:root {
  color-scheme: light;
  --ink: #071321;
  --ink-soft: #10263a;
  --paper: #f7f9fc;
  --white: #ffffff;
  --mist: #e7edf3;
  --line: #cbd7e2;
  --muted: #52677a;
  --cyan: #1fcbd1;
  --cyan-dark: #087f87;
  --cyan-pale: #dff9fa;
  --amber: #ffbd59;
  --amber-dark: #8d5800;
  --rose: #f26d7d;
  --green: #2a9d75;
  --shadow: 0 20px 55px rgba(7, 19, 33, 0.12);
  --radius-sm: 0.5rem;
  --radius: 1rem;
  --radius-lg: 1.75rem;
  --content: 74rem;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.17em;
}

button,
input,
select {
  font: inherit;
}

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

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

.skip-link {
  background: var(--amber);
  color: var(--ink);
  font-weight: 800;
  left: 1rem;
  padding: 0.65rem 1rem;
  position: fixed;
  top: -5rem;
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

.shell {
  margin: 0 auto;
  max-width: var(--content);
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.site-header {
  backdrop-filter: blur(18px);
  background: rgba(7, 19, 33, 0.94);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  align-items: center;
  display: flex;
  min-height: 4.5rem;
  position: relative;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  border: 1px solid rgba(31, 203, 209, 0.75);
  border-radius: 50%;
  display: inline-flex;
  height: 2.25rem;
  justify-content: center;
  position: relative;
  width: 2.25rem;
}

.brand-mark::before,
.brand-mark::after {
  border: 1px solid rgba(255, 189, 89, 0.85);
  border-radius: 50%;
  content: "";
  position: absolute;
}

.brand-mark::before {
  height: 0.8rem;
  width: 0.8rem;
}

.brand-mark::after {
  border-color: var(--cyan);
  height: 0.28rem;
  width: 0.28rem;
}

.brand-name {
  font-size: 0.95rem;
  font-weight: 850;
  letter-spacing: 0.18em;
}

.brand-context {
  color: #9fb3c4;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.access-badge {
  background: rgba(31, 203, 209, 0.1);
  border: 1px solid rgba(31, 203, 209, 0.38);
  border-radius: 999px;
  color: #8becef;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-left: 1rem;
  padding: 0.28rem 0.55rem;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 0.2rem;
  margin-left: auto;
}

.site-nav a {
  border-radius: 999px;
  color: #c4d2de;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.55rem 0.8rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.09);
  color: var(--white);
}

.site-nav .reference-link {
  border: 1px solid rgba(31, 203, 209, 0.5);
  color: var(--cyan);
  margin-left: 0.35rem;
}

.menu-button {
  align-items: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-sm);
  color: var(--white);
  display: none;
  height: 2.75rem;
  justify-content: center;
  margin-left: auto;
  width: 2.75rem;
}

.menu-button span,
.menu-button span::before,
.menu-button span::after {
  background: currentColor;
  content: "";
  display: block;
  height: 2px;
  position: relative;
  width: 1.15rem;
}

.menu-button span::before {
  position: absolute;
  top: -0.38rem;
}

.menu-button span::after {
  position: absolute;
  top: 0.38rem;
}

.hero {
  background:
    radial-gradient(circle at 78% 18%, rgba(31, 203, 209, 0.2), transparent 24rem),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--ink);
  background-size: auto, 2.5rem 2.5rem, 2.5rem 2.5rem, auto;
  color: var(--white);
  overflow: hidden;
  padding: clamp(4rem, 9vw, 7.5rem) 0 clamp(3.5rem, 8vw, 6rem);
  position: relative;
}

.hero-grid {
  align-items: end;
  display: grid;
  gap: clamp(2.5rem, 6vw, 6rem);
  grid-template-columns: minmax(0, 1.25fr) minmax(17rem, 0.75fr);
}

.eyebrow {
  align-items: center;
  color: var(--cyan-dark);
  display: flex;
  font-size: 0.76rem;
  font-weight: 850;
  gap: 0.55rem;
  letter-spacing: 0.14em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

.hero .eyebrow,
.dark-panel .eyebrow,
.page-lead .eyebrow {
  color: var(--cyan);
}

.eyebrow::before {
  background: currentColor;
  content: "";
  height: 2px;
  width: 1.9rem;
}

.hero h1,
.page-lead h1 {
  font-size: clamp(2.8rem, 7vw, 6.25rem);
  font-weight: 780;
  letter-spacing: -0.065em;
  line-height: 0.96;
  margin: 0;
  max-width: 12ch;
}

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

.hero-copy {
  color: #c7d4df;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  margin: 1.6rem 0 0;
  max-width: 42rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.92rem;
  font-weight: 800;
  gap: 0.55rem;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.15rem;
  text-decoration: none;
}

