:root {
  --carbon: #161a18;
  --carbon-soft: #222825;
  --laboratory: #f3f6f2;
  --paper: #e9eeea;
  --alloy: #cbd3ce;
  --muted: #66706b;
  --viridian: #007e6f;
  --ice: #b7e6dd;
  --carmine: #b30a3c;
  --vermilion: #e2452d;
  --blue: #a7c9e8;
  --rule: rgba(22, 26, 24, 0.2);
  --rail: 96px;
  --page-pad: clamp(1.25rem, 3.6vw, 4.5rem);
  --max: 1480px;
  --display: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--carbon);
  background: var(--laboratory);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--vermilion);
  outline-offset: 4px;
}

::selection {
  color: var(--laboratory);
  background: var(--carmine);
}

.skip-link {
  position: fixed;
  z-index: 2000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--carbon);
  background: var(--ice);
  transform: translateY(-160%);
}

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

.chapter-rail {
  position: fixed;
  z-index: 500;
  inset: 0 auto 0 0;
  width: var(--rail);
  display: flex;
  flex-direction: column;
  color: var(--laboratory);
  background: var(--carbon);
  border-right: 1px solid rgba(243, 246, 242, 0.2);
}

.rail-brand {
  min-height: 98px;
  display: grid;
  place-items: center;
  border-bottom: 1px solid rgba(243, 246, 242, 0.2);
  text-decoration: none;
}

.rail-brand span {
  display: block;
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.08em;
  transform: rotate(-90deg);
}

.rail-nav {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.rail-nav a {
  position: relative;
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--alloy);
  border-bottom: 1px solid rgba(243, 246, 242, 0.14);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.rail-nav a:hover,
.rail-nav a[aria-current="page"] {
  color: var(--carbon);
  background: var(--ice);
}

.rail-nav a[aria-current="page"]::after {
  position: absolute;
  right: 0;
  width: 5px;
  height: 100%;
  background: var(--carmine);
  content: "";
}

.rail-foot {
  padding: 0.75rem 0;
  color: var(--alloy);
  border-top: 1px solid rgba(243, 246, 242, 0.2);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-align: center;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.mobile-header,
.mobile-menu {
  display: none;
}

.site-frame {
  min-height: 100vh;
  margin-left: var(--rail);
  overflow: clip;
}

.measure {
  width: min(100%, var(--max));
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

.section {
  position: relative;
  padding-block: clamp(4.5rem, 9vw, 9rem);
}

.section--paper {
  background: var(--laboratory);
}

.section--ink {
  color: var(--laboratory);
  background: var(--carbon);
}

.section--ice {
  background: var(--ice);
}

.section--alloy {
  background: var(--paper);
}

.kicker,
.folio,
.micro,
.meta-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.kicker::before {
  width: 1.6rem;
  height: 3px;
  background: currentColor;
  content: "";
}

.display {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.2rem, 8.8vw, 9.8rem);
  font-weight: 900;
  letter-spacing: -0.075em;
  line-height: 0.82;
}

.section-title {
  max-width: 15ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.65rem, 6.2vw, 6.8rem);
  font-weight: 880;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.lede {
  max-width: 47rem;
  margin: 0;
  font-size: clamp(1.15rem, 2.1vw, 1.65rem);
  line-height: 1.45;
}

.body-copy {
  max-width: 43rem;
}

.body-copy p {
  margin: 0 0 1.25rem;
}

.body-copy h2,
.body-copy h3 {
  margin: 2.5rem 0 0.75rem;
  font-family: var(--display);
  letter-spacing: -0.035em;
  line-height: 1;
}

.body-copy h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.body-copy h3 {
  font-size: 1.6rem;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid currentColor;
  border-radius: 1px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease;
}

.button--light {
  color: var(--carbon);
  background: var(--laboratory);
}

.button--light:hover {
  color: var(--laboratory);
  background: var(--carmine);
}

