body{margin:0;font-family:Arial,sans-serif;background:#090909;color:#fff}nav{display:flex;justify-content:space-between;padding:20px 40px;position:fixed;width:100%;box-sizing:border-box;background:rgba(0,0,0,.45);backdrop-filter:blur(8px)}ul{display:flex;gap:20px;list-style:none}.hero{height:100vh;background:linear-gradient(135deg,#111,#333);display:flex;align-items:center;justify-content:center;text-align:center}.overlay{padding:20px}h1{font-size:4rem}.btn{display:inline-block;margin-top:20px;padding:14px 28px;background:#fff;color:#000;text-decoration:none;border-radius:30px}section{padding:80px 10%}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.card{background:#161616;padding:30px;border:1px solid #444;border-radius:12px}.cta{text-align:center}footer{text-align:center;padding:30px;border-top:1px solid #333}