:root {
  color-scheme: dark;
  --genesis-black: #050606;
  --genesis-graphite: #0b0d0d;
  --genesis-paper: #f1ede3;
  --genesis-muted: rgba(241, 237, 227, 0.65);
  --genesis-faint: rgba(241, 237, 227, 0.38);
  --genesis-line: rgba(241, 237, 227, 0.14);
  --genesis-gold: #d8bd79;
  --genesis-violet: #9b83ba;
  --genesis-cyan: #8ac7cb;
  --genesis-edge: clamp(1.1rem, 4vw, 4.75rem);
  --genesis-column: min(100% - (var(--genesis-edge) * 2), 118rem);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

body.genesis-v03,
body.genesis-v04 {
  margin: 0;
  color: var(--genesis-paper);
  background:
    linear-gradient(rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.014) 1px, transparent 1px),
    radial-gradient(circle at 78% 9%, rgba(155, 131, 186, 0.09), transparent 28rem),
    var(--genesis-black);
  background-size: 72px 72px, 72px 72px, auto, auto;
  font-family: Inter, system-ui, sans-serif;
}

.genesis-v03 main,
.genesis-v04 main {
  min-height: 100vh;
}

.genesis-v03 a,
.genesis-v04 a {
  color: inherit;
}

.genesis-v03 a:focus-visible,
.genesis-v03 button:focus-visible,
.genesis-v04 a:focus-visible,
.genesis-v04 button:focus-visible,
.genesis-v04 summary:focus-visible {
  outline: 2px solid var(--genesis-gold);
  outline-offset: 4px;
}

.genesis-v04 :is(
  .genesis-chronology,
  .genesis-lineage,
  .genesis-archaeology,
  .historical-ledgers,
  .genesis-chronicle,
  .genesis-boundary
):focus-visible {
  outline: 1px solid var(--genesis-gold);
  outline-offset: 8px;
}

.genesis-hero {
  width: var(--genesis-column);
  min-height: min(82vh, 58rem);
  margin: 0 auto;
  padding: clamp(5.25rem, 10vh, 8rem) 0 clamp(3.5rem, 8vh, 6.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(24rem, 0.8fr);
  gap: clamp(2rem, 7vw, 9rem);
  align-items: center;
}

.genesis-kicker,
.era__index,
.evidence-label,
.evidence-state,
.lineage-node text,
.lineage-ledger__relation {
  margin: 0;
  color: var(--genesis-gold);
  font: 600 0.72rem/1.35 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.genesis-hero h1 {
  max-width: 15ch;
  margin: 1.25rem 0 1.4rem;
  font-size: clamp(3.25rem, 7.2vw, 8.6rem);
  font-weight: 800;
  line-height: 0.86;
  letter-spacing: -0.07em;
}

.genesis-hero h1 span,
.genesis-boundary h2 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(216, 189, 121, 0.72);
}

.genesis-lede {
  max-width: 46rem;
  margin: 0;
  color: var(--genesis-muted);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.75;
}

.genesis-hero__actions,
.genesis-boundary nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.1rem;
}

.genesis-action {
  min-height: 2.9rem;
  padding: 0.8rem 1rem;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--genesis-line);
  border-radius: 0;
  color: var(--genesis-muted);
  font: 600 0.72rem/1 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.genesis-action:hover {
  border-color: rgba(216, 189, 121, 0.62);
  color: var(--genesis-paper);
}

.genesis-action--primary {
  border-color: var(--genesis-gold);
  color: #090a09;
  background: var(--genesis-gold);
}

.genesis-action--primary:hover {
  color: #090a09;
  background: #e7cf91;
}

.genesis-census {
  margin: clamp(2rem, 6vh, 4.25rem) 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--genesis-line);
}

.genesis-census div {
  min-width: 0;
  padding: 1rem 0.75rem 0 0;
}

.genesis-census dt,
.lineage-census dt {
  color: var(--genesis-faint);
  font: 600 0.64rem/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
}

.genesis-census dd,
.lineage-census dd {
  margin: 0.3rem 0 0;
  font: 500 clamp(1.7rem, 3vw, 3.2rem)/1 "JetBrains Mono", ui-monospace, monospace;
}

.genesis-hero__field {
  position: relative;
  width: min(100%, 44rem);
  justify-self: end;
}

.genesis-hero__field svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 0 22px rgba(216, 189, 121, 0.08));
}