.button--ink {
  color: var(--laboratory);
  background: var(--carbon);
}

.button--ink:hover {
  color: var(--carbon);
  background: var(--ice);
}

.button--ghost {
  color: inherit;
  background: transparent;
}

.button--ghost:hover {
  color: var(--carbon);
  background: var(--ice);
}

.button[disabled] {
  opacity: 0.55;
  cursor: wait;
}

.text-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.text-action span {
  transition: transform 160ms ease;
}

.text-action:hover span {
  transform: translateX(0.3rem);
}

.hero-poster {
  position: relative;
  min-height: 100svh;
  display: flex;
  color: var(--laboratory);
  background-color: var(--carbon);
  background-image: url("../img/kng-counterpoint.webp");
  background-position: center 65%;
  background-size: cover;
  isolation: isolate;
}

.hero-poster::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: rgba(10, 13, 12, 0.69);
  content: "";
}

.hero-poster::after {
  position: absolute;
  z-index: 1;
  inset: auto var(--page-pad) 0;
  height: 1px;
  background: rgba(243, 246, 242, 0.35);
  content: "";
}

.hero-poster__inner {
  width: 100%;
  display: grid;
  align-content: space-between;
  gap: 4rem;
  padding-block: clamp(2rem, 5vw, 4.5rem);
}

.hero-poster__top,
.hero-poster__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.hero-poster__top {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(243, 246, 242, 0.32);
}

.hero-poster__index {
  display: flex;
  gap: 1.2rem;
  color: var(--alloy);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-poster h1 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(4rem, 10.5vw, 11.6rem);
  font-weight: 900;
  letter-spacing: -0.087em;
  line-height: 0.78;
  text-wrap: balance;
}

.hero-poster h1 em {
  color: var(--blue);
  font-style: normal;
}

.hero-poster__bottom {
  align-items: end;
}

.hero-poster__intro {
  max-width: 46rem;
}

.hero-poster__intro p {
  margin: 0 0 1.5rem;
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-boundary {
  max-width: 23rem;
  margin: 0;
  padding-left: 1rem;
  color: var(--alloy);
  border-left: 4px solid var(--vermilion);
  font-size: 0.82rem;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  color: var(--carbon);
  background: var(--ice);
  border-bottom: 1px solid var(--carbon);
}

.signal-strip > div {
  min-height: 105px;
  padding: 1.25rem;
  border-right: 1px solid var(--carbon);
}

.signal-strip > div:last-child {
  border-right: 0;
}

.signal-strip span {
  display: block;
  margin-bottom: 0.65rem;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.signal-strip strong {
  font-family: var(--display);
  font-size: clamp(1.1rem, 1.8vw, 1.65rem);
  letter-spacing: -0.03em;
  line-height: 1;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(18rem, 0.6fr);
  align-items: end;
  gap: clamp(2rem, 7vw, 8rem);
  margin-bottom: clamp(3rem, 7vw, 7rem);
}

.split-heading .section-title {
  margin-top: 1.25rem;
}

.question-sequence {
  border-top: 1px solid currentColor;
}

.question-line {
  display: grid;
  grid-template-columns: 6rem minmax(16rem, 0.75fr) minmax(18rem, 1fr);
  gap: 2rem;
  padding-block: clamp(1.4rem, 3vw, 2.6rem);
  border-bottom: 1px solid currentColor;
}

.question-line__number {
  font-family: var(--mono);
  font-size: 0.72rem;
}

.question-line h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.9rem, 4vw, 4.5rem);
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.question-line p {
  max-width: 35rem;
  margin: 0;
}

.claim-lab {
  border: 1px solid currentColor;
}

.claim-lab__toolbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid currentColor;
}

.claim-filter {
  min-height: 58px;
  padding: 0.75rem;
  color: inherit;
  background: transparent;
  border: 0;
  border-right: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.claim-filter:last-child {
  border-right: 0;
}

.claim-filter:hover,
.claim-filter[aria-pressed="true"] {
  color: var(--carbon);
  background: var(--ice);
}

