:root {
  --background: #0a0c10;
  --surface: #0e1117;
  --text: #f1f2f4;
  --muted: #a0a5af;
  --quiet: #6f7580;
  --rule: #282c34;
  --rule-strong: #3a3f48;
  --accent: #b8c8e7;
  color-scheme: dark;
  font-family: "Geist", "Helvetica Neue", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* { box-sizing: border-box; }

html {
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--background);
  color: var(--text);
}

body, button, a { font: inherit; }

a {
  color: inherit;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

a:hover { color: #fff; }

a:focus-visible,
.table-scroll:focus-visible {
  border-radius: 2px;
  outline: 1px solid #fff;
  outline-offset: 5px;
}

::selection {
  background: #63718a;
  color: #fff;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 9px 13px;
  background: #fff;
  color: #080a0e;
  transform: translateY(-160%);
}

.skip-link:focus { transform: none; }

.shell {
  width: min(100%, 1328px);
  margin-inline: auto;
  padding-inline: 32px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: 24px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 92px;
  border-bottom: 1px solid var(--rule);
}

.identity {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.015em;
  text-decoration: none;
}

.identity img {
  display: block;
  width: 31px;
  height: auto;
}

.page-nav {
  display: flex;
  gap: 24px;
}

.page-nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.release-header {
  padding-top: 128px;
  padding-bottom: 112px;
}

.release-meta {
  grid-column: 1 / 3;
  padding-top: 13px;
  color: var(--quiet);
  font-size: 13px;
  line-height: 1.55;
}

.release-meta p { margin: 0; }

.release-intro { grid-column: 4 / 12; }

.release-intro h1 {
  margin: 0;
  font-size: clamp(76px, 9vw, 128px);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.072em;
}

.dek {
  max-width: 840px;
  margin: 52px 0 0;
  color: #d9dce2;
  font-size: clamp(25px, 3vw, 39px);
  font-weight: 300;
  line-height: 1.17;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.byline {
  margin: 28px 0 0;
  color: var(--quiet);
  font-size: 14px;
  line-height: 1.5;
}

.byline a {
  color: var(--muted);
  text-decoration-color: var(--rule-strong);
}

.primary-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px 28px;
  margin-top: 42px;
}

.primary-links a {
  color: var(--muted);
  font-size: 14px;
  text-decoration-color: var(--rule-strong);
}

.primary-links span,
.closing-links span {
  padding-left: 4px;
  color: var(--quiet);
}

.hero-figure {
  grid-column: 4 / 13;
  margin: 104px 0 0;
}

.hero-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 8.2;
  object-fit: cover;
  object-position: center 56%;
}

.hero-figure figcaption,
.results-figure figcaption,
.figure-note {
  color: var(--quiet);
  font-size: 13px;
  line-height: 1.5;
}

.hero-figure figcaption {
  max-width: 620px;
  margin-top: 13px;
}

.release-facts {
  display: grid;
  grid-column: 4 / 13;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 64px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}

.release-facts div { padding: 18px 18px 22px 0; }
.release-facts dt,
.release-facts dd { margin: 0; }

.release-facts dt {
  margin-bottom: 10px;
  color: var(--quiet);
  font-size: 12px;
}

.release-facts dd {
  color: #dfe2e7;
  font-size: 14px;
  line-height: 1.4;
}

.article { border-top: 1px solid var(--rule); }

.article-section {
  padding-top: 120px;
  padding-bottom: 128px;
  border-bottom: 1px solid var(--rule);
}

.section-label {
  grid-column: 1 / 3;
  margin: 8px 0 0;
  color: var(--quiet);
  font-size: 13px;
}

.section-body {
  grid-column: 4 / 10;
  max-width: 680px;
}

.section-body h2 {
  margin: 0 0 42px;
  font-size: clamp(40px, 4.2vw, 58px);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.052em;
}

.section-body p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.68;
  letter-spacing: -0.008em;
}

.section-body .lead {
  margin-bottom: 30px;
  color: #e6e8eb;
  font-size: 23px;
  font-weight: 300;
  line-height: 1.48;
  letter-spacing: -0.025em;
}

code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.input-output {
  display: grid;
  grid-column: 4 / 13;
  grid-template-columns: 2fr 1fr;
  margin-top: 64px;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}

