:root{--bg:#0b0f1a;--surface:#0e1526;--surface-2:#121a2b;--fg:#e6eefc;--muted:#a9b5cc;--accent:#7dd3fc;--accent-2:#60a5fa;--line:#1f2a44}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg)}
.container{width:min(1120px,92%);margin:0 auto}
/* Header */
.site-header{position:sticky;top:0;background:linear-gradient(180deg,var(--surface),rgba(14,21,38,.9));border-bottom:1px solid var(--line);backdrop-filter:saturate(1.2) blur(8px);z-index:20}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.85rem 0}
.brand{color:var(--fg);text-decoration:none;font-weight:700;letter-spacing:.2px}
.brand-strong{color:var(--accent)}
.nav a{color:var(--fg);opacity:.85;text-decoration:none;margin-left:1rem}
.nav a:hover{opacity:1;color:var(--accent)}
.sub-banner{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);background:var(--surface-2);padding:.5rem 0;text-align:center}
/* Hero */
.hero{padding:4.5rem 0 2.5rem;background:radial-gradient(1200px 480px at 50% -10%,rgba(96,165,250,.15),transparent 65%);text-align:center}
.hero h1{font-size:clamp(2rem,4vw,3rem);margin:0 0 .5rem}
.hero p{color:var(--muted);margin:0 0 1.25rem}
.hero-cta{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap;margin-top:1rem}
.btn{display:inline-block;padding:.7rem 1rem;border-radius:.6rem;text-decoration:none;border:1px solid var(--line);background:var(--surface-2);color:var(--fg)}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#001b2e;border:0;font-weight:700}
.btn:hover{filter:brightness(1.05)}
.hero-img{max-width:100%;height:auto;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.35);margin-top:1rem}
/* Sections */
.section{padding:3rem 0}
.section h2{margin-top:0}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:1rem}
.card h3{margin-top:0}
/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--surface);color:var(--muted)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0}
.footer-links a{color:var(--muted);text-decoration:none}
.footer-links a:hover{color:var(--fg)}
.legal{border-top:1px solid var(--line);text-align:center;padding:.75rem 0;font-size:.9rem}