/* ==========================================================================
   GALERÍA — Estilos exclusivos de paginas/galeria.html
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Rejilla — .gallery-grid
   -------------------------------------------------------------------------- */

.gallery-grid {
    padding-block: var(--section-padding);
    background-color: var(--body-color);
}

.gallery-grid__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xs);
}

.gallery-grid__button {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: none;
    cursor: pointer;
}

.gallery-grid__image {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    filter: grayscale(1);
    transition: filter var(--transition-slow), transform var(--transition-slow);
}

.gallery-grid__button:hover .gallery-grid__image,
.gallery-grid__button:focus-visible .gallery-grid__image {
    filter: grayscale(0);
    transform: scale(1.02);
}

/* --------------------------------------------------------------------------
   2. Visor a pantalla completa — .gallery-grid__lightbox
   -------------------------------------------------------------------------- */

.gallery-grid__lightbox {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background-color: rgba(18, 35, 58, 0.94);
}

.gallery-grid__lightbox[hidden] {
    display: none;
}

.gallery-grid__lightbox-image {
    max-width: min(1100px, 100%);
    max-height: 88vh;
    object-fit: contain;
}

.gallery-grid__lightbox-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid var(--border-inverse-color);
    background: none;
    color: var(--inverse-color);
    transition: background-color var(--transition-fast);
}

.gallery-grid__lightbox-close:hover {
    background-color: rgba(245, 243, 239, 0.14);
}

/* --------------------------------------------------------------------------
   3. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
    .gallery-grid__list {
        grid-template-columns: repeat(2, 1fr);
    }
}