/**
 * Shared desktop mega menus, flyouts, and arrow-scroll overflow.
 * Uses template design tokens (accent / surface / text).
 *
 * Panels may be portaled to document.body in scroll mode
 * (.submenu.is-nav-submenu-pinned). Visual rules must apply both
 * in-tree under .nav-links and on the pinned node itself.
 */

/* ---- Horizontal scroll overflow ---- */
.nav-scroll-shell {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    min-width: 0;
    flex: 1 1 auto;
    max-width: 100%;
    overflow: visible;
    position: relative;
    z-index: 30;
}

.nav-scroll-viewport {
    /* Clip link labels so they don't paint over arrows/CTA. Open
       submenus are portaled to document.body in nav-overflow.js. */
    overflow: hidden;
    min-width: 0;
    flex: 1 1 auto;
    position: relative;
}

.nav-scroll-viewport .nav-links {
    flex-wrap: nowrap;
}

.nav-scroll-viewport .nav-links > li.is-nav-offscreen {
    visibility: hidden;
    pointer-events: none;
}

.nav-scroll-btn {
    flex: 0 0 auto;
    display: none;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 1px solid color-mix(in srgb, var(--border-color, #666) 55%, transparent);
    border-radius: 6px;
    background: color-mix(in srgb, var(--surface-bg-nav, var(--nav-background, #1e293b)) 92%, transparent);
    color: var(--text-subheadline, var(--color-hero_text_light, #fff));
    cursor: pointer;
    line-height: 1;
    font-size: 1.1rem;
    position: relative;
    z-index: 2;
}

.nav-scroll-btn:hover:not(:disabled) {
    color: var(--accent, var(--color-accent, #0d9488));
    border-color: var(--accent, var(--color-accent, #0d9488));
}

.nav-scroll-btn:disabled,
.nav-scroll-btn.is-disabled {
    opacity: 0.35;
    cursor: default;
}

.nav-scroll-shell.is-overflowing .nav-scroll-btn {
    display: inline-flex;
}

html.nav-layout-mobile .nav-scroll-shell {
    display: contents;
}

html.nav-layout-mobile .nav-scroll-viewport {
    overflow: visible;
    flex: none;
    max-width: none;
}

html.nav-layout-mobile .nav-scroll-viewport .nav-links > li.is-nav-offscreen {
    visibility: visible;
    pointer-events: auto;
}

html.nav-layout-mobile .nav-scroll-btn {
    display: none !important;
}

/* ---- Base dropdown / flyout panel (in-tree + portaled) ---- */
.nav-links .submenu,
.submenu.is-nav-submenu-pinned {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 12rem;
    margin: 0;
    padding: 0.4rem 0;
    list-style: none;
    background: var(--bg-secondary, var(--surface-bg-nav, #1e293b));
    border: 1px solid color-mix(in srgb, var(--border-color, #666) 55%, transparent);
    border-radius: 8px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    z-index: 100;
}

.nav-links .submenu li,
.submenu.is-nav-submenu-pinned li {
    display: block;
    position: relative;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links .submenu a,
.submenu.is-nav-submenu-pinned a {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.55rem 0.9rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.3;
    box-sizing: border-box;
    color: var(--text-subheadline, var(--color-hero_text_light, #fff));
    text-decoration: none;
    white-space: nowrap;
    border: 0;
    background: transparent;
}

.nav-links .submenu a:hover,
.nav-links .submenu a.active,
.submenu.is-nav-submenu-pinned a:hover,
.submenu.is-nav-submenu-pinned a.active {
    color: var(--accent, var(--color-accent, #0d9488));
}

.nav-links .submenu .nav-caret,
.submenu.is-nav-submenu-pinned .nav-caret {
    margin-left: auto;
    transform: rotate(-90deg);
    flex-shrink: 0;
}

/* Nested flyouts */
.nav-links .submenu .submenu,
.submenu.is-nav-submenu-pinned .submenu {
    top: 0;
    left: calc(100% + 0.2rem);
    right: auto;
}

