.method-page {
  background: var(--color-canvas);
}

.method-nav-current {
  color: var(--color-ink);
  cursor: default;
}

.method-nav-current::after {
  transform: scaleX(1);
}

.method-mobile-current {
  display: flex;
  align-items: center;
  color: var(--color-signal);
  cursor: default;
  font-weight: 700;
}

.method-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(6.5rem, 10vw, 9.5rem) 0 clamp(7rem, 10vw, 10rem);
  border-bottom: 1px solid var(--color-line-strong);
}

.method-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: max(calc((100vw - var(--shell-width)) / 2), 1.5rem);
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--color-line), transparent);
  pointer-events: none;
}

.method-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(25rem, 0.72fr);
  align-items: end;
  gap: clamp(4.5rem, 9vw, 9rem);
}

.method-hero-copy,
.method-identity {
  min-width: 0;
}

.method-hero-copy h1 {
  max-width: 10.5em;
  margin: 0;
  font-size: clamp(4rem, 6.4vw, 6.4rem);
  font-weight: 680;
  letter-spacing: -0.075em;
  line-height: 1.01;
}

.method-hero-copy h1 span {
  display: block;
}

.method-hero-copy h1 span:last-child {
  color: var(--color-signal);
}

.method-lead {
  max-width: 45rem;
  margin: 2.5rem 0 0;
  color: var(--color-ink-soft);
  font-size: clamp(1rem, 1.35vw, 1.16rem);
  line-height: 1.95;
}

.observable-boundary {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1.5rem;
  max-width: 44rem;
  margin: 2.5rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line-strong);
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  line-height: 1.75;
}

.observable-boundary span {
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.method-identity {
  border-top: 0.2rem solid var(--color-signal);
  border-bottom: 1px solid var(--color-line-strong);
  background: rgba(255, 254, 250, 0.72);
}

.method-identity header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--color-line);
}

.method-identity header > span {
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.06em;
}

.method-identity dl {
  margin: 0;
}

.method-identity dl > div {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.2rem 1.25rem;
  border-bottom: 1px solid var(--color-line);
}

.method-identity dt,
.method-identity dd {
  margin: 0;
}

.method-identity dt {
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.method-identity dd {
  color: var(--color-ink);
  font-size: 0.85rem;
  font-weight: 620;
  line-height: 1.55;
}

.identity-footnote {
  margin: 0;
  padding: 1.1rem 1.25rem;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.54rem;
  letter-spacing: 0.055em;
  line-height: 1.6;
}

.research-object,
.persona-method,
.test-modes,
.controlled-comparison {
  padding-block: clamp(7rem, 11vw, 11rem);
}

.research-object {
  background: var(--color-surface);
}

.method-section-heading {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: clamp(3rem, 5vw, 5rem);
}

.method-section-heading > div:last-child {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 0.48fr);
  align-items: end;
  gap: clamp(3rem, 5vw, 5rem);
}

.section-index {
  align-self: start;
  padding-top: 0.6rem;
}

.section-index span {
  display: block;
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.section-index p {
  margin: 1rem 0 0;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.6;
}

.method-section-heading h2,
.comparison-heading h2 {
  margin: 0;
  font-size: clamp(2.8rem, 4.1vw, 4.25rem);
  font-weight: 650;
  letter-spacing: -0.06em;
  line-height: 1.08;
}

.method-section-heading > div:last-child > p {
  margin: 0 0 0.35rem;
  color: var(--color-ink-soft);
  font-size: 0.98rem;
  line-height: 1.9;
}

.recognition-equation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 6rem minmax(0, 1fr);
  align-items: stretch;
  margin-top: clamp(5rem, 8vw, 8rem);
  border-top: 1px solid var(--color-line-strong);
  border-bottom: 1px solid var(--color-line-strong);
}

.recognition-equation > div {
  min-height: 16rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.5rem clamp(1.5rem, 4vw, 4rem);
}

.recognition-equation > div:first-child {
  background: var(--color-surface-muted);
}

.recognition-equation > div:last-child {
  background: var(--color-signal-soft);
}

.recognition-equation > b {
  display: grid;
  place-items: center;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 3.7rem;
  font-weight: 400;
}

