body{margin:0;padding:0;background:linear-gradient(135deg,#0a0f1c,#1a233a);color:#fff;font-family:Arial,sans-serif;height:100vh;display:flex;justify-content:center;align-items:center;text-align:center}.container h1{font-size:4rem;margin:0}.container p{font-size:1.5rem;margin-top:1rem;opacity:.8}