.nav-links .submenu.submenu--left,
.submenu.is-nav-submenu-pinned.submenu--left {
    left: auto;
    right: 0;
}

.nav-links .submenu .submenu.submenu--left,
.submenu.is-nav-submenu-pinned .submenu.submenu--left {
    left: auto;
    right: calc(100% + 0.2rem);
}

.nav-links .submenu.submenu--right,
.nav-links .submenu .submenu.submenu--right,
.submenu.is-nav-submenu-pinned.submenu--right,
.submenu.is-nav-submenu-pinned .submenu.submenu--right {
    left: calc(100% + 0.2rem);
    right: auto;
}

.nav-links .submenu .submenu:not(.submenu--left),
.submenu.is-nav-submenu-pinned .submenu:not(.submenu--left) {
    left: calc(100% + 0.2rem);
    right: auto;
}

/* Desktop open states (in-tree) */
html:not(.nav-layout-mobile) .nav-links li.has-submenu:hover > .submenu,
html:not(.nav-layout-mobile) .nav-links li.has-submenu:focus-within > .submenu {
    display: block;
}

/* Nested open inside a portaled panel */
.submenu.is-nav-submenu-pinned li.has-submenu:hover > .submenu,
.submenu.is-nav-submenu-pinned li.has-submenu:focus-within > .submenu {
    display: block;
}

/* Keep top-level triggers easy to hover into their panels */
html:not(.nav-layout-mobile) .nav-links > li.has-submenu {
    padding-bottom: 0;
}

html:not(.nav-layout-mobile) .nav-links > li.has-submenu > a {
    position: relative;
    z-index: 1;
}

/* Invisible hit strip under the trigger */
html:not(.nav-layout-mobile) .nav-links > li.has-submenu::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 0.85rem;
    z-index: 101;
}

/* Panel-side hover bridge (in-tree top-level + portaled) */
html:not(.nav-layout-mobile) .nav-links > li.has-submenu > .submenu::before,
.submenu.is-nav-submenu-pinned::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: -0.85rem;
    height: 0.85rem;
}

/* ---- Mega panels ---- */
html:not(.nav-layout-mobile) .nav-links > li.has-submenu .submenu--mega,
.submenu--mega.is-nav-submenu-pinned {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: auto;
    min-width: min(28rem, 92vw);
    width: max-content;
    max-width: min(56rem, calc(100vw - 2rem));
    margin: 0;
    padding: 0;
    list-style: none;
    background: var(--bg-secondary, var(--surface-bg-nav, #1e293b));
    border: 1px solid color-mix(in srgb, var(--border-color, #666) 45%, transparent);
    border-radius: 10px;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
    z-index: 110;
}

html:not(.nav-layout-mobile) .nav-links > li.has-submenu.submenu-style-mega:hover > .submenu--mega,
html:not(.nav-layout-mobile) .nav-links > li.has-submenu.submenu-style-mega:focus-within > .submenu--mega,
html:not(.nav-layout-mobile) .nav-links > li.has-submenu.submenu-style-mega-catalogue:hover > .submenu--mega,
html:not(.nav-layout-mobile) .nav-links > li.has-submenu.submenu-style-mega-catalogue:focus-within > .submenu--mega {
    display: block;
}

/* Hide mobile fallback list on desktop for mega items */
html:not(.nav-layout-mobile) .nav-links > li.has-submenu .submenu--mobile-fallback {
    display: none !important;
}

html:not(.nav-layout-mobile) .nav-links > li.has-submenu.submenu-style-mega > .submenu:not(.submenu--mega):not(.submenu--mobile-fallback),
html:not(.nav-layout-mobile) .nav-links > li.has-submenu.submenu-style-mega-catalogue > .submenu:not(.submenu--mega):not(.submenu--mobile-fallback) {
    display: none !important;
}

/* Scroll mode: panels portaled to body */
.submenu.is-nav-submenu-pinned {
    position: fixed !important;
    right: auto !important;
    margin: 0 !important;
    display: block !important;
    z-index: 10050 !important;
}

