@charset "UTF-8";

:root {
  color-scheme: light;
  --ink: #193c4d;
  --ink-soft: #536b77;
  --brand: #1e526b;
  --brand-deep: #173f55;
  --mint: #dcecf4;
  --accent: #97d3ef;
  --paper: #f4f9fc;
  --white: #fff;
  --line: #dce7ed;
  --font-body: "DM Sans", sans-serif;
  --font-display: "Manrope", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

.privacy-notice {
  position: fixed;
  z-index: 1100;
  right: 20px;
  bottom: 20px;
  left: 20px;
  width: min(760px, calc(100% - 40px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 0 auto;
  padding: 16px 20px;
  border: 1px solid #cbdce4;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 32px rgba(25, 60, 77, .2);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.55;
}

.privacy-notice p {
  margin: 0;
}

.privacy-notice a {
  color: #1e6686;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.privacy-notice-dismiss {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid #b9ced8;
  border-radius: 4px;
  background: #f4f9fc;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.privacy-notice-dismiss:focus-visible {
  outline: 3px solid #65a9c9;
  outline-offset: 3px;
}

@media (max-width: 640px) {
  .privacy-notice {
    right: 10px;
    bottom: 72px;
    left: 10px;
    width: calc(100% - 20px);
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    font-size: 12px;
  }

  .privacy-notice-dismiss {
    min-height: 36px;
    padding: 0 10px;
    font-size: 12px;
  }
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid #65a9c9;
  outline-offset: 4px;
}

.container {
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  z-index: 20;
  top: 10px;
  left: 10px;
  padding: 12px 16px;
  transform: translateY(-150%);
  background: var(--white);
  color: var(--ink);
}

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

.site-header {
  position: relative;
  z-index: 5;
  background: var(--paper);
}

.header-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(25, 60, 77, .1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 48px;
  height: 54px;
  object-fit: contain;
}

.brand-type {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-type strong {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: .07em;
  line-height: 1;
}

.brand-type > span {
  color: #667f8b;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .1em;
}

.primary-navigation {
  display: flex;
  align-items: center;
  gap: 38px;
  color: #405f6c;
  font-size: 13px;
  font-weight: 600;
}

.primary-navigation > a:not(.button):hover,
.text-link:hover,
.arrow-link:hover {
  color: #4689a8;
}

.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 0 23px;
  border: 1px solid var(--brand);
  border-radius: 3px;
  background: var(--brand);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.button:hover {
  transform: translateY(-2px);
  background: var(--brand-deep);
}

.button span,
.text-link span,
.arrow-link span {
  font-size: 18px;
  font-weight: 400;
}

.button-small {
  min-height: 42px;
  gap: 14px;
  padding: 0 17px;
  font-size: 12px;
}

.menu-toggle {
  display: none;
}

.hero {
  overflow: hidden;
  position: relative;
  background: var(--paper);
}

.hero-grid {
  min-height: 610px;
  display: grid;
  grid-template-columns: 1fr .95fr;
  align-items: center;
  gap: 15px;
  padding-top: 14px;
  padding-bottom: 50px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding: 35px 0 30px;
}

.eyebrow,
.section-index {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: #5d7480;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #70b9dc;
  box-shadow: 0 0 0 4px rgba(112, 185, 220, .18);
}

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

.hero h1 {
  margin: 25px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(48px, 5.25vw, 70px);
  font-weight: 600;
  letter-spacing: -.065em;
  line-height: 1.08;
}

.hero h1 span,
.intro h2 span,
.contact h2 span {
  color: #5aa6c9;
}

.hero-description {
  max-width: 455px;
  margin-bottom: 27px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 27px;
}

.text-link,
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 700;
  transition: color .2s ease;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 50px;
}

.proof-icon {
  width: 37px;
  height: 37px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid #d6e5ed;
  border-radius: 50%;
  background: #edf5f9;
}

.proof-icon svg {
  width: 17px;
  stroke: #4386a3;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-proof p {
  margin: 0;
  color: #70828a;
  font-size: 10px;
  line-height: 1.65;
}

.hero-proof strong {
  color: var(--ink);
  font-size: 11px;
}

.hero-visual {
  min-height: 510px;
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.visual-glow {
  width: 78%;
  height: 78%;
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(181, 224, 243, .42), rgba(220, 236, 244, .12) 68%, transparent 72%);
}

.ventilation-art {
  width: 100%;
  max-width: 570px;
  overflow: visible;
  filter: drop-shadow(0 18px 20px rgba(35, 75, 96, .09));
}

.air-flow {
  animation: air-flow 1.4s linear infinite;
}


@keyframes air-flow {
  to {
    stroke-dashoffset: -22;
  }
}

/* Live SVG animations: paused while off-screen (class toggled in script.js). */
.live-ready .live-svg:not(.is-visible) *,
.live-ready .live-svg:not(.is-visible) *::before,
.live-ready .live-svg:not(.is-visible) *::after {
  animation-play-state: paused !important;
}

.fan-ring {
  animation: dash-14 .9s linear infinite;
}

@keyframes dash-14 {
  to {
    stroke-dashoffset: -14;
  }
}

@keyframes dash-12 {
  to {
    stroke-dashoffset: -12;
  }
}

@keyframes dash-32 {
  to {
    stroke-dashoffset: -32;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Service icon: duct cleaning */
.icon-clean .brush {
  animation: brush-sweep 4s linear infinite;
}

@keyframes brush-sweep {
  0% {
    transform: translateX(-12px);
  }

  55%,
  100% {
    transform: translateX(48px);
  }
}

.icon-clean .dust circle {
  opacity: .85;
  animation: dust-clear 4s ease-out infinite;
}

.icon-clean .dust-1 { animation-delay: .81s; }
.icon-clean .dust-2 { animation-delay: 1.1s; }
.icon-clean .dust-3 { animation-delay: 1.39s; }
.icon-clean .dust-4 { animation-delay: 1.69s; }

@keyframes dust-clear {
  0% {
    opacity: .85;
    transform: translateX(0);
  }

  6% {
    opacity: 0;
    transform: translateX(8px);
  }

  88% {
    opacity: 0;
    transform: translateX(0);
  }

  100% {
    opacity: .85;
  }
}

.icon-clean .duct-air {
  animation: dash-14 1s linear infinite, air-boost 4s linear infinite;
}

@keyframes air-boost {
  0%,
  40% {
    opacity: .2;
  }

  55%,
  92% {
    opacity: 1;
  }

  100% {
    opacity: .2;
  }
}

/* Service icon: airflow measurement */
.icon-gauge .gauge-needle {
  transform-origin: 24px 34px;
  animation: gauge-needle 4.5s ease-in-out infinite;
}

@keyframes gauge-needle {
  0% { transform: rotate(-75deg); }
  22% { transform: rotate(55deg); }
  36% { transform: rotate(10deg); }
  48% { transform: rotate(38deg); }
  58% { transform: rotate(26deg); }
  66%, 90% { transform: rotate(30deg); }
  100% { transform: rotate(-75deg); }
}

