:root{
  --bg:#0b0d12; --panel:#0f1320; --ink:#e8eefc; --muted:#a9b2c7; --brand:#6ea8fe; --accent:#9ef0ff; --line:#1b2236;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:1120px;margin:auto;padding:20px}
header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);backdrop-filter:saturate(120%) blur(6px);position:sticky;top:0;background:rgba(11,13,18,.75)}
.brand{display:flex;gap:10px;align-items:center;font-weight:700}
.nav a{margin-left:20px;color:var(--muted)}
.hero{padding:64px 20px 24px}
h1{font-size:48px;margin:0 0 10px}
.lead{color:var(--muted);max-width:720px}
.ctas{margin:24px 0;display:flex;gap:12px}
.btn{padding:10px 16px;border-radius:10px;border:1px solid var(--line)}
.btn.primary{background:linear-gradient(45deg,var(--brand),var(--accent));color:#0b0d12;font-weight:700}
.btn.ghost{color:var(--ink);border-color:var(--line)}
.glass{border:1px solid var(--line);background:radial-gradient(1200px 400px at 20% -10%,rgba(110,168,254,.15),transparent),rgba(16,20,31,.6);border-radius:18px;padding:24px}
.hero-art .grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.card{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center;color:var(--muted)}
.features{padding:40px 20px}
.features h2,.stack h2,.contact h2{margin:0 0 12px}
.feat-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.stack .cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.kard{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:16px}
.contact{padding:40px 20px}
.foot{border-top:1px solid var(--line);color:var(--muted)}
@media (max-width:900px){
  h1{font-size:36px}
  .stack .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:600px){
  .hero-art .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}