:root {
  --paper: #f5f6f2;
  --paper-strong: #ffffff;
  --paper-warm: #ecebe4;
  --ink: #121716;
  --muted: #5e6663;
  --line: #cfd3cc;
  --line-dark: #8e9691;
  --green: #13a36d;
  --green-dark: #08734b;
  --cyan: #18a9bc;
  --coral: #e96343;
  --yellow: #dfb72c;
  --viewer: #ffffff;
  --viewer-soft: #f5f6f2;
  --shadow: 0 18px 55px rgba(23, 36, 32, 0.12);
  --shell: min(1240px, calc(100vw - 48px));
  --header-height: 64px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

img,
video,
canvas {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

button,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
a,
select,
input {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

button,
select {
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  background: var(--ink);
  color: white;
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  border-bottom: 1px solid rgba(18, 23, 22, 0.12);
  background: rgba(245, 246, 242, 0.92);
  backdrop-filter: blur(18px);
  transition: box-shadow 180ms ease, background-color 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 4px 24px rgba(30, 40, 36, 0.08);
}

.nav-shell {
  width: var(--shell);
  height: 100%;
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.wordmark-mark {
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  color: white;
  background: var(--ink);
  border-radius: 4px;
}

.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 26px;
}

.nav-links a,
.nav-code {
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a {
  color: #343b39;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--green-dark);
}

.nav-code {
  padding: 8px 15px;
  color: white;
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 4px;
}

.nav-code:hover,
.nav-code:focus-visible {
  color: var(--ink);
  background: transparent;
}

.nav-toggle {
  display: none;
}

.hero {
  padding: calc(var(--header-height) + 54px) 0 0;
  overflow: hidden;
}

.hero-inner {
  width: min(1080px, calc(100vw - 48px));
  margin-inline: auto;
  text-align: center;
}

.venue-line,
.section-kicker {
  margin: 0 0 12px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 980px;
  margin: 0 auto;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 5.2rem, 70px);
  font-size: clamp(38px, 5.1vw, 70px);
  line-height: 1.02;
  font-weight: 500;
  text-wrap: balance;
}

.hero h1 span {
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-weight: 850;
}

.hero-summary {
  max-width: 770px;
  margin: 22px auto 18px;
  color: #46504d;
  font-size: 18px;
  line-height: 1.55;
  text-wrap: balance;
}

.hero-summary strong,
.hero-figure figcaption strong {
  color: var(--ink);
  font-weight: 850;
}

.authors {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  margin-top: 20px;
}

.authors a {
  color: var(--ink);
  font-size: 15px;
  font-weight: 650;
  text-decoration-color: var(--line-dark);
}

.authors sup,
.affiliations sup {
  color: var(--green-dark);
  font-size: 0.68em;
  font-weight: 800;
}

.affiliations {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.affiliations span::after {
  content: "·";
  margin: 0 7px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 22px;
}

.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--ink);
  background: white;
}

.button-primary {
  color: white;
  background: var(--ink);
  border-color: var(--ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  color: var(--ink);
}

.hero-figure {
  width: min(1440px, calc(100vw - 24px));
  margin: 44px auto 0;
}

.hero-figure img {
  width: 100%;
  max-height: 510px;
  object-fit: contain;
  background: white;
}

.hero-figure figcaption {
  max-width: 900px;
  margin: 12px auto 0;
  padding: 0 16px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.positioning-band {
  margin-top: 72px;
  padding: 92px 0 88px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-warm);
}

.positioning-intro {
  display: grid;
  grid-template-columns: minmax(360px, 1.1fr) minmax(380px, 0.9fr);
  gap: 72px;
  align-items: end;
}

.positioning-intro h2,
.section-heading h2,
.release-layout h2,
.citation-section h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.06;
  font-weight: 500;
  text-wrap: balance;
}

.positioning-intro > p:last-child {
  margin: 0;
  color: #3f4745;
  font-size: 17px;
  line-height: 1.7;
}