.claim-lab__body {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 0.75fr);
}

.claim-statement {
  min-height: 430px;
  display: flex;
  align-items: center;
  padding: clamp(2rem, 5vw, 5.5rem);
  border-right: 1px solid currentColor;
}

.claim-statement p {
  max-width: 28ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4.2vw, 4.9rem);
  font-weight: 780;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.claim-token {
  border-bottom: 4px solid transparent;
  transition: color 180ms ease, background 180ms ease, border 180ms ease;
}

.claim-lab[data-active="source"] .claim-token[data-kind="source"],
.claim-lab[data-active="evidence"] .claim-token[data-kind="evidence"],
.claim-lab[data-active="assumption"] .claim-token[data-kind="assumption"],
.claim-lab[data-active="unknown"] .claim-token[data-kind="unknown"] {
  color: var(--carbon);
  background: var(--ice);
  border-color: var(--carmine);
}

.claim-lab__margin {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem;
}

.claim-lab__margin strong {
  display: block;
  margin: 0.6rem 0;
  font-family: var(--display);
  font-size: 2rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.claim-lab__margin p {
  margin: 0;
}

.claim-lab__note {
  padding-top: 1rem;
  color: var(--alloy);
  border-top: 1px solid rgba(243, 246, 242, 0.3);
  font-size: 0.78rem;
}

.ledger {
  border-top: 1px solid currentColor;
}

.ledger-row {
  position: relative;
  display: grid;
  grid-template-columns: 7rem minmax(15rem, 0.8fr) minmax(18rem, 1.2fr) 8rem;
  align-items: start;
  gap: clamp(1.5rem, 4vw, 4.5rem);
  padding-block: clamp(2rem, 4vw, 4.2rem);
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  transition: color 150ms ease, background 150ms ease;
}

.ledger-row:hover {
  color: var(--carbon);
  background: var(--ice);
}

.ledger-row__number {
  font-family: var(--mono);
  font-size: 0.7rem;
}

.ledger-row h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4.2vw, 4.8rem);
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.ledger-row p {
  max-width: 37rem;
  margin: 0;
}

.ledger-row__arrow {
  justify-self: end;
  font-size: 2.4rem;
  line-height: 1;
}

.chapter-image {
  position: relative;
  min-height: min(72vw, 720px);
  display: grid;
  align-items: end;
  color: var(--laboratory);
  background: var(--carbon) url("../img/kng-evidence-instrument.webp") center / cover no-repeat;
  border-block: 1px solid var(--carbon);
}

.chapter-image::before {
  position: absolute;
  inset: 0;
  background: rgba(9, 12, 11, 0.34);
  content: "";
}

.chapter-image__caption {
  position: relative;
  display: grid;
  grid-template-columns: 1fr minmax(18rem, 0.65fr);
  align-items: end;
  gap: 3rem;
  padding-block: 3rem;
}

.chapter-image__caption h2 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.2rem, 8vw, 8.5rem);
  letter-spacing: -0.075em;
  line-height: 0.82;
}

.chapter-image__caption div:last-child {
  padding: 1.5rem;
  color: var(--carbon);
  background: var(--laboratory);
  border-left: 7px solid var(--carmine);
}

.chapter-image__caption p {
  margin: 0;
}

.work-index {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid currentColor;
}

.work-step {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 3rem;
  padding: 1.5rem;
  border-right: 1px solid currentColor;
}

.work-step:last-child {
  border-right: 0;
}

.work-step h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.7rem, 2.8vw, 3.2rem);
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.work-step p {
  margin: 0;
  font-size: 0.9rem;
}

.case-desk {
  border: 1px solid currentColor;
}

.case-desk__tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid currentColor;
}

.case-tab {
  min-height: 105px;
  padding: 1rem;
  text-align: left;
  color: inherit;
  background: transparent;
  border: 0;
  border-right: 1px solid currentColor;
  cursor: pointer;
}

