.origins-page {
  background: #f1ede4;
}

.origins-page main {
  overflow: clip;
  background:
    radial-gradient(ellipse 68% 24% at 76% 14%, rgba(85, 118, 111, 0.055), transparent 70%),
    radial-gradient(ellipse 48% 18% at 18% 58%, rgba(197, 163, 90, 0.052), transparent 72%),
    linear-gradient(to bottom, #f1ede4 0%, #f4f0e8 28%, #ece6da 56%, #f5f2ea 78%, #202321 100%);
}

.gallery-status {
  display: none;
  margin-left: 28px;
  margin-right: auto;
  color: currentColor;
  font-size: 11px;
  letter-spacing: 0.18em;
  opacity: 0.62;
}

.origins-header.is-gallery .gallery-status {
  display: inline-flex;
}

.origins-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(420px, 0.95fr) minmax(360px, 0.85fr);
  gap: 8vw;
  align-items: center;
  min-height: 100svh;
  min-height: 760px;
  padding: 140px 5vw 100px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(28, 29, 27, 0.035) 1px, transparent 1px) 0 0 / 12.5vw 100%,
    #f1ede4;
}

.origin-lines {
  position: absolute;
  top: 16vh;
  right: 7vw;
  bottom: 12vh;
  display: flex;
  gap: 18px;
  pointer-events: none;
}

.origin-lines i {
  width: 1px;
  opacity: 0.38;
  background: var(--line-color);
  transform: scaleY(0);
  transform-origin: top;
  animation: originLineIn 900ms var(--ease-out) calc(1600ms + var(--line-index, 0ms)) both;
}

.origin-lines i:nth-child(2) { animation-delay: 1720ms; }
.origin-lines i:nth-child(3) { animation-delay: 1840ms; }
.origin-lines i:nth-child(4) { animation-delay: 1960ms; }
.origin-lines i:nth-child(5) { animation-delay: 2080ms; }

.origins-hero__copy {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.hall-mark {
  display: grid;
  gap: 4px;
  margin-bottom: 48px;
  color: var(--ink-soft);
  font-size: 12px;
  letter-spacing: 0.2em;
  line-height: 1.5;
  opacity: 0;
  animation: fadeUp 800ms var(--ease-out) 500ms both;
}

.hall-mark span {
  color: var(--ink-light);
  font-size: 11px;
}

.origins-hero h1 {
  display: grid;
  gap: 8px;
  font-family: var(--serif);
  font-size: clamp(72px, 10vw, 150px);
  font-weight: 500;
  line-height: 0.94;
  letter-spacing: 0.03em;
}

.origins-hero h1 span {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 900ms var(--ease-out) 700ms both;
}

.origins-hero h1 span:last-child {
  animation-delay: 900ms;
}

.origins-hero__line {
  margin-top: 38px;
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 26px);
  opacity: 0;
  animation: fadeUp 850ms var(--ease-out) 1150ms both;
}

.origins-hero__text {
  max-width: 520px;
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 2;
  opacity: 0;
  animation: fadeUp 850ms var(--ease-out) 1350ms both;
}

.order-columns {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 1.4vw, 22px);
  min-height: 560px;
}

.order-columns button {
  position: relative;
  width: clamp(44px, 4.8vw, 76px);
  height: var(--col-height, 440px);
  overflow: visible;
  color: var(--ink);
  background:
    linear-gradient(to bottom, rgba(255, 255, 255, 0.24), transparent 38%),
    var(--tone);
  transform: scaleY(0);
  transform-origin: bottom center;
  transition: opacity 520ms var(--ease-out), transform 520ms var(--ease-out);
  animation: columnRise 900ms var(--ease-out) 1600ms both;
}

.order-columns button:nth-child(1) { --col-height: 460px; }
.order-columns button:nth-child(2) { --col-height: 380px; animation-delay: 1720ms; }
.order-columns button:nth-child(3) { --col-height: 520px; animation-delay: 1840ms; }
.order-columns button:nth-child(4) { --col-height: 330px; animation-delay: 1960ms; color: #353631; }
.order-columns button:nth-child(5) { --col-height: 440px; animation-delay: 2080ms; color: var(--warm-white); }

.order-columns button:nth-child(2) small {
  color: rgba(28, 29, 27, 0.86);
}

.order-columns:hover button {
  opacity: 0.62;
  transform: scaleX(0.86);
}

.order-columns button:hover,
.order-columns button:focus-visible {
  z-index: 3;
  opacity: 1;
  transform: scaleX(1.22);
}

.order-columns span {
  position: absolute;
  left: 50%;
  bottom: 18px;
  font-family: var(--serif);
  font-size: 30px;
  transform: translateX(-50%);
}

.order-columns button::after {
  content: "";
  position: absolute;
  left: 50%;
  top: calc(100% + 8px);
  width: 1px;
  height: 14px;
  background: currentColor;
  opacity: 0;
  transform: translateX(-50%) scaleY(0);
  transform-origin: top;
  transition: opacity 360ms var(--ease-out), transform 520ms var(--ease-out);
}

