:root {
  color-scheme: light;
  --paper: #f2efe7;
  --paper-deep: #e7e2d8;
  --paper-dark: #d8d1c4;
  --ink: #171612;
  --ink-soft: #3f3c35;
  --muted: #625e55;
  --rule: #24221d;
  --rule-soft: #c8c1b5;
  --oxide: #963a2d;
  --green: #255b43;
  --amber: #77531a;
  --warning: #893329;
  --max: 1180px;
  --reading: 820px;
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--oxide);
}

button {
  font: inherit;
}

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

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

pre {
  margin: 0;
}

.container {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 14px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  transform: translateY(-170%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
}

.header-inner {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: -0.04em;
}

.brand-version {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  margin-left: 2px;
  padding-left: 11px;
  border-left: 1px solid var(--rule-soft);
  color: var(--oxide);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 3px;
}

.nav-link {
  display: inline-flex;
  min-height: 67px;
  align-items: center;
  padding: 0 12px;
  border-bottom: 2px solid transparent;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  border-bottom-color: var(--oxide);
  color: var(--ink);
}

.nav-cta,
.nav-cta:hover {
  min-height: 42px;
  margin-left: 8px;
  padding-inline: 14px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.nav-cta[aria-current="page"],
.nav-cta[aria-current="page"]:hover {
  border-color: var(--oxide);
  background: var(--oxide);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.menu-lines,
.menu-lines::before,
.menu-lines::after {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  content: "";
}

.menu-lines {
  position: relative;
}

.menu-lines::before {
  position: absolute;
  top: -6px;
}

.menu-lines::after {
  position: absolute;
  top: 6px;
}

/* Landing */

.hero {
  padding: clamp(68px, 7vw, 94px) 0 clamp(72px, 8vw, 104px);
  border-bottom: 1px solid var(--rule);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(460px, 0.95fr);
  gap: clamp(48px, 6vw, 80px);
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.eyebrow,
.section-tag,
.group-label {
  margin: 0;
  color: var(--oxide);
  font-size: 11.5px;
  font-weight: 750;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.hero h1,
.section-header h2,
.replay-copy h2,
.docs-hero h1,
.doc-content h1,
.doc-content h2,
.path-card h2,
.error-card h1 {
  font-family: var(--font-sans);
}

.hero h1 {
  max-width: 760px;
  margin: 16px 0 0;
  font-size: clamp(54px, 6.1vw, 80px);
  font-weight: 760;
  letter-spacing: -0.042em;
  line-height: 0.99;
  text-wrap: balance;
}

.hero h1 .same {
  color: var(--oxide);
}

.hero-lede {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.45vw, 19px);
  line-height: 1.58;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  margin: 24px 0 0;
  padding: 0;
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 700;
  list-style: none;
}

.hero-points li {
  padding: 0 14px;
  border-left: 1px solid var(--rule-soft);
}

.hero-points li:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  border-color: var(--oxide);
  color: var(--oxide);
}

.button-primary,
.button-primary:hover {
  background: var(--ink);
  color: var(--paper);
}

.button-arrow {
  font-size: 16px;
}

.release-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin: 22px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.release-line span {
  padding: 0 10px;
  border-left: 1px solid var(--rule-soft);
}

.release-line span:first-child {
  padding-left: 0;
  border-left: 0;
  color: var(--oxide);
  font-weight: 700;
}

.hero-example {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--ink);
  border-top-width: 4px;
  background: var(--ink);
}

.example-heading {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 20px;
  border-bottom: 1px solid var(--ink);
  background: var(--paper-deep);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.example-heading span:last-child {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.example-code {
  min-width: 0;
}

.example-code .code {
  min-height: 0;
  padding: 26px 22px 28px;
  font-size: 12.5px;
  line-height: 1.7;
}

.checked-output {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-top: 1px solid var(--rule);
  background: #e2e7df;
}

.checked-output span {
  color: var(--green);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.checked-output code {
  overflow-x: auto;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12.5px;
  white-space: nowrap;
}

