:root {
  color-scheme: light;
  --paper: #fbfdf9;
  --ink: #19261d;
  --body: #46564a;
  --muted: #617066;
  --hairline: #e4ebe2;
  --hairline-strong: #cdd9cc;
  --surface: #f5f8f2;
  --canvas: #eef5e9;
  --accent: #4e8b5f;
  --accent-bright: #72a47e;
  --accent-mint: #9ccfae;
  --accent-dark: #356d47;
  --accent-hover: #2d5f3d;
  --accent-soft: #e7f2e5;
  --focus: #4e8b5f;
  --radius: 8px;
  --shell: 1240px;
  --gutter: clamp(20px, 4vw, 52px);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", "SF Mono", ui-monospace, Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

body::selection,
body *::selection {
  background: #cfe7d7;
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-dark);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 3px;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-180%);
  border: 1px solid var(--hairline-strong);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
  box-shadow: 0 12px 34px rgb(25 38 29 / 14%);
}

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

.shell {
  width: min(100%, calc(var(--shell) + (2 * var(--gutter))));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid var(--hairline-strong);
  background: rgb(251 253 249 / 98%);
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  color: var(--ink);
  font-size: 21px;
  font-weight: 720;
  letter-spacing: -0.045em;
  text-decoration: none;
}

.desktop-nav,
.desktop-nav .nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.8vw, 38px);
}

.desktop-nav a,
.mobile-nav a {
  color: #3e4d42;
  font-size: 14px;
  font-weight: 560;
  letter-spacing: -0.012em;
  text-decoration: none;
}

.desktop-nav a:hover,
.mobile-nav a:hover {
  color: var(--accent-dark);
}

.external-link::after {
  content: "↗";
  display: inline-block;
  margin-left: 0.32em;
  font-size: 0.86em;
  transform: translateY(-0.08em);
}

.mobile-nav {
  display: none;
  position: relative;
}

.mobile-nav summary {
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: 14px;
  font-weight: 620;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav summary::after {
  content: "+";
  margin-left: 8px;
  font-family: var(--mono);
  font-weight: 400;
}

.mobile-nav[open] summary::after {
  content: "−";
}

.mobile-nav nav {
  position: absolute;
  top: 40px;
  right: 0;
  min-width: 220px;
  padding: 10px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 20px 50px rgb(25 38 29 / 14%);
}

.mobile-nav .nav-links {
  display: grid;
}

.mobile-nav nav a {
  display: block;
  padding: 11px 12px;
  border-radius: 5px;
}

.mobile-nav nav a:hover {
  background: var(--accent-soft);
}

.landing-main {
  overflow: clip;
}

.hero {
  padding-block: clamp(72px, 9vw, 132px) clamp(58px, 8vw, 104px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(56px, 8vw, 124px);
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.25rem, 5.8vw, 5.35rem);
  font-weight: 690;
  letter-spacing: -0.067em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero-copy {
  max-width: 650px;
  margin: 30px 0 0;
  color: var(--body);
  font-size: clamp(1.14rem, 1.8vw, 1.42rem);
  letter-spacing: -0.027em;
  line-height: 1.52;
  text-wrap: pretty;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 19px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -0.015em;
  text-decoration: none;
  box-shadow: 0 1px 1px rgb(25 38 29 / 4%), inset 0 1px 0 rgb(255 255 255 / 65%);
  transition: border-color 160ms ease, box-shadow 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  border-color: #aabdaa;
  color: var(--ink);
  box-shadow: 0 5px 18px rgb(25 38 29 / 8%), inset 0 1px 0 rgb(255 255 255 / 70%);
  transform: translateY(-1px);
}

.button-primary {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: #fff;
  box-shadow: 0 1px 1px rgb(25 38 29 / 22%), 0 7px 22px rgb(53 109 71 / 16%);
}

.button-primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
  color: #fff;
  box-shadow: 0 9px 28px rgb(45 95 61 / 22%);
}

.button .arrow {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 400;
  transition: transform 160ms ease;
}

.button:hover .arrow {
  transform: translateX(2px);
}

.route-panel {
  position: relative;
  padding: 32px 0 28px;
  border-top: 1px solid var(--hairline-strong);
  border-bottom: 1px solid var(--hairline-strong);
}

.route-panel::before {
  position: absolute;
  top: -3px;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--accent);
  content: "";
}

.route-caption {
  margin: 0 0 34px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.route-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.route-track::before {
  position: absolute;
  top: 9px;
  right: 8%;
  left: 8%;
  height: 1px;
  background: #9fb2a2;
  content: "";
}

