.whatsapp-btn {
    position: fixed;
    right: 20px;
    bottom: 20px;
    background-color: #25D366;
    color: white;
    font-size: 24px;
    padding: 15px;
    border-radius: 50%;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, background-color 0.3s ease;
    z-index: 1000;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    background-color: #1ebe57;
}

/* Tooltip for WhatsApp Button */
.whatsapp-btn .tooltip {
    visibility: hidden;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding: 5px 10px;
    border-radius: 5px;
    position: absolute;
    right: 50px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.whatsapp-btn:hover .tooltip {
    visibility: visible;
    opacity: 1;
}