:root{--bg:#0b0f14;--fg:#e8eef6;--muted:#aab7c7;--accent:#4ee3b0;--card:#0f1620;--border:#1a2330;--link:#9fc7ff}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;font:16px/1.55 Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:linear-gradient(180deg,#0b0f14 0%,#0b0f14 60%,#0c131c 100%)}
a{color:var(--link);text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:32px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;gap:12px;align-items:center;font-weight:800;letter-spacing:.2px;font-size:18px}
.brand img{height:32px;width:auto}
.btn{display:inline-block;padding:12px 18px;border-radius:12px;background:var(--accent);color:#091015;text-decoration:none;font-weight:700;border:0;cursor:pointer}
.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--fg)}
.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:36px;padding:64px 0 36px}
.h1{font-size:54px;line-height:1.05;margin:0 0 12px}
.sub{color:var(--muted);margin:0 0 28px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px}
.k{font-weight:800;color:var(--accent);margin-bottom:6px}
.mock{height:360px;display:grid;place-items:center;border:2px dashed var(--border);border-radius:16px;background:linear-gradient(180deg,#0e1621 0%,#0b111a 100%)}
.mock small{color:#8aa0b6}
.footer{color:#8292a6;padding:40px 0;border-top:1px solid #101b28;margin-top:56px}
.center{text-align:center}
main{min-height:calc(100vh - 160px)}
.page{max-width:800px;margin:0 auto;padding:32px}
.page h1{margin-top:0;font-size:36px}
.page h2{margin-top:32px;font-size:22px}
.page p,.page li{color:#d7e3f1}
@media (max-width:900px){.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.h1{font-size:40px}}