.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}

.whatsapp-float:active {
    transform: scale(0.96);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: #ffffff;
}

.whatsapp-float-label {
    position: absolute;
    right: 72px;
    top: 50%;
    transform: translateY(-50%);
    background: #1a1a1a;
    color: #ffffff;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.whatsapp-float-label::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border-style: solid;
    border-width: 6px 0 6px 8px;
    border-color: transparent transparent transparent #1a1a1a;
}

.whatsapp-float:hover .whatsapp-float-label {
    opacity: 1;
}

@keyframes whatsapp-pulse {
    0%, 100% {
        box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4),
                    0 0 0 0 rgba(37, 211, 102, 0.6);
    }
    50% {
        box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4),
                    0 0 0 14px rgba(37, 211, 102, 0);
    }
}

@media (max-width: 600px) {
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 54px;
        height: 54px;
    }

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

    .whatsapp-float-label {
        display: none;
    }
}