body{font-family:'Segoe UI',sans-serif;background:#f8f9fa;}
.navbar-brand{font-weight:700;color:#0d6efd!important;}
.hero{background:linear-gradient(135deg,#0d6efd,#6610f2);color:white;padding:90px 20px;text-align:center;}
.section-title{font-weight:700;margin-bottom:25px;}
.footer{background:#111;color:#ccc;text-align:center;padding:20px;}
.card{border-radius:15px;}
.whatsapp-btn{position:fixed;bottom:20px;right:20px;background:#25D366;color:white;padding:12px 18px;border-radius:50px;font-weight:bold;text-decoration:none;}