/* ==========================================================
   HVAC Service Line — design tokens
   Signature: dual-tone "gauge" motif (cooling blue / ember heat)
   Display: Sora · Body: Inter · Data/mono: JetBrains Mono
   ========================================================== */
:root{
  --ink:#152229;
  --ink-soft:#4B5D63;
  --paper:#F4F7F6;
  --paper-raised:#FFFFFF;
  --line:#DCE4E2;

  --cool:#2E6E8E;      /* cooling blue — primary brand */
  --cool-deep:#12303D; /* deep navy — header/footer/hero */
  --cool-pale:#E4EEF1;

  --ember:#D9713C;     /* heating accent */
  --ember-deep:#B85526;
  --ember-pale:#FBE7DA;

  --mint:#5FA88C;       /* air-quality / good-status green */

  --font-display:'Sora', 'Arial', sans-serif;
  --font-body:'Inter', -apple-system, sans-serif;
  --font-mono:'JetBrains Mono', 'IBM Plex Mono', monospace;

  --radius:12px;
  --radius-sm:7px;
  --radius-lg:20px;
  --shadow-card:0 1px 2px rgba(18,48,61,0.06), 0 8px 24px -12px rgba(18,48,61,0.18);
  --shadow-hero:0 24px 60px -20px rgba(18,48,61,0.35);
  --wrap:1180px;
  --wrap-wide:1360px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.16;
  margin:0 0 14px;
  letter-spacing:-0.015em;
  color:var(--cool-deep);
}
h1{font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1.12;}
h2{font-size:clamp(1.3rem,2.3vw,1.75rem);margin-top:36px;letter-spacing:-0.01em;}
h3{font-size:1.1rem;letter-spacing:-0.005em;}
p{margin:0 0 14px;color:var(--ink-soft);}
a{color:var(--cool);text-decoration:none;}
a:hover{text-decoration:underline;}
ul{margin:0 0 14px;padding-left:20px;color:var(--ink-soft);}
:focus-visible{outline:2.5px solid var(--ember);outline-offset:2px;}
img,svg{max-width:100%;display:block;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.wrap-wide{max-width:var(--wrap-wide);margin:0 auto;padding:0 24px;}
.section{padding:56px 0;}
.mt-0{margin-top:0;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-weight:700;font-size:0.95rem;
  padding:13px 22px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .12s ease, box-shadow .12s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn-primary{background:var(--ember);color:#fff;box-shadow:0 8px 20px -6px rgba(217,113,60,0.55);}
.btn-primary:hover{background:var(--ember-deep);}
.btn-outline{background:transparent;color:var(--cool-deep);border-color:var(--cool-deep);}
.btn-outline:hover{background:var(--cool-deep);color:#fff;}
.btn-sm{padding:9px 16px;font-size:0.84rem;}
.btn-block{width:100%;justify-content:center;}
.btn-lg{padding:16px 28px;font-size:1.05rem;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(244,247,246,0.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap-wide{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--cool-deep);font-family:var(--font-display);font-weight:700;font-size:1.08rem;flex:none;white-space:nowrap;}
.brand:hover{text-decoration:none;}
.brand-mark{width:36px;height:36px;flex:none;}
.brand-name{white-space:nowrap;}

.main-nav{display:flex;align-items:center;gap:15px;flex-wrap:nowrap;flex:1;justify-content:center;min-width:0;}
.main-nav a{color:var(--ink-soft);font-weight:600;font-size:0.86rem;white-space:nowrap;padding:6px 2px;}
.main-nav a:hover{color:var(--cool-deep);text-decoration:none;}
.header-cta{display:flex;align-items:center;gap:10px;flex:none;}
.nav-toggle{display:none;background:none;border:1.5px solid var(--line);border-radius:9px;width:42px;height:42px;align-items:center;justify-content:center;cursor:pointer;flex:none;color:var(--cool-deep);}
.mobile-nav-panel{display:none;}

