body {margin:0; font-family: Arial, sans-serif; color:#fff;}
.hero {background:#198754; text-align:center; padding:50px;}
.about {background:#0d6efd; text-align:center; padding:40px;}
.services {background:#198754; text-align:center; padding:40px;}
.services .cards {display:flex; justify-content:center; flex-wrap:wrap; gap:20px;}
.services .card {background:#0d6efd; padding:20px; border-radius:10px; width:180px;}
.area {background:#0d6efd; text-align:center; padding:40px;}
.contact {background:#198754; text-align:center; padding:40px;}
.btn-red {background:#FF0000; color:#fff; padding:15px 25px; text-decoration:none; border-radius:5px; display:inline-block; margin-top:20px;}
.btn-whatsapp {position:fixed; bottom:20px; right:20px; background:#25d366; color:#fff; padding:15px 20px; border-radius:50px; text-decoration:none; font-weight:bold;}