:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --panel: #ffffff;
  --panel-soft: #fbfaf7;
  --ink: #191816;
  --muted: #65605a;
  --faint: #8d867c;
  --line: #d9d3c9;
  --line-strong: #bbb1a4;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --accent-soft: #d9eeea;
  --danger: #b42318;
  --danger-soft: #f8ded8;
  --gold: #986f0b;
  --blue: #255e8f;
  --shadow: 0 18px 55px rgba(38, 34, 29, 0.08);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration-color: rgba(15, 118, 110, 0.35);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--accent-strong);
  text-decoration-color: currentColor;
}

button {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-150%);
  background: var(--ink);
  color: white;
  padding: 0.6rem 0.8rem;
}

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

.wrap {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(25, 24, 22, 0.1);
  background: rgba(246, 244, 239, 0.94);
  backdrop-filter: blur(18px);
}

.topbar-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  min-width: 0;
}

.brand strong {
  display: block;
  font-size: 1rem;
  line-height: 1.1;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.16rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--panel);
  color: var(--accent-strong);
  font-weight: 800;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  flex-wrap: wrap;
  min-width: 0;
}

.nav a {
  text-decoration: none;
}

.summary-band {
  padding: 34px 0 26px;
  border-bottom: 1px solid var(--line);
}

.summary-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  gap: 28px;
  align-items: stretch;
}

.intro-panel,
.scoreboard,
.run-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  min-width: 0;
}

.intro-panel {
  padding: clamp(1.35rem, 4vw, 2.25rem);
}

.scoreboard {
  padding: 1.25rem;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  font-weight: 800;
}

h1,
h2,
h3,
h4,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.35rem, 7vw, 5.35rem);
  line-height: 0.96;
  letter-spacing: 0;
  max-width: 10.5em;
}

h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.28rem;
  line-height: 1.18;
}

h4 {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.lede {
  margin: 1.2rem 0 0;
  max-width: 56rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.actions,
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.45rem;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  padding: 0.68rem 0.95rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.92rem;
}

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

.button.secondary {
  border: 1px solid var(--line-strong);
  background: var(--panel-soft);
}

.compact-button {
  width: auto;
  min-height: 38px;
  white-space: nowrap;
}

.section {
  padding: 58px 0 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.15rem;
}

.section-head p {
  max-width: 62rem;
  color: var(--muted);
  margin: 0.8rem 0 0;
}

.section-head.compact {
  align-items: start;
  margin-bottom: 1rem;
}

.text-link {
  white-space: nowrap;
  color: var(--muted);
  font-size: 0.92rem;
}

.purpose-section {
  padding-top: 48px;
}

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

.job-grid article {
  display: grid;
  align-content: start;
  gap: 0.6rem;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1rem;
  box-shadow: var(--shadow);
  min-height: 245px;
}

.job-number {
  display: inline-flex;
  width: fit-content;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 900;
}

.job-grid p {
  color: var(--muted);
  margin: 0;
}

.job-grid a {
  align-self: end;
  font-weight: 850;
  margin-top: 0.25rem;
}

.ledger-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 1rem;
}

.ledger-grid article {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1rem;
}

.ledger-grid strong {
  display: block;
  color: var(--accent-strong);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}

.ledger-grid h3 {
  font-size: 1.08rem;
}

.ledger-grid p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0.55rem 0 0;
}

.notice-band {
  border: 1px solid rgba(152, 111, 11, 0.32);
  background: #fff7df;
  color: #4f3b08;
  padding: 0.85rem 1rem;
  margin: 0 0 1rem;
}

.notice-band strong {
  color: #3d2d06;
}

.subsection-head {
  margin: 1.6rem 0 0.8rem;
}

.subsection-head h3 {
  margin: 0;
}

.subsection-head p:not(.eyebrow) {
  max-width: 62rem;
  color: var(--muted);
  margin: 0.65rem 0 0;
}

.metric-grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric-grid div {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  padding: 0.9rem;
  min-height: 84px;
}

.metric-grid dt {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-grid dd {
  margin: 0.28rem 0 0;
  font-size: 1.35rem;
  line-height: 1.1;
  font-weight: 850;
}

.visual-card {
  margin-top: 1rem;
  border: 1px solid var(--line);
  background: #10221f;
  color: #eef8f5;
  padding: 1rem;
  min-height: 148px;
}

.check-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
  font-size: 0.75rem;
  color: rgba(238, 248, 245, 0.72);
}

.check-rail span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.pipeline-bars {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.pipeline-bars span {
  display: block;
  height: 12px;
  width: var(--w);
  background: linear-gradient(90deg, #79d4c8, #f0c66a);
}

.leaderboard-shell {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.leaderboard-shell.secondary-table {
  box-shadow: none;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 850px;
}

.leaderboard-table th,
.leaderboard-table td {
  padding: 0.9rem 0.95rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.leaderboard-table th {
  color: var(--muted);
  background: var(--panel-soft);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.leaderboard-table tbody tr:hover {
  background: #fdfbf5;
}

.rank-cell strong,
.rank-cell span {
  display: block;
}

.rank-cell span {
  color: var(--faint);
  font-size: 0.78rem;
  margin-top: 0.1rem;
}

.system-cell strong {
  display: block;
}

.system-cell span {
  display: block;
  color: var(--faint);
  font-size: 0.8rem;
  margin-top: 0.1rem;
}

.rate-bar {
  display: grid;
  grid-template-columns: minmax(54px, auto) 96px;
  align-items: center;
  gap: 0.7rem;
}

.rate-track {
  height: 9px;
  background: var(--danger-soft);
  border: 1px solid rgba(180, 35, 24, 0.16);
}

