/* WhatsApp FAB - replaces old multi-button FAB */
.whatsapp-fab {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1000;
    display: block;
    width: auto;
    height: 60px;
    border-radius: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-fab:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.whatsapp-fab img {
    display: block;
    height: 100%;
    width: auto;
}

@media (max-width: 768px) {
    .whatsapp-fab {
        right: 16px;
        bottom: 16px;
        height: 56px;
    }
}