.button-primary {
  background: var(--cyan);
  color: var(--ink);
}

.button-primary:hover {
  background: #72eff2;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.button-dark {
  background: var(--ink);
  color: var(--white);
}

.button-small {
  min-height: 2.5rem;
  padding: 0.5rem 0.9rem;
}

.hero-ledger {
  border-left: 1px solid rgba(255, 255, 255, 0.18);
  display: grid;
  gap: 0;
  margin: 0;
}

.hero-ledger div {
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  padding: 1rem 0 1rem 1.25rem;
}

.hero-ledger dt {
  color: #8fa5b8;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero-ledger dd {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  margin: 0.3rem 0 0;
}

.status-line {
  background: var(--amber);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 750;
  padding: 0.62rem 0;
}

.status-line .shell {
  align-items: center;
  display: flex;
  gap: 0.7rem;
}

.status-line strong {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-compact {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-dark {
  background: var(--ink);
  color: var(--white);
}

.section-tint {
  background: #eaf1f6;
}

.section-heading {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 0.8fr) minmax(18rem, 1.2fr);
  margin-bottom: 2.5rem;
}

.section-heading h2,
.prose-heading h2 {
  font-size: clamp(2rem, 4.5vw, 3.65rem);
  letter-spacing: -0.045em;
  line-height: 1.02;
  margin: 0;
}

.section-heading p,
.prose-heading p {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0;
  max-width: 43rem;
}

.section-dark .section-heading p,
.dark-panel p,
.dark-panel li {
  color: #b9c9d6;
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 2.5vw, 1.8rem);
}

.card-number {
  color: var(--cyan-dark);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
}

.card h3 {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 1rem 0 0.65rem;
}

.card p {
  color: var(--muted);
  margin: 0;
}

.tabs {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.tab-list {
  background: #edf3f7;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 0;
  padding: 0.45rem;
}

.tab-button {
  background: transparent;
  border: 0;
  border-radius: 0.7rem;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 0.7rem 1rem;
}

.tab-button[aria-selected="true"] {
  background: var(--white);
  box-shadow: 0 2px 8px rgba(7, 19, 33, 0.08);
  color: var(--ink);
}

.tab-panel {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr 1fr;
  min-height: 20rem;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel h3 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 0 0 1rem;
}

.tab-panel p {
  color: var(--muted);
}

.mini-stack {
  align-self: center;
  display: grid;
  gap: 0.5rem;
}

.mini-node {
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  display: flex;
  justify-content: space-between;
  padding: 0.8rem 1rem;
}

.mini-node strong {
  font-size: 0.92rem;
}

.mini-node span {
  color: var(--muted);
  font-size: 0.78rem;
}

.mini-node-accent {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.mini-node-accent span {
  color: var(--cyan);
}

.mini-arrow {
  color: var(--cyan-dark);
  font-family: var(--font-mono);
  font-weight: 900;
  text-align: center;
}

.journey {
  counter-reset: journey;
  display: grid;
  gap: 0;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.journey-step {
  border-left: 1px solid var(--line);
  counter-increment: journey;
  min-height: 13rem;
  padding: 1.2rem;
  position: relative;
}

.journey-step::before {
  color: var(--cyan-dark);
  content: "0" counter(journey);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 900;
  margin-bottom: 2.75rem;
}

.journey-step h3 {
  font-size: 1.08rem;
  line-height: 1.25;
  margin: 0 0 0.55rem;
}

.journey-step p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

.component-strip {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.component-strip-light {
  color: var(--ink);
}

.component-chip {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.component-chip strong {
  color: var(--white);
  display: block;
}

.component-chip span {
  color: #9fb3c4;
  font-size: 0.82rem;
}

.page-lead {
  background:
    radial-gradient(circle at 85% 20%, rgba(31, 203, 209, 0.22), transparent 25rem),
    var(--ink);
  color: var(--white);
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.page-lead h1 {
  font-size: clamp(2.7rem, 6vw, 5rem);
  max-width: 15ch;
}

.page-lead p {
  color: #c3d0dc;
  font-size: 1.16rem;
  margin: 1.4rem 0 0;
  max-width: 44rem;
}

.breadcrumb {
  color: #9fb3c4;
  font-size: 0.82rem;
  margin-bottom: 2rem;
}

.breadcrumb a {
  color: var(--cyan);
}

.architecture-map {
  background:
    linear-gradient(rgba(7, 19, 33, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 19, 33, 0.04) 1px, transparent 1px),
    var(--white);
  background-size: 2rem 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 4vw, 3rem);
}

.map-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.map-node {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  box-shadow: 0 8px 24px rgba(7, 19, 33, 0.08);
  min-width: 12rem;
  padding: 0.9rem 1rem;
  text-align: center;
}

