body{margin:0;font-family:Arial,sans-serif;background:#fff;color:#1f2937}.container{max-width:1100px;margin:auto;padding:40px 20px}.hero{background:#0f2d52;color:#fff;text-align:center;padding:80px 20px}.lead{max-width:700px;margin:20px auto}.btn{display:inline-block;padding:12px 22px;border-radius:30px;text-decoration:none;margin:5px;border:2px solid #16a34a;color:#16a34a}.primary{background:#16a34a;color:#fff}.features{background:#f4f7fb}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;font-weight:bold}.card{max-width:360px;margin:auto;padding:25px;border:1px solid #ddd;border-radius:12px;box-shadow:0 5px 12px rgba(0,0,0,.08);text-align:center}footer{background:#0f2d52;color:#fff;text-align:center}