:root {
  --color-ink: #06142f;
  --color-ink-2: #0a224c;
  --color-royal: #1265ff;
  --color-royal-2: #0c4ec7;
  --color-ice: #dff6ff;
  --color-ice-2: #8bdfff;
  --color-silver: #d7e1ec;
  --color-silver-2: #eef5fb;
  --color-white: #ffffff;
  --color-muted: #5d6c82;
  --color-line: rgba(141, 168, 202, 0.22);
  --shadow-soft: 0 18px 45px rgba(6, 20, 47, 0.12);
  --shadow-blue: 0 18px 50px rgba(18, 101, 255, 0.28);
  --radius-xs: 4px;
  --radius-sm: 8px;
  --container: 1180px;
  --space-section: clamp(52px, 6vw, 92px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 220ms var(--ease);
  --font-main: "Alexandria", "Segoe UI", Tahoma, Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--color-ink);
  background:
    linear-gradient(180deg, rgba(223, 246, 255, 0.52) 0%, rgba(255, 255, 255, 0) 30%),
    var(--color-white);
  font-family: var(--font-main);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.site-header,
main,
.site-footer {
  width: 100%;
  max-width: 100vw;
  overflow-x: clip;
}

@supports not (overflow: clip) {
  .site-header,
  main,
  .site-footer {
    overflow-x: hidden;
  }
}

body.menu-open {
  overflow: hidden;
}

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

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

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

button {
  cursor: pointer;
}

::selection {
  color: var(--color-white);
  background: var(--color-royal);
}

.skip-link {
  position: fixed;
  inset-block-start: 12px;
  inset-inline-start: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  padding: 10px 14px;
  color: var(--color-white);
  background: var(--color-royal);
  border-radius: var(--radius-xs);
  transition: transform var(--transition);
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-right: auto;
  margin-left: auto;
}

.section-pad {
  padding-block: var(--space-section);
}

.section-dark {
  color: var(--color-white);
  background:
    radial-gradient(900px 540px at 18% 26%, rgba(18, 101, 255, 0.34), transparent 60%),
    linear-gradient(135deg, #06142f 0%, #091a3a 42%, #0b2c67 100%);
}

.section-kicker,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-block-end: 12px;
  color: var(--color-royal);
  font-size: 0.84rem;
  font-weight: 800;
}

.section-dark .section-kicker,
.section-dark .eyebrow,
.cta-strip .section-kicker {
  color: var(--color-ice-2);
}

.section-kicker::before,
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

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

h1,
h2,
h3 {
  line-height: 1.28;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin-block-end: 24px;
  font-size: clamp(2.35rem, 4vw, 4.25rem);
  font-weight: 900;
  line-height: 1.32;
}

.hero h1 span {
  display: inline;
}

h2 {
  margin-block-end: 16px;
  font-size: clamp(1.55rem, 2.55vw, 2.55rem);
  font-weight: 900;
}

h3 {
  margin-block-end: 9px;
  font-size: clamp(1rem, 1.25vw, 1.18rem);
  font-weight: 800;
}

p {
  margin-block-end: 0;
  color: var(--color-muted);
  overflow-wrap: break-word;
}

.section-dark p,
.cta-strip p,
.final-cta p {
  color: rgba(255, 255, 255, 0.76);
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 900;
  font-size: 0.95rem;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(110%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transition: transform 620ms var(--ease);
}

.btn:hover::after,
.btn:focus-visible::after {
  transform: translateX(-110%);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn:focus-visible,
.menu-toggle:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(139, 223, 255, 0.75);
  outline-offset: 3px;
}

.btn-primary {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-royal), #22c8ff);
  box-shadow: 0 0 0 1px rgba(139, 223, 255, 0.18), var(--shadow-blue);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 0 0 6px rgba(18, 101, 255, 0.13), var(--shadow-blue);
}

.btn-secondary {
  color: var(--color-ice);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(223, 246, 255, 0.26);
  backdrop-filter: blur(14px);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(139, 223, 255, 0.7);
  background: rgba(255, 255, 255, 0.16);
}

