:root {
  color-scheme: light;
  --paper: #f3eee4;
  --paper-raised: #f8f4eb;
  --ink: #1e1d19;
  --ink-soft: #625f56;
  --rule: #c8c0b2;
  --rule-dark: #8d877d;
  --red: #a33d32;
  --red-pale: #ead4ce;
  --green: #38634a;
  --green-pale: #d8e0d4;
  --amber: #8a6327;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}

body::before {
  position: fixed;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  height: 5px;
  background: var(--ink);
  content: "";
}

a {
  color: inherit;
}

.page {
  width: min(100% - 48px, 1180px);
  margin: 0 auto;
  padding: 48px 0 68px;
}

.masthead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 0 0 38px;
  border-bottom: 1px solid var(--ink);
}

.wordmark {
  display: inline-flex;
  gap: 14px;
  align-items: baseline;
  color: inherit;
  font-size: 0.72rem;
  font-weight: 740;
  letter-spacing: 0.11em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark span + span {
  padding-left: 14px;
  border-left: 1px solid var(--rule-dark);
  color: var(--ink-soft);
  font-weight: 560;
}

.wordmark:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 5px;
}

.masthead-meta {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.025em;
}

.masthead-status {
  display: grid;
  gap: 5px;
  justify-items: end;
  margin-top: -3px;
  text-align: right;
}

.integrity-status {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.65rem;
  line-height: 1.35;
}

.integrity-status[data-state="verified"] {
  color: var(--green);
}

.integrity-status[data-state="failed"] {
  color: var(--red);
}

.load-error {
  max-width: 720px;
  margin: 12vh auto;
  padding: 28px 30px;
  border: 1px solid var(--red);
  background: var(--red-pale);
}

.load-error p {
  margin: 0;
}

.load-error-detail {
  padding-top: 8px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.74rem;
}

.hero {
  padding: 62px 0 70px;
  border-bottom: 1px solid var(--ink);
}

.eyebrow,
.reading-kicker {
  margin: 0 0 24px;
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.35rem, 6vw, 5.35rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.hero-foot {
  display: grid;
  grid-template-columns: minmax(0, 670px) minmax(220px, 1fr);
  gap: 72px;
  align-items: end;
  margin-top: 40px;
}

.hero-dek {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.52rem);
  line-height: 1.42;
}

.finding-mark {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding-left: 24px;
  border-left: 4px solid var(--red);
}

.finding-mark span {
  color: var(--ink-soft);
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.finding-mark strong {
  max-width: 250px;
  color: var(--red);
  font-family: var(--mono);
  font-size: clamp(1rem, 1.8vw, 1.28rem);
  font-weight: 680;
  letter-spacing: -0.025em;
  line-height: 1.2;
  text-transform: uppercase;
}

.section {
  padding: 72px 0 78px;
  border-bottom: 1px solid var(--ink);
}

.section-intro {
  display: grid;
  grid-template-columns: 56px minmax(0, 650px);
  gap: 18px;
  margin-bottom: 52px;
}

.section-index {
  margin: 3px 0 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 550;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 500;
  letter-spacing: -0.038em;
  line-height: 1;
}

.section-intro div > p {
  max-width: 600px;
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.pipeline-step {
  position: relative;
  min-height: 252px;
  padding: 22px 28px 25px 0;
  border-top: 1px solid var(--ink);
}

.pipeline-step:not(:last-child)::after {
  position: absolute;
  z-index: 1;
  top: -5px;
  right: 22px;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
  background: var(--paper);
  content: "";
  transform: rotate(45deg);
}

.pipeline-step + .pipeline-step {
  padding-left: 18px;
}

.pipeline-step-index {
  display: block;
  margin-bottom: 30px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.pipeline-step-label {
  display: block;
  min-height: 42px;
  margin-bottom: 12px;
  font-size: 0.72rem;
  font-weight: 730;
  letter-spacing: 0.07em;
  line-height: 1.35;
  text-transform: uppercase;
}

.pipeline-step-value {
  display: block;
  margin-bottom: 16px;
  font-family: var(--serif);
  font-size: clamp(2rem, 4.4vw, 3.7rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.pipeline-step-status {
  display: inline-block;
  margin-bottom: 13px;
  padding: 3px 6px 2px;
  border: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 650;
  letter-spacing: 0.055em;
  line-height: 1.2;
  text-transform: uppercase;
}

