolute;
    width: clamp(112px, 34vw, 132px);
    min-height: 76px;
    transform: none;
  }

  .brand-orbit:nth-child(1) {
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
  }

  .brand-orbit:nth-child(2) {
    top: 100px;
    right: 18px;
  }

  .brand-orbit:nth-child(3) {
    right: 46px;
    bottom: 46px;
  }

  .brand-orbit:nth-child(4) {
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
  }

  .brand-orbit:nth-child(5) {
    bottom: 62px;
    left: 22px;
  }

  .brand-orbit:nth-child(6) {
    top: 100px;
    left: 18px;
  }

  .brand-orbit:nth-child(7) {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .brand-orbit img {
    max-height: 38px;
  }

  .brand-detail-logo {
    min-height: 112px;
  }

  .brand-detail-copy,
  .priority-card,
  .technology-block,
  .tier-panel,
  .brand-process-step,
  .heating-card,
  .heating-decision-panel,
  .heating-install-card,
  .cooling-card,
  .cooling-decision-panel,
  .cooling-install-card,
  .heat-pump-card,
  .heat-pump-install-card,
  .heat-pump-comparison-card,
  .heat-pump-winter-panel {
    padding: 22px;
  }

  .heating-card,
  .heating-install-card,
  .heating-option-card,
  .heating-equipment-grid .heating-option-card:nth-child(5),
  .cooling-card,
  .cooling-install-card,
  .cooling-option-card,
  .cooling-equipment-grid .cooling-option-card:nth-child(5),
  .heat-pump-card,
  .heat-pump-install-card,
  .heat-pump-selection-grid .heat-pump-card:nth-child(5) {
    grid-column: auto;
    min-height: auto;
  }

  .heating-info-item {
    min-height: 70px;
    padding: 16px;
  }

  .heating-maintenance-card {
    min-height: 58px;
  }

  .efficiency-scale {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .efficiency-scale::before,
  .efficiency-scale::after {
    display: none;
  }

  .efficiency-scale span:first-child,
  .efficiency-scale strong,
  .efficiency-scale span:last-child {
    grid-column: auto;
    grid-row: auto;
  }

  .installation-message {
    padding: 72px 0;
  }

  .commercial-equipment-list,
  .installation-checks,
  .brand-strip {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .heating-section,
  .heating-installation-section,
  .cooling-section,
  .cooling-installation-section,
  .heat-pump-section,
  .heat-pump-installation-section {
    padding: 60px 0;
  }

  .heat-pump-hybrid-flow {
    grid-template-columns: 1fr;
  }

  .heat-pump-flow-arrow {
    width: 2px;
    height: 34px;
    justify-self: center;
    background: linear-gradient(180deg, var(--blue), var(--orange));
  }

  .heat-pump-flow-arrow::after {
    top: auto;
    right: auto;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
  }

  .section-heading {
    margin-bottom: 28px;
  }

  .service-card {
    min-height: auto;
  }

  .split-panel img {
    height: 240px;
  }

  .split-panel > div,
  .about-card,
  .contact-info,
  .form-panel {
    padding: 22px;
  }

  .standards-section {
    padding: 44px 0;
  }

  .standard-card {
    padding: 8px 0;
  }

  .faq-item summary {
    gap: 12px;
    padding: 17px 18px;
  }

  .faq-item p {
    padding: 0 18px 20px 52px;
    font-size: 0.96rem;
  }

  .gallery-card,
  .gallery-card img {
    min-height: 245px;
  }

  .google-reviews-panel {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .google-reviews-actions {
    justify-content: stretch;
  }

  .review-slide-card {
    width: min(82vw, 360px);
    min-height: 360px;
  }

  .review-marquee {
    margin-right: -14px;
    margin-left: -14px;
  }

  .review-marquee::before,
  .review-marquee::after {
    width: 54px;
  }

  .work-marquee {
    margin-right: -14px;
    margin-left: -14px;
  }

  .work-marquee::before,
  .work-marquee::after {
    width: 54px;
  }

  .marquee-group {
    gap: 12px;
    padding-right: 12px;
  }

  .marquee-card {
    width: min(78vw, 330px);
  }

  .marquee-caption {
    right: 14px;
    bottom: 14px;
    left: 14px;
  }

  .page-hero,
  .compact-hero,
  .service-hero,
  .commercial-hero {
    min-height: 380px;
    padding: 86px 0 46px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .site-footer {
    padding-bottom: 106px;
  }

  .mobile-contact-bar {
    display: flex;
  }

  .page-contact .contact-hero {
    min-height: 340px;
    padding: 70px 0 30px;
  }

