:root{
  --ink:#08131d; --ink2:#0d202e; --orange:#f47721; --orange2:#ff8a2b;
  --blue:#7dc7e7; --text:#162631; --muted:#687985; --line:#e2e8ec;
  --paper:#f6f8f9; --white:#fff; --shadow:0 22px 60px rgba(8,19,29,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--text);line-height:1.6;background:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1180px,calc(100% - 48px));margin:auto}
.topbar{background:#050d14;color:#aab9c3;font-size:12px;letter-spacing:.15px}
.topbar .wrap{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar b{color:#fff}
.topbar a{color:#fff;font-weight:700}
header{position:sticky;top:0;z-index:50;background:rgba(7,19,29,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.09)}
.nav{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{width:205px;flex:none}
.logo img,.flogo{width:100%;height:auto;max-height:62px;object-fit:contain;object-position:left center}
nav{display:flex;align-items:center;gap:30px;color:#e9f0f4;font-size:13px;font-weight:800}
nav a{opacity:.88;transition:.2s}
nav a:hover{opacity:1;color:#fff}
.phone{border:1px solid rgba(255,255,255,.28);padding:11px 17px;border-radius:999px;color:#fff;font-size:13px;font-weight:900;white-space:nowrap}
.phone b{color:var(--orange);margin-right:6px}
.hero{position:relative;min-height:690px;background:var(--ink);color:#fff;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,15,23,.98) 0%,rgba(5,15,23,.96) 35%,rgba(5,15,23,.58) 60%,rgba(5,15,23,.08) 100%);pointer-events:none}
.hero-bg{position:absolute;inset:0;background:center/cover no-repeat;opacity:.95}
.hero .wrap{position:relative;z-index:2;min-height:690px;display:flex;align-items:center}
.hero-grid{width:100%;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(330px,.62fr);gap:80px;align-items:center;padding:90px 0}
.hero-copy{max-width:700px}
.eyebrow{font-size:11px;line-height:1.2;letter-spacing:3.2px;text-transform:uppercase;font-weight:900;color:var(--blue);margin-bottom:18px}
h1{font-size:clamp(52px,6.4vw,86px);line-height:.96;letter-spacing:-4px;margin:0 0 28px;font-weight:850}
.hero p{font-size:19px;line-height:1.72;color:#d5e0e6;max-width:660px;margin:0}
.buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:14px 21px;border-radius:7px;font-size:14px;font-weight:900;transition:.2s}
.primary{background:var(--orange);color:#fff;box-shadow:0 10px 25px rgba(244,119,33,.2)}
.primary:hover{background:var(--orange2);transform:translateY(-1px)}
.secondary{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.03)}
.secondary:hover{background:rgba(255,255,255,.09)}
.hero-side{display:grid;gap:14px;max-width:300px}
.hero-side .trust-card{border-left:3px solid var(--orange);padding:16px 18px;background:rgba(7,19,29,.58);backdrop-filter:blur(7px);border-radius:0 8px 8px 0}
.trust-card strong{display:block;font-size:14px}
.trust-card span{display:block;color:#aebdc6;font-size:12px;margin-top:2px}
.cred-strip{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 24px rgba(8,19,29,.05)}
.cred-row{min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.gas-badge{display:flex;align-items:center;gap:16px}
.gas-logo{width:66px;height:66px;object-fit:contain;flex:none}
.gas-badge strong{display:block;font-size:14px}
.gas-badge small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.gas-badge small b{color:var(--ink)}
.since{font-size:13px;color:var(--muted);font-weight:800}
.brands{padding:34px 0;background:#f3f6f7;border-top:1px solid #edf1f3;border-bottom:1px solid #edf1f3}
.brand-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.brand{height:92px;background:#fff;border:1px solid var(--line);border-radius:9px;display:flex;align-items:center;justify-content:center;padding:16px 24px;box-shadow:0 5px 18px rgba(8,19,29,.035)}
.brand img{width:auto;height:54px;max-width:100%;object-fit:contain}
section{padding:92px 0}
.head{max-width:790px;margin:0 auto 48px;text-align:center}
.head .eyebrow{color:#1e789f}
h2{font-size:clamp(34px,4.2vw,52px);line-height:1.03;letter-spacing:-2.2px;margin:0 0 16px;font-weight:850;color:var(--ink)}
.head p{font-size:17px;color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 8px 26px rgba(8,19,29,.045);transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card img{width:100%;height:155px;object-fit:cover}
.card div{padding:19px 18px 21px}
.card h3{font-size:17px;line-height:1.2;margin:0 0 7px;color:var(--ink)}
.card p{font-size:13px;line-height:1.55;color:var(--muted);margin:0}
.work{background:var(--ink);color:#fff}
