/* ==========================================================================
   Galerie & visionneuse (lightbox)
   ========================================================================== */

.gallery__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.gallery__item {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-medium);
}

.gallery__item:hover img {
    transform: scale(1.05);
}

.gallery__item:hover,
.gallery__item:focus-visible {
    transform: scale(1.02);
    box-shadow: var(--shadow-medium);
}

.gallery__item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(20, 18, 16, 0);
    transition: background var(--transition-fast);
}

.gallery__item:hover::after {
    background: rgba(20, 18, 16, 0.08);
}

@media (min-width: 640px) {
    .gallery__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* --- Lightbox --------------------------------------------------------------- */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: var(--z-lightbox);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(15, 13, 11, 0.92);
    padding: var(--space-lg);
}

.lightbox[hidden] {
    display: none;
}

.lightbox__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    max-width: 720px;
    width: 100%;
}

.lightbox__image {
    width: 100%;
    max-height: 70vh;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.lightbox__caption {
    color: var(--color-white);
    font-size: var(--fs-small);
    letter-spacing: 0.04em;
    opacity: 0.8;
}

.lightbox__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.lightbox__close:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

.lightbox__close svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.6;
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.lightbox__nav:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

.lightbox__nav svg {
    width: 26px;
    height: 26px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
}

.lightbox__nav--prev {
    left: var(--space-md);
}

.lightbox__nav--next {
    right: var(--space-md);
}