:root {
  --paper: #f4eddf;
  --paper-deep: #e9deca;
  --paper-light: #fbf7ee;
  --ink: #202820;
  --ink-soft: #505a4f;
  --line: #c8bda9;
  --vermilion: #c74328;
  --vermilion-dark: #8f2b1c;
  --green: #17624a;
  --green-light: #dce9dd;
  --saffron: #e7aa28;
  --saffron-light: #f7e6ae;
  --blue: #2f5c85;
  --display: "Newsreader", "Anek Devanagari", Georgia, serif;
  --body: "DM Sans", "Anek Devanagari", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1180px;
  --shadow-hard: 7px 7px 0 var(--ink);
  --radius-sm: 4px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(32, 40, 32, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 40, 32, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body[data-language="hi"] {
  font-family: "Anek Devanagari", "DM Sans", sans-serif;
  line-height: 1.7;
}

body[data-language="hi"] h1,
body[data-language="hi"] h2,
body[data-language="hi"] h3 {
  font-family: "Anek Devanagari", var(--display);
  line-height: 1.18;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

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

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

::selection {
  color: var(--ink);
  background: var(--saffron-light);
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 999;
  padding: 10px 14px;
  color: var(--paper-light);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  padding: 10px max(24px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--ink);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  text-decoration: none;
  line-height: 1.1;
}

.wordmark-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--ink);
  color: var(--paper-light);
  background: var(--vermilion);
  font-family: "Anek Devanagari", sans-serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  transform: rotate(-3deg);
}

.wordmark strong,
.wordmark small {
  display: block;
}

.wordmark strong {
  font-family: var(--display);
  font-size: 20px;
  letter-spacing: -0.01em;
}

.wordmark small {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  font-weight: 700;
}

.header-nav a,
.footer-links a,
.text-link {
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  text-decoration-color: var(--vermilion);
}

.header-nav a {
  text-decoration: none;
}

.header-nav a:hover {
  color: var(--vermilion-dark);
  text-decoration: underline;
  text-decoration-color: var(--vermilion);
}

.language-switch {
  justify-self: end;
  display: inline-flex;
  border: 1px solid var(--ink);
  background: var(--paper-light);
}

.language-switch button {
  min-width: 48px;
  padding: 6px 10px;
  border: 0;
  color: var(--ink);
  background: transparent;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.language-switch button + button {
  border-left: 1px solid var(--ink);
}

.language-switch button[aria-pressed="true"] {
  color: var(--paper-light);
  background: var(--ink);
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
  min-height: 690px;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(64px, 8vw, 110px) 24px 80px;
}

.eyebrow,
.section-kicker,
.origin-label,
.freshness-label,
.recipe-tag,
.rule-label,
.evidence-tag {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--green);
}

.eyebrow-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px var(--green-light);
}

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

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 650;
}

h1 {
  max-width: 750px;
  margin-bottom: 24px;
  font-size: clamp(52px, 6.2vw, 86px);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.hero-lede {
  max-width: 610px;
  margin-bottom: 32px;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  min-height: 54px;
  padding: 13px 18px;
  border: 1px solid var(--ink);
  font-weight: 700;
  text-decoration: none;
  transition: box-shadow 160ms ease, transform 160ms ease, background 160ms ease;
}

.button-primary {
  color: var(--paper-light);
  background: var(--vermilion);
  box-shadow: 5px 5px 0 var(--ink);
}

.button-primary:hover {
  background: var(--vermilion-dark);
  box-shadow: 2px 2px 0 var(--ink);
  transform: translate(3px, 3px);
}

.text-link {
  font-weight: 700;
}

.audience-note {
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  width: min(100%, 450px);
  justify-self: end;
  padding: 55px 0 10px 20px;
}

.folder-tab {
  position: absolute;
  top: 38px;
  left: 21px;
  width: 155px;
  height: 50px;
  border: 1px solid var(--ink);
  border-bottom: 0;
  background: var(--saffron);
  transform: skew(-15deg);
}

.folder-card {
  position: relative;
  z-index: 2;
  padding: 22px;
  border: 1px solid var(--ink);
  background: var(--saffron-light);
  box-shadow: var(--shadow-hard);
  transform: rotate(1.4deg);
}

