body{font-family:Arial,sans-serif;margin:0;line-height:1.6}
header{background:#d89200;color:#fff;padding:15px}
nav a{color:#fff;text-decoration:none;margin-right:15px}
.hero{padding:80px 20px;background:#333;color:#fff;text-align:center}
.container{padding:30px;max-width:1100px;margin:auto}
.card{border:1px solid #ddd;padding:20px;border-radius:10px;margin:10px 0}
footer{background:#222;color:#fff;text-align:center;padding:20px}
.whatsapp{position:fixed;bottom:20px;right:20px;background:#25D366;color:#fff;padding:12px 18px;border-radius:25px;text-decoration:none}