.order-columns small {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: calc(100% + 30px);
  width: 8em;
  color: rgba(28, 29, 27, 0.86);
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: 0.08em;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -4px);
  transition: opacity 360ms var(--ease-out), transform 360ms var(--ease-out);
}

.order-columns button:hover::after,
.order-columns button:focus-visible::after {
  opacity: 0.5;
  transform: translateX(-50%) scaleY(1);
}

.order-columns button:hover small,
.order-columns button:focus-visible small {
  opacity: 1;
  transform: translate(-50%, 0);
}

.five-system-section,
.derived-colors-section,
.ritual-colors-section {
  position: relative;
  padding: 160px 5vw 180px;
}

.five-system-section {
  --wash-color: #f4f0e8;
  --wash-x: 50%;
  --wash-y: 50%;
  min-height: 100vh;
  overflow: hidden;
  isolation: isolate;
  background-color: #f4f0e8;
  background-image:
    radial-gradient(circle 520px at var(--system-x, 50%) var(--system-y, 50%), var(--system-glow, rgba(197, 163, 90, 0.11)), transparent 72%),
    linear-gradient(to bottom, rgba(241, 237, 228, 0), rgba(244, 240, 232, 0.68));
  transition: background-color 1200ms cubic-bezier(0.16, 1, 0.3, 1), color 900ms var(--ease-out);
}

.five-system-section::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: var(--wash-x);
  top: var(--wash-y);
  width: 120vmax;
  height: 120vmax;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(circle, color-mix(in srgb, var(--wash-color) 74%, transparent) 0 7%, color-mix(in srgb, var(--wash-color) 38%, transparent) 18%, transparent 58%),
    radial-gradient(circle at 42% 47%, color-mix(in srgb, var(--wash-color) 42%, transparent), transparent 34%);
  filter: blur(18px);
  transform: translate(-50%, -50%) scale(0.04);
  transform-origin: center;
  transition: opacity 900ms var(--ease-out), transform 1200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.five-system-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background:
    radial-gradient(ellipse 62% 42% at 50% 48%, rgba(255,255,255,0.18), transparent 68%),
    linear-gradient(90deg, rgba(28,29,27,0.04) 1px, transparent 1px) 0 0 / 12.5vw 100%;
}

.five-system-section > * {
  position: relative;
  z-index: 1;
}

.five-system-section .section-title {
  width: min(90vw, 1040px);
  margin-inline: auto;
}

.section-title__row {
  display: flex;
  align-items: center;
  gap: clamp(22px, 4vw, 52px);
}

.five-system-subtitle {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 68px;
  padding: 11px 22px;
  border: 1px solid rgba(28, 29, 27, 0.18);
  background: rgba(244, 240, 232, 0.62);
  color: var(--ink);
}

.five-system-subtitle b {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 500;
  line-height: 1;
}

.five-system-subtitle span {
  display: block;
  padding-left: 14px;
  border-left: 1px solid rgba(28, 29, 27, 0.16);
  color: var(--ink-light);
  font-size: 11px;
  line-height: 1.55;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.five-system-section.is-washing::before {
  opacity: 0.72;
  transform: translate(-50%, -50%) scale(1.35);
}

.five-system-section.is-dark-wash {
  color: var(--warm-white);
}

.five-system-section.is-dark-wash .section-title p,
.five-system-section.is-dark-wash .section-title__index,
.five-system-section.is-dark-wash .five-node span,
.five-system-section.is-dark-wash .system-bridge,
.five-system-section.is-dark-wash .five-orbit__relation {
  color: rgba(238, 233, 221, 0.72);
}

.five-system-section.is-dark-wash .five-system-subtitle {
  border-color: rgba(238, 233, 221, 0.36);
  color: var(--warm-white);
}

.five-system-section.is-dark-wash .five-system-subtitle span {
  color: rgba(238, 233, 221, 0.72);
  border-left-color: rgba(238, 233, 221, 0.2);
}

.five-orbit {
  position: relative;
  width: min(84vw, 1000px);
  aspect-ratio: 2.04;
  margin: 72px auto 0;
  isolation: isolate;
}

.five-orbit::before,
.five-orbit::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.five-orbit::before {
  inset: 10% 16%;
  border: 1px solid rgba(28, 29, 27, 0.1);
  background:
    radial-gradient(circle at 50% 50%, rgba(197, 163, 90, 0.09), transparent 38%),
    linear-gradient(90deg, transparent calc(50% - 0.5px), rgba(28,29,27,0.16) 50%, transparent calc(50% + 0.5px)),
    linear-gradient(0deg, transparent calc(50% - 0.5px), rgba(28,29,27,0.1) 50%, transparent calc(50% + 0.5px));
}

.five-orbit::after {
  left: 50%;
  top: 50%;
  width: min(34vw, 360px);
  aspect-ratio: 1;
  border: 1px solid rgba(28, 29, 27, 0.08);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(244,240,232,0.58) 0 22%, transparent 23%),
    conic-gradient(from -45deg, rgba(75,137,131,0.12), rgba(169,50,38,0.1), rgba(212,172,13,0.13), rgba(245,245,240,0.38), rgba(26,26,26,0.08), rgba(75,137,131,0.12));
  opacity: 0.78;
  transform: translate(-50%, -50%);
}

