.demo-viewer {
  position: fixed;
  inset: 0;
  box-sizing: border-box;
  width: 100%;
  min-width: 100%;
  max-width: 100%;
  height: 100dvh;
  min-height: 100dvh;
  max-height: 100dvh;
  margin: 0;
  overflow: hidden;
  background: var(--charcoal);
}

.demo-viewer::backdrop {
  background: var(--charcoal);
}

.demo-shell {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  height: 100%;
  min-height: 100%;
  padding: clamp(1rem, 2.35vw, 2.5rem) clamp(1rem, 4vw, 4.75rem) clamp(1.5rem, 3vw, 3rem);
  overflow-x: clip;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.demo-header,
.demo-content {
  box-sizing: border-box;
  width: min(100%, 1680px);
  min-width: 0;
  margin-inline: auto;
}

.demo-header {
  position: sticky;
  top: calc(clamp(1rem, 2.35vw, 2.5rem) * -1);
  z-index: 20;
  min-height: 4.35rem;
  padding-top: clamp(1rem, 2.35vw, 2.5rem);
  padding-bottom: 1rem;
  background: var(--charcoal);
}

.demo-header-identity {
  display: grid;
  gap: .38rem;
}

.demo-header-brand,
.demo-header-context {
  margin: 0;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .17em;
  line-height: 1.15;
  text-transform: uppercase;
}

.demo-header-brand {
  color: var(--bronze-soft);
}

.demo-header-context {
  color: rgb(253 249 244 / .82);
  font-size: .56rem;
}

.demo-close {
  flex: 0 0 auto;
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.75rem;
  transition: border-color 160ms var(--ease-ui-out), background-color 160ms var(--ease-ui-out), color 160ms var(--ease-ui-out), transform 140ms var(--ease-ui-out);
}

.demo-close:focus-visible {
  outline: 2px solid var(--bronze-soft);
  outline-offset: 3px;
}

.demo-close:active {
  transform: scale(.96);
}

.demo-content {
  min-width: 0;
  padding-top: clamp(1.25rem, 2.5vw, 2.4rem);
  padding-bottom: 1rem;
}

.demo-viewer[data-demo-mode="zoom"] .demo-content {
  display: grid;
  align-content: start;
}

.zoom-demo {
  display: grid;
  grid-template-columns: minmax(0, 1.58fr) minmax(24rem, 1fr);
  gap: clamp(2.25rem, 4.5vw, 5rem);
  align-items: center;
  min-width: 0;
}

.zoom-artwork-zone,
.zoom-guide {
  min-width: 0;
}

.zoom-artwork-zone {
  display: grid;
  place-items: center;
}

.zoom-canvas {
  width: min(100%, calc(100dvh - 10.25rem));
  height: auto;
  max-width: 100%;
  aspect-ratio: 1;
  border: 1px solid rgb(253 249 244 / .12);
  background: #0b0b0b;
  outline: none;
  isolation: isolate;
}

.zoom-canvas:focus-visible {
  outline: 2px solid var(--bronze-soft);
  outline-offset: 4px;
}

.zoom-guide {
  display: grid;
  gap: clamp(1.35rem, 2.2vw, 2rem);
  align-content: center;
}

.zoom-guide-intro {
  display: grid;
  gap: .9rem;
}

.zoom-guide .demo-kicker {
  margin: 0;
}

.zoom-guide h2 {
  max-width: 13ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.35rem, 3.4vw, 4.25rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.025em;
}

.zoom-guide-copy {
  max-width: 31rem;
  margin: 0;
  color: rgb(253 249 244 / .68);
  font-size: clamp(.82rem, .92vw, .98rem);
  line-height: 1.55;
}

.zoom-instruction-section {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.zoom-instruction-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .75rem;
  align-items: center;
}

.zoom-instruction-heading h3 {
  margin: 0;
  color: var(--bronze-soft);
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .16em;
  line-height: 1;
  text-transform: uppercase;
}

.zoom-instruction-heading span {
  display: block;
  height: 1px;
  background: rgb(253 249 244 / .25);
}