.input-output > div {
  min-height: 190px;
  padding: 24px 0 28px;
}

.input-output > div + div {
  padding-left: 32px;
  border-left: 1px solid var(--rule);
}

.input-output p {
  margin: 0 0 38px;
  color: var(--quiet);
  font-size: 13px;
}

.input-output ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  color: #d7dae0;
  font-size: 15px;
  list-style: none;
}

.input-output strong {
  display: block;
  font-size: 60px;
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.input-output span {
  display: block;
  margin-top: 12px;
  color: var(--quiet);
  font-size: 13px;
}

.finding {
  grid-column: 4 / 13;
  margin: 88px 0 72px;
  padding: 62px 0 68px;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}

.finding p {
  max-width: 930px;
  margin: 0;
  color: #e8eaed;
  font-size: clamp(44px, 6vw, 82px);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.058em;
}

.after-finding { grid-column: 4 / 10; }

.results-figure {
  grid-column: 4 / 13;
  margin: 72px 0 0;
}

.results-figure figcaption { margin-bottom: 18px; }

.table-scroll {
  overflow-x: auto;
  border-top: 1px solid var(--rule-strong);
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

th,
td {
  padding: 18px 16px 18px 0;
  border-bottom: 1px solid var(--rule);
  text-align: right;
}

th:first-child,
td:first-child { text-align: left; }

thead th {
  color: var(--quiet);
  font-size: 12px;
  font-weight: 400;
}

tbody th {
  color: #e0e2e6;
  font-weight: 400;
}

tbody td { color: var(--muted); }

.recommended-row th,
.recommended-row td { color: #fff; }

.recommended-row th span {
  margin-left: 10px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 400;
}

.figure-note {
  max-width: 610px;
  margin: 15px 0 0;
}

.model-table {
  grid-column: 4 / 13;
  margin-top: 76px;
  border-top: 1px solid var(--rule-strong);
  scroll-margin-top: 40px;
}

.model-row {
  display: grid;
  grid-template-columns: 1fr 1.45fr 0.8fr;
  gap: 32px;
  align-items: baseline;
  padding: 25px 0 28px;
  border-bottom: 1px solid var(--rule);
}

.model-row-head {
  padding-block: 13px;
  color: var(--quiet);
  font-size: 12px;
}

.model-row h3,
.model-row p { margin: 0; }

.model-row h3 {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.model-row > div p {
  margin-top: 5px;
  color: var(--quiet);
  font-size: 12px;
}

.model-row > p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.artifact-links {
  display: flex;
  gap: 16px;
}

.artifact-links a {
  color: #d6d9df;
  text-decoration-color: var(--rule-strong);
}

.verification-block {
  grid-column: 4 / 10;
  margin-top: 54px;
  padding: 24px 0 27px;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}

.verification-block p {
  margin: 0 0 17px;
  color: var(--quiet);
  font-size: 13px;
}

.verification-block code {
  color: #e8eaed;
  font-size: 16px;
}

.limitations {
  margin: 56px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
  counter-reset: limits;
  list-style: none;
}

.limitations li {
  position: relative;
  padding: 25px 0 27px 44px;
  border-bottom: 1px solid var(--rule);
  counter-increment: limits;
}

.limitations li::before {
  content: counter(limits, decimal-leading-zero);
  position: absolute;
  top: 28px;
  left: 0;
  color: var(--quiet);
  font-size: 12px;
}

.limitations h3 {
  margin: 0 0 8px;
  color: #e3e5e9;
  font-size: 16px;
  font-weight: 400;
}

.limitations p {
  margin: 0;
  font-size: 15px;
  line-height: 1.58;
}

.release-section { padding-bottom: 150px; }

.publication-details {
  margin: 52px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.publication-details div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 14px 0 15px;
  border-bottom: 1px solid var(--rule);
}

.publication-details dt,
.publication-details dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
}

.publication-details dt { color: var(--quiet); }
.publication-details dd { color: #dfe2e7; }

.citation-block {
  margin-top: 62px;
}

.citation-block h3 {
  margin: 0 0 19px;
  color: #e3e5e9;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.citation-block pre {
  margin: 0;
  padding: 22px 0 24px;
  overflow-x: auto;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
  white-space: pre;
}