.five-orbit__lines {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.five-orbit__lines line {
  stroke: rgba(28, 29, 27, 0.22);
  stroke-width: 0.18;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke 420ms var(--ease-out), stroke-dashoffset 700ms var(--ease-out);
}

.five-orbit.is-visible .five-orbit__lines line {
  stroke-dashoffset: 0;
}

.five-node {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 12px;
  min-width: 150px;
  color: var(--ink);
  text-align: center;
  transition: opacity 420ms var(--ease-out), color 420ms var(--ease-out), transform 420ms var(--ease-out);
}

.five-node::before {
  content: "";
  justify-self: center;
  width: 34px;
  height: 2px;
  background: var(--node-color);
  opacity: 0.72;
  transform: scaleX(0.72);
  transition: opacity 420ms var(--ease-out), transform 420ms var(--ease-out);
}

.five-node b {
  font-family: var(--serif);
  font-size: clamp(68px, 7vw, 100px);
  font-weight: 500;
  line-height: 1;
}

.five-node span {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
  transition: color 900ms var(--ease-out);
}

.five-node:hover::before,
.five-node:focus-visible::before,
.five-node.is-wash-source::before {
  opacity: 1;
  transform: scaleX(1.3);
}

.five-node--qing { left: 10%; top: 2%; }
.five-node--chi { right: 10%; top: 2%; }
.five-node--huang {
  left: 50%;
  top: 50%;
  min-width: 180px;
  transform: translate(-50%, -32%);
}
.five-node--bai { left: 10%; bottom: 6%; }
.five-node--hei { right: 10%; bottom: 6%; }

.five-orbit:has(.five-node:hover) .five-node,
.five-orbit:has(.five-node:focus-visible) .five-node {
  opacity: 0.34;
}

.five-orbit .five-node:hover,
.five-orbit .five-node:focus-visible {
  color: var(--node-color);
  opacity: 1;
}

.five-system-section.is-washing .five-node {
  opacity: 0.36;
}

.five-system-section.is-washing .five-node.is-wash-source {
  color: var(--wash-foreground, var(--ink));
  opacity: 1;
  transform: translateY(-6px);
}

.five-system-section.is-washing .five-node.is-wash-source span {
  color: var(--wash-foreground, var(--ink));
}

.five-system-section.is-washing .five-node--huang.is-wash-source {
  transform: translate(-50%, -32%) translateY(-6px);
}

.five-orbit[data-active="qing"] .line-qing { stroke: #55766f; }
.five-orbit[data-active="chi"] .line-chi { stroke: #a84a3f; }
.five-orbit[data-active="huang"] .line-huang { stroke: #d4ac0d; }
.five-orbit[data-active="bai"] .line-bai { stroke: #aaa69d; }
.five-orbit[data-active="hei"] .line-hei { stroke: #252927; }

.five-orbit__relation {
  position: absolute;
  left: 50%;
  bottom: -78px;
  width: min(640px, 72vw);
  color: var(--ink-soft);
  font-family: var(--serif);
  padding-top: 20px;
  border-top: 1px solid rgba(28, 29, 27, 0.12);
  font-size: 18px;
  line-height: 1.8;
  text-align: center;
  transform: translateX(-50%);
  transition: color 900ms var(--ease-out);
}

.system-bridge {
  max-width: 680px;
  margin: 88px auto 0;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px);
  text-align: center;
}

.scroll-gallery {
  position: relative;
  height: var(--gallery-height, 620vh);
  background: #e9eee9;
}

.scroll-gallery__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

.scroll-gallery__track {
  display: flex;
  height: 100%;
  will-change: transform;
}

.gallery-kicker,
.gallery-count {
  position: absolute;
  z-index: 8;
  top: 96px;
  color: var(--gallery-ui, var(--ink));
  transition: color 420ms var(--ease-out);
}

.gallery-kicker {
  left: 5vw;
  display: grid;
  gap: 4px;
  font-size: 13px;
  letter-spacing: 0.16em;
}

.gallery-kicker small {
  color: currentColor;
  font-size: 10px;
  letter-spacing: 0.2em;
  opacity: 0.62;
}

.gallery-count {
  right: 5vw;
  display: flex;
  gap: 18px;
  align-items: baseline;
  font-size: 12px;
  letter-spacing: 0.2em;
}

.gallery-count b {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 500;
}

.orthodox-panel {
  position: relative;
  flex: 0 0 108vw;
  height: 100%;
  overflow: hidden;
  padding: 160px 7vw 96px;
  color: var(--panel-ink);
  background: var(--panel-bg);
}

.orthodox-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0%, rgba(241, 237, 228, 0.72) 96%, rgba(241, 237, 228, 0.94) 100%),
    radial-gradient(ellipse 46% 32% at 68% 54%, color-mix(in srgb, var(--panel-color) 14%, transparent), transparent 70%);
}