.recognition-equation span,
.recognition-equation strong {
  display: block;
}

.recognition-equation span {
  margin-bottom: 1.4rem;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.recognition-equation strong {
  font-size: clamp(1.6rem, 3vw, 2.8rem);
  letter-spacing: -0.04em;
}

.recognition-equation p {
  margin: 1rem 0 0;
  color: var(--color-ink-soft);
  font-size: 0.86rem;
  line-height: 1.7;
}

.status-register {
  margin-top: clamp(5rem, 8vw, 7.5rem);
  border-top: 0.2rem solid var(--color-ink);
  border-bottom: 1px solid var(--color-line-strong);
}

.status-register > header {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 2rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--color-line-strong);
}

.status-register > header > p:last-child {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.82rem;
}

.status-register dl {
  margin: 0;
}

.status-register dl > div {
  display: grid;
  grid-template-columns: minmax(16rem, 0.85fr) minmax(0, 1.15fr);
  gap: 2rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--color-line);
}

.status-register dt,
.status-register dd {
  margin: 0;
}

.status-register dt {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.status-register dt span {
  width: 0.62rem;
  height: 0.62rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: currentColor;
}

.status-recommended dt { color: var(--color-signal); }
.status-mentioned dt { color: var(--color-mentioned); }
.status-not-selected dt { color: var(--color-not-selected); }
.status-unknown dt { color: var(--color-unknown); }

.status-register dd {
  color: var(--color-ink-soft);
  font-size: 0.88rem;
  line-height: 1.7;
}

.register-note {
  margin: 0;
  padding: 1.3rem 0;
  color: var(--color-ink-faint);
  font-size: 0.78rem;
  line-height: 1.65;
}

.persona-method {
  background: var(--color-canvas);
}

.persona-framework {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: clamp(5rem, 8vw, 8rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--color-line-strong);
  border-bottom: 1px solid var(--color-line-strong);
  list-style: none;
}

.persona-framework li {
  position: relative;
  min-width: 0;
  min-height: 22rem;
  padding: 1.5rem 1.25rem 2rem;
  border-left: 1px solid var(--color-line);
}

.persona-framework li:first-child {
  border-left: 0;
}

.persona-framework li::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -0.68rem;
  z-index: 2;
  display: grid;
  width: 1.35rem;
  height: 1.35rem;
  place-items: center;
  border: 1px solid var(--color-line-strong);
  border-radius: 50%;
  background: var(--color-canvas);
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-size: 0.64rem;
}

.persona-framework li:last-child::after {
  display: none;
}

.persona-framework li > span {
  color: var(--color-line-strong);
  font-family: var(--font-mono);
  font-size: 1.9rem;
}

.persona-framework li > p {
  min-height: 2.3rem;
  margin: 3.5rem 0 0;
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.persona-framework h3 {
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.45;
}

.persona-framework small {
  display: block;
  margin-top: 1rem;
  color: var(--color-ink-soft);
  font-size: 0.75rem;
  line-height: 1.7;
}

.framework-boundary {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 2rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--color-line-strong);
}

.framework-boundary > p:last-child {
  max-width: 52rem;
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.84rem;
  line-height: 1.75;
}

.test-modes {
  background: var(--color-surface);
}

.mode-ledger {
  margin-top: clamp(5rem, 8vw, 8rem);
  border-top: 0.2rem solid var(--color-ink);
}

.mode-ledger article {
  display: grid;
  grid-template-columns: minmax(13rem, 0.75fr) minmax(18rem, 1fr) minmax(18rem, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  border-bottom: 1px solid var(--color-line-strong);
}

.mode-code {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: center;
}

.mode-code > span {
  display: grid;
  width: 3.5rem;
  height: 3.5rem;
  place-items: center;
  border: 1px solid var(--color-signal);
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-size: 1.15rem;
}

.mode-code > p {
  margin: 0;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1.55;
}

.mode-question h3 {
  margin: 0;
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  letter-spacing: -0.04em;
}

.mode-question p,
.mode-observation > p:last-child {
  margin: 1rem 0 0;
  color: var(--color-ink-soft);
  font-size: 0.86rem;
  line-height: 1.75;
}

.mode-observation {
  padding-left: 2rem;
  border-left: 1px solid var(--color-line);
}