  .page-contact .contact-hero .button-row {
    margin-top: 18px;
  }

  .page-contact .contact-section {
    padding-top: 22px;
  }

  .page-contact .contact-grid {
    gap: 16px;
  }

  .page-contact .quote-form-panel {
    order: 1;
    scroll-margin-top: 90px;
  }

  .page-contact .contact-info {
    order: 2;
  }
}

@media (max-width: 420px) {
  .hero h1,
  h1 {
    font-size: 2.28rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .button {
    width: 100%;
  }

  .filter-bar button {
    flex: 1 1 calc(50% - 8px);
  }
}

@media (max-width: 1120px) {
  .reviews-page-grid,
  .review-theme-grid,
  .reviews-work-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .reviews-profile-panel,
  .featured-review-card {
    grid-template-columns: 1fr;
  }

  .featured-review-photo {
    min-height: 280px;
  }
}

@media (max-width: 700px) {
  .reviews-profile-section {
    padding: 34px 0 58px;
  }

  .reviews-profile-panel {
    align-items: start;
    padding: 22px;
  }

  .reviews-page-grid,
  .review-theme-grid,
  .reviews-work-grid {
    grid-template-columns: 1fr;
  }

  .reviews-page-card {
    min-height: auto;
  }

  .featured-review-copy {
    padding: 22px;
  }

  .review-quote-track {
    width: min(100% - 28px, var(--max));
    justify-content: flex-start;
  }
}

@media (max-width: 1120px) {
  .ductless-card-grid,
  .ductless-installation-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ductless-heat-pump-compare-panel {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .ductless-photo-pair button {
    min-height: 360px;
  }
}

@media (max-width: 920px) {
  .ductless-basics-grid,
  .ductless-zoning-grid,
  .ductless-design-grid,
  .ductless-placement-grid,
  .ductless-line-grid,
  .ductless-winter-grid,
  .ductless-mode-grid,
  .ductless-diagnostics-grid,
  .ductless-controls-grid,
  .ductless-maintenance-layout {
    grid-template-columns: 1fr;
  }

  .ductless-placement-copy {
    position: static;
  }

  .ductless-section .section-heading,
  .ductless-placement-copy .section-heading {
    max-width: 680px;
  }
}

@media (max-width: 700px) {
  .ductless-system-types-section,
  .ductless-installation-section {
    padding: 58px 0;
  }

  .ductless-flow {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .ductless-flow-step {
    min-height: 112px;
    padding: 16px;
  }

  .ductless-flow-arrow,
  .ductless-mini-flow i {
    width: 2px;
    height: 28px;
    justify-self: center;
    background: linear-gradient(180deg, var(--blue), rgba(255, 116, 51, 0.86));
  }

  .ductless-flow-arrow::after,
  .ductless-mini-flow i::after {
    top: auto;
    right: 50%;
    bottom: -2px;
    transform: translateX(50%) rotate(135deg);
  }

  .ductless-card-grid,
  .ductless-installation-grid,
  .ductless-maintenance-grid,
  .ductless-system-type-grid,
  .ductless-comparison-grid,
  .ductless-zone-visual,
  .ductless-factor-list,
  .ductless-check-grid,
  .ductless-photo-pair,
  .ductless-winter-panel,
  .ductless-mini-compare,
  .ductless-mode-list,
  .ductless-problem-list {
    grid-template-columns: 1fr;
  }

  .ductless-card,
  .ductless-install-card,
  .ductless-system-panel,
  .ductless-check-panel,
  .ductless-comparison-card,
  .ductless-heat-pump-compare-panel {
    padding: 20px;
  }

  .ductless-card,
  .ductless-install-card,
  .ductless-zone-visual div,
  .ductless-photo-pair button {
    min-height: auto;
  }

  .ductless-photo-pair button {
    aspect-ratio: 4 / 5;
  }

  .ductless-mini-flow {
    grid-template-columns: 1fr;
  }

  .ductless-mini-flow span {
    min-height: 56px;
  }

  .ductless-callout,
  .ductless-note {
    display: flex;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .technical-callout:hover,
  .technical-callout.reveal.is-visible:hover {
    transform: none;
  }

  .about-intro-photo.reveal figcaption {
    opacity: 1;
    transform: none;
  }

  .marquee-viewport {
    overflow-x: auto;
  }

  .marquee-track {
    animation: none !important;
    transform: none;
  }

  .marquee-group[aria-hidden="true"] {
    display: none;
  }
}