/* ============================================
   Ace Flight Center - Gallery Page Styles
   ============================================ */

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.gallery-filter-btn {
    padding: 10px 24px;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-navy);
    background: var(--color-light-gray);
    border: 2px solid transparent;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gallery-filter-btn:hover,
.gallery-filter-btn.active {
    background: var(--color-red);
    color: var(--color-white);
    border-color: var(--color-red);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
}

.gallery-item.wide {
    grid-column: span 2;
    aspect-ratio: 2/1;
}

.gallery-item.tall {
    grid-row: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 28, 66, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.gallery-item-overlay svg {
    width: 40px;
    height: 40px;
    fill: var(--color-white);
    transform: scale(0.8);
    transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-item-overlay svg {
    transform: scale(1);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
    position: relative;
    z-index: 2;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    padding: var(--space-sm);
    transition: color var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--color-red);
}

@media (max-width: 1024px) {
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-item.wide { grid-column: span 1; aspect-ratio: 1; }
}

@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
}