.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: Arial, sans-serif;
    font-weight: bold;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    animation: pulse 2s infinite;
}

.whatsapp-float i {
    font-size: 24px;
}

.whatsapp-text {
    font-size: 14px;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.05);
}

/* Efeito pulsante */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Efeito radar */
.whatsapp-float::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 50px;
    background-color: #25D366;
    transform: translate(-50%, -50%) scale(1);
    z-index: -1;
    animation: radar 1.5s infinite;
}

@keyframes radar {
    0% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.3);
    }
}

/* Responsivo */
@media (max-width: 768px) {
    .whatsapp-float {
        padding: 8px 15px;
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-text {
        font-size: 12px;
    }
    
    .whatsapp-float i {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-float {
        padding: 12px;
        border-radius: 50%;
        width: 55px;
        height: 55px;
        justify-content: center;
    }
    
    .whatsapp-float::before {
        border-radius: 50%;
    }
}