/**
 * Mega Menu Styles
 *
 * Uses ONLY CSS variables from input.css.
 * No hardcoded color values except rgba() transparents.
 *
 * @package Custom_Theme
 * @since 1.0.0
 */

/* ==========================================================================
   A. Header
   ========================================================================== */

.header-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 9999;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    background: transparent;
}

.header-main.scrolled,
body.mega-open .header-main {
    background: var(--bg);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    gap: 32px;
    height: 80px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 99999;
    padding: 12px 24px;
    background: var(--fg-brand);
    color: var(--bg);
    font-family: var(--font-main);
    font-size: 14px;
    text-decoration: none;
}

.skip-link:focus {
    left: 50%;
    transform: translateX(-50%);
}

/* Logo */
.site-logo {
    font-family: var(--font-main);
    font-size: 22px;
    font-weight: var(--fw-bold);
    color: var(--fg1);
    text-decoration: none;
    transition: color 0.2s ease;
    flex-shrink: 0;
}

.site-logo:hover {
    color: var(--fg-brand);
}

/* CTA Button — utilise .btn.btn-primary pour le style */
.header__cta {
    margin-left: auto;
    flex-shrink: 0;
}

/* Burger (hidden on desktop) */
.burger {
    display: none;
}

/* ==========================================================================
   B. Nav Desktop
   ========================================================================== */

.nav-menu {
    display: flex;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 8px 16px;
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: var(--fw-medium);
    color: var(--fg1);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-menu > li > a:hover,
.nav-menu > li.is-expanded > a {
    color: var(--fg-brand);
}

/* Hide default sub-menus on desktop (will be moved to mega panel) */
.nav-menu .sub-menu {
    display: none;
}

/* ==========================================================================
   C. Mega Panel
   ========================================================================== */

.mega-panel {
    position: fixed !important;
    top: 80px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100vw !important;
    max-width: none !important;
    display: none !important;
    background: var(--bg);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
    border-top: 2px solid var(--border);
    z-index: 99999 !important;
}

.mega-panel.is-open {
    display: block !important;
}

.mega-panel-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px;
    display: grid;
    grid-template-columns: 240px 1fr 220px;
    gap: 32px;
    align-items: start;
}

/* ==========================================================================
   D. Promo Block (Left)
   ========================================================================== */

.mega-promo {
    grid-column: 1;
    background: var(--bg-muted);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 200px;
}

.mega-promo-empty {
    background: transparent;
}

.mega-promo-badge {
    font-family: var(--font-main);
    font-size: 10px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fg-brand);
    border: 1px solid var(--border-brand);
    padding: 3px 10px;
    border-radius: 999px;
    width: fit-content;
}

.mega-promo-title {
    font-family: var(--font-main);
    font-size: 20px;
    font-weight: var(--fw-regular);
    color: var(--fg1);
    line-height: 1.2;
}

.mega-promo-title em {
    color: var(--fg-brand);
    font-style: italic;
}

.mega-promo-desc {
    font-family: var(--font-main);
    font-size: 13px;
    color: var(--fg3);
    line-height: 1.6;
}

.mega-promo-cta {
    font-family: var(--font-main);
    font-size: 12px;
    font-weight: var(--fw-bold);
    color: var(--fg-brand);
    text-decoration: none;
    letter-spacing: 0.06em;
    margin-top: auto;
    transition: color 0.2s ease;
}

.mega-promo-cta:hover {
    color: var(--fg1);
}

/* Promo en colonne droite (classe de menu mega-droite, à la place de l'aide) */
.mega-promo--droite {
    grid-column: 3;
}

/* Promo sombre (classe de menu mega-dark) */
.mega-promo--dark {
    background: var(--bg-inverse);
}

.mega-promo--dark .mega-promo-badge {
    color: var(--fg-inverse);
    border-color: rgba(255, 255, 255, 0.4);
}

.mega-promo--dark .mega-promo-title,
.mega-promo--dark .mega-promo-title em,
.mega-promo--dark .mega-promo-cta {
    color: var(--fg-inverse);
}

