:root{
  --red:#d10006;
  --blue:#1a80b6;
  --blue-deep:#0a557f;
  --aqua:#00a4b7;
  --orange:#ffa500;
  --gold:#ffe07b;
  --ink:#17212b;
  --muted:#68747f;
  --line:#e6edf2;
  --paper:#ffffff;
  --mist:#f4f9fb;
  --shadow:0 24px 80px rgba(10,42,60,.18);
  --radius:28px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Raleway,Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.topbar{background:linear-gradient(90deg,var(--red),#ef4e27);color:#fff;font-size:.9rem;letter-spacing:.02em}
.inner,.section-inner{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.topbar .inner{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:10px 0}
.phone{font-family:Montserrat,sans-serif;font-weight:800;white-space:nowrap}
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(16px);border-bottom:1px solid rgba(230,237,242,.8)}
.nav .inner{display:flex;align-items:center;justify-content:space-between;padding:15px 0;gap:24px}
.brand{display:flex;align-items:center;gap:14px;min-width:240px;background:#22303a;border-radius:20px;padding:8px 14px;box-shadow:0 14px 34px rgba(18,35,48,.12)}
.brand img{width:178px;height:auto;filter:drop-shadow(0 8px 18px rgba(0,0,0,.12))}
.links{display:flex;align-items:center;gap:22px;font-family:Montserrat,sans-serif;font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#43515d}
.links a:hover{color:var(--red)}
.mobile-menu{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:14px 22px;font-family:Montserrat,sans-serif;font-weight:800;text-transform:uppercase;letter-spacing:.06em;font-size:.78rem;transition:.25s ease;cursor:pointer;border:0}
.btn-primary{background:linear-gradient(135deg,var(--orange),#ff7a18);color:#fff;box-shadow:0 12px 0 rgba(0,0,0,.12),0 20px 38px rgba(255,165,0,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 0 rgba(0,0,0,.14),0 24px 46px rgba(255,165,0,.45)}
.btn-ghost{background:#fff;color:var(--red);box-shadow:inset 0 0 0 2px rgba(209,0,6,.16)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 16px 38px rgba(26,128,182,.28)}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 80% 20%,rgba(255,224,123,.4),transparent 28%),linear-gradient(135deg,#effbff,#fff 52%,#f8fbfd)}
.hero:before{content:"";position:absolute;inset:auto -10% -22% -10%;height:60%;background:url('assets/barnaby-heating-air-tropical-brand-background.webp') center/cover no-repeat;opacity:.14;filter:saturate(1.25)}
.hero .section-inner{position:relative;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:44px;padding:74px 0 88px}
.hero-card{position:relative;border-radius:42px;background:linear-gradient(180deg,#fff,rgba(255,255,255,.88));box-shadow:var(--shadow);padding:18px;overflow:hidden}
.hero-card img{min-height:420px;height:100%;width:100%;object-fit:cover;border-radius:32px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;padding:8px 13px;border-radius:999px;background:#fff;color:var(--red);font-family:Montserrat,sans-serif;font-weight:800;font-size:.78rem;text-transform:uppercase;letter-spacing:.09em;box-shadow:0 12px 32px rgba(0,0,0,.08)}
.eyebrow:before{content:"";width:9px;height:9px;border-radius:999px;background:var(--orange);box-shadow:0 0 0 5px rgba(255,165,0,.17)}
h1,h2,h3{margin:0;color:var(--ink)}
h1{font-size:clamp(3rem,6vw,5.8rem);line-height:.92;letter-spacing:-.06em;font-weight:800;text-wrap:balance}
h1 span{display:block;color:var(--blue)}
h2{font-size:clamp(2.1rem,4vw,4rem);line-height:1.02;letter-spacing:-.045em;font-weight:800;text-wrap:balance}
h3{font-size:1.45rem;line-height:1.1;font-weight:800}
.lead{font-size:clamp(1.05rem,2vw,1.28rem);color:#4d5b66;max-width:660px;margin:24px 0 0;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-strip{display:flex;gap:24px;align-items:center;margin-top:30px;flex-wrap:wrap;color:#5d6a73;font-weight:700}
.trust-strip strong{color:var(--ink);font-family:Montserrat,sans-serif;font-weight:800}
.section{padding:86px 0}
.section.alt{background:var(--mist)}
.section-head{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:38px}
.kicker{font-family:Montserrat,sans-serif;color:var(--red);text-transform:uppercase;letter-spacing:.12em;font-weight:800;font-size:.78rem;margin-bottom:8px}
.section-head p{max-width:500px;color:var(--muted);font-size:1.05rem;margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 18px 46px rgba(27,62,82,.08);overflow:hidden}
.card:before{content:"";position:absolute;inset:0 0 auto;height:6px;background:linear-gradient(90deg,var(--red),var(--orange),var(--blue))}
.card p,.card li{color:var(--muted)}
.card p{margin:10px 0 0}
.check-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
.check-list li{display:grid;grid-template-columns:auto 1fr;gap:10px}
.check-list li:before{content:"✓";color:var(--red);font-weight:800}
.feature-band{background:linear-gradient(135deg,var(--blue-deep),var(--blue));color:#fff;border-radius:42px;padding:46px;display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center;overflow:hidden;position:relative;box-shadow:var(--shadow)}
.feature-band:before{content:"";position:absolute;inset:0;background:url('assets/barnaby-hvac-service-van-rowlett-tx.webp') center/cover;opacity:.18;mix-blend-mode:screen}
.feature-band>*{position:relative}
.feature-band h2,.feature-band h3{color:#fff}
.feature-band p,.feature-band li{color:rgba(255,255,255,.84)}
.faq{display:grid;gap:16px}
.faq-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px}