.map-node strong {
  display: block;
}

.map-node span {
  color: var(--muted);
  font-size: 0.78rem;
}

.map-node-soval {
  background: var(--cyan);
  border-color: var(--cyan-dark);
}

.map-node-katra {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
  min-width: min(100%, 30rem);
}

.map-node-katra span {
  color: #a9bfce;
}

.map-node-boundary {
  background: #fff5df;
  border-color: #e5bf78;
}

.map-arrow {
  color: var(--cyan-dark);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 900;
  padding: 0.65rem;
  text-align: center;
}

.two-column {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dark-panel {
  background: var(--ink);
  border-radius: var(--radius);
  color: var(--white);
  padding: clamp(1.4rem, 3vw, 2rem);
}

.dark-panel h2,
.dark-panel h3 {
  margin-top: 0;
}

.callout {
  background: var(--cyan-pale);
  border-left: 0.32rem solid var(--cyan-dark);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.25rem;
}

.callout-amber {
  background: #fff4dc;
  border-left-color: var(--amber-dark);
}

.callout p {
  margin: 0;
}

.spaced-callout {
  margin-top: 1.25rem;
}

.component-directory {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.component-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 1rem;
  grid-template-columns: 5rem 1fr;
  padding: 1.25rem;
}

.component-code {
  color: var(--cyan-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  padding-top: 0.2rem;
}

.component-card h3 {
  margin: 0 0 0.4rem;
}

.component-card p {
  color: var(--muted);
  margin: 0;
}

.flow-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
}

.flow-list li {
  align-items: start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 2.2rem 1fr auto;
  list-style: none;
  padding: 1rem;
}

.flow-list .step-index {
  align-items: center;
  background: var(--ink);
  border-radius: 50%;
  color: var(--cyan);
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 850;
  height: 2.2rem;
  justify-content: center;
  width: 2.2rem;
}

.flow-list strong {
  display: block;
}

.flow-list p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0.2rem 0 0;
}

.state-tag {
  align-self: center;
  background: var(--mist);
  border-radius: 999px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.35rem 0.6rem;
  white-space: nowrap;
}

.state-tag-withhold {
  background: #ffe5e9;
  color: #8c2635;
}

.state-tag-verify {
  background: #dff6ec;
  color: #13654b;
}

.scenario-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.scenario {
  background: var(--ink-soft);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 1.4rem;
}

.scenario h3 {
  color: var(--white);
  margin: 0 0 0.7rem;
}

.scenario p {
  color: #b9c9d6;
  margin: 0;
}

.scenario .route {
  color: var(--cyan);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  margin-top: 1rem;
}

.reference-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(13rem, 0.28fr) minmax(0, 0.72fr);
}

.reference-nav {
  align-self: start;
  position: sticky;
  top: 6rem;
}

.reference-nav h2 {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.reference-nav a {
  border-left: 2px solid var(--line);
  color: var(--muted);
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.45rem 0 0.45rem 0.8rem;
  text-decoration: none;
}

.reference-nav a:hover {
  border-left-color: var(--cyan-dark);
  color: var(--ink);
}

.reference-section {
  border-bottom: 1px solid var(--line);
  padding: 0 0 4rem;
  scroll-margin-top: 6rem;
}

.reference-section + .reference-section {
  padding-top: 4rem;
}

.reference-section h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.7rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin: 0 0 1rem;
}

.north-star {
  background: var(--ink);
  border-radius: var(--radius-lg);
  color: var(--white);
  padding: clamp(1.5rem, 4vw, 3rem);
}

.north-star blockquote {
  border-left: 0.3rem solid var(--cyan);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 680;
  line-height: 1.35;
  margin: 1.5rem 0 0;
  padding-left: 1.2rem;
}

.reference-ledger {
  background: var(--ink);
  border-radius: var(--radius);
  color: var(--white);
  margin-top: 1rem;
  padding: 0 1rem;
}

.not-found {
  align-items: center;
  display: grid;
  min-height: 100vh;
}

.rule-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rule {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.rule strong {
  display: block;
  margin-bottom: 0.3rem;
}

.rule span {
  color: var(--muted);
  font-size: 0.9rem;
}

.decision-table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
}

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

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 0.8rem 1rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: #edf3f7;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

td {
  font-size: 0.9rem;
}

tr:last-child td {
  border-bottom: 0;
}

.manifest-summary {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 1.5rem 0;
}

.metric {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.metric strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
}

.metric span {
  color: var(--muted);
  font-size: 0.78rem;
}

.manifest-controls {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(12rem, 1.4fr) minmax(10rem, 1fr) minmax(10rem, 1fr);
  margin: 1.5rem 0 0.8rem;
}

