body{margin:0;font-family:Arial;background:#0d0d0d;color:#fff}
nav{display:flex;justify-content:space-between;align-items:center;padding:15px 40px;background:#111;position:sticky;top:0}
.logo{height:70px}.btn{padding:10px 16px;border:1px solid #ff7b00;color:#fff;text-decoration:none;margin-left:8px}
.orange{background:#ff7b00}.hero{height:70vh;display:grid;place-items:center;text-align:center;background:linear-gradient(#0008,#0008),radial-gradient(circle,#333,#111)}
h1{font-size:64px;color:#ff7b00}.card{background:#181818;padding:30px;border-radius:16px;margin:20px}
#features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));padding:40px;gap:20px}