.btn-ghost {
  color: var(--color-ink);
  background: var(--color-white);
  border-color: rgba(18, 101, 255, 0.16);
  box-shadow: 0 10px 26px rgba(6, 20, 47, 0.08);
}

.btn-outline {
  color: var(--color-royal);
  background: transparent;
  border-color: rgba(18, 101, 255, 0.28);
}

.btn-small {
  min-height: 40px;
  padding: 10px 14px;
  font-size: 0.88rem;
}

.btn-large {
  min-height: 56px;
  padding: 16px 26px;
  font-size: 1rem;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  border-block-end: 1px solid rgba(141, 168, 202, 0.2);
  backdrop-filter: blur(18px);
  transition:
    box-shadow var(--transition),
    background var(--transition),
    transform var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 16px 42px rgba(6, 20, 47, 0.08);
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 82px;
}

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

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--color-ink), var(--color-royal-2));
  box-shadow: 0 12px 26px rgba(18, 101, 255, 0.24);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  content: "";
  position: absolute;
  background: var(--color-ice);
  border-radius: 1px;
}

.brand-mark::before {
  width: 24px;
  height: 3px;
  transform: translateY(-7px);
}

.brand-mark::after {
  width: 18px;
  height: 3px;
  transform: translateY(7px);
}

.brand-mark span {
  width: 3px;
  height: 26px;
}

.brand-copy {
  display: grid;
  gap: 1px;
  line-height: 1.25;
}

.brand-copy strong {
  font-size: 1.06rem;
  color: var(--color-ink);
}

.brand-copy small {
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.4vw, 22px);
  color: #223652;
  font-size: 0.94rem;
  font-weight: 800;
}

.desktop-nav a {
  position: relative;
  padding-block: 8px;
  transition: color var(--transition);
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--color-royal);
  transition: transform var(--transition);
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--color-royal);
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
}

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

.header-phone {
  direction: ltr;
  padding: 8px 10px;
  color: var(--color-royal);
  background: rgba(18, 101, 255, 0.07);
  border: 1px solid rgba(18, 101, 255, 0.12);
  border-radius: var(--radius-xs);
  font-size: 0.88rem;
  font-weight: 900;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(18, 101, 255, 0.15);
  border-radius: var(--radius-sm);
  background: var(--color-white);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--color-ink);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100svh - 34px));
  overflow: hidden;
  isolation: isolate;
}

.hero::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  z-index: -1;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.06));
}

.hero-scene {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.cool-grid {
  position: absolute;
  inset: 0;
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(223, 246, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(223, 246, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 18%, #000 88%, transparent 100%);
}

.hvac-visual {
  position: absolute;
  left: max(24px, calc((100vw - var(--container)) / 2));
  inset-block-start: 19%;
  width: min(42vw, 520px);
  min-width: 420px;
  aspect-ratio: 1.08;
  animation: floatVisual 7s var(--ease) infinite alternate;
}

.hvac-glow {
  position: absolute;
  inset: 7% 2% 0 4%;
  background:
    radial-gradient(closest-side at 48% 45%, rgba(139, 223, 255, 0.46), transparent 74%),
    radial-gradient(closest-side at 68% 38%, rgba(18, 101, 255, 0.48), transparent 72%);
  filter: blur(18px);
}

.hvac-unit {
  position: absolute;
  inset-block-start: 20%;
  inset-inline-start: 9%;
  width: 76%;
  height: 33%;
  border: 1px solid rgba(223, 246, 255, 0.34);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(208, 232, 248, 0.92) 48%, rgba(145, 183, 220, 0.88)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.15), transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -14px 24px rgba(6, 20, 47, 0.08),
    0 26px 90px rgba(0, 0, 0, 0.34);
}

.unit-light {
  position: absolute;
  inset-block-start: 22%;
  inset-inline-start: 8%;
  width: 12px;
  height: 12px;
  background: #39e7ff;
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(57, 231, 255, 0.8);
}

.unit-line {
  position: absolute;
  inset-inline: 9%;
  inset-block-end: 32%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(6, 20, 47, 0.32), transparent);
}

