.hx-page .site-wrapper { max-width: 1800px; padding-top: 18px; }
.hx-page .post-back { padding: 4px 0; margin-bottom: 8px; min-height: 44px; }
.hx-hero { margin: 0 0 16px; padding: 0; display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.hx-hero .u-title { font-size: clamp(2.2rem, 4vw, 3.2rem); margin: .15rem 0 0; }
.hx-hero .u-eyebrow { margin: 0; order: 1; }
.hx-demo { position: relative; border: 1px solid var(--rule); background: var(--bg-raised); }
.hx-stage { position: relative; height: clamp(350px, calc(100svh - 216px), 1000px); min-height: 200px; overflow: hidden; }
#hx-canvas, #hx-still { display: block; width: 100%; height: 100%; }
#hx-canvas { visibility: hidden; }
#hx-canvas[data-rotatable="true"] { cursor: grab; touch-action: pinch-zoom; }
#hx-canvas[data-dragging="true"] { cursor: grabbing; }
#hx-still { position: absolute; inset: 0; object-fit: contain; }
.hx-demo[data-ready="true"] #hx-canvas { visibility: visible; }
.hx-demo[data-ready="true"] #hx-still { display: none; }
.hx-stage-heading { position: absolute; left: 24px; top: 22px; display: grid; gap: 3px; pointer-events: none; }
.hx-stage-heading span:first-child { font: 400 1.25rem/1.25 var(--font-heading); color: var(--text); }
.hx-stage-heading span:last-child, .hx-caption { font: 400 .68rem/1.5 var(--font-mono); color: var(--text-dim); }
.hx-rotation-hint { position: absolute; top: 25px; right: 24px; font: 400 .68rem/1.5 var(--font-mono); color: var(--text-dim); pointer-events: none; }
.hx-rotation-hint[hidden] { display: none; }
.hx-rotation-hint span { display: block; text-align: right; }
.hx-rotation-hint span + span { margin-top: 3px; }
.hx-layer-tip { position: absolute; z-index: 2; width: 310px; max-width: calc(100% - 24px); max-height: calc(100% - 24px); overflow-y: auto; padding: 14px 16px; border: 1px solid var(--rule-strong); background: var(--bg-raised); color: var(--text); pointer-events: none; font: 400 .84rem/1.5 var(--font-body); }
.hx-layer-tip[data-pinned="true"] { pointer-events: auto; border-color: var(--accent); }
.hx-layer-tip [hidden] { display: none; }
.hx-layer-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 7px; }
.hx-layer-head .hx-button { padding: 8px; font-size: .75rem; }
.hx-layer-selection { min-height: 4.5em; color: var(--accent); font: 400 .68rem/1.5 var(--font-mono); }
.hx-layer-tip[hidden], .hx-layer-detail[hidden], .hx-density-guide[hidden] { display: none; }
.hx-layer-tip p, .hx-layer-detail p { margin: 0; }
.hx-layer-tip p + p, .hx-layer-detail p + p { margin-top: 7px; }
.hx-layer-title { font: 400 1.15rem/1.3 var(--font-heading); color: var(--text-bright); }
.hx-layer-value { font: 400 .68rem/1.5 var(--font-mono); color: var(--text-dim); }
.hx-density-guide { margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--rule); }
.hx-layer-choices { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.hx-layer-choices .hx-button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent-hover); }
.hx-layer-detail { max-width: 500px; padding: 12px 0; color: var(--text); font: 400 .88rem/1.55 var(--font-body); }
.hx-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.hx-camera-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.hx-camera-tools .hx-note { margin: 0; }
.hx-caption { position: absolute; bottom: 20px; left: 24px; right: 24px; display: flex; justify-content: space-between; gap: 16px; pointer-events: none; }
.hx-status { position: absolute; left: 24px; right: 24px; bottom: 54px; max-width: 44rem; padding: 10px 14px; background: var(--bg-raised); color: var(--text); border-left: 2px solid var(--accent); font: 400 .85rem/1.5 var(--font-body); }
.hx-status[hidden] { display: none; }
.hx-toolbar.pillbar { max-width: none; border: 0; border-top: 1px solid var(--rule); border-radius: 0; box-shadow: none; padding: 10px 14px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.hx-button, .hx-events button { min-width: 44px; min-height: 44px; padding: 8px 14px; border: 1px solid var(--rule); border-radius: 3px; background: var(--bg-raised); color: var(--text); font: 400 .88rem/1.2 var(--font-body); cursor: pointer; }
.hx-button:hover, .hx-events button:hover { border-color: var(--accent); color: var(--accent-hover); }
.hx-button:disabled { cursor: default; opacity: .5; }