.route-step {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.route-node {
  display: block;
  width: 19px;
  height: 19px;
  margin: 0 0 22px;
  border: 1px solid #829889;
  border-radius: 2px;
  background: var(--paper);
  box-shadow: 0 0 0 7px var(--paper);
}

.route-step:nth-child(2) .route-node {
  border-color: var(--accent);
  background: var(--accent-mint);
}

.route-label {
  margin: 0 0 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.route-value {
  overflow-wrap: anywhere;
  margin: 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
}

.fact-rail {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.fact-list {
  display: flex;
  min-height: 70px;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fact-list li {
  position: relative;
  color: #34463a;
  font-size: 14px;
  font-weight: 560;
  letter-spacing: -0.015em;
}

.fact-list li + li {
  padding-left: 17px;
}

.fact-list li + li::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 4px;
  height: 4px;
  transform: translateY(-50%);
  background: var(--accent);
  content: "";
}

.landing-section {
  padding-block: clamp(84px, 10vw, 144px);
}

.landing-section + .landing-section {
  border-top: 1px solid var(--hairline);
}

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.45fr);
  align-items: end;
  gap: 40px;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-number {
  display: block;
  margin-bottom: 13px;
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.landing-section h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.2vw, 3.7rem);
  font-weight: 660;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.section-intro {
  max-width: 480px;
  margin: 0;
  color: var(--body);
  font-size: 16px;
  letter-spacing: -0.018em;
  line-height: 1.65;
  text-wrap: pretty;
}

.problem-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline-strong);
  list-style: none;
  counter-reset: route;
}

.problem-list li {
  counter-increment: route;
}

.problem-link {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) minmax(190px, 0.36fr) 28px;
  min-height: 78px;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--hairline-strong);
  color: var(--ink);
  text-decoration: none;
  transition: background-color 160ms ease, padding 160ms ease;
}

.problem-link::before {
  color: var(--muted);
  content: counter(route, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.problem-link:hover {
  padding-inline: 10px;
  background: var(--accent-soft);
  color: var(--ink);
}

.problem-text {
  font-size: clamp(1.02rem, 1.6vw, 1.28rem);
  font-weight: 590;
  letter-spacing: -0.025em;
}

.problem-protocol {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.problem-arrow {
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 17px;
  text-align: right;
  transition: transform 160ms ease;
}

.problem-link:hover .problem-arrow {
  transform: translateX(3px);
}

.protocol-table-wrap,
.table-scroll {
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.protocol-table,
.doc table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

.protocol-table th,
.doc th {
  padding: 0 16px 14px;
  border-bottom: 1px solid var(--hairline-strong);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}

.protocol-table th:first-child,
.protocol-table td:first-child,
.doc th:first-child,
.doc td:first-child {
  padding-left: 0;
}

.protocol-table th:last-child,
.protocol-table td:last-child,
.doc th:last-child,
.doc td:last-child {
  padding-right: 0;
}

.protocol-table td {
  padding: 20px 16px;
  border-bottom: 1px solid var(--hairline);
  color: #35463a;
  font-size: 14px;
  vertical-align: middle;
}

.protocol-table tbody tr {
  transition: background-color 160ms ease;
}

.protocol-table tbody tr:hover {
  background: var(--surface);
}

.protocol-name {
  display: block;
  color: var(--ink);
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.protocol-problem {
  display: block;
  max-width: 430px;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.token,
.protocol-table code,
.evidence-counts code {
  color: #35483a;
  font-family: var(--mono);
  font-size: 12px;
}

abbr.token {
  cursor: help;
  text-decoration: underline dotted #9fb2a2 1px;
  text-underline-offset: 4px;
}

.case-link {
  color: var(--accent-dark);
  font-weight: 610;
  text-decoration: none;
}

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

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--hairline-strong);
  border-bottom: 1px solid var(--hairline-strong);
}

.evidence-axis {
  min-width: 0;
  padding: 32px clamp(18px, 3vw, 38px) 36px;
}

.evidence-axis:first-child {
  padding-left: 0;
}

.evidence-axis:last-child {
  padding-right: 0;
}

.evidence-axis + .evidence-axis {
  border-left: 1px solid var(--hairline-strong);
}

.evidence-axis h3 {
  margin: 0 0 11px;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.03em;
}

.evidence-axis p {
  margin: 0;
  color: var(--body);
  font-size: 14px;
  line-height: 1.65;
}

.vocabulary-line {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.85;
}

.vocabulary-line abbr {
  color: #35483a;
  font-family: var(--mono);
  text-decoration: underline dotted #9fb2a2 1px;
  text-underline-offset: 4px;
}

