main {
  max-inline-size: 96rem;
  margin: auto;
  padding: clamp(1rem, 3vw, 3rem);
  overflow-wrap: anywhere;
}

.intro { max-inline-size: 52rem; margin-block-end: 1.75rem; }
.intro h1 { margin: .6rem 0 1rem; font-size: clamp(2.5rem, 6vw, 5.5rem); line-height: .95; letter-spacing: -.05em; }
.intro p:last-child { margin: 0; color: var(--ink-reading); font-family: var(--font-reading); font-size: 1.125rem; line-height: 1.6; }

button {
  min-block-size: 2.75rem;
  padding: .6rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: .9375rem;
  cursor: pointer;
}
button:hover:not(:disabled, [aria-pressed="true"]) { background: var(--surface-accent); }
button:disabled { opacity: .55; cursor: default; }
button[aria-pressed="true"] { border-color: var(--accent-strong); background: var(--accent-strong); color: var(--canvas); }
summary:focus-visible { outline: 3px solid var(--focus-outline); outline-offset: 3px; }

.viewpoints { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-end: 1rem; }
.viewpoints #reset { margin-inline-start: auto; }

.experience {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 20rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--surface);
}
.scene { display: flex; flex-direction: column; min-inline-size: 0; }
.stage { position: relative; flex: 1; min-block-size: 34rem; background: var(--media-surface); }
.stage > img, .stage > canvas { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; }
.stage > canvas { touch-action: none; }
.caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .25rem 1rem;
  margin: 0;
  padding: .75rem 1rem;
  border-block-start: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: .875rem;
}

aside { padding: 1.5rem; border-inline-start: 1px solid var(--line); }
aside h2 { margin: 0 0 .5rem; font-family: var(--font-reading); font-size: 1.75rem; }
aside > p { color: var(--ink-reading); font-size: 1rem; line-height: 1.5; }
.objects { display: grid; gap: .5rem; margin-block: 1.25rem; }
.objects button { display: grid; gap: .15rem; padding: .7rem .9rem; text-align: start; }
.objects strong { font-weight: 650; }
.objects small { font-size: .875rem; opacity: .85; }
#feedback { min-block-size: 3em; margin: 0; }

.notes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; margin-block: 2.5rem; }
.notes h2 { margin-block-end: .5rem; font-size: 1.125rem; }
.notes p, #native p { margin: 0; color: var(--ink-reading); font-size: 1rem; line-height: 1.65; }

#native { padding-block: .5rem 1.5rem; border-block: 1px solid var(--line); }
#native summary { padding-block: 1rem; font-size: 1.0625rem; font-weight: 650; cursor: pointer; }
.native-visual { max-inline-size: 50rem; margin-block-start: 1rem; aspect-ratio: 14 / 9; }
.environment-controls { margin-block-start: 1rem; }

footer { display: flex; justify-content: space-between; align-items: end; gap: 2rem; padding-block-start: 2rem; color: var(--ink-soft); font-size: .875rem; line-height: 1.7; }
footer nav { display: flex; flex-wrap: wrap; justify-content: end; gap: .25rem 1.25rem; }
footer a { color: var(--accent-strong); }
footer p { margin: 0; }

[hidden] { display: none !important; }

@media (max-width: 64rem) {
  .experience { grid-template-columns: minmax(0, 1fr); }
  .stage { min-block-size: 26rem; }
  aside { border-inline-start: 0; border-block-start: 1px solid var(--line); }
  .objects { grid-template-columns: repeat(auto-fit, minmax(min(12rem, 100%), 1fr)); }
  .notes { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 40rem) {
  .stage { min-block-size: 20rem; }
  .viewpoints #reset { margin-inline-start: 0; }
  footer { display: block; }
  footer nav { justify-content: start; margin-block-start: 1rem; }
}