body { font-family: Arial; margin:0; }
.header { display:flex; justify-content:space-between; padding:15px; background:black; color:white; }
.menu-icon { font-size:28px; cursor:pointer; }
.mobile-menu { display:none; flex-direction:column; background:black; position:absolute; top:60px; width:100%; }
.mobile-menu a { color:white; padding:10px; text-decoration:none; }
.mobile-menu.active { display:flex; }
.hero { padding:30px; text-align:center; background:#f5f5f5; }
.content { padding:20px; max-width:900px; margin:auto; }
footer { background:black; color:white; text-align:center; padding:20px; }

/* WhatsApp Button */
.whatsapp-btn {
 position: fixed;
 bottom: 20px;
 right: 20px;
 background: #25D366;
 color: white;
 padding: 15px;
 border-radius: 50%;
 text-decoration: none;
 font-size: 20px;
}

.fa {
  margin-left: -12px;
  margin-right: 8px;
}
.slow {
  animation: fa-spin 3s infinite linear;
}