/* LOCKED tokens — Full Time Heating & Cooling (base system: trades, bespoke-tuned)
   HVAC dual-story palette: cool blue = COOLING (brand), warm red-orange = HEATING
   (accent, decorative). Variable NAMES match _shared/base.css; only values changed.
   Contrast verified for AA (body + buttons >= 4.5:1). */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;800&family=Inter:wght@400;500;600&display=swap');
:root{
  --bg:#ffffff; --surface:#ffffff; --ink:#27303a; --ink-strong:#0f2236; --muted:#54616f;
  --line:#e2e8f1;
  --brand:#0c5bd6; --brand-dark:#0846a8; --brand-tint:#e6f0fc; --on-brand:#ffffff;
  --accent:#c4471a;
  --hero-bg:radial-gradient(1100px 460px at 88% -12%,#dbe9fb,transparent),#f3f7fc;
  --header-bg:rgba(255,255,255,.86); --footer-bg:#f3f7fc;
  --band-bg:#0f2236; --on-band:#ffffff; --on-band-muted:#9fb2cc;

  --font-heading:'Archivo',system-ui,sans-serif; --font-body:'Inter',system-ui,sans-serif;
  --fs-base:17px; --lh-body:1.65; --fw-body:400; --fw-head:800; --lh-head:1.08; --ls-head:-.02em;
  --fs-lead:1.2rem; --fs-h1:clamp(2.4rem,5.2vw,3.9rem); --fs-h2:clamp(1.7rem,3.6vw,2.5rem); --fs-h3:1.3rem;

  --container:1140px; --gutter:24px; --section-y:88px; --hero-y:96px; --nav-h:74px;
  --space-3:10px; --space-4:16px; --space-5:26px; --space-6:30px; --space-7:56px;
  --btn-pad:15px 28px;
  --radius:10px; --radius-lg:14px; --radius-pill:8px;
  --shadow:0 6px 22px rgba(15,34,54,.07); --shadow-lg:0 18px 44px rgba(15,34,54,.14);
  --dur:160ms; --ease:cubic-bezier(.2,.7,.2,1);
}
/* Primary buttons use the cool-blue brand (white text passes AA: ~6.0:1).
   The warm heating accent fails white-on-fill, so it's reserved for the hero
   SVG (decorative) and not used as a button or body-text color. */
.btn{background:var(--brand);color:var(--on-brand)}
.btn:hover{background:var(--brand-dark)}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.ghost:hover{background:var(--brand-tint)}
/* Eyebrow + card icons in brand blue (the cooling brand). Both pass AA on white
   / brand-tint. The heating accent lives in the SVG art only. */
.eyebrow{color:var(--brand)}
.card .ic{background:var(--brand-tint);color:var(--brand)}