.hero-field__boundary {
  fill: rgba(216, 189, 121, 0.012);
  stroke: rgba(216, 189, 121, 0.35);
  stroke-width: 1;
}

.hero-field__trace {
  fill: none;
  stroke: url("#hero-trace");
  stroke-width: 1.7;
  vector-effect: non-scaling-stroke;
}

.hero-field__trace--two {
  stroke-opacity: 0.58;
}

.hero-field__trace--three {
  stroke-opacity: 0.36;
}

.hero-field__nodes circle {
  fill: var(--genesis-black);
  stroke: var(--genesis-gold);
  stroke-width: 1.5;
}

.hero-field__retained {
  fill: none;
  stroke: var(--genesis-gold);
  stroke-width: 2;
}

.hero-field__legend {
  padding-top: 0.75rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  border-top: 1px solid var(--genesis-line);
  color: var(--genesis-faint);
  font: 500 0.6rem/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.1em;
}

.genesis-policy {
  width: var(--genesis-column);
  margin: 0 auto;
  padding: 1.2rem 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--genesis-line);
  border-bottom: 1px solid var(--genesis-line);
}

.genesis-policy p {
  margin: 0;
  padding: 0 1.4rem;
  color: var(--genesis-muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.genesis-policy p:first-child {
  padding-left: 0;
}

.genesis-policy p + p {
  border-left: 1px solid var(--genesis-line);
}

.genesis-policy strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--genesis-paper);
  font: 600 0.66rem/1.3 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
}

.genesis-trace-spine {
  position: sticky;
  z-index: 12;
  top: calc(var(--semeai-nav-height, 4rem) + 2.35rem);
  width: var(--genesis-column);
  min-height: 4.15rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(13rem, 0.7fr) minmax(0, 3.3fr);
  align-items: stretch;
  border-top: 1px solid rgba(216, 189, 121, 0.34);
  border-bottom: 1px solid var(--genesis-line);
  background:
    linear-gradient(90deg, rgba(216, 189, 121, 0.055), transparent 32%),
    rgba(5, 6, 6, 0.96);
  backdrop-filter: blur(12px);
}

.trace-spine__position {
  min-width: 0;
  padding: 0.7rem 1rem 0.65rem 0;
  display: grid;
  align-content: center;
  gap: 0.22rem;
  border-right: 1px solid var(--genesis-line);
}

.trace-spine__position span,
.trace-spine__position strong,
.trace-spine__sequence a {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  text-transform: uppercase;
}

.trace-spine__position span {
  color: var(--genesis-faint);
  font-size: 0.56rem;
  line-height: 1;
  letter-spacing: 0.15em;
}

.trace-spine__position strong {
  overflow: hidden;
  color: var(--genesis-paper);
  font-size: 0.66rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.07em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trace-spine__sequence {
  position: relative;
  min-width: 0;
}

.trace-spine__track {
  position: absolute;
  z-index: 0;
  top: 1.15rem;
  right: 1rem;
  left: 1rem;
  height: 1px;
  overflow: hidden;
  background: rgba(241, 237, 227, 0.13);
}

.trace-spine__track span {
  width: var(--trace-progress, 0%);
  height: 100%;
  display: block;
  background: linear-gradient(90deg, var(--genesis-gold), rgba(155, 131, 186, 0.72));
  transform-origin: left center;
  transition: width 420ms cubic-bezier(0.2, 0.65, 0.25, 1);
}

.motion-paused .trace-spine__track span {
  transition: none;
}

.trace-spine__sequence ol {
  position: relative;
  z-index: 1;
  height: 100%;
  margin: 0;
  padding: 0 0.55rem;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  list-style: none;
}

.trace-spine__sequence li {
  min-width: 0;
}

.trace-spine__sequence a {
  min-width: 0;
  height: 100%;
  min-height: 4.1rem;
  padding: 0.7rem 0.45rem 0.55rem;
  display: grid;
  align-content: space-between;
  gap: 0.4rem;
  color: var(--genesis-faint);
  font-size: 0.57rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease;
}

.trace-spine__sequence a span {
  width: max-content;
  padding-right: 0.25rem;
  color: var(--genesis-gold);
  background: var(--genesis-black);
}

.trace-spine__sequence a:hover,
.trace-spine__sequence a[aria-current="step"] {
  color: var(--genesis-paper);
  background: linear-gradient(180deg, rgba(216, 189, 121, 0.035), transparent);
}