.mode-observation .data-label {
  color: var(--color-signal);
}

.controlled-comparison {
  background: #111a18;
  color: #dfe6e2;
}

.comparison-layout {
  display: grid;
  grid-template-columns: minmax(20rem, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(4rem, 9vw, 9rem);
  align-items: start;
}

.comparison-heading {
  position: sticky;
  top: 2rem;
}

.section-index-light span {
  color: #75b3a3;
}

.section-index-light p {
  color: #71817b;
}

.comparison-heading h2 {
  margin-top: 4rem;
  color: #f3f5f2;
  font-size: clamp(2.7rem, 4.4vw, 4.4rem);
}

.comparison-heading > p:last-child {
  max-width: 31rem;
  margin: 2.25rem 0 0;
  color: #9ba9a4;
  font-size: 0.94rem;
  line-height: 1.9;
}

.comparison-board {
  border-top: 0.2rem solid #5b9d8d;
  border-bottom: 1px solid rgba(213, 216, 209, 0.3);
}

.constant-row {
  padding: 1.75rem 0 2rem;
  border-bottom: 1px solid rgba(213, 216, 209, 0.24);
}

.constant-row .data-label,
.compare-output .data-label {
  color: #6f9f92;
}

.constant-row > div {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.constant-row span {
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(213, 216, 209, 0.34);
  color: #dfe6e2;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.constant-row b {
  color: #6f9f92;
  font-family: var(--font-mono);
  font-weight: 400;
}

.variable-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid rgba(213, 216, 209, 0.24);
}

.variable-columns article {
  min-width: 0;
  min-height: 23rem;
  padding: 2rem 1.5rem;
  border-left: 1px solid rgba(213, 216, 209, 0.2);
}

.variable-columns article:first-child {
  border-left: 0;
}

.variable-columns article > span {
  color: #5b9d8d;
  font-family: var(--font-mono);
  font-size: 2.8rem;
}

.variable-columns article > p {
  min-height: 2.4rem;
  margin: 4rem 0 0;
  color: #71817b;
  font-family: var(--font-mono);
  font-size: 0.57rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  line-height: 1.55;
}

.variable-columns h3 {
  margin: 1rem 0 0;
  color: #eef2ef;
  font-size: 1rem;
  line-height: 1.5;
}

.variable-columns small {
  display: block;
  margin-top: 1rem;
  color: #9aa7a2;
  font-size: 0.75rem;
  line-height: 1.7;
}

.compare-output {
  padding: 2.25rem 0 2.5rem;
}

.compare-output > p:last-child {
  margin: 1.4rem 0 0;
  color: #aab6b1;
  font-size: 0.9rem;
  line-height: 1.8;
}

.compare-output strong {
  color: #dfe6e2;
}

.stage-scope-note {
  grid-column: 2;
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1.5rem;
  margin: 2rem 0 0;
  color: #8e9c97;
  font-size: 0.78rem;
  line-height: 1.7;
}

.stage-scope-note span {
  color: #6f9f92;
  font-family: var(--font-mono);
  font-size: 0.57rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.repeated-runs,
.model-comparison,
.grounding-method,
.human-review,
.evidence-boundaries,
.method-conclusion {
  padding-block: clamp(7rem, 11vw, 11rem);
}

.repeated-runs {
  background: var(--color-canvas);
}

.run-study {
  margin-top: clamp(5rem, 8vw, 8rem);
  border-top: 0.2rem solid var(--color-ink);
  border-bottom: 1px solid var(--color-line-strong);
}

.run-study-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-line-strong);
}

.run-study-header strong,
.run-study-header > span {
  font-family: var(--font-mono);
}

.run-study-header strong {
  display: block;
  margin-top: 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.run-study-header > span {
  color: var(--color-ink-faint);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.run-ledger {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--color-line-strong);
  list-style: none;
}

.run-ledger li {
  min-width: 0;
  min-height: 20rem;
  padding: 2rem 1.5rem;
  border-left: 1px solid var(--color-line);
}

.run-ledger li:first-child {
  border-left: 0;
}

.run-number,
.run-state {
  display: block;
  font-family: var(--font-mono);
}

.run-number {
  color: var(--color-ink-faint);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.run-state {
  margin-top: 5rem;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.state-recommended {
  color: var(--color-signal);
}