.contribution-ledger {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 66px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.contribution-ledger article {
  min-width: 0;
  padding: 30px 30px 32px;
  border-right: 1px solid var(--line);
}

.contribution-ledger article:first-child {
  padding-left: 0;
}

.contribution-ledger article:last-child {
  padding-right: 0;
  border-right: 0;
}

.contribution-ledger article > span,
.paper-result-head span {
  color: var(--green-dark);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.contribution-ledger h3 {
  margin: 10px 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
  line-height: 1.08;
  font-weight: 500;
}

.contribution-ledger p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.research-landscape {
  margin-top: 84px;
}

.landscape-heading {
  display: grid;
  grid-template-columns: minmax(340px, 1fr) minmax(300px, 0.65fr);
  gap: 72px;
  align-items: end;
}

.landscape-heading h3 {
  max-width: 740px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.08;
  font-weight: 500;
  text-wrap: balance;
}

.landscape-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.landscape-table {
  margin-top: 30px;
  border-top: 1px solid var(--line-dark);
}

.landscape-row {
  display: grid;
  grid-template-columns: 1.12fr 0.95fr 1.28fr 1.18fr;
  border-bottom: 1px solid var(--line);
}

.landscape-row > span {
  min-width: 0;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
  color: #424a47;
  font-size: 12px;
  line-height: 1.5;
}

.landscape-row > span:first-child {
  padding-left: 0;
}

.landscape-row > span:last-child {
  padding-right: 0;
  border-right: 0;
}

.landscape-row strong,
.landscape-row small {
  display: block;
}

.landscape-row strong {
  color: var(--ink);
  font-size: 13px;
}

.landscape-row small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

.landscape-row a {
  text-decoration-color: var(--line-dark);
}

.landscape-header > span {
  padding-top: 10px;
  padding-bottom: 10px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
}

.landscape-fire3d {
  border-top: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  background: #dcefe6;
}

.landscape-fire3d > span,
.landscape-fire3d strong,
.landscape-fire3d small {
  color: #123c2e;
}

.method-section,
.results-section,
.comparisons-section,
.citation-section {
  padding: 108px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 46px;
}

.section-heading > p:last-child {
  max-width: 690px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.paper-figure {
  margin: 0;
}

.paper-figure img {
  width: 100%;
  background: white;
}

.paper-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.paper-figure figcaption strong {
  color: var(--ink);
}

.method-figure {
  padding-bottom: 0;
}

.method-evidence {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
  padding: 24px 0 28px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line);
}

.method-evidence > div {
  padding: 0 28px;
  border-right: 1px solid var(--line);
}

.method-evidence > div:first-child {
  padding-left: 0;
}

.method-evidence > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.method-evidence span {
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.method-evidence p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.hcvae-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(520px, 1.25fr);
  column-gap: 68px;
  row-gap: 48px;
  align-items: center;
  padding-top: 76px;
}

.hcvae-copy h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.08;
  font-weight: 500;
}

.hcvae-copy > p:not(.section-kicker) {
  margin: 18px 0 0;
  color: var(--muted);
}

.hcvae-copy > p strong {
  color: var(--ink);
}

.hcvae-copy > p strong a {
  color: var(--green-dark);
}

.hcvae-layout > * {
  min-width: 0;
}

.representation-lineage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: stretch;
  margin-top: 24px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.representation-lineage > div:not(.lineage-step) {
  min-width: 0;
  padding: 14px 0;
}

.representation-lineage > div.is-fire3d {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.representation-lineage span,
.representation-lineage strong,
.representation-lineage code {
  display: block;
}

.representation-lineage span {
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  text-transform: uppercase;
}

.representation-lineage strong {
  margin-top: 4px;
  font-size: 12px;
}

.representation-lineage code {
  width: fit-content;
  margin-top: 7px;
  color: var(--muted);
  font-size: 10px;
}

.representation-lineage .is-fire3d span,
.representation-lineage .is-fire3d strong {
  color: var(--green-dark);
}

