/* ============================================
   ZONZINI - GALLERIA IMMAGINI DINAMICA
   Versione semplificata - Sfondo crema
   ============================================ */

.gallery-section {
    background: var(--color-cream);
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.gallery-header {
    margin-bottom: var(--space-3xl);
}

.gallery-header h2 {
    margin-bottom: var(--space-md);
    color: var(--color-cream);
}
.gallery-section .gallery-header h2 {
    margin-bottom: var(--space-md);
    color: var(--color-secondary);
}

/* ============================================
   GRID MASONRY
   ============================================ */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-md);
    grid-auto-rows: 80px;
    grid-auto-flow: dense;
}

/* ============================================
   ITEM BASE
   ============================================ */

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--color-secondary);
    grid-column: span 4;
    grid-row: span 3;
}

/* Dimensioni */
.gallery-item[data-size="small"]    { grid-column: span 3; grid-row: span 3; }
.gallery-item[data-size="medium"]   { grid-column: span 4; grid-row: span 4; }
.gallery-item[data-size="large"]    { grid-column: span 6; grid-row: span 5; }
.gallery-item[data-size="wide"]     { grid-column: span 6; grid-row: span 3; }
.gallery-item[data-size="tall"]     { grid-column: span 4; grid-row: span 6; }
.gallery-item[data-size="hero"]     { grid-column: span 8; grid-row: span 6; }
.gallery-item[data-size="portrait"] { grid-column: span 4; grid-row: span 10; }
.gallery-item[data-size="square"]   { grid-column: span 4; grid-row: span 5; }

/* Immagine */
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* ============================================
   OVERLAY
   ============================================ */

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(38,38,38,0.95) 0%, rgba(38,38,38,0.5) 35%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-overlay-content {
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.gallery-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-h5);
    font-weight: 800;
    color: white;
    text-transform: uppercase;
    margin: 0 0 var(--space-xs);
    line-height: 1.1;
}

.gallery-caption {
    font-family: var(--font-primary);
    font-size: var(--font-size-small);
    color: rgba(255,255,255,0.7);
    margin: 0;
    line-height: 1.4;
}

.gallery-category {
    font-family: var(--font-primary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

/* Overlay sempre visibile */
.gallery-item.overlay-visible .gallery-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(38,38,38,0.9) 0%, rgba(38,38,38,0.4) 40%, transparent 70%);
}
.gallery-item.overlay-visible .gallery-overlay-content { transform: translateY(0); }

/* ============================================
   ICONA + E LINEA
   ============================================ */

.gallery-item::before {
    content: '';
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    border: 2px solid white;
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.gallery-item::after {
    content: '+';
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 300;
    color: white;
    opacity: 0;
    transform: scale(0.5) rotate(-90deg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 3;
}

.gallery-item:hover::before { opacity: 1; transform: scale(1); }
.gallery-item:hover::after { opacity: 1; transform: scale(1) rotate(0deg); }

.gallery-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 4px;
    background: var(--color-primary);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.gallery-item:hover .gallery-line { width: 100%; }

/* ============================================
   LIGHTBOX
   ============================================ */

.gallery-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(38,38,38,0.98);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    padding: var(--space-2xl);
}

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

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    transform: scale(0.9);
    transition: transform 0.4s ease;
}

.gallery-lightbox.active .lightbox-content { transform: scale(1); }

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.lightbox-info {
    position: absolute;
    bottom: -60px;
    left: 0;
    right: 0;
    text-align: center;
    color: white;
}

.lightbox-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-h5);
    font-weight: 700;
    margin: 0 0 var(--space-xs);
}

.lightbox-caption {
    font-size: var(--font-size-small);
    color: rgba(255,255,255,0.7);
    margin: 0;
}

.lightbox-close,
.lightbox-nav {
    position: absolute;
    width: 50px;
    height: 50px;
    background: transparent;
    border: 2px solid white;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.lightbox-close:hover,
.lightbox-nav:hover {
    background: white;
    color: var(--color-secondary);
}

.lightbox-close { top: var(--space-lg); right: var(--space-lg); }
.lightbox-nav { top: 50%; transform: translateY(-50%); }
.lightbox-prev { left: var(--space-lg); }
.lightbox-next { right: var(--space-lg); }

.lightbox-counter {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    font-family: var(--font-primary);
    font-size: var(--font-size-small);
    font-weight: 600;
    color: white;
}

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

@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(8, 1fr);
        gap: var(--space-sm);
        grid-auto-rows: 70px;
    }
    
    .gallery-item[data-size="small"]    { grid-column: span 4; grid-row: span 3; }
    .gallery-item[data-size="medium"],
    .gallery-item[data-size="large"]    { grid-column: span 4; grid-row: span 4; }
    .gallery-item[data-size="wide"]     { grid-column: span 8; grid-row: span 3; }
    .gallery-item[data-size="tall"]     { grid-column: span 4; grid-row: span 5; }
    .gallery-item[data-size="hero"]     { grid-column: span 8; grid-row: span 5; }
    .gallery-item[data-size="portrait"] { grid-column: span 4; grid-row: span 7; }
    .gallery-item[data-size="square"]   { grid-column: span 4; grid-row: span 4; }
    
    .gallery-title { font-size: var(--font-size-body); }
    .gallery-item::before,
    .gallery-item::after { width: 32px; height: 32px; top: var(--space-sm); right: var(--space-sm); }
    .gallery-item::after { font-size: 18px; }
}

@media (max-width: 768px) {
    .gallery-section { padding: var(--space-2xl) 0; }
    .gallery-header { margin-bottom: var(--space-xl); }
    
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-xs);
        grid-auto-rows: 60px;
    }
    
    .gallery-item,
    .gallery-item[data-size="small"],
    .gallery-item[data-size="medium"],
    .gallery-item[data-size="square"]   { grid-column: span 2; grid-row: span 3; }
    
    .gallery-item[data-size="large"],
    .gallery-item[data-size="wide"],
    .gallery-item[data-size="hero"]     { grid-column: span 4; grid-row: span 3; }
    
    .gallery-item[data-size="tall"],
    .gallery-item[data-size="portrait"] { grid-column: span 2; grid-row: span 4; }
    
    /* Mobile: overlay sempre visibile */
    .gallery-overlay {
        opacity: 1;
        padding: var(--space-sm);
        background: linear-gradient(to top, rgba(38,38,38,0.85) 0%, transparent 50%);
    }
    .gallery-overlay-content { transform: translateY(0); }
    .gallery-title { font-size: var(--font-size-small); }
    .gallery-caption { display: none; }
    .gallery-category { font-size: 10px; }
    .gallery-item::before,
    .gallery-item::after { display: none; }
    
    .gallery-lightbox { padding: var(--space-md); }
    .lightbox-nav, .lightbox-close { width: 40px; height: 40px; }
    .lightbox-info { bottom: -50px; }
}

@media (max-width: 480px) {
    .gallery-grid { grid-auto-rows: 50px; }
    
    .gallery-item,
    .gallery-item[data-size="small"],
    .gallery-item[data-size="medium"],
    .gallery-item[data-size="square"],
    .gallery-item[data-size="tall"]     { grid-column: span 2; grid-row: span 3; }
    
    .gallery-item[data-size="large"],
    .gallery-item[data-size="wide"],
    .gallery-item[data-size="hero"]     { grid-column: span 4; grid-row: span 4; }
    
    .gallery-item[data-size="portrait"] { grid-column: span 2; grid-row: span 4; }
}