.unit-vent {
  position: absolute;
  inset-inline: 12%;
  inset-block-end: 16%;
  height: 16px;
  background:
    repeating-linear-gradient(90deg, rgba(6, 20, 47, 0.24) 0 2px, transparent 2px 14px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(6, 20, 47, 0.08));
  border-radius: var(--radius-xs);
}

.air-flow {
  position: absolute;
  left: 18%;
  height: 46px;
  border: 1px solid rgba(139, 223, 255, 0.38);
  border-inline-start-color: transparent;
  border-block-start-color: transparent;
  border-radius: 0 0 90px 0;
  filter: drop-shadow(0 0 14px rgba(139, 223, 255, 0.36));
  animation: airMove 3.8s var(--ease) infinite;
}

.flow-one {
  inset-block-start: 56%;
  width: 58%;
}

.flow-two {
  inset-block-start: 68%;
  width: 46%;
  animation-delay: 440ms;
}

.flow-three {
  inset-block-start: 79%;
  width: 34%;
  animation-delay: 880ms;
}

.pipe-card {
  position: absolute;
  right: 4%;
  inset-block-end: 8%;
  display: grid;
  gap: 4px;
  width: 190px;
  padding: 16px;
  color: var(--color-white);
  border: 1px solid rgba(223, 246, 255, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(6, 20, 47, 0.64);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(14px);
}

.pipe-card span {
  width: 46px;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #d6a252, #f2d9a0, #a96f2a);
}

.pipe-card strong {
  line-height: 1.3;
}

.pipe-card small {
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: min(760px, calc(100svh - 34px));
  padding-block: clamp(108px, 10vw, 156px) clamp(62px, 7vw, 98px);
}

.hero-subtitle {
  max-width: 700px;
  margin-block-end: 28px;
  font-size: clamp(0.98rem, 1.22vw, 1.16rem);
  font-weight: 600;
  line-height: 2;
}

.hero-ctas,
.featured-actions,
.contact-actions,
.final-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.contact-actions .btn-secondary {
  color: var(--color-white);
  background: linear-gradient(135deg, #0aa866, #18d487);
  border-color: rgba(24, 212, 135, 0.32);
  box-shadow: 0 14px 34px rgba(10, 168, 102, 0.24);
}

.contact-actions .btn-secondary:hover,
.contact-actions .btn-secondary:focus-visible {
  color: var(--color-white);
  background: linear-gradient(135deg, #07965a, #12c77d);
  border-color: rgba(24, 212, 135, 0.62);
  box-shadow: 0 18px 42px rgba(10, 168, 102, 0.3);
}

.phone-ribbon {
  display: flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  margin-block: 22px 14px;
  padding: 12px 14px;
  border: 1px solid rgba(223, 246, 255, 0.18);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.phone-ribbon span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
  font-weight: 800;
}

.phone-ribbon strong,
.final-phone {
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--color-ice-2);
  font-size: clamp(1.08rem, 1.8vw, 1.36rem);
  font-weight: 950;
}

.microcopy {
  max-width: 530px;
  margin-block-end: 20px;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.8;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 680px;
}

.trust-badges span,
.types-list span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 11px;
  color: var(--color-ice);
  border: 1px solid rgba(223, 246, 255, 0.16);
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  font-weight: 800;
}

.intro-shell {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(24px, 5vw, 74px);
  align-items: center;
  padding-block: 12px;
  border-block: 1px solid rgba(141, 168, 202, 0.2);
}

.intro-shell p {
  font-size: clamp(0.96rem, 1.16vw, 1.1rem);
  color: #31435d;
}

.section-heading {
  max-width: 760px;
  margin-block-end: clamp(28px, 3.6vw, 46px);
}

