/* WhatsApp Floating Button */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
    font-size: 0;
}

.whatsapp-button:hover {
    background-color: #1fbd50;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.whatsapp-button:active {
    transform: scale(0.95);
}

.whatsapp-button svg {
    width: 32px;
    height: 32px;
    fill: white;
}

/* Tooltip */
.whatsapp-tooltip {
    position: absolute;
    bottom: 80px;
    right: 0;
    background-color: #25D366;
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 15px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #25D366;
}

.whatsapp-button:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    bottom: 75px;
}

/* Mobile */
@media (max-width: 768px) {
    .whatsapp-button {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }

    .whatsapp-button svg {
        width: 28px;
        height: 28px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}

/* Accessibility */
.whatsapp-button:focus {
    outline: 2px solid #1fbd50;
    outline-offset: 2px;
}

/* Pulse Animation */
@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6);
    }
    100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
}

.whatsapp-button.pulse {
    animation: whatsapp-pulse 2s infinite;
}