@keyframes slideIn {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 25px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    text-decoration: none;
    opacity: 0;
    transition: opacity 0.5s, transform 0.5s;
}

.whatsapp-icon {
    color: white;
    font-size: 40px;
}

@media (max-width: 767px) {
    .whatsapp-button {
        bottom: 30px;
    }
}