/**
 * Mega Menu Styles
 * WCAG 2.1 AA Compliant
 */

/* Container for mega menu panels - positioned relative to header */
.mega-menu-panels {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 9999;
    pointer-events: none;
    background: transparent;
}

/* Header containers need relative positioning */
.site-header .header-inner,
.site-header .header-navbar-inner,
.site-header .header-navbar > .container,
.site-header.header-centered .header-navbar > .container {
    position: relative;
}

/* Individual mega menu panel */
.mega-menu-panel {
    position: relative;
    left: 0;
    right: 0;
    top: 0;
    background: var(--mega-menu-bg, #4a7c59) !important;
    color: var(--mega-menu-text, #ffffff);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border-radius: 0 0 4px 4px;
    pointer-events: none;
}

/* Show mega menu panel */
.mega-menu-panel.is-active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Inner container */
.mega-menu-inner {
    padding: var(--mega-menu-padding, 40px);
}

/* Columns grid */
.mega-menu-columns {
    display: grid;
    gap: var(--mega-menu-column-gap, 40px);
}

.mega-menu-columns.columns-1 { grid-template-columns: 1fr; }
.mega-menu-columns.columns-2 { grid-template-columns: repeat(2, 1fr); }
.mega-menu-columns.columns-3 { grid-template-columns: repeat(3, 1fr); }
.mega-menu-columns.columns-4 { grid-template-columns: repeat(4, 1fr); }
.mega-menu-columns.columns-5 { grid-template-columns: repeat(5, 1fr); }
.mega-menu-columns.columns-6 { grid-template-columns: repeat(6, 1fr); }

/* Column */
.mega-menu-column {
    min-width: 0; /* Prevent grid blowout */
}

/* Column with divider */
.mega-menu-column.has-divider {
    border-left: 1px solid var(--mega-menu-divider, rgba(255,255,255,0.2));
    padding-left: var(--mega-menu-column-gap, 40px);
}

/* Section within a column */
.mega-menu-section {
    margin-bottom: 1.5rem;
}

.mega-menu-section:last-child {
    margin-bottom: 0;
}

/* Column/section title */
.mega-menu-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--mega-menu-title, #ffffff);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--mega-menu-hover, #d4a853);
}

.mega-menu-title a {
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s ease;
}

.mega-menu-title a:hover,
.mega-menu-title a:focus {
    color: var(--mega-menu-hover, #d4a853);
}

.mega-menu-title a:focus {
    outline: 2px solid var(--mega-menu-hover, #d4a853);
    outline-offset: 2px;
}

.mega-title-arrow {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
}

/* Links list */
.mega-menu-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mega-menu-item {
    margin: 0;
}

.mega-menu-item a {
    display: block;
    padding: 0.5rem 0;
    color: var(--mega-menu-text, #ffffff);
    text-decoration: none;
    font-size: 0.938rem;
    line-height: 1.5;
    border-bottom: 1px dotted var(--mega-menu-divider, rgba(255,255,255,0.2));
    transition: color 0.2s ease, padding-left 0.2s ease, text-decoration 0.2s ease;
}

.mega-menu-item a:hover,
.mega-menu-item a:focus {
    color: var(--mega-menu-hover, #d4a853);
    padding-left: 0.5rem;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.mega-menu-item a:focus {
    outline: 2px solid var(--mega-menu-hover, #d4a853);
    outline-offset: 2px;
}

.mega-menu-item a:focus:not(:focus-visible) {
    outline: none;
}

.mega-menu-item a:focus-visible {
    outline: 2px solid var(--mega-menu-hover, #d4a853);
    outline-offset: 2px;
}

.mega-menu-item:last-child a {
    border-bottom: none;
}

/* Arrow indicator on trigger */
.has-mega-menu > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 0.5rem;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform 0.2s ease;
    vertical-align: middle;
}

.has-mega-menu.mega-menu-active > a::after {
    transform: rotate(180deg);
}

/* Screen reader announcer */
#mega-menu-announcer {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .mega-menu-columns.columns-5,
    .mega-menu-columns.columns-6 {
        grid-template-columns: repeat(3, 1fr);
    }

    .mega-menu-columns.columns-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Responsive - Mobile: Hide mega menu */
@media (max-width: 768px) {
    .mega-menu-panels {
        display: none !important;
    }

    .has-mega-menu > a::after {
        display: none;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .mega-menu-panel,
    .mega-menu-item a,
    .mega-menu-title a,
    .has-mega-menu > a::after {
        transition: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .mega-menu-panel {
        border: 2px solid currentColor;
    }

    .mega-menu-item a {
        border-bottom: 1px solid currentColor;
    }

    .mega-menu-item a:focus,
    .mega-menu-title a:focus {
        outline-width: 3px;
    }
}