.case-tab:last-child {
  border-right: 0;
}

.case-tab:hover,
.case-tab[aria-selected="true"] {
  color: var(--carbon);
  background: var(--ice);
}

.case-tab span,
.case-tab strong {
  display: block;
}

.case-tab span {
  margin-bottom: 0.65rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.case-tab strong {
  font-family: var(--display);
  font-size: clamp(1.15rem, 2vw, 1.8rem);
  letter-spacing: -0.035em;
  line-height: 1;
}

.case-desk__body {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.65fr);
  min-height: 460px;
}

.case-preview {
  padding: clamp(2rem, 5vw, 5rem);
  border-right: 1px solid currentColor;
}

.case-preview h3 {
  max-width: 16ch;
  margin: 1rem 0 1.5rem;
  font-family: var(--display);
  font-size: clamp(2.3rem, 5vw, 5.5rem);
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.case-preview p {
  max-width: 40rem;
}

.case-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 2.5rem;
  border-top: 1px solid currentColor;
}

.case-facts div {
  padding: 1rem 1rem 1rem 0;
  border-bottom: 1px solid currentColor;
}

.case-facts div:nth-child(odd) {
  border-right: 1px solid currentColor;
}

.case-facts div:nth-child(even) {
  padding-left: 1rem;
}

.case-facts span,
.case-facts strong {
  display: block;
}

.case-facts span {
  margin-bottom: 0.4rem;
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-request {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--laboratory);
  background: var(--carbon);
}

.case-request h3 {
  margin: 0.65rem 0 1rem;
  font-family: var(--display);
  font-size: clamp(2rem, 3.5vw, 3.8rem);
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.case-request > p {
  color: var(--alloy);
  font-size: 0.87rem;
}

.publication-index {
  border-top: 1px solid currentColor;
}

.publication-row {
  display: grid;
  grid-template-columns: 7rem minmax(16rem, 1fr) minmax(14rem, 0.45fr) 3rem;
  align-items: center;
  gap: 2rem;
  padding-block: 1.6rem;
  border-bottom: 1px solid currentColor;
  text-decoration: none;
}

.publication-row:hover {
  color: var(--laboratory);
  background: var(--carmine);
}

.publication-row span {
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
}

.publication-row h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.45rem, 3vw, 2.8rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.publication-row p {
  margin: 0;
  font-size: 0.85rem;
}

.faq-list {
  border-top: 1px solid currentColor;
}

.faq-list details {
  border-bottom: 1px solid currentColor;
}

.faq-list summary {
  position: relative;
  min-height: 80px;
  display: grid;
  grid-template-columns: 5rem 1fr 2rem;
  align-items: center;
  gap: 1.5rem;
  padding: 1.2rem 0;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.5vw, 2.3rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span:first-child {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.faq-list summary::after {
  justify-self: end;
  font-family: var(--mono);
  content: "+";
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 52rem;
  margin: 0 0 2rem 6.5rem;
}

.tearoff {
  color: var(--laboratory);
  background: var(--carmine);
  border-block: 1px solid var(--carbon);
}

.tearoff__inner {
  min-height: 270px;
  display: grid;
  grid-template-columns: minmax(18rem, 0.9fr) minmax(24rem, 1.1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 7rem);
  padding-block: clamp(3rem, 6vw, 5.5rem);
}

.tearoff h2 {
  margin: 0.75rem 0 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 6vw, 6.4rem);
  letter-spacing: -0.065em;
  line-height: 0.86;
}

.lead-form {
  position: relative;
}

.lead-form__row {
  display: flex;
  align-items: stretch;
  border: 1px solid currentColor;
}

.lead-form__field {
  flex: 1;
}

.lead-form label:not(.consent-check) {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead-form input[type="email"] {
  width: 100%;
  height: 58px;
  padding: 0 1rem;
  color: var(--carbon);
  background: var(--laboratory);
  border: 0;
  border-radius: 0;
}

