/**
 * Mega Menu Styles
 * 
 * Full-width mega menu dropdown (Grace Church style).
 * Uses ACSS variables where available.
 * 
 * @package Revival
 */

/* ==========================================================================
   Desktop Navigation
   ========================================================================== */

   .site-header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-m, 1.5rem);
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-header__nav-item {
    position: static; /* Important: allows dropdown to position relative to header */
}

.site-header__nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs, 0.25rem);
    padding: var(--space-xs, 0.5rem) 0;
    font-size: var(--text-m, 1rem);
    font-weight: 500;
    color: var(--text-dark, #1a1a1a);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition, 0.2s ease);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus,
.site-header__nav-link[aria-expanded="true"] {
    color: var(--primary, --ultra-dark);
}

.site-header__nav-link--has-dropdown {
    font-family: inherit;
}

.site-header__nav-chevron {
    transition: transform var(--transition, 0.2s ease);
}

.site-header__nav-link[aria-expanded="true"] .site-header__nav-chevron {
    transform: rotate(180deg);
}

/* ==========================================================================
   Mega Menu Dropdown - Full Width
   ========================================================================== */

.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--white, #ffffff);
    box-shadow: 0 40px 40px rgba(0, 0, 0, 0.1);
    border-top: 2px solid var(--neutral-ultra-light);
    border-bottom: 2px solid var(--neutral-ultra-light);
    opacity: 0;
    visibility: hidden;
    transition: 
        opacity 0.2s ease,
        visibility 0.2s ease,
        transform 0.2s ease;
    z-index: 1000;
}

.mega-menu[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu__inner {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-xl, 3rem);
    padding: var(--space-xl, 3rem) 0;
    max-width: var(--content-width, 1200px);
    margin: 0 auto;
    padding-left: var(--space-l, 2rem);
    padding-right: var(--space-l, 2rem);
}

/* No featured content - links take full width */
.mega-menu__inner:not(:has(.mega-menu__featured)) {
    grid-template-columns: 1fr;
}

.mega-menu__inner:not(:has(.mega-menu__featured)) .mega-menu__links {
    grid-template-columns: repeat(4, 1fr);
}

/* ==========================================================================
   Featured Content Card
   ========================================================================== */

.mega-menu__featured {
    display: flex;
}

.mega-menu__featured-card {
    display: flex;
    flex-direction: column;
    width: 100%;
    background: var(--bg-muted, #f5f5f5);
    border-radius: var(--radius-s, 0.375rem);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: 
        box-shadow 0.2s ease,
        transform 0.2s ease;
}

.mega-menu__featured-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.mega-menu__featured-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.mega-menu__featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.mega-menu__featured-card:hover .mega-menu__featured-image img {
    transform: scale(1.05);
}

.mega-menu__featured-content {
    padding: var(--space-m, 1rem);
}

.mega-menu__featured-label {
    display: inline-block;
    font-size: var(--text-xs, 0.75rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary, #2563eb);
    margin-bottom: var(--space-2xs, 0.25rem);
}

.mega-menu__featured-title {
    font-size: var(--text-m, 1rem);
    font-weight: 600;
    margin: 0 0 var(--space-xs, 0.5rem);
    color: var(--text-dark, #1a1a1a);
}

.mega-menu__featured-excerpt {
    font-size: var(--text-s, 0.875rem);
    color: var(--text-muted, #666666);
    margin: 0;
    line-height: 1.5;
}

/* ==========================================================================
   Link Groups
   ========================================================================== */

.mega-menu__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl, 3rem);
}

.mega-menu__link-group {
    display: flex;
    flex-direction: column;
}

.mega-menu__group-header {
    font-size: var(--text-s, 0.875rem);
    font-weight: 600;
    color: var(--text-dark, #1a1a1a);
    margin: 0 0 var(--space-s, 0.75rem);
    padding-bottom: var(--space-xs, 0.5rem);
    border-bottom: 1px solid var(--border-light, #e5e5e5);
}

.mega-menu__group-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs, 0.5rem);
}

.mega-menu__link {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2xs, 0.25rem) 0;
    font-size: var(--text-s, 0.875rem);
    color: var(--text-muted, #666666);
    text-decoration: none;
    transition: color 0.2s ease;
}

.mega-menu__link:hover,
.mega-menu__link:focus {
    color: var(--primary, #2563eb);
}

/* ==========================================================================
   Site Overlay
   ========================================================================== */

.site-header__overlay {
    position: fixed;
    top: var(--header-height, 85px);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: 
        opacity 0.2s ease,
        visibility 0.2s ease;
    z-index: 0;
}

.site-header__overlay[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   Mobile Menu
   ========================================================================== */

.site-header__mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-header__mobile-nav-item {
    border-bottom: 1px solid var(--border-light, #e5e5e5);
}

.site-header__mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-m, 1rem) 0;
    font-size: var(--text-m, 1rem);
    font-weight: 500;
    color: var(--text-dark, #1a1a1a);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}

.site-header__mobile-nav-link:hover,
.site-header__mobile-nav-link:focus {
    color: var(--primary, #2563eb);
}

.site-header__mobile-chevron {
    transition: transform 0.2s ease;
}

.site-header__mobile-nav-link[aria-expanded="true"] .site-header__mobile-chevron {
    transform: rotate(180deg);
}

/* Mobile Submenu (Accordion) */
.site-header__mobile-submenu {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s ease;
    overflow: hidden;
}

.site-header__mobile-submenu[aria-hidden="false"] {
    grid-template-rows: 1fr;
}

.site-header__mobile-submenu > * {
    overflow: hidden;
}

.site-header__mobile-submenu-overview {
    display: flex;
    align-items: center;
    gap: var(--space-xs, 0.5rem);
    padding: var(--space-s, 0.75rem) 0;
    font-size: var(--text-s, 0.875rem);
    font-weight: 600;
    color: var(--primary, #2563eb);
    text-decoration: none;
}

.site-header__mobile-link-group {
    padding: var(--space-s, 0.75rem) 0;
}

.site-header__mobile-link-group:not(:last-child) {
    border-bottom: 1px solid var(--border-light, #e5e5e5);
}

.site-header__mobile-group-header {
    font-size: var(--text-xs, 0.75rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted, #666666);
    margin: 0 0 var(--space-xs, 0.5rem);
}

.site-header__mobile-group-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2xs, 0.25rem);
}

.site-header__mobile-link {
    display: block;
    padding: var(--space-2xs, 0.25rem) 0;
    font-size: var(--text-s, 0.875rem);
    color: var(--text-dark, #1a1a1a);
    text-decoration: none;
}

.site-header__mobile-link:hover,
.site-header__mobile-link:focus {
    color: var(--primary, #2563eb);
}

/* Remove tap highlight on mobile */
.site-header__mobile-menu * {
    -webkit-tap-highlight-color: transparent;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .site-header__nav {
        display: none;
    }
    
    .mega-menu {
        display: none;
    }
}

@media (min-width: 1025px) {
    .site-header__hamburger {
        display: none;
    }
    
    .site-header__mobile-menu {
        display: none;
    }
}