.lineage-step {
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 2px;
  padding: 0 12px;
  color: var(--muted);
}

.lineage-step span {
  font-size: 7px;
  white-space: nowrap;
}

.lineage-step b {
  color: var(--green);
  font-size: 18px;
  font-weight: 500;
}

.mechanism-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 30px 0 0;
  border-top: 1px solid var(--line-dark);
}

.mechanism-facts > div {
  padding: 15px 16px 15px 0;
  border-bottom: 1px solid var(--line);
}

.mechanism-facts > div:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.mechanism-facts > div:nth-child(even) {
  padding-left: 16px;
}

.mechanism-facts dt {
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
}

.mechanism-facts dd {
  margin: 5px 0 0;
}

.mechanism-facts strong,
.mechanism-facts span {
  display: block;
}

.mechanism-facts strong {
  font-size: 20px;
  line-height: 1.15;
}

.mechanism-facts span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 9px;
}

.vae-ablation {
  grid-column: 1 / -1;
  padding-top: 26px;
  border-top: 1px solid var(--line-dark);
}

.vae-ablation-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 15px;
}

.vae-ablation-head span {
  color: var(--green-dark);
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
}

.vae-ablation-head h4 {
  margin: 3px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-weight: 500;
}

.vae-ablation-head p {
  max-width: 350px;
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  text-align: right;
}

.vae-table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.vae-table-wrap table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  font-size: 11px;
}

.vae-table-wrap th,
.vae-table-wrap td {
  padding: 9px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.vae-table-wrap tr > :last-child {
  border-right: 0;
}

.vae-table-wrap tbody tr:last-child > * {
  border-bottom: 0;
}

.vae-table-wrap thead th {
  color: var(--muted);
  background: #eceee9;
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
}

.vae-table-wrap tbody th {
  min-width: 190px;
  text-align: left;
}

.vae-table-wrap tbody th span {
  display: block;
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
}

.vae-table-wrap tbody tr.is-fire3d {
  background: #e7f3ed;
}

.vae-table-wrap tbody tr.is-fire3d th,
.vae-table-wrap tbody tr.is-fire3d th span {
  color: var(--green-dark);
}

code {
  padding: 1px 4px;
  border-radius: 3px;
  background: #e0e2dc;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.88em;
}

.explorer-band {
  padding: 100px 0 94px;
  color: var(--ink);
  background: var(--viewer);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.explorer-band .section-kicker {
  color: var(--green-dark);
}

.explorer-band .section-heading > p:last-child {
  color: var(--muted);
}

.viewer-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: -12px 0 30px;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.viewer-guide li {
  min-width: 0;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 11px;
  padding: 17px 20px;
  border-right: 1px solid var(--line);
}

.viewer-guide li:first-child {
  padding-left: 0;
}

.viewer-guide li:last-child {
  padding-right: 0;
  border-right: 0;
}

.viewer-guide li > span {
  color: var(--green-dark);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 800;
}

.viewer-guide strong {
  display: block;
  font-size: 11px;
}

.viewer-guide p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.explorer-controls {
  display: grid;
  grid-template-columns: auto minmax(190px, 0.75fr) minmax(420px, 1.3fr);
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.control-group {
  min-width: 0;
}

.control-label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.segmented {
  display: inline-grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  padding: 3px;
  border: 1px solid var(--line-dark);
  border-radius: 5px;
  background: #eef0eb;
}

.segmented button {
  min-height: 34px;
  padding: 6px 13px;
  border: 0;
  border-radius: 3px;
  color: #4f5955;
  background: transparent;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.segmented button:hover,
.segmented button:focus-visible {
  color: var(--ink);
}

.segmented button.is-active {
  color: white;
  background: var(--ink);
}

.scene-control select,
.comparison-nav select {
  width: 100%;
  min-height: 42px;
  padding: 8px 36px 8px 12px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  color: var(--ink);
  background: white;
  cursor: pointer;
}

.viewer-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  min-height: 0;
  border: 1px solid var(--line-dark);
  background: white;
  box-shadow: var(--shadow);
}