.orthodox-panel--qing { --panel-color:#55766f; --panel-bg:#e9eee9; --panel-ink:#23312d; }
.orthodox-panel--chi { --panel-color:#a84a3f; --panel-bg:#f0e8e3; --panel-ink:#2f211e; }
.orthodox-panel--huang { --panel-color:#c5a35a; --panel-bg:#f1ecd9; --panel-ink:#2f2a1d; }
.orthodox-panel--bai { --panel-color:#aaa69d; --panel-bg:#f5f2ea; --panel-ink:#2d2d29; }
.orthodox-panel--hei { --panel-color:#3b403d; --panel-bg:#202321; --panel-ink:#eee9dd; }

.orthodox-panel__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(210px, 0.52fr) minmax(360px, 0.78fr) minmax(360px, 0.8fr);
  gap: 5vw;
  align-items: center;
  height: 100%;
}

.orthodox-panel--chi .orthodox-panel__inner {
  grid-template-columns: minmax(360px, 0.8fr) minmax(360px, 0.78fr) minmax(210px, 0.52fr);
}

.orthodox-panel--huang .orthodox-panel__inner {
  grid-template-columns: minmax(300px, 0.8fr) minmax(260px, 0.58fr) minmax(300px, 0.8fr);
}

.orthodox-panel__glyph {
  color: var(--panel-color);
  font-family: var(--serif);
  font-size: clamp(140px, 18vw, 250px);
  font-weight: 500;
  line-height: 0.9;
  opacity: 0.12;
  transition: opacity 650ms var(--ease-out), transform 650ms var(--ease-out);
}

.orthodox-panel--bai .orthodox-panel__glyph {
  color: transparent;
  -webkit-text-stroke: 1px #9f9b91;
  text-stroke: 1px #9f9b91;
}

.orthodox-panel--hei .orthodox-panel__glyph {
  color: transparent;
  -webkit-text-stroke: 1px rgba(238, 233, 221, 0.72);
  text-stroke: 1px rgba(238, 233, 221, 0.72);
}

.orthodox-panel.is-active .orthodox-panel__glyph {
  opacity: 0.96;
  transform: translateY(-10px);
}

.orthodox-panel__copy {
  display: grid;
  gap: 28px;
  color: var(--panel-ink);
  opacity: 0.72;
  transform: translateY(18px);
  transition: opacity 650ms var(--ease-out), transform 650ms var(--ease-out);
}

.orthodox-panel.is-active .orthodox-panel__copy {
  opacity: 1;
  transform: translateY(0);
}

.orthodox-panel__copy h2 {
  font-family: var(--serif);
  font-size: clamp(52px, 6vw, 86px);
  font-weight: 520;
  line-height: 1;
}

.orthodox-panel__copy h2 span {
  display: block;
  margin-top: 12px;
  color: currentColor;
  font: 12px/1.5 var(--sans);
  letter-spacing: 0.22em;
  opacity: 0.62;
}

.orthodox-panel__text {
  max-width: 470px;
  font-size: 16px;
  line-height: 2;
}

.culture-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 12px 24px;
  max-width: 380px;
  padding-top: 24px;
  border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent);
}

.culture-tags span {
  display: grid;
  gap: 3px;
  color: currentColor;
  font-family: var(--serif);
  font-size: 22px;
}

.culture-tags small {
  color: currentColor;
  font: 12px/1.5 var(--sans);
  letter-spacing: 0.18em;
  opacity: 0.56;
}

.artifact-plate {
  position: relative;
  min-height: 430px;
  border: 1px solid color-mix(in srgb, currentColor 14%, transparent);
  overflow: hidden;
  background:
    radial-gradient(ellipse 42% 28% at 50% 45%, color-mix(in srgb, var(--panel-color) 22%, transparent), transparent 70%),
    linear-gradient(135deg, rgba(255,255,255,0.22), rgba(255,255,255,0));
  transform: scale(0.97);
  transition: transform 650ms var(--ease-out), background 650ms var(--ease-out);
}

.orthodox-panel.is-active .artifact-plate {
  transform: scale(1);
}

.artifact-plate:hover,
.artifact-plate.is-pointer-active {
  transform: scale(1.025);
}

.artifact-plate::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.08), transparent 32%, rgba(28,29,27,0.12)),
    radial-gradient(ellipse 74% 52% at 50% 48%, transparent 48%, color-mix(in srgb, var(--panel-bg) 58%, transparent));
  pointer-events: none;
}

.artifact-plate::after {
  content: "";
  position: absolute;
  inset: 18px;
  z-index: 2;
  border: 1px solid color-mix(in srgb, currentColor 16%, transparent);
  pointer-events: none;
}

.artifact-plate img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.94) contrast(0.98);
  transform: scale(1.03);
  transition: transform 900ms var(--ease-out), filter 900ms var(--ease-out);
}

.orthodox-panel--huang .artifact-plate img,
.orthodox-panel--bai .artifact-plate img {
  object-position: center 45%;
}

.orthodox-panel--hei .artifact-plate img {
  filter: saturate(0.9) contrast(1.04) brightness(0.88);
}

.artifact-plate:hover img,
.artifact-plate.is-pointer-active img {
  filter: saturate(1.02) contrast(1);
  transform: scale(1.08);
}

.artifact-label {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  color: currentColor;
  max-width: 470px;
}

.artifact-label strong {
  display: block;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 500;
}