.folder-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
}

.status-pill {
  padding: 2px 9px;
  border: 1px solid var(--green);
  border-radius: 999px;
  color: var(--green);
  font-family: var(--body);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.file-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: center;
  padding: 12px 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 20%, transparent);
}

.file-row-main {
  background: color-mix(in srgb, var(--paper-light) 58%, transparent);
}

.file-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--paper-light);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.file-row strong,
.file-row small {
  display: block;
}

.file-row strong {
  font-family: var(--mono);
  font-size: 14px;
}

.file-row small {
  margin-top: 1px;
  color: var(--ink-soft);
  font-size: 11px;
}

.stamp {
  position: absolute;
  top: 0;
  right: -20px;
  z-index: 3;
  padding: 7px 12px 4px;
  border: 3px double var(--vermilion);
  color: var(--vermilion);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.1em;
  transform: rotate(8deg);
}

.visual-caption {
  max-width: 340px;
  margin: 25px auto 0;
  color: var(--ink-soft);
  font-family: var(--display);
  font-size: 16px;
  font-style: italic;
  text-align: center;
}

.freshness-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto 110px;
  padding: 18px 24px;
  border: 1px solid var(--ink);
  background: var(--paper-light);
  box-shadow: 4px 4px 0 var(--line);
}

.freshness-label {
  padding: 5px 9px;
  color: var(--paper-light);
  background: var(--ink);
  white-space: nowrap;
}

.freshness-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}

.definition-band {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(40px, 8vw, 120px);
  padding: 90px max(24px, calc((100vw - var(--max)) / 2));
  color: var(--paper-light);
  background: var(--green);
}

.section-kicker {
  margin-bottom: 10px;
  color: var(--vermilion);
}

.definition-band .section-kicker {
  color: var(--saffron);
}

.definition-band h2,
.section-heading h2,
.lesson h2,
.checklist-section h2,
.next-step h2,
.sources h2 {
  margin-bottom: 0;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.definition-copy > p {
  margin-bottom: 25px;
  font-family: var(--display);
  font-size: clamp(22px, 2.7vw, 31px);
  line-height: 1.35;
}

.fact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding-top: 18px;
  border-top: 1px solid color-mix(in srgb, var(--paper-light) 35%, transparent);
  font-size: 14px;
}

.fact-line strong {
  color: var(--saffron-light);
}

.learning-path,
.field-notes,
.sources {
  max-width: var(--max);
  margin: 0 auto;
  padding: 120px 24px;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 70px;
}

.section-heading > p {
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-size: 16px;
}

.trail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

.trail::before {
  content: "";
  position: absolute;
  top: -7px;
  right: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--vermilion);
}

.trail-stop {
  position: relative;
  min-height: 285px;
  padding: 45px 24px 30px;
  border-right: 1px solid var(--line);
}

.trail-stop:first-child {
  padding-left: 0;
}

.trail-stop:last-child {
  border-right: 0;
}

.trail-number {
  position: absolute;
  top: -21px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.trail-stop-2 .trail-number {
  background: var(--saffron-light);
}

.trail-stop-3 .trail-number {
  color: var(--paper-light);
  background: var(--green);
}

.trail-stop-4 .trail-number {
  color: var(--paper-light);
  background: var(--vermilion);
}

.trail-time {
  margin-bottom: 18px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trail-stop h3 {
  margin-bottom: 12px;
  font-size: 25px;
  line-height: 1.1;
}

.trail-stop > div:last-child > p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
}

.lesson {
  position: relative;
  display: grid;
  grid-template-columns: minmax(100px, 0.25fr) minmax(0, 1fr);
  gap: clamp(30px, 6vw, 90px);
  max-width: var(--max);
  margin: 0 auto;
  padding: 120px 24px;
  border-top: 1px solid var(--ink);
}

.lesson-index {
  position: sticky;
  top: 110px;
  align-self: start;
  color: transparent;
  font-family: var(--display);
  font-size: clamp(70px, 9vw, 130px);
  font-weight: 700;
  line-height: 0.75;
  -webkit-text-stroke: 1px var(--line);
}

