:root {
  /* Three-color brand system: vehicle-wrap navy, white, and HVAC orange */
  --navy: #003b85;
  --navy-dark: #00275c;
  --navy-deep: #001b42;
  --navy-light: #0b58b8;
  --navy-glow: rgba(11, 88, 184, 0.34);

  --orange: #ff7a00;
  --orange-light: #ff9a1f;
  --orange-dark: #d95700;
  --orange-glow: rgba(255, 122, 0, 0.34);

  --white: #f5f8fc;
  --white-pure: #ffffff;
  --white-soft: rgba(245, 248, 252, 0.82);
  --white-faint: rgba(245, 248, 252, 0.10);
  --white-border: rgba(245, 248, 252, 0.20);

  --shadow: 0 24px 70px rgba(0, 27, 66, 0.38);
  --shadow-soft: 0 14px 38px rgba(0, 27, 66, 0.24);
  --radius: 26px;
  --transition: 220ms cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Arial, sans-serif;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 12%, rgba(11,88,184,.42), transparent 34%),
    radial-gradient(circle at 8% 88%, rgba(255,122,0,.10), transparent 30%),
    linear-gradient(145deg, var(--navy-deep) 0%, var(--navy-dark) 52%, var(--navy) 100%);
  background-attachment: fixed;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px clamp(18px,4vw,64px);
  background: rgba(0, 27, 66, .90);
  border-bottom: 1px solid var(--white-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 35px rgba(0, 27, 66, .30);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
  color: var(--white);
}
.brand img {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 2px var(--orange), 0 8px 20px rgba(0,0,0,.25);
}

.site-header nav { display: flex; align-items: center; gap: 8px; }
.site-header nav a {
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  color: var(--white);
  transition: color var(--transition), background var(--transition), transform var(--transition);
}
.site-header nav a:hover,
.site-header nav a.active {
  color: var(--navy-deep);
  background: var(--white);
  transform: translateY(-1px);
}
.quote-link {
  color: var(--navy-deep) !important;
  background: linear-gradient(135deg, var(--orange-light), var(--orange)) !important;
  box-shadow: 0 8px 22px var(--orange-glow);
}
.quote-link:hover {
  color: var(--navy-deep) !important;
  background: var(--white) !important;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--white-border);
  background: var(--orange);
  color: var(--navy-deep);
  border-radius: 12px;
  font-size: 22px;
  padding: 8px 12px;
  cursor: pointer;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 34px;
  align-items: center;
  padding: clamp(44px,7vw,90px) clamp(20px,5vw,80px);
  background:
    linear-gradient(110deg, rgba(0,27,66,.90), rgba(0,59,133,.72)),
    radial-gradient(circle at 82% 25%, rgba(255,122,0,.17), transparent 34%);
}
.hero h1,
.page-hero h1 {
  font-size: clamp(38px,6vw,78px);
  line-height: .94;
  margin: 10px 0 16px;
  color: var(--white);
  letter-spacing: -.05em;
}
.hero p,
.page-hero p {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--white-soft);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 900;
  color: var(--orange-light);
  font-size: .82rem;
}

.hero-card,
.image-panel,
.stamp-card,
.contact-card,
.service-form {
  background: linear-gradient(145deg, rgba(11,88,184,.78), rgba(0,39,92,.88));
  border: 1px solid var(--white-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-card img { height: 100%; object-fit: cover; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), color var(--transition), background var(--transition), border-color var(--transition);
}
.btn:hover,
.btn:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(0,27,66,.34);
}
.primary {
  background: linear-gradient(135deg, var(--orange-light), var(--orange));
  color: var(--navy-deep);
}
.primary:hover,
.primary:focus-visible {
  background: var(--white);
  color: var(--navy);
  border-color: var(--orange);
}
.secondary,
.phone {
  background: var(--white);
  color: var(--navy-deep);
  border-color: var(--white);
}
.secondary:hover,
.phone:hover,
.secondary:focus-visible,
.phone:focus-visible {
  background: var(--orange);
  color: var(--navy-deep);
  border-color: var(--orange-light);
}
.light {
  background: var(--white);
  color: var(--navy-deep);
}
.light:hover,
.light:focus-visible {
  background: var(--orange);
  color: var(--navy-deep);
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1px;
  background: var(--orange);
  color: var(--white);
}
.trust-strip div {
  padding: 24px clamp(20px,5vw,70px);
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  transition: background var(--transition), color var(--transition);
}
.trust-strip div:hover { background: linear-gradient(135deg, var(--orange-dark), var(--orange)); color: var(--white-pure); }
.trust-strip strong { display: block; color: var(--orange-light); font-size: 1.35rem; }
.trust-strip div:hover strong { color: var(--white); }
.trust-strip span { opacity: .92; }