.artifact-label span,
.artifact-label p {
  display: block;
  margin-top: 6px;
  color: currentColor;
  font-size: 13px;
  line-height: 1.7;
  opacity: 0.66;
}

.derived-strip {
  display: none;
}

.color-chip {
  position: relative;
  display: grid;
  align-content: end;
  width: clamp(80px, 7vw, 112px);
  height: 62px;
  padding: 9px;
  color: var(--chip-ink, #1c1d1b);
  background: var(--chip-color);
  transform-origin: bottom center;
  transition: transform 260ms var(--ease-out), opacity 420ms var(--ease-out);
}

.color-chip:hover,
.color-chip:focus-visible {
  transform: translateY(-4px) scaleY(1.12);
}

.color-chip b {
  font-weight: 500;
}

.color-chip span {
  display: none;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  opacity: 0.72;
}

.color-chip:hover span,
.color-chip:focus-visible span {
  display: block;
}

.orthodox-panel--after {
  flex-basis: 70vw;
  display: grid;
  place-items: center;
  background: linear-gradient(90deg, #202321, #f4f0e8);
  color: var(--warm-white);
}

.orthodox-panel--after p {
  max-width: 560px;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.4;
}

.gallery-progress {
  position: absolute;
  z-index: 8;
  right: 70px;
  bottom: 34px;
  display: grid;
  grid-template-columns: repeat(5, 44px);
  gap: 18px;
  justify-content: center;
  color: var(--gallery-ui, var(--ink));
}

.gallery-progress i {
  position: absolute;
  left: 0;
  right: 0;
  top: 11px;
  height: 1px;
  background:
    linear-gradient(90deg, currentColor calc(var(--gallery-progress, 0) * 100%), color-mix(in srgb, currentColor 18%, transparent) 0);
  opacity: 0.7;
}

.gallery-progress button {
  position: relative;
  display: grid;
  gap: 12px;
  justify-items: center;
  min-height: 44px;
  color: currentColor;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.gallery-progress button::before {
  content: "";
  width: 9px;
  height: 9px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: var(--panel-bg, #f1ede4);
  transition: background 260ms var(--ease-out), transform 260ms var(--ease-out);
}

.gallery-progress button.is-active::before {
  background: currentColor;
  transform: scale(1.35);
}

.derived-colors-section {
  background: #f4f0e8;
}

.spectrum-list {
  display: grid;
  gap: 46px;
  margin-top: 82px;
}

.spectrum-row {
  --family-color: #55766f;
  display: grid;
  grid-template-columns: minmax(128px, 178px) 1fr;
  gap: clamp(24px, 5vw, 72px);
  align-items: stretch;
  padding: 42px 0 54px;
  border-top: 1px solid var(--line);
}

.spectrum-heading {
  display: grid;
  align-content: start;
  gap: 16px;
  padding-top: 10px;
}

.spectrum-heading::before {
  content: "";
  width: 42px;
  height: 2px;
  background: var(--family-color);
}

.spectrum-heading h3 {
  font-family: var(--serif);
  font-size: clamp(34px, 3.6vw, 50px);
  font-weight: 500;
  line-height: 1.1;
}

.spectrum-heading p {
  max-width: 10em;
  color: var(--ink-light);
  font-size: 13px;
  line-height: 1.8;
}

.spectrum-swatches {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
  min-height: 0;
  padding: 16px;
  border: 1px solid rgba(28, 29, 27, 0.1);
  background:
    linear-gradient(90deg, rgba(28,29,27,0.035) 1px, transparent 1px) 0 0 / 33.333% 100%,
    linear-gradient(to bottom, rgba(255,255,255,0.48), rgba(255,255,255,0.12));
}

.spectrum-swatches .color-chip {
  display: grid;
  grid-template-rows: 1fr auto auto;
  width: auto;
  min-width: 0;
  min-height: 176px;
  height: auto;
  padding: 12px;
  overflow: hidden;
  color: var(--ink);
  background: rgba(244, 240, 232, 0.68);
  border: 1px solid rgba(28, 29, 27, 0.07);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 420ms var(--ease-out), transform 320ms var(--ease-out), background 320ms var(--ease-out);
}

.spectrum-swatches .color-chip::before {
  content: "";
  display: block;
  align-self: end;
  min-height: var(--spectrum-height, 104px);
  background:
    linear-gradient(to bottom, rgba(255,255,255,0.26), transparent 48%, rgba(0,0,0,0.08)),
    var(--chip-color);
  box-shadow: 0 18px 34px color-mix(in srgb, var(--chip-color) 16%, transparent);
  transition: transform 300ms var(--ease-out), box-shadow 300ms var(--ease-out), filter 300ms var(--ease-out);
}

.spectrum-swatches .color-chip::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 54px;
  height: 1px;
  background: color-mix(in srgb, var(--chip-color) 48%, rgba(28,29,27,0.12));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms var(--ease-out);
}

.spectrum-swatches .color-chip:hover::after,
.spectrum-swatches .color-chip:focus-visible::after {
  transform: scaleX(1);
}