.icon-gauge .gauge-target {
  stroke: #4fa864;
  animation: gauge-target 4.5s ease-in-out infinite;
}

@keyframes gauge-target {
  0%, 58% { opacity: .3; }
  66%, 90% { opacity: 1; }
  100% { opacity: .3; }
}

/* Service icon: cooker hood */
.icon-hood .steam path {
  opacity: 0;
  animation: steam-rise 2.4s ease-in infinite;
}

.icon-hood .steam-2 { animation-delay: .8s; }
.icon-hood .steam-3 { animation-delay: 1.6s; }

@keyframes steam-rise {
  0% {
    opacity: 0;
    transform: translateY(2px);
  }

  25% {
    opacity: .9;
  }

  80% {
    opacity: .5;
    transform: translateY(-8px);
  }

  100% {
    opacity: 0;
    transform: translateY(-10px);
  }
}

.icon-hood .hood-flow {
  animation: dash-12 .9s linear infinite;
}

/* Interactive CO2 lab */
.co2-lab {
  --t: 0;
  margin-top: 46px;
  padding: 30px 32px 24px;
  border: 1px solid #d6e4eb;
  border-radius: 3px;
  background: #fff;
}

.co2-head-row h3 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -.03em;
}

.co2-head-row p {
  max-width: 520px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.co2-eyebrow {
  color: #4689a8;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.co2-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 34px;
  margin-top: 24px;
}

.co2-scene-wrap {
  margin: 0;
}

.co2-scene {
  width: 100%;
  display: block;
}

.co2-scene-wrap figcaption {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 12px;
}

.co2-mood {
  color: var(--ink);
}

.co2-controls {
  display: grid;
  gap: 14px;
}

.co2-gauge {
  width: 100%;
  max-width: 280px;
  display: block;
  justify-self: center;
  cursor: grab;
  touch-action: none;
}

.co2-gauge:active {
  cursor: grabbing;
}

.co2-needle {
  transform-origin: 120px 122px;
  transition: transform .35s cubic-bezier(.3, 1.4, .5, 1);
}

.co2-lab.is-dragging .co2-needle {
  transition: none;
}

.co2-readout {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 13px;
}

.co2-value {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: -.03em;
}

.co2-level {
  padding: 4px 10px;
  border-radius: 99px;
  background: var(--level, #e5813a);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  transition: background .3s ease;
}

.co2-range {
  width: 100%;
  height: 8px;
  margin: 4px 0;
  border-radius: 99px;
  background: linear-gradient(90deg, #4fa864 0 16.7%, #8dbf55 16.7% 26.2%, #d2c140 26.2% 38.1%, #e6a23a 38.1% 54.8%, #e5713a 54.8% 76.2%, #d9534f 76.2%);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.co2-range::-webkit-slider-thumb {
  width: 22px;
  height: 22px;
  border: 3px solid var(--brand);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(25, 60, 77, .25);
  -webkit-appearance: none;
  appearance: none;
}

.co2-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 3px solid var(--brand);
  border-radius: 50%;
  background: #fff;
}

.co2-range:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
}

.co2-text {
  min-height: 66px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.co2-energy {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.co2-energy-bar {
  height: 8px;
  overflow: hidden;
  border-radius: 99px;
  background: #e6eef2;
}

.co2-energy-bar span {
  width: calc((1 - var(--t)) * 92% + 8%);
  height: 100%;
  display: block;
  border-radius: inherit;
  background: linear-gradient(90deg, #e5813a, #4fa864);
  transition: width .35s ease;
}

.co2-boost {
  justify-self: start;
}

.co2-note {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: #778992;
  font-size: 11px;
  line-height: 1.6;
}

.co2-fresh {
  opacity: calc(1 - var(--t) * 1.4);
  transition: opacity .4s ease;
  animation: air-flow 1.1s linear infinite;
}

.co2-bubble {
  opacity: 0;
  transform: translateY(6px) scale(.6);
  transform-box: fill-box;
  transform-origin: center;
  transition: opacity .4s ease, transform .4s ease;
}

.co2-bubble.is-on {
  opacity: 1;
  transform: none;
  animation: bubble-float 3.4s ease-in-out infinite alternate;
}

.co2-bubble:nth-child(2n) { animation-delay: -1.2s; }
.co2-bubble:nth-child(3n) { animation-delay: -2.1s; }

@keyframes bubble-float {
  from { transform: translateY(0); }
  to { transform: translateY(-6px); }
}

.co2-plant {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  transform: rotate(calc(var(--t) * -14deg)) scaleY(calc(1 - var(--t) * .18));
  transition: transform .5s ease;
}

.co2-person {
  animation: breathe 3.6s ease-in-out infinite;
}

@keyframes breathe {
  50% { transform: translateY(-1.2px); }
}

.co2-head {
  transform-origin: 150px 120px;
  transform: translateY(calc(var(--t) * 6px)) rotate(calc(var(--t) * 10deg));
  transition: transform .45s ease;
}

.co2-body {
  transform: translateY(calc(var(--t) * 3px));
  transition: transform .45s ease;
}

.co2-eyes {
  transform-box: fill-box;
  transform-origin: center;
  animation: blink 4.6s infinite;
}

@keyframes blink {
  0%, 94%, 100% { transform: scaleY(1); }
  97% { transform: scaleY(.1); }
}

.co2-bags {
  opacity: calc(var(--t) * 1.2 - .2);
}

.co2-cheek {
  opacity: calc(.55 - var(--t) * .7);
  transition: opacity .4s ease;
}

.co2-yawn,
.co2-spark,
.co2-ache,
.co2-zzz {
  opacity: 0;
  transition: opacity .4s ease;
}

.co2-lab.lvl-1 .co2-spark {
  opacity: 1;
  animation: twinkle 1.6s ease-in-out infinite;
}

@keyframes twinkle {
  50% { opacity: .25; }
}

.co2-lab.lvl-4 .co2-yawn,
.co2-lab.lvl-5 .co2-yawn {
  transform-box: fill-box;
  transform-origin: center top;
  animation: yawn 6s ease-in-out infinite;
}

.co2-lab.lvl-4 .co2-mouth,
.co2-lab.lvl-5 .co2-mouth {
  animation: mouth-hide 6s ease-in-out infinite;
}

@keyframes yawn {
  0%, 60% { opacity: 0; transform: scale(.3); }
  68%, 84% { opacity: 1; transform: scale(1); }
  92%, 100% { opacity: 0; transform: scale(.3); }
}

@keyframes mouth-hide {
  0%, 60% { opacity: 1; }
  66%, 86% { opacity: 0; }
  92%, 100% { opacity: 1; }
}

.co2-lab.lvl-5 .co2-ache,
.co2-lab.lvl-6 .co2-ache {
  animation: ache 1.1s ease-in-out infinite;
}

