.gx-main-nav .gx-main-nav-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.gx-main-nav .gx-main-nav-list > li {
    position: relative;
}

.gx-main-nav .gx-menu-link,
.gx-main-nav .gx-menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 0.8rem;
    border: 0;
    background: transparent;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    font: inherit;
    transition: background 0.1s ease;
}

.gx-main-nav .gx-menu-link:hover,
.gx-main-nav .gx-menu-toggle:hover {
    background: rgba(0, 0, 0, 0.04);
}

/* Icon span: prevent collapsing in flex context */
.gx-main-nav .gx-menu-icon {
    line-height: 1;
    flex-shrink: 0;
}

/* Chevron on top-level toggle buttons (desktop only) */
.gx-main-nav .gx-main-nav-list > li > .gx-menu-toggle::after {
    content: "\25BE";
    font-size: 0.7em;
    margin-inline-start: 0.2rem;
    transition: transform 0.15s ease;
    flex-shrink: 0;
}

.gx-main-nav .gx-main-nav-list > li > .gx-menu-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.gx-main-nav .gx-menu-badge {
    font-size: 0.7rem;
    line-height: 1;
    padding: 0.2rem 0.4rem;
    border-radius: 999px;
    background: #dfe9dd;
}

.gx-main-nav .gx-dropdown-shell,
.gx-main-nav .gx-mega-shell {
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 0;
    min-width: 14rem;
    z-index: 30;
    /* Limit repaint scope to the panel itself */
    contain: layout style;
}

/* Flip panel to right-aligned when it would overflow the right viewport edge */
.gx-main-nav .gx-dropdown-shell.gx-panel--flip,
.gx-main-nav .gx-mega-shell.gx-panel--flip {
    left: auto;
    right: 0;
}

.gx-main-nav .gx-mega-shell {
    min-width: min(72rem, 92vw);
}

/* ─── Mega panel: unified visual container ─── */

.gx-main-nav .gx-mega-panel {
    background: #fff;
    border: 1px solid #d7ddd5;
    border-radius: 0.7rem;
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.09);
    overflow: hidden;
}

/* Cancel the sub-menu border/shadow inside mega panels — the panel provides it */
.gx-main-nav .gx-mega-panel > .gx-mega-panel__list {
    border: 0;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
}

.gx-main-nav .sub-menu {
    list-style: none;
    margin: 0;
    padding: 0.5rem;
    border: 1px solid #d7ddd5;
    background: #ffffff;
    border-radius: 0.6rem;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.gx-main-nav .sub-menu li {
    list-style: none;
}

.gx-main-nav .sub-menu a {
    display: block;
    padding: 0.4rem 0.6rem;
    border-radius: 0.4rem;
    text-decoration: none;
    color: inherit;
    transition: background 0.1s ease;
}

.gx-main-nav .sub-menu a:hover {
    background: #eef4eb;
}

.gx-main-nav .gx-mega-panel__list {
    display: grid;
    grid-template-columns: repeat(var(--gx-mega-columns, 4), minmax(0, 1fr));
    gap: 0.5rem;
    padding: 1rem;
}

.gx-main-nav .gx-mega-panel__list > li > a,
.gx-main-nav .gx-mega-panel__list > li > button {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    width: 100%;
    padding: 0.5rem 0.6rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background 0.1s ease;
}

.gx-main-nav .gx-mega-panel__list > li > a:hover,
.gx-main-nav .gx-mega-panel__list > li > button:hover {
    background: #eef4eb;
}

.gx-main-nav .gx-mega-extra {
    border-top: 1px solid #e4e9e0;
    padding: 0.9rem 1rem 1rem;
    background: #fbfcfa;
}

.gx-main-nav .gx-mega-preset {
    border-top: 1px solid #e4e9e0;
    padding: 0.9rem 1rem 1rem;
    background: #f8faf7;
}

.gx-main-nav .gx-mega-preset-title {
    margin: 0 0 0.55rem;
    font-size: 0.94rem;
}

.gx-main-nav .gx-mega-preset-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.35rem;
}

.gx-main-nav .gx-mega-preset-list a {
    text-decoration: none;
}

.gx-main-nav .gx-mega-preset-list a:hover {
    text-decoration: underline;
    color: #183f2f;
}

.gx-main-nav .gx-mega-pill-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.gx-main-nav .gx-mega-pill {
    text-decoration: none;
    border: 1px solid #d7e0d5;
    border-radius: 999px;
    padding: 0.3rem 0.62rem;
    font-size: 0.82rem;
    background: #fff;
    transition: background 0.12s ease, border-color 0.12s ease;
}

.gx-main-nav .gx-mega-pill:hover {
    background: #eef4eb;
    border-color: #a8c4a0;
}

.gx-main-nav .gx-mega-route-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
}

.gx-main-nav .gx-mega-route-card {
    border: 1px solid #e1e7de;
    border-radius: 0.55rem;
    overflow: hidden;
    background: #fff;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.gx-main-nav .gx-mega-route-card:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.gx-main-nav .gx-mega-route-card__media {
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.gx-main-nav .gx-mega-route-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gx-main-nav .gx-mega-route-card__title {
    margin: 0;
    padding: 0.5rem 0.6rem;
    font-size: 0.85rem;
}

