:root {
  --paper: #ffffff;
  --paper-warm: #fbf7f3;
  --oxide: #8e3518;
  --oxide-dark: #542012;
  --oxide-pale: #f2ded3;
  --ink: #261a16;
  --muted: #6f5b52;
  --rule: #dccac0;
  --inverse: #fff9f5;
  --focus: #b84a20;
  --content: min(1040px, calc(100% - 3.5rem));
  --abstract: min(900px, calc(100% - 3.5rem));
  --sans: "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --mono: "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.7;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.65rem 0.9rem;
  color: var(--inverse);
  background: var(--oxide-dark);
  transform: translateY(-160%);
}

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

.content-shell,
.nav-shell {
  width: var(--content);
  margin-inline: auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 96%, transparent);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(10px);
}

.nav-shell {
  display: flex;
  min-height: 4.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  flex: 0 0 auto;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand span {
  color: var(--oxide);
}

nav {
  display: flex;
  align-items: center;
  gap: 1.65rem;
}

nav a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 140ms ease-out;
}

nav a:hover,
nav a[aria-current="true"] {
  color: var(--oxide);
}

.paper-hero {
  display: grid;
  min-height: calc(78dvh - 4.25rem);
  place-items: center;
  padding: 6rem 0 4.5rem;
  border-bottom: 1px solid var(--rule);
}

.hero-content {
  text-align: center;
}

.project-video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  margin-top: 2rem;
  background: #000;
}


.project-label {
  margin: 0 0 1rem;
  color: var(--oxide);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(3.75rem, 10vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 0.95;
}

.paper-title {
  margin: 1.25rem auto 1.4rem;
  color: var(--oxide);
  font-family: var(--serif);
  font-size: clamp(1.7rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.14;
  text-wrap: balance;
}

.authors {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  font-weight: 650;
}

.affiliation {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.paper-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.action {
  display: inline-flex;
  min-width: 7rem;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.35rem;
  border: 2px solid var(--oxide-dark);
  font-size: 0.875rem;
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  transition: color 140ms ease-out, background 140ms ease-out, transform 140ms ease-out;
}

.action-primary {
  color: var(--inverse);
  background: var(--oxide-dark);
}

.action-secondary {
  color: var(--oxide-dark);
  background: var(--paper);
}

.action:hover {
  color: var(--inverse);
  background: var(--oxide);
  transform: translateY(-2px);
}

.action:active {
  transform: translateY(0);
}

.research-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--rule);
}

.warm-section {
  background: var(--paper-warm);
}

.abstract-section {
  padding-block: 5.5rem;
}

.abstract-section h2,
.section-heading h2 {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.15;
  text-align: center;
}

.title-rule {
  width: 2.75rem;
  height: 3px;
  margin: 0.8rem auto 2rem;
  background: var(--oxide);
}

.abstract-text {
  margin: 0 0 1.25rem;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 550;
  line-height: 1.75;
}

.abstract-text:last-child {
  margin-bottom: 0;
}

.abstract-text strong {
  color: var(--oxide-dark);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 2.75rem;
  text-align: center;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.tab-row {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
  overflow-x: auto;
}

.tab-row button {
  flex: 0 0 auto;
  min-height: 3rem;
  padding: 0.65rem 1.2rem;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.03em;
  transition: color 140ms ease-out, border-color 140ms ease-out;
}

.tab-row button:hover {
  color: var(--ink);
}

.tab-row button[aria-selected="true"] {
  color: var(--oxide);
  border-bottom-color: var(--oxide);
}



figure {
  margin: 0;
}







figcaption,
.figure-caption {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.55;
  text-align: center;
}

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













































.benchmark-panel {
  padding: 1.75rem;
  background: var(--paper);
  border: 1px solid var(--rule);
}

.benchmark-summary {
  margin: 0 0 1.25rem;
  color: var(--muted);
  text-align: center;
}

.metric-row {
  display: grid;
  grid-template-columns: minmax(11rem, 1.6fr) 7rem 2fr;
  min-height: 4rem;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--rule);
}

.metric-name {
  font-weight: 750;
}

.metric-name span {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
}

.metric-value {
  font-family: var(--mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.metric-track,
.recall-track {
  height: 0.45rem;
  overflow: hidden;
  background: var(--oxide-pale);
}

.metric-track span,
.recall-track span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--oxide);
  transform-origin: left;
}

.metric-track span {
  transform: scaleX(var(--metric-scale));
  transition: transform 180ms ease-in-out;
}

.metric-row.is-failed .metric-value {
  color: var(--oxide);
}

.result-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2rem;
  border-block: 1px solid var(--rule);
}

.result-summary div {
  padding: 1.5rem;
  border-right: 1px solid var(--rule);
  text-align: center;
}

.result-summary div:last-child {
  border-right: 0;
}

.result-summary strong,
.result-summary span {
  display: block;
}

.result-summary strong {
  color: var(--oxide);
  font-family: var(--mono);
  font-size: 1.35rem;
}

