/* The artwork is the interface: browse, narrow the grid, inspect, return. */
.gallery-experience {
  --gallery-gap: 14px;
  --gallery-sticky-top: 100px;
  padding-block: clamp(56px, 7vw, 104px);
  color: var(--text-primary);
}

.gallery-shell {
  width: min(1440px, calc(100% - 80px));
  margin-inline: auto;
}

.gallery-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.gallery-heading h2 {
  margin: 0;
  font: 500 clamp(38px, 5.2vw, 64px)/1.08 var(--font-heading);
  letter-spacing: -.065em;
  text-wrap: balance;
}

.gallery-controls { min-height: 44px; display: none; align-items: center; }
[data-gallery-ready] .gallery-controls { display: flex; }

.gallery-density {
  display: none;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

[data-gallery-ready] .gallery-density { display: flex; }

.gallery-density button,
.gallery-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  font: 600 12px/1 var(--font-body);
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.gallery-density button:hover,
.gallery-back:hover {
  color: var(--text-primary);
  background: var(--bg-elev-1);
}

.gallery-density button[aria-pressed='true'] {
  color: var(--text-primary);
  border-color: var(--line-strong);
  background: var(--bg-elev-1);
}

.gallery-density button:focus-visible,
.gallery-back:focus-visible {
  outline: 2px solid var(--outline);
  outline-offset: 4px;
}

.gallery-back { gap: 10px; color: var(--text-secondary); }
.gallery-back > span { font-size: 18px; font-weight: 400; }
.gallery-back[hidden], .gallery-density[hidden] { display: none; }

.gallery-stage {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: var(--gallery-gap);
  height: clamp(360px, calc(100svh - 300px), 640px);
  isolation: isolate;
}

.gallery-tile {
  position: relative;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
  margin: 0;
  border-radius: 4px;
  background: var(--bg-elev-1);
}

.gallery-tile > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-tile[hidden] { display: none !important; }

.gallery-image-fallback {
  position: absolute;
  left: 50%;
  top: 50%;
  color: var(--text-secondary);
  font: 400 12px/1.5 var(--font-body);
  white-space: nowrap;
  transform: translate(-50%, -50%);
}

.gallery-image-fallback[hidden] { display: none; }
.gallery-tile[data-gallery-failed] > img { visibility: hidden; }

.gallery-select {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
  color: inherit;
  cursor: zoom-in;
}

.gallery-select:focus-visible {
  outline: var(--gallery-focus-width, 2px) solid var(--outline);
  outline-offset: calc(-2 * var(--gallery-focus-width, 2px));
  background: color-mix(in srgb, var(--bg-elev-1) 8%, transparent);
}

[data-gallery-inspecting] .gallery-select { display: none; }

.gallery-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Explicit choices remain useful without a scroll scene. */
[data-gallery-mode='static'][data-gallery-count='4'] .gallery-stage {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

[data-gallery-mode='static'][data-gallery-count='2'] .gallery-stage {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
}

[data-gallery-mode='static'][data-gallery-count='1'] .gallery-stage {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
}

[data-gallery-mode='static'][data-gallery-count='2'] .gallery-tile,
[data-gallery-mode='static'][data-gallery-count='1'] .gallery-tile {
  background: transparent;
}

[data-gallery-mode='static'][data-gallery-count='2'] .gallery-tile > img,
[data-gallery-mode='static'][data-gallery-count='1'] .gallery-tile > img {
  object-fit: contain;
}

@media (min-width: 1000px) and (min-height: 760px) and (prefers-reduced-motion: no-preference) {
  [data-gallery-mode='scroll'] .gallery-sticky {
    position: sticky;
    top: var(--gallery-sticky-top);
  }

  [data-gallery-mode='scroll'][data-gallery-ready] .gallery-stage { overflow: hidden; }

  [data-gallery-mode='scroll'][data-gallery-ready] .gallery-tile {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-origin: 0 0;
  }

  [data-gallery-mode='scroll'][data-gallery-ready] .gallery-tile > img {
    object-fit: fill;
    transform-origin: 0 0;
  }
}

@media (max-width: 999px) {
  .gallery-experience { --gallery-gap: 10px; }
  .gallery-shell { width: calc(100% - 40px); }
  .gallery-heading { align-items: start; flex-direction: column; gap: 18px; }
  .gallery-heading h2 { font-size: clamp(38px, 7vw, 62px); }
  .gallery-stage {
    height: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
    grid-auto-rows: auto;
  }
  .gallery-tile { aspect-ratio: 4 / 3; }
  [data-gallery-mode='static'][data-gallery-count='2'] .gallery-tile { aspect-ratio: 3 / 4; }
  [data-gallery-mode='static'][data-gallery-count='2'] .gallery-tile,
[data-gallery-mode='static'][data-gallery-count='1'] .gallery-tile { aspect-ratio: 3 / 2; }
}

@media (max-width: 480px) {
  .gallery-experience { padding-block: 52px; --gallery-gap: 8px; }
  .gallery-heading { margin-bottom: 22px; }
  [data-gallery-mode='static'][data-gallery-count='2'] .gallery-stage { grid-template-columns: minmax(0, 1fr); }
  .gallery-heading h2 { font-size: 40px; max-width: 10ch; }
}

@media (prefers-reduced-motion: reduce) {
  .gallery-experience * { animation: none !important; transition: none !important; }
}