.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    transition: all 0.3s ease;
}

.whatsapp-button:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
    visibility: visible;
}

.whatsapp-icon {
    background: #25D366;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.whatsapp-icon:hover {
    transform: scale(1.1);
}

.whatsapp-icon i {
    font-size: 32px;
    color: white;
}

.whatsapp-tooltip {
    position: absolute;
    right: 75px;
    bottom: 5px;
    background: white;
    padding: 10px 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 8px solid white;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

@media (max-width: 768px) {
    .whatsapp-button {
        bottom: 15px;
        right: 15px;
    }

    .whatsapp-icon {
        width: 50px;
        height: 50px;
    }

    .whatsapp-icon i {
        font-size: 28px;
    }
}