.evidence-counts {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline-strong);
  color: var(--body);
  font-size: 14px;
}

.evidence-counts::before {
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent);
  content: "";
}

.authority-grid {
  display: grid;
  grid-template-columns: 0.52fr 1fr;
  gap: clamp(42px, 8vw, 120px);
  align-items: start;
}

.authority-source {
  color: var(--body);
}

.authority-source ul {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline-strong);
  list-style: none;
}

.authority-source li {
  padding: 22px 0 22px 32px;
  border-bottom: 1px solid var(--hairline-strong);
  position: relative;
}

.authority-source li::before {
  position: absolute;
  top: 31px;
  left: 1px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--accent);
  content: "";
}

.adopt-grid {
  display: grid;
  grid-template-columns: 0.52fr 1fr;
  gap: clamp(42px, 8vw, 120px);
}

.adopt-steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline-strong);
  list-style: none;
  counter-reset: adopt;
}

.adopt-steps li {
  position: relative;
  min-height: 112px;
  padding: 28px 0 28px 74px;
  border-bottom: 1px solid var(--hairline-strong);
  counter-increment: adopt;
}

.adopt-steps li::before {
  position: absolute;
  top: 31px;
  left: 0;
  color: var(--accent-dark);
  content: counter(adopt);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 650;
}

.adopt-steps li::after {
  position: absolute;
  top: 36px;
  left: 34px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--accent);
  content: "";
}

.adopt-steps h3 {
  margin: 0 0 5px;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.adopt-steps p {
  margin: 0;
  color: var(--body);
  font-size: 14px;
}

.site-footer {
  border-top: 1px solid var(--hairline-strong);
  background: var(--paper);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  padding-block: 54px;
}

.footer-authority {
  max-width: 680px;
  margin: 0;
  color: var(--body);
  font-size: 14px;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 24px;
}

.footer-links a {
  color: var(--ink);
  font-size: 13px;
  font-weight: 570;
}

.revision {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.025em;
  text-align: right;
}

/* Rendered source documents */

.doc-main {
  min-height: calc(100vh - 72px);
}

.doc-shell {
  width: min(100%, calc(900px + (2 * var(--gutter))));
  margin-inline: auto;
  padding: clamp(64px, 8vw, 112px) var(--gutter) clamp(92px, 12vw, 160px);
}

.doc-sourcebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 42px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline-strong);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.doc-sourcebar a {
  color: var(--accent-dark);
  text-decoration: none;
}

.doc {
  color: #2f3d32;
  font-size: 17px;
  line-height: 1.75;
}

.doc h1,
.doc h2,
.doc h3,
.doc h4 {
  color: var(--ink);
  font-weight: 680;
  letter-spacing: -0.04em;
  line-height: 1.16;
  text-wrap: balance;
}

.doc h1 {
  max-width: 820px;
  margin: 0 0 40px;
  font-size: clamp(2.75rem, 6vw, 5rem);
  letter-spacing: -0.06em;
  line-height: 1.01;
}

.doc h2 {
  margin: 84px 0 22px;
  padding-top: 26px;
  border-top: 1px solid var(--hairline-strong);
  font-size: clamp(1.85rem, 3.6vw, 2.65rem);
}

.doc h3 {
  margin: 52px 0 16px;
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
}

.doc h4 {
  margin: 36px 0 12px;
  font-size: 1.1rem;
}

.doc p,
.doc ul,
.doc ol,
.doc blockquote {
  margin-block: 0 24px;
}

.doc ul,
.doc ol {
  padding-left: 1.35em;
}

.doc li + li {
  margin-top: 8px;
}

.doc a {
  color: var(--accent-dark);
  font-weight: 540;
}

.doc blockquote {
  padding: 18px 22px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--body);
}

.doc blockquote > :last-child {
  margin-bottom: 0;
}

.doc code {
  padding: 0.12em 0.34em;
  border: 1px solid #d6e2d5;
  border-radius: 4px;
  background: var(--surface);
  color: #285b39;
  font-family: var(--mono);
  font-size: 0.86em;
}

.doc pre {
  max-width: 100%;
  overflow-x: auto;
  margin: 28px 0;
  padding: 22px;
  border: 1px solid #b8c8b8;
  border-radius: var(--radius);
  background: #19261d;
  color: #f7fbf5;
  font-size: 13px;
  line-height: 1.65;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 5%), 0 10px 35px rgb(25 38 29 / 7%);
}