.trace-spine__sequence a[aria-current="step"] span {
  text-shadow: 0 0 14px rgba(216, 189, 121, 0.42);
}

.genesis-chronology,
.genesis-lineage,
.genesis-archaeology,
.genesis-boundary {
  width: var(--genesis-column);
  margin: 0 auto;
  padding: clamp(5rem, 11vh, 9rem) 0;
  scroll-margin-top: calc(var(--semeai-nav-height, 4rem) + 7.35rem);
}

.genesis-section-heading {
  max-width: 66rem;
  margin-bottom: clamp(2.5rem, 7vh, 5rem);
}

.genesis-section-heading h2,
.genesis-boundary h2 {
  margin: 0.85rem 0 1rem;
  font-size: clamp(2.7rem, 6vw, 7.2rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.genesis-section-heading > p:last-child,
.genesis-boundary > p {
  max-width: 48rem;
  margin: 0;
  color: var(--genesis-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.genesis-chronology__layout {
  display: grid;
  grid-template-columns: minmax(14rem, 20rem) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: start;
}

.era-index {
  position: sticky;
  top: calc(var(--semeai-nav-height, 4rem) + 7.35rem);
  max-height: calc(100vh - var(--semeai-nav-height, 4rem) - 8.35rem);
  overflow: auto;
  scrollbar-width: thin;
}

.era-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--genesis-line);
}

.era-index button {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.7rem 0;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.65rem;
  border: 0;
  border-bottom: 1px solid var(--genesis-line);
  color: var(--genesis-faint);
  background: transparent;
  font: 500 0.72rem/1.4 "JetBrains Mono", ui-monospace, monospace;
  text-align: left;
  cursor: pointer;
  transition: color 180ms ease, padding-left 180ms ease;
}

.era-index button span {
  color: var(--genesis-gold);
}

.era-index button:hover,
.era-index button[aria-current="step"] {
  padding-left: 0.5rem;
  color: var(--genesis-paper);
}

.era-index button[aria-current="step"] {
  box-shadow: inset 2px 0 0 var(--genesis-gold);
}

.era-stream {
  min-width: 0;
}

.era {
  min-height: clamp(35rem, 75vh, 51rem);
  padding: clamp(2rem, 4vw, 4rem) 0 clamp(5rem, 10vh, 9rem);
  border-top: 1px solid var(--genesis-line);
  scroll-margin-top: calc(var(--semeai-nav-height, 4rem) + 7.35rem);
}

.era:first-child {
  border-top-color: var(--genesis-gold);
}

.era h3 {
  max-width: 14ch;
  margin: 0.8rem 0 0.9rem;
  font-size: clamp(2.5rem, 5.6vw, 6.7rem);
  line-height: 0.88;
  letter-spacing: -0.06em;
}

.era__principle {
  max-width: 42rem;
  margin: 0;
  color: var(--genesis-muted);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.65;
}

.era__evidence {
  min-height: 7rem;
  margin-top: clamp(2rem, 5vh, 3.75rem);
}

.era-evidence__summary {
  margin-bottom: 1rem;
  color: var(--genesis-faint);
  font: 500 0.68rem/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.milestone,
.artifact,
.repository-trace {
  position: relative;
  padding: 1.1rem 1.2rem 1.1rem 1.5rem;
  border-left: 1px solid var(--genesis-gold);
  border-top: 1px solid var(--genesis-line);
  background: linear-gradient(90deg, rgba(216, 189, 121, 0.045), transparent 72%);
}

.milestone + .milestone,
.artifact + .artifact {
  margin-top: 0.8rem;
}

.milestone__meta,
.artifact__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  align-items: baseline;
}

.milestone time,
.artifact time,
.repository-trace__facts,
.evidence-link,
.lineage-ledger {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.milestone time,
.artifact time {
  color: var(--genesis-faint);
  font-size: 0.68rem;
}

.milestone h4,
.artifact h4 {
  margin: 0.65rem 0 0.45rem;
  font-size: clamp(1.08rem, 2vw, 1.45rem);
}

.milestone p,
.artifact p,
.repository-trace p {
  max-width: 52rem;
  margin: 0;
  color: var(--genesis-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.evidence-state {
  color: var(--genesis-gold);
}

