.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    z-index: 9999;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    transform: translateY(-2px);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background-color: #25d366;
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
    100% { transform: scale(1.2); opacity: 0; }
}

.whatsapp-float .tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.whatsapp-float .tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent #333;
}

.whatsapp-float:hover .tooltip {
    opacity: 1;
    visibility: visible;
}