:root {
  --ink: #17211d;
  --muted: #66716c;
  --paper: #f4f2ec;
  --surface: #fbfaf7;
  --line: #d8d8d0;
  --accent: #087f6c;
  --accent-dark: #075f52;
  --coral: #e76f51;
  --amber: #e9b44c;
  --blue: #4677a8;
  --shadow: 0 18px 50px rgba(23, 33, 29, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

.shell {
  width: min(1480px, calc(100% - 64px));
  margin-inline: auto;
}

.topbar {
  background: #0b443a;
  color: #f7f4eb;
}

.hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 25%, rgba(233, 180, 76, 0.16), transparent 24%),
    linear-gradient(135deg, #092e29 0%, #0b443a 56%, #07584b 100%);
  color: #f7f4eb;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.17);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  font-family: Georgia, serif;
}

.nav-links {
  display: flex;
  gap: 30px;
  font-size: 0.88rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.74);
  text-decoration: none;
}

.nav-links a:hover {
  color: white;
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.55fr);
  gap: 7vw;
  align-items: end;
  padding-block: 86px 96px;
}

.eyebrow {
  margin: 0 0 22px;
  color: #99ddd0;
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow span {
  display: inline-block;
  width: 24px;
  height: 1px;
  margin-right: 9px;
  vertical-align: middle;
  background: currentColor;
}

.eyebrow.muted {
  color: var(--accent);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 930px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.4rem, 7vw, 7.6rem);
  font-weight: 400;
  letter-spacing: -0.052em;
  line-height: 0.91;
}

h1 em {
  color: #f2c86d;
  font-weight: 400;
}

.hero-copy {
  max-width: 690px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
}

.hero-note {
  padding: 26px 0 4px 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
}

.note-index {
  color: #f2c86d;
  font-size: 0.77rem;
  font-weight: 700;
}

.hero-note p {
  margin: 50px 0 28px;
  color: rgba(255, 255, 255, 0.78);
}

.research-label {
  display: inline-block;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.17);
}

.metrics div {
  display: flex;
  flex-direction: column;
  padding: 27px 28px 30px 0;
}

.metrics div + div {
  padding-left: 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.17);
}

.metrics strong {
  font-family: Georgia, serif;
  font-size: 2rem;
  font-weight: 400;
}

.metrics span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.leaderboard {
  padding-block: 56px 64px;
}

.section-heading {
  display: block;
  margin-bottom: 30px;
}

.performance-title {
  max-width: none;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
}

h2 {
  margin: 0;
  font-family: Georgia, serif;
  font-size: clamp(2.35rem, 4vw, 4.4rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1;
}

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

.view-tabs {
  display: flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.42);
}

.view-tabs button {
  flex: 1;
  padding: 14px 18px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
  text-align: left;
}

.view-tabs button span {
  margin-right: 12px;
  color: #9b9f9c;
  font-size: 0.72rem;
}

.view-tabs button[aria-selected="true"] {
  background: var(--ink);
  box-shadow: var(--shadow);
  color: white;
}

.view-tabs button[aria-selected="true"] span {
  color: #8ed9cb;
}

.plot-card {
  margin-top: 24px;
  padding: 24px 24px 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.plot-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-inline: 8px;
}

.plot-heading h2 {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.plot-controls {
  display: flex;
  align-items: center;
  gap: 18px;
}

.plot-controls p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.plot-metric {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.plot-metric select {
  min-width: 144px;
  padding: 7px 30px 7px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: normal;
  text-transform: none;
  cursor: pointer;
}

.plot-metric select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.plot-legend {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  white-space: nowrap;
}

.plot-legend::before {
  width: 10px;
  height: 10px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 1px var(--coral);
  content: "";
}

.release-plot {
  overflow-x: auto;
}

.plot-tooltip {
  position: fixed;
  z-index: 20;
  display: grid;
  max-width: min(320px, calc(100vw - 24px));
  gap: 3px;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
  box-shadow: 0 8px 24px rgba(20, 35, 36, 0.2);
  font-size: 0.76rem;
  line-height: 1.35;
  pointer-events: none;
  opacity: 1;
  transition: opacity 90ms ease;
}

.plot-tooltip[aria-hidden="true"] {
  opacity: 0;
  visibility: hidden;
}

.plot-tooltip-name {
  overflow-wrap: anywhere;
  font-size: 0.82rem;
  font-weight: 800;
}

.plot-tooltip-meta {
  color: color-mix(in srgb, var(--surface) 72%, transparent);
}

.release-plot svg {
  display: block;
  width: 100%;
  min-width: 720px;
  height: auto;
}

.plot-grid line {
  stroke: var(--line);
  stroke-width: 1;
}

.plot-grid text,
.axis-label {
  fill: var(--muted);
  font-family: inherit;
  font-size: 11px;
}

.axis-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.plot-marks circle {
  fill: var(--accent);
  stroke: var(--surface);
  stroke-width: 3;
  cursor: pointer;
  transition: r 140ms ease, fill 140ms ease;
}

