/* Gallery: homepage slider (three per frame) and the filterable Gallery page grid. */
.ocf-gallery {
    background: var(--ocf-bg);
}

.ocf-gallery--slider {
    background: var(--neptune-bg-alt);
    padding-block: var(--ocf-section-compact-pad);
}

.ocf-gallery-header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: var(--ocf-grid-gap);
    margin-bottom: calc(var(--ocf-grid-gap) * 1.25);
}

.ocf-gallery-heading {
    max-width: var(--ocf-section-heading-width);
}

.ocf-gallery-actions {
    display: flex;
    align-items: center;
    gap: var(--ocf-grid-gap);
    flex-shrink: 0;
}

.ocf-gallery-nav {
    display: flex;
    gap: calc(var(--ocf-grid-gap) * 0.375);
}

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

.ocf-gallery-nav button {
    display: inline-grid;
    place-items: center;
    width: var(--ocf-gallery-nav-size);
    height: var(--ocf-gallery-nav-size);
    padding: 0;
    border: var(--card-border-width) solid var(--ocf-border);
    border-radius: var(--button-radius);
    background: var(--ocf-bg);
    color: var(--ocf-link);
    transition: border-color var(--duration), color var(--duration);
}

.ocf-gallery-nav button:hover:not(:disabled) {
    border-color: var(--ocf-primary);
}

.ocf-gallery-nav button:disabled {
    opacity: 0.4;
}

.ocf-gallery-viewport {
    overflow: hidden;
    overflow: clip; /* no programmatic scroll when a card gets focus */
}

/* Room for the image shadow inside the clipped slider viewport. */
.ocf-gallery--slider .ocf-gallery-viewport {
    margin: calc(var(--ocf-grid-gap) * -0.75);
    padding: calc(var(--ocf-grid-gap) * 0.75);
}

.ocf-gallery-track {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--ocf-grid-gap);
}

.ocf-gallery--slider .ocf-gallery-track {
    --gallery-per-view: 3;
    display: flex;
    transition: transform var(--duration) var(--ease);
}

.ocf-gallery-card {
    min-width: 0;
    margin: 0;
}

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

.ocf-gallery--slider .ocf-gallery-card {
    flex: 0 0 calc((100% - var(--ocf-grid-gap) * (var(--gallery-per-view) - 1)) / var(--gallery-per-view));
}

.ocf-gallery-open {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: var(--neptune-bg-alt);
    cursor: zoom-in;
}

.ocf-gallery-open img {
    width: 100%;
    height: var(--ocf-gallery-image-height);
    object-fit: cover;
    transition: transform var(--duration) var(--ease);
}

.ocf-gallery-open:hover img {
    transform: scale(1.03);
}

.ocf-gallery--slider .ocf-gallery-open img {
    height: var(--ocf-gallery-slider-image-height);
}

.ocf-gallery-card figcaption {
    padding: calc(var(--ocf-grid-gap) * 0.5) 0;
}

.ocf-gallery-archive-intro {
    display: flex;
    justify-content: space-between;
    gap: calc(var(--ocf-grid-gap) * 0.75);
    margin-bottom: var(--ocf-grid-gap);
}

.ocf-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--ocf-grid-gap) * 0.5);
    margin-bottom: var(--ocf-grid-gap);
}

.ocf-filter-bar button {
    padding: calc(var(--ocf-grid-gap) * 0.4375) var(--ocf-grid-gap);
    border: var(--card-border-width) solid var(--ocf-border);
    border-radius: var(--button-radius);
    background: var(--ocf-bg);
    color: var(--ocf-heading);
    font-size: var(--font-body-size);
    font-weight: var(--font-weight-bold);
}

.ocf-filter-bar button.is-active {
    background: var(--ocf-secondary);
    border-color: var(--ocf-secondary);
    color: var(--ocf-secondary-contrast);
}