.hx-primary { background: var(--accent); border-color: var(--accent); color: var(--bg-raised); min-width: 80px; }
.hx-primary:hover { background: var(--accent-hover); color: var(--bg-raised); }
.hx-clock { font: 400 .75rem/1.3 var(--font-mono); color: var(--text-dim); margin-left: auto; padding: 8px; }
.hx-instruments { padding: 24px; border-top: 1px solid var(--rule); }
.hx-instruments[hidden], .hx-instruments [hidden] { display: none; }
.hx-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.hx-fields label, .hx-timeline { display: grid; gap: 6px; font: 400 .72rem/1.5 var(--font-mono); color: var(--text-dim); }
.hx-fields select { width: 100%; min-width: 0; min-height: 44px; border: 1px solid var(--rule); border-radius: 3px; background: var(--bg); color: var(--text); padding: 8px; font: 400 .9rem/1.3 var(--font-body); }
.hx-instruments input[type="range"] { width: 100%; height: 44px; accent-color: var(--accent); cursor: pointer; }
.hx-timeline { margin-top: 20px; grid-template-columns: 1fr auto; }
.hx-timeline input { grid-column: 1 / -1; }
.hx-events { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 14px; }
.hx-events button { font-size: .8rem; }
.hx-readouts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; padding: 22px 0; margin: 12px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.hx-readouts dt { font: 400 .68rem/1.5 var(--font-mono); color: var(--text-dim); }
.hx-readouts dd { font: 400 1.35rem/1.5 var(--font-mono); color: var(--text); }
.hx-note { max-width: 850px; margin: 10px 0; font: 400 .84rem/1.65 var(--font-body); color: var(--text-dim); }
.hx-lines { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0; }
.hx-line { font: 400 .72rem/1.5 var(--font-mono); color: var(--text); }
.hx-swatch { display: inline-block; width: 12px; height: 12px; margin-right: 8px; vertical-align: -1px; }
.hx-explanation { max-width: 780px; margin: 2rem auto 0; }
.hx-explanation details > p { padding: 0 0 1rem; font-size: 1rem; }
.hx-explanation .u-collapse { margin-top: 1.5rem; }
.hx-demo:fullscreen, .hx-demo.hx-pseudo-fullscreen { border: 0; width: 100%; height: 100dvh; display: flex; flex-direction: column; background: var(--bg-raised); }
.hx-demo.hx-pseudo-fullscreen { position: fixed; inset: 0; z-index: 1000; }
.hx-demo:fullscreen .hx-stage, .hx-pseudo-fullscreen .hx-stage { flex: 1; height: auto; min-height: 0; }
.hx-demo:fullscreen .hx-instruments, .hx-pseudo-fullscreen .hx-instruments { position: absolute; right: 16px; top: 16px; bottom: 76px; width: min(510px, calc(100% - 32px)); overflow-y: auto; background: var(--bg-raised); border: 1px solid var(--rule); padding: 18px; }
.hx-demo:fullscreen .hx-fields, .hx-pseudo-fullscreen .hx-fields { grid-template-columns: 1fr 1fr; }
.hx-demo:fullscreen .hx-readouts, .hx-pseudo-fullscreen .hx-readouts { grid-template-columns: 1fr 1fr; }
.hx-demo :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (max-width: 650px) {
  .hx-page .site-wrapper { padding-top: 12px; }
  .hx-hero .u-eyebrow { display: none; }
  .hx-stage { height: max(380px, calc(100svh - 196px)); }
  .hx-stage-heading { left: 16px; top: 16px; }
  .hx-rotation-hint { right: 16px; top: 19px; font-size: .62rem; }
  .hx-rotation-hint span + span { margin-top: 24px; }
  .hx-caption { left: 16px; right: 16px; bottom: 16px; flex-direction: column; gap: 3px; font-size: .62rem; }
  .hx-toolbar.pillbar { padding: 8px; gap: 6px; }
  .hx-button { padding: 8px 10px; font-size: .8rem; }
  .hx-clock { display: none; }
  #hx-fullscreen { margin-left: auto; }
  .hx-instruments { padding: 16px; }
  .hx-fields { grid-template-columns: 1fr; gap: 12px; }
  .hx-readouts { grid-template-columns: 1fr 1fr; gap: 16px; }
  .hx-readouts dd { font-size: 1.1rem; }
  .hx-lines { grid-template-columns: 1fr; }
  .hx-status { left: 16px; right: 16px; bottom: 68px; }
}
@media (max-height: 500px) and (min-width: 651px) {
  .hx-layer-selection { min-height: 0; }
  .hx-page .site-wrapper { padding-top: 8px; }
  .hx-page .post-back { margin-bottom: 4px; }
  .hx-hero { margin-bottom: 8px; }
  .hx-hero .u-title { font-size: 2rem; }
  .hx-hero .u-eyebrow { display: none; }
  .hx-stage { height: max(200px, calc(100svh - 170px)); }
}
@media (prefers-reduced-motion: reduce) { .hx-page { scroll-behavior: auto; } }