body{font-family:Arial;margin:0;background:#111;color:#fff}header{display:flex;justify-content:space-between;padding:20px;background:#000}nav a{color:#fff;margin:0 10px;text-decoration:none}.hero{padding:60px;text-align:center;background:#222}.grid{display:flex;gap:20px;padding:20px}.card{background:#333;padding:20px;flex:1}button{padding:10px 20px;background:#c9a34a;border:0}footer{text-align:center;padding:20px;background:#000}