/* Mobile: WA/Zalo-Leiste unten */
.devina-sticky-contact {
    display: none;
}
@media (max-width: 767px) {
    .devina-sticky-contact {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 45;
        gap: 0.5rem;
        padding: 0.55rem 0.75rem calc(0.55rem + env(safe-area-inset-bottom, 0px));
        background: #0f172a;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .devina-sticky-contact.is-hidden {
        display: none;
    }
    .devina-sticky-contact a {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 2.65rem;
        border-radius: 0.7rem;
        font-size: 0.85rem;
        font-weight: 700;
        text-decoration: none;
        color: #fff;
    }
    .devina-sticky-contact a.is-wa { background: #16a34a; }
    .devina-sticky-contact a.is-zalo { background: #0068ff; }
    body.has-sticky-contact {
        padding-bottom: 4.75rem;
    }
    .devina-messenger-stack {
        display: none;
    }
}