@media (max-width:1160px){
  .main-nav{display:none;}
  .header-cta .btn-outline{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:480px){
  .header-cta{gap:6px;}
  .header-call-btn{padding:11px 13px;}
  .header-phone-text{display:none;}
  .brand{font-size:0.94rem;gap:8px;}
  .brand-mark{width:32px;height:32px;}
  .nav-toggle{width:38px;height:38px;}
}
@media (max-width:1160px){
  .mobile-nav-panel{
    display:block;max-height:0;overflow:hidden;background:var(--paper-raised);
    border-bottom:1px solid var(--line);transition:max-height .25s ease;
  }
  .mobile-nav-panel.is-open{max-height:420px;}
  .mobile-nav-panel .wrap{padding-top:14px;padding-bottom:14px;display:flex;flex-direction:column;gap:2px;}
  .mobile-nav-panel a{color:var(--ink);font-weight:600;font-size:0.98rem;padding:11px 4px;border-bottom:1px solid var(--line);}
  .mobile-nav-panel a:last-child{border-bottom:none;}
}
/* ---------- Hero (photo-capable, with illustrated fallback) ---------- */
.hero{
  position:relative;background:var(--cool-deep);color:#fff;overflow:hidden;
  padding:0;
}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 35%;}
.hero-bg.is-illustration img{object-fit:cover;}
.hero-scrim{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg, rgba(11,28,37,0.94) 0%, rgba(11,28,37,0.86) 32%, rgba(11,28,37,0.55) 58%, rgba(11,28,37,0.28) 100%);
}
.hero-inner{position:relative;z-index:2;padding:76px 0 64px;}
.hero-copy{max-width:600px;}
.hero-copy .eyebrow{color:#F2A579;}
.hero-copy h1{color:#fff;margin-bottom:16px;}
.hero-copy .lede{color:#D7E4E2;font-size:1.1rem;max-width:520px;margin-bottom:0;}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.trust-row{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;font-family:var(--font-mono);font-size:0.78rem;color:#AFCBC9;}
.trust-row span{display:flex;align-items:center;gap:7px;}
.trust-row svg{flex:none;color:#7FB6BE;}
@media (max-width:780px){
  .hero-inner{padding:40px 0 32px;}
  .hero-copy .lede{max-width:none;}
  .hero-scrim{background:linear-gradient(180deg, rgba(11,28,37,0.92) 0%, rgba(11,28,37,0.90) 55%, rgba(11,28,37,0.97) 100%);}
  .hero-ctas .btn{width:100%;justify-content:center;}
  .hero-ctas{flex-direction:column;}
}

.page-hero{
  background:linear-gradient(180deg,var(--cool-deep),#0E2732);
  color:#EAF2F1;padding:44px 0 38px;position:relative;overflow:hidden;
}
.page-hero .wrap{position:relative;z-index:2;}
.page-hero h1{color:#fff;margin-bottom:10px;}
.page-hero .lede{color:#C6DBDA;font-size:1.04rem;max-width:640px;margin-bottom:0;}
.page-hero .eyebrow{color:var(--ember);}
.crumbs{font-size:0.82rem;color:#8FB1B0;margin-bottom:14px;}
.crumbs a{color:#8FB1B0;}
.eyebrow{
  font-family:var(--font-mono);text-transform:uppercase;font-size:0.74rem;
  letter-spacing:0.13em;font-weight:600;color:var(--ember);margin:0 0 10px;
}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:20px;}
.grid--2{grid-template-columns:1fr 1fr;}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--4{grid-template-columns:repeat(4,1fr);}
@media (max-width:880px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr;}}

.card{
  background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-card);
}
.card h3{margin-top:0;}
.card--service{display:flex;flex-direction:column;height:100%;}
.card--service .icon-badge{margin-bottom:14px;}
.card--service .tag{
  font-family:var(--font-mono);font-size:0.7rem;text-transform:uppercase;letter-spacing:0.08em;
  color:var(--cool);margin-bottom:6px;display:block;
}
.card--service a.card-link{margin-top:auto;font-weight:700;color:var(--ember);padding-top:8px;}

.icon-badge{
  width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--cool-pale);color:var(--cool-deep);flex:none;
}
.icon-badge.heat{background:var(--ember-pale);color:var(--ember-deep);}

.note{background:var(--cool-pale);border:1px solid #C9DEE1;border-radius:var(--radius);padding:18px 20px;color:var(--ink);}
.note p{color:var(--ink-soft);margin:0;}
.note--accent{background:var(--ember-pale);border-color:#EFC7AC;}

.list-check{list-style:none;padding:0;margin:0 0 20px;}
.list-check li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed var(--line);color:var(--ink-soft);}
.list-check li:last-child{border-bottom:none;}
.list-check svg{flex:none;margin-top:3px;color:var(--mint);}