.viewer-stage {
  position: relative;
  min-width: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #d9ded9;
}

#scene-canvas {
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
}

.viewer-stage.has-selectable-assets #scene-canvas {
  cursor: pointer;
}

#scene-canvas:active {
  cursor: grabbing;
}

.viewer-topbar,
.viewer-hint,
.viewer-status {
  position: absolute;
  z-index: 2;
  pointer-events: none;
}

.viewer-topbar {
  inset: 0 0 auto;
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(94, 102, 99, 0.22);
  backdrop-filter: blur(10px);
}

.viewer-topbar > div {
  min-width: 0;
}

.viewer-topbar strong,
.viewer-topbar span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-topbar strong {
  font-size: 13px;
}

.viewer-topbar span {
  color: var(--muted);
  font-size: 10px;
}

.viewer-topbar .viewer-selection {
  width: fit-content;
  margin-top: 4px;
  padding: 2px 5px;
  color: var(--green-dark);
  background: #e2f3eb;
  border: 1px solid #b7dccb;
  border-radius: 2px;
  font-size: 8px;
  font-weight: 800;
  text-transform: uppercase;
}

.viewer-reset {
  min-height: 34px;
  padding: 5px 10px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  color: var(--ink);
  background: white;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  pointer-events: auto;
  white-space: nowrap;
}

.viewer-reset:hover,
.viewer-reset:focus-visible {
  border-color: var(--green);
}

.viewer-hint {
  inset: auto 14px 12px auto;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  color: #8f9e99;
  background: rgba(11, 17, 16, 0.76);
  font-size: 9px;
}

.viewer-hint span::after {
  content: "·";
  margin: 0 5px;
}

.viewer-status {
  inset: 50% auto auto 50%;
  width: min(260px, calc(100% - 48px));
  padding: 14px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.96);
  transform: translate(-50%, -50%);
  transition: opacity 180ms ease, visibility 180ms ease;
}

.viewer-status.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.viewer-status > span:first-child {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
}

.load-track {
  height: 3px;
  display: block;
  overflow: hidden;
  background: #d9ded8;
}

.load-track > span {
  width: 10%;
  height: 100%;
  display: block;
  background: #63ddb4;
  transition: width 180ms ease;
}

.layer-panel {
  min-width: 0;
  padding: 14px;
  border-left: 1px solid var(--line);
  background: var(--viewer-soft);
}

.layer-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.layer-panel-head span {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.layer-panel-head button {
  padding: 3px 0;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-size: 10px;
  cursor: pointer;
}

.object-editor {
  margin-bottom: 2px;
  padding: 4px 0 14px;
  border-bottom: 1px solid var(--line-dark);
}

.object-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.object-editor-head > span {
  color: var(--green-dark);
  font-size: 9px;
  font-weight: 850;
  text-transform: uppercase;
}

.object-editor-head button {
  padding: 2px 0;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-size: 9px;
  font-weight: 750;
  cursor: pointer;
}

.object-editor-head button:hover,
.object-editor-head button:focus-visible {
  color: var(--green-dark);
}

.object-transform-modes {
  width: 100%;
  margin-top: 9px;
}

.object-transform-modes button {
  min-height: 29px;
  padding: 4px 7px;
  font-size: 9px;
}

.object-editor p {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 10px;
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 8px;
}

.object-editor p span {
  white-space: nowrap;
}

.object-editor kbd {
  min-width: 15px;
  display: inline-block;
  padding: 1px 3px;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  color: var(--ink);
  background: white;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.object-editor > small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 8px;
  line-height: 1.35;
}

.layer-panel > label {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-columns: 17px 11px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.layer-panel input {
  width: 16px;
  height: 16px;
  margin: 1px 0 0;
  accent-color: #5bdaaf;
}

