:root {
  color-scheme: dark;
  --paper: #0a1018;
  --surface: #101a25;
  --raised: #172431;
  --ink: #f2f6f8;
  --muted: #acbbc9;
  --subtle: #96a9b9;
  --line: #293745;
  --accent: #97f3cb;
  --cyan: var(--accent);
  --success: #97f3cb;
  --danger: #ffacb4;
  --amber: #f5d494;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  --sans: "Segoe UI", Inter, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 var(--sans); }
a { color: inherit; text-underline-offset: 4px; }
button, input, select { font: inherit; }
button, summary, select { cursor: pointer; }
button { color: inherit; }
button:disabled, select:disabled { cursor: not-allowed; opacity: .5; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--paper); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
main:focus { outline: none; }
img { max-width: 100%; }
p { margin: 0 0 1rem; }
h1, h2, h3 { margin: 0; font-weight: 600; }
h1 { font-size: clamp(3.1rem, 5.7vw, 5.15rem); line-height: 1.07; letter-spacing: -.055em; }
h1 em { color: var(--accent); font-style: normal; }
h2 { font-size: clamp(2rem, 3.4vw, 3.1rem); line-height: 1.16; letter-spacing: -.04em; }
h3 { font-size: 1.28rem; line-height: 1.35; letter-spacing: -.02em; }
code, .mono { font-family: var(--mono); }
code { overflow-wrap: anywhere; }
.shell { width: min(1184px, calc(100% - 64px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 1rem; top: -100px; z-index: 30; padding: .75rem 1rem; background: var(--accent); color: var(--paper); border-radius: 6px; }
.skip-link:focus { top: 1rem; }
.small { font-size: .8125rem; color: var(--subtle); line-height: 1.6; }
.copy { color: var(--muted); }
.eyebrow { margin: 0 0 1.2rem; font: 500 .8125rem/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.lede { color: var(--muted); font-size: 1.125rem; line-height: 1.75; max-width: 590px; margin: 1.5rem 0 0; }
.site-header { position: relative; z-index: 20; background: rgba(10,16,24,.96); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 64px; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; padding-block: 8px; }
.brand img { display: block; width: 154px; height: 48px; object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: 1.85rem; }
.site-nav a { font-size: .875rem; text-decoration: none; color: var(--muted); min-height: 44px; display: inline-flex; align-items: center; gap: .6rem; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--accent); }
.site-nav .nav-source { color: var(--ink); border: 1px solid var(--line); padding: .3rem 1rem; border-radius: 6px; }
.menu-toggle { border: 1px solid var(--line); background: var(--surface); border-radius: 6px; min-height: 44px; padding: .5rem .8rem; }
.hero { display: grid; grid-template-columns: 1.08fr 1fr; gap: clamp(2rem, 6vw, 5rem); padding: 65px 0 62px; align-items: center; }
.hero-copy, .hero-visual { min-width: 0; }
.release-tag { display: inline-flex; gap: .7rem; align-items: center; font-size: .8125rem; text-decoration: none; color: var(--muted); margin-bottom: 1.7rem; }
.release-tag > span:first-child { background: #16312e; color: var(--accent); border: 1px solid #31534a; border-radius: 4px; padding: .12rem .45rem; font-family: var(--mono); }
.button-row { display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; margin-top: 1.7rem; }
.button { display: inline-flex; gap: 1rem; align-items: center; justify-content: center; min-height: 48px; border-radius: 6px; padding: .7rem 1rem; border: 1px solid #405161; background: transparent; color: var(--ink); text-decoration: none; font-size: .875rem; font-weight: 600; transition: background .16s, border-color .16s; text-align: center; }
.button:hover { background: var(--raised); border-color: var(--accent); }
.button.primary { background: var(--accent); border-color: var(--accent); color: #0a2419; }
.button.primary:hover { background: #c3ffe6; border-color: #c3ffe6; }
.install-line { margin-top: 1.4rem; display: flex; align-items: center; gap: 1rem; width: fit-content; max-width: 100%; border: 1px solid var(--line); border-radius: 6px; background: #080d14; padding: .4rem .5rem .4rem 1rem; }
.install-line code { color: #d0dce4; font-size: .875rem; }