.lesson-content {
  min-width: 0;
}

.lesson h2 {
  max-width: 900px;
  margin-bottom: 24px;
}

.lesson-intro {
  max-width: 800px;
  margin-bottom: 55px;
  color: var(--ink-soft);
  font-size: 19px;
}

.disclosure-steps {
  margin: 45px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.disclosure-steps li {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 27px 0;
  border-bottom: 1px solid var(--line);
}

.step-marker {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--paper-light);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}

.disclosure-steps li:nth-child(2) .step-marker {
  background: var(--saffron-light);
}

.disclosure-steps li:nth-child(3) .step-marker {
  color: var(--paper-light);
  background: var(--green);
}

.disclosure-steps h3 {
  margin: 0 0 3px;
  font-size: 28px;
}

.disclosure-steps p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.disclosure-steps code {
  padding: 6px 9px;
  border: 1px solid var(--line);
  background: var(--paper-light);
  font-family: var(--mono);
  font-size: 12px;
}

.practical-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  max-width: 760px;
  margin: 45px 0 0 auto;
  padding: 26px 30px;
  border: 1px solid var(--ink);
  background: var(--saffron-light);
  box-shadow: 5px 5px 0 var(--ink);
  transform: rotate(-0.5deg);
}

.note-pin {
  color: var(--vermilion);
  font-size: 24px;
}

.practical-note strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--display);
  font-size: 23px;
}

.practical-note p {
  margin: 0;
  font-size: 14px;
}

.anatomy-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 55px;
  margin-top: 55px;
}

.tree-panel {
  align-self: start;
  border: 1px solid var(--ink);
  color: var(--paper-light);
  background: var(--ink);
  box-shadow: 7px 7px 0 var(--green);
}

.tree-heading,
.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid color-mix(in srgb, var(--paper-light) 25%, transparent);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.tree-panel pre,
.code-window pre {
  margin: 0;
  overflow-x: auto;
  font-family: var(--mono);
  line-height: 1.75;
}

.tree-panel pre {
  padding: 26px 22px;
  font-size: 13px;
}

.tree-panel b {
  color: var(--saffron);
  font-weight: 500;
}

.tree-panel i {
  color: #a9c3ad;
  font-style: normal;
}

.anatomy-rules {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.anatomy-rules article {
  min-height: 205px;
  padding: 22px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: color-mix(in srgb, var(--paper-light) 45%, transparent);
}

.rule-label {
  display: inline-block;
  margin-bottom: 18px;
  padding: 2px 6px;
  color: var(--green);
  background: var(--green-light);
  font-size: 9px;
}

.anatomy-rules h3 {
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 17px;
}

.anatomy-rules p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.55;
}

.spec-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 65px;
  margin-bottom: 0;
  padding: 0;
  border: 1px solid var(--ink);
  background: var(--paper-light);
  list-style: none;
}

.spec-strip > li {
  padding: 22px 18px;
  border-right: 1px solid var(--ink);
}

.spec-strip > li:last-child {
  border-right: 0;
}

.spec-strip strong,
.spec-strip span {
  display: block;
}

.spec-strip strong {
  color: var(--vermilion);
  font-family: var(--display);
  font-size: 31px;
  line-height: 1;
}

.spec-strip span {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.35;
}

.source-footnote {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.origin-label {
  display: inline-block;
  margin-bottom: 22px;
  padding: 4px 8px;
  border: 1px solid var(--vermilion);
  color: var(--vermilion-dark);
  font-size: 9px;
}

.build-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 55px;
  align-items: start;
}

.build-steps > article {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.build-steps > article:last-child {
  border-bottom: 1px solid var(--line);
}

.build-step-number {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: var(--paper-light);
  background: var(--vermilion);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}

.build-steps h3 {
  margin: 0 0 7px;
  font-size: 24px;
}

.build-steps p {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-size: 13px;
}

.path-choice {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}

.path-choice code,
.prompt-chip {
  padding: 6px 8px;
  background: var(--paper-light);
  font-family: var(--mono);
  font-size: 10px;
}

.path-choice span {
  padding: 1px 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 9px;
  text-transform: uppercase;
}

.prompt-chip {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-left: 3px solid var(--green);
  white-space: nowrap;
}