.section { padding: clamp(50px,7vw,90px) clamp(20px,5vw,80px); }
.section-head { max-width: 820px; margin: 0 auto 28px; text-align: center; }
.section h2,
.page-hero h2 {
  font-size: clamp(28px,4vw,48px);
  line-height: 1.05;
  color: var(--white);
}
.section p { color: var(--white-soft); }
.card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.card {
  padding: 28px;
  border-radius: var(--radius);
  color: var(--white);
  background: linear-gradient(145deg, rgba(11,88,184,.78), rgba(0,39,92,.92));
  border: 1px solid var(--white-border);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.card:hover,
.card:focus-within,
.card.is-active {
  transform: translateY(-8px) scale(1.01);
  color: var(--navy-deep);
  background: linear-gradient(145deg, var(--orange-light), var(--orange));
  border-color: var(--orange-light);
  box-shadow: 0 20px 46px var(--orange-glow);
}
.card h3 { color: var(--white); font-size: 1.35rem; transition: color var(--transition); }
.card p { color: var(--white-soft); transition: color var(--transition); }
.card:hover h3,
.card:hover p,
.card:focus-within h3,
.card:focus-within p,
.card.is-active h3,
.card.is-active p { color: var(--navy-deep); }
.icon { font-size: 2rem; }
.center { text-align: center; margin-top: 28px; }

.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 34px; }
.copy-panel { padding: 10px 0; }
.image-panel img,
.stamp-card img { height: 360px; width: 100%; object-fit: cover; }

.page-hero {
  padding: clamp(50px,8vw,100px) clamp(20px,5vw,80px);
  text-align: center;
  color: var(--white);
  background:
    radial-gradient(circle at 50% 0%, rgba(255,122,0,.18), transparent 38%),
    linear-gradient(135deg, var(--navy-deep), var(--navy));
  border-bottom: 1px solid var(--white-border);
}
.page-hero h1,
.page-hero p { color: var(--white); }
.services-grid { grid-template-columns: repeat(4,1fr); }

.cta-band {
  margin: 0 clamp(20px,5vw,80px) 70px;
  padding: 38px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--orange-dark), var(--orange));
  color: var(--navy-deep);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-soft);
}
.cta-band h2 { margin: 0; color: var(--navy-deep); }

.values {
  padding: 30px clamp(20px,5vw,80px) 80px;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}
.values article {
  color: var(--white);
  background: linear-gradient(145deg, var(--navy), var(--navy-dark));
  border: 1px solid var(--white-border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}
.values article:hover { transform: translateY(-6px); background: linear-gradient(145deg, var(--orange-light), var(--orange)); color: var(--navy-deep); }
.values h3 { color: var(--orange-light); }
.values article:hover h3 { color: var(--navy-deep); }
.stamp-card { padding: 18px; }
.stamp-card h3,
.contact-card h3 { color: var(--white); }

.form-section {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 28px;
  padding: clamp(30px,6vw,80px) clamp(20px,5vw,80px);
}
.service-form { padding: 26px; display: grid; gap: 16px; }
.form-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(245,248,252,.09);
  border: 1px solid var(--white-border);
  border-radius: 20px;
  padding: 14px;
}
.form-heading img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; }
.form-heading h2 { margin: 0; color: var(--white); }
label { display: grid; gap: 6px; font-weight: 800; color: var(--white); }
input,
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  color: var(--navy-deep);
  background: var(--white);
  border: 2px solid transparent;
  border-radius: 14px;
  font: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255,122,0,.18);
  background: var(--white-pure);
}
textarea { resize: vertical; }
.full { width: 100%; }
.form-note { color: var(--white-soft); font-size: .9rem; }
.contact-card { padding: 26px; height: max-content; }

footer {
  padding: 26px clamp(20px,5vw,80px);
  background: var(--navy-deep);
  color: var(--white);
  border-top: 1px solid var(--white-border);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
footer a { color: var(--orange-light); }

.floaty { animation: float 5s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

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

@media (max-width: 980px) {
  .hero,
  .split,
  .form-section { grid-template-columns: 1fr; }
  .card-grid,
  .services-grid,
  .values,
  .trust-strip { grid-template-columns: 1fr; }
  .site-header { align-items: flex-start; }
  .menu-toggle { display: block; }
  .site-header nav {
    display: none;
    position: absolute;
    top: 82px;
    left: 18px;
    right: 18px;
    flex-direction: column;
    background: linear-gradient(145deg, var(--navy), var(--navy-deep));
    border: 1px solid var(--white-border);
    padding: 16px;
    border-radius: 20px;
    box-shadow: var(--shadow);
  }
  .site-header nav.open { display: flex; }
  .site-header nav a { width: 100%; text-align: center; }
  .brand span { font-size: .95rem; }
  .hero-card img { height: 280px; }
  .cta-band { display: block; }
  .cta-band .btn { margin: 8px 6px 0 0; }
  footer { display: block; }
}

@media (max-width: 520px) {
  .hero h1,
  .page-hero h1 { font-size: 38px; }
  .btn { width: 100%; }
  .brand img { width: 48px; height: 48px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}