@keyframes ache {
  0%, 100% { opacity: .2; }
  50% { opacity: 1; }
}

.co2-lab.lvl-6 .co2-zzz {
  opacity: 1;
}

.co2-lab.lvl-6 .co2-zzz text {
  animation: zzz 2.4s ease-in-out infinite;
}

.co2-zzz text:nth-child(2) { animation-delay: .4s; }
.co2-zzz text:nth-child(3) { animation-delay: .8s; }

@keyframes zzz {
  0%, 100% { opacity: .2; transform: translateY(2px); }
  50% { opacity: 1; transform: translateY(-2px); }
}

/* IV unit parts explorer */
.parts {
  background: var(--brand-deep);
  color: #fff;
}

.parts .section-index {
  color: #c5dce7;
}

.parts .section-heading > p {
  color: #b9d1dc;
}

.ivx {
  display: grid;
  grid-template-columns: 1.3fr .9fr;
  align-items: start;
  gap: 48px;
}

.brands {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 32px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.brands-lead {
  margin: 0;
  max-width: 560px;
  color: #c5dce7;
  font-size: 15px;
}

.brands-lead strong {
  color: #fff;
}

.brands-focus {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.brands-label {
  color: #c5dce7;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 22px;
  border: 1px solid rgba(151, 206, 236, .5);
  border-radius: 999px;
  background: rgba(151, 206, 236, .1);
  color: #fff;
  font: inherit;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.brand-chip:hover {
  border-color: var(--accent);
  background: rgba(151, 206, 236, .2);
}

.brand-chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.brand-chip[aria-expanded="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--brand-deep);
}

.brand-chip-icon {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  font-size: 15px;
  line-height: 1;
  transition: transform .25s ease;
}

.brand-chip[aria-expanded="true"] .brand-chip-icon {
  background: rgba(24, 61, 82, .15);
  transform: rotate(45deg);
}

.brand-panel {
  flex-basis: 100%;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 40px;
  padding: 34px 36px;
  border: 1px solid rgba(151, 206, 236, .25);
  border-radius: 6px;
  background: rgba(255, 255, 255, .05);
  animation: brand-panel-in .3s ease;
}

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

@keyframes brand-panel-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

.brand-panel-kicker {
  color: #e6a23a;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.brand-panel h3 {
  margin: 10px 0 14px;
  font-size: 30px;
}

.brand-panel-intro p {
  margin: 0;
  color: #c5dce7;
  font-size: 15px;
}

.brand-panel h4 {
  margin: 0 0 14px;
  font-size: 15px;
}

.brand-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.brand-panel li {
  position: relative;
  padding-left: 22px;
  color: #dbe9f0;
  font-size: 14px;
}

.brand-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.brand-panel .arrow-link {
  margin-top: 22px;
  color: var(--accent);
}

.brand-chip-other {
  border-style: dashed;
  background: transparent;
  font-size: 15px;
}

.brands-sep {
  width: 1px;
  height: 28px;
  margin: 0 6px;
  background: rgba(255, 255, 255, .2);
}

.brand-panel .brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.brand-panel .brand-list li {
  padding: 6px 14px;
  border: 1px solid rgba(151, 206, 236, .3);
  border-radius: 999px;
  background: rgba(151, 206, 236, .08);
  color: #fff;
  font-weight: 600;
}

.brand-panel .brand-list li::before {
  content: none;
}

.brand-panel .arrow-link:hover {
  color: #fff;
}

@media (max-width: 900px) {
  .brand-panel {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .brands-label {
    flex-basis: 100%;
  }

  .brands-sep {
    display: none;
  }

  .brand-panel {
    padding: 26px 22px;
  }
}

.ivx-figure {
  margin: 0;
}

.ivx-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid #d8e5ea;
  border-radius: 99px;
  background: #f3f7f9;
}

.ivx-toggle-label {
  padding: 0 10px 0 12px;
  color: #607985;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ivx-toggle button {
  padding: 8px 14px;
  border: 0;
  border-radius: 99px;
  background: transparent;
  color: #496574;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}

.ivx-toggle button.is-on {
  background: #236b8b;
  color: #fff;
  box-shadow: 0 2px 6px rgba(18, 61, 82, .2);
}

.ivx-toggle button[data-state="worn"].is-on {
  background: #b95c32;
  color: #fff;
}

.ivx-svg {
  width: 100%;
  display: block;
  margin-top: 12px;
}

.ivx-flow {
  animation: air-flow 1s linear infinite;
  transition: opacity .5s ease;
}

.ivx-duct-glow {
  fill: none;
  stroke-width: 19;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .35;
  pointer-events: none;
  transition: opacity .5s ease;
}

.ivx-supply-glow {
  stroke: #69b6d4;
}

.ivx-extract-glow {
  stroke: #efc45a;
}

.ivx-core-highlight {
  fill: none;
  stroke: #a9dcef;
  stroke-width: 4;
  opacity: .48;
  pointer-events: none;
}

.ivx-duct {
  transition: opacity .5s ease;
}

.ivx-part,
.ivx-badge {
  cursor: pointer;
}

.ivx-part {
  transition: opacity .3s ease;
}

.ivx-svg.has-active .ivx-part:not(.is-active) {
  opacity: .5;
}

.ivx-svg.has-active .ivx-part.is-active {
  filter: drop-shadow(0 0 7px rgba(151, 211, 239, .55));
}

.ivx-badge circle {
  fill: #e1edf2;
  stroke: #5c8193;
  stroke-width: 2;
  transition: fill .2s ease;
}

.ivx-badge text {
  fill: #183b4c;
  pointer-events: none;
}

.ivx-badge.is-active circle {
  fill: #236b8b;
  stroke: #fff;
  stroke-width: 3;
}

.ivx-badge.is-active text {
  fill: #fff;
}

.ivx-badge.is-active {
  transform-box: fill-box;
  transform-origin: center;
  animation: badge-pulse 1.6s ease-in-out infinite;
}

@keyframes badge-pulse {
  50% { transform: scale(1.18); }
}

.ivx-dirt,
.ivx-noise,
.ivx-ice,
.ivx-dust,
.ivx-alarm {
  opacity: 0;
  transition: opacity .6s ease;
}

.ivx-rotor {
  transform-box: fill-box;
  transform-origin: center;
  animation: spin .7s linear infinite;
}

.ivx-heat path {
  animation: heat-rise 1.6s ease-in-out infinite;
}

.ivx-heat path + path {
  animation-delay: .5s;
}

@keyframes heat-rise {
  0%, 100% { opacity: .3; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(-3px); }
}

.ivx-out {
  animation: ivx-out 1.4s ease-in-out infinite;
  transition: opacity .5s ease;
}