.code-window {
  min-width: 0;
  border: 1px solid var(--ink);
  color: #edf0e9;
  background: #222820;
  box-shadow: 8px 8px 0 var(--saffron);
}

.code-toolbar {
  color: #b8c0b7;
  background: #171b16;
}

.copy-button {
  padding: 4px 9px;
  border: 1px solid #7d8a7b;
  color: #edf0e9;
  background: transparent;
  font-size: 10px;
  cursor: pointer;
}

.copy-button:hover {
  color: var(--ink);
  background: var(--saffron);
}

.code-window pre {
  max-height: 650px;
  padding: 24px;
  font-size: 12px;
}

.description-lab {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 40px;
  align-items: center;
  margin-top: 70px;
  padding: 32px;
  border: 1px dashed var(--ink);
  background: color-mix(in srgb, var(--green-light) 58%, transparent);
}

.description-lab h3 {
  margin: 0;
  font-size: 30px;
}

.description-lab ol {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.description-lab li {
  min-height: 110px;
  padding: 15px;
  border: 1px solid var(--ink);
  background: var(--paper-light);
}

.description-lab strong,
.description-lab span {
  display: block;
}

.description-lab strong {
  margin-bottom: 20px;
  color: var(--vermilion);
  font-family: var(--mono);
  font-size: 10px;
}

.description-lab span {
  font-size: 12px;
  line-height: 1.45;
}

.test-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-top: 55px;
}

.test-card {
  padding: 28px;
  border: 1px solid var(--ink);
}

.trigger-card {
  background: var(--paper-light);
  box-shadow: 6px 6px 0 var(--vermilion);
}

.output-card {
  background: var(--green-light);
  box-shadow: 6px 6px 0 var(--green);
}

.test-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.test-icon {
  font-size: 20px;
}

.test-card h3 {
  margin-bottom: 12px;
  font-size: 31px;
}

.test-card > p {
  color: var(--ink-soft);
  font-size: 14px;
}

.query {
  margin-top: 18px;
  padding: 15px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.query span {
  display: block;
  width: max-content;
  margin-bottom: 9px;
  padding: 2px 7px;
  color: var(--paper-light);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.query-positive span {
  background: var(--green);
}

.query-negative span {
  background: var(--vermilion);
}

.query q {
  display: block;
  font-size: 12px;
  line-height: 1.5;
}

.assertion-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.assertion-list li {
  position: relative;
  padding: 12px 0 12px 32px;
  border-top: 1px solid color-mix(in srgb, var(--ink) 25%, transparent);
  font-size: 13px;
}

.assertion-list li::before {
  content: "✓";
  position: absolute;
  top: 11px;
  left: 2px;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border: 1px solid var(--green);
  border-radius: 50%;
  color: var(--green);
  font-size: 10px;
}

.eval-recipe {
  margin-top: 70px;
  padding-top: 30px;
  border-top: 2px solid var(--ink);
}

.eval-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}

.eval-title h3 {
  margin: 0;
  font-size: 30px;
}

.recipe-tag {
  padding: 4px 8px;
  color: var(--ink);
  background: var(--saffron);
  font-size: 9px;
}

.eval-recipe ol {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 25px 0 10px;
  padding: 0;
  list-style: none;
  border: 1px solid var(--ink);
}

.eval-recipe li {
  padding: 20px;
  border-right: 1px solid var(--ink);
}

.eval-recipe li:last-child {
  border-right: 0;
}

.eval-recipe strong,
.eval-recipe li span {
  display: block;
}

.eval-recipe strong {
  color: var(--vermilion);
  font-family: var(--display);
  font-size: 28px;
}

.eval-recipe li span {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.35;
}

.eval-recipe > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.field-notes {
  border-top: 1px solid var(--ink);
}

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

.notes-grid details {
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: color-mix(in srgb, var(--paper-light) 45%, transparent);
}

.notes-grid summary {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: center;
  min-height: 86px;
  padding: 20px;
  cursor: pointer;
  list-style: none;
}

.notes-grid summary::-webkit-details-marker {
  display: none;
}

.notes-grid summary > span {
  color: var(--vermilion);
  font-family: var(--mono);
  font-size: 11px;
}

