#whatsapp-button {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 999;
}

#whatsapp-button a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

#whatsapp-button a:hover {
    background-color: #20BA5A;
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
    transform: scale(1.1);
}

#whatsapp-button a:active {
    transform: scale(0.95);
}

#whatsapp-button svg {
    width: 36px;
    height: 36px;
}

/* Mobile responsive */
@media (max-width: 768px) {
    #whatsapp-button {
        bottom: 20px;
        left: 20px;
    }
    
    #whatsapp-button a {
        width: 55px;
        height: 55px;
    }
    
    #whatsapp-button svg {
        width: 32px;
        height: 32px;
    }
}