/* ==========================================================================
   Category Grid Portlet – Bento Layout
   1 large tile (left, 2 rows) + 4 smaller tiles (2×2 right)
   ========================================================================== */

/* Grid Container */
.catgrid-bento {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--catgrid-gap, 0px);
    width: 100%;
}

/* Tile Base – square aspect ratio */
.catgrid-tile {
    position: relative;
    overflow: hidden;
    display: block;
    text-decoration: none;
    color: #fff;
    cursor: pointer;
    aspect-ratio: 1;
}

.catgrid-tile:focus-visible {
    outline: 3px solid #4a90d9;
    outline-offset: -3px;
}

/* Large tile spans both rows; height set by grid, not aspect-ratio */
.catgrid-tile--large {
    grid-row: 1 / 3;
    aspect-ratio: auto;
}

/* ---------- Background Image Layer ---------- */
.catgrid-tile-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.5s ease;
    z-index: 1;
}

/* ---------- Gradient Overlay ---------- */
.catgrid-tile-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.6));
    opacity: 0.5;
    z-index: 2;
    transition: opacity 0.5s ease;
}

/* ---------- Title ---------- */
.catgrid-tile-title {
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 16px 20px;
    margin: 0;
    color: #fff;
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.3;
    z-index: 3;
    transition: transform 0.4s ease;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.catgrid-tile--large .catgrid-tile-title {
    font-size: 1.5rem;
    padding: 24px 28px;
}

/* ==========================================================================
   Hover Effects
   ========================================================================== */
.catgrid-tile:hover .catgrid-tile-bg {
    transform: scale(1.06);
}

.catgrid-tile:hover .catgrid-tile-overlay {
    opacity: 1;
}

.catgrid-tile:hover .catgrid-tile-title {
    transform: translateY(-4px);
}

/* ==========================================================================
   Responsive – Single Column on Mobile
   ========================================================================== */
@media (max-width: 767px) {
    .catgrid-bento {
        grid-template-columns: 1fr;
    }

    .catgrid-tile,
    .catgrid-tile--large {
        grid-row: span 1;
        aspect-ratio: 1;
    }

    .catgrid-tile-title,
    .catgrid-tile--large .catgrid-tile-title {
        font-size: 1.1rem;
        padding: 14px 18px;
    }
}