.state-mentioned {
  color: var(--color-mentioned);
}

.state-not-selected {
  color: var(--color-not-selected);
}

.run-ledger li > p {
  margin: 1.25rem 0 0;
  color: var(--color-ink);
  font-size: 0.88rem;
  font-weight: 620;
  line-height: 1.65;
}

.run-ledger li > small {
  display: block;
  margin-top: 1rem;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.045em;
  line-height: 1.55;
}

.run-observe {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 2rem;
  padding: 1.7rem 0;
}

.run-observe ul {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.run-observe li {
  position: relative;
  padding-left: 1rem;
  color: var(--color-ink-soft);
  font-size: 0.76rem;
  line-height: 1.6;
}

.run-observe li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 0.3rem;
  height: 0.3rem;
  background: var(--color-signal);
}

.method-boundary-note,
.source-boundary-note {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 2rem;
  margin-top: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line-strong);
}

.method-boundary-note > p:last-child,
.source-boundary-note > p:last-child {
  max-width: 55rem;
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  line-height: 1.75;
}

.model-comparison {
  background: var(--color-surface-muted);
}

.model-study {
  margin-top: clamp(5rem, 8vw, 8rem);
  border-top: 0.2rem solid var(--color-signal);
  border-bottom: 1px solid var(--color-line-strong);
}

.model-constants {
  padding: 1.6rem 0 1.8rem;
  border-bottom: 1px solid var(--color-line-strong);
}

.model-constants > div {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
}

.model-constants span {
  padding: 0.62rem 0.8rem;
  border: 1px solid var(--color-line-strong);
  background: rgba(255, 254, 250, 0.45);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.model-constants b {
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-weight: 400;
}

.model-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid var(--color-line-strong);
}

.model-columns article {
  min-width: 0;
  padding: clamp(2rem, 4vw, 3.5rem);
  background: rgba(255, 254, 250, 0.34);
}

.model-columns article + article {
  border-left: 1px solid var(--color-line-strong);
}

.model-columns article header {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 1.25rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-line);
}

.model-columns article header > span,
.model-columns article header > p {
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.055em;
}

.model-columns article header > p {
  margin: 0;
}

.model-columns h3 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  letter-spacing: -0.04em;
}

.model-columns dl {
  margin: 0;
}

.model-columns dl > div {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-line);
}

.model-columns dt,
.model-columns dd {
  margin: 0;
}

.model-columns dt {
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.57rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.model-columns dd {
  font-size: 0.84rem;
  font-weight: 620;
  line-height: 1.65;
}

.model-study-note {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 2rem;
  margin: 0;
  padding: 1.7rem 0;
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  line-height: 1.7;
}

.model-study-note span {
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.scope-confirmation-note {
  max-width: 50rem;
  margin: 2rem 0 0 auto;
  padding-left: 2rem;
  border-left: 1px solid var(--color-line-strong);
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  line-height: 1.75;
}

.grounding-method {
  background: var(--color-surface);
}

.grounding-study {
  margin-top: clamp(5rem, 8vw, 8rem);
  border-top: 0.2rem solid var(--color-ink);
  border-bottom: 1px solid var(--color-line-strong);
}

.grounding-constant {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-line-strong);
}

.grounding-constant > span {
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.grounding-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid var(--color-line-strong);
}

.grounding-columns article {
  min-width: 0;
  padding: clamp(2rem, 4vw, 3.5rem);
}

.grounding-columns article + article {
  border-left: 1px solid var(--color-line-strong);
  background: var(--color-signal-soft);
}

.grounding-columns article header {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-line);
}

.grounding-columns article header > span {
  color: var(--color-signal);
  font-family: var(--font-mono);
  font-size: 2.5rem;
  line-height: 1;
}

.grounding-columns article header p {
  margin: 0;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.055em;
}

.grounding-columns h3 {
  margin: 1rem 0 0;
  font-size: 1.25rem;
}

.grounding-columns dl {
  margin: 0;
}

.grounding-columns dl > div {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 2rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--color-line);
}

.grounding-columns dt,
.grounding-columns dd {
  margin: 0;
}

.grounding-columns dt {
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.grounding-columns dd {
  font-size: 0.82rem;
  font-weight: 620;
  line-height: 1.6;
}