.example-note {
  margin: 0;
  padding: 14px 20px 16px;
  border-top: 1px solid #4d493f;
  color: #c9c2b4;
  font-size: 12.5px;
}

.example-note code {
  color: #f3eee2;
  font-family: var(--font-mono);
}

.section {
  padding: clamp(72px, 8vw, 96px) 0;
  border-bottom: 1px solid var(--rule);
}

.section-compact {
  padding-block: clamp(60px, 7vw, 80px);
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.48fr);
  align-items: end;
  gap: clamp(40px, 6vw, 72px);
  margin-bottom: 48px;
}

.section-header-wide {
  grid-template-columns: 1fr;
  gap: 20px;
}

.section-header-wide > div {
  max-width: 980px;
}

.section-header-wide > p {
  max-width: 680px;
}

.section-header h2 {
  margin: 12px 0 0;
  font-size: clamp(38px, 4.3vw, 52px);
  font-weight: 750;
  letter-spacing: -0.032em;
  line-height: 1.06;
  text-wrap: balance;
}

.section-header h2 code {
  padding: 0;
  border: 0;
  color: inherit;
  font-family: var(--font-mono);
  font-size: 0.84em;
}

.section-header > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.62;
}

.fit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(40px, 6vw, 76px);
  align-items: start;
}

.fit-group {
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.fit-item {
  display: grid;
  grid-template-columns: minmax(210px, 0.72fr) minmax(0, 1fr);
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.fit-item h3,
.runtime-item h3,
.evidence-question h3,
.support-item h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.3;
}

.fit-item p,
.runtime-item p,
.support-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.62;
}

.fit-boundary {
  padding: 22px 24px 26px;
  border-top-color: var(--oxide);
  background: var(--paper-deep);
}

.boundary-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.boundary-list li {
  padding: 13px 0 13px 20px;
  border-bottom: 1px solid var(--rule-soft);
  color: var(--ink-soft);
  font-size: 15px;
}

.boundary-list li::before {
  float: left;
  margin-left: -20px;
  color: var(--oxide);
  content: "×";
}

.fit-boundary > p:last-child {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

.text-link {
  display: inline-flex;
  margin-top: 22px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.text-link:hover {
  color: var(--oxide);
}

.package-line {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  min-height: 64px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  background: var(--paper-deep);
}

.package-line > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.package-line code {
  overflow-x: auto;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: nowrap;
}

.package-line a {
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
}

.sdk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: clamp(48px, 7vw, 84px);
  margin-top: 48px;
}

.sdk-column {
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.sdk-paths {
  margin: 20px 0 0;
}

.sdk-paths > div {
  display: grid;
  grid-template-columns: minmax(160px, 0.65fr) minmax(0, 1fr);
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.sdk-paths dt,
.sdk-paths dd {
  margin: 0;
}

.sdk-paths dt {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.sdk-paths dt code {
  font-family: var(--font-mono);
}

.sdk-paths dd {
  color: var(--ink-soft);
  font-size: 15px;
}

.runtime-column {
  border-top-color: var(--oxide);
}

.runtime-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.runtime-item p {
  margin-top: 7px;
}

.evidence-list {
  border-top: 2px solid var(--ink);
}

.evidence-row {
  display: grid;
  grid-template-columns: minmax(245px, 0.72fr) minmax(390px, 1fr) minmax(210px, 0.62fr);
  gap: 32px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}

.evidence-question h3 {
  margin-top: 8px;
  font-size: 21px;
}

.evidence-question > p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

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

.timing-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
}

.timing-list > div {
  min-width: 0;
  padding: 5px 18px;
  border-left: 1px solid var(--rule-soft);
}

.timing-list > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.timing-list dt,
.timing-list dd {
  margin: 0;
}

.timing-list dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.timing-list dd {
  margin-top: 5px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

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

.evidence-takeaway {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.58;
}

.evidence-caveat {
  max-width: 900px;
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--oxide);
  color: var(--muted);
  font-size: 13.5px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.support-item {
  min-width: 0;
  padding: 26px 24px 28px;
  border-left: 1px solid var(--rule-soft);
}

