.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 130px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.whatsapp-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    box-shadow: 0 12px 30px rgba(18, 140, 126, 0.35);
    transition: all 0.25s ease;
    animation: whatsappPulse 2s infinite;
}

.whatsapp-tooltip {
    background: #ffffff;
    color: #1f2937;
    padding: 10px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.12);
    opacity: 0;
    transform: translateX(10px);
    pointer-events: none;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.whatsapp-float:hover .whatsapp-icon {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 16px 34px rgba(18, 140, 126, 0.42);
}

@keyframes whatsappPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45), 0 12px 30px rgba(18, 140, 126, 0.35);
    }

    70% {
        box-shadow: 0 0 0 18px rgba(37, 211, 102, 0), 0 12px 30px rgba(18, 140, 126, 0.35);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), 0 12px 30px rgba(18, 140, 126, 0.35);
    }
}

@media (max-width: 768px) {
    .whatsapp-float {
        right: 16px;
        bottom: 20px;
    }

    .whatsapp-icon {
        width: 58px;
        height: 58px;
        font-size: 27px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}