/* WhatsApp Button */
 .whatsapp-button {
     position: fixed;
     bottom: 100px;
     right: 30px;
     width: 60px;
     height: 60px;
     background: #25D366;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     color: white;
     font-size: 2rem;
     box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
     text-decoration: none;
     transition: all 0.3s ease;
     z-index: 999;
}
 .whatsapp-button:hover {
     transform: scale(1.1);
     box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
}