.ocf-filter-bar button:hover {
    border-color: var(--ocf-secondary);
}

.ocf-gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    padding: clamp(var(--ocf-space-unit), 3vw, calc(var(--ocf-space-unit) * 2));
}

.ocf-gallery-lightbox.is-open {
    display: grid;
    place-items: center;
}

.ocf-gallery-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: color-mix(in srgb,var(--ocf-bg-dark) 86%,transparent);
}

.ocf-gallery-lightbox__panel {
    position: relative;
    z-index: 1;
    display: grid;
    width: min(100%, var(--ocf-gallery-lightbox-width));
    max-height: calc(100vh - calc(var(--ocf-space-unit) * 4));
    align-items: center;
}

.ocf-gallery-lightbox__figure {
    display: grid;
    gap: var(--ocf-space-unit);
    justify-items: center;
    margin: 0;
}

.ocf-gallery-lightbox__figure img {
    width: auto;
    max-width: 100%;
    max-height: calc(100vh - calc(var(--ocf-space-unit) * 9));
    object-fit: contain;
    background: transparent;
}

.ocf-gallery-lightbox__figure figcaption {
    min-height: calc(var(--ocf-space-unit) * 1.5);
    color: var(--ocf-heading-alt);
    font-size: var(--font-label-size);
}

.ocf-gallery-lightbox__close,
.ocf-gallery-lightbox__nav {
    position: absolute;
    z-index: 2;
    display: inline-grid;
    width: calc(var(--ocf-space-unit) * 2.75);
    height: calc(var(--ocf-space-unit) * 2.75);
    place-items: center;
    border: var(--card-border-width) solid color-mix(in srgb,var(--ocf-heading-alt) 35%,transparent);
    border-radius: var(--radius-sm);
    background: color-mix(in srgb,var(--ocf-heading-alt) 8%,transparent);
    color: var(--ocf-heading-alt);
}

.ocf-gallery-lightbox__close {
    top: 0;
    right: 0;
    transform: translateY(calc(-100% - calc(var(--ocf-space-unit) * 0.75)));
}

.ocf-gallery-lightbox__nav {
    top: 50%;
    transform: translateY(-50%);
}

.ocf-gallery-lightbox__nav--prev {
    left: 0;
    transform: translate(-50%, -50%);
}

.ocf-gallery-lightbox__nav--next {
    right: 0;
    transform: translate(50%, -50%);
}

.ocf-gallery-lightbox svg,
.ocf-gallery-nav svg {
    display: block;
    width: calc(var(--ocf-space-unit) * 1.25);
    height: calc(var(--ocf-space-unit) * 1.25);
}

@media (max-width: 1023px) {
    .ocf-gallery--slider .ocf-gallery-track {
        --gallery-per-view: 2;
    }
}

@media (max-width: 900px) {
    .ocf-gallery-track {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .ocf-gallery-open img {
        height: var(--ocf-gallery-image-height-mobile);
    }

    .ocf-gallery--slider .ocf-gallery-open img {
        height: var(--ocf-gallery-slider-image-height-mobile);
    }

    .ocf-gallery-archive-intro {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .ocf-gallery-header {
        flex-direction: column;
        align-items: start;
    }

    .ocf-gallery-actions {
        width: 100%;
        justify-content: space-between;
    }

    .ocf-gallery--slider .ocf-gallery-track {
        --gallery-per-view: 1;
    }

    .ocf-gallery-track {
        grid-template-columns: 1fr;
    }

    .ocf-filter-bar {
        gap: calc(var(--ocf-grid-gap) * 0.25);
    }

    .ocf-filter-bar button {
        padding: calc(var(--ocf-grid-gap) * 0.375) calc(var(--ocf-grid-gap) * 0.5625);
    }

    .ocf-gallery-lightbox__nav--prev {
        left: calc(var(--ocf-space-unit) * 0.5);
        transform: translateY(-50%);
    }

    .ocf-gallery-lightbox__nav--next {
        right: calc(var(--ocf-space-unit) * 0.5);
        transform: translateY(-50%);
    }
}