.support-item:first-child {
  border-left: 0;
}

.support-primary {
  background: var(--paper-deep);
}

.support-item h3 {
  margin-top: 22px;
  font-size: 23px;
}

.support-item p {
  margin-top: 8px;
}

.status-chip,
.meta-chip {
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  padding: 0 8px;
  border: 1px solid currentColor;
  font-size: 10.5px;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-supported {
  color: var(--green);
}

.status-candidate {
  color: var(--amber);
}

.status-unsupported {
  color: var(--warning);
}

.dependency-notice {
  display: grid;
  grid-template-columns: minmax(190px, 0.35fr) minmax(0, 1fr);
  gap: 32px;
  margin-top: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.dependency-notice h3 {
  margin: 0;
  font-size: 19px;
}

.dependency-notice p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.dependency-notice code,
.doc-content code:not(pre code),
.platform-table code,
.docs-table code {
  padding: 1px 4px;
  border-bottom: 1px solid var(--oxide);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* Shared code and reference elements */

.code-toolbar {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid #514c42;
}

.code-file {
  color: #c1b9aa;
  font-family: var(--font-mono);
  font-size: 11px;
}

.copy-button {
  min-height: 40px;
  padding: 0 11px;
  border: 1px solid #7c7467;
  background: transparent;
  color: #ebe4d6;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.copy-button:hover,
.copy-button[data-copied="true"] {
  border-color: #fff8ea;
  color: #fff8ea;
}

.code {
  overflow-x: auto;
  min-height: 380px;
  padding: 26px;
  color: #f1ebdf;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-ligatures: none;
  line-height: 1.7;
  tab-size: 2;
}

.code .kw,
.code .tok-keyword {
  color: #f2a27b;
  font-weight: 650;
}

.code .type,
.code .tok-type {
  color: #8fc8ba;
}

.code .fn,
.code .tok-function {
  color: #e8cf87;
}

.code .str,
.code .tok-string {
  color: #acd094;
}

.code .tok-comment {
  color: #9d978b;
  font-style: italic;
}

.code .tok-number,
.code .tok-literal {
  color: #c8afe1;
}

.code .tok-preprocessor,
.code .tok-option {
  color: #dfbc78;
}

.code .tok-namespace,
.code .tok-variable {
  color: #8ebdd7;
}

.code code[data-highlighted] {
  color: #f1ebdf;
}

.table-wrap {
  overflow-x: auto;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.platform-table,
.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.platform-table th,
.platform-table td,
.docs-table th,
.docs-table td {
  padding: 15px 17px;
  border-bottom: 1px solid var(--rule-soft);
  text-align: left;
  vertical-align: top;
}

.platform-table tr:last-child td,
.docs-table tr:last-child td {
  border-bottom: 0;
}

.platform-table th,
.docs-table th {
  color: var(--ink);
  background: var(--paper-deep);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.platform-table td:first-child {
  color: var(--ink);
  font-weight: 700;
}

.formula {
  margin-top: 32px;
  padding: 19px 22px;
  border-top: 1px solid var(--green);
  border-bottom: 1px solid var(--green);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.6vw, 15px);
  text-align: center;
}

.replay-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(48px, 7vw, 80px);
  align-items: center;
}

.replay-copy h2 {
  margin: 0;
  font-size: clamp(38px, 4.3vw, 52px);
  font-weight: 750;
  letter-spacing: -0.032em;
  line-height: 1.06;
}

.replay-copy > p {
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 16.5px;
}

.replay-ledger {
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.replay-row {
  display: grid;
  grid-template-columns: 86px 1fr auto;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  border-bottom: 1px solid var(--rule-soft);
}

.replay-row:last-child {
  border-bottom: 0;
}

.replay-mode {
  color: var(--oxide);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.replay-path {
  color: var(--ink-soft);
  font-size: 14px;
}

.replay-proof {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: right;
}

/* Documentation */

.docs-hero {
  padding: 72px 0 58px;
  border-bottom: 1px solid var(--rule);
}

.docs-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.45fr);
  gap: 64px;
  align-items: end;
}