@keyframes ivx-out {
  0%, 100% { opacity: .35; }
  50% { opacity: 1; }
}

.ivx-led {
  transition: fill .3s ease;
}

.ivx-figure.is-worn .ivx-flow {
  opacity: .4;
  animation-duration: 3.2s;
}

.ivx-figure.is-worn .ivx-duct {
  opacity: .7;
}

.ivx-figure.is-worn .ivx-duct-glow {
  opacity: .18;
}

.ivx-figure.is-worn .ivx-dirt {
  opacity: .72;
}

.ivx-figure.is-worn .ivx-rotor {
  animation-duration: 2.6s;
}

.ivx-figure.is-worn .ivx-fan {
  transform-box: fill-box;
  transform-origin: center;
  animation: shake .18s linear infinite;
}

@keyframes shake {
  25% { transform: translate(.8px, -.6px); }
  75% { transform: translate(-.8px, .6px); }
}

.ivx-figure.is-worn .ivx-noise {
  opacity: 1;
  animation: ache 1s ease-in-out infinite;
}

.ivx-figure.is-worn .ivx-heat {
  opacity: 0;
}

.ivx-figure.is-worn .ivx-plus {
  stroke: #8fa3ad;
}

.ivx-figure.is-worn .ivx-ice {
  opacity: 1;
}

.ivx-figure.is-worn .ivx-out {
  opacity: .15;
  animation: none;
}

.ivx-figure.is-worn .ivx-dust {
  opacity: 1;
}

.ivx-figure.is-worn .ivx-led {
  fill: #d9534f;
  animation: ache .8s steps(2) infinite;
}

.ivx-figure.is-worn .ivx-alarm {
  opacity: 1;
}

.ivx-stats {
  display: grid;
  gap: 12px;
  margin-top: 16px;
  padding: 15px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .06);
}

.ivx-stat {
  display: grid;
  grid-template-columns: 120px 1fr 92px;
  align-items: center;
  gap: 14px;
  color: #c5dce7;
  font-size: 12px;
}

.ivx-stat strong {
  color: #fff;
  font-size: 12px;
  text-align: right;
}

.ivx-bar {
  height: 7px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, .12);
}

.ivx-bar span {
  width: var(--ok);
  height: 100%;
  display: block;
  border-radius: inherit;
  background: #4e9a78;
  transition: width .7s ease, background .7s ease;
}

.ivx-bar.is-cost span {
  background: #4b9abd;
}

.ivx-figure.is-worn .ivx-bar span {
  width: var(--worn);
  background: #d28b45;
}

.ivx-figure.is-worn .ivx-bar.is-cost span {
  background: #bd5d49;
}

.ivx-figure figcaption {
  margin: 12px 2px 0;
  color: #8fb0bf;
  font-size: 11px;
  line-height: 1.55;
}

.ivx-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.ivx-tabs button {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 3px;
  background: transparent;
  color: #dbe9f0;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}

.ivx-tabs button span {
  width: 22px;
  height: 22px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: rgba(151, 211, 239, .2);
  color: var(--accent);
  font-size: 11px;
}

.ivx-tabs button:hover {
  border-color: rgba(151, 211, 239, .6);
}

.ivx-tabs button[aria-selected="true"] {
  border-color: var(--accent);
  background: rgba(151, 211, 239, .12);
  color: #fff;
}

.ivx-tabs button[aria-selected="true"] span {
  background: var(--accent);
  color: var(--ink);
}

.ivx-tabs button:focus-visible,
.ivx-toggle button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.ivx-panel {
  margin-top: 24px;
  animation: panel-in .35s ease;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(6px); }
}

.ivx-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -.03em;
}

.ivx-panel p {
  margin: 0;
  color: #c5dce7;
  font-size: 13px;
  line-height: 1.75;
}

.ivx-panel h4 {
  margin: 20px 0 10px;
  color: #f0b27a;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.ivx-panel ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ivx-panel li {
  position: relative;
  padding-left: 20px;
  color: #e3eef3;
  font-size: 13px;
  line-height: 1.6;
}

.ivx-panel li::before {
  content: "";
  width: 7px;
  height: 7px;
  position: absolute;
  top: 7px;
  left: 2px;
  border-radius: 50%;
  background: #e5813a;
}

.ivx-panel .ivx-tip {
  margin-top: 18px;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, .06);
}

.ivx-tip strong {
  color: #fff;
}

.ivx-info .arrow-link {
  margin-top: 26px;
  color: var(--accent);
}

.ivx-info .arrow-link:hover {
  color: #fff;
}

.filter-cycle figcaption {
  margin-top: 10px;
  color: #778992;
  font-size: 11px;
  line-height: 1.6;
}

/* Filter lifecycle */
.filter-cycle {
  max-width: 380px;
  margin: 44px 0 0;
}

.filter-cycle svg {
  width: 100%;
  display: block;
}

.fc-air {
  animation: fc-air 9s linear infinite;
}

.fc-air path {
  animation: dash-14 1s linear infinite;
}

@keyframes fc-air {
  0% { opacity: 1; }
  64%, 74% { opacity: .15; }
  86%, 100% { opacity: 1; }
}

.fc-filter {
  animation: fc-swap 9s ease-in-out infinite;
}

@keyframes fc-swap {
  0%, 66% {
    opacity: 1;
    transform: translateY(0);
  }

  74% {
    opacity: 0;
    transform: translateY(60px);
  }

  74.01% {
    opacity: 0;
    transform: translateY(-60px);
  }

  84%, 100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.fc-dirt {
  opacity: 0;
  animation: fc-dirt 9s linear infinite;
}

@keyframes fc-dirt {
  0% { opacity: 0; }
  64%, 74% { opacity: .8; }
  74.01%, 100% { opacity: 0; }
}

.fc-pleat {
  stroke: #9bc3d5;
  animation: fc-pleat 9s linear infinite;
}

@keyframes fc-pleat {
  0% { stroke: #9bc3d5; }
  64%, 74% { stroke: #4a3a28; }
  74.01%, 100% { stroke: #9bc3d5; }
}

.fc-progress {
  fill: #4fa864;
  transform-box: fill-box;
  transform-origin: left center;
  animation: fc-progress 9s linear infinite;
}

@keyframes fc-progress {
  0% {
    fill: #4fa864;
    transform: scaleX(0);
  }

  35% {
    fill: #e6b23a;
  }

  60% {
    fill: #d9534f;
  }

  64%, 74% {
    fill: #d9534f;
    transform: scaleX(1);
  }

  80% {
    fill: #4fa864;
    transform: scaleX(0);
  }

  100% {
    transform: scaleX(0);
  }
}

.fc-badge {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: fc-badge 9s ease-out infinite;
}

@keyframes fc-badge {
  0%, 62% {
    opacity: 0;
    transform: scale(.4);
  }

  68% {
    opacity: 1;
    transform: scale(1.1);
  }

  72%, 84% {
    opacity: 1;
    transform: scale(1);
  }

  90%, 100% {
    opacity: 0;
    transform: scale(.4);
  }
}

/* Contact map */
.contact-map {
  grid-column: 1 / -1;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 3px;
  background: rgba(255, 255, 255, .03);
  transition: border-color .2s ease;
}

