/* 모바일 GNB 아코디언 */
html.gnb-open,
html.gnb-open body {
    overflow: hidden !important;
}

#gnb-drawer nav {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

#gnb-drawer nav::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

.mobile-gnb-panel {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition:
        grid-template-rows 0.35s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.25s ease;
}

.mobile-gnb-panel > div {
    min-height: 0;
    overflow: hidden;
}

.mobile-gnb-item.is-open .mobile-gnb-panel {
    grid-template-rows: 1fr;
    opacity: 1;
}

.mobile-gnb-chevron {
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.mobile-gnb-item.is-open .mobile-gnb-chevron {
    transform: rotate(180deg);
}

@media (prefers-reduced-motion: reduce) {
    .mobile-gnb-panel,
    .mobile-gnb-chevron {
        transition: none;
    }
}