.spectrum-swatches .color-chip:hover::before,
.spectrum-swatches .color-chip:focus-visible::before {
  filter: saturate(1.08);
  transform: translateY(-6px) scaleY(1.05);
  box-shadow: 0 24px 44px color-mix(in srgb, var(--chip-color) 24%, transparent);
}

.spectrum-swatches .color-chip:nth-child(2) { --spectrum-height: 118px; }
.spectrum-swatches .color-chip:nth-child(3) { --spectrum-height: 96px; }
.spectrum-swatches .color-chip:nth-child(4) { --spectrum-height: 126px; }
.spectrum-swatches .color-chip:nth-child(5) { --spectrum-height: 88px; }
.spectrum-swatches .color-chip:nth-child(6) { --spectrum-height: 110px; }

.spectrum-swatches .color-chip b {
  display: block;
  margin-top: 13px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.4;
  text-align: left;
}

.spectrum-swatches .color-chip span {
  display: block;
  color: var(--ink-light);
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1.6;
  text-align: left;
  opacity: 0.74;
  transition: opacity 260ms var(--ease-out);
}

.spectrum-swatches .color-chip:hover span,
.spectrum-swatches .color-chip:focus-visible span {
  opacity: 1;
}

.spectrum-row.is-visible .color-chip {
  opacity: 1;
  transform: translateY(0);
  transition-delay: calc(var(--chip-index) * 55ms);
}

.spectrum-row.is-visible .color-chip:hover,
.spectrum-row.is-visible .color-chip:focus-visible {
  background: rgba(248, 245, 238, 0.9);
  transform: translateY(-6px);
  transition-delay: 0ms;
}

.ritual-colors-section {
  background:
    radial-gradient(ellipse 58% 22% at 18% 18%, rgba(168, 74, 63, 0.06), transparent 74%),
    radial-gradient(ellipse 68% 28% at 82% 64%, rgba(85, 118, 111, 0.07), transparent 76%),
    #eee9df;
}

.ritual-scene {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(320px, 0.75fr);
  gap: 5vw;
  align-items: center;
  width: min(90vw, 1180px);
  margin: 96px auto 0;
}

.ritual-scene--palace {
  grid-template-columns: minmax(320px, 0.75fr) minmax(360px, 1fr);
}

.ritual-scene--vessel {
  grid-template-columns: 1fr;
}

.ritual-visual {
  position: relative;
  min-height: 380px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.22), rgba(255,255,255,0)),
    var(--scene-bg, #55766f);
}

.ritual-scene--cloth .ritual-visual { --scene-bg:#8d4a42; }
.ritual-scene--palace .ritual-visual { --scene-bg:#b28a45; }
.ritual-scene--vessel .ritual-visual { --scene-bg:#344943; min-height: 500px; }

.ritual-visual::before {
  content: "";
  position: absolute;
  inset: 9%;
  z-index: 2;
  border: 1px solid rgba(255,255,255,0.24);
  pointer-events: none;
}

.ritual-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to bottom, rgba(28,29,27,0.06), transparent 30%, rgba(28,29,27,0.18)),
    radial-gradient(ellipse 70% 42% at 50% 44%, transparent, rgba(28,29,27,0.22));
  pointer-events: none;
}

.ritual-visual img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.94) contrast(0.98);
  transform: scale(1.02);
  transition: transform 1000ms var(--ease-out), filter 1000ms var(--ease-out);
}

.ritual-scene--cloth .ritual-visual img {
  object-position: center 45%;
}

.ritual-scene--palace .ritual-visual img {
  object-position: center 54%;
}

.ritual-scene--vessel .ritual-visual img {
  object-position: center 52%;
}

.ritual-visual:hover img {
  filter: saturate(1.02) contrast(1);
  transform: scale(1.06);
}

.ritual-visual span {
  position: absolute;
  z-index: 3;
  right: 28px;
  bottom: -12px;
  color: rgba(255,255,255,0.34);
  font-family: var(--serif);
  font-size: clamp(150px, 18vw, 260px);
  line-height: 0.9;
}

.ritual-copy h3 {
  font-family: var(--serif);
  font-size: clamp(48px, 5vw, 74px);
  font-weight: 500;
}

.ritual-copy p {
  max-width: 520px;
  margin-top: 24px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 2;
}

.origins-closing {
  position: relative;
  display: grid;
  min-height: 80vh;
  place-items: center;
  overflow: hidden;
  padding: 120px 5vw;
  color: var(--warm-white);
  background: #202321;
}

.origins-closing::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 44% 40% at 34% 42%, rgba(75,137,131,0.2), transparent 70%),
    linear-gradient(90deg, rgba(9,10,9,0.82), rgba(9,10,9,0.34) 48%, rgba(9,10,9,0.78));
  pointer-events: none;
}

.origins-closing__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.72;
  filter: saturate(0.94) contrast(1.02);
}

.vessel-outline {
  z-index: 2;
  position: absolute;
  right: 8vw;
  bottom: -4vh;
  width: min(36vw, 430px);
  aspect-ratio: 0.72;
  border: 1px solid rgba(238, 233, 221, 0.14);
  border-radius: 46% 46% 18% 18% / 28% 28% 18% 18%;
  opacity: 0.46;
  transition: background 650ms var(--ease-out), border-color 650ms var(--ease-out);
}