.faq-card p{margin:8px 0 0;color:var(--muted)}
.area-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.area-links a,.area-links span{display:inline-flex;align-items:center;border-radius:999px;background:var(--mist);color:#43515d;padding:9px 13px;font-weight:800;font-size:.86rem}
.area-links a{color:var(--red)}
.cta{padding:0 0 88px;background:linear-gradient(180deg,var(--mist),#fff)}
.cta-card{width:min(var(--max),calc(100% - 40px));margin-inline:auto;border-radius:46px;overflow:hidden;background:linear-gradient(135deg,var(--red),#f0542d 48%,var(--orange));color:#fff;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:52px;box-shadow:0 30px 80px rgba(209,0,6,.25)}
.cta h2{color:#fff;max-width:760px}
.cta p{font-size:1.15rem;margin:14px 0 0;color:rgba(255,255,255,.88)}
.contact-details{display:grid;gap:14px;margin-top:18px}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:16px;padding:14px 15px;font:inherit;color:var(--ink);background:#f9fcfd}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px;font-weight:800;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:#50606b}
.field.full{grid-column:1/-1}
textarea{min-height:128px;resize:vertical}
input:focus,select:focus,textarea:focus,.btn:focus-visible,a:focus-visible{outline:3px solid rgba(26,128,182,.28);outline-offset:3px}
footer{background:#222b33;color:#dce8ee;padding:62px 0 30px}
footer .section-inner{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:34px}
footer img{width:220px;margin-bottom:18px}
footer h4{font-family:Montserrat,sans-serif;color:#fff;margin:0 0 14px;text-transform:uppercase;letter-spacing:.1em;font-size:.78rem}
footer p,footer a{color:#b7c5cc;margin:0 0 9px;display:block}
.footer-bottom{width:min(var(--max),calc(100% - 40px));margin:34px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);color:#83929a;font-size:.9rem}
.sticky-cta{position:fixed;left:18px;right:18px;bottom:16px;z-index:30;display:none;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:980px){
  .links{display:none}.hero .section-inner,.feature-band,.cta-card,.split{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}footer .section-inner{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head p{margin-top:16px}
}
@media (max-width:640px){
  body{padding-bottom:92px}
  .topbar{font-size:.76rem}
  .topbar .inner{display:block;padding:7px 0;text-align:center}
  .topbar .inner>div:first-child{display:none}
  .phone{display:block;margin-top:0;white-space:normal}
  .nav .inner{position:relative;padding:10px 0;gap:10px}
  .nav .inner>.btn{display:none}
  .brand{min-width:auto;border-radius:16px;padding:7px 11px}
  .brand img{width:138px}
  .links{display:none}
  .mobile-menu{display:block;margin-left:auto}
  .mobile-menu summary{width:48px;height:48px;border-radius:16px;background:var(--mist);box-shadow:inset 0 0 0 1px var(--line);display:grid;place-content:center;gap:5px;cursor:pointer;list-style:none}
  .mobile-menu summary::-webkit-details-marker{display:none}
  .mobile-menu summary span{display:block;width:20px;height:2px;border-radius:999px;background:var(--ink)}
  .mobile-menu[open] summary{background:#fff;box-shadow:inset 0 0 0 2px rgba(209,0,6,.18)}
  .mobile-menu-panel{position:absolute;right:0;top:calc(100% + 8px);width:min(280px,100%);display:grid;gap:6px;padding:10px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.98);box-shadow:0 18px 46px rgba(27,62,82,.16)}
  .mobile-menu-panel a{display:flex;align-items:center;min-height:44px;padding:10px 13px;border-radius:14px;background:var(--mist);font-family:Montserrat,sans-serif;font-size:.76rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:#43515d}
  .hero .section-inner{padding:34px 0 44px;gap:24px}
  h1{font-size:clamp(2.55rem,13vw,3.25rem);line-height:.94;letter-spacing:-.052em}
  h2{font-size:clamp(1.9rem,9vw,2.45rem);line-height:1.04}
  .lead{font-size:1rem;line-height:1.65;margin-top:18px}
  .hero-actions{gap:10px;margin-top:24px}
  .hero .hero-actions .btn-ghost[href^="tel"]{display:none}
  .hero-actions .btn{min-height:48px;padding:13px 18px}
  .hero .hero-actions .btn-primary{width:100%}
  .trust-strip{gap:10px;margin-top:22px;font-size:.92rem}
  .hero-card{border-radius:24px;padding:10px}
  .hero:before{background-image:url('assets/barnaby-heating-air-tropical-brand-background-768.webp')}
  .feature-band:before{background-image:url('assets/barnaby-hvac-service-van-rowlett-tx-480.webp')}
  .hero-card img{min-height:220px;max-height:300px;aspect-ratio:4/3;border-radius:18px}
  .grid,footer .section-inner,.form-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .section-head{margin-bottom:26px}
  .section-head p{font-size:1rem;line-height:1.65}
  .card,.faq-card{padding:22px;border-radius:22px;box-shadow:0 12px 28px rgba(27,62,82,.07)}
  .feature-band{padding:24px;border-radius:24px}
  .cta{padding:0 0 52px}
  .cta-card{border-radius:24px;padding:28px}
  .cta-card .hero-actions{display:none}
  input,select,textarea{min-height:48px;font-size:16px}
  form .hero-actions .btn-ghost[href^="tel"]{display:none}
  form .hero-actions .btn-primary{width:100%}
  .sticky-cta{display:grid;left:max(12px,env(safe-area-inset-left));right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));gap:8px}
  .sticky-cta .btn{min-height:52px;padding:13px 12px;font-size:.76rem}
  footer{padding:46px 0 28px}
  .footer-bottom{padding-bottom:0}
}