.docs-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(48px, 5.4vw, 64px);
  font-weight: 760;
  letter-spacing: -0.04em;
  line-height: 1.02;
  text-wrap: balance;
}

.docs-lede {
  max-width: 68ch;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.62;
}

.docs-version {
  padding: 20px 0 20px 24px;
  border-left: 1px solid var(--ink);
}

.docs-version-label,
.docs-sidebar-title,
.doc-toc strong,
.doc-next small {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.065em;
  text-transform: uppercase;
}

.docs-version-value {
  margin: 8px 0 0;
  color: var(--oxide);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}

.docs-version-detail {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.docs-paths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding-top: 52px;
}

.path-card {
  display: grid;
  min-height: 190px;
  align-content: space-between;
  padding: 20px 2px 24px;
  border-top: 2px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
}

.path-card:hover {
  border-top-color: var(--oxide);
  color: var(--ink);
}

.path-number,
.doc-label {
  color: var(--oxide);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.path-card h2 {
  margin: 36px 0 8px;
  font-size: 27px;
  font-weight: 720;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.path-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.doc-card {
  position: relative;
  min-height: 190px;
  padding: 20px 2px;
  border-top: 1px solid var(--ink);
}

.doc-card h3 {
  margin: 28px 0 10px;
  font-size: 20px;
  line-height: 1.25;
}

.doc-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.doc-card a {
  position: absolute;
  inset: 0;
  font-size: 0;
}

.doc-card::after {
  position: absolute;
  right: 2px;
  bottom: 14px;
  color: var(--muted);
  font-size: 14px;
  content: "↗";
}

.doc-card:hover {
  border-top-color: var(--oxide);
}

.docs-shell {
  display: grid;
  grid-template-columns: 228px minmax(0, var(--reading));
  gap: clamp(56px, 7vw, 104px);
  align-items: start;
  padding-block: 64px 108px;
}

.docs-sidebar {
  position: sticky;
  top: 92px;
  max-height: calc(100vh - 112px);
  overflow-y: auto;
  padding-right: 12px;
}

.docs-sidebar-title {
  margin-bottom: 12px;
}

.docs-sidebar-group {
  margin-top: 25px;
}

.docs-sidebar-group:first-child {
  margin-top: 0;
}

.docs-sidebar a {
  display: flex;
  min-height: 44px;
  align-items: center;
  padding: 0 10px;
  border-left: 1px solid var(--rule-soft);
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
}

.docs-sidebar a:hover {
  color: var(--ink);
}

.docs-sidebar a[aria-current="page"] {
  border-left-color: var(--oxide);
  color: var(--oxide);
  font-weight: 700;
}

.doc-content {
  min-width: 0;
  font-size: 16.5px;
}

.doc-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.doc-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.doc-content h1 {
  margin: 0;
  font-size: clamp(44px, 5vw, 58px);
  font-weight: 760;
  letter-spacing: -0.038em;
  line-height: 1.04;
  text-wrap: balance;
}

.doc-intro {
  max-width: 68ch;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.62;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

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

.doc-toc {
  display: flex;
  flex-wrap: wrap;
  margin-top: 32px;
  padding-block: 12px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule-soft);
}

.doc-toc strong {
  display: flex;
  width: 100%;
  min-height: 30px;
  align-items: center;
}

.doc-toc a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 12px;
  border-left: 1px solid var(--rule-soft);
  color: var(--ink-soft);
  font-size: 13px;
  text-decoration: none;
}

.doc-toc a:hover {
  color: var(--oxide);
}

.doc-content section {
  margin-top: 64px;
  scroll-margin-top: 90px;
}

.doc-content h2 {
  margin: 0 0 18px;
  padding-top: 16px;
  border-top: 1px solid var(--ink);
  font-size: 32px;
  font-weight: 730;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.doc-content h3 {
  margin: 34px 0 12px;
  font-size: 21px;
  line-height: 1.3;
}