.plot-marks circle.sota-point {
  fill: var(--coral);
}

.plot-marks a:hover circle,
.plot-marks a:focus circle {
  r: 10px;
  fill: var(--amber);
}

.point-label {
  fill: var(--ink);
  font-family: inherit;
  font-size: 11px;
  font-weight: 750;
  paint-order: stroke;
  stroke: var(--surface);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
}

.search {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(100%, 420px);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.search input::placeholder {
  color: #8a928e;
}

#result-count {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.table-frame {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  min-width: 1080px;
  border-collapse: collapse;
}

th,
td {
  padding: 17px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #ebe9e2;
  color: #69716d;
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

th button {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:hover {
  background: #f4f2eb;
}

.rank-column {
  width: 72px;
  text-align: center;
}

.rank {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.rank.top {
  color: var(--accent);
  font-weight: 800;
}

.model-cell a {
  color: var(--ink);
  font-weight: 720;
  text-decoration: none;
}

.model-cell a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.model-org {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 500;
}

.run-badge {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e6e5df;
  color: #626a66;
  font-size: 0.7rem;
  font-weight: 700;
}

.score {
  background:
    linear-gradient(90deg, rgba(8, 127, 108, 0.1) var(--score), transparent var(--score));
  font-variant-numeric: tabular-nums;
}

.score.average {
  color: var(--accent-dark);
  font-weight: 800;
}

.mobile-cards {
  display: none;
}

.about-view {
  padding-top: 50px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.about-grid > div {
  min-height: 280px;
  padding: 34px;
  background: var(--surface);
}

.about-number {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
}

.about-grid h3,
.reproduce h3 {
  margin: 48px 0 14px;
  font-family: Georgia, serif;
  font-size: 1.7rem;
  font-weight: 400;
}

.about-grid p:last-child,
.reproduce p {
  color: var(--muted);
}

.reproduce {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
  margin-top: 34px;
  padding: 38px;
  border-radius: 14px;
  background: #e4eee9;
}

.reproduce h3 {
  margin: 0 0 10px;
}

.button-link,
#copy-citation {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.button-link:hover,
#copy-citation:hover {
  background: var(--ink);
  color: white;
}

.citation {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  align-items: end;
  padding: 70px 0;
  border-top: 1px solid var(--line);
}

.citation p:last-child {
  max-width: 740px;
  margin: 24px 0 0;
  color: var(--muted);
}

.citation a {
  text-decoration-color: rgba(8, 127, 108, 0.42);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.citation a:hover {
  color: var(--accent-dark);
}

footer {
  background: var(--ink);
  color: white;
}

footer .shell {
  display: flex;
  justify-content: space-between;
  padding-block: 30px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.8rem;
}

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

noscript {
  display: block;
  padding: 20px;
  text-align: center;
}

@media (max-width: 900px) {
  .shell {
    width: min(100% - 32px, 1480px);
  }

  .hero-note {
    max-width: 520px;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics div:nth-child(3) {
    border-top: 1px solid rgba(255, 255, 255, 0.17);
    border-left: 0;
    padding-left: 0;
  }

  .metrics div:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.17);
  }

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

  .plot-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .plot-controls {
    flex-wrap: wrap;
    gap: 10px 18px;
  }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }

  .hero-content {
    padding-block: 64px;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 5rem);
  }

  .metrics strong {
    font-size: 1.55rem;
  }

  .metrics div {
    padding: 20px 14px 22px 0;
  }

  .metrics div + div {
    padding-left: 14px;
  }

  .leaderboard {
    padding-block: 68px;
  }

  .view-tabs {
    overflow-x: auto;
  }

  .view-tabs button {
    min-width: 170px;
  }

  .plot-card {
    padding-inline: 12px;
  }

  .plot-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .plot-controls {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .plot-metric select {
    min-width: 176px;
  }

  .toolbar {
    align-items: stretch;
    flex-direction: column;
    justify-content: center;
  }

  #result-count {
    margin: 10px 0 0;
  }

  .table-frame {
    display: none;
  }

  .mobile-cards {
    display: grid;
    gap: 12px;
  }

  .model-card {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: 0 8px 24px rgba(23, 33, 29, 0.05);
  }

  .card-head,
  .card-scores {
    display: flex;
    justify-content: space-between;
    gap: 18px;
  }

  .card-head a {
    overflow-wrap: anywhere;
    color: var(--ink);
    font-weight: 750;
    text-decoration: none;
  }

  .card-rank {
    color: var(--accent);
    font-family: Georgia, serif;
    font-size: 1.5rem;
  }

  .card-average {
    margin: 24px 0;
    color: var(--accent-dark);
    font-family: Georgia, serif;
    font-size: 2.4rem;
  }

  .card-average small {
    color: var(--muted);
    font-family: inherit;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .card-scores {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .card-scores span {
    display: flex;
    flex-direction: column;
    font-variant-numeric: tabular-nums;
  }

  .card-scores small {
    color: var(--muted);
    font-size: 0.66rem;
  }

  .reproduce,
  .citation,
  footer .shell {
    align-items: stretch;
    flex-direction: column;
  }

  .citation {
    display: flex;
  }
}

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