.work .head .eyebrow{color:var(--blue)}
.work h2{color:#fff}
.work .head p{color:#afbec7}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
figure{margin:0;position:relative;overflow:hidden;border-radius:9px;aspect-ratio:4/3;background:#10202c}
figure img{width:100%;height:100%;object-fit:cover;transition:.4s}
figure:hover img{transform:scale(1.045)}
figcaption{position:absolute;left:0;right:0;bottom:0;padding:48px 15px 13px;color:#fff;font-size:12px;font-weight:800;background:linear-gradient(transparent,rgba(0,0,0,.75))}
.about{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}
.about-photo{border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.about-photo img{width:100%;height:560px;object-fit:cover}
.about .eyebrow{color:#1e789f}
.about h2{text-align:left}
.about>div:last-child>p{font-size:17px;color:var(--muted);line-height:1.75}
.ticks{list-style:none;padding:0;margin:30px 0 0;display:grid;gap:18px}
.ticks li{display:flex;gap:13px;align-items:flex-start}
.tick{width:27px;height:27px;border-radius:50%;background:#edf7fb;color:#18789e;display:grid;place-items:center;font-weight:900;flex:none}
.ticks b{color:var(--ink)}
.cta{background:linear-gradient(110deg,#07141f,#102d40);color:#fff;padding:66px 0}
.cta .row{display:flex;justify-content:space-between;align-items:center;gap:35px}
.cta h2{color:#fff;margin-bottom:9px}
.cta p{color:#b8c8d2;margin:0}
.contact{background:#f5f7f8}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.box{background:#fff;border:1px solid var(--line);border-radius:11px;padding:24px;min-height:110px}
.box strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:1.6px;color:#7a8993;margin-bottom:7px}
.box a{color:#16799f;font-weight:900}
footer{background:#050e15;color:#aebdc6;padding:60px 0 25px}
.fg{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:55px}
footer .flogo{width:205px}
footer p{font-size:13px;line-height:1.7}
footer h3{color:#fff;font-size:14px;margin:0 0 15px}
footer a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:20px;font-size:11px;display:flex;justify-content:space-between;gap:20px}
.page-hero{position:relative;min-height:470px;background:linear-gradient(90deg,rgba(5,15,23,.98),rgba(5,15,23,.84) 55%,rgba(5,15,23,.25)),url('../assets/installation-8.jpeg') center/cover;display:flex;align-items:center;color:#fff}
.page-hero .copy{padding:90px 0;max-width:850px}
.page-hero h1{font-size:clamp(45px,5.5vw,70px);letter-spacing:-3px;margin-bottom:18px}
.page-hero p{font-size:18px;color:#d4e0e7;max-width:760px}
.mini-cred{font-size:13px;color:#b8c8d2;margin-bottom:17px}
.content-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:65px;align-items:start}
.prose h2{margin-top:0}.prose h3{margin-top:32px;color:var(--ink)}
.prose p,.prose li{font-size:16px;color:var(--muted)}
.prose a{color:#147aa2;font-weight:800}
.sidebox{background:var(--ink);color:#fff;border-radius:13px;padding:30px;position:sticky;top:110px}
.sidebox h3{margin-top:0;color:#fff}.sidebox p{color:#b8c8d2}.sidebox a{color:#fff;font-weight:900}
.seo-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}
.seo-link{border:1px solid var(--line);padding:17px;border-radius:9px;background:#fff}
.seo-link b{display:block;color:var(--ink)}.seo-link span{font-size:12px;color:var(--muted)}
@media(max-width:1000px){
  .cards{grid-template-columns:repeat(3,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:35px}
  .hero-side{grid-template-columns:repeat(2,1fr);max-width:680px}
  .about{gap:45px}
}
@media(max-width:760px){
  .wrap{width:min(100% - 30px,1180px)}
  .topbar .wrap{justify-content:center}.topbar span:first-child{display:none}
  .nav{min-height:74px}.logo{width:165px}nav{display:none}.phone{font-size:12px;padding:9px 12px}
  .hero,.hero .wrap{min-height:700px}.hero-grid{padding:70px 0}
  h1{font-size:clamp(45px,12vw,62px);letter-spacing:-2.8px}
  .hero p{font-size:16px}.hero-side{grid-template-columns:1fr 1fr}
  .cred-row{padding:17px 0;align-items:flex-start;flex-direction:column;gap:12px}
  section{padding:68px 0}.head{margin-bottom:35px}
  .cards,.gallery,.contact-grid,.fg,.content-grid,.seo-links{grid-template-columns:1fr}
  .brand-row{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr}.about-photo img{height:420px}
  .cta .row{display:block}.cta .buttons{margin-top:24px}
  .copy{display:block}.copy span{display:block;margin-top:5px}
  .sidebox{position:static}
}
@media(max-width:430px){
  .hero-side{grid-template-columns:1fr}.brand-row{grid-template-columns:1fr}
}