.doc-content p,
.doc-content li {
  max-width: 68ch;
  color: var(--ink-soft);
}

.doc-content p {
  margin: 0 0 18px;
}

.doc-content ul,
.doc-content ol {
  margin: 18px 0;
  padding-left: 24px;
}

.doc-content li {
  margin: 8px 0;
}

.doc-content strong {
  color: var(--ink);
}

.doc-code {
  overflow: hidden;
  margin: 24px 0;
  border: 1px solid var(--ink);
  background: var(--ink);
}

.doc-code .code {
  min-height: 0;
  padding: 22px;
  font-size: 12.5px;
  line-height: 1.7;
}

.callout {
  margin: 26px 0;
  padding: 18px 20px;
  border-top: 1px solid var(--oxide);
  border-bottom: 1px solid var(--oxide);
  color: var(--ink-soft);
}

.callout strong {
  display: block;
  margin-bottom: 5px;
  color: var(--oxide);
  font-size: 11px;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.callout-warning {
  border-color: var(--amber);
}

.callout-warning strong {
  color: var(--amber);
}

.doc-next {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  margin-top: 72px;
  padding: 24px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
}

.doc-next:hover {
  border-top-color: var(--oxide);
  color: var(--ink);
}

.doc-next small,
.doc-next strong {
  display: block;
}

.doc-next strong {
  margin-top: 5px;
  font-size: 19px;
}

.doc-next > span:last-child {
  color: var(--oxide);
  font-size: 20px;
}

/* Footer and error page */

.site-footer {
  padding: 48px 0 32px;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
}

.footer-copy {
  max-width: 420px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 13px;
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.error-page {
  display: grid;
  min-height: calc(100vh - 68px);
  place-items: center;
  padding: 50px 0;
}

.error-card {
  max-width: 650px;
  padding: 42px 0;
  border-top: 4px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-align: center;
}

.error-code {
  margin: 0;
  color: var(--oxide);
  font-family: var(--font-mono);
  font-size: 13px;
}

.error-card h1 {
  margin: 16px 0;
  font-size: clamp(46px, 7vw, 72px);
  font-weight: 760;
  letter-spacing: -0.04em;
}

.error-card > p {
  color: var(--ink-soft);
  font-size: 17px;
}

@media (max-width: 1060px) {
  .hero-grid,
  .section-header,
  .docs-hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 820px;
  }

  .hero-example {
    width: min(100%, 760px);
  }

  .section-header {
    gap: 20px;
  }

  .section-header > p {
    max-width: 720px;
  }

  .fit-grid,
  .sdk-grid {
    gap: 48px;
  }

  .evidence-row {
    grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1fr);
  }

  .evidence-takeaway {
    grid-column: 2;
  }

  .docs-version {
    max-width: 620px;
  }
}

@media (max-width: 840px) {
  .container {
    width: min(calc(100% - 36px), var(--max));
  }

  .menu-button {
    display: grid;
  }

  .site-nav {
    position: fixed;
    inset: 68px 0 0;
    display: none;
    align-content: start;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    padding: 14px 18px 20px;
    border-bottom: 1px solid var(--ink);
    background: var(--paper);
    -webkit-overflow-scrolling: touch;
  }

  .site-nav[data-open="true"] {
    display: grid;
  }

  .nav-link,
  .nav-cta,
  .nav-cta:hover {
    min-height: 50px;
    margin-left: 0;
    padding-inline: 12px;
    border: 0;
    border-bottom: 1px solid var(--rule-soft);
    background: transparent;
    color: var(--ink);
  }

  .nav-cta,
  .nav-cta:hover {
    margin-top: 8px;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--paper);
  }

  .nav-cta[aria-current="page"],
  .nav-cta[aria-current="page"]:hover {
    border-color: var(--oxide);
    background: var(--oxide);
  }

  body.menu-open {
    overflow: hidden;
  }

  .fit-grid,
  .sdk-grid {
    grid-template-columns: 1fr;
  }

  .fit-boundary {
    max-width: 680px;
  }

  .evidence-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .evidence-takeaway {
    grid-column: auto;
    max-width: 68ch;
  }