.origins-closing:hover .vessel-outline {
  border-color: rgba(130, 155, 151, 0.45);
  background: rgba(130, 155, 151, 0.1);
}

.origins-closing__copy {
  position: relative;
  z-index: 3;
  width: min(86vw, 1080px);
}

.origins-closing h2 {
  font-family: var(--serif);
  font-size: clamp(46px, 5.4vw, 78px);
  font-weight: 500;
  line-height: 1.34;
}

.origins-closing p {
  max-width: 620px;
  margin-top: 30px;
  color: rgba(238, 233, 221, 0.72);
  font-size: 18px;
  line-height: 2;
}

.origins-closing a {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  min-height: 54px;
  margin-top: 54px;
  letter-spacing: 0.12em;
}

.origins-closing a span {
  color: rgba(238, 233, 221, 0.54);
  font-size: 11px;
}

.origins-closing a i {
  font-style: normal;
  transition: transform 300ms var(--ease-out);
}

.origins-closing a:hover i,
.origins-closing a:focus-visible i {
  transform: translateX(8px);
}

.color-drawer,
.drawer-backdrop {
  position: fixed;
  opacity: 0;
  pointer-events: none;
}

.drawer-backdrop {
  inset: 0;
  z-index: 180;
  background: rgba(28, 29, 27, 0.2);
}

.color-drawer {
  z-index: 181;
  top: 0;
  right: 0;
  width: min(500px, 92vw);
  height: 100vh;
  overflow-y: auto;
  background: #f1ede4;
  color: var(--ink);
  box-shadow: -20px 0 70px rgba(28, 29, 27, 0.18);
  transform: translateX(100%);
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1), opacity 240ms var(--ease-out);
}

.drawer-open .color-drawer,
.drawer-open .drawer-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.drawer-open .color-drawer {
  transform: translateX(0);
}

.drawer-close {
  position: absolute;
  z-index: 2;
  top: 22px;
  right: 22px;
  min-height: 44px;
  padding-inline: 12px;
  color: var(--ink);
  letter-spacing: 0.12em;
}

.drawer-swatch {
  height: 210px;
  background: var(--drawer-color, #6e8b8b);
}

.drawer-content {
  padding: 42px;
}

.drawer-content h2 {
  font-family: var(--serif);
  font-size: clamp(58px, 7vw, 86px);
  font-weight: 500;
  line-height: 1;
}

.drawer-content > p:first-of-type {
  margin-top: 12px;
  color: var(--ink-light);
  font-size: 12px;
  letter-spacing: 0.22em;
}

.drawer-values {
  display: grid;
  gap: 10px;
  margin-top: 34px;
}

.drawer-values button {
  display: flex;
  justify-content: space-between;
  min-height: 46px;
  padding: 10px 14px;
  border: 1px solid var(--line);
}

.drawer-values span {
  font-variant-numeric: tabular-nums;
}

.drawer-values b {
  font-weight: 400;
}

.drawer-content dl {
  display: grid;
  gap: 14px;
  margin-top: 38px;
}

.drawer-content dl div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-light);
}

.drawer-content dt {
  color: var(--ink-light);
}

.drawer-content dd {
  color: var(--ink);
}

.drawer-description {
  margin-top: 32px;
  color: var(--ink-soft);
  line-height: 2;
}

@keyframes columnRise {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@keyframes originLineIn {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@media (max-width: 1199px), (prefers-reduced-motion: reduce) {
  .origins-hero {
    grid-template-columns: 1fr;
    gap: 48px;
    min-height: 100svh;
    padding-top: 110px;
  }

  .order-columns {
    align-items: flex-start;
    justify-content: flex-start;
    min-height: 440px;
    padding-top: 24px;
    padding-bottom: 110px;
    overflow: visible;
  }

  .order-columns button {
    height: clamp(140px, 24vw, 220px);
  }

  .order-columns button:hover,
  .order-columns button:focus-visible {
    transform: scaleX(1.08);
  }

  .order-columns:hover button {
    transform: scaleX(0.94);
  }

  .order-columns:hover button:hover,
  .order-columns button:focus-visible {
    transform: scaleX(1.08);
  }

  .order-columns small {
    top: calc(100% + 8px);
    width: max-content;
    max-width: 8em;
    font-size: 11px;
    line-height: 1.45;
    color: rgba(28, 29, 27, 0.82);
    text-shadow: 0 1px 12px rgba(255,255,255,0.22);
  }

  .order-columns button:nth-child(2) small,
  .order-columns button:nth-child(5) small {
    color: rgba(28, 29, 27, 0.82);
    text-shadow: 0 1px 12px rgba(255,255,255,0.24);
  }

  .order-columns button::after {
    top: calc(100% + 4px);
    height: 8px;
  }

  .five-system-section,
  .derived-colors-section,
  .ritual-colors-section {
    padding: 100px 5vw;
  }

  .section-title__row {
    display: grid;
    gap: 18px;
  }

  .five-system-subtitle {
    width: fit-content;
    min-height: 62px;
    padding: 10px 18px;
  }