.section-heading p {
  font-size: 0.96rem;
}

.services {
  background:
    linear-gradient(180deg, rgba(238, 245, 251, 0.78), rgba(255, 255, 255, 0.92)),
    var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card,
.benefit-card,
.process-step,
.content-block,
.faq-item,
.lead-form {
  border: 1px solid rgba(141, 168, 202, 0.22);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 36px rgba(6, 20, 47, 0.07);
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 292px;
  padding: 20px;
  overflow: hidden;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.service-card::before,
.benefit-card::before,
.process-step::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-royal), var(--color-ice-2));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.service-card:hover,
.benefit-card:hover,
.process-step:hover {
  transform: translateY(-6px);
  border-color: rgba(18, 101, 255, 0.26);
  box-shadow: 0 22px 54px rgba(6, 20, 47, 0.12);
}

.service-card:hover::before,
.benefit-card:hover::before,
.process-step:hover::before {
  transform: scaleX(1);
}

.icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-block-end: 18px;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, rgba(18, 101, 255, 0.11), rgba(139, 223, 255, 0.18));
  border: 1px solid rgba(18, 101, 255, 0.14);
}

.icon::before,
.icon::after {
  content: "";
  position: absolute;
}

.icon-ac::before {
  width: 28px;
  height: 14px;
  border: 2px solid var(--color-royal);
  border-radius: 3px;
}

.icon-ac::after {
  width: 22px;
  height: 2px;
  background: var(--color-ice-2);
  transform: translateY(9px);
  box-shadow: 0 6px 0 rgba(18, 101, 255, 0.42);
}

.icon-wash::before {
  width: 18px;
  height: 24px;
  border: 2px solid var(--color-royal);
  border-radius: 50% 50% 45% 45%;
}

.icon-wash::after {
  width: 26px;
  height: 2px;
  background: var(--color-ice-2);
  transform: rotate(-24deg) translateY(13px);
}

.icon-package::before {
  width: 28px;
  height: 22px;
  border: 2px solid var(--color-royal);
  border-radius: 3px;
}

.icon-package::after {
  width: 18px;
  height: 2px;
  background: var(--color-ice-2);
  box-shadow: 0 6px 0 var(--color-ice-2), 0 -6px 0 var(--color-ice-2);
}

.icon-central::before {
  width: 28px;
  height: 28px;
  border: 2px solid var(--color-royal);
  border-radius: 50%;
}

.icon-central::after {
  width: 4px;
  height: 28px;
  background: var(--color-ice-2);
  box-shadow: 0 0 0 1px rgba(18, 101, 255, 0.16);
  transform: rotate(45deg);
}

.icon-concealed::before {
  width: 30px;
  height: 16px;
  border-block: 2px solid var(--color-royal);
}

.icon-concealed::after {
  width: 24px;
  height: 2px;
  background: var(--color-ice-2);
  box-shadow: 0 7px 0 var(--color-ice-2), 0 -7px 0 var(--color-ice-2);
}

.icon-pipe::before,
.icon-route::before {
  width: 30px;
  height: 18px;
  border: 3px solid #bd8136;
  border-inline-start-color: transparent;
  border-block-start-color: transparent;
  border-radius: 0 0 15px 0;
}

.icon-pipe::after,
.icon-route::after {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-ice-2);
  transform: translate(-13px, -10px);
}

.icon-tools::before {
  width: 26px;
  height: 4px;
  background: var(--color-royal);
  transform: rotate(-40deg);
  border-radius: 2px;
}

.icon-tools::after {
  width: 14px;
  height: 14px;
  border: 3px solid var(--color-ice-2);
  border-radius: 50%;
  transform: translate(7px, -7px);
}

.service-card p {
  margin-block-end: 18px;
  font-size: 0.9rem;
}

.service-card a {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 42px;
  margin-block-start: auto;
  padding-block-start: 14px;
  color: var(--color-royal);
  border-block-start: 1px solid rgba(141, 168, 202, 0.22);
  font-weight: 900;
}

.service-card a span {
  color: var(--color-muted);
  font-size: 0.82rem;
}

.featured {
  background:
    linear-gradient(135deg, rgba(6, 20, 47, 0.98), rgba(7, 39, 92, 0.96)),
    var(--color-ink);
  color: var(--color-white);
}

.featured-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
}

.featured-copy p {
  max-width: 620px;
  margin-block-end: 28px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.06rem;
}

