body{font-family:tahoma;margin:0;background:#f4f7fb;color:#123}.hero{background:#0b3a67;color:#fff;padding:70px;text-align:center}.cards{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;padding:40px}.cards div{background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 10px #ccc;min-width:220px}footer{background:#0b3a67;color:#fff;text-align:center;padding:20px}