/* WhatsApp Flutuante */
.whatsapp-button {
    position: fixed;
    bottom: 20px; /* acima do rodapé */
    right: 20px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    text-decoration: none;
    z-index: 1100;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: transform 0.2s ease-in-out;
    opacity: .7;
}

.whatsapp-button:hover {
    transform: scale(1.3);
    opacity: 1;
}