.lead-form input[type="email"]::placeholder {
  color: #66706b;
}

.lead-form__row .button {
  min-width: 180px;
  border: 0;
  border-left: 1px solid currentColor;
}

.consent-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-top: 0.9rem;
  font-size: 0.76rem;
  cursor: pointer;
}

.consent-check input {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  margin-top: 0.15rem;
  accent-color: var(--ice);
}

.form-note,
.form-status {
  margin: 0.85rem 0 0;
  font-size: 0.74rem;
}

.form-note a {
  font-weight: 700;
}

.form-status {
  min-height: 1.3em;
  font-weight: 700;
}

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

.page-poster {
  position: relative;
  min-height: 74svh;
  display: grid;
  align-items: end;
  color: var(--laboratory);
  background: var(--carbon);
  border-bottom: 1px solid var(--laboratory);
}

.page-poster::before,
.page-poster::after {
  position: absolute;
  background: rgba(243, 246, 242, 0.28);
  content: "";
}

.page-poster::before {
  top: var(--page-pad);
  right: var(--page-pad);
  bottom: var(--page-pad);
  width: 1px;
}

.page-poster::after {
  right: var(--page-pad);
  bottom: var(--page-pad);
  left: var(--page-pad);
  height: 1px;
}

.page-poster__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(5rem, 10vw, 9rem);
}

.page-poster h1 {
  max-width: 12ch;
  margin: 1rem 0 2rem;
  font-family: var(--display);
  font-size: clamp(4rem, 10vw, 11rem);
  font-weight: 900;
  letter-spacing: -0.085em;
  line-height: 0.79;
}

.page-poster .lede {
  color: var(--alloy);
}

.page-poster__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  margin-top: 2rem;
  color: var(--ice);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fact-ledger {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid currentColor;
}

.fact-ledger > div {
  min-height: 160px;
  padding: 1.25rem;
  border-right: 1px solid currentColor;
}

.fact-ledger > div:last-child {
  border-right: 0;
}

.fact-ledger span,
.fact-ledger strong {
  display: block;
}

.fact-ledger span {
  margin-bottom: 1.2rem;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fact-ledger strong {
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.5vw, 2.5rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.module-ledger {
  counter-reset: module;
  border-top: 1px solid currentColor;
}

.module-line {
  counter-increment: module;
  display: grid;
  grid-template-columns: 6rem minmax(14rem, 0.8fr) minmax(18rem, 1fr);
  gap: 2rem;
  padding-block: 1.6rem;
  border-bottom: 1px solid currentColor;
}

.module-line::before {
  font-family: var(--mono);
  font-size: 0.7rem;
  content: counter(module, decimal-leading-zero);
}

.module-line h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.5vw, 2.6rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.module-line p {
  margin: 0;
}

.outcome-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid currentColor;
  list-style: none;
}

.outcome-list li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding-block: 1rem;
  border-bottom: 1px solid currentColor;
}

.outcome-list li::before {
  color: var(--carmine);
  font-family: var(--mono);
  content: "↳";
}

.boundary-note {
  display: grid;
  grid-template-columns: minmax(15rem, 0.65fr) 1fr;
  gap: 3rem;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  color: var(--laboratory);
  background: var(--carbon);
  border-left: 9px solid var(--carmine);
}

.boundary-note h2,
.boundary-note h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 4.4rem);
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.boundary-note p {
  max-width: 44rem;
  margin: 0;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(16rem, 0.65fr) minmax(20rem, 1fr);
  gap: clamp(2rem, 8vw, 9rem);
}

.sticky-label {
  position: sticky;
  top: 2rem;
  align-self: start;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 1rem;
  border: 1px solid currentColor;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.legal-copy {
  display: grid;
  grid-template-columns: minmax(15rem, 0.55fr) minmax(20rem, 1fr);
  gap: clamp(2.5rem, 8vw, 9rem);
}

.legal-copy__index {
  align-self: start;
  border-top: 1px solid currentColor;
}