.grounding-columns .is-unavailable {
  opacity: 0.55;
}

.source-taxonomy {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: 2rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--color-line-strong);
}

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

.source-taxonomy li {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
}

.source-taxonomy li span {
  margin-right: 0.75rem;
  color: var(--color-line-strong);
}

.grounding-output {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: 2rem;
  padding: 1.8rem 0;
}

.grounding-output > p:last-child {
  max-width: 55rem;
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  line-height: 1.75;
}

.human-review {
  background: #15201d;
  color: #dfe6e2;
}

.review-shell {
  display: grid;
  gap: clamp(5rem, 8vw, 8rem);
}

.review-heading {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: clamp(3rem, 5vw, 5rem);
}

.review-heading > div:last-child {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 0.48fr);
  align-items: end;
  gap: clamp(3rem, 5vw, 5rem);
}

.review-heading h2 {
  margin: 0;
  color: #f3f5f2;
  font-size: clamp(2.8rem, 4.1vw, 4.25rem);
  font-weight: 650;
  letter-spacing: -0.06em;
  line-height: 1.08;
}

.review-heading > div:last-child > p {
  margin: 0 0 0.35rem;
  color: #9eaca7;
  font-size: 0.98rem;
  line-height: 1.9;
}

.review-pipeline {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(213, 216, 209, 0.28);
  border-bottom: 1px solid rgba(213, 216, 209, 0.28);
  list-style: none;
}

.review-pipeline li {
  position: relative;
  min-width: 0;
  min-height: 15rem;
  padding: 1.5rem 1.1rem;
  border-left: 1px solid rgba(213, 216, 209, 0.18);
}

.review-pipeline li:first-child {
  border-left: 0;
}

.review-pipeline li::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -0.65rem;
  z-index: 2;
  display: grid;
  width: 1.3rem;
  height: 1.3rem;
  place-items: center;
  border: 1px solid rgba(117, 179, 163, 0.65);
  border-radius: 50%;
  background: #15201d;
  color: #75b3a3;
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.review-pipeline li:last-child::after {
  display: none;
}

.review-pipeline li > span {
  color: #53635e;
  font-family: var(--font-mono);
  font-size: 1.65rem;
}

.review-pipeline li > p {
  min-height: 2.6rem;
  margin: 3rem 0 0;
  color: #6f9f92;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  line-height: 1.5;
}

.review-pipeline h3 {
  margin: 0.9rem 0 0;
  color: #e6ebe8;
  font-size: 0.9rem;
  line-height: 1.5;
}

.traceability-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.traceability-layout > header h3 {
  max-width: 12em;
  margin: 2rem 0 0;
  color: #eef2ef;
  font-size: clamp(2rem, 3.2vw, 3.1rem);
  letter-spacing: -0.05em;
  line-height: 1.14;
}

.traceability-layout > header > p:last-child {
  max-width: 28rem;
  margin: 1.5rem 0 0;
  color: #96a49f;
  font-size: 0.82rem;
  line-height: 1.8;
}

.traceability-record {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 0.2rem solid #5b9d8d;
  border-bottom: 1px solid rgba(213, 216, 209, 0.26);
}

.traceability-record > div {
  min-width: 0;
  min-height: 7.5rem;
  padding: 1.25rem;
  border-right: 1px solid rgba(213, 216, 209, 0.18);
  border-bottom: 1px solid rgba(213, 216, 209, 0.18);
}

.traceability-record > div:nth-child(3n) {
  border-right: 0;
}

.traceability-record span,
.traceability-record strong {
  display: block;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
}

.traceability-record span {
  color: #6f817b;
  font-size: 0.53rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.5;
}

.traceability-record strong {
  margin-top: 1.5rem;
  color: #dce4e0;
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  line-height: 1.55;
}

.review-boundary {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 2rem;
  padding: 1.6rem 0;
  border-top: 1px solid rgba(213, 216, 209, 0.25);
  border-bottom: 1px solid rgba(213, 216, 209, 0.25);
}

.review-boundary > p:last-child {
  max-width: 58rem;
  margin: 0;
  color: #9aa7a2;
  font-size: 0.82rem;
  line-height: 1.75;
}