.feature-list {
  display: grid;
  gap: 12px;
}

.feature-list div {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 15px 16px;
  border: 1px solid rgba(223, 246, 255, 0.16);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 800;
}

.feature-list span {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(139, 223, 255, 0.56);
  border-radius: var(--radius-xs);
  background:
    linear-gradient(135deg, rgba(139, 223, 255, 0.36), rgba(18, 101, 255, 0.44)),
    rgba(255, 255, 255, 0.08);
}

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

.benefit-card,
.process-step,
.content-block {
  position: relative;
  padding: 22px;
}

.benefit-card p,
.process-step p,
.content-block p {
  font-size: 0.91rem;
}

.cta-strip {
  padding-block: 42px;
  color: var(--color-white);
  background:
    linear-gradient(90deg, #06142f, #0b45a1 55%, #1265ff),
    var(--color-royal);
}

.cta-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.cta-shell h2 {
  margin-block-end: 8px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.cta-actions strong {
  min-width: 180px;
  color: var(--color-ice);
  font-size: 1.15rem;
  font-weight: 950;
  text-align: center;
}

.process {
  background: var(--color-white);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-block-end: 18px;
  color: var(--color-royal);
  border: 1px solid rgba(18, 101, 255, 0.18);
  border-radius: var(--radius-sm);
  background: rgba(18, 101, 255, 0.07);
  font-weight: 950;
}

.types {
  background: linear-gradient(180deg, rgba(238, 245, 251, 0.88), rgba(255, 255, 255, 0.9));
}

.types-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: center;
}

.types-copy p {
  font-size: 1.03rem;
}

.types-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.types-list span {
  color: var(--color-ink);
  background: var(--color-white);
  border-color: rgba(18, 101, 255, 0.16);
  box-shadow: 0 10px 24px rgba(6, 20, 47, 0.07);
}

.areas {
  padding-block: clamp(52px, 6vw, 84px);
}

.areas-shell {
  display: grid;
  gap: 12px;
  max-width: 860px;
}

.areas-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  margin-block-start: 14px;
  padding: 14px 16px;
  border-inline-start: 4px solid var(--color-royal);
  background: rgba(18, 101, 255, 0.06);
  border-radius: var(--radius-xs);
}

.areas-note strong {
  color: var(--color-royal);
}

.areas-note span {
  color: var(--color-muted);
}

.seo-content {
  background: #f8fbff;
}

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

.pre-faq-cta {
  padding-block: 46px;
  color: var(--color-white);
  background:
    linear-gradient(135deg, rgba(6, 20, 47, 0.96), rgba(10, 34, 76, 0.98)),
    var(--color-ink);
}

.pre-faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(260px, 1fr) auto;
  gap: 18px;
  align-items: center;
}

.pre-faq-shell h2 {
  margin-block-end: 0;
  font-size: clamp(1.35rem, 2.5vw, 2.28rem);
}

.pre-faq-shell p {
  color: rgba(255, 255, 255, 0.72);
}

.pre-faq-shell div {
  display: flex;
  gap: 10px;
}

.pre-faq-shell strong {
  color: var(--color-ice-2);
  font-weight: 950;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  min-height: 64px;
  padding: 18px 56px 18px 20px;
  list-style: none;
  color: var(--color-ink);
  font-weight: 900;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before,
.faq-item summary::after {
  content: "";
  position: absolute;
  inset-inline-start: 22px;
  inset-block-start: 31px;
  width: 16px;
  height: 2px;
  background: var(--color-royal);
  transition: transform var(--transition);
}

.faq-item summary::after {
  transform: rotate(90deg);
}

.faq-item[open] summary::after {
  transform: rotate(0);
}

.faq-item p {
  padding: 0 56px 22px 20px;
}

.contact {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(238, 245, 251, 0.8)),
    var(--color-white);
}

.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.82fr);
  gap: clamp(28px, 5vw, 74px);
  align-items: start;
}

.contact-info p {
  margin-block-end: 24px;
  font-size: 1.02rem;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-block-end: 24px;
}

