/* WhatsApp Floating Button */
.iz-wa {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    text-decoration: none;
    box-shadow: 0 6px 16px rgba(0,0,0,.25);
    transition: transform .2s ease, box-shadow .2s ease;
}

    .iz-wa:hover {
        transform: scale(1.06);
        box-shadow: 0 10px 24px rgba(0,0,0,.35);
        color: #fff;
    }

    .iz-wa::after {
        content: attr(data-tip);
        position: absolute;
        right: 70px;
        top: 50%;
        transform: translateY(-50%);
        background: #111;
        color: #fff;
        font-size: 13px;
        padding: 6px 10px;
        border-radius: 6px;
        opacity: 0;
        visibility: hidden;
        white-space: nowrap;
        pointer-events: none;
        transition: opacity .2s ease, visibility .2s ease;
    }

    .iz-wa:hover::after {
        opacity: 1;
        visibility: visible;
    }

@media (max-width: 768px) {
    .iz-wa::after {
        display: none;
    }
}