/* Airline — HVAC template
   Palette: cool-to-warm gauge gradient (ice blue to ember), on neutral white
   Type: Outfit (display) / Inter (body) / Roboto Mono (labels) */

:root {
  --ink: #1c2b36;
  --navy: #223b4d;
  --navy-deep: #16262f;
  --cold: #2f6690;
  --cold-soft: #a9c9dd;
  --warm: #e2762e;
  --warm-deep: #bd5f22;
  --bg: #f4f5f3;
  --white: #ffffff;
  --line: #dfe2de;

  --font-display: "Outfit", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-label: "Roboto Mono", monospace;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
@media (prefers-reduced-motion: reduce) { html{scroll-behavior:auto;} * { animation-duration:.01ms !important; transition-duration:.01ms !important; } }
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.label { font-family: var(--font-label); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--warm); }
.gradient-bar { height: 4px; background: linear-gradient(90deg, var(--cold), var(--warm)); }

/* header */
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(244,245,243,.94); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy-deep); font-family: var(--font-display); font-weight: 600; font-size: 21px; }
nav.primary { display: flex; gap: 28px; }
nav.primary a { text-decoration: none; color: var(--ink); font-size: 14.5px; font-weight: 500; }
nav.primary a:hover { color: var(--cold); }
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14.5px; text-decoration: none; padding: 12px 22px; border-radius: 8px; border: 1px solid transparent; cursor: pointer; }
.btn--primary { background: var(--warm); color: var(--white); }
.btn--primary:hover { background: var(--warm-deep); }
.btn--outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,.5); }
.btn--outline:hover { border-color: var(--white); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--warm); outline-offset: 2px; }

/* hero — dial gauge */
.hero { background: linear-gradient(150deg, var(--navy), var(--navy-deep)); color: var(--white); }
.hero-inner { padding: 88px 0 76px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(36px,5vw,52px); line-height: 1.08; margin: 16px 0 18px; }
.hero h1 span { color: var(--warm); }
.hero p.lede { font-size: 16.5px; line-height: 1.6; color: #b9c7d1; max-width: 44ch; margin-bottom: 28px; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.dial-wrap { display: flex; justify-content: center; }

/* sections */
section { padding: 78px 0; }
.section-head { max-width: 620px; margin-bottom: 42px; }
.section-head .label { display: block; margin-bottom: 10px; }
.section-head h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(26px,3.2vw,34px); margin: 0 0 12px; color: var(--navy-deep); }
.section-head p { color: #4d5a63; line-height: 1.6; margin: 0; }

/* services */
.grid-services { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px,1fr)); gap: 18px; }
.svc { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 28px; border-top: 3px solid var(--cold); }
.svc h3 { font-family: var(--font-display); font-size: 18.5px; margin: 0 0 8px; color: var(--navy-deep); }
.svc p { margin: 0; font-size: 14px; line-height: 1.55; color: #4d5a63; }

/* maintenance tiers */
.tiers-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.tier { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 30px 26px; }
.tier.featured { border-color: var(--warm); box-shadow: 0 8px 24px rgba(226,118,46,.12); position: relative; }
.tier.featured::before { content: "MOST POPULAR"; position: absolute; top: -12px; left: 26px; background: var(--warm); color: var(--white); font-family: var(--font-label); font-size: 10px; letter-spacing: .06em; padding: 4px 10px; border-radius: 999px; }
.tier h3 { font-family: var(--font-display); font-size: 19px; margin: 6px 0 6px; color: var(--navy-deep); }
.tier .price { font-family: var(--font-display); font-size: 28px; font-weight: 600; color: var(--cold); margin-bottom: 14px; }
.tier .price span { font-family: var(--font-body); font-size: 13px; font-weight: 400; color: #7a8792; }
.tier ul { margin: 0; padding-left: 18px; font-size: 14px; line-height: 2; color: #4d5a63; }

/* testimonials */
.testi-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.testi { background: var(--white); border-left: 3px solid var(--warm); border-radius: 10px; padding: 24px; }
.testi p { font-size: 15px; line-height: 1.6; margin: 0 0 14px; }
.testi .who { font-family: var(--font-label); font-size: 12px; color: #4d5a63; }

/* service request */
.request-shell { background: var(--navy); color: var(--white); border-radius: 18px; padding: 48px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; }
.request-copy h2 { font-family: var(--font-display); font-size: clamp(24px,3vw,30px); margin: 12px 0 12px; }
.request-copy p { color: #b9c7d1; line-height: 1.6; margin: 0; }
.form-row { margin-bottom: 16px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row label { display: block; font-family: var(--font-label); font-size: 11px; letter-spacing: .05em; text-transform: uppercase; color: #b9c7d1; margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea { width: 100%; font-family: var(--font-body); font-size: 14.5px; padding: 11px 12px; border-radius: 8px; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.07); color: var(--white); }
.form-row input::placeholder, .form-row textarea::placeholder { color: #8fa1ac; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: 2px solid var(--warm); outline-offset: 1px; }
.request-form .btn--primary { width: 100%; justify-content: center; margin-top: 4px; }

/* footer */
footer.site-footer { background: var(--ink); color: #9fb0ba; padding: 46px 0 26px; }
footer.site-footer .wrap { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; }
footer.site-footer h4 { font-family: var(--font-label); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--white); margin: 0 0 14px; }
footer.site-footer p, footer.site-footer a { font-size: 14px; line-height: 1.8; text-decoration: none; color: #9fb0ba; }
footer.site-footer a:hover { color: var(--warm); }
.footer-bottom { margin-top: 34px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); font-family: var(--font-label); font-size: 11px; color: #5c6d76; }

@media (max-width: 900px) {
  nav.primary { display: none; }
  .hero-inner { grid-template-columns: 1fr; }
  .tiers-grid, .testi-row { grid-template-columns: 1fr; }
  .request-shell { grid-template-columns: 1fr; padding: 30px; }
  .two-col { grid-template-columns: 1fr; }
  footer.site-footer .wrap { grid-template-columns: 1fr; }
}