.contact-cards div {
  min-height: 92px;
  padding: 16px;
  border: 1px solid rgba(141, 168, 202, 0.22);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  box-shadow: 0 10px 28px rgba(6, 20, 47, 0.06);
}

.contact-cards span {
  display: block;
  margin-block-end: 6px;
  color: var(--color-muted);
  font-size: 0.85rem;
  font-weight: 900;
}

.contact-cards strong {
  color: var(--color-ink);
  font-size: 1rem;
}

.lead-form {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3vw, 30px);
}

.lead-form label {
  display: grid;
  gap: 7px;
}

.lead-form label span {
  color: var(--color-ink);
  font-weight: 900;
}

.lead-form input,
.lead-form select,
.lead-form textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  color: var(--color-ink);
  border: 1px solid rgba(141, 168, 202, 0.32);
  border-radius: var(--radius-xs);
  background: #fbfdff;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.lead-form textarea {
  min-height: 118px;
  resize: vertical;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  border-color: rgba(18, 101, 255, 0.52);
  background: var(--color-white);
  box-shadow: 0 0 0 4px rgba(18, 101, 255, 0.08);
}

.btn-form {
  width: 100%;
  margin-block-start: 2px;
}

.form-note {
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 750;
  text-align: center;
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding-block: clamp(72px, 8vw, 122px);
  isolation: isolate;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(223, 246, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(223, 246, 255, 0.08) 1px, transparent 1px);
  background-size: 54px 54px;
  opacity: 0.22;
}

.final-shell {
  max-width: 840px;
  text-align: center;
}

.final-shell .section-kicker {
  justify-content: center;
}

.final-shell .section-kicker::before {
  display: none;
}

.final-shell p {
  margin-block-end: 28px;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.final-actions {
  justify-content: center;
  margin-block-end: 18px;
}

.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: #041026;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.15fr) repeat(3, minmax(0, 0.7fr));
  gap: clamp(24px, 4vw, 48px);
  padding-block: 54px 40px;
}

.brand-footer .brand-copy strong,
.brand-footer .brand-copy small {
  color: var(--color-white);
}

.footer-brand p {
  max-width: 390px;
  margin-block-start: 16px;
  color: rgba(255, 255, 255, 0.68);
}

.footer-links,
.footer-contact {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-links h2,
.footer-contact h2 {
  margin-block-end: 8px;
  color: var(--color-white);
  font-size: 1rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.68);
  font-weight: 750;
  transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-ice-2);
}

.footer-contact p {
  display: grid;
  gap: 2px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact span {
  font-size: 0.82rem;
  font-weight: 900;
}

.footer-contact strong {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 18px 24px;
  border-block-start: 1px solid rgba(223, 246, 255, 0.12);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.92rem;
}

.developer-credit {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  font-weight: 850;
}

.developer-credit img {
  width: 96px;
  height: auto;
  object-fit: contain;
}

.floating-whatsapp {
  position: fixed;
  inset-inline-start: 22px;
  inset-block-end: 24px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 11px 14px;
  color: var(--color-white);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #0bb86d, #17d98a);
  box-shadow: 0 16px 38px rgba(11, 184, 109, 0.3);
  transition: transform var(--transition), box-shadow var(--transition);
}

.floating-whatsapp:hover,
.floating-whatsapp:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 20px 48px rgba(11, 184, 109, 0.36);
}

.floating-whatsapp span {
  position: relative;
  width: 19px;
  height: 19px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.floating-whatsapp span::after {
  content: "";
  position: absolute;
  inset-inline-end: -2px;
  inset-block-end: -4px;
  width: 8px;
  height: 8px;
  border-inline-start: 2px solid currentColor;
  border-block-end: 2px solid currentColor;
  transform: rotate(-20deg);
}

.mobile-cta-bar {
  position: fixed;
  inset-inline: 0;
  inset-block-end: 0;
  z-index: 110;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(4, 16, 38, 0.92);
  border-block-start: 1px solid rgba(223, 246, 255, 0.14);
  box-shadow: 0 -18px 44px rgba(6, 20, 47, 0.18);
  backdrop-filter: blur(14px);
  transform: translateY(110%);
  animation: ctaSlide 520ms var(--ease) 900ms forwards;
}