.legal-copy__index a {
  display: block;
  padding: 0.9rem 0;
  border-bottom: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-decoration: none;
}

.legal-copy__body h2 {
  margin: 4rem 0 1rem;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 4rem);
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.legal-copy__body h2:first-child {
  margin-top: 0;
}

.legal-copy__body h3 {
  margin: 2rem 0 0.75rem;
}

.legal-copy__body p,
.legal-copy__body li {
  max-width: 50rem;
}

.legal-copy__body li + li {
  margin-top: 0.6rem;
}

.contact-sheet {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid currentColor;
}

.contact-sheet > div {
  min-height: 250px;
  padding: clamp(1.5rem, 4vw, 3.5rem);
}

.contact-sheet > div:nth-child(odd) {
  border-right: 1px solid currentColor;
}

.contact-sheet > div:nth-child(n + 3) {
  border-top: 1px solid currentColor;
}

.contact-sheet h2 {
  margin: 0.75rem 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 4rem);
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.contact-sheet address {
  font-style: normal;
}

.site-footer {
  color: var(--laboratory);
  background: var(--carbon);
  border-top: 1px solid rgba(243, 246, 242, 0.25);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, 0.75fr);
  gap: 2rem;
  padding-block: 4rem;
}

.footer-brand {
  max-width: 24rem;
}

.footer-brand__name {
  display: inline-block;
  margin-bottom: 1rem;
  font-family: var(--display);
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: -0.075em;
  line-height: 0.8;
  text-decoration: none;
}

.footer-brand p {
  color: var(--alloy);
}

.footer-column h2 {
  margin: 0 0 1rem;
  color: var(--ice);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-column a,
.footer-column button {
  display: block;
  margin: 0 0 0.65rem;
  padding: 0;
  color: var(--laboratory);
  background: none;
  border: 0;
  font-size: 0.85rem;
  text-align: left;
  cursor: pointer;
}

.site-footer__legal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding-block: 1.5rem;
  color: var(--alloy);
  border-top: 1px solid rgba(243, 246, 242, 0.25);
  border-bottom: 1px solid rgba(243, 246, 242, 0.25);
  font-size: 0.72rem;
}

.site-footer__legal p {
  margin: 0;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
  color: var(--alloy);
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cookie-banner {
  position: fixed;
  z-index: 1200;
  right: 1rem;
  bottom: 1rem;
  width: min(620px, calc(100vw - 2rem));
  color: var(--laboratory);
  background: var(--carbon);
  border: 1px solid var(--laboratory);
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner__body {
  padding: 1.25rem;
}

.cookie-banner h2 {
  margin: 0.5rem 0;
  font-family: var(--display);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.cookie-banner p {
  margin: 0;
  color: var(--alloy);
  font-size: 0.8rem;
}

.cookie-banner__actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--laboratory);
}

.cookie-banner__actions button {
  min-height: 52px;
  padding: 0.65rem;
  color: var(--laboratory);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--laboratory);
  font-family: var(--mono);
  font-size: 0.68rem;
  cursor: pointer;
}

.cookie-banner__actions button:last-child {
  border-right: 0;
}

.cookie-banner__actions button:hover {
  color: var(--carbon);
  background: var(--ice);
}

.cookie-dialog {
  width: min(620px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  padding: 0;
  color: var(--carbon);
  background: var(--laboratory);
  border: 1px solid var(--carbon);
  border-radius: 0;
}

.cookie-dialog::backdrop {
  background: rgba(0, 0, 0, 0.76);
}

.cookie-dialog__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem;
  border-bottom: 1px solid var(--carbon);
}

.cookie-dialog__head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 2.3rem;
  letter-spacing: -0.05em;
}

.cookie-dialog__close {
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--carbon);
  cursor: pointer;
}