.result-summary span {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.vpr-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.vpr-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.recall-result {
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule);
}

.recall-result p {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 0.75rem;
}

.recall-result span,
.recall-result small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.recall-result strong {
  color: var(--oxide);
  font-family: var(--mono);
  font-size: 1.55rem;
}

.recall-track span {
  transform: scaleX(var(--recall));
}

.vpr-results > p {
  color: var(--muted);
}

.citation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 16rem;
  gap: 2rem;
  align-items: center;
}

pre {
  margin: 0;
  padding: 1.5rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.6;
}

.citation-layout > div p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

footer {
  padding: 2rem 0;
  color: var(--inverse);
  background: var(--oxide-dark);
}

footer .content-shell {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

footer p {
  margin: 0;
}

footer a {
  font-weight: 700;
}

@media (max-width: 767px) {
  :root {
    --content: min(100% - 2.5rem, 1040px);
    --abstract: min(100% - 2.5rem, 900px);
  }

  .nav-shell {
    min-height: 4rem;
    align-items: flex-start;
    padding-block: 0.6rem;
  }

  nav {
    max-width: 18rem;
    justify-content: flex-end;
    gap: 0 0.9rem;
    flex-wrap: wrap;
  }

  nav a {
    min-height: 1.75rem;
    font-size: 0.65rem;
  }

  .paper-hero {
    min-height: auto;
    padding: 5rem 0 4rem;
  }

  .research-section,
.abstract-section {
    padding-block: 3.5rem;
  }

  .vpr-grid,
.citation-layout {
    grid-template-columns: 1fr;
  }

  

  

  

  .metric-row {
    grid-template-columns: 1.5fr 1fr;
    padding-block: 0.7rem;
  }

  .metric-track {
    grid-column: 1 / -1;
  }

  .result-summary {
    grid-template-columns: 1fr;
  }

  .result-summary div {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .result-summary div:last-child {
    border-bottom: 0;
  }

  footer .content-shell {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .brand {
    display: none;
  }

  .nav-shell {
    justify-content: center;
  }

  nav {
    justify-content: center;
  }

  .paper-title br {
    display: none;
  }

  

  .tab-row {
    justify-content: flex-start;
  }

  .tab-row button {
    padding-inline: 0.9rem;
  }

  .benchmark-panel {
    padding: 1rem;
  }
}

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

  *,
*::before,
*::after {
    transition-duration: 0.01ms !important;
  }
}

.demo-link { text-align: center; margin: 0 0 1.5rem; }
.interactive-lab { display: block; width: 100%; height: 1080px; border: 1px solid var(--rule); background: var(--paper); }
@media (max-width: 850px) { .interactive-lab { height: 1390px; } }
@media (max-width: 540px) { .interactive-lab { height: 1570px; } }

.project-video { position: relative; overflow: hidden; }
.video-preview { display: block; position: relative; width: 100%; height: 100%; color: #fff; }
.video-preview img { display: block; width: 100%; height: 100%; object-fit: contain; }
.video-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); display: grid; place-items: center; width: 72px; height: 50px; border-radius: 12px; background: #c00; color: #fff; font-size: 26px; }
.video-preview:hover .video-play,
.video-preview:focus-visible .video-play { background: #f00; }
.video-preview:focus-visible { outline: 3px solid var(--oxide); outline-offset: -3px; }
.video-caption { position: absolute; bottom: 12px; right: 12px; padding: 4px 10px; background: #000c; color: #fff; font-size: 12px; }
.project-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

#interactive-demo > .content-shell { width: min(1760px, calc(100% - 64px)); }
.reference-grid,
.atmosphere-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.showcase-video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #000; }
.atmosphere-grid { margin-top: 64px; }
.atmosphere-grid article { min-width: 0; }
.atmosphere-grid h3 { font-size: clamp(18px, 2vw, 24px); min-height: 58px; margin: 0; }
.atmosphere-grid article > p:not(.figure-caption) { min-height: 72px; line-height: 1.6; }
.atmosphere-equation { display: block; height: 64px; width: auto; max-width: 100%; object-fit: contain; object-position: left center; filter: invert(1); }
.atmosphere-reference { font-size: 12px; line-height: 1.6; color: var(--muted); }
@media(max-width:600px) { #interactive-demo > .content-shell { width: calc(100% - 24px); }.reference-grid { gap: 16px; }.atmosphere-grid { grid-template-columns: 1fr; }.atmosphere-grid h3,
.atmosphere-grid article > p:not(.figure-caption) { min-height: 0; }.atmosphere-equation { margin-top: 16px; height: 48px; } }

.atmosphere-equation[src$="solar.svg"] {width:210px}.atmosphere-equation[src$="dust.svg"] {width:350px}

.rover-drive-grid {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:40px}@media(max-width:600px){.rover-drive-grid {grid-template-columns:1fr;gap:24px}}