.pipeline-step-detail {
  max-width: 220px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.79rem;
  line-height: 1.45;
}

.pipeline-step[data-tone="refuted"] .pipeline-step-value,
.pipeline-step[data-tone="refuted"] .pipeline-step-status {
  color: var(--red);
}

.pipeline-step[data-tone="supported"] .pipeline-step-value,
.pipeline-step[data-tone="supported"] .pipeline-step-status {
  color: var(--green);
}

.pipeline-step[data-tone="observed"] .pipeline-step-status {
  color: var(--ink-soft);
}

.readings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.reading {
  min-height: 370px;
  padding: 36px 46px 38px 0;
}

.reading + .reading {
  padding-right: 0;
  padding-left: 46px;
  border-left: 1px solid var(--ink);
}

.reading h3 {
  max-width: 370px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3vw, 2.55rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.reading-verdict {
  margin: 52px 0 16px;
  font-family: var(--mono);
  font-size: clamp(1.4rem, 3.6vw, 2.8rem);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 0.98;
  text-transform: uppercase;
}

.reading-baseline .reading-verdict {
  color: var(--green);
}

.reading-specific .reading-verdict {
  max-width: 460px;
  color: var(--red);
}

.reading-reason {
  max-width: 455px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.causality-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(270px, 0.8fr);
  gap: 68px;
  align-items: stretch;
}

.matrix-wrap {
  min-width: 0;
}

.matrix {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.matrix th,
.matrix td {
  border: 1px solid var(--rule-dark);
  text-align: left;
  vertical-align: top;
}

.matrix thead th {
  padding: 12px 16px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.66rem;
  font-weight: 720;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.matrix thead th:first-child {
  width: 28%;
}

.matrix tbody th {
  padding: 18px 16px;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.35;
}

.matrix td {
  position: relative;
  height: 118px;
  padding: 17px 16px 15px;
  background: rgba(248, 244, 235, 0.45);
}

.matrix td[data-current="true"] {
  background: var(--red-pale);
  box-shadow: inset 0 0 0 2px var(--red);
}

.matrix-cell-current {
  display: block;
  min-height: 18px;
  margin-bottom: 5px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 680;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.matrix-cell-value {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.matrix-cell-detail {
  display: block;
  margin-top: 9px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.66rem;
  line-height: 1.35;
}

.matrix-note {
  max-width: 690px;
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.benign-check {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 26px 0 0 34px;
  border-left: 1px solid var(--ink);
}

.benign-check h3 {
  max-width: 270px;
  margin: 0;
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.benign-series {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  max-width: 250px;
  margin-top: 42px;
}

.benign-series span {
  display: grid;
  place-items: center;
  min-height: 48px;
  border: 1px solid var(--green);
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.84rem;
  font-weight: 650;
}

.benign-result {
  margin: 19px 0 0;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.benign-detail {
  max-width: 290px;
  margin: 17px 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.evidence-section {
  padding: 0;
  border-bottom: 1px solid var(--ink);
}

.evidence > summary {
  display: block;
  padding: 36px 0;
  cursor: pointer;
  list-style: none;
}

.evidence > summary::-webkit-details-marker {
  display: none;
}

.evidence > summary > span:first-child {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding-right: 130px;
}

.evidence > summary {
  position: relative;
}

.evidence-summary-copy {
  display: grid;
  gap: 6px;
}

.evidence-summary-copy strong {
  font-family: var(--serif);
  font-size: 1.42rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.evidence-summary-copy > span {
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.disclosure-label {
  position: absolute;
  top: 45px;
  right: 0;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--ink);
  font-size: 0.65rem;
  font-weight: 730;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.when-open {
  display: none;
}

.evidence[open] .when-open {
  display: inline;
}

.evidence[open] .when-closed {
  display: none;
}

.evidence-body {
  padding: 16px 0 64px 74px;
}

.evidence-boundary {
  max-width: 900px;
  margin: 0 0 30px;
  padding: 0 0 22px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.6;
}

.evidence-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 42px;
  border: 1px solid var(--rule);
  background: var(--rule);
}

.evidence-meta > div {
  min-width: 0;
  padding: 17px 18px;
  background: var(--paper-raised);
}

.evidence-meta dt {
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-size: 0.61rem;
  font-weight: 720;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.evidence-meta dd {
  overflow-wrap: anywhere;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.45;
}