.historical-state {
  color: var(--genesis-violet);
}

.evidence-link {
  display: inline-block;
  margin-top: 0.8rem;
  color: var(--genesis-gold);
  font-size: 0.68rem;
  text-underline-offset: 0.3em;
}

.artifact-media {
  width: min(100%, 28rem);
  height: auto;
  margin-top: 1rem;
  display: block;
  border: 1px solid var(--genesis-line);
  filter: saturate(0.72) contrast(1.06);
}

.repository-list {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.repository-trace {
  min-width: 0;
  border-left-color: var(--genesis-cyan);
}

.repository-trace a {
  display: block;
  overflow-wrap: anywhere;
  color: var(--genesis-paper);
  font-weight: 650;
  text-decoration: none;
}

.repository-trace a:hover {
  color: var(--genesis-gold);
}

.repository-trace__facts {
  margin-top: 0.45rem !important;
  color: var(--genesis-faint) !important;
  font-size: 0.66rem !important;
  overflow-wrap: anywhere;
}

.lineage-census {
  margin: 0 0 2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--genesis-line);
  border-bottom: 1px solid var(--genesis-line);
}

.lineage-census div {
  padding: 1rem;
}

.lineage-census div + div {
  border-left: 1px solid var(--genesis-line);
}

.lineage-census dd {
  font-size: clamp(1.5rem, 2.4vw, 2.4rem);
}

.lineage-figure {
  min-height: 26rem;
  overflow: hidden;
  border: 1px solid var(--genesis-line);
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    rgba(8, 9, 9, 0.72);
  background-size: 56px 56px;
}

.lineage-figure svg {
  width: 100%;
  min-height: 26rem;
  display: block;
}

.lineage-edge {
  fill: none;
  stroke: rgba(216, 189, 121, 0.32);
  stroke-width: 1.15;
  vector-effect: non-scaling-stroke;
}

.lineage-node circle {
  fill: #070808;
  stroke: var(--genesis-gold);
  stroke-width: 1.25;
  vector-effect: non-scaling-stroke;
}

.lineage-node--experiment circle {
  stroke: var(--genesis-cyan);
}

.lineage-node--successor circle {
  stroke: var(--genesis-violet);
}

.lineage-node text {
  fill: var(--genesis-paper);
  font-size: 10px;
  letter-spacing: 0.02em;
  text-transform: none;
}

.lineage-node .lineage-node__class {
  fill: var(--genesis-faint);
  font-size: 8px;
}

.lineage-ledger {
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--genesis-line);
}

.lineage-ledger li {
  padding: 0.9rem 0;
  display: grid;
  grid-template-columns: minmax(10rem, 0.9fr) minmax(7rem, 0.42fr) minmax(12rem, 1fr);
  gap: 1rem;
  border-bottom: 1px solid var(--genesis-line);
  color: var(--genesis-muted);
  font-size: 0.7rem;
  line-height: 1.5;
}

.lineage-ledger__relation {
  color: var(--genesis-gold);
}

.genesis-chronicle {
  width: var(--genesis-column);
  margin: 0 auto;
  padding: 8rem 0;
  border-top: 1px solid var(--genesis-line);
}

.genesis-foundation,
.genesis-archaeology,
.genesis-chronicle {
  scroll-margin-top: calc(var(--semeai-nav-height, 4rem) + 7.35rem);
}

.historical-census {
  margin: 0 0 clamp(2rem, 5vh, 3.5rem);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--genesis-line);
  border-bottom: 1px solid var(--genesis-line);
}

.historical-census div {
  min-width: 0;
  padding: 1rem;
}

.historical-census div + div {
  border-left: 1px solid var(--genesis-line);
}

.historical-census dt {
  color: var(--genesis-faint);
  font: 600 0.64rem/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.09em;
}

.historical-census dd {
  margin: 0.35rem 0 0;
  color: var(--genesis-paper);
  font-size: clamp(1.5rem, 2.4vw, 2.4rem);
  font-weight: 680;
}

.historical-boundary {
  margin-bottom: clamp(3rem, 7vh, 5.5rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(155, 131, 186, 0.46);
  border-bottom: 1px solid var(--genesis-line);
}

.historical-boundary p {
  margin: 0;
  padding: 1.1rem 1.25rem;
  color: var(--genesis-muted);
  font-size: 0.79rem;
  line-height: 1.65;
}

