*{box-sizing:border-box}html,body{margin:0;padding:0}
:root{--bg:#0f172a;--bg2:#111827;--text:#e5e7eb;--muted:#94a3b8;--primary:#2563eb;--accent:#22c55e}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;background:linear-gradient(180deg,var(--bg),#0b1220);color:var(--text)}
.container{max-width:1100px;margin:0 auto;padding:16px}
.header{display:flex;align-items:center;justify-content:space-between;padding-top:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px}
.brand.small span{font-size:14px;color:var(--muted)}
.lang button{background:transparent;border:1px solid rgba(255,255,255,.15);color:var(--text);padding:6px 10px;border-radius:10px;margin-inline-start:6px;cursor:pointer}
.lang button.active,.lang button:hover{background:rgba(255,255,255,.06)}
.hero{padding:56px 16px}
.hero h1{font-size:clamp(28px,4vw,48px);line-height:1.15;margin:0}
.hero .sub{color:var(--muted);font-size:18px;margin:10px 0 0}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:14px;text-decoration:none;color:#fff;border:0;cursor:pointer}
.btn.primary{background:var(--primary)}
.btn.success{background:var(--accent);color:#06310f;font-weight:700}
.pill{font-size:12px;color:var(--muted);background:rgba(255,255,255,.06);padding:6px 10px;border-radius:999px}
.founders{color:var(--muted);font-size:14px;margin-top:10px}
.features h2{font-size:24px;margin:0 0 12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.15)}
.icon{font-size:22px;margin-bottom:8px}
.demo{display:grid;grid-template-columns:2fr 1fr;gap:18px;align-items:start}
.demo .form label{display:grid;gap:6px;margin-bottom:10px}
input,textarea{background:rgba(15,23,42,.6);border:1px solid rgba(255,255,255,.12);border-radius:12px;color:var(--text);padding:12px 14px;outline:none}
input:focus,textarea:focus{border-color:var(--primary)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.list ul{margin:0;padding-inline-start:20px;display:grid;gap:10px}
.footer{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:18px;display:flex;align-items:center;justify-content:space-between}
.small{font-size:12px;color:var(--muted)}
@media (max-width:900px){.demo{grid-template-columns:1fr}.row2{grid-template-columns:1fr}}