:root{--primary:#2563eb;--secondary:#0f172a}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#172033;background:#f8fafc}.site-header,.site-footer{background:var(--secondary);color:#fff}.site-header a,.site-footer a{color:#fff}.wrap{max-width:1100px;margin:auto;padding:1rem}.hero,.card{background:#fff;border-radius:18px;padding:1.5rem;box-shadow:0 10px 30px #0f172a14;margin:1rem 0}.btn{display:inline-block;background:var(--primary);color:#fff;padding:.75rem 1rem;border-radius:999px;text-decoration:none}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.muted{color:#64748b}img{max-width:100%;height:auto;border-radius:14px}nav{display:flex;gap:1rem;flex-wrap:wrap}