.contact-map:hover,
.contact-map:focus-visible {
  border-color: var(--accent);
}

.contact-map svg {
  width: 100%;
  display: block;
}

.map-pulse {
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: map-pulse 2.4s ease-out infinite;
}

.map-pulse-2 {
  animation-delay: 1.2s;
}

@keyframes map-pulse {
  0% {
    opacity: .7;
    transform: scale(1);
  }

  100% {
    opacity: 0;
    transform: scale(5);
  }
}

.air-card {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 15px;
  border: 1px solid rgba(25, 60, 77, .08);
  border-radius: 5px;
  background: rgba(255, 255, 255, .91);
  box-shadow: 0 10px 30px rgba(29, 66, 86, .08);
}

.air-card-top {
  top: 12px;
  right: 4px;
}

.air-card-bottom {
  bottom: 4px;
  left: -2px;
}

.air-card-icon {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e1f1f8;
  color: #468caf;
  font-size: 17px;
}

.air-card-icon-dark {
  background: #e2eff5;
  color: #4c839e;
}

.air-card strong,
.air-card small {
  display: block;
}

.air-card strong {
  font-size: 10px;
}

.air-card small {
  margin-top: 3px;
  color: #778992;
  font-size: 9px;
}

.visual-caption {
  position: absolute;
  right: 0;
  bottom: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #70828a;
  font-size: 9px;
  letter-spacing: .02em;
}

.visual-caption > span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #83c4e1;
}

.hero-bottom {
  min-height: 55px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(25, 60, 77, .1);
  color: #778993;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
}

.hero-bottom i {
  padding: 0 9px;
  color: #8abbd0;
  font-style: normal;
}

.section-pad {
  padding: 112px 0;
}

.intro {
  background: #fff;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 3.1fr;
  gap: 40px;
}

.intro-label {
  padding-top: 10px;
}

.index-line {
  width: 42px;
  height: 1px;
  display: block;
  margin-top: 19px;
  background: #8ac6df;
}

.intro h2,
.section-heading h2,
.contact h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 4.5vw, 58px);
  font-weight: 600;
  letter-spacing: -.06em;
  line-height: 1.12;
}

.intro-lower {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  margin-top: 30px;
}

.intro-lower p {
  max-width: 460px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

.intro-text .arrow-link {
  margin-top: 26px;
}

.services {
  background: #edf4f8;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
}

.section-heading h2 {
  margin-top: 18px;
}

.section-heading > p {
  max-width: 355px;
  margin: 0 0 5px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #d6e4eb;
  border-left: 1px solid #d6e4eb;
}

.service-card {
  min-height: 272px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 29px 28px 25px;
  border-right: 1px solid #d6e4eb;
  border-bottom: 1px solid #d6e4eb;
  background: rgba(255, 255, 255, .19);
  transition: background .2s ease, transform .2s ease;
}

.service-card:hover {
  z-index: 1;
  transform: translateY(-3px);
  background: rgba(255, 255, 255, .65);
}

.service-number {
  position: absolute;
  top: 32px;
  right: 28px;
  color: #91a2aa;
  font-size: 10px;
  letter-spacing: .08em;
}

.service-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e0edf3;
  color: #4a7f98;
}

.service-icon svg {
  width: 32px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.service-card h3 {
  max-width: 270px;
  margin: 23px 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1.35;
}

.service-card p {
  max-width: 295px;
  margin-bottom: 20px;
  color: #657984;
  font-size: 11px;
  line-height: 1.75;
}

.service-card > a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: auto;
  color: #285d76;
  font-size: 10px;
  font-weight: 700;
}

.service-card > a span {
  font-size: 15px;
  font-weight: 400;
}

.service-card > a:hover {
  color: #4689a8;
}

.service-card-featured {
  background: #e2eef4;
}

.service-more {
  width: 100%;
  margin-top: auto;
}

.service-more summary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #285d76;
  font-size: 11px;
  font-weight: 700;
  list-style: none;
  cursor: pointer;
}

.service-more summary::-webkit-details-marker {
  display: none;
}

.service-more summary span {
  font-size: 16px;
  font-weight: 400;
  transition: transform .2s ease;
}

.service-more[open] summary span {
  transform: rotate(45deg);
}

.service-more summary:hover {
  color: #4689a8;
}

.service-more summary:focus-visible {
  outline: 3px solid #65a9c9;
  outline-offset: 4px;
}

.service-more-body {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #d6e4eb;
}

.service-more-body p {
  max-width: none;
  margin-bottom: 12px;
  font-size: 12px;
}

.service-quote-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  padding: 10px 16px;
  border-radius: 3px;
  background: var(--brand);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  transition: background .2s ease;
}

.service-quote-link:hover {
  background: var(--brand-deep);
}

.service-page-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: #285d76;
  font-size: 12px;
  font-weight: 700;
}

.service-page-link:hover {
  color: #4689a8;
}

.service-more-body p:last-child {
  margin-bottom: 0;
}

.service-more-body strong {
  color: var(--ink);
}

.intro-text p + p {
  margin-top: 16px;
}

.service-cta {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 36px 40px;
  border-right: 1px solid #d6e4eb;
  border-bottom: 1px solid #d6e4eb;
  background: var(--brand-deep);
  color: #fff;
}

.service-cta h3 {
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -.035em;
}

.service-cta p {
  max-width: 440px;
  margin-bottom: 22px;
  color: #c9dce5;
  font-size: 13px;
  line-height: 1.75;
}

.clients {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.clients h3 {
  margin-bottom: 18px;
  color: #5d7480;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.client-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.client-list li {
  padding: 8px 14px;
  border: 1px solid #d6e4eb;
  border-radius: 999px;
  background: #f4f9fc;
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
}

.client-list li::first-letter {
  text-transform: uppercase;
}

.maintenance {
  background: var(--paper);
}

.maintenance-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 70px;
}

.maintenance-intro h2 {
  margin: 18px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(34px, 3.8vw, 50px);
  font-weight: 600;
  letter-spacing: -.06em;
  line-height: 1.12;
}

.maintenance-intro h2 span {
  color: #5aa6c9;
}

.maintenance-intro > p {
  max-width: 380px;
  margin-bottom: 28px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.maintenance-content {
  padding: 40px;
  border: 1px solid #d6e4eb;
  border-radius: 3px;
  background: #fff;
}

.maintenance-content h3 {
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.035em;
}

.maintenance-content p {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
}

.maintenance-content p:last-child {
  margin-bottom: 0;
}

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

.check-list li {
  position: relative;
  padding: 14px 16px 14px 46px;
  border-radius: 3px;
  background: #edf5f9;
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
}

.check-list li::before {
  position: absolute;
  top: 14px;
  left: 16px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--brand-deep);
  font-size: 11px;
  font-weight: 700;
  content: "\2713";
}