.mobile-cta-bar a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-weight: 950;
}

.mobile-cta-bar a:first-child {
  background: linear-gradient(135deg, var(--color-royal), #22c8ff);
}

.mobile-cta-bar a:last-child {
  background: linear-gradient(135deg, #0bb86d, #17d98a);
}

.reveal {
  opacity: 1;
  transform: none;
}

.can-reveal .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 680ms var(--ease),
    transform 680ms var(--ease);
}

.can-reveal .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes floatVisual {
  from {
    transform: translate3d(0, -8px, 0);
  }
  to {
    transform: translate3d(0, 10px, 0);
  }
}

@keyframes airMove {
  0% {
    opacity: 0;
    transform: translateY(-10px) scaleX(0.82);
  }
  28% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(18px) scaleX(1.06);
  }
}

@keyframes ctaSlide {
  to {
    transform: translateY(0);
  }
}

@media (min-width: 1440px) {
  :root {
    --container: 1280px;
  }

  .hero-content {
    padding-block-start: 132px;
  }

  .services-grid {
    gap: 20px;
  }
}

@media (max-width: 1200px) {
  :root {
    --container: 1080px;
  }

  .header-phone,
  .header-actions .btn-ghost {
    display: none;
  }

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

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

@media (max-width: 992px) {
  :root {
    --space-section: clamp(48px, 7vw, 76px);
  }

  .desktop-nav,
  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-menu {
    position: fixed;
    inset-inline: 0;
    inset-block-start: 82px;
    z-index: 99;
    display: block;
    max-height: calc(100svh - 82px);
    overflow-y: auto;
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    border-block-end: 1px solid rgba(141, 168, 202, 0.22);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 24px 64px rgba(6, 20, 47, 0.14);
    transition:
      opacity var(--transition),
      transform var(--transition);
  }

  .mobile-menu.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .mobile-menu-inner {
    display: grid;
    gap: 4px;
    padding-block: 18px 24px;
  }

  .mobile-menu a {
    padding: 12px 4px;
    color: var(--color-ink);
    border-block-end: 1px solid rgba(141, 168, 202, 0.13);
    font-weight: 900;
  }

  .mobile-menu-contact {
    display: grid;
    gap: 10px;
    margin-block-start: 12px;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: rgba(18, 101, 255, 0.07);
  }

  .mobile-menu-contact span {
    color: var(--color-muted);
    font-weight: 850;
  }

  .mobile-menu-contact strong {
    direction: ltr;
    color: var(--color-royal);
    font-size: 1.1rem;
  }

  .mobile-menu-contact div {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .mobile-menu-contact .btn {
    border-block-end: 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    min-height: auto;
    padding-block: 112px 66px;
  }

  h1 {
    max-width: 660px;
    font-size: clamp(2.05rem, 5.4vw, 3.2rem);
    line-height: 1.36;
  }

  .hvac-visual {
    left: 2%;
    inset-block-start: 15%;
    width: 48vw;
    min-width: 360px;
    opacity: 0.72;
  }

  .intro-shell,
  .featured-shell,
  .types-shell,
  .contact-shell,
  .cta-shell,
  .pre-faq-shell {
    grid-template-columns: 1fr;
  }

  .cta-actions {
    justify-content: flex-start;
  }

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

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

  .pre-faq-shell div {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .container {
    width: calc(100vw - 36px);
    max-width: calc(100vw - 36px);
  }

  body {
    padding-block-end: 78px;
  }

  .header-shell {
    min-height: 74px;
  }

  .mobile-menu {
    inset-block-start: 74px;
    max-height: calc(100svh - 74px);
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .brand-copy strong {
    font-size: 0.98rem;
  }

  .brand-copy small {
    font-size: 0.76rem;
  }

  .hero-content {
    padding-block: 102px 58px;
    align-items: center;
    text-align: center;
  }

  h1 {
    max-width: min(100%, 620px);
    font-size: clamp(1.88rem, 6vw, 2.7rem);
    line-height: 1.42;
  }