.evidence-chain {
  border-top: 1px solid var(--ink);
}

.evidence-chain-head,
.evidence-chain li {
  display: grid;
  grid-template-columns: minmax(150px, 0.9fr) minmax(190px, 1fr) minmax(260px, 1.6fr);
  gap: 24px;
}

.evidence-chain-head {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.59rem;
  font-weight: 720;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.evidence-chain ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.evidence-chain li {
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule);
}

.artifact-label {
  font-size: 0.75rem;
  font-weight: 690;
}

.artifact-raw,
.artifact-digest {
  overflow-wrap: anywhere;
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.5;
}

.artifact-digest {
  color: var(--ink-soft);
  white-space: pre-line;
}

.limitation {
  display: grid;
  grid-template-columns: 56px minmax(0, 720px);
  gap: 18px;
  padding: 34px 0 0;
}

.limitation-intro {
  margin: 0 0 7px;
  color: var(--ink-soft);
  font-size: 0.72rem;
  line-height: 1.55;
}

.limitation-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  line-height: 1.55;
  list-style-position: inside;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

@media (max-width: 850px) {
  .hero-foot {
    grid-template-columns: 1fr;
    gap: 34px;
  }

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

  .pipeline-step:nth-child(2)::after {
    display: none;
  }

  .readings,
  .causality-layout {
    grid-template-columns: 1fr;
  }

  .reading {
    min-height: auto;
    padding: 34px 0 46px;
  }

  .reading + .reading {
    padding: 44px 0 34px;
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .reading-verdict {
    margin-top: 36px;
  }

  .benign-check {
    padding: 34px 0 0;
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

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

  .evidence-chain-head {
    display: none;
  }

  .evidence-chain li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (max-width: 560px) {
  .page {
    width: min(100% - 30px, 1180px);
    padding-top: 32px;
  }

  .masthead {
    gap: 20px;
    padding-bottom: 24px;
  }

  .wordmark {
    display: grid;
    gap: 7px;
  }

  .wordmark span + span {
    padding-left: 0;
    border-left: 0;
  }

  .masthead-meta {
    max-width: 150px;
  }

  .masthead-status {
    max-width: 165px;
  }

  .hero {
    padding: 58px 0 62px;
  }

  h1 {
    font-size: clamp(3.05rem, 15vw, 4.8rem);
  }

  .section {
    padding: 54px 0 58px;
  }

  .section-intro,
  .evidence > summary > span:first-child,
  .limitation {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
  }

  .section-intro {
    margin-bottom: 38px;
  }

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

  .pipeline-step,
  .pipeline-step + .pipeline-step {
    display: grid;
    grid-template-columns: 35px minmax(112px, 0.7fr) 1fr;
    gap: 12px;
    min-height: 0;
    padding: 19px 0;
  }

  .pipeline-step:not(:last-child)::after {
    display: none;
  }

  .pipeline-step-index,
  .pipeline-step-label,
  .pipeline-step-value {
    min-height: 0;
    margin: 0;
  }

  .pipeline-step-label {
    padding-top: 4px;
  }

  .pipeline-step-value {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    text-align: right;
  }

  .pipeline-step-status,
  .pipeline-step-detail {
    grid-column: 2 / 4;
    justify-self: start;
  }

  .pipeline-step-status {
    margin: 0;
  }

  .pipeline-step-detail {
    margin-top: -3px;
  }

  .matrix {
    table-layout: fixed;
  }

  .matrix thead th,
  .matrix tbody th,
  .matrix td {
    padding-right: 9px;
    padding-left: 9px;
  }

  .matrix thead th:first-child {
    width: 30%;
  }

  .matrix thead th {
    font-size: 0.58rem;
    letter-spacing: 0.055em;
  }

  .matrix td {
    height: 132px;
  }

  .matrix-cell-value {
    overflow-wrap: normal;
    font-size: 1.2rem;
    word-break: normal;
  }

  .matrix-cell-detail {
    overflow-wrap: anywhere;
    font-size: 0.68rem;
  }

  .evidence > summary > span:first-child {
    padding-right: 58px;
  }

  .disclosure-label {
    top: 44px;
  }

  .evidence-body {
    padding-left: 0;
  }

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

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

@media print {
  body::before {
    display: none;
  }

  .page {
    width: 100%;
    padding: 0;
  }

  .evidence:not([open]) .evidence-body {
    display: block;
  }

  .disclosure-label {
    display: none;
  }
}