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

/* --------------------------------------------------------------------------
   1. Cabecera de la sección — .gallery-grid__head
   -------------------------------------------------------------------------- */

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

.gallery-grid__shell {
    display: grid;
    gap: var(--spacing-lg);
}

.gallery-grid__head {
    display: grid;
    gap: var(--spacing-xs);
    max-width: 56ch;
}

.gallery-grid__title {
    font-size: clamp(1.9rem, 4.2vw, 3.25rem);
    text-transform: uppercase;
}

.gallery-grid__lead {
    color: var(--muted-color);
    font-size: 0.98rem;
}

/* --------------------------------------------------------------------------
   2. Filtro de tipo — .gallery-grid__type-filter
   -------------------------------------------------------------------------- */

.gallery-grid__type-filter {
    display: flex;
    flex-wrap: wrap;
    border: 1px solid var(--border-color);
    background-color: var(--surface-color);
}

.gallery-grid__type-button {
    flex: 1;
    min-width: 8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.7rem 1rem;
    border: 0;
    border-right: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--muted-color);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.gallery-grid__type-button:last-child {
    border-right: 0;
}

.gallery-grid__type-button:hover {
    color: var(--primary-color);
}

.gallery-grid__type-button.is-active {
    background-color: var(--primary-color);
    color: var(--inverse-color);
}

.gallery-grid__type-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.6rem;
    padding-inline: 0.35rem;
    border: 1px solid currentColor;
    font-size: 0.65rem;
    font-variant-numeric: tabular-nums;
    line-height: 1.4;
}

/* --------------------------------------------------------------------------
   3. Rejilla — .gallery-grid__list (masonry con CSS columns)
   -------------------------------------------------------------------------- */

.gallery-grid__list {
    column-count: 4;
    column-gap: var(--spacing-xs);
}

.gallery-grid__item {
    break-inside: avoid;
    display: block;
    margin-bottom: var(--spacing-xs);
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
}

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

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

.gallery-grid__image {
    display: block;
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

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

/* Los vídeos no tienen miniatura: la cuadrícula enseña un cuadrado con un
   botón de play centrado. Se mantiene el filtro de color en el hover, igual
   que en una imagen. */
.gallery-grid__item--video {
    aspect-ratio: 1 / 1;
    background:
        linear-gradient(135deg, var(--deep-color), var(--primary-dark-color));
    color: var(--inverse-color);
}

.gallery-grid__item--video .gallery-grid__button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 100%;
}

.gallery-grid__play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border: 2px solid currentColor;
    border-radius: 50%;
    color: currentColor;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.gallery-grid__item--video .gallery-grid__button:hover .gallery-grid__play,
.gallery-grid__item--video .gallery-grid__button:focus-visible .gallery-grid__play {
    transform: scale(1.1);
    background-color: rgba(249, 178, 8, 0.18);
}

/* --------------------------------------------------------------------------
   4. Paginación — .gallery-grid__more
   -------------------------------------------------------------------------- */

.gallery-grid__more {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-md);
}

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

.gallery-grid__more-meta {
    margin: 0;
    color: var(--muted-color);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.gallery-grid__more-meta span {
    color: var(--title-color);
    font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   5. Visor a pantalla completa — .gallery-lightbox
   -------------------------------------------------------------------------- */

.gallery-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, 0.96);
}

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

.gallery-lightbox__content {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: min(1200px, 100%);
    max-height: 88vh;
}

.gallery-lightbox__content img,
.gallery-lightbox__content video {
    display: block;
    max-width: 100%;
    max-height: 88vh;
    object-fit: contain;
}

.gallery-lightbox__close,
.gallery-lightbox__nav {
    position: absolute;
    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);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

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

.gallery-lightbox__close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.gallery-lightbox__nav--prev {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.gallery-lightbox__nav--next {
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.gallery-lightbox__counter {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--border-inverse-color);
    background-color: rgba(18, 35, 58, 0.7);
    color: var(--inverse-color);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-variant-numeric: tabular-nums;
}

.gallery-lightbox__counter-sep {
    margin-inline: 0.35rem;
    color: var(--inverse-muted-color);
}

/* --------------------------------------------------------------------------
   6. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    .gallery-grid__list {
        column-count: 3;
    }
}

@media (max-width: 767px) {
    .gallery-grid__list {
        column-count: 2;
    }

    .gallery-lightbox__nav--prev {
        left: var(--spacing-xs);
    }

    .gallery-lightbox__nav--next {
        right: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .gallery-grid__list {
        column-count: 1;
    }
}