.cookie-dialog__body {
  padding: 1.25rem;
}

.cookie-option {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
}

.cookie-option strong,
.cookie-option small {
  display: block;
}

.cookie-option small {
  margin-top: 0.35rem;
  color: var(--muted);
}

.cookie-option input {
  width: 22px;
  height: 22px;
  accent-color: var(--carmine);
}

.cookie-dialog__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
  padding: 1.25rem;
  border-top: 1px solid var(--carbon);
}

.status-page {
  min-height: 100svh;
  display: grid;
  align-items: center;
  color: var(--laboratory);
  background: var(--carbon);
}

.status-page h1 {
  margin: 0.75rem 0 1.5rem;
  font-family: var(--display);
  font-size: clamp(4.5rem, 14vw, 14rem);
  letter-spacing: -0.09em;
  line-height: 0.72;
}

.status-page p {
  max-width: 42rem;
  color: var(--alloy);
  font-size: 1.15rem;
}

@media (max-width: 1100px) {
  .ledger-row {
    grid-template-columns: 4rem minmax(14rem, 0.8fr) minmax(16rem, 1fr) 3rem;
    gap: 1.5rem;
  }

  .work-index,
  .fact-ledger {
    grid-template-columns: repeat(2, 1fr);
  }

  .work-step:nth-child(2),
  .fact-ledger > div:nth-child(2) {
    border-right: 0;
  }

  .work-step:nth-child(-n + 2),
  .fact-ledger > div:nth-child(-n + 2) {
    border-bottom: 1px solid currentColor;
  }

  .site-footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  :root {
    --page-pad: clamp(1rem, 5vw, 2.5rem);
  }

  .chapter-rail {
    display: none;
  }

  .site-frame {
    margin-left: 0;
    padding-top: 66px;
  }

  .mobile-header {
    position: fixed;
    z-index: 700;
    inset: 0 0 auto;
    height: 66px;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    color: var(--laboratory);
    background: var(--carbon);
    border-bottom: 1px solid rgba(243, 246, 242, 0.3);
  }

  .mobile-brand {
    min-width: 110px;
    display: flex;
    align-items: center;
    padding-inline: 1rem;
    border-right: 1px solid rgba(243, 246, 242, 0.3);
    font-family: var(--display);
    font-size: 1.35rem;
    font-weight: 900;
    letter-spacing: -0.06em;
    text-decoration: none;
  }

  .menu-trigger {
    width: 78px;
    color: var(--laboratory);
    background: transparent;
    border: 0;
    border-left: 1px solid rgba(243, 246, 242, 0.3);
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    cursor: pointer;
  }

  .mobile-menu {
    position: fixed;
    z-index: 650;
    inset: 66px 0 0;
    display: none;
    overflow: auto;
    color: var(--laboratory);
    background: var(--carbon);
  }

  .mobile-menu[data-open="true"] {
    display: block;
  }

  .mobile-menu nav {
    border-top: 1px solid rgba(243, 246, 242, 0.25);
  }

  .mobile-menu a {
    min-height: 84px;
    display: grid;
    grid-template-columns: 4rem 1fr 2rem;
    align-items: center;
    gap: 1rem;
    padding-inline: var(--page-pad);
    border-bottom: 1px solid rgba(243, 246, 242, 0.25);
    font-family: var(--display);
    font-size: clamp(1.7rem, 7vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    text-decoration: none;
  }

  .mobile-menu a span:first-child {
    color: var(--ice);
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
  }

  .mobile-menu a[aria-current="page"] {
    color: var(--carbon);
    background: var(--ice);
  }

  .hero-poster {
    min-height: calc(100svh - 66px);
  }

  .hero-poster__top,
  .hero-poster__bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-poster__bottom {
    gap: 2rem;
  }

  .hero-boundary {
    max-width: 38rem;
  }

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

  .signal-strip > div:nth-child(2) {
    border-right: 0;
  }

  .signal-strip > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--carbon);
  }

  .split-heading,
  .two-column,
  .legal-copy,
  .boundary-note,
  .chapter-image__caption,
  .tearoff__inner {
    grid-template-columns: 1fr;
  }