.rate-fill {
  display: block;
  height: 100%;
  width: var(--w);
  background: var(--danger);
}

.lab-section {
  padding-top: 64px;
}

.lab-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.72fr);
  gap: 18px;
  align-items: start;
}

.lab-form,
.lab-results {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.field-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: end;
}

.field-row.lab-model-row {
  grid-template-columns: minmax(150px, 0.4fr) minmax(0, 1fr) auto;
}

.field {
  display: grid;
  gap: 0.42rem;
  min-width: 0;
}

.field span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--panel-soft);
  color: var(--ink);
  font: inherit;
  padding: 0.72rem 0.78rem;
}

.field-hint {
  color: var(--faint);
  font-size: 0.78rem;
  line-height: 1.4;
}

.field textarea {
  resize: vertical;
  min-height: 260px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
}

.lab-textareas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 0.9rem;
}

.lab-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1rem;
}

#lab-status {
  color: var(--muted);
  font-size: 0.9rem;
}

.lab-empty {
  min-height: 420px;
  display: grid;
  align-content: center;
  gap: 0.6rem;
  color: var(--muted);
}

.lab-empty h3 {
  color: var(--ink);
}

.result-hero {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.result-hero > div {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  padding: 0.9rem;
}

.result-hero strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
}

.result-hero span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.28rem;
}

.dimension-list {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.dimension-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 44px minmax(110px, 0.8fr);
  gap: 0.65rem;
  align-items: center;
  font-size: 0.84rem;
}

.dimension-track {
  height: 8px;
  background: #e5dfd5;
  border: 1px solid var(--line);
}

.dimension-fill {
  display: block;
  height: 100%;
  width: var(--w);
  background: var(--accent);
}

.result-block {
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
  margin-top: 0.85rem;
}

.result-block ul {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.result-block li {
  margin: 0.35rem 0;
}

.danger-block li {
  color: var(--danger);
}

.result-block p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.lab-meta {
  color: var(--faint);
  font-size: 0.78rem;
  margin: 1rem 0 0;
}

.split {
  padding-top: 66px;
}

.split-head {
  align-items: start;
}

.case-workspace {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 18px;
}

.case-list,
.case-detail {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.case-list {
  padding: 0.9rem;
  align-self: start;
}

.case-list-title {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 850;
  margin-bottom: 0.65rem;
}

.case-button {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-soft);
  color: var(--ink);
  text-align: left;
  padding: 0.72rem;
  margin-bottom: 0.55rem;
  cursor: pointer;
}

.case-button:hover,
.case-button.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.case-button strong,
.case-button small {
  display: block;
}

.case-button small {
  color: var(--muted);
  margin-top: 0.15rem;
}

.case-detail {
  padding: 1rem;
  min-width: 0;
}

.case-toolbar {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  color: var(--muted);
  background: var(--panel-soft);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.pill.danger {
  border-color: rgba(180, 35, 24, 0.3);
  background: var(--danger-soft);
  color: var(--danger);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.doc-pane,
.finding-panel {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  padding: 0.9rem;
}

.doc-pane pre,
.code-block {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  color: #17312e;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
}

.doc-pane pre {
  max-height: 380px;
  overflow: auto;
  margin-top: 0.75rem;
}

.finding-panel {
  margin-top: 12px;
}

.finding-panel p {
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.method-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 28px;
  align-items: start;
}

.method-copy p:not(.eyebrow) {
  color: var(--muted);
  max-width: 34rem;
}

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

.method-cards article {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1rem;
  min-height: 220px;
  box-shadow: var(--shadow);
}

.method-cards span {
  display: inline-flex;
  margin-bottom: 2.8rem;
  color: var(--accent-strong);
  font-weight: 900;
  font-family: var(--mono);
}

.method-cards p {
  color: var(--muted);
  font-size: 0.94rem;
}

.run-panel {
  margin-top: 66px;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.run-panel p:not(.eyebrow) {
  color: var(--muted);
}

.run-steps {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.run-steps article {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  padding: 0.9rem;
}

.run-steps span {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-weight: 900;
  margin-bottom: 0.7rem;
}

.run-steps h3 {
  font-size: 1rem;
}

.run-steps p {
  margin: 0.45rem 0 0;
  font-size: 0.92rem;
}

.command-stack {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.command-stack article {
  min-width: 0;
}

.command-stack h3 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
}

.code-block {
  overflow: auto;
  background: #10221f;
  color: #eef8f5;
  padding: 1rem;
  border: 1px solid #24443f;
}

.link-row {
  grid-column: 1 / -1;
  margin-top: 0;
}

.link-row a {
  font-weight: 800;
}

.footer {
  margin-top: 70px;
  border-top: 1px solid var(--line);
  padding: 24px 0;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner div {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 920px) {
  .topbar-inner,
  .section-head,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-grid,
  .lab-shell,
  .case-workspace,
  .method-grid,
  .run-panel {
    grid-template-columns: 1fr;
  }

  .method-cards,
  .job-grid,
  .ledger-grid,
  .run-steps,
  .field-row,
  .field-row.lab-model-row,
  .lab-textareas,
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .case-list {
    position: static;
  }
}

@media (max-width: 560px) {
  .wrap {
    width: min(100% - 28px, 1180px);
  }

  .nav {
    justify-content: flex-start;
    gap: 0.75rem;
    width: 100%;
  }

  .brand {
    align-items: flex-start;
  }

  .brand small {
    max-width: 16rem;
  }

  .summary-band {
    padding-top: 20px;
  }

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

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

  .button {
    width: 100%;
  }

  .case-toolbar {
    flex-direction: column;
  }

  .result-hero,
  .dimension-row {
    grid-template-columns: 1fr;
  }
}