:root{--bg:#0b0f14;--panel:#0f151d;--text:#e6edf3;--muted:#9fb3c8;--primary:#5ad7ff;--accent:#8b5cf6}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,sans-serif;line-height:1.6}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;background:linear-gradient(180deg,#0b0f14 60%,rgba(11,15,20,.85));border-bottom:1px solid #1f2a37}
.brand{font-weight:800;letter-spacing:.5px}.nav a{margin-left:16px;color:var(--muted)}.nav a.active,.nav a:hover{color:var(--text)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.hero{padding:72px 0;background:radial-gradient(600px 300px at 20% -10%,rgba(90,215,255,.15),transparent 60%),radial-gradient(600px 300px at 85% 10%,rgba(139,92,246,.15),transparent 60%)}
.hero .logo{width:84px;height:84px;margin-bottom:16px;filter:drop-shadow(0 8px 24px rgba(138,180,248,.25))}
h1{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:.25em 0}.lede{color:var(--muted);max-width:720px}
.cta{margin:20px 0}.btn{display:inline-block;border:1px solid #2b3948;border-radius:10px;padding:10px 16px;color:var(--text);background:transparent}
.btn.primary{background:linear-gradient(90deg,var(--primary),var(--accent));color:#081018;border:none}
.cards{padding:40px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid #1e2937;border-radius:12px;padding:18px}.page{padding:40px 0}
.site-footer{border-top:1px solid #1f2a37;padding:24px 0;color:var(--muted)}.footer-nav a{margin-left:12px}
.notfound{padding:120px 0;text-align:center}