.closing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  margin-top: 42px !important;
}

.closing-links a {
  color: #e2e4e8;
  font-size: 15px;
  text-decoration-color: var(--rule-strong);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 140px;
  color: var(--quiet);
  font-size: 13px;
}

.site-footer nav {
  display: flex;
  gap: 28px;
}

.site-footer nav a { text-decoration-color: var(--rule-strong); }

@media (max-width: 900px) {
  .shell { padding-inline: 24px; }
  .grid { column-gap: 18px; }

  .release-header {
    padding-top: 96px;
    padding-bottom: 88px;
  }

  .release-meta,
  .section-label { grid-column: 1 / 4; }

  .release-intro,
  .hero-figure,
  .release-facts,
  .section-body,
  .input-output,
  .finding,
  .after-finding,
  .results-figure,
  .model-table,
  .verification-block { grid-column: 4 / 13; }

  .release-intro h1 { font-size: clamp(66px, 12vw, 96px); }
  .dek { margin-top: 40px; }
}

@media (max-width: 680px) {
  .shell { padding-inline: 20px; }
  .grid { display: block; }
  .site-header { height: 74px; }

  .identity {
    gap: 10px;
    font-size: 13px;
  }

  .identity img { width: 27px; }
  .page-nav {
    gap: 15px;
    font-size: 13px;
  }

  .page-nav a { font-size: 13px; }

  .release-header {
    padding-top: 68px;
    padding-bottom: 80px;
  }

  .release-meta {
    display: flex;
    gap: 8px;
    padding: 0 0 30px;
    font-size: 12px;
  }

  .release-meta p + p::before {
    content: "·";
    margin-right: 8px;
    color: var(--rule-strong);
  }

  .release-meta p:last-child { display: none; }

  .release-intro h1 {
    font-size: clamp(58px, 18vw, 78px);
    line-height: 0.94;
  }

  .dek {
    margin-top: 34px;
    font-size: 25px;
    line-height: 1.23;
  }

  .primary-links {
    display: grid;
    gap: 13px;
    margin-top: 34px;
  }

  .byline { margin-top: 25px; }

  .hero-figure { margin-top: 66px; }
  .hero-figure img { aspect-ratio: 4 / 3; }

  .release-facts {
    grid-template-columns: 1fr 1fr;
    margin-top: 48px;
  }

  .release-facts div:nth-child(odd) { border-right: 1px solid var(--rule); }

  .release-facts div:nth-child(even) { padding-left: 18px; }

  .release-facts div:nth-child(-n + 2) { border-bottom: 1px solid var(--rule); }

  .article-section {
    padding-top: 78px;
    padding-bottom: 86px;
  }

  .section-label { margin: 0 0 34px; }

  .section-body h2 {
    margin-bottom: 32px;
    font-size: 40px;
  }

  .section-body p {
    font-size: 16px;
    line-height: 1.65;
  }

  .section-body .lead {
    font-size: 21px;
    line-height: 1.45;
  }

  .input-output {
    grid-template-columns: 1fr;
    margin-top: 50px;
  }

  .input-output > div { min-height: 0; }

  .input-output > div + div {
    padding-left: 0;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .input-output p { margin-bottom: 24px; }

  .finding {
    margin: 62px 0 54px;
    padding: 44px 0 48px;
  }

  .finding p {
    font-size: 43px;
    line-height: 1.08;
  }

  .results-figure,
  .model-table { margin-top: 54px; }

  .model-row-head { display: none; }

  .model-row {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .artifact-links { padding-top: 2px; }
  .verification-block { margin-top: 45px; }
  .release-section { padding-bottom: 100px; }

  .site-footer {
    gap: 20px;
    min-height: 120px;
  }

  .site-footer nav { gap: 18px; }
}

@media (max-width: 370px) {
  .shell { padding-inline: 16px; }
  .identity span { display: none; }
  .page-nav { gap: 12px; }
  .page-nav a { font-size: 12px; }
  .release-intro h1 { font-size: 54px; }
  .dek { font-size: 23px; }
  .release-facts { grid-template-columns: 1fr; }

  .release-facts div,
  .release-facts div:nth-child(odd),
  .release-facts div:nth-child(even) {
    padding-left: 0;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .release-facts div:last-child { border-bottom: 0; }
}

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