:root {
  color-scheme: light;
  --ink: #09110f;
  --ink-soft: #36413e;
  --paper: #fffdf7;
  --paper-deep: #f2eee3;
  --line: #c9c5ba;
  --red: #cf3b2e;
  --red-dark: #8c2019;
  --green: #3b6710;
  --green-pale: #dce9cb;
  --acid: #d8f05e;
  --navy: #152d3c;
  --shadow: 0 18px 50px rgb(9 17 15 / 12%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(90deg, transparent 49.92%, rgb(9 17 15 / 4%) 50%, transparent 50.08%) 50% 0 / min(94vw, 1440px) 100%,
    var(--paper);
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: var(--red-dark);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 0.08em;
}

a:hover {
  text-decoration-thickness: 0.16em;
}

button,
select,
input {
  font: inherit;
}

:focus-visible {
  outline: 3px solid #fffdf7;
  outline-offset: 2px;
  box-shadow: 0 0 0 5px #09110f;
}

[hidden] {
  display: none !important;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-180%);
}

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

.site-header,
main,
footer {
  width: min(94vw, 1440px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  border-bottom: 1px solid var(--ink);
}

.wordmark {
  display: inline-flex;
  gap: 0.65rem;
  align-items: center;
  color: var(--ink);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark span {
  display: grid;
  width: 2.15rem;
  aspect-ratio: 1;
  place-items: center;
  color: var(--paper);
  background: var(--ink);
  border-radius: 50%;
  font-size: 0.7rem;
  letter-spacing: 0;
}

.header-note {
  color: var(--ink-soft);
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.76rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.7fr);
  gap: clamp(2rem, 7vw, 8rem);
  align-items: end;
  min-height: 680px;
  padding: clamp(4rem, 9vw, 8rem) clamp(1rem, 5vw, 5rem) 5rem;
  border-bottom: 1px solid var(--ink);
}

.eyebrow,
.section-number,
.method-kicker {
  margin: 0 0 1rem;
  color: var(--red-dark);
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 1000px;
  margin-bottom: 1.75rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4rem, 8.4vw, 9.2rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.82;
}

h1 em {
  color: var(--red);
  font-weight: 400;
}

h2 {
  max-width: 17ch;
  margin-bottom: 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 4.1vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

h3 {
  font-size: clamp(1.45rem, 2vw, 2.15rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.lede {
  max-width: 720px;
  margin-bottom: 1.8rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
}

.status {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-executed {
  color: var(--paper);
  background: var(--ink);
}

.status-checked {
  color: #3b6710;
  background: var(--green-pale);
}

.status-boundary {
  max-width: 780px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.hero-facts {
  margin: 0;
  border-top: 5px solid var(--ink);
}

.hero-facts div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.hero-facts dt {
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.35rem;
  line-height: 1;
  text-align: right;
}

.hero-facts small {
  display: block;
  margin-top: 0.35rem;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.03em;
}

.result-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 2rem clamp(1rem, 5vw, 5rem);
  color: var(--paper);
  background: var(--red-dark);
}

.result-strip p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.result-strip p:nth-child(3) {
  text-align: right;
}

.result-strip span {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  font-weight: 400;
  line-height: 1;
}

.result-strip .result-arrow {
  color: var(--acid);
  font-family: ui-sans-serif, system-ui, sans-serif;
}

.result-strip .strip-note {
  grid-column: 1 / -1;
  color: #f4beb8;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 500;
  text-align: center;
  text-transform: uppercase;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 7vw, 8rem);
  padding: clamp(5rem, 9vw, 9rem) clamp(1rem, 5vw, 5rem);
  border-bottom: 1px solid var(--ink);
}

.prose {
  max-width: 780px;
  font-size: 1.04rem;
}

.prose > p {
  max-width: 70ch;
}

.rule-card,
.claim {
  margin-top: 2rem;
  padding: 1.4rem 1.55rem;
  border-left: 6px solid var(--red);
  background: var(--paper-deep);
}