.contact {
  padding: 100px 0;
  background: #fff;
}

.contact-panel {
  min-height: 475px;
  overflow: hidden;
  overflow: clip;
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  padding: 65px 70px;
  border-radius: 3px;
  background: var(--brand-deep);
  color: var(--white);
}

.contact-main,
.contact-details {
  position: relative;
  z-index: 1;
}

.contact .section-index {
  color: #c5dce7;
}

.contact h2 {
  margin-top: 23px;
  font-size: clamp(38px, 4.2vw, 55px);
}

.contact h2 span {
  color: var(--accent);
}

.contact-main > p {
  max-width: 400px;
  margin: 18px 0 26px;
  color: #c9dce5;
  font-size: 13px;
  line-height: 1.8;
}

.button-light {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--brand-deep);
}

.button-light:hover {
  background: #b8e5f7;
  color: var(--brand-deep);
}

.contact-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-content: center;
  gap: 32px 25px;
  padding-left: 35px;
  border-left: 1px solid rgba(255, 255, 255, .2);
}

.contact-item > span {
  display: block;
  margin-bottom: 11px;
  color: #afcbd8;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
}

.contact-item > a,
.contact-item > p {
  display: block;
  margin: 0;
  color: white;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.75;
}

.contact-item > a:hover {
  color: var(--accent);
}

.contact-item .contact-secondary {
  color: #c5dce7;
  font-size: 11px;
  font-weight: 400;
}

.contact-decoration {
  position: absolute;
  right: -40px;
  bottom: -202px;
  color: rgba(255, 255, 255, .035);
  font-family: var(--font-display);
  font-size: 550px;
  font-weight: 800;
  line-height: 1;
  pointer-events: none;
}

.site-footer {
  background: var(--paper);
}

.footer-inner {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  border-top: 1px solid var(--line);
}

.footer-brand .brand-logo {
  width: 34px;
  height: 39px;
}

.footer-inner > p,
.copyright {
  margin: 0;
  color: #71838b;
  font-size: 10px;
}

.copyright {
  white-space: nowrap;
}

.hero h1 {
  max-width: 670px;
  font-size: clamp(43px, 4.6vw, 62px);
}

.hero h1 span,
.why-us-heading h2 span {
  color: #5aa6c9;
}

.hero-primary-cta {
  min-height: 58px;
  padding: 0 25px;
  font-size: 14px;
}

.button-outline {
  min-height: 58px;
  padding: 0 22px;
  border: 1px solid #b8d1dd;
  background: transparent;
  color: var(--ink);
  font-size: 14px;
}

.button-outline:hover {
  background: #eaf3f7;
}

.hero-promises {
  display: grid;
  gap: 9px;
  margin: 32px 0 0;
  padding: 0;
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  list-style: none;
}

.hero-promises li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.hero-promises li::before {
  content: "✓";
  color: #31804a;
  font-size: 15px;
  line-height: 1.1;
}

.situations {
  padding-top: 68px;
  padding-bottom: 72px;
  background: #f1f6f9;
}

.situation-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 24px;
}

.situation-heading h2,
.why-us-heading h2 {
  margin: 13px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 600;
  letter-spacing: -.05em;
  line-height: 1.12;
}

.situation-heading > p {
  max-width: 360px;
  margin: 0 0 4px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.situation-groups {
  display: grid;
  gap: 38px;
}

.situation-group-heading {
  margin-bottom: 16px;
}

.situation-group-heading h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.025em;
}

.situation-group-heading p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}

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

.situation-card {
  min-height: 184px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 18px 20px 20px;
  border: 1px solid #d6e3e9;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 3px 12px rgba(25, 60, 77, .035);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.situation-card:hover,
.situation-card:focus-visible {
  transform: translateY(-3px);
  border-color: #8bbbd0;
  box-shadow: 0 12px 28px rgba(25, 60, 77, .08);
}

.situation-card:focus-visible {
  outline: 3px solid #5aa6c9;
  outline-offset: 3px;
}

.situation-card-top {
  width: 100%;
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.situation-card-assessment {
  border-left: 3px solid #6da6bd;
}

.situation-card-assessment .situation-icon {
  background: #e9f3f7;
  color: #20556e;
}

.situation-tag {
  padding: 4px 8px;
  border-radius: 999px;
  background: #eef5f8;
  color: #315e71;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .045em;
  line-height: 1.2;
  text-transform: uppercase;
}

.situation-card-assessment .situation-link {
  color: #174e68;
}

.situation-card-assessment:hover,
.situation-card-assessment:focus-visible {
  border-color: #8bbbd0;
  border-left-color: #397f9b;
  background: #fff;
}

.situation-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: #e9f3f7;
  color: #28627d;
}

.situation-icon svg {
  width: 19px;
  height: 19px;
  display: block;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.situation-card h3 {
  margin: 11px 0 5px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: -.025em;
}

.situation-card p {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.55;
}

.situation-link {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  margin-top: auto;
  color: #20556e;
  font-size: 12px;
  font-weight: 700;
}

.situation-card-call {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 16px;
  min-height: 132px;
  padding: 22px 26px;
  border-color: #20556e;
  background: #20556e;
}

.situation-card-call .situation-icon {
  grid-column: 1;
  background: rgba(255, 255, 255, .14);
  color: #fff;
}

.situation-card-call-copy {
  grid-column: 2;
}

.situation-card-call h3 {
  margin: 0 0 5px;
  font-size: 18px;
}

.situation-card-call p {
  margin: 0;
}

.situation-card-call .situation-link {
  grid-column: 3;
  width: auto;
  margin: 0;
  padding: 13px 17px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .12);
  white-space: nowrap;
}

.situation-card-call h3,
.situation-card-call p,
.situation-card-call .situation-link {
  color: #fff;
}

.situation-card-call p {
  color: #d7e7ee;
}

.situation-card-call:hover,
.situation-card-call:focus-visible {
  border-color: #153e52;
  background: #18485f;
}

.situation-card-call:hover .situation-link,
.situation-card-call:focus-visible .situation-link {
  background: rgba(255, 255, 255, .2);
}

.brand-service {
  background: #e6f0f5;
}

.brand-service-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 34px;
}

.brand-service-heading h2 {
  margin: 15px 0 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 4.2vw, 54px);
  font-weight: 600;
  letter-spacing: -.06em;
  line-height: 1.08;
}

.brand-service-heading h2 span {
  color: #277c9f;
}

.brand-service-heading > p {
  max-width: 420px;
  margin: 0 0 4px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.brand-service-brands {
  display: grid;
  gap: 18px;
}

.brand-service-focus {
  gap: 10px;
}

.brand-service .brands-label {
  margin-right: 4px;
  color: #5d7480;
}

.brand-service .brand-chip {
  border-color: #91b6c7;
  background: #f8fcfe;
  color: #183c4d;
  box-shadow: 0 2px 7px rgba(25, 60, 77, .06);
}

.brand-service .brand-chip:hover {
  border-color: #277c9f;
  background: #d8ebf3;
}