.mega-promo--dark .mega-promo-desc {
    color: rgba(255, 255, 255, 0.7);
}

.mega-promo--dark .mega-promo-cta:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================================
   E. Center Items
   ========================================================================== */

.mega-center {
    grid-column: 2;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px;
}

.mega-center > li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    list-style: none;
    transition: background 0.2s ease;
}

.mega-center > li:hover {
    background: var(--bg-muted);
}

.mega-cat-img {
    width: 100px;
    height: 60px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}

.mega-center > li > a {
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: var(--fw-semi);
    color: var(--fg1);
    text-decoration: none;
    transition: color 0.2s ease;
}

.mega-center > li > a:hover {
    color: var(--fg-brand);
}

.menu-item-desc {
    display: block;
    font-family: var(--font-main);
    font-size: 12px;
    color: var(--fg3);
    margin-top: 4px;
    line-height: 1.4;
}

/* ==========================================================================
   F. Aide Block (Right)
   ========================================================================== */

.mega-aide {
    grid-column: 3;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mega-aide-empty {
    background: transparent;
}

.mega-aide-title {
    font-family: var(--font-main);
    font-size: 10px;
    font-weight: var(--fw-bold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fg3);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.mega-aide-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mega-aide-list li {
    margin: 0;
}

.mega-aide-list a {
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: var(--fw-medium);
    color: var(--fg1);
    text-decoration: none;
    transition: color 0.2s ease;
}

.mega-aide-list a:hover {
    color: var(--fg-brand);
}

/* Aide CTA Block */
.mega-aide-cta {
    background: var(--bg-inverse);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: auto;
}

.mega-aide-cta-label {
    font-family: var(--font-main);
    font-size: 10px;
    font-weight: var(--fw-bold);
    color: var(--bg-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.mega-aide-cta-title {
    font-family: var(--font-main);
    font-size: 18px;
    font-weight: var(--fw-regular);
    color: var(--fg-inverse);
    line-height: 1.2;
}

.mega-aide-cta-title em {
    font-style: italic;
}

.mega-aide-btn {
    display: inline-block;
    background: var(--fg-brand);
    color: var(--fg-inverse);
    padding: 10px 16px;
    border-radius: 999px;
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: var(--fw-semi);
    text-decoration: none;
    text-align: center;
    transition: background 0.2s ease;
    margin-top: 8px;
}

.mega-aide-btn:hover {
    background: var(--fg2);
}

/* ==========================================================================
   G. Mobile Styles
   ========================================================================== */

@media (max-width: 1119px) {
    /* Burger visible */
    .burger {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        margin-left: auto;
        order: 3;
    }

    .burger span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--fg1);
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .burger.is-active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .burger.is-active span:nth-child(2) {
        opacity: 0;
    }

    .burger.is-active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hide CTA on mobile */
    .header__cta {
        display: none;
    }

    /* Mobile Navigation */
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        padding: 16px;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }

    .nav-menu.is-open {
        display: flex;
    }

    .nav-menu > li {
        border-bottom: 1px solid var(--border);
    }

    .nav-menu > li:last-child {
        border-bottom: none;
    }

    .nav-menu > li > a {
        padding: 16px;
        font-size: 16px;
    }

    /* Mobile Sub-menus (accordion) */
    .nav-menu .sub-menu {
        display: none;
        padding: 0 16px 16px;
    }

    .nav-menu .sub-menu.is-open {
        display: block;
    }

    .nav-menu .sub-menu li {
        padding: 8px 0;
    }

    .nav-menu .sub-menu a {
        font-size: 14px;
        color: var(--fg2);
    }

    /* Hide mega panels on mobile */
    .mega-panel {
        display: none !important;
    }

    /* Body scroll lock when menu open */
    body.menu-open {
        overflow: hidden;
    }
}

/* ==========================================================================
   H. Site Structure
   ========================================================================== */

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
}