.experiment-one,
.experiment-memory,
.experiment-three {
  /* Space above the site name, then between the links and headings. */
  --header-top-space: 28px;
  --site-title-links-gap: 12px;
  --links-title-gap: 18px;
  --title-image-gap: 28px;

  /* Smaller gutters, gap, or text minimum let the text stay beside the image longer. */
  --page-gutter: 24px;
  --column-gap: 32px;
  --text-min-width: 280px;
  --text-preferred-width: 400px;
  --stacked-gap: 40px;

  /* Use center, flex-start, or flex-end. */
  --gallery-alignment: center;
  --buttons-alignment: center;

  --carousel-height: clamp(220px, calc(100svh - 320px), 700px);
  --carousel-width: min(1060px, calc(var(--carousel-height) * 1.522));
  --experiment-width: min(
    calc(var(--carousel-width) + var(--column-gap) + var(--text-preferred-width)),
    calc(100% - var(--page-gutter) * 2)
  );
}

.experiment-one .site-header,
.experiment-one .experiment-layout,
.experiment-memory .site-header,
.experiment-memory .experiment-layout,
.experiment-three .site-header,
.experiment-three .experiment-layout {
  width: var(--experiment-width);
}

.experiment-one .site-header,
.experiment-memory .site-header,
.experiment-three .site-header {
  padding-block: var(--header-top-space) 0;
}

.experiment-one .page-nav,
.experiment-memory .page-nav,
.experiment-three .page-nav {
  margin-top: var(--site-title-links-gap);
  margin-bottom: var(--links-title-gap);
}

.experiment-memory-one {
  --carousel-width: calc(var(--carousel-height) * 0.70);
}

.experiment-memory-two {
  --comparison-gap: 16px;
  --photo-note-inset: 8px;
}

.experiment-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: var(--gallery-alignment);
  gap: var(--stacked-gap) var(--column-gap);
  padding-top: var(--title-image-gap);
}

.experiment-layout .experiment-gallery {
  min-width: 0;
  flex: 0 0 min(100%, var(--carousel-width));
}

.experiment-layout .experiment-introduction {
  flex: 1 1 var(--text-min-width);
  min-width: 0;
  margin: 0;
}

.experiment-memory-two .experiment-layout {
  --gallery-width: var(--carousel-width);
  width: min(
    calc(var(--gallery-width) + var(--column-gap) + var(--text-preferred-width)),
    calc(100% - var(--page-gutter) * 2)
  );
}

.experiment-memory-two .experiment-layout .experiment-gallery {
  flex-basis: min(100%, var(--gallery-width));
}

.experiment-memory-two .single-portrait-active {
  --gallery-width: calc(var(--carousel-height) * 0.72);
}

.experiment-memory-two .experiment-layout:has(.experiment-entry:not([hidden]) > .experiment-comparison:not(.experiment-comparison-landscape)) {
  --gallery-width: calc(var(--carousel-height) * 1.4 + var(--comparison-gap));
}

.experiment-memory-two .experiment-layout:has(.experiment-entry:not([hidden]) > .experiment-comparison-landscape) {
  --gallery-width: min(
    calc(var(--carousel-height) * 3.044 + var(--comparison-gap)),
    calc(var(--carousel-width) + var(--column-gap) + var(--text-preferred-width))
  );
}

@media (max-width: 720px) {
  .experiment-one,
  .experiment-memory,
  .experiment-three {
    --page-gutter: 20px;
  }
}

.carousel-enabled .experiment-entries {
  display: block;
}

.carousel-enabled .experiment-entry figure {
  display: grid;
  place-items: center;
  height: var(--carousel-height);
}

.carousel-enabled .experiment-entry img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
}

.experiment-memory-two .experiment-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: var(--comparison-gap);
  max-width: calc(var(--carousel-height) * 1.4 + var(--comparison-gap));
  margin-inline: auto;
}

.experiment-memory-two .experiment-comparison-landscape {
  max-width: calc(var(--carousel-height) * 3.044 + var(--comparison-gap));
}

.experiment-memory-two .experiment-classroom-group {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.experiment-memory-two .experiment-classroom-group .experiment-comparison {
  width: 100%;
}

.experiment-memory-two .experiment-comparison figure {
  display: block;
  height: auto;
}

.experiment-memory-two .experiment-comparison img {
  height: auto;
  max-height: var(--carousel-height);
}

.experiment-memory-two .experiment-classroom-group .experiment-classroom-single {
  display: block;
  width: 100%;
  max-width: var(--carousel-width);
  height: auto;
  margin-inline: auto;
}

.experiment-memory-two .experiment-classroom-single img {
  height: auto;
  max-height: var(--carousel-height);
}

.experiment-photo-note {
  max-width: 75ch;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.experiment-memory-two .experiment-photo-note {
  width: calc(100% - var(--photo-note-inset) * 2);
  max-width: none;
}

.experiment-photo-note p {
  margin: 0 0 16px;
}

.experiment-photo-note p:last-child {
  margin-bottom: 0;
}

.carousel-controls {
  display: flex;
  justify-content: var(--buttons-alignment, center);
  align-items: center;
  gap: 20px;
  margin-top: 24px;
}

.carousel-controls button {
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid #444;
  background: transparent;
  color: var(--foreground);
  font-size: 12px;
}

.carousel-controls button:hover {
  border-color: var(--foreground);
}

.carousel-counter {
  min-width: 7ch;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

.carousel-enabled:focus-visible {
  outline: 1px solid var(--foreground);
  outline-offset: 6px;
}

@media (max-width: 420px) {
  .carousel-controls {
    gap: 12px;
  }
}