/* --- CSS Reset & Variables --- */
:root {
    --primary-text: #1a1a1a;
    --overlay-color: rgba(0, 0, 0, 0.6);
    --transition-speed: 0.4s;
    --gap-size: 15px;
    --border-radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Anek Bangla', sans-serif;
    /* background-color: #f9f9f9; */
    /* padding: 40px 20px; */
}

/* --- Section Styling --- */
.category-section {
    max-width: 1200px;
    margin: 0 auto;
}

/* Title */
.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-text);
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
    width: 100%;
}

/* --- Grid Layout --- */
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    /* Split screen 50/50 */
    gap: var(--gap-size);
    margin-bottom: 40px;
}

/* Right side sub-grid (2x2) */
.right-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--gap-size);
    height: 475px;
    /* Match large image height */
}

/* --- Card Design --- */
.cat-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* Large card - fixed 475px height */
.cat-card.large {
    height: 475px;
}

/* Small cards - fixed 230px height */
.cat-card.small {
    height: 230px;
}

/* Image Styling */
.cat-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Ensures image fills box without stretching */
    object-position: top;
    transition: transform var(--transition-speed) ease;
}

/* Hover Effect: Zoom Image */
.cat-card:hover img {
    transform: scale(1.08);
}

/* --- Gradient Overlay & Text --- */
.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Gradient covers bottom half */
    background: linear-gradient(to top, rgb(0 0 0 / 43%) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    transition: background var(--transition-speed);
}

.cat-card:hover .overlay {
    background: linear-gradient(to top, rgb(0 0 0 / 39%) 0%, transparent 100%);
}

.cat-name {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    transform: translateY(0);
    transition: transform var(--transition-speed);
}

/* Slight lift of text on hover */
.cat-card:hover .cat-name {
    transform: translateY(-5px);
}

/* --- Button Styling --- */
.btn-container {
    text-align: center;
}

.view-all-btn {
    background-color: #111827;
    color: #fff;
    font-family: 'Anek Bangla', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-all-btn:hover {
    background-color: #000;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        /* Stack into 1 column */
    }

    .cat-card.large {
        height: 400px;
        /* Adjust height for mobile */
    }

    .right-column {
        grid-template-columns: 1fr 1fr;
        /* Two cards side by side */
        grid-template-rows: auto auto;
        /* Two rows */
        height: auto;
        /* Auto height on mobile */
        gap: var(--gap-size);
    }

    .cat-card.small {
        height: 180px;
        /* Smaller height for mobile */
    }

    .section-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .right-column {
        grid-template-columns: 1fr 1fr;
        /* Keep two columns */
        grid-template-rows: auto auto;
        /* Two rows */
        gap: 10px;
    }

    .cat-card.small {
        height: 160px;
        /* Slightly smaller on very small screens */
    }

    .cat-card.large {
        height: 350px;
    }

    .cat-name {
        font-size: 1rem;
        padding: 15px;
    }

    .overlay {
        padding: 15px;
    }
}