.layer-panel label > span:last-child {
  min-width: 0;
}

.layer-panel strong,
.layer-panel small {
  display: block;
}

.layer-panel strong {
  overflow-wrap: anywhere;
  font-size: 11px;
}

.layer-panel small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.35;
}

.layer-swatch {
  width: 9px;
  height: 9px;
  margin-top: 4px;
  border-radius: 50%;
}

.swatch-rgb { background: #f0eee4; }
.swatch-camera {
  border: 2px solid var(--green-dark);
  border-radius: 1px;
  background: transparent;
}
.swatch-instance { background: var(--cyan); }
.swatch-box { background: var(--coral); }
.swatch-mesh { background: var(--green); }
.swatch-room { background: var(--yellow); }

.layer-panel .autorotate-control {
  grid-template-columns: 17px minmax(0, 1fr);
  margin-top: 7px;
  border-bottom: 0;
}

.observation-strip {
  margin-top: 18px;
}

.strip-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 9px;
}

.strip-heading span {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.strip-heading small {
  color: var(--muted);
  font-size: 10px;
}

.frame-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.frame-grid figure {
  position: relative;
  aspect-ratio: 1;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: white;
}

.frame-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.frame-grid figcaption {
  position: absolute;
  inset: auto 6px 6px auto;
  padding: 3px 5px;
  border-radius: 2px;
  color: #dce5e1;
  background: rgba(12, 18, 17, 0.72);
  font-size: 8px;
}

.results-stack {
  display: block;
}

.paper-result {
  width: 100%;
  padding: 30px 0 82px;
  border-top: 1px solid var(--line-dark);
}

.paper-result:last-child {
  padding-bottom: 0;
}

.paper-result-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 22px;
}

.paper-result-head h3 {
  max-width: 820px;
  margin: 5px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.08;
  font-weight: 500;
  text-wrap: balance;
}

.paper-result-controls {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.paper-result-controls label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.paper-result-controls select,
.paper-result-controls button {
  min-height: 38px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: white;
  font-size: 11px;
  font-weight: 700;
}

.paper-result-controls select {
  min-width: 190px;
  padding: 7px 34px 7px 10px;
}

.paper-result-controls button {
  padding: 7px 12px;
  cursor: pointer;
}

.paper-result-controls button.is-active {
  color: white;
  border-color: var(--ink);
  background: var(--ink);
}

.native-panel-grid {
  --panel-count: 3;
  display: grid;
  grid-template-columns: repeat(var(--panel-count), minmax(0, 1fr));
  column-gap: 7px;
  row-gap: 22px;
  align-items: end;
}

.native-panel-grid figure,
.native-pair-grid figure {
  min-width: 0;
  margin: 0;
}

.native-panel-grid .result-media,
.native-pair-grid .result-media {
  display: block;
  overflow: hidden;
  border: 1px solid #d9dcd6;
  background: white;
}

.native-panel-grid img,
.native-pair-grid img {
  display: block;
  width: 100%;
  height: auto;
}

.native-pair-grid img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.native-panel-grid figcaption,
.native-pair-grid figcaption {
  padding-top: 8px;
  color: #313936;
  font-size: 10px;
  font-weight: 750;
  text-align: center;
}

.native-panel-grid figure.is-fire3d .result-media,
.native-pair-grid figure.is-fire3d .result-media {
  border-color: var(--green);
  box-shadow: inset 0 -3px 0 var(--green);
}

.results-section img,
.comparisons-section img {
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.native-panel-grid figure.is-fire3d figcaption,
.native-pair-grid figure.is-fire3d figcaption {
  color: var(--green-dark);
}

.native-pair-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px 12px;
}

.native-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}

.native-pair > strong {
  grid-column: 1 / -1;
  margin-bottom: 2px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  font-weight: 500;
}

.paper-result-caption {
  max-width: 940px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.video-band {
  padding: 100px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #e8efec;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.video-grid figure {
  min-width: 0;
  margin: 0;
}

.video-grid video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #121817;
}

.video-grid figcaption {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 10px;
  border-top: 1px solid var(--line-dark);
  font-size: 12px;
}

