/**
 * MIREKBYGG - Gallery Section
 * Instagram Pro-style portfolio display
 */

.gallery {
    position: relative;
    padding: var(--space-32) 0;
    background: var(--bg-secondary);
}

/* === CONTAINER === */
.gallery-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* === FILTERS === */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    color: var(--text-tertiary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: 
        color var(--transition-base) var(--ease-out),
        background var(--transition-base) var(--ease-out),
        border-color var(--transition-base) var(--ease-out);
}

.filter-btn:hover {
    color: var(--text-primary);
}

.filter-btn.active {
    color: var(--color-gold);
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--color-gold);
}

/* === GRID === */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

/* === GALLERY ITEM === */
.gallery-item {
    position: relative;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-base) var(--ease-out);
}

.gallery-item:hover {
    transform: scale(1.02);
}

/* Featured item spans 2 columns */
.gallery-item.featured {
    grid-column: span 2;
    grid-row: span 2;
}

/* Image container */
.item-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    cursor: zoom-in;
}

.gallery-item.featured .item-image {
    aspect-ratio: 16/10;
}

/* Image placeholder */
.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-graphite) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-6);
    border: 1px dashed var(--border-primary);
    border-radius: var(--radius-md);
    text-align: center;
    min-width: 150px;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    transition:
        opacity var(--transition-base) var(--ease-out),
        transform var(--transition-base) var(--ease-out);
}

.placeholder-box.large {
    min-width: 250px;
    padding: var(--space-10);
}

.placeholder-box.gold-tint {
    border-color: rgba(212, 175, 55, 0.3);
    background: rgba(10, 10, 10, 0.6);
}

.placeholder-label {
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-widest);
    color: var(--color-gold);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85);
}

.placeholder-desc {
    font-size: var(--text-sm);
    color: var(--color-silver);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85);
}

.placeholder-note {
    font-size: var(--text-xs);
    color: var(--color-gray);
    font-style: italic;
    margin-top: var(--space-2);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85);
}

/* Before/After slider */
.image-placeholder.before-after {
    background: none;
}

.ba-slider {
    display: flex;
    width: 100%;
    height: 100%;
}

.ba-before,
.ba-after {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ba-before {
    background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-black) 100%);
    border-right: 1px solid var(--border-primary);
}

.ba-after {
    background: linear-gradient(135deg, var(--color-graphite) 0%, var(--color-charcoal) 100%);
}

/* Item content overlay */
.item-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-6);
    background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 10, 0.95) 100%);
    transform: translateY(20px);
    opacity: 0;
    transition: 
        transform var(--transition-base) var(--ease-out),
        opacity var(--transition-base) var(--ease-out);
}

.gallery-item:hover .item-content {
    transform: translateY(0);
    opacity: 1;
}

/* Hide placeholder text when overlay content is visible */
.gallery-item:hover .placeholder-box {
    opacity: 0;
    transform: translateY(10px);
}

.item-category {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-gold);
    margin-bottom: var(--space-2);
}

.item-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.gallery-item.featured .item-title {
    font-size: var(--text-2xl);
}

.item-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.item-link {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gold);
    transition: color var(--transition-base) var(--ease-out);
}

.item-link:hover {
    color: var(--color-gold-light);
}

/* === CTA === */
.gallery-cta {
    text-align: center;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .gallery {
        padding: var(--space-24) 0;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .gallery-item.featured .item-image {
        aspect-ratio: 21/9;
    }
}

@media (max-width: 768px) {
    .gallery {
        padding: var(--space-20) 0;
    }
    
    .gallery-filters {
        gap: var(--space-1);
    }
    
    .filter-btn {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-xs);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item.featured {
        grid-column: span 1;
    }
    
    .gallery-item.featured .item-image {
        aspect-ratio: 16/9;
    }
    
    .item-content {
        transform: translateY(0);
        opacity: 1;
    }
    
    /* Hide placeholder box text on mobile */
    .placeholder-box {
        display: none;
    }
}

@media (max-width: 480px) {
    .gallery {
        padding: var(--space-16) 0;
    }
    
    .gallery-grid {
        gap: var(--space-4);
    }
    
    .item-content {
        padding: var(--space-4);
    }
    
    .item-title {
        font-size: var(--text-lg);
    }
}

/* === GALLERY MODAL === */
.gallery-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: 
        opacity var(--transition-base) var(--ease-out),
        visibility var(--transition-base) var(--ease-out);
}

.gallery-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
}

.modal-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    margin: var(--space-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: scale(0.95);
    transition: transform var(--transition-base) var(--ease-out);
}

.gallery-modal.active .modal-container {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: calc(-1 * var(--space-12));
    right: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    cursor: pointer;
    transition: 
        background var(--transition-fast) var(--ease-out),
        border-color var(--transition-fast) var(--ease-out),
        transform var(--transition-fast) var(--ease-out);
    z-index: 10;
}

.modal-close:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 24px;
    height: 24px;
}

.modal-content {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.modal-image {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    background: var(--color-black);
    transition: opacity var(--transition-fast) var(--ease-out);
}

.modal-info {
    padding: var(--space-6);
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.modal-category {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-gold);
    margin-bottom: var(--space-2);
}

.modal-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.modal-description {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* Modal Navigation */
.modal-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--space-4);
    pointer-events: none;
}

.modal-nav-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    cursor: pointer;
    pointer-events: all;
    transition: 
        background var(--transition-fast) var(--ease-out),
        border-color var(--transition-fast) var(--ease-out),
        transform var(--transition-fast) var(--ease-out);
}

.modal-nav-btn:hover {
    background: rgba(212, 175, 55, 0.3);
    border-color: var(--color-gold);
    transform: scale(1.1);
}

.modal-nav-btn:disabled {
    opacity: 0.3;
    pointer-events: none;
}

.modal-nav-btn svg {
    width: 24px;
    height: 24px;
}

/* Body lock when modal is open */
body.modal-open {
    overflow: hidden;
}

/* === MODAL RESPONSIVE === */
@media (max-width: 1024px) {
    .modal-container {
        max-width: 90vw;
    }
    
    .modal-nav {
        padding: 0 var(--space-2);
    }
}

@media (max-width: 768px) {
    .modal-container {
        max-width: 100vw;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
    }
    
    .modal-content {
        border-radius: 0;
        max-height: 100vh;
    }
    
    .modal-image {
        max-height: 60vh;
    }
    
    .modal-close {
        top: var(--space-4);
        right: var(--space-4);
        background: rgba(0, 0, 0, 0.7);
    }
    
    .modal-nav-btn {
        width: 40px;
        height: 40px;
    }
    
    .modal-nav-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .modal-info {
        padding: var(--space-4);
    }
    
    .modal-title {
        font-size: var(--text-xl);
    }
    
    .modal-description {
        font-size: var(--text-sm);
    }
}

@media (max-width: 480px) {
    .modal-nav-btn {
        width: 36px;
        height: 36px;
    }
    
    .modal-close {
        width: 40px;
        height: 40px;
    }
    
    .modal-close svg {
        width: 20px;
        height: 20px;
    }
}