.whatsapp-button {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #146BFF, #00CCFF);
    color: #FFF;
    border-radius: 50%;
    text-align: center;
    font-size: 28px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
    overflow: visible;
}

.whatsapp-button::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    bottom: -8px;
    right: 12px;
    border-left: 10px solid transparent;
    border-right: 2px solid transparent;
    border-top: 10px solid #00CCFF;
    transform: rotate(15deg);
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.whatsapp-button i {
    position: relative;
    z-index: 2;
}

/* Texto do balão */
.whatsapp-button::after {
    content: 'Fale conosco';
    position: absolute;
    top: -40px;
    right: -20px;
    background: linear-gradient(135deg, #146BFF, #00CCFF);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.whatsapp-button:hover::after {
    opacity: 1;
    transform: translateY(0);
}

/* Animação de pulso */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    }
    
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(20, 107, 255, 0);
    }
    
    100% {
        transform: scale(1);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    }
}

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