:root{
  --bg:#070a0e; --bg2:#0c1118; --fg:#eef2f7; --muted:#8a94a6;
  --accent:#e2231a; --accent2:#0095eb; --line:rgba(255,255,255,.08); --max:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--fg);line-height:1.55;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,5vw,56px)}
.eyebrow{font-size:12px;letter-spacing:.32em;text-transform:uppercase;color:var(--accent);font-weight:700}
h1,h2,h3{font-weight:800;letter-spacing:-.02em;line-height:1.06}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;background:var(--accent);color:#fff;transition:transform .3s,box-shadow .3s;cursor:pointer;border:none}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px -16px rgba(226,35,26,.7)}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);box-shadow:none}
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));z-index:1100}

/* nav */
header.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
header.nav.scrolled{background:rgba(7,10,14,.82);backdrop-filter:blur(14px);border-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:20px}
.logo{display:flex;align-items:center}
.logo img{height:50px;width:auto;display:block}
.nav nav{display:flex;gap:26px;align-items:center}
.nav nav a{font-size:14px;color:var(--muted);font-weight:500;transition:color .25s;position:relative;white-space:nowrap}
.nav nav a:hover,.nav nav a.active{color:var(--fg)}
.nav nav a.active::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:2px;background:var(--accent)}
.lang{display:flex;gap:2px;border:1px solid var(--line);border-radius:999px;padding:3px;font-size:13px}
.lang button{background:none;border:none;color:var(--muted);padding:5px 12px;border-radius:999px;cursor:pointer;font-weight:600}
.lang button.on{background:var(--accent);color:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.burger span{width:26px;height:2px;background:var(--fg)}

/* hero */
.phero{position:relative;min-height:74vh;display:flex;align-items:flex-end;overflow:hidden;padding:120px 0 60px}
.phero video,.phero .ph{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.phero .ph{background:#0c1a24}
.phero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(7,10,14,.6),rgba(7,10,14,.45) 40%,rgba(7,10,14,.95))}
.crumb{font-size:13px;color:var(--muted);margin-bottom:18px;letter-spacing:.04em}
.crumb a:hover{color:var(--accent)}
.phero h1{font-size:clamp(36px,6.4vw,80px);margin-bottom:18px;max-width:900px}
.phero h1 .grad{background:linear-gradient(120deg,#e2231a,#ff6a40);-webkit-background-clip:text;background-clip:text;color:transparent}
.phero p{font-size:clamp(16px,1.9vw,20px);color:#c7cedb;max-width:600px;margin-bottom:28px}

.sec{padding:clamp(70px,9vw,130px) 0}
.sec-head{max-width:720px;margin-bottom:54px}
.sec-head h2{font-size:clamp(28px,4.2vw,50px);margin:16px 0}
.sec-head p{color:var(--muted);font-size:clamp(15px,1.7vw,18px)}
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform .9s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* overview split */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}
.split.rev{grid-template-columns:1fr 1.05fr}
.split .media{border-radius:20px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.split .media img,.split .media video{width:100%;height:100%;object-fit:cover}
.split h2{font-size:clamp(26px,3.6vw,44px);margin:14px 0 20px}
.split p{color:var(--muted);font-size:16.5px;margin-bottom:16px}
.split ul{list-style:none;display:grid;gap:12px;margin-top:18px}
.split li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px}
.split li svg{flex-shrink:0;color:var(--accent);margin-top:3px}

/* features */
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.fcard{border:1px solid var(--line);border-radius:18px;padding:30px 26px;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent);transition:transform .4s,border-color .4s}
.fcard:hover{transform:translateY(-7px);border-color:rgba(226,35,26,.45)}
.fcard .ic{width:50px;height:50px;border-radius:13px;background:rgba(226,35,26,.13);display:grid;place-items:center;color:var(--accent);margin-bottom:18px}
.fcard h3{font-size:19px;margin-bottom:10px}
.fcard p{color:var(--muted);font-size:14.5px}

/* gallery */
.pgal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pgal .gt{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line)}
.pgal .gt.wide{grid-column:span 2}
.pgal .gt video,.pgal .gt img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.pgal .gt:hover video,.pgal .gt:hover img{transform:scale(1.06)}
.pgal .gt::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,10,14,.7));pointer-events:none}
@media(max-width:760px){.pgal{grid-template-columns:1fr 1fr}.pgal .gt.wide{grid-column:span 2}}

/* specs */
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:24px;border-top:1px solid var(--line);padding-top:40px}
.spec .n{font-size:clamp(30px,4vw,52px);font-weight:900;background:linear-gradient(120deg,#e2231a,#ff6a40);-webkit-background-clip:text;background-clip:text;color:transparent}
.spec .l{color:var(--muted);font-size:14px;margin-top:6px}

/* cta */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);background:linear-gradient(180deg,var(--bg2),var(--bg))}
.cta-band .wrap{text-align:center;padding:clamp(60px,8vw,110px) 0}
.cta-band h2{font-size:clamp(28px,4.2vw,52px);margin-bottom:18px}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 30px;font-size:17px}

/* other products */
.others{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.ocard{border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .35s,border-color .35s;background:var(--bg2)}
.ocard:hover{transform:translateY(-6px);border-color:var(--accent)}
.ocard .thumb{aspect-ratio:16/9;overflow:hidden}
.ocard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ocard:hover .thumb img{transform:scale(1.07)}
.ocard .body{padding:20px}
.ocard h3{font-size:17px;margin-bottom:6px}
.ocard span{color:var(--accent);font-size:13px;font-weight:600}

footer.foot{border-top:1px solid var(--line);padding:50px 0 40px}
.foot .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot .logo img{height:42px}
.foot .muted{color:var(--muted);font-size:14px}

@media(max-width:920px){
  .nav nav{position:fixed;inset:78px 0 auto 0;flex-direction:column;background:rgba(7,10,14,.97);padding:28px 0;gap:20px;transform:translateY(-130%);transition:transform .4s;border-bottom:1px solid var(--line)}
  .nav nav.open{transform:none}
  .burger{display:flex}
  .split,.split.rev{grid-template-columns:1fr}
  .pgal{grid-template-columns:1fr}.pgal .gt.wide{grid-column:span 1}
}