:root{
  --bg:#0b1220; --card:#121a2b; --soft:#1b2540; --text:#e7ecff; --muted:#b6c2ff; --accent:#5aa1ff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:980px;margin:0 auto;padding:24px}
.nav{display:flex;gap:18px;align-items:center;justify-content:flex-start;padding:16px 24px;background:rgba(255,255,255,0.02);backdrop-filter:saturate(140%) blur(6px);position:sticky;top:0;border-bottom:1px solid rgba(255,255,255,0.06)}
.brand{font-weight:700;letter-spacing:.3px}
.nav a{padding:6px 10px;border-radius:10px}
.nav a.active{background:rgba(90,161,255,.15)}
.hero{padding:56px 0}
.card{background:var(--card);border:1px solid rgba(255,255,255,0.06);border-radius:18px;padding:22px;box-shadow:0 10px 25px rgba(0,0,0,.25);margin:18px 0}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.footer{margin-top:48px;padding:24px;border-top:1px solid rgba(255,255,255,0.06);color:var(--muted);font-size:14px}
.badge{display:inline-block;font-size:12px;padding:4px 8px;border:1px solid rgba(255,255,255,0.12);border-radius:999px;color:var(--muted)}
h1,h2,h3{line-height:1.2}
button.cta{background:var(--accent);color:#07142b;border:0;padding:12px 16px;border-radius:12px;font-weight:700;cursor:pointer}
button.cta:hover{filter:brightness(1.08)}
code,kbd{background:var(--soft);padding:2px 6px;border-radius:6px}