:root{
  --bg:#071428;
  --card:#0e2233;
  --muted:#9fb0c9;
  --accent1:#D4A33A;
  --accent2:#F5D38B;
  --glass: rgba(255,255,255,0.04);
  --radius:14px;
  --max-w:1100px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;
  color-scheme:dark;
  color:#f0f6fb;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: radial-gradient(circle at 10% 10%, rgba(212,163,58,0.06), transparent 10%), linear-gradient(180deg,#06131b,var(--bg));
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
a{color:inherit}
.container{max-width:var(--max-w);margin:0 auto;padding:1.25rem}
.topbar{position:sticky;top:0;z-index:80;background:linear-gradient(180deg, rgba(6,10,17,0.6), rgba(6,10,17,0.2));backdrop-filter: blur(6px);border-bottom:1px solid rgba(255,255,255,0.03)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;gap:0.8rem;align-items:center}
.brand img{width:56px;height:56px;border-radius:10px;object-fit:contain;box-shadow:0 8px 30px rgba(0,0,0,0.6)}
.brand h1{font-size:18px;margin:0}
.nav{display:flex;gap:0.6rem;align-items:center}
.nav a{color:var(--muted);text-decoration:none;padding:0.5rem;border-radius:8px;font-weight:600}
.nav a:hover{color:#fff}
.btn{padding:0.56rem 0.9rem;border-radius:10px;border:0;background:linear-gradient(90deg,var(--accent1),var(--accent2));color:#072326;font-weight:700;cursor:pointer}
.hero{padding:6rem 0 4rem;display:grid;grid-template-columns:1fr 420px;gap:2rem;align-items:center}
.headline{font-size:2.4rem;line-height:1.02;margin:0 0 0.6rem}
.lead{color:var(--muted);max-width:54ch}
.device{border-radius:18px;padding:12px;background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);box-shadow:0 20px 60px rgba(2,6,23,0.6);border:1px solid rgba(255,255,255,0.02)}
.stats{display:flex;gap:1rem;margin-top:1rem}
.stat{background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);padding:0.6rem;border-radius:10px;text-align:center;min-width:90px}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.feature{padding:1rem;border-radius:12px;background:var(--card);border:1px solid rgba(255,255,255,0.02)}
.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.video-card{border-radius:12px;overflow:hidden;background:linear-gradient(180deg, rgba(255,255,255,0.015), transparent);border:1px solid rgba(255,255,255,0.02);cursor:pointer;display:flex;flex-direction:column}
.thumb{height:140px;background-size:cover;background-position:center}
.card-body{padding:0.8rem}
.footer{padding:1.2rem;margin-top:2rem;border-top:1px solid rgba(255,255,255,0.03);text-align:center;color:var(--muted)}
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(2,6,23,0.8);opacity:0;pointer-events:none;transition:opacity .22s}
.modal.open{opacity:1;pointer-events:auto}
.modal .inner{width:min(960px,96%);background:linear-gradient(180deg,#04121a,#061621);border-radius:12px;padding:1rem;border:1px solid rgba(255,255,255,0.03)}
.form{max-width:680px;margin:1rem auto;background:linear-gradient(180deg, rgba(255,255,255,0.01), transparent);padding:1rem;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}
.input,textarea,select{width:100%;padding:0.7rem;border-radius:8px;border:1px solid rgba(255,255,255,0.02);background:transparent;color:inherit;margin:0.5rem 0}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--muted);padding:0.5rem 0.8rem;border-radius:10px}
.small{font-size:0.9rem;color:var(--muted)}
@media(max-width:900px){
  .hero{grid-template-columns:1fr;gap:1.2rem}
  .device{order:-1}
}