/* Botão flutuante de WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    text-decoration: none;
    border: 3px solid white;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    background: #128C7E;
}

.whatsapp-float i {
    color: white;
    font-size: 28px;
}

.whatsapp-float .tooltip-text {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.whatsapp-float .tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 20px;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}

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

/* Animação de pulso sutil */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

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

/* Responsivo */
@media (max-width: 768px) {
    .whatsapp-float {
        display: none;
    }
}