.copy-button { flex-shrink: 0; border: 1px solid var(--line); border-radius: 4px; min-width: 55px; min-height: 36px; padding: .2rem .5rem; background: var(--raised); font-size: .8125rem; }
.copy-button:hover { border-color: var(--accent); color: var(--accent); }
.hero-meta { margin: .8rem 0 0; }
.visual-caption { display: flex; justify-content: space-between; font: .75rem/1.5 var(--mono); letter-spacing: .1em; color: var(--subtle); padding: 0 .2rem 1rem; }
.protocol-card { border: 1px solid #34485a; border-radius: 10px; background: var(--surface); box-shadow: 0 30px 70px #0003; overflow: hidden; }
.protocol-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); }
.protocol-top .mono { font-size: .8125rem; }
.badge { display: inline-flex; align-items: center; width: fit-content; padding: .25rem .55rem; background: #17332d; border: 1px solid #345649; border-radius: 4px; color: var(--accent); font: .75rem/1.5 var(--mono); }
.badge.neutral { color: #c0cdd7; background: #1b2732; border-color: #3a4a58; }
.badge.danger { background: #35212b; color: var(--danger); border-color: #6c3b4b; }
.badge.warn { background: #322c1d; color: var(--amber); border-color: #615231; }
.protocol-list { list-style: none; margin: 0; padding: 10px; }
.protocol-list li { display: grid; grid-template-columns: 26px minmax(0,1fr) auto; align-items: center; gap: 12px; padding: 19px 12px; border-bottom: 1px solid var(--line); }
.protocol-list li:last-child { border: 0; }
.protocol-list .gate-step { border: 1px solid #42695b; background: #142c29; border-radius: 6px; margin-top: -1px; }
.step-number { color: var(--subtle); font: .75rem var(--mono); }
.protocol-list h3 { font-size: 1rem; letter-spacing: -.01em; margin-top: .2rem; }
.protocol-list p { margin: .2rem 0 0; color: var(--muted); font-size: .8125rem; }
.protocol-list .small { font: .75rem var(--mono); letter-spacing: .07em; }
.mini-label { color: var(--accent); font: .75rem var(--mono); }
.protocol-footer { display: flex; justify-content: space-between; background: #14212d; padding: 1rem 1.2rem; border-top: 1px solid var(--line); font-size: .875rem; text-decoration: none; }
.protocol-footer:hover { color: var(--accent); }
.visual-footnote { text-align: center; margin: .9rem 0 0; color: var(--subtle); font-size: .75rem; }
.proof-strip { border-block: 1px solid var(--line); }
.proof-strip .shell { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; justify-content: space-between; padding-block: 1.3rem; font-size: .875rem; }
.proof-strip span { color: var(--subtle); }
.proof-strip strong { font-weight: 500; }
.section { padding: 90px 0; border-bottom: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1fr .85fr; align-items: end; gap: 5rem; margin-bottom: 3rem; }
.section-heading p.copy { margin: 0; max-width: 450px; }
.feature-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--line); }
.feature { padding: 2rem 2rem 0 0; }
.feature + .feature { border-left: 1px solid var(--line); padding-left: 2rem; }
.feature-index { font: .75rem var(--mono); color: var(--subtle); letter-spacing: .05em; }
.feature h3 { margin: 1.5rem 0 .8rem; }
.feature p { color: var(--muted); }
.feature a, .text-link { color: var(--accent); font-size: .875rem; text-decoration: none; }
.feature a:hover, .text-link:hover { text-decoration: underline; }
.integrations-section { background: #0d151f; }
.integration-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; }
.integration-card { padding: 1.5rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); text-decoration: none; display: flex; flex-direction: column; align-items: flex-start; transition: border-color .16s, background .16s; }
.integration-card:hover { border-color: #6ca990; background: #14222e; }
.adapter-symbol { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid #3b4a57; border-radius: 7px; font: 1.3rem var(--mono); margin-bottom: 2rem; color: var(--accent); }
.integration-card .small { font: .75rem var(--mono); }
.integration-card h3 { margin: .7rem 0 .8rem; }
.integration-card p { color: var(--muted); font-size: .9375rem; flex-grow: 1; }
.card-link { color: var(--accent); font-size: .875rem; margin-top: 1rem; }
.framework-row { display: flex; flex-wrap: wrap; gap: .75rem 2rem; margin-top: 2rem; font-size: .875rem; }