.evidence-boundaries {
  background: var(--color-canvas);
}

.evidence-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(3rem, 7vw, 7rem);
  margin-top: clamp(5rem, 8vw, 8rem);
}

.evidence-columns > section {
  min-width: 0;
  border-top: 0.2rem solid var(--color-signal);
  border-bottom: 1px solid var(--color-line-strong);
}

.evidence-columns > section + section {
  border-top-color: var(--color-ink-soft);
}

.evidence-columns section > header {
  min-height: 11rem;
  padding: 1.7rem 0 2rem;
  border-bottom: 1px solid var(--color-line-strong);
}

.evidence-columns section > header p {
  margin: 0;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.evidence-columns h3 {
  margin: 2rem 0 0;
  font-size: clamp(1.6rem, 2.5vw, 2.3rem);
  letter-spacing: -0.04em;
}

.evidence-columns dl {
  margin: 0;
}

.evidence-columns dl > div {
  display: grid;
  grid-template-columns: minmax(11rem, 0.7fr) minmax(0, 1.3fr);
  gap: 2rem;
  padding: 1.7rem 0;
  border-bottom: 1px solid var(--color-line);
}

.evidence-columns dl > div:last-child {
  border-bottom: 0;
}

.evidence-columns dt,
.evidence-columns dd {
  margin: 0;
}

.evidence-columns dt {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.55;
}

.evidence-columns dd {
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  line-height: 1.75;
}

.method-conclusion {
  border-top: 1px solid var(--color-line-strong);
  background: var(--color-signal-soft);
}

.conclusion-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.65fr);
  gap: clamp(4rem, 10vw, 10rem);
  align-items: end;
}

.conclusion-layout h2 {
  max-width: 10.5em;
  margin: 0;
  font-size: clamp(3rem, 5.2vw, 5.2rem);
  font-weight: 660;
  letter-spacing: -0.065em;
  line-height: 1.06;
}

.conclusion-copy > p {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.98rem;
  line-height: 1.9;
}

.conclusion-copy > p + p {
  margin-top: 1.4rem;
  color: var(--color-ink-faint);
  font-size: 0.84rem;
}

.conclusion-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.5rem;
}

.method-footer-current {
  margin-bottom: var(--space-3);
  color: #6f9f92;
  font-size: 0.8rem;
}

.method-page .footer-contact a:last-child {
  color: #9db8b0;
}

@media (max-width: 68rem) {
  .method-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.72fr);
    gap: 4rem;
  }

  .method-hero-copy h1 {
    font-size: clamp(3.5rem, 6.4vw, 5.1rem);
  }

  .method-section-heading {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 3rem;
  }

  .method-section-heading > div:last-child {
    gap: 3rem;
  }

  .persona-framework {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .persona-framework li {
    min-height: 18rem;
    border-top: 1px solid var(--color-line);
  }

  .persona-framework li:nth-child(-n + 3) {
    border-top: 0;
  }

  .persona-framework li:nth-child(4) {
    border-left: 0;
  }

  .persona-framework li:nth-child(3)::after {
    display: none;
  }

  .mode-ledger article {
    grid-template-columns: minmax(11rem, 0.7fr) minmax(15rem, 1fr) minmax(15rem, 1fr);
    gap: 2.5rem;
  }

  .comparison-layout {
    grid-template-columns: minmax(17rem, 0.62fr) minmax(0, 1.38fr);
    gap: 4rem;
  }
}

@media (max-width: 52rem) {
  .method-hero {
    padding: 4.5rem 0 6rem;
  }

  .method-hero::before {
    display: none;
  }

  .method-hero-grid {
    grid-template-columns: 1fr;
    gap: 4.5rem;
  }

  .method-hero-copy h1 {
    max-width: none;
    font-size: clamp(3rem, 9vw, 4.2rem);
  }

  .method-lead {
    max-width: 38rem;
  }

  .method-identity {
    max-width: 38rem;
  }

  .research-object,
  .persona-method,
  .test-modes,
  .controlled-comparison {
    padding-block: 6.5rem;
  }

  .method-section-heading,
  .method-section-heading > div:last-child {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .section-index {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: 0;
  }

  .section-index p {
    margin: 0;
  }

  .recognition-equation {
    grid-template-columns: 1fr;
    margin-top: 4.5rem;
  }