.video-grid figcaption span {
  color: var(--muted);
  font-size: 10px;
}

.comparison-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 26px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.comparison-tabs button {
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}

.comparison-tabs button:hover,
.comparison-tabs button:focus-visible {
  border-color: var(--line-dark);
  background: white;
}

.comparison-tabs button.is-active {
  color: white;
  border-color: var(--ink);
  background: var(--ink);
}

.comparison-panel {
  min-height: 360px;
}

.comparison-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.comparison-head h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  font-weight: 500;
}

.comparison-head p {
  max-width: 650px;
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.comparison-nav {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.comparison-nav select {
  min-width: 138px;
  color: var(--ink);
  border-color: var(--line-dark);
  background: white;
}

.comparison-nav button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: white;
  cursor: pointer;
}

.comparison-nav span,
.metric-note {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.panel-grid {
  display: grid;
  gap: 7px;
}

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

.comparison-cell {
  min-width: 0;
  margin: 0;
}

.comparison-cell img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  border: 1px solid #d7dad4;
  background: white;
}

.comparison-cell figcaption {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
}

.comparison-cell figcaption strong {
  color: var(--ink);
  font-size: 10px;
}

.release-band {
  padding: 90px 0;
  color: white;
  background: #182220;
}

.release-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(420px, 0.9fr);
  gap: 80px;
  align-items: start;
}

.release-layout .section-kicker {
  color: #5bd8ae;
}

.release-layout p:not(.section-kicker) {
  max-width: 590px;
  color: #aab7b2;
}

.release-links {
  border-top: 1px solid #52605c;
}

.release-links a {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid #3b4945;
  text-decoration: none;
}

.release-links a:hover strong,
.release-links a:focus-visible strong {
  color: #64dfb5;
}

.release-links span {
  color: #98a7a2;
  font-size: 12px;
}

.citation-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.55fr) minmax(500px, 1.45fr);
  gap: 80px;
  align-items: start;
}

.citation-box {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line-dark);
  background: white;
}

.citation-box pre {
  margin: 0;
  padding: 24px;
  overflow-x: auto;
  font-size: 11px;
  line-height: 1.6;
}

.citation-box code {
  padding: 0;
  background: transparent;
}

.citation-box button {
  position: absolute;
  top: 8px;
  right: 8px;
  min-height: 32px;
  padding: 5px 10px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: var(--paper);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
}

footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: var(--paper-warm);
}

.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  font-size: 11px;
}

.footer-inner > span {
  font-weight: 850;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
}

.footer-inner a {
  font-weight: 700;
}

@media (max-width: 1040px) {
  :root {
    --shell: min(100% - 36px, 920px);
  }

  .nav-links {
    gap: 16px;
  }

  .explorer-controls {
    grid-template-columns: auto 1fr;
  }

  .mode-control {
    grid-column: 1 / -1;
  }

  .mode-control .segmented {
    width: 100%;
  }

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

  .layer-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0 18px;
    border-top: 1px solid #34413e;
    border-left: 0;
  }

  .layer-panel-head {
    grid-column: 1 / -1;
  }

  .object-editor {
    grid-column: 1 / -1;
  }

  .hcvae-layout,
  .release-layout,
  .citation-section {
    gap: 42px;
  }

  .landscape-table {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .landscape-row {
    min-width: 840px;
  }
}

@media (max-width: 780px) {
  :root {
    --shell: calc(100vw - 28px);
    --header-height: 58px;
  }

  .site-header {
    height: var(--header-height);
  }

  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .nav-code {
    display: none;
  }

  .nav-toggle {
    width: 38px;
    height: 38px;
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: white;
  }

  .nav-toggle span:not(.sr-only) {
    width: 17px;
    height: 1px;
    display: block;
    background: var(--ink);
  }

  .nav-links {
    position: fixed;
    inset: var(--header-height) 0 auto;
    max-height: 0;
    display: grid;
    gap: 0;
    overflow: hidden;
    visibility: hidden;
    background: var(--paper-strong);
    border-bottom: 1px solid var(--line);
    transition: max-height 180ms ease, visibility 180ms ease;
  }

