body{font-family:Arial;margin:0;background:#f8fafc;color:#111}.container{max-width:1100px;margin:auto;padding:32px}nav{display:flex;justify-content:space-between}a{margin:10px;color:#333}.hero{text-align:center;padding:80px 0}h1{font-size:44px}button{padding:14px 25px;border:0;border-radius:10px;background:#111;color:#fff}.cards{display:flex;gap:20px}.card{background:#fff;padding:25px;border-radius:15px;flex:1}