:root{
  --bg:#070707;--panel:#141419;--panel2:#1a1a21;--gold:#c9a35a;--gold2:#efd28b;
  --text:#f7f4ee;--muted:#c8c2b8;--line:rgba(201,163,90,.28);--green:#32cc7a;--red:#e45e5e;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 86% 8%,rgba(201,163,90,.14),transparent 26%),linear-gradient(135deg,#050505,#111116 55%,#070707);color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif;line-height:1.6}
a{color:inherit}img{max-width:100%;display:block}.wrap{width:min(1180px,92vw);margin:auto}
.top{font-size:12px;color:#bbb6ac;background:#0a0a0c;border-bottom:1px solid rgba(255,255,255,.06)}
.top .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:7px 0}
header{position:sticky;top:0;z-index:70;background:rgba(7,7,8,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}
.logos{display:flex;gap:8px}.logos img{width:54px;height:54px;object-fit:contain;border-radius:13px;border:1px solid var(--line);background:#050505;padding:4px}.logos img:last-child{background:#fff}
nav{display:flex;justify-content:center;gap:18px}nav a{text-decoration:none;color:#ded9cf;font-size:14px}nav a:hover{color:var(--gold2)}
.system{text-decoration:none;border-radius:999px;padding:12px 18px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#181108;font-weight:900}
.menu{display:none;background:transparent;border:1px solid var(--line);color:white;border-radius:12px;padding:9px 12px}
.progress{position:fixed;left:0;top:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold2));width:0;z-index:100}
.hero{min-height:78vh;display:grid;align-items:center;padding:60px 0 72px;border-bottom:1px solid rgba(201,163,90,.13)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:2.2px;font-size:12px;font-weight:900;color:var(--gold2)}
h1,h2,h3{line-height:1.09;margin:0}h1{font-size:clamp(44px,6.2vw,80px);margin:14px 0 22px}h2{font-size:clamp(32px,4.4vw,56px);margin-bottom:18px}h3{font-size:23px;margin-bottom:10px}
p{color:var(--muted);margin:0 0 17px}.lead{font-size:clamp(18px,2.1vw,23px);color:#ece8df}.gold{color:var(--gold2)}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:999px;padding:14px 22px;font-weight:900;border:1px solid var(--line);transition:.2s}.btn:hover{transform:translateY(-2px)}.primary{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#161007;border:0}
.hero-card,.card,.panel{border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.025));box-shadow:0 28px 75px rgba(0,0,0,.35)}
.hero-card{padding:20px}.hero-card img{width:100%;height:540px;object-fit:contain;border-radius:20px;background:#050505}
section{padding:88px 0;border-bottom:1px solid rgba(201,163,90,.11)}.head{max-width:880px;margin-bottom:36px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:24px}
.quote{border-left:3px solid var(--gold);padding:18px 20px;background:rgba(201,163,90,.06);border-radius:0 18px 18px 0;color:#eee}
.fabric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fabric{padding:22px;border:1px solid rgba(255,255,255,.1);border-radius:22px;background:rgba(255,255,255,.04);transition:.25s;cursor:pointer;min-height:185px}
.fabric:hover,.fabric.active{transform:translateY(-4px);border-color:var(--gold);background:rgba(201,163,90,.07)}.fabric small{color:var(--gold2);font-weight:900;text-transform:uppercase;letter-spacing:1.3px}.fabric-detail{margin-top:18px;padding:24px;border:1px solid var(--line);border-radius:24px;background:rgba(201,163,90,.05)}
.method{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.method-item{padding:20px;border:1px solid rgba(255,255,255,.1);border-radius:20px;background:rgba(255,255,255,.04)}.num{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#171108;font-weight:900;margin-bottom:14px}
.errors{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.error{padding:20px;border:1px solid rgba(228,94,94,.35);border-radius:20px;background:rgba(228,94,94,.06)}.error strong{color:#ff9f9f;display:block;margin-bottom:6px}
.tech{position:relative;cursor:zoom-in}.tech img{width:100%;border-radius:22px;border:1px solid var(--line)}.hint{position:absolute;right:16px;bottom:16px;padding:10px 14px;border-radius:999px;background:rgba(0,0,0,.8);border:1px solid var(--line);font-size:13px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare .side{padding:24px;border:1px solid rgba(255,255,255,.1);border-radius:24px;background:rgba(255,255,255,.04)}.compare .side.clean{border-color:var(--gold);background:rgba(201,163,90,.06)}.check,.cross{list-style:none;padding:0;margin:0;display:grid;gap:11px}.check li,.cross li{position:relative;padding-left:30px;color:var(--muted)}.check li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}.cross li:before{content:"×";position:absolute;left:0;color:var(--red);font-weight:900}
.calc{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:end}input{width:100%;padding:14px 15px;border-radius:15px;border:1px solid rgba(255,255,255,.18);background:#fff;color:#111;font:inherit}.result{padding:24px;border:1px solid var(--line);border-radius:22px;background:rgba(201,163,90,.06)}.result strong{display:block;color:var(--gold2);font-size:30px}
.faq{display:grid;gap:12px}details{border:1px solid rgba(255,255,255,.1);border-radius:18px;background:rgba(255,255,255,.04);padding:18px 20px}summary{cursor:pointer;font-weight:900}details p{margin-top:12px}
.cta{padding:36px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(135deg,rgba(201,163,90,.14),rgba(255,255,255,.035));text-align:center}
footer{padding:45px 0;background:#050506}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:25px}footer a{display:block;text-decoration:none;color:var(--muted);margin:8px 0}.legal{text-align:center;border-top:1px solid rgba(255,255,255,.08);padding-top:20px;margin-top:30px;color:#88827a;font-size:12px}
.wa{position:fixed;right:18px;bottom:18px;z-index:80}.wa button{border:0;border-radius:999px;padding:14px 18px;background:#20bf61;color:#fff;font-weight:900;cursor:pointer}.wa-menu{display:none;position:absolute;right:0;bottom:60px;width:290px;padding:13px;border-radius:18px;background:#111;border:1px solid var(--line)}.wa-menu.show{display:block}.wa-menu a{display:block;padding:11px;border-radius:12px;text-decoration:none}
.modal{display:none;position:fixed;inset:0;z-index:120;background:rgba(0,0,0,.94);padding:24px;align-items:center;justify-content:center}.modal.open{display:flex}.modal-inner{width:min(1300px,96vw);height:min(90vh,900px);overflow:auto}.close{position:fixed;top:18px;right:18px;border:1px solid var(--line);background:#111;color:#fff;border-radius:999px;padding:11px 15px;cursor:pointer}
@media(max-width:980px){.nav{grid-template-columns:auto auto}nav{display:none;position:absolute;top:82px;left:0;right:0;background:#09090b;padding:18px;flex-direction:column;align-items:flex-start}nav.open{display:flex}.menu{display:block}.system{display:none}.hero-grid,.split,.cards,.compare,.calc{grid-template-columns:1fr}.fabric-grid{grid-template-columns:1fr 1fr}.method{grid-template-columns:1fr 1fr}.errors{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:580px){section{padding:64px 0}.fabric-grid,.method,.footer-grid{grid-template-columns:1fr}.logos img{width:42px;height:42px}.hero-card img{height:420px}}