.interactive,
.tables {
  padding: clamp(5rem, 9vw, 9rem) clamp(1rem, 5vw, 5rem);
  border-bottom: 1px solid var(--ink);
}

.section-heading {
  max-width: 900px;
  margin-bottom: 3rem;
}

.section-heading.compact {
  margin-bottom: 2rem;
}

.section-heading p:last-child {
  max-width: 68ch;
  color: var(--ink-soft);
}

.init-status,
.noscript-note {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: var(--paper-deep);
  font-size: 0.85rem;
}

.init-ready {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-pale);
}

.init-error {
  border-color: var(--red-dark);
  color: var(--red-dark);
}

.lab-shell {
  overflow: hidden;
  border: 1px solid var(--ink);
  background: #fffef9;
  box-shadow: var(--shadow);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: end;
  padding: 1.4rem;
  border-bottom: 1px solid var(--ink);
  background: var(--paper-deep);
}

.control-group {
  min-width: 190px;
}

.control-grow {
  flex: 1 1 420px;
}

.control-group label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.45rem;
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

select {
  width: 100%;
  min-height: 46px;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  background: var(--paper);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--red-dark);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  color: var(--ink-soft);
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.7rem;
}

.control-boundary {
  flex-basis: 100%;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.button {
  min-height: 46px;
  padding: 0.7rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.button:disabled,
select:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.button-primary {
  color: var(--paper);
  background: var(--red-dark);
}

.button-secondary {
  color: var(--paper);
  background: var(--navy);
}

.button-quiet {
  background: transparent;
}

.button:not(:disabled):hover {
  color: var(--ink);
  background: var(--acid);
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.method-card {
  min-height: 360px;
  padding: clamp(1.5rem, 4vw, 3.5rem);
}

.method-card + .method-card {
  border-left: 1px solid var(--ink);
}

.method-honest {
  background: var(--paper);
}

.method-leaky {
  background: #fbebe7;
}

.method-card dl {
  margin: 2rem 0 0;
}

.method-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
}

.method-card dt {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.method-card dd {
  margin: 0;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-weight: 800;
  text-align: right;
}

.warning-note {
  margin: 1.4rem 0 0;
  padding: 0.75rem;
  border: 1px solid var(--red-dark);
  color: var(--red-dark);
  font-size: 0.78rem;
}

.comparison-chart {
  padding: 1.5rem clamp(1.25rem, 4vw, 3.5rem) 2rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: #f9f7ef;
}

.chart-title {
  margin-bottom: 1.25rem;
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(120px, 190px) 1fr 70px;
  gap: 1rem;
  align-items: center;
  margin-top: 0.75rem;
  font-size: 0.8rem;
}

.bar-track {
  height: 13px;
  overflow: hidden;
  border: 1px solid var(--ink);
  background: var(--paper);
}

.bar-track i {
  display: block;
  width: var(--bar-value);
  height: 100%;
  background: var(--navy);
}

.bar-row:nth-child(3) .bar-track i {
  background: var(--red);
}

.bar-audit .bar-track i {
  background: var(--green);
}

.bar-row strong {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  text-align: right;
}

.prediction {
  margin: 0;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  border: 0;
}

.prediction legend {
  max-width: 680px;
  padding: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.6rem, 2.5vw, 2.6rem);
  line-height: 1.05;
}

.prediction > p {
  color: var(--ink-soft);
}

.prediction-options {
  display: grid;
  gap: 0.65rem;
  margin: 1.5rem 0;
}

.prediction-option {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: start;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  cursor: pointer;
}

.prediction-option:has(input:checked) {
  border-color: var(--ink);
  background: var(--green-pale);
}

.prediction-option input {
  margin-top: 0.25rem;
  accent-color: var(--green);
}