  .five-system-subtitle b {
    font-size: 28px;
  }

  .five-system-subtitle span {
    font-size: 11px;
  }

  .five-orbit {
    display: grid;
    gap: 12px;
    width: 100%;
    aspect-ratio: auto;
    margin-top: 62px;
    padding: 18px 0 0;
  }

  .five-orbit::before,
  .five-orbit::after {
    display: none;
  }

  .five-node {
    position: static;
    transform: none;
  }

  .five-orbit__lines {
    display: none;
  }

  .five-node {
    grid-template-columns: 82px 34px 1fr;
    align-items: center;
    gap: 0 16px;
    min-width: 0;
    min-height: 82px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line-light);
    text-align: left;
    pointer-events: auto;
  }

  .five-node::before {
    content: "";
    width: 22px;
    height: 1px;
    background: var(--node-color);
    justify-self: center;
    grid-column: 2;
    grid-row: 1;
    align-self: center;
  }

  .five-node b {
    grid-column: 1;
    grid-row: 1;
    font-size: 58px;
    justify-self: start;
    opacity: 0.96;
  }

  .five-node span {
    display: block;
    grid-column: 3;
    color: var(--ink-soft);
    font-size: 13px;
    line-height: 1.75;
  }

  .five-node.is-expanded span,
  .five-node:hover span,
  .five-node:focus-visible span {
    display: block;
  }

  .five-system-section.is-washing .five-node.is-wash-source,
  .five-system-section.is-washing .five-node--huang.is-wash-source {
    transform: none;
  }

  .five-orbit__relation {
    position: static;
    width: auto;
    margin-top: 22px;
    padding-top: 22px;
    font-size: 20px;
    text-align: left;
    transform: none;
  }

  .scroll-gallery {
    height: auto !important;
  }

  .scroll-gallery__sticky {
    position: relative;
    height: auto;
    overflow: visible;
  }

  .gallery-kicker,
  .gallery-count,
  .gallery-progress {
    display: none;
  }

  .scroll-gallery__track {
    display: block;
    height: auto;
    transform: none !important;
  }

  .orthodox-panel {
    min-height: 90vh;
    padding: 100px 5vw;
  }

  .orthodox-panel::before {
    background: radial-gradient(ellipse 76% 26% at 80% 20%, color-mix(in srgb, var(--panel-color) 13%, transparent), transparent 72%);
  }

  .orthodox-panel__inner,
  .orthodox-panel--chi .orthodox-panel__inner,
  .orthodox-panel--huang .orthodox-panel__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 34px;
    height: auto;
  }

  .orthodox-panel__glyph {
    font-size: clamp(100px, 30vw, 160px);
    opacity: 0.9;
  }

  .artifact-plate {
    min-height: 320px;
    aspect-ratio: 4 / 3;
  }

  .artifact-plate img {
    min-height: 320px;
  }

  .derived-strip {
    overflow-x: auto;
    padding-bottom: 10px;
    scrollbar-width: none;
  }

  .derived-strip::-webkit-scrollbar {
    display: none;
  }

  .orthodox-panel--after {
    min-height: 58vh;
  }

  .spectrum-row,
  .ritual-scene,
  .ritual-scene--palace,
  .ritual-scene--vessel {
    grid-template-columns: 1fr;
  }

  .ritual-scene--palace .ritual-copy {
    order: 2;
  }

  .ritual-scene--palace .ritual-visual {
    order: 1;
  }

  .spectrum-row {
    gap: 28px;
    padding-block: 34px 44px;
  }

  .spectrum-heading {
    grid-template-columns: auto 1fr;
    align-items: end;
  }

  .spectrum-heading::before {
    align-self: center;
  }

  .spectrum-heading p {
    max-width: none;
  }

  .spectrum-swatches {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-height: 0;
    gap: 12px;
    padding: 12px;
    overflow-x: visible;
    scrollbar-width: none;
  }

  .spectrum-swatches .color-chip {
    min-height: 156px;
    padding: 10px;
  }

  .spectrum-swatches .color-chip::before {
    min-height: 92px;
  }

  .spectrum-swatches .color-chip b {
    font-size: 19px;
  }

  .spectrum-swatches::-webkit-scrollbar {
    display: none;
  }

  .ritual-visual {
    min-height: 300px;
  }

  .color-drawer {
    top: auto;
    bottom: 0;
    width: 100%;
    height: 75vh;
    transform: translateY(100%);
  }

  .drawer-open .color-drawer {
    transform: translateY(0);
  }

  .color-drawer::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 50%;
    width: 52px;
    height: 3px;
    border-radius: 999px;
    background: rgba(28, 29, 27, 0.2);
    transform: translateX(-50%);
  }
}

@media (max-width: 640px) {
  .origins-hero h1 {
    font-size: clamp(68px, 24vw, 112px);
  }

  .origin-lines {
    right: 5vw;
    gap: 10px;
    opacity: 0.6;
  }

  .order-columns {
    gap: 9px;
  }

  .order-columns button::after {
    display: none;
  }

  .culture-tags {
    grid-template-columns: 1fr;
  }

  .spectrum-swatches .color-chip {
    min-width: 0;
  }

  .drawer-content {
    padding: 34px 24px;
  }
}