.notes-grid summary strong {
  position: relative;
  padding-right: 32px;
  font-family: var(--display);
  font-size: 21px;
  line-height: 1.2;
}

.notes-grid summary strong::after {
  content: "+";
  position: absolute;
  top: 0;
  right: 0;
  font-family: var(--body);
  font-size: 22px;
  font-weight: 400;
}

.notes-grid details[open] summary strong::after {
  content: "−";
}

.notes-grid details[open] summary {
  border-bottom: 1px dashed var(--line);
  background: var(--saffron-light);
}

.details-body {
  padding: 20px 22px 24px 68px;
}

.details-body p {
  color: var(--ink-soft);
  font-size: 13px;
}

.evidence-tag {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--green);
  color: var(--green);
  font-size: 8px;
}

.evidence-editorial {
  border-color: var(--blue);
  color: var(--blue);
}

.checklist-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(45px, 8vw, 120px);
  padding: 100px max(24px, calc((100vw - var(--max)) / 2));
  color: var(--paper-light);
  background: var(--ink);
}

.checklist-section .section-kicker {
  color: var(--saffron);
}

.checklist-intro > p:not(.section-kicker) {
  margin-top: 22px;
  color: #b9c0b6;
  font-size: 14px;
}

.progress-block {
  margin-top: 36px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.progress-track {
  height: 8px;
  border: 1px solid #899086;
  background: #343c33;
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--saffron);
  transition: width 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.checklist {
  border-top: 1px solid #6f786d;
}

.checklist label {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 14px;
  align-items: center;
  min-height: 64px;
  padding: 12px 5px;
  border-bottom: 1px solid #6f786d;
  color: #e0e4dc;
  cursor: pointer;
}

.checklist input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.custom-check {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid #c2c9bf;
}

.checklist input:focus-visible + .custom-check {
  outline: 3px solid var(--saffron);
  outline-offset: 4px;
}

.checklist input:checked + .custom-check {
  border-color: var(--saffron);
  background: var(--saffron);
}

.checklist input:checked + .custom-check::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.checklist input:checked ~ span:last-child {
  color: #98a095;
  text-decoration: line-through;
}

.next-step {
  display: grid;
  grid-template-columns: auto 1fr 0.8fr;
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
  padding: 120px 24px;
}

.next-step-mark {
  color: var(--vermilion);
  font-family: var(--display);
  font-size: 75px;
  line-height: 1;
}

.next-step > div:nth-child(2) p:last-child {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.roadmap {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.roadmap > li {
  display: grid;
  grid-template-columns: 35px 1fr auto;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ink);
  font-weight: 700;
}

.roadmap b {
  color: var(--vermilion);
  font-family: var(--mono);
  font-size: 11px;
}

.roadmap small {
  align-self: center;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 500;
}

.roadmap-current {
  background: linear-gradient(90deg, var(--saffron-light), transparent);
}

.sources {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(45px, 8vw, 110px);
  max-width: none;
  padding-right: max(24px, calc((100vw - var(--max)) / 2));
  padding-left: max(24px, calc((100vw - var(--max)) / 2));
  border-top: 1px solid var(--ink);
  background: var(--paper-light);
}

.sources-heading > p:last-child {
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.source-list {
  border-top: 1px solid var(--ink);
}

.source-list a {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 15px;
  align-items: center;
  min-height: 88px;
  padding: 14px 8px;
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
  transition: background 160ms ease, padding 160ms ease;
}

.source-list a:hover {
  padding-right: 16px;
  padding-left: 16px;
  background: var(--saffron-light);
}

.source-number {
  color: var(--vermilion);
  font-family: var(--mono);
  font-size: 11px;
}

.source-list strong,
.source-list small {
  display: block;
}

.source-list strong {
  font-family: var(--display);
  font-size: 20px;
}

.source-list small {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 11px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 40px max(24px, calc((100vw - var(--max)) / 2));
  border-top: 1px solid var(--ink);
  background: var(--paper-deep);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand p {
  margin: 0;
  line-height: 1.3;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand span {
  margin-top: 3px;
  color: var(--ink-soft);
  font-size: 11px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 12px;
  font-weight: 700;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 200;
  padding: 10px 15px;
  border: 1px solid var(--ink);
  color: var(--paper-light);
  background: var(--green);
  box-shadow: 4px 4px 0 var(--ink);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .header-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual {
    width: min(90%, 500px);
    justify-self: center;
  }

