/* ===========================
   MEGA MENU — polished style
   =========================== */

:root {
    --card-radius: 14px;
    --card-height: 180px;
    --gap: 18px;
    --dark-overlay: rgba(0,0,0,0.35);
    --dark-overlay-hover: rgba(0,0,0,0.25);
    --accent-red-1: rgba(255, 48, 48, 0.10);
    --accent-red-2: rgba(220, 24, 24, 0.30);
    --accent-red-3: rgba(150, 10, 10, 0.60);
    --transition-fast: 220ms;
    --transition-slow: 450ms;
}

/* GRID */
.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: var(--card-height);
    gap: 18px ;
    width: 100%;
    align-items: start;
    box-sizing: border-box;
}

/* CARD */
.mega-menu-item {
    --bg-pos: center;
    position: relative;
    border-radius: var(--card-radius);
    overflow: hidden;
    min-height: var(--card-height);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 18px;
    box-sizing: border-box;

    /* interaction */
    transform: translateY(0);
    transition: transform var(--transition-slow) cubic-bezier(.2,.9,.2,1), box-shadow var(--transition-slow);
    will-change: transform;
}

/* background image layer */
.mega-menu-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: inherit; /* uses inline background-image: url(...) from your markup */
    background-repeat: no-repeat;
    background-size: cover;
    background-position: var(--bg-pos);
    transform: scale(1);
    transition: transform var(--transition-slow) ease, filter var(--transition-fast) ease;
    z-index: 0;
    pointer-events: none;
}

/* subtle base dark overlay for contrast */
.mega-menu-item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--dark-overlay);
    transition: background var(--transition-fast) ease, opacity var(--transition-fast);
    z-index: 1;
    pointer-events: none;
}

/* hover/focus — red gradient overlay introduced via .grad pseudo */
.mega-menu-item .grad {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        var(--accent-red-1) 0%,
        var(--accent-red-2) 50%,
        var(--accent-red-3) 100%);
    opacity: 0;
    transform: translateY(6px) scale(1.02);
    transition: opacity var(--transition-fast) ease, transform var(--transition-slow) ease;
    z-index: 2;
    pointer-events: none;
}

/* Title / link area */
.mega-menu-link {
    position: relative; /* keep title in flow */
    z-index: 4;
    text-decoration: none;
    display: inline-block;
    width: auto;
}

.mega-menu-title {
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 8px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.6);
    transition: transform var(--transition-fast) ease, letter-spacing var(--transition-fast);
    z-index: 4;
}

/* Submenu container (animated) */
.mega-submenu {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    background: rgba(0,0,0,0.85);
    border-radius: 10px;
    padding: 14px;

    display: flex;
    flex-direction: column;
    gap: 8px;

    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;

    z-index: 6;

    /* 🔥 IMPORTANT FIX */
    max-height: none;
    overflow: visible;
}
/* links inside submenu */
.mega-sub-link, .voir-tous {
    color: #fff;
    font-size: 13px;
    text-decoration: none;
    transition: padding-left var(--transition-fast) ease, color var(--transition-fast);
    display: inline-block;
    padding-left: 0;
}

/* hover for text links */
.mega-sub-link:hover, .voir-tous:hover {
    color: #ff6b6b;
    padding-left: 8px;
}

/* "Voir tous" pushed to bottom of submenu */
.voir-tous {
    margin-top: 6px;
    font-weight: 600;
}

/* --- Hover / Focus states --- */
.mega-menu-item:hover,
.mega-menu-item:focus-within {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.45);
}

/* background zoom + brighten */
.mega-menu-item:hover::before,
.mega-menu-item:focus-within::before {
    transform: scale(1.08);
    filter: brightness(1.06);
}

/* fade to lighter dark overlay and show red gradient */
.mega-menu-item:hover::after,
.mega-menu-item:focus-within::after {
    background: var(--dark-overlay-hover);
}

.mega-menu-item:hover .grad,
.mega-menu-item:focus-within .grad {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* show submenu smoothly */
.mega-menu-item:hover .mega-submenu,
.mega-menu-item:focus-within .mega-submenu {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* subtle title micro movement */
.mega-menu-item:hover .mega-menu-title,
.mega-menu-item:focus-within .mega-menu-title {
    transform: translateY(-3px);
    letter-spacing: 0.2px;
}

/* keyboard focus visible for accessibility */
.mega-menu-link:focus-visible,
.mega-sub-link:focus-visible,
.voir-tous:focus-visible {
    outline: 3px solid rgba(255,80,80,0.22);
    outline-offset: 3px;
    border-radius: 6px;
}

/* ensure submenu is above clickable link area but under focused outline */
.mega-submenu { z-index: 6; }
.mega-menu-link { z-index: 4; }

/* small helpers */
.mega-menu-item .no-image {
    background: linear-gradient(135deg,#222,#444);
}

/* responsive columns */
@media (max-width: 1200px) { .mega-menu-grid { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 992px)  { .mega-menu-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 768px)  { .mega-menu-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; } }

/* respects user preference for reduced motion */
@media (prefers-reduced-motion: reduce) {
    .mega-menu-item,
    .mega-menu-item::before,
    .mega-menu-item::after,
    .grad,
    .mega-submenu,
    .mega-menu-title {
        transition: none !important;
    }
}