.brand-service .brand-chip[aria-expanded="true"] {
  border-color: #173f55;
  background: #173f55;
  color: #fff;
  box-shadow: 0 4px 12px rgba(23, 63, 85, .2);
}

.brand-service .brand-chip-icon {
  background: #e4f0f5;
  color: #20556e;
}

.brand-service .brand-chip[aria-expanded="true"] .brand-chip-icon {
  background: rgba(255, 255, 255, .18);
  color: #fff;
}

.brand-service-panel {
  grid-template-columns: .9fr 1.1fr;
  gap: 32px;
  padding: 30px;
  border-color: #a9c8d5;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(25, 60, 77, .07);
}

.brand-service-panel .brand-panel-kicker {
  color: #236f90;
}

.brand-service-panel .brand-panel-intro p {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.brand-service-panel .brand-panel h4 {
  color: var(--ink);
}

.brand-service-panel .brand-panel-body > ul:not(.brand-list) li {
  color: #314f5c;
}

.brand-service-panel .brand-panel-body > ul:not(.brand-list) li::before {
  background: #277c9f;
}

.brand-service-panel .brand-list li {
  border-color: #aac9d6;
  background: #e6f1f5;
  color: #173f55;
}

.brand-service-panel .arrow-link {
  display: inline-flex;
  margin-right: 20px;
  color: #20556e;
}

.brand-service-panel .arrow-link:hover {
  color: #277c9f;
}

.brand-service .brand-service-guide {
  margin-top: 2px;
}

.brand-service-guide {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 20px;
  padding: 21px 24px;
  border: 1px solid #bfd5e0;
  border-radius: 4px;
  background: #f9fcfd;
  color: var(--ink);
}

.brand-service-guide > span:first-child {
  display: grid;
  gap: 5px;
}

.brand-service-guide strong {
  font-family: var(--font-display);
  font-size: 15px;
}

.brand-service-guide > span:first-child > span {
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}

.brand-service-guide > span:last-child {
  flex: 0 0 auto;
  color: #20556e;
  font-size: 12px;
  font-weight: 700;
}

.work-preview {
  background: #f2f7fa;
}

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

.work-preview-card {
  overflow: hidden;
  border: 1px solid #d8e5eb;
  border-radius: 4px;
  background: #fff;
}

.work-preview-card img {
  width: 100%;
  height: 250px;
  display: block;
  object-fit: cover;
  object-position: center;
  background: #e7eef2;
}

.work-preview-card > span {
  min-height: 96px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
}

.work-preview-card strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
}

.work-preview-card > span > span {
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}

.work-preview-card .work-preview-card-link {
  margin-top: auto;
  color: #20556e;
  font-size: 11px;
  font-weight: 700;
}

.work-preview-card:hover strong {
  color: #3b809e;
}

.co2-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 4px;
  background: #eaf3f7;
}

.co2-cta p {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.co2-cta .arrow-link {
  flex: 0 0 auto;
}

.why-us {
  background: #fff;
}

.why-us-heading {
  margin-bottom: 35px;
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid #d6e4eb;
  border-left: 1px solid #d6e4eb;
}

.why-us-grid article {
  min-height: 200px;
  padding: 22px 20px;
  border-right: 1px solid #d6e4eb;
  border-bottom: 1px solid #d6e4eb;
  background: #f8fbfc;
}

.why-us-grid article > span {
  color: #6faeca;
  font-size: 11px;
  font-weight: 700;
}

.why-us-grid h3 {
  margin: 25px 0 9px;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.35;
}

.why-us-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.65;
}

.why-us-grid a {
  display: inline-block;
  margin-top: 10px;
  color: #20556e;
  font-size: 12px;
  font-weight: 700;
}

.maintenance-promo {
  padding: 46px 0;
  background: var(--brand-deep);
  color: #fff;
}

.maintenance-promo-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.maintenance-promo .section-index {
  color: #b9d5e1;
}

.maintenance-promo h2 {
  margin: 13px 0 9px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: -.04em;
}

.maintenance-promo p {
  max-width: 650px;
  margin: 0;
  color: #c9dce5;
  font-size: 14px;
  line-height: 1.7;
}

.maintenance-promo .button {
  flex: 0 0 auto;
}

.home-mobile-cta {
  display: none;
}

.hero-proof {
  display: none;
}

@media (max-width: 900px) {
  .hero h1 {
    font-size: clamp(38px, 5.6vw, 52px);
  }

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

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

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

@media (max-width: 640px) {
  .home-page {
    padding-bottom: 62px;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: clamp(37px, 10vw, 48px);
  }

  .hero-grid {
    padding-bottom: 34px;
  }

  .hero-actions {
    align-items: stretch;
    gap: 10px;
  }

  .hero-actions .button {
    min-height: 52px;
    justify-content: center;
    padding: 0 14px;
    font-size: 12px;
  }

  .hero-promises {
    margin-top: 25px;
    font-size: 11px;
  }

  .situations {
    padding-top: 56px;
    padding-bottom: 58px;
  }

  .situation-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .situation-heading h2 {
    font-size: 32px;
  }

  .situation-group-grid {
    gap: 9px;
  }

  .situation-group-heading h3 {
    font-size: 17px;
  }

  .brand-service-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .brand-service-focus {
    align-items: flex-start;
  }

  .brand-service-guide {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-service-guide > span:last-child {
    align-self: flex-start;
  }

  .work-preview-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .work-preview-card {
    display: grid;
    grid-template-columns: 105px 1fr;
  }

  .work-preview-card img {
    height: 100%;
    min-height: 110px;
  }

  .work-preview-card > span {
    min-height: 110px;
    justify-content: center;
    padding: 12px;
  }

  .situation-card {
    min-height: 172px;
    padding: 14px;
  }

  .situation-card h3 {
    font-size: 14px;
  }

  .situation-card-call {
    grid-column: 1 / -1;
    grid-template-columns: 34px minmax(0, 1fr);
    column-gap: 12px;
    min-height: 132px;
    padding: 18px;
  }

  .situation-card-call-copy {
    grid-column: 2;
  }

  .situation-card-call h3 {
    font-size: 16px;
  }

  .situation-card-call .situation-link {
    grid-column: 2;
    grid-row: 2;
    margin-top: 12px;
    padding: 0;
    background: transparent;
    white-space: normal;
  }

  .situation-card-call:hover .situation-link,
  .situation-card-call:focus-visible .situation-link {
    background: transparent;
  }

  .situation-card p {
    font-size: 11px;
  }

  .situation-link {
    font-size: 11px;
  }

  .co2-cta,
  .maintenance-promo-inner {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .why-us-grid article {
    min-height: 180px;
    padding: 17px 15px;
  }

  .why-us-grid h3 {
    margin-top: 17px;
    font-size: 14px;
  }

  .maintenance-promo {
    padding: 34px 0;
  }

  .home-mobile-cta {
    position: fixed;
    z-index: 1000;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    border-top: 1px solid #d3e2e9;
    background: rgba(255, 255, 255, .97);
    box-shadow: 0 -5px 20px rgba(25, 60, 77, .1);
  }