  .freshness-note {
    margin-right: 24px;
    margin-left: 24px;
  }

  .trail {
    grid-template-columns: 1fr 1fr;
    border-left: 1px solid var(--line);
  }

  .trail-stop,
  .trail-stop:first-child {
    padding-left: 24px;
    border-bottom: 1px solid var(--line);
  }

  .trail-stop:nth-child(2) {
    border-right: 0;
  }

  .trail-stop:nth-child(n+3) .trail-number {
    top: auto;
  }

  .anatomy-layout,
  .build-grid,
  .sources {
    grid-template-columns: 1fr;
  }

  .tree-panel {
    max-width: 620px;
  }

  .next-step {
    grid-template-columns: auto 1fr;
  }

  .roadmap {
    grid-column: 2;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .site-header {
    min-height: 66px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .wordmark-mark {
    width: 36px;
    height: 36px;
    font-size: 22px;
  }

  .wordmark strong {
    font-size: 17px;
  }

  .wordmark small {
    display: none;
  }

  .language-switch button {
    min-width: 42px;
    padding: 5px 7px;
    font-size: 11px;
  }

  .hero {
    gap: 45px;
    padding: 58px 18px 70px;
  }

  h1 {
    font-size: clamp(44px, 15vw, 64px);
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-visual {
    width: calc(100% - 18px);
    padding-left: 0;
  }

  .folder-tab {
    left: 1px;
  }

  .stamp {
    right: -7px;
  }

  .freshness-note {
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 0 18px 75px;
  }

  .freshness-label {
    width: max-content;
  }

  .definition-band,
  .checklist-section {
    grid-template-columns: 1fr;
    padding: 70px 20px;
  }

  .learning-path,
  .field-notes,
  .sources {
    padding: 85px 18px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 50px;
  }

  .trail {
    grid-template-columns: 1fr;
    border-top: 0;
  }

  .trail::before {
    display: none;
  }

  .trail-stop,
  .trail-stop:first-child {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 15px;
    min-height: 0;
    padding: 26px 0;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .trail-number,
  .trail-stop:nth-child(n+3) .trail-number {
    position: static;
  }

  .trail-time {
    margin-bottom: 9px;
  }

  .lesson {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 85px 18px;
  }

  .lesson-index {
    position: static;
    font-size: 62px;
  }

  .disclosure-steps li {
    grid-template-columns: 42px 1fr;
  }

  .disclosure-steps code {
    grid-column: 2;
    width: max-content;
  }

  .practical-note {
    margin-right: 5px;
  }

  .anatomy-rules,
  .spec-strip,
  .description-lab,
  .test-columns,
  .notes-grid,
  .eval-recipe ol {
    grid-template-columns: 1fr;
  }

  .anatomy-rules article {
    min-height: 0;
  }

  .spec-strip > li,
  .eval-recipe li {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .spec-strip > li:last-child,
  .eval-recipe li:last-child {
    border-bottom: 0;
  }

  .description-lab {
    padding: 24px;
  }

  .description-lab ol {
    grid-template-columns: 1fr;
  }

  .description-lab li {
    min-height: 0;
  }

  .description-lab strong {
    margin-bottom: 8px;
  }

  .eval-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .details-body {
    padding-left: 20px;
  }

  .next-step {
    grid-template-columns: 1fr;
    padding: 85px 18px;
  }

  .next-step-mark {
    font-size: 55px;
  }

  .roadmap {
    grid-column: 1;
  }

  .source-list a {
    grid-template-columns: 28px 1fr auto;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 35px 18px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .checklist-section,
  .site-footer,
  .toast {
    display: none;
  }

  body {
    background: #fff;
  }

  .hero,
  .lesson,
  .learning-path,
  .field-notes,
  .sources {
    max-width: none;
    padding: 40px 0;
  }

  .folder-card,
  .tree-panel,
  .code-window,
  .test-card,
  .practical-note {
    box-shadow: none;
  }
}