body{margin:0;font-family:Arial,sans-serif;background:linear-gradient(135deg,#0b1220,#111,#182b49);color:#fff;display:flex;min-height:100vh;align-items:center;justify-content:center}
.overlay{text-align:center;width:min(1000px,92%)}
header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px;gap:20px}
header img{max-height:70px;max-width:45%}
.hero{max-width:260px;margin:20px auto;display:block}
h1{font-size:56px;margin:10px 0}p{font-size:22px;color:#ddd}.btn{display:inline-block;margin-top:30px;padding:15px 30px;background:#0d6efd;color:#fff;text-decoration:none;border-radius:40px}footer{margin-top:70px;color:#aaa}