  .nav-links.is-open {
    max-height: calc(100vh - var(--header-height));
    visibility: visible;
  }

  .nav-links a {
    padding: 16px 20px;
    border-bottom: 1px solid var(--line);
  }

  .hero {
    padding-top: calc(var(--header-height) + 38px);
  }

  .hero-inner {
    width: calc(100vw - 28px);
  }

  .hero h1 {
    font-size: clamp(34px, 11vw, 48px);
  }

  .hero-summary {
    font-size: 15px;
  }

  .hero-figure {
    width: 100%;
    margin-top: 34px;
  }

  .hero-figure figcaption {
    text-align: left;
  }

  .positioning-band,
  .method-section,
  .results-section,
  .comparisons-section,
  .citation-section,
  .video-band,
  .explorer-band,
  .release-band {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .positioning-intro,
  .landscape-heading,
  .hcvae-layout,
  .release-layout,
  .citation-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contribution-ledger,
  .method-evidence {
    grid-template-columns: 1fr;
  }

  .contribution-ledger article,
  .contribution-ledger article:first-child,
  .contribution-ledger article:last-child,
  .method-evidence > div,
  .method-evidence > div:first-child,
  .method-evidence > div:last-child {
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .contribution-ledger article:last-child,
  .method-evidence > div:last-child {
    border-bottom: 0;
  }

  .method-figure {
    padding-bottom: 0;
  }

  .hcvae-layout {
    padding-top: 52px;
  }

  .vae-ablation-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .vae-ablation-head p {
    max-width: 520px;
    text-align: left;
  }

  .explorer-controls {
    grid-template-columns: 1fr;
  }

  .viewer-guide {
    grid-template-columns: 1fr;
    margin-bottom: 24px;
  }

  .viewer-guide li,
  .viewer-guide li:first-child,
  .viewer-guide li:last-child {
    padding: 13px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .viewer-guide li:last-child {
    border-bottom: 0;
  }

  .mode-control {
    grid-column: auto;
  }

  .segmented {
    width: 100%;
  }

  .viewer-stage {
    aspect-ratio: 4 / 3;
  }

  .layer-panel {
    grid-template-columns: 1fr 1fr;
    gap: 0 14px;
  }

  .layer-panel .autorotate-control {
    margin-top: 0;
  }

  .frame-grid {
    grid-template-columns: 1fr 1fr;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .paper-result-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .paper-result-controls {
    width: 100%;
  }

  .paper-result-controls select {
    flex: 1;
    min-width: 0;
  }

  .native-panel-grid {
    grid-template-columns: repeat(var(--panel-count), minmax(220px, 72vw));
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding-bottom: 8px;
  }

  .native-pair-grid {
    grid-template-columns: 1fr;
  }

  .video-grid {
    gap: 32px;
  }

  .comparison-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .comparison-nav {
    width: 100%;
  }

  .comparison-nav select {
    flex: 1;
    min-width: 0;
  }

  .panel-grid-3 {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .release-links a {
    grid-template-columns: 82px 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 5px;
  }
}

@media (max-width: 430px) {
  .authors {
    gap: 7px 13px;
  }

  .affiliations span {
    display: block;
    height: 2px;
  }

  .affiliations span::after {
    content: "";
  }

  .hero-actions .button {
    flex: 1 1 auto;
  }

  .segmented button {
    padding-inline: 8px;
    font-size: 10px;
  }

  .layer-panel {
    grid-template-columns: 1fr;
  }

  .representation-lineage {
    grid-template-columns: 1fr;
  }

  .representation-lineage > div.is-fire3d {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .lineage-step {
    grid-auto-flow: column;
    justify-content: start;
    padding: 8px 0;
  }

  .lineage-step b {
    transform: rotate(90deg);
  }

  .comparison-tabs button {
    flex: 1 1 calc(50% - 6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}