.submenu--mega.is-nav-submenu-pinned {
    padding: 0 !important;
}

.nav-mega-wrap {
    padding: 1rem 1.15rem 1.15rem;
}

.nav-mega-inner {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
    gap: 1rem 1.25rem;
    align-items: start;
}

.nav-mega-column {
    min-width: 0;
}

.nav-mega-title {
    margin-bottom: 0.45rem;
}

.nav-mega-title a {
    font-weight: 700;
    color: var(--text-headline, var(--color-hero_text_light, #fff));
    text-decoration: none;
    white-space: normal;
    padding: 0;
    border: 0;
}

.nav-mega-title a:hover,
.nav-mega-title a.active {
    color: var(--accent, var(--color-accent, #0d9488));
}

.nav-mega-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-mega-links a {
    display: block;
    padding: 0.35rem 0;
    color: var(--text-subheadline, rgba(255, 255, 255, 0.85));
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    white-space: normal;
    border: 0;
}

.nav-mega-links a:hover,
.nav-mega-links a.active {
    color: var(--accent, var(--color-accent, #0d9488));
}

.submenu--mega-catalogue .nav-mega-inner {
    grid-template-columns: minmax(0, 1fr) minmax(14rem, 18rem);
}

.submenu--mega-catalogue .nav-mega-catalogue {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.nav-mega-card {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    text-decoration: none;
    color: #fff;
    min-height: 7.5rem;
    background: #0f172a;
}

.nav-mega-card--text-only {
    display: flex;
    align-items: flex-end;
    min-height: 4.5rem;
    padding: 0;
    background: color-mix(in srgb, var(--bg-secondary, #0f172a) 70%, #000);
}

.nav-mega-card--text-only .nav-mega-card-label {
    position: static;
    width: 100%;
    background: transparent;
    padding: 0.85rem 0.9rem;
}

.nav-mega-card-media {
    display: block;
    position: absolute;
    inset: 0;
}

.nav-mega-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.nav-mega-card-label {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.55rem 0.7rem;
    font-weight: 700;
    font-size: 0.9rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.72));
}

.nav-mega-card:hover .nav-mega-card-label {
    color: var(--accent, #5eead4);
}

/* When only cards (no columns), full width catalogue grid */
.submenu--mega-catalogue .nav-mega-inner:not(:has(.nav-mega-column)) {
    grid-template-columns: 1fr;
}

.submenu--mega-catalogue .nav-mega-inner:not(:has(.nav-mega-column)) .nav-mega-catalogue {
    grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
}

/* ---- Mobile: hide mega panel, use fallback list ---- */
html.nav-layout-mobile .nav-links > li.has-submenu .submenu--mega {
    display: none !important;
}

html.nav-layout-mobile .nav-links > li.has-submenu .submenu--mobile-fallback {
    display: none;
    position: static;
    background: transparent;
    box-shadow: none;
    border: 0;
    min-width: 0;
    padding: 0 0 0 0.75rem;
}

html.nav-layout-mobile .nav-links > li.has-submenu.is-open > .submenu--mobile-fallback,
html.nav-layout-mobile .nav-links > li.has-submenu:focus-within > .submenu--mobile-fallback {
    display: block;
}

html.nav-layout-mobile .nav-links .submenu {
    position: static;
    display: none;
    border: 0;
    box-shadow: none;
    border-radius: 0;
    background: transparent;
    min-width: 0;
    margin: 0;
    padding: 0 0 0 0.75rem;
}

html.nav-layout-mobile .nav-links li.has-submenu.is-open > .submenu,
html.nav-layout-mobile .nav-links li.has-submenu:focus-within > .submenu {
    display: block;
}

html.nav-layout-mobile .nav-links .submenu .submenu {
    left: 0;
    padding-left: 0.75rem;
}

html.nav-layout-mobile .nav-links .submenu .nav-caret {
    transform: none;
    margin-left: 0.35rem;
}

html.nav-layout-mobile .nav-links .submenu a {
    white-space: normal;
}