.portfolio-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(1.4rem, 5vw, 3.4rem) var(--site-pad);
}

.portfolio-section + .portfolio-section {
  border-top: 1px solid var(--color-border);
}

.portfolio-section__header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.3rem;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: clamp(1rem, 3vw, 1.6rem);
}

.portfolio-section__header h2 {
  margin-bottom: 0;
  font-size: clamp(1.7rem, 5.6vw, 3rem);
}

.masonry-gallery {
  display: grid;
  gap: 0.55rem;
}

.gallery-item {
  position: relative;
  min-height: 21rem;
  padding: 0;
  border: 0;
  overflow: hidden;
  background: var(--color-surface);
  color: inherit;
  cursor: zoom-in;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.04);
  transform: scale(1.001);
  transition:
    transform 850ms var(--ease-out),
    filter 850ms var(--ease-out);
}

.gallery-item::after {
  position: absolute;
  inset: auto 1rem 1rem 1rem;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 320ms ease;
  content: "";
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
  transform: scale(1.035);
  filter: saturate(0.96) contrast(1.08);
}

.gallery-item:hover::after,
.gallery-item:focus-visible::after {
  transform: scaleX(1);
}

.lightbox {
  position: fixed;
  z-index: 40;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--site-pad);
  background: rgba(5, 5, 5, 0.92);
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__figure {
  width: min(100%, 72rem);
  margin: 0;
}

.lightbox__figure img {
  width: 100%;
  max-height: 78svh;
  object-fit: contain;
  background: transparent;
}

.lightbox__figure figcaption {
  margin-top: 0.8rem;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lightbox__close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  background: rgba(15, 16, 16, 0.8);
  color: var(--color-text);
}

.lightbox__close::before,
.lightbox__close::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1px;
  background: currentColor;
  content: "";
}

.lightbox__close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.lightbox__close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

@media (min-width: 760px) {
  .masonry-gallery {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-flow: dense;
  }

  .masonry-gallery--wide {
    grid-template-columns: 1.4fr 0.8fr 0.8fr;
  }

  .gallery-item--wide {
    grid-column: span 2;
  }

  .gallery-item--tall {
    grid-row: span 2;
  }
}