.aurora-photo-gallery__intro {
    text-align: center;
    max-width: 780px;
    margin: 0 auto clamp(32px, 4vw, 62px);
}
.aurora-photo-gallery__title { margin-bottom: 0.4em; }
.aurora-photo-gallery__subtitle { margin: 0 0 1.1em; }
.aurora-photo-gallery__description { max-width: 690px; margin-inline: auto; }
.aurora-photo-gallery__description > :last-child { margin-bottom: 0; }
.aurora-photo-gallery__grid {
    --aurora-photo-gallery-gap: 22px;
    position: relative;
}
.aurora-photo-gallery__sizer,
.aurora-photo-gallery__item {
    width: calc((100% - (var(--aurora-photo-gallery-gap) * 2)) / 3);
}
.aurora-photo-gallery__gutter { width: var(--aurora-photo-gallery-gap); }
.aurora-photo-gallery__item {
    display: block;
    margin-bottom: var(--aurora-photo-gallery-gap);
    text-decoration: none;
    overflow: hidden;
    line-height: 0;
    border-radius: 4px;
    background-color: rgba(128, 128, 128, 0.07);
}
.aurora-photo-gallery__item img {
    display: block;
    width: 100%;
    height: auto;
    transition: opacity .25s ease;
}
@media (hover: hover) {
    .aurora-photo-gallery__item:hover img { opacity: .82; }
}
.aurora-photo-gallery__item:focus-visible {
    outline: 3px solid var(--bs-primary, currentColor);
    outline-offset: 4px;
}
/* This is only a fallback until Masonry initialises. */
.aurora-photo-gallery__grid:not(.aurora-photo-gallery__grid--ready) {
    display: flex;
    flex-wrap: wrap;
    gap: var(--aurora-photo-gallery-gap);
}
.aurora-photo-gallery__grid:not(.aurora-photo-gallery__grid--ready) .aurora-photo-gallery__item { margin-bottom: 0; }
.aurora-photo-gallery__grid:not(.aurora-photo-gallery__grid--ready) .aurora-photo-gallery__sizer,
.aurora-photo-gallery__grid:not(.aurora-photo-gallery__grid--ready) .aurora-photo-gallery__gutter { display: none; }

@media (max-width: 991px) {
    .aurora-photo-gallery__sizer,
    .aurora-photo-gallery__item {
        width: calc((100% - var(--aurora-photo-gallery-gap)) / 2);
    }
}
@media (max-width: 575px) {
    .aurora-photo-gallery__grid { --aurora-photo-gallery-gap: 16px; }
    .aurora-photo-gallery__sizer,
    .aurora-photo-gallery__item { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    .aurora-photo-gallery__item img { transition: none; }
}
/* PhotoSwipe v5 custom captions, only shown when a meaningful File Manager title exists. */
.pswp__aurora-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    max-width: min(720px, calc(100vw - 40px));
    background: rgba(0, 0, 0, .68);
    color: #fff;
    border-radius: 5px;
    font-size: 14px;
    line-height: 1.45;
    padding: 8px 14px;
    text-align: center;
    pointer-events: none;
}