.zoom-instruction-grid {
  display: grid;
  min-width: 0;
}

.zoom-instruction-grid--desktop {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.zoom-instruction-grid--mobile {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.zoom-instruction-item {
  display: grid;
  min-width: 0;
  justify-items: center;
  align-content: start;
  padding: .2rem clamp(.6rem, 1.5vw, 1.25rem);
  text-align: center;
}

.zoom-instruction-grid--desktop .zoom-instruction-item {
  grid-template-rows: clamp(5rem, 7vw, 6.75rem) 1.55rem 1.25rem;
}

.zoom-instruction-item + .zoom-instruction-item {
  border-left: 1px solid rgb(253 249 244 / .18);
}

.zoom-instruction-grid--desktop .zoom-instruction-item img {
  width: auto;
  height: clamp(3.75rem, 5.2vw, 5.1rem);
  max-width: 100%;
  align-self: center;
  justify-self: center;
  object-fit: contain;
}

.zoom-instruction-grid--desktop .zoom-instruction-item img[src$="desktop-pan-left-click-drag.svg"] {
  height: clamp(5rem, 7vw, 6.75rem);
}

.zoom-instruction-grid--mobile .zoom-instruction-item {
  grid-template-columns: minmax(3.8rem, 5.2rem) minmax(0, 1fr);
  grid-template-rows: 1.1rem 2rem;
  gap: clamp(.7rem, 1.5vw, 1.15rem);
  align-items: center;
  align-content: center;
  justify-items: start;
  text-align: left;
}

.zoom-instruction-grid--mobile .zoom-instruction-item img {
  grid-row: 1 / span 2;
  width: auto;
  height: clamp(4.15rem, 6vw, 5.5rem);
  max-width: 100%;
  object-fit: contain;
}

.zoom-instruction-item strong {
  margin-top: .65rem;
  color: var(--ivory);
  font-size: .61rem;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.zoom-instruction-item small {
  margin-top: .28rem;
  color: rgb(253 249 244 / .62);
  font-size: .72rem;
  line-height: 1.35;
}

.zoom-instruction-grid--mobile .zoom-instruction-item strong {
  display: flex;
  width: 100%;
  align-self: end;
  align-items: end;
  margin-top: 0;
}

.zoom-instruction-grid--mobile .zoom-instruction-item small {
  display: flex;
  width: 100%;
  align-self: start;
  align-items: start;
  margin-top: 0;
}

.zoom-instruction-grid--desktop .zoom-instruction-item strong,
.zoom-instruction-grid--desktop .zoom-instruction-item small {
  display: flex;
  width: 100%;
  justify-content: center;
  margin-top: 0;
}

.zoom-instruction-grid--desktop .zoom-instruction-item strong {
  align-items: end;
}

.zoom-instruction-grid--desktop .zoom-instruction-item small {
  align-items: start;
}

.zoom-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .65rem;
  margin-top: .2rem;
  padding-top: clamp(1.15rem, 2vw, 1.65rem);
  border-top: 1px solid rgb(253 249 244 / .25);
}

.zoom-controls button {
  min-height: 3rem;
  padding: .72rem .6rem;
  transition: border-color 160ms var(--ease-ui-out), background-color 160ms var(--ease-ui-out), color 160ms var(--ease-ui-out), transform 140ms var(--ease-ui-out);
}

.zoom-controls button:focus-visible {
  outline: 2px solid var(--bronze-soft);
  outline-offset: 3px;
}

.zoom-controls button:active {
  transform: scale(.98);
}

@media (hover: hover) and (pointer: fine) {
  .demo-close:hover {
    border-color: var(--ivory);
    background: var(--ivory);
    color: var(--charcoal);
  }

  .zoom-controls button:not([aria-pressed="true"]):hover {
    border-color: var(--bronze-soft);
  }
}

@media (max-width: 1120px) {
  .zoom-demo {
    grid-template-columns: minmax(0, 1.38fr) minmax(21rem, .82fr);
    gap: clamp(1.75rem, 3.5vw, 3rem);
  }

