body{margin:0;font-family:Poppins,sans-serif;background:#f8fafc;color:#222}header{position:sticky;top:0;background:#0b1f3a;padding:15px}nav{display:flex;gap:20px;align-items:center}nav h2{color:#fff;margin-right:auto}nav a{color:#fff;text-decoration:none}.hero{min-height:80vh;display:grid;place-items:center;background:url('https://images.unsplash.com/photo-1552664730-d307ca884978?auto=format&fit=crop&w=1600&q=80') center/cover}.hero div{background:rgba(0,0,0,.55);padding:40px;border-radius:12px;color:#fff;max-width:700px;text-align:center}.btn{background:#d4af37;color:#000;padding:12px 22px;text-decoration:none;border-radius:30px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 8px 20px rgba(0,0,0,.1);transition:.3s}.card:hover{transform:translateY(-8px)}section{padding:70px 10%}