  .home-mobile-cta a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    color: var(--ink);
    font-size: 12px;
    font-weight: 700;
  }

  .home-mobile-cta a + a {
    border-radius: 3px;
    background: var(--brand);
    color: #fff;
  }
}

@media (prefers-reduced-motion: reduce) {
  .situation-card {
    transition: none;
  }
}

@media (max-width: 1100px) {
  .primary-navigation {
    gap: 22px;
  }
}

@media (max-width: 900px) {
  .container {
    width: min(100% - 44px, 700px);
  }

  .primary-navigation {
    gap: 22px;
  }

  .hero-grid {
    min-height: 560px;
    grid-template-columns: 1fr .85fr;
    gap: 0;
  }

  .hero h1 {
    font-size: clamp(45px, 6.7vw, 60px);
  }

  .hero-visual {
    min-height: 420px;
    margin-right: -20px;
  }

  .air-card-top {
    top: 0;
    right: 0;
  }

  .air-card-bottom {
    bottom: 0;
    left: -15px;
  }

  .intro-grid {
    grid-template-columns: .7fr 2.3fr;
    gap: 20px;
  }

  .intro-lower {
    align-items: stretch;
    flex-direction: column;
    gap: 28px;
  }

  .co2-grid,
  .ivx {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .co2-scene-wrap {
    max-width: 420px;
  }

  .co2-lab {
    padding: 24px 22px 20px;
  }

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

  .service-cta {
    grid-column: span 1;
    padding: 28px 22px;
  }

  .gallery {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 240px;
  }

  .service-card {
    min-height: 285px;
    padding: 24px 20px;
  }

  .service-number {
    right: 20px;
  }

  .maintenance-grid {
    gap: 40px;
  }

  .maintenance-content {
    padding: 30px;
  }

  .contact-panel {
    gap: 35px;
    padding: 55px 40px;
  }

  .contact-details {
    padding-left: 25px;
  }
}

@media (min-width: 641px) and (max-width: 760px) {
  .maintenance-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .hero-visual {
    width: min(100%, 500px);
    min-height: 420px;
    justify-self: center;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .ivx-stat {
    grid-template-columns: 92px 1fr 74px;
    gap: 10px;
  }

  .co2-lab {
    margin-top: 36px;
    padding: 22px 18px 18px;
  }

  html {
    scroll-padding-top: 72px;
  }

  .container {
    width: calc(100% - 40px);
  }

  .header-inner {
    min-height: 72px;
  }

  .brand-logo {
    width: 42px;
    height: 48px;
  }

  .brand {
    gap: 9px;
  }

  .brand-type strong {
    font-size: 14px;
  }

  .brand-type > span {
    font-size: 8px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px solid #d6e5ed;
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
  }

  .menu-toggle span {
    width: 17px;
    height: 1.5px;
    background: var(--ink);
    transition: transform .2s ease;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.75px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.75px) rotate(-45deg);
  }

  .primary-navigation {
    position: absolute;
    top: 72px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 10px 20px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    box-shadow: 0 15px 20px rgba(22, 58, 76, .06);
  }

  .primary-navigation.is-open {
    display: flex;
  }

  .primary-navigation > a:not(.button) {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .primary-navigation .button {
    align-self: flex-start;
    margin-top: 15px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 35px;
    padding-bottom: 12px;
  }

  .hero-copy {
    padding: 15px 0 0;
  }

  .eyebrow {
    font-size: 9px;
  }

  .hero h1 {
    margin-top: 22px;
    font-size: clamp(46px, 12vw, 62px);
  }

  .hero-description {
    max-width: 420px;
    font-size: 13px;
  }

  .hero-actions {
    gap: 18px;
  }

  .button {
    min-height: 50px;
    gap: 12px;
    padding: 0 17px;
    font-size: 12px;
  }

  .text-link {
    gap: 7px;
    font-size: 10px;
  }

  .hero-proof {
    margin-top: 28px;
  }

  .hero-visual {
    width: min(100%, 430px);
    min-height: 340px;
    justify-self: center;
    margin: 5px 0 0;
  }

  .air-card {
    gap: 8px;
    padding: 9px 11px;
  }

  .air-card-top {
    top: 10px;
    right: 0;
  }

  .air-card-bottom {
    bottom: -4px;
    left: 0;
  }

  .air-card-icon {
    width: 26px;
    height: 26px;
    font-size: 14px;
  }

  .air-card strong {
    font-size: 9px;
  }

  .air-card small {
    font-size: 8px;
  }

  .visual-caption {
    right: 4px;
    bottom: 0;
    font-size: 8px;
  }

  .hero-bottom {
    min-height: 48px;
    font-size: 7px;
  }

  .hero-bottom i {
    padding: 0 4px;
  }

  .section-pad {
    padding: 76px 0;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .intro-label {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 0;
  }

  .index-line {
    width: 30px;
    margin: 0;
  }

  .intro h2,
  .section-heading h2 {
    font-size: clamp(38px, 10vw, 50px);
  }

  .intro-lower {
    margin-top: 22px;
  }

  .intro-lower p {
    font-size: 13px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 19px;
    margin-bottom: 30px;
  }

  .section-heading h2 {
    margin-top: 13px;
  }

  .section-heading > p {
    max-width: 440px;
    font-size: 12px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-cta {
    padding: 30px 24px;
  }

  .service-card {
    min-height: 245px;
    padding: 24px;
  }

  .service-number {
    top: 29px;
    right: 25px;
  }

  .service-card h3 {
    margin-top: 18px;
    font-size: 17px;
  }

  .service-card p {
    font-size: 11px;
  }

  .service-more-body p {
    font-size: 12px;
  }

  .clients {
    margin-top: 40px;
  }

  .client-list li {
    font-size: 11px;
  }

  .maintenance-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .maintenance-content {
    padding: 26px 22px;
  }

  .check-list li {
    font-size: 12px;
  }

  .contact {
    padding: 65px 0;
  }

  .contact-panel {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 42px 25px;
  }

  .contact h2 {
    font-size: clamp(38px, 10vw, 49px);
  }

  .contact-main > p {
    font-size: 12px;
  }

  .contact-details {
    gap: 27px 14px;
    padding: 30px 0 0;
    border-top: 1px solid rgba(255, 255, 255, .2);
    border-left: 0;
  }

  .contact-item > a,
  .contact-item > p {
    font-size: 11px;
  }

  .contact-decoration {
    right: -10px;
    bottom: -105px;
    font-size: 280px;
  }

  .footer-inner {
    min-height: 130px;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding-top: 22px;
    padding-bottom: 18px;
  }

  .footer-inner > p {
    order: 1;
    width: 100%;
  }

  .copyright {
    font-size: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *:not(.live-svg *),
  *:not(.live-svg *)::before,
  *:not(.live-svg *)::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.copyright a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}