  .recognition-equation > div {
    min-height: auto;
    padding: 2.5rem 2rem;
  }

  .recognition-equation > b {
    height: 4.5rem;
  }

  .status-register {
    margin-top: 4.5rem;
  }

  .status-register > header,
  .status-register dl > div,
  .framework-boundary {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .persona-framework {
    grid-template-columns: 1fr;
    margin-top: 4.5rem;
  }

  .persona-framework li,
  .persona-framework li:nth-child(-n + 3) {
    min-height: auto;
    padding: 2rem 1.25rem 2rem 5rem;
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

  .persona-framework li:first-child {
    border-top: 0;
  }

  .persona-framework li::after,
  .persona-framework li:nth-child(3)::after {
    content: "↓";
    top: auto;
    right: auto;
    bottom: -0.68rem;
    left: 1.4rem;
    display: grid;
  }

  .persona-framework li:last-child::after {
    display: none;
  }

  .persona-framework li > span {
    position: absolute;
    top: 2rem;
    left: 1.25rem;
    font-size: 1.4rem;
  }

  .persona-framework li > p {
    min-height: 0;
    margin-top: 0;
  }

  .mode-ledger {
    margin-top: 4.5rem;
  }

  .mode-ledger article {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mode-observation {
    padding: 1.5rem 0 0;
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

  .comparison-layout {
    grid-template-columns: 1fr;
    gap: 4.5rem;
  }

  .comparison-heading {
    position: static;
  }

  .comparison-heading h2 {
    margin-top: 2.5rem;
  }

  .stage-scope-note {
    grid-column: 1;
  }
}

@media (max-width: 30rem) {
  .method-hero-copy h1 {
    font-size: clamp(2.65rem, 12vw, 3.2rem);
    line-height: 1.08;
  }

  .method-hero-copy h1 span:first-child {
    max-width: 8.5em;
  }

  .method-lead {
    font-size: 0.98rem;
    line-height: 1.85;
  }

  .observable-boundary {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .method-identity dl > div {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .method-section-heading h2,
  .comparison-heading h2 {
    font-size: clamp(2.2rem, 10.5vw, 2.75rem);
  }

  .method-section-heading > div:last-child > p,
  .comparison-heading > p:last-child {
    font-size: 0.92rem;
  }

  .recognition-equation > div {
    padding: 2.2rem 1.4rem;
  }

  .recognition-equation strong {
    font-size: 1.6rem;
  }

  .status-register dt {
    align-items: flex-start;
    line-height: 1.55;
  }

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

  .variable-columns article {
    min-height: auto;
    padding: 2rem 1rem 2.25rem;
    border-top: 1px solid rgba(213, 216, 209, 0.2);
    border-left: 0;
  }

  .variable-columns article:first-child {
    border-top: 0;
  }

  .variable-columns article > p {
    min-height: 0;
    margin-top: 2rem;
  }

  .constant-row > div {
    align-items: stretch;
    flex-direction: column;
  }

  .constant-row b {
    align-self: center;
  }

  .constant-row span {
    text-align: center;
  }

  .stage-scope-note {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
}

@media (max-width: 68rem) {
  .model-columns dl > div,
  .grounding-columns dl > div {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1.5rem;
  }

  .review-heading,
  .review-heading > div:last-child {
    gap: 3rem;
  }

  .traceability-layout {
    gap: 4rem;
  }

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

  .traceability-record > div:nth-child(3n) {
    border-right: 1px solid rgba(213, 216, 209, 0.18);
  }

  .traceability-record > div:nth-child(2n) {
    border-right: 0;
  }

  .evidence-columns {
    gap: 3.5rem;
  }

  .evidence-columns dl > div {
    grid-template-columns: minmax(9rem, 0.65fr) minmax(0, 1.35fr);
    gap: 1.5rem;
  }
}

@media (max-width: 52rem) {
  .repeated-runs,
  .model-comparison,
  .grounding-method,
  .human-review,
  .evidence-boundaries,
  .method-conclusion {
    padding-block: 6.5rem;
  }

  .run-study,
  .model-study,
  .grounding-study,
  .evidence-columns {
    margin-top: 4.5rem;
  }

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

  .run-ledger li {
    min-height: 17rem;
    border-top: 1px solid var(--color-line);
  }

