/* =========================================
   ACME MEGA MENU — Responsive
   ========================================= */

@media (max-width: 991px) {

    /* Hamburger */
    .mobile-toggle {
        display: flex;
    }

    .mobile-toggle.active .hamburger-line:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .mobile-toggle.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }

    .mobile-toggle.active .hamburger-line:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Mobile nav overlay */
    .site-nav {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: #FFFFFF;
        height: calc(100vh - 80px);
        overflow-y: auto;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--acme-speed, 300ms) ease;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    .site-nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* Nav list vertical */
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-item {
        width: 100%;
        border-bottom: 1px solid #F8F9FA;
    }

    /* Nav link — larger tap target */
    .nav-link {
        padding: 16px 0;
        font-size: 18px;
    }

    /* Remove desktop underline */
    .nav-link::after {
        display: none;
    }

    /* Mega parent: show +/- indicator */
    .has-mega-menu > .nav-link {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .has-mega-menu > .nav-link::after {
        content: '+';
        font-size: 22px;
        color: var(--acme-primary, #E50914);
        position: static;
        width: auto;
        height: auto;
        background: none;
    }

    .has-mega-menu.open > .nav-link::after {
        content: '-';
    }

    /* Mega menu — relative positioning, hidden by default */
    .mega-menu {
        position: relative;
        top: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        border: none;
        border-radius: 0;
    }

    /* Override desktop hover — don't show mega on hover on mobile */
    .has-mega-menu:hover .mega-menu {
        display: none;
    }

    .has-mega-menu.open .mega-menu {
        display: block;
    }

    /* Mega inner — stack vertically */
    .mega-menu-inner {
        flex-direction: column;
        padding: 10px 0 20px 12px;
        gap: 20px;
    }

    /* Sidebar — horizontal scrollable tabs */
    .mega-sidebar {
        width: 100%;
        border-right: none;
        padding-right: 0;
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
        gap: 6px;
    }

    .mega-tab {
        white-space: nowrap;
        padding: 10px 16px;
        font-size: 14px;
    }

    /* Content — full width */
    .mega-content {
        width: 100%;
    }

    .pane-layout {
        flex-direction: column;
    }

    /* Grid — single column on mobile */
    .service-grid {
        grid-template-columns: 1fr;
        width: 100%;
    }

    /* L3 sub-links — always visible on mobile */
    .service-sub-grid {
        display: block;
    }

    /* Hide image preview on mobile */
    .mega-image-preview {
        display: none;
    }

    /* Regular dropdown — full width */
    .sub-menu {
        position: relative;
        top: 0;
        width: 100%;
        box-shadow: none;
        border-radius: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
    }
}

@media (max-width: 480px) {
    .mega-menu-inner {
        padding: 10px 0 16px 8px;
    }

    .mega-tab {
        padding: 8px 12px;
        font-size: 13px;
    }

    .service-grid a {
        padding: 10px 12px;
        font-size: 14px;
    }
}