body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#333;line-height:1.6}
nav{background:#0f4c81;padding:10px;text-align:center}
nav a{color:#fff;margin:0 15px;text-decoration:none;font-weight:bold}
header{background:#0a2540;color:#fff;padding:80px 20px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}
header img{max-width:180px;margin-bottom:25px}
header h1{font-size:2.4rem;margin-bottom:15px}
header p{max-width:850px;font-size:1.1rem}
section{padding:60px 20px;max-width:600px;margin:auto}
form{display:flex;flex-direction:column;gap:15px}
form input,form textarea{padding:12px;border:1px solid #ccc;border-radius:5px;width:100%;font-size:1rem}
form button{padding:14px;background:#0f4c81;color:#fff;border:none;font-size:16px;cursor:pointer;border-radius:5px}
form button:hover{background:#0a2540}
footer{background:#0a2540;color:#fff;text-align:center;padding:60px 20px 40px;position:relative}
.btn-call{position:fixed;bottom:20px;left:20px;background:#0f4c81;color:white;padding:14px 18px;border-radius:50px;text-decoration:none;font-weight:bold;box-shadow:0 4px 8px rgba(0,0,0,0.3);z-index:1000}
.btn-whatsapp{position:fixed;bottom:20px;right:20px;background:#25D366;color:white;padding:15px 20px;border-radius:50px;text-decoration:none;font-weight:bold;box-shadow:0 4px 8px rgba(0,0,0,0.3);z-index:1000}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:30px}
.card{background:#F4F6F8;padding:30px;border-radius:8px}
.card h3{color:#0F4C81;margin-bottom:10px}