.framework-row span { color: var(--subtle); }
.framework-row a { text-decoration: none; }
.framework-row a:hover { color: var(--accent); }
.demo-banner, .status-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 5rem; }
.demo-banner .copy, .status-layout .copy { margin: 1.5rem 0; max-width: 450px; }
.sample-diff { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--surface); padding-bottom: 1.4rem; }
.code-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 47px; padding: .45rem 1rem; background: #14212d; color: var(--subtle); font-size: .8125rem; border-bottom: 1px solid var(--line); }
.sample-diff > p { margin: 0; padding: .8rem 1.25rem; font: .875rem/1.6 var(--mono); overflow-wrap: anywhere; }
.diff-original { background: #16332b; color: var(--accent); }
.diff-altered { background: #30202a; color: var(--danger); }
.diff-result { padding: 1.5rem 1.25rem 0; }
.diff-result p { color: var(--muted); font-size: .9375rem; margin: .8rem 0; }
.sample-diff > .small { display: block; padding-inline: 1.25rem; }
.status-layout { align-items: start; }
.status-items article { border-top: 1px solid var(--line); padding: 1.5rem 0; }
.status-items article:first-child { padding-top: 0; border: 0; }
.status-items h3 { margin: .85rem 0 .5rem; }
.status-items p { color: var(--muted); margin: 0; }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { padding: 1.3rem 1rem 1.3rem 0; font-size: 1rem; }
.faq-list details p { color: var(--muted); padding: 0 1rem .5rem 0; }
.closing { background: #10231f; text-align: center; }
.closing .copy { margin-top: 1.2rem; }
.closing .button-row { justify-content: center; }
.site-footer { padding: 3.5rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; }
.footer-brand { font-size: 1.35rem; font-weight: 600; text-decoration: none; }
.footer-grid p { font-size: .875rem; color: var(--muted); margin-top: .8rem; }
.footer-grid nav { display: flex; flex-direction: column; align-items: flex-start; }
.footer-grid nav strong { font-size: .875rem; margin-bottom: .65rem; }
.footer-grid nav a { color: var(--muted); font-size: .875rem; text-decoration: none; min-height: 36px; display: inline-flex; align-items: center; }
.footer-grid nav a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); margin-top: 2.5rem; padding: 1.3rem 0; font-size: .8125rem; color: var(--subtle); }
.footer-bottom a { text-decoration: none; }
/* Documentation */
.page-hero { padding: 65px 0 50px; }
.page-hero h1 { font-size: clamp(2.7rem,4.6vw,4rem); }
.page-hero .lede { max-width: 680px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 1.3rem; margin-top: 1.5rem; color: var(--subtle); font-size: .875rem; }
.doc-layout { display: grid; grid-template-columns: 230px minmax(0,1fr); gap: 64px; align-items: start; padding-bottom: 4rem; }
.doc-aside { position: sticky; top: 112px; max-height: calc(100vh - 130px); overflow-y: auto; }
.doc-aside nav { display: flex; flex-direction: column; border-left: 1px solid var(--line); padding-left: 1.2rem; }
.doc-aside strong { font: .75rem/1.5 var(--mono); letter-spacing: .07em; color: var(--subtle); margin: 1rem 0 .5rem; }
.doc-aside strong:first-child { margin-top: 0; }
.doc-aside nav a { display: flex; align-items: center; min-height: 36px; font-size: .875rem; color: var(--muted); text-decoration: none; padding: .2rem 0; }
.doc-aside nav a:hover, .doc-aside nav a[aria-current="location"] { color: var(--accent); }
.aside-demo { display: block; margin: 1.5rem 0 0; padding: 1rem; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); font-size: .875rem; text-decoration: none; }
.aside-demo strong { color: var(--accent); font: inherit; letter-spacing: 0; }
.doc-card { padding: 2.5rem 0; border-top: 1px solid var(--line); min-width: 0; scroll-margin-top: 15px; }
.doc-card:first-child { padding-top: 0; border-top: 0; }
.doc-card h2 { font-size: clamp(1.6rem,2.5vw,2.15rem); margin-bottom: 1.3rem; }
.doc-card p, .doc-card li { color: var(--muted); }
.doc-card a, .sample-note a, .notice a { color: var(--accent); }
.doc-card p code, .doc-card li code, td code { font-size: .875em; color: #d1f4e5; padding: .1em .2em; background: #13252a; border-radius: 3px; }
