.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999; /* Pastikan di atas semua elemen */
    transition: all 0.3s ease;
}

.whatsapp-button a {
    display: block;
    background: #25D366;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.whatsapp-button a:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.whatsapp-button img {
    display: block;
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

/* Responsive untuk tablet */
@media (max-width: 1024px) {
    .whatsapp-button {
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-button img {
        width: 45px;
        height: 45px;
    }
}

/* Responsive untuk handphone */
@media (max-width: 768px) {
    .whatsapp-button {
        bottom: 10px;
        right: 10px;
    }
    
    .whatsapp-button a {
        padding: 8px;
    }
    
    .whatsapp-button img {
        width: 40px;
        height: 40px;
    }
}

/* Untuk layar sangat kecil */
@media (max-width: 480px) {
    .whatsapp-button {
        bottom: 8px;
        right: 8px;
    }
    
    .whatsapp-button img {
        width: 35px;
        height: 35px;
    }
}