.field label {
  display: block;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.field input,
.field select {
  background: var(--white);
  border: 1px solid #9fb1c0;
  border-radius: var(--radius-sm);
  color: var(--ink);
  min-height: 2.85rem;
  padding: 0.55rem 0.75rem;
  width: 100%;
}

.results-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0.8rem 0;
}

.results-header p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.corpus-results {
  display: grid;
  gap: 0.6rem;
}

.corpus-item {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 0.85rem 1rem;
}

.corpus-item h3 {
  font-size: 0.96rem;
  line-height: 1.3;
  margin: 0;
}

.corpus-item p {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  margin: 0.3rem 0 0;
  overflow-wrap: anywhere;
}

.corpus-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.55rem;
}

.corpus-meta span {
  background: var(--mist);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.24rem 0.48rem;
}

.source-link {
  color: var(--cyan-dark);
  font-size: 0.8rem;
  font-weight: 800;
  white-space: nowrap;
}

.load-more {
  margin-top: 1rem;
  text-align: center;
}

.glossary-grid {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.glossary-item {
  border-top: 1px solid var(--line);
  padding: 1rem 1rem 1rem 0;
}

.glossary-item dt {
  font-weight: 850;
}

.glossary-item dd {
  color: var(--muted);
  margin: 0.25rem 0 0;
}

.site-footer {
  background: #030a12;
  color: #a8bbc9;
  padding: 3rem 0;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.3fr 0.7fr;
}

.site-footer strong {
  color: var(--white);
}

.site-footer p {
  font-size: 0.88rem;
  margin: 0.5rem 0 0;
  max-width: 45rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  justify-content: flex-end;
}

.footer-links a {
  color: var(--cyan);
  font-size: 0.85rem;
}

.mono {
  font-family: var(--font-mono);
}

.muted {
  color: var(--muted);
}

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

@media (max-width: 880px) {
  .menu-button {
    display: inline-flex;
  }

  .site-nav {
    background: var(--ink);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    display: none;
    flex-direction: column;
    left: calc(clamp(1rem, 4vw, 2rem) * -1);
    padding: 0.75rem clamp(1rem, 4vw, 2rem) 1rem;
    position: absolute;
    right: calc(clamp(1rem, 4vw, 2rem) * -1);
    top: 100%;
  }

  .site-nav[data-open="true"] {
    align-items: stretch;
    display: flex;
  }

  .site-nav a {
    border-radius: var(--radius-sm);
    padding: 0.75rem;
  }

  .site-nav .reference-link {
    margin-left: 0;
  }

  .hero-grid,
  .section-heading,
  .tab-panel,
  .footer-grid,
  .reference-layout {
    grid-template-columns: 1fr;
  }

  .hero-ledger {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-ledger div {
    padding-left: 0;
    padding-right: 1rem;
  }

  .card-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

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

  .component-strip,
  .manifest-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .reference-nav {
    position: static;
  }

  .reference-nav div {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .reference-nav a {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.35rem 0.65rem;
  }
}

@media (max-width: 620px) {
  .brand-context {
    display: none;
  }

  .access-badge {
    margin-left: 0.65rem;
  }

  .hero h1,
  .page-lead h1 {
    letter-spacing: -0.05em;
  }

  .hero-ledger,
  .two-column,
  .component-directory,
  .rule-grid,
  .glossary-grid,
  .journey,
  .component-strip,
  .manifest-summary,
  .manifest-controls {
    grid-template-columns: 1fr;
  }

  .tab-list {
    flex-direction: column;
  }

  .tab-button {
    text-align: left;
  }

  .component-card {
    grid-template-columns: 1fr;
  }

  .flow-list li {
    grid-template-columns: 2.2rem 1fr;
  }

  .flow-list .state-tag {
    grid-column: 2;
    justify-self: start;
  }

  .corpus-item {
    grid-template-columns: 1fr;
  }

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

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

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

@media print {
  .site-header,
  .menu-button,
  .hero-actions,
  .manifest-controls,
  .load-more,
  .reference-nav {
    display: none !important;
  }

  body,
  .hero,
  .page-lead,
  .section-dark,
  .dark-panel,
  .north-star {
    background: white !important;
    color: black !important;
  }

  .section,
  .page-lead {
    padding-block: 1.5rem;
  }

  a {
    text-decoration: none;
  }
}

/* Allow the new Stories destination to fit the shared navigation. */
@media (min-width: 881px) {
  .header-inner { flex-wrap: wrap; gap: .25rem .75rem; padding-block: .65rem; }
  .site-nav { flex-wrap: wrap; }
  .brand-context { display: none; }
}
.site-nav a { min-height: 2.75rem; display: inline-flex; align-items: center; }