.historical-boundary p + p {
  border-left: 1px solid var(--genesis-line);
}

.historical-boundary strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--genesis-violet);
  font: 600 0.66rem/1.45 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.06em;
}

.historical-timelines {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--genesis-line);
  border-left: 1px solid var(--genesis-line);
}

.historical-timeline {
  min-width: 0;
  padding: clamp(1.2rem, 3vw, 2rem);
  border-right: 1px solid var(--genesis-line);
  border-bottom: 1px solid var(--genesis-line);
  background:
    linear-gradient(145deg, rgba(216, 189, 121, 0.025), transparent 52%),
    rgba(8, 9, 9, 0.45);
}

.historical-timeline__index {
  margin: 0 0 1.4rem;
  color: var(--genesis-gold);
  font: 600 0.68rem/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.historical-timeline ol,
.evidence-quality ol,
.concept-lineage ol,
.admission-ledger {
  margin: 0;
  padding: 0;
  list-style: none;
}

.historical-timeline li {
  position: relative;
  padding: 0 0 1.5rem 1.25rem;
  border-left: 1px solid rgba(216, 189, 121, 0.36);
}

.historical-timeline li:last-child {
  padding-bottom: 0;
}

.historical-timeline li::before {
  content: "";
  position: absolute;
  top: 0.35rem;
  left: -0.23rem;
  width: 0.38rem;
  height: 0.38rem;
  border: 1px solid var(--genesis-gold);
  background: var(--genesis-black);
}

.historical-timeline time,
.historical-timeline__refs {
  color: var(--genesis-faint);
  font: 500 0.62rem/1.45 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.05em;
}

.historical-timeline h3 {
  margin: 0.45rem 0;
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
}

.historical-timeline li > p:not(.historical-timeline__refs) {
  margin: 0;
  color: var(--genesis-muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.historical-timeline__refs {
  margin: 0.65rem 0 0;
  color: var(--genesis-gold);
}

.evidence-quality,
.concept-lineage,
.historical-ledgers {
  margin-top: clamp(4rem, 9vh, 7rem);
}

.evidence-quality > header,
.concept-lineage > header {
  max-width: 54rem;
  margin-bottom: 2rem;
}

.evidence-quality h3,
.concept-lineage h3,
.historical-ledgers h3 {
  margin: 0.7rem 0 0.75rem;
  font-size: clamp(1.8rem, 3.4vw, 3.8rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.evidence-quality header > p:last-child,
.concept-lineage header > p:last-child {
  margin: 0;
  color: var(--genesis-muted);
  line-height: 1.65;
}

.evidence-quality ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--genesis-line);
  border-left: 1px solid var(--genesis-line);
}

.evidence-quality li {
  position: relative;
  min-width: 0;
  padding: 1.25rem;
  border-right: 1px solid var(--genesis-line);
  border-bottom: 1px solid var(--genesis-line);
}

.evidence-quality li::after {
  content: "";
  position: absolute;
  right: 1.25rem;
  bottom: 0;
  left: 1.25rem;
  height: 1px;
  background: linear-gradient(90deg, var(--genesis-gold), rgba(155, 131, 186, calc(0.2 + (var(--quality-index) * 0.12))));
  transform: scaleX(calc((var(--quality-index) + 1) / 4));
  transform-origin: left;
}

.evidence-quality__period {
  color: var(--genesis-gold) !important;
  font: 600 0.64rem/1.4 "JetBrains Mono", ui-monospace, monospace !important;
  letter-spacing: 0.08em;
}

.evidence-quality h4 {
  margin: 0.7rem 0;
  font-size: 1rem;
}

.evidence-quality li p {
  margin: 0;
  color: var(--genesis-muted);
  font-size: 0.76rem;
  line-height: 1.55;
}

.evidence-quality__limits {
  margin-top: 0.75rem !important;
  color: var(--genesis-faint) !important;
}

.concept-lineage ol {
  border-top: 1px solid var(--genesis-line);
}

.concept-lineage li {
  min-width: 0;
  padding: 0.85rem 0;
  display: grid;
  grid-template-columns: minmax(12rem, 1.25fr) minmax(6rem, 0.38fr) minmax(14rem, 1fr);
  gap: 1rem;
  align-items: baseline;
  border-bottom: 1px solid var(--genesis-line);
  color: var(--genesis-muted);
  font: 500 0.68rem/1.55 "JetBrains Mono", ui-monospace, monospace;
}