  .run-ledger li:nth-child(-n + 2) {
    border-top: 0;
  }

  .run-ledger li:nth-child(3) {
    border-left: 0;
  }

  .run-state {
    margin-top: 3rem;
  }

  .run-observe {
    grid-template-columns: 1fr;
  }

  .run-observe ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .method-boundary-note,
  .source-boundary-note,
  .model-study-note,
  .source-taxonomy,
  .grounding-output,
  .review-boundary {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .model-columns,
  .grounding-columns {
    grid-template-columns: 1fr;
  }

  .model-columns article + article,
  .grounding-columns article + article {
    border-top: 1px solid var(--color-line-strong);
    border-left: 0;
  }

  .scope-confirmation-note {
    margin-left: 0;
  }

  .source-taxonomy ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .review-heading,
  .review-heading > div:last-child {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .review-pipeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .review-pipeline li {
    min-height: 13rem;
    border-top: 1px solid rgba(213, 216, 209, 0.18);
  }

  .review-pipeline li:nth-child(-n + 3) {
    border-top: 0;
  }

  .review-pipeline li:nth-child(4) {
    border-left: 0;
  }

  .review-pipeline li:nth-child(3)::after {
    display: none;
  }

  .traceability-layout,
  .evidence-columns,
  .conclusion-layout {
    grid-template-columns: 1fr;
  }

  .evidence-columns {
    gap: 4rem;
  }

  .evidence-columns section > header {
    min-height: auto;
  }

  .conclusion-layout {
    gap: 3.5rem;
  }
}

@media (max-width: 30rem) {
  .run-study-header,
  .grounding-constant {
    align-items: flex-start;
    flex-direction: column;
  }

  .run-ledger {
    grid-template-columns: 1fr;
  }

  .run-ledger li,
  .run-ledger li:nth-child(-n + 2) {
    min-height: auto;
    padding: 2rem 1rem;
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

  .run-ledger li:first-child {
    border-top: 0;
  }

  .run-state {
    margin-top: 2.5rem;
  }

  .run-observe ul {
    grid-template-columns: 1fr;
  }

  .model-constants > div {
    align-items: stretch;
    flex-direction: column;
  }

  .model-constants span {
    text-align: center;
  }

  .model-constants b {
    align-self: center;
  }

  .model-columns article,
  .grounding-columns article {
    padding: 2rem 1.25rem;
  }

  .model-columns article header {
    grid-template-columns: 3rem minmax(0, 1fr);
  }

  .model-columns article header > p {
    grid-column: 2;
  }

  .model-columns dl > div,
  .grounding-columns dl > div,
  .evidence-columns dl > div {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .review-heading h2 {
    font-size: clamp(2.2rem, 10.5vw, 2.75rem);
  }

  .review-heading > div:last-child > p {
    font-size: 0.92rem;
  }

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

  .review-pipeline li,
  .review-pipeline li:nth-child(-n + 3) {
    min-height: auto;
    padding: 1.7rem 1rem 1.7rem 4.5rem;
    border-top: 1px solid rgba(213, 216, 209, 0.18);
    border-left: 0;
  }

  .review-pipeline li:first-child {
    border-top: 0;
  }

  .review-pipeline li::after,
  .review-pipeline li:nth-child(3)::after {
    content: "↓";
    top: auto;
    right: auto;
    bottom: -0.65rem;
    left: 1.25rem;
    display: grid;
  }

  .review-pipeline li:last-child::after {
    display: none;
  }

  .review-pipeline li > span {
    position: absolute;
    top: 1.7rem;
    left: 1rem;
    font-size: 1.25rem;
  }

  .review-pipeline li > p {
    min-height: 0;
    margin-top: 0;
  }

  .traceability-record {
    grid-template-columns: 1fr;
  }

  .traceability-record > div,
  .traceability-record > div:nth-child(2n),
  .traceability-record > div:nth-child(3n) {
    min-height: auto;
    border-right: 0;
  }

  .traceability-record strong {
    margin-top: 1rem;
  }

  .conclusion-layout h2 {
    font-size: clamp(2.55rem, 12vw, 3.2rem);
  }

  .conclusion-actions {
    align-items: stretch;
    flex-direction: column;
  }
}