.doc-card li { margin: .7rem 0; }
.doc-card strong { color: var(--ink); }
.code-block { border: 1px solid var(--line); border-radius: 7px; overflow: hidden; margin: 1.3rem 0; }
.code-block pre { margin: 0; padding: 1.2rem; overflow: auto; background: #080e16; color: #c6ecd9; font: .875rem/1.8 var(--mono); }
.code-block code { font: inherit; overflow-wrap: normal; }
.callout { border-left: 3px solid var(--accent); background: #112321; padding: 1rem 1.2rem; margin-block: 1.5rem; }
.callout p { margin: .5rem 0 0; font-size: .9375rem; }
.table-scroll { max-width: 100%; overflow-x: auto; margin: 1.4rem 0; }
.contract-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.contract-table caption { text-align: left; margin-bottom: 1rem; color: var(--subtle); font-size: .8125rem; }
.contract-table td, .contract-table th { text-align: left; padding: .9rem .7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.contract-table th { color: var(--subtle); font-size: .8125rem; font-weight: 500; background: var(--surface); }
.contract-table td { color: var(--muted); }
/* Trace playground */
.page-hero.compact { padding: 45px 0 32px; }
.page-hero.compact h1 { font-size: clamp(2.5rem,4vw,3.45rem); }
.playground-layout { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 1.5rem; align-items: start; }
.trace-panel { border: 1px solid var(--line); border-radius: 8px; padding: 1.6rem; background: var(--surface); min-width: 0; }
.trace-panel .eyebrow { margin-bottom: .6rem; }
.trace-panel h2 { font-size: 1.65rem; }
.trace-summary { margin: 1.3rem 0; }
.metric { display: grid; grid-template-columns: 110px minmax(0,1fr); gap: 1rem; border-bottom: 1px solid var(--line); padding: .8rem 0; font-size: .875rem; }
.metric span { color: var(--subtle); }
.metric strong { overflow-wrap: anywhere; text-align: right; font-weight: 500; font-family: var(--mono); font-size: .8125rem; }
.experiment-controls { border-top: 1px solid var(--line); padding-top: 1.3rem; }
.experiment-controls label { display: block; font-weight: 500; margin-bottom: .5rem; font-size: .9375rem; }
select { display: block; width: 100%; min-height: 46px; background: #0a131c; border: 1px solid #4a5c6c; border-radius: 5px; color: var(--ink); padding: .6rem; }
.experiment-controls .small { margin: .6rem 0 1rem; }
.trace-controls { display: flex; flex-wrap: wrap; gap: .7rem; }
.danger-button { border-color: #8b5061; background: #362430; color: var(--danger); }
.danger-button:hover { background: #4a2b3a; border-color: var(--danger); }
.experiment-status { font-size: .8125rem; margin: .9rem 0 0; color: var(--muted); }
.sample-note { border-top: 1px solid var(--line); margin-top: 1.4rem; padding-top: 1.3rem; font-size: .875rem; }
.sample-note p { color: var(--muted); margin-top: .5rem; }
.sample-note strong { font-weight: 500; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.verification-status { margin-top: 1.5rem; padding: 1rem; background: #172834; border-left: 3px solid #617f98; font-size: .9375rem; color: #d4e4ee; }
.verification-status[data-state="VERIFIED"] { border-color: var(--accent); background: #173129; }
.verification-status[data-state="INVALID"], .verification-status[data-state="ERROR"] { border-color: var(--danger); background: #32212c; }
.verification-status[data-state="PARTIAL"] { border-color: var(--amber); background: #2d291c; }
.check { display: grid; grid-template-columns: 25px minmax(0,1fr) auto; gap: .65rem; border-bottom: 1px solid var(--line); padding: 1rem 0; }
.check:last-child { border: 0; padding-bottom: 0; }
.check-icon { font-size: 1rem; line-height: 1.5; color: var(--subtle); }
.check strong { font-size: .9375rem; font-weight: 500; display: block; }
.check-detail { display: block; color: var(--muted); font-size: .8125rem; margin-top: .3rem; }
.check-state { font: .75rem/1.8 var(--mono); }
.check.pass .check-icon, .check.pass .check-state { color: var(--accent); }
.check.fail .check-icon, .check.fail .check-state { color: var(--danger); }
.check.warn .check-icon, .check.warn .check-state { color: var(--amber); }
.trace-json { margin-top: 1.5rem; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.trace-json summary { padding: 1rem 1.3rem; background: var(--surface); font-size: .9375rem; }