.concept-lineage__path {
  color: var(--genesis-paper);
  overflow-wrap: anywhere;
}

.concept-lineage__relation {
  color: var(--genesis-gold);
  letter-spacing: 0.08em;
}

.concept-lineage__basis {
  color: var(--genesis-faint);
}

.historical-ledgers {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  scroll-margin-top: calc(var(--semeai-nav-height, 4rem) + 7.35rem);
}

.historical-ledgers section {
  min-width: 0;
}

.historical-claim {
  border-top: 1px solid var(--genesis-line);
}

.historical-claim:last-child {
  border-bottom: 1px solid var(--genesis-line);
}

.historical-claim summary {
  min-height: 3.4rem;
  padding: 0.85rem 0;
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr) minmax(8rem, 0.42fr);
  gap: 1rem;
  align-items: baseline;
  cursor: pointer;
  list-style-position: outside;
}

.historical-claim summary::marker {
  color: var(--genesis-gold);
}

.historical-claim__date,
.historical-claim__class,
.admission-ledger {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.historical-claim__date {
  color: var(--genesis-faint);
  font-size: 0.64rem;
}

.historical-claim__title {
  color: var(--genesis-paper);
  font-size: 0.86rem;
  line-height: 1.5;
}

.historical-claim__class {
  color: var(--genesis-gold);
  font-size: 0.61rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.historical-claim__body {
  padding: 0.4rem 0 1.25rem 7.5rem;
}

.historical-claim__body p {
  margin: 0.45rem 0;
  color: var(--genesis-muted);
  font: 500 0.68rem/1.6 "JetBrains Mono", ui-monospace, monospace;
  overflow-wrap: anywhere;
}

.admission-ledger {
  border-top: 1px solid var(--genesis-line);
}

.admission-ledger li {
  padding: 0.9rem 0;
  display: grid;
  grid-template-columns: 5rem minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 0.75rem;
  border-bottom: 1px solid var(--genesis-line);
  color: var(--genesis-muted);
  font-size: 0.65rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.admission-state {
  color: var(--genesis-gold);
  letter-spacing: 0.08em;
}

.admission-state--review {
  color: var(--genesis-violet);
}

.admission-state--withhold {
  color: var(--genesis-faint);
}

.chronicle-ledger {
  margin: 4rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--genesis-line);
}

.chronicle-ledger > li {
  position: relative;
  padding: 3.2rem 0 3.2rem clamp(2.5rem, 7vw, 8rem);
  border-bottom: 1px solid var(--genesis-line);
}

.chronicle-ledger > li::before {
  content: "";
  position: absolute;
  top: 3.55rem;
  left: 0;
  width: clamp(1.5rem, 5vw, 5.5rem);
  height: 1px;
  background: linear-gradient(90deg, var(--genesis-gold), transparent);
}

.chronicle-entry__date {
  margin: 0 0 1.2rem;
  color: var(--genesis-gold);
  font: 600 0.68rem/1.5 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
}

.chronicle-entry h3 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.chronicle-entry__change {
  max-width: 52rem;
  margin: 1.5rem 0 0;
  color: var(--genesis-muted);
  line-height: 1.7;
}

.chronicle-entry__detail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 2.2rem 0 0;
  background: var(--genesis-line);
}

.chronicle-entry__detail div {
  min-width: 0;
  padding: 1.25rem;
  background: var(--genesis-black);
}

.chronicle-entry__detail dt {
  color: var(--genesis-gold);
  font: 600 0.64rem/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
}

.chronicle-entry__detail dd {
  margin: 0.65rem 0 0;
  color: var(--genesis-muted);
  line-height: 1.6;
}

.chronicle-entry__sources {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.chronicle-entry__sources a {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--genesis-line);
  color: var(--genesis-muted);
  font: 600 0.65rem/1 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.genesis-boundary {
  margin-bottom: clamp(3rem, 8vh, 7rem);
  border-top: 1px solid var(--genesis-gold);
  scroll-margin-top: calc(var(--semeai-nav-height, 4rem) + 7.35rem);
}

.genesis-boundary h2 {
  max-width: 15ch;
}

.genesis-status,
.genesis-noscript {
  width: var(--genesis-column);
  margin: 0 auto 2rem;
  padding: 0.85rem 0;
  color: var(--genesis-faint);
  font: 500 0.68rem/1.5 "JetBrains Mono", ui-monospace, monospace;
}