.list-plain{list-style:none;padding:0;margin:0;}
.list-plain li{padding:9px 0;border-bottom:1px solid var(--line);color:var(--ink-soft);}
.list-plain li:before{content:"— ";color:var(--ember);font-weight:700;}

/* ---------- Steps (how it works) ---------- */
.steps{display:flex;flex-direction:column;gap:24px;}
.step{display:flex;gap:16px;}
.step-num{
  font-family:var(--font-mono);font-weight:700;font-size:0.9rem;color:var(--ember);
  width:36px;height:36px;border-radius:50%;border:1.5px solid var(--ember);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.step h3{margin-bottom:4px;font-size:1.04rem;}
.step p{margin-bottom:0;}

/* ---------- Gauge / dial motif (signature element) ---------- */
.gauge-divider{display:flex;align-items:center;gap:12px;margin:0;color:var(--ink-soft);}
.gauge-divider .line{flex:1;height:1px;background:var(--line);}
.gauge-divider .dial{width:20px;height:20px;flex:none;}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line);padding:20px 0;}
.faq-item h3{margin:0 0 8px;font-size:1.0rem;}
.faq-item p{margin:0;}

/* ---------- Stat strip ---------- */
.stat-strip{display:flex;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:22px 0;background:var(--paper-raised);}
.stat-strip div{flex:1;padding:16px 18px;border-right:1px solid var(--line);}
.stat-strip div:last-child{border-right:none;}
.stat-strip .num{font-family:var(--font-mono);font-size:1.35rem;font-weight:700;color:var(--cool-deep);}
.stat-strip .lbl{font-size:0.75rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:0.05em;}
@media (max-width:700px){.stat-strip{flex-wrap:wrap;}.stat-strip div{flex:1 1 50%;border-bottom:1px solid var(--line);}}

/* ---------- Forms ---------- */
.form-card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-card);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:0.8rem;font-weight:700;color:var(--cool-deep);margin-bottom:5px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 13px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:var(--font-body);font-size:0.95rem;color:var(--ink);background:var(--paper);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cool);}
.consent{font-size:0.75rem;color:var(--ink-soft);margin-top:12px;}
@media (max-width:560px){.field-row{grid-template-columns:1fr;}}

/* ---------- City / resource hub cards ---------- */
.city-card{display:flex;flex-direction:column;gap:6px;}
.city-card .region{font-family:var(--font-mono);font-size:0.7rem;text-transform:uppercase;color:var(--ember);letter-spacing:0.06em;}

/* ---------- Footer ---------- */
.site-footer{background:var(--cool-deep);color:#C6DBDA;padding-top:56px;}
.footer-main{padding-bottom:32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{font-family:var(--font-display);font-weight:700;color:#fff;font-size:1.08rem;}
.site-footer h4{color:#fff;font-family:var(--font-display);font-size:0.82rem;text-transform:uppercase;letter-spacing:0.06em;margin:0 0 14px;}
.footer-nav{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.footer-nav a{color:#AFCBC9;font-size:0.88rem;}
.footer-nav a:hover{color:#fff;}
.footer-disclosure{font-size:0.76rem;color:#8FB1B0;border-top:1px solid rgba(255,255,255,0.14);padding-top:22px;margin-top:26px;max-width:960px;}
.footer-legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:18px 0 90px;font-size:0.76rem;color:#7FA3A1;border-top:1px solid rgba(255,255,255,0.1);}
.footer-legal a{color:#7FA3A1;}
@media (max-width:880px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:12px 16px;background:var(--paper-raised);border-top:1px solid var(--line);box-shadow:0 -6px 18px rgba(0,0,0,0.08);}
@media (max-width:880px){.mobile-cta{display:block;}body{padding-bottom:76px;}}

/* ---------- Watermark on interior hero ---------- */
.hero-watermark{position:absolute;right:-40px;bottom:-40px;width:340px;opacity:0.5;z-index:1;pointer-events:none;}
@media (max-width:700px){.hero-watermark{display:none;}}

/* ---------- Utility ---------- */
.center{text-align:center;}
.muted{color:var(--ink-soft);}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.badge{font-family:var(--font-mono);font-size:0.73rem;padding:6px 12px;border-radius:999px;background:var(--paper-raised);border:1px solid var(--line);color:var(--ink-soft);}