.trace-json pre { overflow: auto; max-height: 500px; padding: 1.3rem; margin: 0; color: #b8cfdb; font: .8125rem/1.7 var(--mono); }
.trace-help { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding: 2.5rem 0; }
.trace-help h3 { font-size: 1rem; margin-bottom: .7rem; }
.trace-help p { color: var(--muted); font-size: .9375rem; }
.notice { padding: 1rem; border: 1px solid var(--amber); border-radius: 5px; margin-bottom: 1.5rem; }
@media (max-width: 1000px) {
  .hero { gap: 2rem; }
  .hero h1 { font-size: 4rem; }
  .site-nav { gap: 1.1rem; }
  .integration-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .section-heading, .demo-banner, .status-layout { gap: 2.5rem; }
  .protocol-list li { grid-template-columns: 20px minmax(0,1fr); }
  .mini-label { grid-column: 2; }
  .doc-layout { gap: 2rem; grid-template-columns: 205px minmax(0,1fr); }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 100px; }
  .shell { width: calc(100% - 36px); }
  .header-inner { min-height: 60px; flex-wrap: wrap; gap: 0; padding-block: 0; }
  .brand img { width: 140px; height: 44px; }
  .site-nav { width: 100%; flex-wrap: wrap; gap: .25rem 1rem; padding-bottom: .6rem; }
  .site-nav a { font-size: .8125rem; }
  .nav-enhanced .menu-toggle { display: inline-flex; align-items: center; gap: .6rem; }
  .nav-enhanced .site-nav { display: none; }
  .nav-enhanced .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; padding: .75rem 0; }
  .nav-enhanced .site-nav a { padding: .5rem .75rem; font-size: .9375rem; }
  .hero { grid-template-columns: 1fr; padding-block: 40px; gap: 2.5rem; }
  .hero h1 { font-size: clamp(3.25rem,10vw,4.75rem); }
  .hero-copy .lede { max-width: 550px; }
  .hero-visual { max-width: 560px; width: 100%; }
  .protocol-list li { grid-template-columns: 24px minmax(0,1fr) auto; }
  .mini-label { grid-column: auto; }
  .proof-strip .shell { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .proof-strip span { grid-column: 1/-1; }
  .section { padding: 55px 0; }
  .section-heading, .demo-banner, .status-layout, .faq-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .section-heading { margin-bottom: 2rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature, .feature + .feature { padding: 1.7rem 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .feature h3 { margin-top: .8rem; }
  .feature:last-child { border-bottom: 0; padding-bottom: 0; }
  .framework-row { gap: .75rem 1rem; }
  .framework-row span { width: 100%; }
  .status-items article:first-child { padding-top: 1.5rem; border-top: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem 1rem; }
  .footer-grid > div { grid-column: 1/-1; }
  .footer-bottom { flex-wrap: wrap; }
  .page-hero { padding-block: 40px; }
  .page-hero h1 { font-size: clamp(2.4rem,7vw,3.5rem); }
  .doc-layout { grid-template-columns: 1fr; gap: 2rem; }
  .doc-aside { position: static; max-height: none; }
  .doc-aside nav { display: grid; grid-template-columns: 1fr 1fr; gap: .15rem .8rem; }
  .doc-aside nav strong { grid-column: 1/-1; }
  .doc-aside nav a { min-height: 44px; }
  .aside-demo { display: none; }
  .doc-card:first-child { border-top: 1px solid var(--line); padding-top: 2rem; }
  .playground-layout { grid-template-columns: 1fr; }
  .trace-help { grid-template-columns: 1fr; gap: 1rem; }
}
@media (min-width: 761px) { .menu-toggle { display: none !important; } }
@media (max-width: 420px) {
  .integration-grid { grid-template-columns: 1fr; }
  .adapter-symbol { margin-bottom: 1.2rem; }
  .protocol-list li { gap: 8px; padding-inline: 6px; grid-template-columns: 18px minmax(0,1fr); }
  .mini-label { grid-column: 2; }
  .hero .button-row .button { width: 100%; }
  .install-line { width: 100%; gap: .5rem; justify-content: space-between; padding-left: .7rem; }
  .install-line code { font-size: .8125rem; }
  .trace-panel { padding: 1.1rem; }
  .check { grid-template-columns: 18px minmax(0,1fr); }
  .check-state { grid-column: 2; }
  .panel-heading { flex-wrap: wrap; }
  .metric { grid-template-columns: 90px minmax(0,1fr); }
  .sample-diff .code-bar { flex-wrap: wrap; gap: .25rem; }
  .doc-aside nav { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}