.doc pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

.doc .table-scroll {
  margin: 30px 0;
}

.doc th,
.doc td {
  min-width: 130px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--hairline-strong);
  font-size: 13px;
  line-height: 1.55;
  vertical-align: top;
}

.doc hr {
  margin: 64px 0;
  border: 0;
  border-top: 1px solid var(--hairline-strong);
}

.not-found {
  display: grid;
  min-height: calc(100vh - 72px);
  place-items: center;
  padding: var(--gutter);
}

.not-found-inner {
  width: min(100%, 720px);
  padding-block: 80px;
}

.not-found h1 {
  margin: 0;
  font-size: clamp(3.4rem, 9vw, 7rem);
  letter-spacing: -0.07em;
  line-height: 0.95;
}

.not-found p {
  max-width: 560px;
  margin: 28px 0 0;
  color: var(--body);
  font-size: 19px;
}

@media (min-width: 721px) and (max-height: 700px) {
  .hero {
    padding-block: 48px;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 5.2vw, 4.4rem);
  }

  .hero-copy {
    margin-top: 22px;
    font-size: 1.15rem;
  }

  .hero-actions {
    margin-top: 26px;
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .section-heading-row,
  .authority-grid,
  .adopt-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 64px;
  }

  .route-panel {
    max-width: 680px;
  }

  .section-heading-row {
    gap: 18px;
  }

  .section-intro {
    max-width: 640px;
  }

  .problem-link {
    grid-template-columns: 44px minmax(0, 1fr) minmax(170px, 0.4fr) 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    align-items: flex-start;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .revision {
    text-align: left;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 72px;
  }

  .header-inner {
    min-height: 64px;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    padding-block: 58px 64px;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 12.8vw, 4.1rem);
    letter-spacing: -0.062em;
  }

  .hero-copy {
    margin-top: 24px;
    font-size: 1.08rem;
  }

  .hero-actions,
  .section-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .route-panel {
    padding-block: 24px;
  }

  .route-caption {
    margin-bottom: 26px;
  }

  .route-track {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .route-track::before {
    top: 8px;
    bottom: 8px;
    left: 8px;
    width: 1px;
    height: auto;
  }

  .route-step {
    display: grid;
    grid-template-columns: 20px 1fr;
    column-gap: 18px;
  }

  .route-node {
    grid-row: span 2;
    margin: 0;
    box-shadow: 0 0 0 6px var(--paper);
  }

  .fact-list {
    min-height: 0;
    padding-block: 20px;
    gap: 8px 18px;
  }

  .fact-list li {
    font-size: 12px;
  }

  .fact-list li + li {
    padding-left: 13px;
  }

  .landing-section {
    padding-block: 76px;
  }

  .section-heading-row {
    margin-bottom: 36px;
  }

  .landing-section h2 {
    font-size: clamp(2.05rem, 10vw, 3rem);
  }

  .problem-link {
    grid-template-columns: 36px minmax(0, 1fr) 22px;
    gap: 12px;
    padding-block: 18px;
  }

  .problem-protocol {
    grid-column: 2;
    margin-top: -9px;
  }

  .problem-arrow {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .protocol-table {
    display: block;
  }

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

  .protocol-table tbody,
  .protocol-table tr,
  .protocol-table td {
    display: block;
    width: 100%;
  }

  .protocol-table tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--hairline-strong);
  }

  .protocol-table td,
  .protocol-table td:first-child,
  .protocol-table td:last-child {
    padding: 0;
    border: 0;
  }

  .protocol-table td:first-child {
    grid-column: 1 / -1;
  }

  .protocol-table td::before {
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
    content: attr(data-label);
    font-family: var(--mono);
    font-size: 9px;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .protocol-table td:first-child::before {
    display: none;
  }

  .protocol-problem {
    margin-top: 5px;
  }

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

  .evidence-axis,
  .evidence-axis:first-child,
  .evidence-axis:last-child {
    padding: 24px 0;
  }

  .evidence-axis + .evidence-axis {
    border-top: 1px solid var(--hairline-strong);
    border-left: 0;
  }

  .evidence-counts {
    align-items: flex-start;
  }

  .adopt-steps li {
    padding-left: 64px;
  }

  .footer-inner {
    padding-block: 42px;
  }

  .doc-shell {
    padding-top: 50px;
  }

  .doc-sourcebar {
    align-items: flex-start;
    flex-direction: column;
  }

  .doc {
    font-size: 16px;
  }

  .doc h1 {
    font-size: clamp(2.45rem, 12vw, 3.8rem);
  }

  .doc h2 {
    margin-top: 64px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}