:root {
  color-scheme: light;
  --paper: #f1f0eb;
  --ink: #11110f;
  --muted: #73716a;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Courier New", Courier, monospace;
  font-size: 11px;
  letter-spacing: .04em;
  overflow-x: hidden;
}

.page {
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 28px 32px 24px;
}

.masthead, footer {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  text-transform: uppercase;
  line-height: 1.25;
}

.wordmark {
  width: 112px;
  height: 76px;
  color: inherit;
  text-decoration: none;
  overflow: hidden;
}
.logo-crop { position: relative; display: block; width: 112px; height: 76px; overflow: hidden; }
.logo-crop img { position: absolute; width: 134px; max-width: none; height: 134px; left: -11px; top: -29px; display: block; }
.edition { margin: 0; text-align: center; }

main { min-height: 0; }

main { position: relative; overflow: hidden; }
.viewer {
  transition: opacity .38s ease, transform .5s cubic-bezier(.22, 1, .36, 1);
}
.details-open .viewer {
  opacity: 0;
  transform: translateX(-7%);
  pointer-events: none;
}
.detail-state {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  grid-template-rows: auto 1fr;
  padding: 18px 0 30px;
  background: var(--paper);
  overflow-y: auto;
  opacity: 0;
  transform: translateX(7%);
  visibility: hidden;
  pointer-events: none;
  transition: opacity .38s ease, transform .5s cubic-bezier(.22, 1, .36, 1), visibility 0s .5s;
}
.details-open .detail-state {
  opacity: 1;
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}
.details-back {
  border: 0;
  padding: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  letter-spacing: inherit;
  text-transform: uppercase;
  cursor: pointer;
}
.details-back { width: max-content; align-self: start; }
.details-back:hover { color: var(--muted); }
.details-trigger {
  position: absolute;
  right: 0;
  top: 18px;
  z-index: 4;
  border: 0;
  padding: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  letter-spacing: inherit;
  text-transform: uppercase;
  cursor: pointer;
}
.details-trigger[hidden] { display: none; }
.details-trigger:hover { color: var(--muted); }
.detail-grid {
  align-self: center;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
  width: min(100%, 920px);
  margin: 0 auto;
  padding-top: 18px;
  border-top: 1px solid rgba(17, 17, 15, .22);
}
.detail-state p { margin: 0; }
.description-label {
  color: var(--muted);
  text-transform: uppercase;
  line-height: 1.5;
}
.detail-copy h1 {
  margin: 0 0 30px;
  font: inherit;
  font-size: 11px;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.detail-copy .detail-intro {
  max-width: 620px;
  margin: 0 0 34px;
  font-size: clamp(22px, 2.6vw, 38px);
  line-height: 1.15;
  letter-spacing: -.035em;
}
.detail-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 34px;
  max-width: 680px;
  padding-top: 18px;
  border-top: 1px solid rgba(17, 17, 15, .22);
}
.detail-body p {
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .02em;
}
.detail-body p:last-child {
  grid-column: 2;
}
.detail-copy .commerce-panel {
  position: static;
  width: 180px;
  margin-top: 26px;
  text-align: left;
}
.detail-image {
  width: min(100%, 1120px);
  margin: 80px auto 16px;
  padding: clamp(18px, 3.5vw, 52px) clamp(18px, 3.5vw, 52px) clamp(22px, 4vw, 62px);
  background: #fff;
  box-shadow: 0 16px 45px rgba(17, 17, 15, .08);
}
.detail-image img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.detail-image figcaption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.viewer {
  height: 100%;
  min-height: 560px;
  position: relative;
  display: grid;
  place-items: center;
}

#model {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  --poster-color: transparent;
  cursor: grab;
  touch-action: none;
  --progress-bar-height: 0px;
  --progress-bar-color: transparent;
}
#model:active { cursor: grabbing; }
.hidden-progress { display: none; }

.drag-surface {
  position: absolute;
  inset: 0;
  z-index: 1;
  cursor: grab;
  touch-action: none;
  user-select: none;
  outline: none;
}
.drag-surface.dragging { cursor: grabbing; }
.drag-surface:focus-visible { outline: 1px dashed var(--muted); outline-offset: -6px; }

.model-error { position: absolute; left: 50%; top: 50%; margin: 0; transform: translate(-50%, -50%); text-align: center; text-transform: uppercase; }

.loading {
  display: flex;
  gap: 16px;
  z-index: 3;
  padding: 8px;
  background: var(--paper);
  text-transform: uppercase;
  transition: opacity .35s ease;
}
.loading.done { opacity: 0; pointer-events: none; }

.model-index {
  position: absolute;
  left: 0;
  bottom: 18px;
  z-index: 3;
  display: grid;
  gap: 5px;
}

.model-option {
  width: max-content;
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font: inherit;
  letter-spacing: inherit;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
}
.model-option::before { content: "○ "; }
.model-option.active { color: var(--ink); }
.model-option.active::before { content: "● "; }
.model-option:hover { color: var(--ink); }

.commerce-panel {
  position: absolute;
  right: 0;
  bottom: 18px;
  z-index: 4;
  width: 180px;
  text-align: right;
}
.commerce-panel[hidden] { display: none; }
.commerce-label {
  margin: 0 0 6px;
  color: var(--muted);
  text-transform: uppercase;
}

.hint {
  position: absolute;
  bottom: 18px;
  margin: 0;
  color: var(--muted);
  opacity: 0;
  text-transform: uppercase;
  transition: opacity .5s ease .4s;
  pointer-events: none;
  z-index: 2;
}
.hint.visible { opacity: 1; }

footer { align-items: end; }
footer p { margin: 0; }
.coordinates { text-align: center; }
.copyright { text-align: right; }

@media (max-width: 680px) {
  .page { padding: 20px 18px 18px; }
  .masthead { grid-template-columns: 1fr 1fr; }
  .edition { text-align: right; }
  .viewer { min-height: 66svh; }
  footer { grid-template-columns: 1fr 1fr; row-gap: 18px; }
  .coordinates { display: none; }
  .copyright { text-align: right; }
  .hint { bottom: 10px; font-size: 9px; }
  .model-index { bottom: 36px; font-size: 9px; }
  .commerce-panel { right: 0; bottom: 36px; width: 145px; }
  .commerce-label { font-size: 9px; }
  .wordmark, .logo-crop { width: 90px; height: 61px; }
  .logo-crop img { width: 108px; height: 108px; left: -9px; top: -23px; }
  .detail-state { padding-top: 12px; }
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    align-self: start;
    margin-top: 72px;
  }
  .detail-copy > p { font-size: 13px; line-height: 1.6; }
  .detail-copy h1 { margin-bottom: 20px; }
  .detail-copy .detail-intro { margin-bottom: 24px; font-size: 22px; line-height: 1.2; }
  .detail-body { grid-template-columns: 1fr; gap: 14px; }
  .detail-body p { font-size: 12px; line-height: 1.6; }
  .detail-body p:last-child { grid-column: 1; }
  .detail-image { margin-top: 48px; padding: 16px 16px 24px; }
  .detail-image img { aspect-ratio: 3 / 4; object-position: 54% center; }
  .details-trigger { top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .loading, .hint, .viewer, .detail-state { transition: none; }
}