/* Product Collage Layout Styles */
/* Layout: Square image on left, rectangular collage on right */

/* ============================================
   PRODUCT COLLAGE SECTION CONTAINER
   ============================================ */
.product-collage-section {
    background: #f8f8f8;
    padding: var(--space-4) 0;
    margin: 0;
}

.product-collage-section .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 60px);
}

/* Section Header */
.product-collage-header {
    text-align: left;
    margin-bottom: var(--space-3);
}

.product-collage-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 0;
    color: var(--brand-accent, #58c4c0);
    text-transform: uppercase;
}

/* ============================================
   MAIN LAYOUT: Square Image + Collage Side by Side
   ============================================ */
.product-collage-layout {
    grid-auto-rows: 68vh;
    display: grid;
    grid-template-columns: 1.3fr 1.65fr;
    gap: clamp(20px, 1.8vw, 25px);
    align-items: stretch;
    max-width: 100%;
    background-color: #f2f2f2;
}
.product-collage-layout > *:first-child {
    aspect-ratio: 1 / 1;
}

/* ============================================
   LEFT SIDE: SQUARE IMAGE
   ============================================ */
.product-collage-main-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #f2f2f2;
}

.product-collage-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.4s ease;
}


/* ============================================
   RIGHT SIDE: RECTANGULAR COLLAGE
   ============================================ */
.product-collage-container {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
}

/* Product Collage - rectangular version */
.product-collage {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: #f2f2f2;
    border: none !important;
    outline: none !important;
}

/* Collage Row */
.product-collage .collage-row {
    display: flex;
    gap: 4px;
    flex: 1;
    min-height: 0;
    width: 100%;
}

/* Individual collage item */
.product-collage .collage-item {
    position: relative;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    cursor: pointer;
    border: none !important;
    outline: none !important;
}

/* Support for custom flex values */
.product-collage .collage-item[data-flex="1"] { flex: 1; }
.product-collage .collage-item[data-flex="1.2"] { flex: 1.2; }
.product-collage .collage-item[data-flex="1.5"] { flex: 1.5; }
.product-collage .collage-item[data-flex="0.8"] { flex: 0.8; }
.product-collage .collage-item[data-flex="0.9"] { flex: 0.9; }
.product-collage .collage-item[data-flex="1.1"] { flex: 1.1; }
.product-collage .collage-item[data-flex="1.3"] { flex: 1.3; }
.product-collage .collage-item[data-flex="1.4"] { flex: 1.4; }
.product-collage .collage-item[data-flex="2"] { flex: 2; }

/* Image styling */
.product-collage .collage-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    /* Grayscale effect by default */
    filter: grayscale(70%);
    transition: filter 0.4s ease, transform 0.4s ease;
    border: none !important;
    outline: none !important;
}

/* Hover state - color reveal */
.product-collage .collage-item:hover img {
    filter: grayscale(0%);
}

/* Row height variations */
.product-collage .collage-row.row-tall {
    flex: 1.3;
}

.product-collage .collage-row.row-short {
    flex: 0.8;
}

.product-collage .collage-row.row-medium {
    flex: 1;
}

/* ============================================
   HOVER PREVIEW - 30% expansion on hover
   ============================================ */
.product-collage .collage-hover-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 50;
    pointer-events: none;
    overflow: hidden;
}

.product-collage .collage-hover-preview .preview-image {
    position: absolute;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.9);
    border-radius: 4px;
    overflow: hidden;
    pointer-events: none;
}

.product-collage .collage-hover-preview .preview-image.active {
    opacity: 1;
    visibility: visible;
}

.product-collage .collage-hover-preview .preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0%);
    display: block;
}

/* ============================================
   PRODUCT ACTIONS
   ============================================ */
.product-collage-actions {
    display: flex;
    justify-content: flex-start;
    margin-top: var(--space-3);
    padding-top: var(--space-2);
}

/* ============================================
   ANIMATION
   ============================================ */
@keyframes productCollageItemFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.product-collage .collage-item {
    animation: productCollageItemFadeIn 0.6s ease forwards;
}

.product-collage .collage-item:nth-child(1) { animation-delay: 0.05s; }
.product-collage .collage-item:nth-child(2) { animation-delay: 0.1s; }
.product-collage .collage-item:nth-child(3) { animation-delay: 0.15s; }
.product-collage .collage-item:nth-child(4) { animation-delay: 0.2s; }

.product-collage .collage-row:nth-child(2) .collage-item:nth-child(1) { animation-delay: 0.25s; }
.product-collage .collage-row:nth-child(2) .collage-item:nth-child(2) { animation-delay: 0.3s; }
.product-collage .collage-row:nth-child(2) .collage-item:nth-child(3) { animation-delay: 0.35s; }
.product-collage .collage-row:nth-child(2) .collage-item:nth-child(4) { animation-delay: 0.4s; }

.product-collage .collage-row:nth-child(3) .collage-item:nth-child(1) { animation-delay: 0.45s; }
.product-collage .collage-row:nth-child(3) .collage-item:nth-child(2) { animation-delay: 0.5s; }
.product-collage .collage-row:nth-child(3) .collage-item:nth-child(3) { animation-delay: 0.55s; }
.product-collage .collage-row:nth-child(3) .collage-item:nth-child(4) { animation-delay: 0.6s; }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet landscape */
@media (max-width: 1200px) {
    .product-collage-layout {
        grid-template-columns: 1fr 1.3fr;
        gap: clamp(12px, 2vw, 24px);
    }
}

/* Tablet portrait */
@media (max-width: 1024px) {
    .product-collage-layout {
        grid-template-columns: 1fr 1.2fr;
    }

    .product-collage {
        gap: 3px;
    }

    .product-collage .collage-row {
        gap: 3px;
    }
}

/* Stack vertically on smaller screens */
@media (max-width: 820px) {
    .product-collage-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-collage-main-image {
        max-width: 100%;
        aspect-ratio: 16 / 10;
    }

    .product-collage-container {
        min-height: 300px;
        aspect-ratio: 16 / 10;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .product-collage-section {
        padding: var(--space-3) 0;
    }

    .product-collage {
        gap: 2px;
    }

    .product-collage .collage-row {
        gap: 2px;
    }

    /* On mobile, show less grayscale for better visibility */
    .product-collage .collage-item img {
        filter: grayscale(50%);
    }

    .product-collage .collage-item:hover img {
        filter: grayscale(0%);
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .product-collage-container {
        min-height: 250px;
        aspect-ratio: 4 / 3;
    }

    .product-collage-header h2 {
        font-size: 1.2rem;
    }
}

/* ============================================
   SECTION REVEAL ANIMATION
   ============================================ */
.product-collage-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms ease, transform 600ms ease;
}

.product-collage-section.revealed {
    opacity: 1;
    transform: translateY(0);
}