.gx-main-nav .gx-mega-agenda-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.38rem;
}

.gx-main-nav .gx-mega-agenda-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem;
    align-items: baseline;
}

.gx-main-nav .gx-mega-agenda-item__date {
    font-size: 0.78rem;
    color: #5f6c62;
}

.gx-main-nav .gx-mega-agenda-item__link {
    text-decoration: none;
    transition: color 0.1s ease;
}

.gx-main-nav .gx-mega-agenda-item__link:hover {
    color: #183f2f;
    text-decoration: underline;
}

.gx-main-nav .gx-mega-featured {
    display: grid;
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: 0.9rem;
}

.gx-main-nav .gx-mega-featured__media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 0.55rem;
}

.gx-main-nav .gx-mega-featured__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gx-main-nav .gx-mega-featured__title {
    margin: 0 0 0.35rem;
    font-size: 1rem;
}

.gx-main-nav .gx-mega-featured__description {
    margin: 0 0 0.55rem;
    color: #3f4a43;
}

.gx-main-nav .gx-mega-featured__link,
.gx-main-nav .gx-mega-cta__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    text-decoration: none;
    background: #183f2f;
    color: #fff;
    transition: background 0.12s ease;
}

.gx-main-nav .gx-mega-featured__link:hover,
.gx-main-nav .gx-mega-cta__button:hover {
    background: #0d2e20;
}

.gx-main-nav .gx-mega-cta__description {
    margin: 0 0 0.5rem;
}

.gx-main-nav .gx-mega-image-text {
    display: grid;
    grid-template-columns: minmax(0, 160px) minmax(0, 1fr);
    gap: 0.8rem;
    align-items: start;
}

.gx-main-nav .gx-mega-image-text__media {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 0.5rem;
    align-self: start;
}

.gx-main-nav .gx-mega-image-text__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gx-main-nav .gx-mega-cards__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.7rem;
}

.gx-main-nav .gx-mega-card {
    border: 1px solid #e1e7de;
    border-radius: 0.6rem;
    overflow: hidden;
    background: #fff;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.gx-main-nav .gx-mega-card:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.gx-main-nav .gx-mega-card__media {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.gx-main-nav .gx-mega-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gx-main-nav .gx-mega-card__body {
    padding: 0.55rem 0.65rem;
}

.gx-main-nav .gx-mega-card__title {
    margin: 0;
    font-size: 0.92rem;
}

.gx-main-nav .gx-mega-dynamic__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.4rem;
}

.gx-main-nav .gx-mega-dynamic__item a {
    display: block;
    text-decoration: none;
    padding: 0.45rem 0.55rem;
    border-radius: 0.45rem;
    background: #fff;
    transition: background 0.12s ease;
}

.gx-main-nav .gx-mega-dynamic__item a:hover {
    background: #eef4eb;
}

.gx-main-nav .gx-mega-dynamic__date {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.78rem;
    color: #5f6c62;
}

.gx-main-nav li[data-mega-layout="icon-links"] .gx-mega-panel__list > li > a {
    gap: 0.6rem;
}

.gx-main-nav li[data-mega-layout="icon-links"] .gx-mega-panel__list > li > a::before {
    content: "\2022";
    color: #2d6a4f;
    font-weight: 700;
}

.gx-main-nav li[data-highlight-style="subtle"] > .gx-menu-link,
.gx-main-nav li[data-highlight-style="subtle"] > .gx-menu-toggle {
    background: #eef4eb;
    border-radius: 999px;
}

.gx-main-nav li[data-highlight-style="strong"] > .gx-menu-link,
.gx-main-nav li[data-highlight-style="strong"] > .gx-menu-toggle {
    background: #183f2f;
    color: #fff;
    border-radius: 999px;
}

.gx-main-nav li[data-mega-columns="1"] .gx-mega-panel__list {
    --gx-mega-columns: 1;
}

.gx-main-nav li[data-mega-columns="2"] .gx-mega-panel__list {
    --gx-mega-columns: 2;
}

.gx-main-nav li[data-mega-columns="3"] .gx-mega-panel__list {
    --gx-mega-columns: 3;
}

.gx-main-nav li[data-mega-columns="4"] .gx-mega-panel__list {
    --gx-mega-columns: 4;
}

.gx-main-nav li[data-mega-columns="5"] .gx-mega-panel__list {
    --gx-mega-columns: 5;
}

.gx-main-nav li[data-mega-columns="6"] .gx-mega-panel__list {
    --gx-mega-columns: 6;
}

.gx-main-nav .gx-menu-toggle:focus-visible,
.gx-main-nav .gx-menu-link:focus-visible {
    outline: 2px solid #0b6bcb;
    outline-offset: 2px;
}

/* Focus-visible for items inside panels */
.gx-main-nav .gx-dropdown-shell a:focus-visible,
.gx-main-nav .gx-mega-shell a:focus-visible,
.gx-main-nav .gx-mega-shell button:focus-visible {
    outline: 2px solid #0b6bcb;
    outline-offset: 2px;
    border-radius: 0.3rem;
}

