body{margin:0;font-family:Arial;background:#f4f7fc;color:#222}header{display:flex;justify-content:space-between;align-items:center;background:#0b3d91;color:#fff;padding:18px 8%}nav a{color:#fff;text-decoration:none;margin-left:18px}section{padding:70px 8%}.hero{background:linear-gradient(135deg,#0b3d91,#1fa855);color:#fff;text-align:center;padding:90px 8%}.btn{display:inline-block;padding:14px 24px;border-radius:8px;background:#fff;color:#0b3d91;text-decoration:none;font-weight:bold}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 4px 14px rgba(0,0,0,.08)}footer{background:#0b3d91;color:#fff;text-align:center;padding:25px}.form input,.form select{width:100%;padding:12px;margin:8px 0}.form button{background:#1fa855;color:#fff;border:none;padding:12px 20px;border-radius:8px;width:100%}.whatsapp{position:fixed;right:20px;bottom:20px;background:#25D366;color:#fff;padding:14px 18px;border-radius:50px;text-decoration:none}