.genesis-status[data-state="ready"] {
  color: var(--genesis-gold);
}

.genesis-status[data-state="error"] {
  color: var(--genesis-violet);
}

.motion-enabled .hero-field__trace,
.motion-enabled .hero-field__retained {
  stroke-dasharray: 0 1200;
  animation: genesis-trace-admit 1.35s cubic-bezier(0.22, 0.68, 0.28, 1) forwards;
}

.motion-enabled .hero-field__trace--two {
  animation-delay: 100ms;
}

.motion-enabled .hero-field__trace--three {
  animation-delay: 180ms;
}

.motion-enabled .hero-field__retained {
  animation-delay: 320ms;
}

.motion-enabled .era {
  opacity: 0.5;
  transform: translateY(1rem);
  transition: opacity 500ms ease, transform 500ms ease;
}

.motion-enabled .era.is-active,
.motion-enabled .era:focus-within {
  opacity: 1;
  transform: translateY(0);
}

.motion-enabled .lineage-edge {
  stroke-dasharray: 1 900;
  transition: stroke-dasharray 900ms cubic-bezier(0.2, 0.65, 0.25, 1);
}

.motion-enabled .lineage-figure.is-visible .lineage-edge {
  stroke-dasharray: 900 0;
}

@keyframes genesis-trace-admit {
  to {
    stroke-dasharray: 1200 0;
  }
}

@media (max-width: 980px) {
  .genesis-hero {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
    padding-top: 4.5rem;
  }

  .genesis-hero__field {
    width: min(88vw, 38rem);
    justify-self: center;
  }

  .genesis-policy {
    grid-template-columns: minmax(0, 1fr);
  }

  .genesis-policy p {
    padding: 1rem 0;
  }

  .genesis-policy p + p {
    border-left: 0;
    border-top: 1px solid var(--genesis-line);
  }

  .genesis-chronology__layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .genesis-trace-spine {
    grid-template-columns: minmax(0, 1fr);
  }

  .genesis-foundation,
  .genesis-chronology,
  .genesis-lineage,
  .genesis-archaeology,
  .historical-ledgers,
  .genesis-chronicle,
  .genesis-boundary,
  .era {
    scroll-margin-top: 13.25rem;
  }

  .trace-spine__position {
    min-height: 2.45rem;
    padding: 0.45rem 0.7rem;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    gap: 0.7rem;
    border-right: 0;
    border-bottom: 1px solid var(--genesis-line);
  }

  .trace-spine__position strong {
    text-align: right;
  }

  .trace-spine__sequence {
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
  }

  .trace-spine__track {
    right: 0.75rem;
    left: 0.75rem;
  }

  .trace-spine__sequence ol {
    min-width: 42rem;
  }

  .trace-spine__sequence a {
    min-height: 3.55rem;
  }

  .historical-timelines,
  .historical-ledgers {
    grid-template-columns: minmax(0, 1fr);
  }

  .evidence-quality ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .era-index {
    position: relative;
    z-index: 4;
    top: auto;
    max-width: 100%;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
    background: rgba(5, 6, 6, 0.94);
    backdrop-filter: blur(8px);
  }

  .era-index ol {
    min-width: max-content;
    display: flex;
  }

  .era-index li {
    min-width: 9.5rem;
  }

  .era-index button {
    min-height: 3rem;
    padding-inline: 0.65rem;
    grid-template-columns: auto minmax(0, 1fr);
    border-right: 1px solid var(--genesis-line);
  }

  .era-index button:hover,
  .era-index button[aria-current="step"] {
    padding-left: 0.65rem;
    box-shadow: inset 0 -2px 0 var(--genesis-gold);
  }
}

@media (max-width: 680px) {
  :root {
    --genesis-edge: 1rem;
  }

  .genesis-hero {
    gap: 2rem;
    padding-top: 3.25rem;
  }

  .genesis-trace-spine {
    top: calc(var(--semeai-nav-height, 4rem) + 2.125rem);
    width: 100%;
  }

  .trace-spine__position {
    padding-inline: var(--genesis-edge);
  }

  .genesis-hero h1 {
    font-size: clamp(3rem, 15vw, 4.8rem);
  }

  .genesis-census {
    grid-template-columns: 1fr;
  }

  .genesis-census div {
    padding: 0.8rem 0;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1px solid var(--genesis-line);
  }

