/* A repeating four-card composition, independent of uploaded image dimensions. */
.portfolio-masonry {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: clamp(210px, 22vw, 320px);
  gap: 18px;
}
.portfolio-masonry .portfolio-item {
  position: relative; display: block; min-width: 0; overflow: hidden;
  grid-column: span 1; grid-row: span 1; margin: 0;
  background: var(--olive); color: #fff; isolation: isolate;
}
.portfolio-masonry .portfolio-item:nth-child(8n + 1),
.portfolio-masonry .portfolio-item:nth-child(8n + 7) { grid-column: span 2; grid-row: span 2; }
.portfolio-masonry .portfolio-item:nth-child(4n) { grid-column: span 2; }
.portfolio-masonry .portfolio-item img {
  display: block; width: 100%; height: 100%; aspect-ratio: auto;
  object-fit: cover; object-position: center; transition: transform .6s ease;
}
.portfolio-masonry .portfolio-item::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 30%, rgba(12,17,12,.18) 50%, rgba(12,17,12,.87));
}
.portfolio-masonry .portfolio-item .project-meta {
  position: absolute; inset-inline: 22px; bottom: 22px; padding: 0; z-index: 1;
  display: block;
}
.portfolio-masonry .project-meta h3 { font-size: clamp(17px, 1.5vw, 23px); line-height: 1.35; margin: 0; color: #fff; }
.portfolio-masonry .project-meta p { color: rgba(255,255,255,.85); font-size: 12px; line-height: 1.65; margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.portfolio-masonry .project-meta > span { display: block; margin-top: 10px; color: rgba(255,255,255,.7); font-size: 10px; }
.portfolio-masonry .portfolio-item:hover img { transform: scale(1.035); }
.portfolio-masonry .portfolio-item:focus-visible { outline: 3px solid var(--olive); outline-offset: 5px; }
/* Complete partial groups on filtered pages, without leaving empty grid cells. */
.portfolio-masonry .portfolio-item:last-child:nth-child(4n + 1) { grid-column: span 4; grid-row: span 1; }
.portfolio-masonry .portfolio-item:nth-last-child(2):nth-child(4n + 1),
.portfolio-masonry .portfolio-item:last-child:nth-child(4n + 2) { grid-column: span 2; grid-row: span 1; }
.portfolio-masonry .portfolio-item:nth-last-child(3):nth-child(4n + 1) { grid-column: span 2; grid-row: span 2; }
.portfolio-masonry .portfolio-item:nth-last-child(2):nth-child(4n + 2),
.portfolio-masonry .portfolio-item:last-child:nth-child(4n + 3) { grid-column: span 2; grid-row: span 1; }
.portfolio-masonry .portfolio-item:only-child { grid-column: span 4; grid-row: span 2; }

/* Project photos keep their complete composition; columns pack away empty rows. */
.gallery-grid {
  display: block; columns: 3; column-gap: 18px;
}
.gallery-grid img, .gallery-grid img:first-child {
  display: block; width: 100%; height: auto; min-height: 0;
  margin: 0 0 18px; break-inside: avoid; object-fit: contain;
  background: transparent; cursor: zoom-in;
}
.gallery-grid:has(img:only-child) { columns: 1; max-width: 760px; }
.gallery-grid:has(img:nth-child(2):last-child) { columns: 2; }

@media (max-width: 1024px) {
  .portfolio-masonry { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: clamp(280px, 42vw, 430px); gap: 16px; }
  .portfolio-masonry .portfolio-item:nth-child(n) { grid-column: span 1; grid-row: span 1; }
  .portfolio-masonry .portfolio-item:last-child:nth-child(odd) { grid-column: span 2; }
  .gallery-grid { columns: 2; column-gap: 16px; }
  .gallery-grid img, .gallery-grid img:first-child { margin-bottom: 16px; }
}
@media (max-width: 600px) {
  .portfolio-masonry { grid-template-columns: minmax(0, 1fr); grid-auto-rows: auto; gap: 16px; }
  .portfolio-masonry .portfolio-item:nth-child(n) { grid-column: auto; grid-row: auto; aspect-ratio: 4 / 5; }
  .portfolio-masonry .portfolio-item .project-meta { inset-inline: 22px; bottom: 24px; }
  .portfolio-masonry .project-meta h3 { font-size: 22px; }
  .gallery-grid, .gallery-grid:has(img:nth-child(2):last-child) { columns: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .portfolio-masonry .portfolio-item img { transition: none; }
  .portfolio-masonry .portfolio-item:hover img { transform: none; }
}