/* WhatsApp Button with Watermark */
.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    background-color: #128c7e;
}

.whatsapp-button i {
    font-size: 28px;
    transition: all 0.3s ease;
}

.whatsapp-button:hover i {
    transform: rotate(360deg);
}

.whatsapp-watermark {
    position: absolute;
    bottom: -25px;
    right: -25px;
    background-color: rgba(0,0,0,0.7);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.whatsapp-button:hover .whatsapp-watermark {
    opacity: 1;
    bottom: -20px;
    right: -20px;
}