.audit-panel {
  padding: clamp(2rem, 5vw, 4.5rem);
  color: var(--paper);
  background: var(--navy);
}

.audit-panel .method-kicker {
  color: var(--acid);
}

.audit-panel h3 {
  max-width: 760px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 4.3rem);
  font-weight: 400;
}

.audit-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 2rem 0;
  background: rgb(255 255 255 / 25%);
}

.audit-metrics p {
  display: flex;
  min-height: 130px;
  flex-direction: column;
  justify-content: space-between;
  margin: 0;
  padding: 1.25rem;
  background: var(--navy);
}

.audit-metrics span,
.export-note {
  color: #b9cad3;
  font-size: 0.75rem;
}

.audit-metrics strong {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 1.2rem;
}

.feedback {
  max-width: 760px;
  min-height: 1.6em;
  color: var(--acid);
}

.export-note {
  margin: 0.6rem 0 0;
}

.tables details {
  border-top: 1px solid var(--ink);
}

.tables details:last-of-type {
  border-bottom: 1px solid var(--ink);
}

.tables summary {
  padding: 1.25rem 0;
  font-weight: 850;
  cursor: pointer;
}

.table-wrap {
  overflow: auto;
  max-width: 100%;
  margin-bottom: 2rem;
  border: 1px solid var(--line);
}

.table-tall {
  max-height: 680px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  white-space: nowrap;
}

caption {
  padding: 0.8rem 1rem;
  color: var(--ink-soft);
  background: var(--paper-deep);
  font-size: 0.72rem;
  text-align: left;
}

th,
td {
  padding: 0.65rem 0.75rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: right;
}

th:first-child,
td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--paper);
}

thead th {
  position: sticky;
  z-index: 2;
  top: 0;
  color: var(--paper);
  background: var(--ink);
}

thead th:first-child {
  z-index: 3;
  background: var(--ink);
}

tbody tr:nth-child(even) {
  background: #f7f4eb;
}

.machine-link {
  margin-top: 1.25rem;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.8rem;
}

.pin-list {
  margin: 0 0 2rem;
}

.pin-list div {
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
}

.pin-list dt {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.pin-list dd {
  overflow-wrap: anywhere;
  margin: 0.25rem 0 0;
}

code {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.76rem;
}

.evidence-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-bottom: 2rem;
}

.evidence-links a {
  padding: 0.85rem;
  border: 1px solid var(--ink);
  font-size: 0.85rem;
  font-weight: 800;
  text-decoration: none;
}

.evidence-links a:hover {
  color: var(--paper);
  background: var(--ink);
}

.limitations {
  padding-left: 1.25rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.limitations li + li {
  margin-top: 0.65rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 5vw, 5rem);
  color: var(--ink-soft);
  font-size: 0.72rem;
  text-transform: uppercase;
}

footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .hero,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

  .result-arrow {
    transform: rotate(90deg);
  }

  .result-strip p:nth-child(3) {
    text-align: left;
  }

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

  .method-card + .method-card {
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .audit-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    padding: 1rem 0;
  }

  .header-note {
    max-width: 18ch;
    text-align: right;
  }

  h1 {
    font-size: clamp(3.25rem, 17vw, 5.2rem);
  }

  .hero {
    padding-inline: 0;
  }

  .result-strip,
  .content-grid,
  .interactive,
  .tables {
    padding-inline: 1rem;
  }

  .controls {
    align-items: stretch;
  }

  .control-group,
  .button {
    width: 100%;
  }

  .bar-row {
    grid-template-columns: 1fr 62px;
  }

  .bar-track {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .evidence-links {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
  }
}

@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;
  }
}

@media print {
  .site-header,
  .controls,
  .prediction,
  .button {
    display: none !important;
  }

  body {
    background: #fff;
    font-size: 10pt;
  }

  main,
  footer {
    width: 100%;
  }

  .hero {
    min-height: auto;
  }

  .table-tall {
    max-height: none;
  }
}