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

  .support-item,
  .support-item:first-child {
    border-top: 1px solid var(--rule-soft);
    border-left: 0;
  }

  .support-item:first-child {
    border-top: 0;
  }

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

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

  .docs-shell {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .docs-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: none;
    padding: 0 0 26px;
    border-bottom: 1px solid var(--ink);
  }

  .docs-sidebar-group {
    margin-top: 0;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 32px), var(--max));
  }

  .header-inner {
    min-height: 62px;
  }

  .brand {
    gap: 7px;
    font-size: 18px;
  }

  .brand-mark {
    width: 28px;
    height: 28px;
  }

  .brand-version {
    max-width: 112px;
    overflow: hidden;
    white-space: nowrap;
  }

  .site-nav {
    inset-block-start: 62px;
  }

  .hero {
    padding-block: 52px 64px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 42px;
  }

  .hero h1 {
    font-size: clamp(42px, 12.5vw, 54px);
    line-height: 1.01;
  }

  .hero-lede {
    margin-top: 22px;
    font-size: 17px;
  }

  .hero-points {
    display: grid;
    gap: 8px;
  }

  .hero-points li,
  .hero-points li:first-child {
    padding: 0 0 0 12px;
    border-left: 2px solid var(--rule-soft);
  }

  .hero-actions,
  .section-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .release-line {
    display: grid;
    gap: 6px;
  }

  .release-line span,
  .release-line span:first-child {
    padding: 0;
    border-left: 0;
  }

  .example-heading {
    display: grid;
    gap: 2px;
    padding-block: 11px;
  }

  .example-code .code,
  .code,
  .doc-code .code {
    min-height: 0;
    padding: 20px 17px;
    font-size: 12.5px;
  }

  .checked-output {
    padding-inline: 17px;
  }

  .checked-output code {
    font-size: 12px;
  }

  .section {
    padding-block: 68px;
  }

  .section-header {
    gap: 18px;
    margin-bottom: 36px;
  }

  .section-header h2,
  .replay-copy h2 {
    font-size: clamp(36px, 10.5vw, 43px);
  }

  .section-header > p {
    font-size: 16.5px;
  }

  .fit-item {
    grid-template-columns: 1fr;
    gap: 7px;
    padding-block: 18px;
  }

  .fit-boundary {
    padding-inline: 18px;
  }

  .package-line {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-block: 16px;
  }

  .package-line a {
    margin-top: 4px;
  }

  .sdk-grid {
    margin-top: 40px;
  }

  .sdk-paths > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .timing-list,
  .timing-pairs {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .timing-list > div,
  .timing-list > div:first-child {
    padding: 0 0 0 14px;
    border-left: 1px solid var(--rule-soft);
  }

  .dependency-notice {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .doc-grid,
  .docs-paths {
    grid-template-columns: 1fr;
  }

  .doc-card,
  .path-card {
    min-height: 176px;
  }

  .replay-row {
    grid-template-columns: 68px 1fr;
    gap: 10px;
    padding-block: 11px;
  }

  .replay-proof {
    grid-column: 2;
    text-align: left;
  }

  .footer-top,
  .footer-bottom {
    display: grid;
  }

  .docs-hero {
    padding-block: 50px;
  }

  .docs-hero h1,
  .doc-content h1 {
    font-size: clamp(37px, 11vw, 46px);
  }

  .docs-version {
    padding-left: 16px;
  }

  .docs-sidebar {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .doc-intro {
    font-size: 18px;
  }

  .doc-toc {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .doc-toc strong {
    grid-column: 1 / -1;
  }

  .doc-toc a {
    border-bottom: 1px solid var(--rule-soft);
  }

  .doc-content h2 {
    font-size: 29px;
  }

  .platform-table,
  .docs-table {
    font-size: 14px;
  }

  .platform-table th,
  .platform-table td,
  .docs-table th,
  .docs-table td {
    padding: 12px 14px;
  }
}

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