  .genesis-census dd {
    font-size: 1.6rem;
  }

  .hero-field__legend {
    font-size: 0.52rem;
  }

  .genesis-chronology,
  .genesis-lineage,
  .genesis-archaeology,
  .genesis-chronicle,
  .genesis-boundary {
    padding: 4.5rem 0;
  }

  .genesis-section-heading h2,
  .genesis-boundary h2 {
    font-size: clamp(2.75rem, 14vw, 4.2rem);
  }

  .era {
    min-height: auto;
    padding-block: 3rem 5rem;
  }

  .era h3 {
    font-size: clamp(2.8rem, 14vw, 4.5rem);
  }

  .repository-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .lineage-census {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .historical-census {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .historical-census div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--genesis-line);
  }

  .historical-census div:nth-child(4) {
    border-top: 1px solid var(--genesis-line);
  }

  .historical-boundary {
    grid-template-columns: minmax(0, 1fr);
  }

  .historical-boundary p + p {
    border-top: 1px solid var(--genesis-line);
    border-left: 0;
  }

  .evidence-quality ol {
    grid-template-columns: minmax(0, 1fr);
  }

  .concept-lineage li,
  .historical-claim summary,
  .admission-ledger li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.35rem;
  }

  .historical-claim__body {
    padding-left: 0;
  }

  .lineage-census div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--genesis-line);
  }

  .lineage-census div:nth-child(4) {
    border-top: 1px solid var(--genesis-line);
  }

  .lineage-figure {
    min-height: 20rem;
  }

  .lineage-figure svg {
    min-height: 20rem;
  }

  .lineage-ledger li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.35rem;
  }

  .chronicle-entry__detail {
    grid-template-columns: 1fr;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  .genesis-hero {
    min-height: auto;
    padding-top: 3.5rem;
  }

  .genesis-hero__field {
    max-width: 23rem;
  }

  .genesis-trace-spine {
    grid-template-columns: 14rem minmax(0, 1fr);
  }

  .trace-spine__position {
    min-height: 3.55rem;
    border-right: 1px solid var(--genesis-line);
    border-bottom: 0;
  }

  .trace-spine__position span {
    display: none;
  }

  .trace-spine__position strong {
    text-align: left;
  }

  .trace-spine__sequence ol {
    min-width: 0;
  }

  .trace-spine__sequence a {
    padding-inline: 0.3rem;
    font-size: 0.52rem;
  }

  .genesis-foundation,
  .genesis-chronology,
  .genesis-lineage,
  .genesis-archaeology,
  .historical-ledgers,
  .genesis-chronicle,
  .genesis-boundary,
  .era {
    scroll-margin-top: 10.75rem;
  }

  .era {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .genesis-v03 *,
  .genesis-v03 *::before,
  .genesis-v03 *::after,
  .genesis-v04 *,
  .genesis-v04 *::before,
  .genesis-v04 *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .hero-field__trace,
  .hero-field__retained {
    stroke-dasharray: none !important;
  }

  .era {
    opacity: 1 !important;
    transform: none !important;
  }

  .trace-spine__track span {
    transition: none !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .era-index,
  .genesis-trace-spine,
  .genesis-hero__actions,
  .genesis-boundary nav,
  .genesis-status {
    display: none !important;
  }

  body.genesis-v03,
  body.genesis-v04 {
    color: #111;
    background: #fff;
  }

  .genesis-hero,
  .genesis-policy,
  .genesis-chronology,
  .genesis-lineage,
  .genesis-archaeology,
  .genesis-chronicle,
  .genesis-boundary {
    width: 100%;
  }

  .genesis-hero {
    min-height: auto;
    grid-template-columns: 1fr 0.65fr;
  }

  .era {
    min-height: auto;
    break-inside: avoid;
    opacity: 1 !important;
    transform: none !important;
  }

  .genesis-v03 h1,
  .genesis-v03 h2,
  .genesis-v03 h3,
  .genesis-v03 p,
  .genesis-v03 a,
  .genesis-v03 dt,
  .genesis-v03 dd,
  .genesis-v04 h1,
  .genesis-v04 h2,
  .genesis-v04 h3,
  .genesis-v04 p,
  .genesis-v04 a,
  .genesis-v04 dt,
  .genesis-v04 dd {
    color: #111 !important;
    -webkit-text-stroke: 0 !important;
  }
}