.cb-masonry-gallery {
  --cb-masonry-columns: 4;
  --cb-masonry-gap: 16px;
  column-count: var(--cb-masonry-columns);
  column-gap: var(--cb-masonry-gap);
}

.cb-masonry-gallery__item {
  display: block;
  break-inside: avoid;
  margin: 0 0 var(--cb-masonry-gap);
  cursor: zoom-in;
  overflow: hidden;
  background: #f5f5f5;
}

.cb-masonry-gallery__item--offset:nth-child(4n+2) { margin-top: 26px; }
.cb-masonry-gallery__item--offset:nth-child(4n+3) { margin-top: 9px; }
.cb-masonry-gallery__item--offset:nth-child(4n+4) { margin-top: 42px; }

.cb-masonry-gallery__image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .28s ease, filter .28s ease;
}

.cb-masonry-gallery__item:hover .cb-masonry-gallery__image,
.cb-masonry-gallery__item:focus .cb-masonry-gallery__image {
  transform: scale(1.025);
  filter: brightness(.96);
}

.cb-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.92);
}
.cb-lightbox.is-open { display: flex; }
.cb-lightbox__image {
  max-width: min(94vw, 1800px);
  max-height: 90vh;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform .2s ease;
}
.cb-lightbox__image.is-zoomed { transform: scale(1.6); cursor: zoom-out; }
.cb-lightbox__button {
  position: absolute;
  border: 0;
  background: rgba(255,255,255,.14);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}
.cb-lightbox__button:hover { background: rgba(255,255,255,.25); }
.cb-lightbox__close { top: 22px; right: 22px; }
.cb-lightbox__prev { left: 22px; top: 50%; transform: translateY(-50%); }
.cb-lightbox__next { right: 22px; top: 50%; transform: translateY(-50%); }
.cb-lightbox__counter { position: absolute; left: 22px; bottom: 18px; color: #fff; font: 14px/1.4 system-ui, sans-serif; }

@media (max-width: 1024px) { .cb-masonry-gallery { column-count: 3; } }
@media (max-width: 720px) { .cb-masonry-gallery { column-count: 2; } }
@media (max-width: 440px) { .cb-masonry-gallery { column-count: 1; } }