  .sticky-label {
    position: static;
  }

  .question-line,
  .module-line {
    grid-template-columns: 4rem 1fr;
  }

  .question-line p,
  .module-line p {
    grid-column: 2;
  }

  .claim-lab__body,
  .case-desk__body {
    grid-template-columns: 1fr;
  }

  .claim-statement,
  .case-preview {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid currentColor;
  }

  .ledger-row {
    grid-template-columns: 4rem 1fr 3rem;
  }

  .ledger-row p {
    grid-column: 2;
  }

  .ledger-row__arrow {
    grid-column: 3;
    grid-row: 1;
  }

  .publication-row {
    grid-template-columns: 4rem 1fr 2rem;
  }

  .publication-row p {
    grid-column: 2;
  }

  .publication-row > span:last-child {
    grid-column: 3;
    grid-row: 1;
  }

  .site-footer__legal {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-poster h1,
  .page-poster h1 {
    font-size: clamp(3.5rem, 17vw, 6.2rem);
  }

  .hero-poster__index span:nth-child(n + 3) {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .signal-strip,
  .work-index,
  .fact-ledger,
  .case-desk__tabs,
  .contact-sheet {
    grid-template-columns: 1fr;
  }

  .contact-sheet > div:nth-child(odd) {
    border-right: 0;
  }

  .contact-sheet > div:nth-child(n + 2) {
    border-top: 1px solid currentColor;
  }

  .signal-strip > div,
  .work-step,
  .fact-ledger > div,
  .case-tab {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid currentColor;
  }

  .signal-strip > div:last-child,
  .work-step:last-child,
  .fact-ledger > div:last-child,
  .case-tab:last-child {
    border-bottom: 0;
  }

  .question-line,
  .module-line,
  .ledger-row,
  .publication-row {
    grid-template-columns: 2.5rem 1fr;
    gap: 1rem;
  }

  .ledger-row__arrow,
  .publication-row > span:last-child {
    display: none;
  }

  .claim-lab__toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .claim-filter:nth-child(2) {
    border-right: 0;
  }

  .claim-filter:nth-child(-n + 2) {
    border-bottom: 1px solid currentColor;
  }

  .claim-statement p {
    font-size: clamp(1.8rem, 9vw, 3.2rem);
  }

  .case-facts {
    grid-template-columns: 1fr;
  }

  .case-facts div:nth-child(odd) {
    border-right: 0;
  }

  .case-facts div:nth-child(even) {
    padding-left: 0;
  }

  .faq-list summary {
    grid-template-columns: 2.5rem 1fr 1.5rem;
    gap: 0.75rem;
  }

  .faq-list details p {
    margin-left: 3.25rem;
  }

  .lead-form__row {
    display: block;
    border: 0;
  }

  .lead-form input[type="email"] {
    border: 1px solid currentColor;
  }

  .lead-form__row .button {
    width: 100%;
    margin-top: 0.6rem;
    border: 1px solid currentColor;
  }

  .site-footer__top {
    grid-template-columns: 1fr;
  }

  .site-footer__bottom {
    flex-direction: column;
  }

  .cookie-banner {
    right: 0;
    bottom: 0;
    width: 100%;
  }

  .cookie-banner__actions {
    grid-template-columns: 1fr;
  }

  .cookie-banner__actions button {
    border-right: 0;
    border-bottom: 1px solid var(--laboratory);
  }

  .cookie-banner__actions button:last-child {
    border-bottom: 0;
  }

  .cookie-dialog__actions {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .chapter-rail,
  .mobile-header,
  .mobile-menu,
  .cookie-banner,
  .cookie-dialog,
  .tearoff,
  .site-footer {
    display: none !important;
  }

  .site-frame {
    margin: 0;
    padding: 0;
  }

  body,
  .section--ink,
  .page-poster {
    color: #000;
    background: #fff;
  }
}