/* ─── Panel open/close animation ─── */

@keyframes gx-panel-in {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gx-main-nav .gx-dropdown-shell:not([hidden]),
.gx-main-nav .gx-mega-shell:not([hidden]) {
    animation: gx-panel-in 0.15s ease both;
    will-change: transform, opacity;
}

/* ─── Accessibility: reduced motion ─── */

@media (prefers-reduced-motion: reduce) {
    .gx-main-nav .gx-dropdown-shell:not([hidden]),
    .gx-main-nav .gx-mega-shell:not([hidden]) {
        animation: none;
        will-change: auto;
    }

    .gx-main-nav .gx-menu-link,
    .gx-main-nav .gx-menu-toggle,
    .gx-main-nav .gx-main-nav-list > li > .gx-menu-toggle::after,
    .gx-main-nav .sub-menu a,
    .gx-main-nav .gx-mega-panel__list > li > a,
    .gx-main-nav .gx-mega-panel__list > li > button,
    .gx-main-nav .gx-mega-agenda-item__link,
    .gx-main-nav .gx-mega-card,
    .gx-main-nav .gx-mega-route-card,
    .gx-main-nav .gx-mega-pill,
    .gx-main-nav .gx-mega-featured__link,
    .gx-main-nav .gx-mega-cta__button,
    .gx-main-nav .gx-mega-dynamic__item a {
        transition: none;
    }

    .gx-main-nav .gx-main-nav-list > li > .gx-menu-toggle::after {
        transition: none;
    }

    .gx-main-nav .gx-mega-card:hover,
    .gx-main-nav .gx-mega-route-card:hover {
        transform: none;
    }
}

/* ─── Accessibility: forced-colors (Windows High Contrast) ─── */

@media (forced-colors: active) {
    .gx-main-nav .gx-menu-toggle,
    .gx-main-nav .gx-menu-link {
        forced-color-adjust: auto;
        border: 1px solid ButtonText;
        border-color: transparent;
    }

    .gx-main-nav .gx-dropdown-shell,
    .gx-main-nav .gx-mega-shell {
        border: 1px solid ButtonText;
        background: Canvas;
    }

    .gx-main-nav .gx-menu-badge {
        border: 1px solid ButtonText;
        background: Highlight;
        color: HighlightText;
    }

    .gx-main-nav .gx-mega-featured__link,
    .gx-main-nav .gx-mega-cta__button {
        background: ButtonFace;
        color: ButtonText;
        border: 1px solid ButtonText;
    }

    .gx-main-nav .gx-mega-pill {
        border: 1px solid ButtonText;
    }

    .gx-main-nav li[data-highlight-style="strong"] > .gx-menu-toggle,
    .gx-main-nav li[data-highlight-style="strong"] > .gx-menu-link {
        background: Highlight;
        color: HighlightText;
        border: 1px solid ButtonText;
    }
}

.gx-main-nav .gx-hide-mobile {
    display: list-item;
}

@media (max-width: 1199px) {
    .gx-main-nav .gx-mega-shell {
        min-width: min(56rem, 94vw);
    }

    /* Prevent mega panel taller than the viewport on tablet */
    .gx-main-nav .gx-mega-panel {
        max-height: calc(80vh - 4rem);
        overflow-y: auto;
    }

    .gx-main-nav .gx-mega-cards__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gx-main-nav .gx-mega-route-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gx-main-nav .gx-mega-featured__title {
        font-size: 0.93rem;
    }

    .gx-main-nav .gx-mega-card__title {
        font-size: 0.88rem;
    }
}

@media (max-width: 767px) {
    .gx-main-nav .gx-main-nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .gx-main-nav .gx-dropdown-shell,
    .gx-main-nav .gx-mega-shell {
        position: static;
        min-width: 0;
        margin-bottom: 0.35rem;
        box-shadow: none;
    }

    .gx-main-nav .gx-mega-panel__list {
        grid-template-columns: 1fr;
    }

    .gx-main-nav .gx-mega-featured,
    .gx-main-nav .gx-mega-image-text,
    .gx-main-nav .gx-mega-cards__grid,
    .gx-main-nav .gx-mega-route-cards {
        grid-template-columns: 1fr;
    }

    .gx-main-nav .gx-menu-toggle {
        width: 100%;
        justify-content: space-between;
    }

    .gx-main-nav .gx-menu-toggle::after {
        content: "+";
        font-weight: 700;
    }

    .gx-main-nav .gx-menu-toggle[aria-expanded="true"]::after {
        content: "\2212";
    }

    .gx-main-nav .gx-hide-mobile {
        display: none;
    }

    .gx-main-nav .gx-mega-featured__title {
        font-size: 0.87rem;
    }

    .gx-main-nav .gx-mega-card__title {
        font-size: 0.83rem;
    }

    .gx-main-nav .gx-mega-route-card__title {
        font-size: 0.8rem;
    }

    .gx-main-nav .gx-mega-card__media,
    .gx-main-nav .gx-mega-route-card__media {
        max-height: 10rem;
    }
}