  .zoom-guide {
    gap: 1.25rem;
  }

  .zoom-guide h2 {
    font-size: clamp(2.2rem, 3.8vw, 3.35rem);
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item img {
    height: clamp(3.45rem, 5.1vw, 4.4rem);
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item {
    grid-template-rows: clamp(4.4rem, 7vw, 5.6rem) 1.55rem 1.25rem;
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item img[src$="desktop-pan-left-click-drag.svg"] {
    height: clamp(4.4rem, 7vw, 5.6rem);
  }

  .zoom-instruction-grid--mobile .zoom-instruction-item img {
    height: clamp(3.9rem, 6vw, 4.9rem);
  }
}

@media (max-width: 820px) {
  .demo-shell {
    padding-inline: clamp(1rem, 4vw, 2rem);
  }

  .zoom-demo {
    grid-template-columns: 1fr;
    gap: 2.4rem;
    align-items: start;
  }

  .zoom-canvas {
    width: min(100%, 42rem);
    max-height: none;
  }

  .zoom-guide {
    width: min(100%, 42rem);
    margin-inline: auto;
  }
}

@media (max-width: 520px) {
  .demo-shell {
    padding: .85rem .9rem 1.35rem;
    scrollbar-gutter: auto;
  }

  .demo-header {
    top: -.85rem;
    min-height: 4rem;
    padding-top: .85rem;
    padding-bottom: .75rem;
  }

  .demo-header-brand {
    font-size: .58rem;
  }

  .demo-header-context {
    font-size: .5rem;
  }

  .demo-close {
    width: 2.55rem;
    height: 2.55rem;
  }

  .demo-content {
    padding-top: 1rem;
  }

  .zoom-demo {
    gap: 1.75rem;
  }

  .zoom-guide {
    gap: 1.35rem;
  }

  .zoom-guide-intro {
    gap: .75rem;
  }

  .zoom-guide h2 {
    max-width: 11ch;
    font-size: clamp(2.15rem, 11vw, 2.85rem);
  }

  .zoom-guide-copy {
    font-size: .82rem;
  }

  .zoom-instruction-section--mobile {
    order: 2;
  }

  .zoom-controls {
    order: 3;
  }

  .zoom-instruction-section--desktop {
    order: 4;
    opacity: .72;
  }

  .zoom-instruction-grid--mobile {
    grid-template-columns: 1fr;
    gap: .75rem;
  }

  .zoom-instruction-grid--mobile .zoom-instruction-item {
    grid-template-columns: 4.25rem minmax(0, 1fr);
    min-height: 5.75rem;
    padding: .55rem 0;
  }

  .zoom-instruction-grid--mobile .zoom-instruction-item + .zoom-instruction-item {
    border-top: 1px solid rgb(253 249 244 / .18);
    border-left: 0;
  }

  .zoom-instruction-grid--mobile .zoom-instruction-item img {
    height: 4.2rem;
  }

  .zoom-instruction-grid--desktop {
    grid-template-columns: 1fr;
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item {
    grid-template-columns: 3.8rem minmax(0, 1fr);
    grid-template-rows: 1.1rem 2rem;
    gap: .8rem;
    min-height: 4.65rem;
    align-items: center;
    justify-items: start;
    padding: .55rem 0;
    text-align: left;
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item + .zoom-instruction-item {
    border-top: 1px solid rgb(253 249 244 / .14);
    border-left: 0;
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item img {
    grid-row: 1 / span 2;
    height: 3.2rem;
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item img[src$="desktop-pan-left-click-drag.svg"] {
    height: 4.4rem;
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item strong,
  .zoom-instruction-grid--desktop .zoom-instruction-item small {
    grid-column: 2;
    justify-content: start;
    margin-top: 0;
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item strong {
    grid-row: 1;
  }

  .zoom-instruction-grid--desktop .zoom-instruction-item small {
    grid-row: 2;
  }

  .zoom-controls {
    gap: .4rem;
    padding-top: 1.1rem;
  }

  .zoom-controls button {
    min-height: 2.8rem;
    padding-inline: .35rem;
    font-size: .57rem;
    letter-spacing: .065em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-close,
  .zoom-controls button {
    transition-duration: .01ms;
  }
}