  .hvac-visual {
    left: auto;
    right: 14px;
    inset-block-start: 82px;
    width: calc(100vw - 28px);
    min-width: 0;
    max-width: 430px;
    opacity: 0.12;
  }

  .hero-subtitle {
    max-width: 560px;
    font-size: 0.98rem;
    line-height: 1.96;
  }

  .microcopy {
    max-width: 520px;
  }

  .hero-ctas,
  .featured-actions,
  .contact-actions,
  .final-actions {
    width: 100%;
  }

  .hero-ctas .btn,
  .featured-actions .btn,
  .contact-actions .btn,
  .final-actions .btn {
    flex: 1 1 190px;
  }

  .phone-ribbon {
    width: 100%;
    justify-content: space-between;
  }

  .trust-badges {
    justify-content: center;
    gap: 8px;
  }

  .services-grid,
  .benefits-grid,
  .process-grid,
  .content-columns,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 0;
  }

  .featured-shell {
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    padding-block-start: 46px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .floating-whatsapp {
    display: none;
  }

  .mobile-cta-bar {
    display: grid;
  }
}

@media (max-width: 576px) {
  .container {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
  }

  h1 {
    width: 100%;
    max-width: calc(100vw - 28px);
    font-size: clamp(1.48rem, 6.7vw, 1.95rem);
    line-height: 1.52;
    margin-block-end: 16px;
  }

  .hero h1 span {
    display: block;
  }

  h2 {
    font-size: clamp(1.28rem, 5.8vw, 1.8rem);
    line-height: 1.42;
  }

  .btn {
    min-height: 48px;
    padding-inline: 16px;
    font-size: 0.92rem;
  }

  .btn-large {
    min-height: 50px;
  }

  .hero-content {
    padding-block: 92px 48px;
  }

  .eyebrow {
    font-size: 0.72rem;
    margin-block-end: 9px;
  }

  .hero-subtitle {
    margin-block-end: 20px;
    font-size: 0.9rem;
    line-height: 1.94;
  }

  .hero-ctas .btn {
    flex-basis: 100%;
  }

  .phone-ribbon {
    display: grid;
    gap: 4px;
  }

  .phone-ribbon strong {
    font-size: 1.14rem;
  }

  .trust-badges span,
  .types-list span {
    width: 100%;
    justify-content: center;
  }

  .service-card,
  .benefit-card,
  .process-step,
  .content-block {
    padding: 18px;
  }

  .cta-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .cta-actions strong {
    text-align: start;
  }

  .pre-faq-shell div {
    display: grid;
    grid-template-columns: 1fr;
  }

  .faq-item summary {
    padding-inline: 48px 16px;
    font-size: 0.9rem;
  }

  .faq-item summary::before,
  .faq-item summary::after {
    inset-inline-start: 18px;
  }

  .faq-item p {
    padding-inline: 48px 16px;
  }

  .developer-credit {
    flex-wrap: wrap;
  }
}

@media (max-width: 390px) {
  .container {
    width: calc(100vw - 24px);
    max-width: calc(100vw - 24px);
  }

  .brand {
    gap: 9px;
    min-width: 0;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-copy strong {
    font-size: 0.88rem;
  }

  .brand-copy small {
    font-size: 0.7rem;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
  }

  .hero-content {
    padding-block-start: 88px;
  }

  .section-kicker::before,
  .eyebrow::before {
    width: 20px;
  }

  .mobile-cta-bar {
    padding-inline: 10px;
    gap: 8px;
  }

  .mobile-cta-bar a {
    min-height: 46px;
    font-size: 0.92rem;
  }
}

@media (max-width: 360px) {
  h1 {
    font-size: 1.42rem;
    line-height: 1.5;
  }

  .brand-copy {
    max-width: 145px;
  }

  .brand-copy strong,
  .brand-copy small {
    white-space: normal;
  }

  .hero-subtitle,
  p {
    font-size: 0.88rem;
  }

  .service-card a {
    display: grid;
    justify-items: start;
  }

  .lead-form {
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}