:root {
  --ink: #111b17;
  --forest: #10251e;
  --green: #b8ff72;
  --green-dark: #3e7e49;
  --paper: #f6f5ef;
  --card: #fffef8;
  --muted: #637069;
  --line: #d8dbd1;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 74px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 74%, transparent);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(18px);
}
.nav-wrap { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-word { font-size: 19px; font-weight: 750; letter-spacing: -.04em; }
.brand-mark { position: relative; display: inline-block; width: 31px; height: 31px; }
.brand-mark i {
  position: absolute;
  width: 19px;
  height: 25px;
  border: 2px solid currentColor;
  border-radius: 9px 9px 11px 11px;
  transform: rotate(42deg);
}
.brand-mark i:first-child { left: 2px; top: 1px; }
.brand-mark i:last-child { right: 2px; bottom: 1px; border-color: #65b957; }
.desktop-nav { display: flex; align-items: center; gap: 31px; margin-left: auto; }
.desktop-nav a { color: #52605a; font-size: 14px; font-weight: 570; transition: color .2s; }
.desktop-nav a:hover { color: var(--forest); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  border-radius: 999px;
  color: #fff;
  background: var(--forest);
  font-size: 14px;
  font-weight: 680;
}
.menu-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; background: transparent; }
.menu-toggle span { display: block; width: 17px; height: 1px; margin: 5px auto; background: var(--ink); transition: transform .2s; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }
.mobile-nav { display: grid; padding: 3px 0 18px; }
.mobile-nav[hidden] { display: none; }
.mobile-nav a { padding: 10px 2px; border-bottom: 1px solid var(--line); color: #53615a; font-size: 14px; }

.hero { position: relative; overflow: hidden; padding: 96px 0 80px; border-bottom: 1px solid var(--line); }
.hero::before {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  right: -120px;
  top: -150px;
  background: radial-gradient(circle, rgba(184,255,114,.28), transparent 67%);
  filter: blur(8px);
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .33;
  background-image: linear-gradient(to right, #b8bdb3 1px, transparent 1px), linear-gradient(to bottom, #b8bdb3 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}
.hero-layout { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(390px, .82fr); gap: 72px; align-items: center; }
.hero-copy { max-width: 690px; }
.eyebrow-pill {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 9px;
  border: 1px solid #cfd5c8;
  border-radius: 999px;
  background: rgba(255,255,255,.62);
  color: #3d5148;
  font-size: 12px;
  font-weight: 680;
}
.mini-shield { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; color: #245e35; background: #dff6cc; }
.hero h1 { margin: 26px 0 0; font-size: clamp(48px, 6.3vw, 78px); line-height: 1.04; letter-spacing: -.065em; font-weight: 750; }
.hero h1 span { display: block; color: var(--green-dark); }
.hero-lead { max-width: 650px; margin: 26px 0 0; color: #58665f; font-size: 18px; line-height: 1.78; }
.hero-actions { display: flex; align-items: center; gap: 12px; margin-top: 34px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border-radius: 11px;
  font-size: 15px;
  font-weight: 680;
  transition: transform .2s, box-shadow .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--forest); background: var(--green); border: 1px solid #9ee65b; box-shadow: 0 8px 25px rgba(71,120,53,.15); }
.button-primary:hover { box-shadow: 0 13px 34px rgba(71,120,53,.24); }
.button-secondary { border: 1px solid #cfd4ca; background: rgba(255,255,255,.58); }
.hero-note { display: flex; align-items: center; gap: 8px; margin: 22px 0 0; color: #637069; font-size: 13px; }
.hero-note span { display: grid; place-items: center; width: 16px; height: 16px; border-radius: 50%; color: #267d3e; background: #dff6cc; font-size: 10px; }

.protocol-card {
  position: relative;
  padding: 20px;
  border: 1px solid #31443b;
  border-radius: 22px;
  color: #f1f6ee;
  background: var(--forest);
  box-shadow: 0 32px 80px rgba(16,37,30,.24), inset 0 1px rgba(255,255,255,.06);
}
.protocol-card::before { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; background: linear-gradient(135deg, rgba(184,255,114,.1), transparent 33%); }
.protocol-topline, .protocol-footer { position: relative; display: flex; justify-content: space-between; align-items: center; color: #94a79e; font: 650 10px/1 var(--mono); letter-spacing: .08em; }
.protocol-topline > div { display: flex; align-items: center; gap: 7px; }
.protocol-topline code { color: #bfd0c7; font-size: 10px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(184,255,114,.09); }
.device-card { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: 13px; align-items: center; margin-top: 28px; padding: 16px; border: 1px solid #385147; border-radius: 14px; background: rgba(255,255,255,.035); }
.device-symbol { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; color: var(--green); background: #233a31; }
.device-card span, .binding-result span { display: block; margin-bottom: 5px; color: #85998f; font: 650 9px/1 var(--mono); letter-spacing: .09em; }
.device-card strong, .binding-result strong { font-size: 13px; font-weight: 650; }
.active-badge { margin: 0 !important; padding: 6px 8px; border: 1px solid #54755d; border-radius: 7px; color: var(--green) !important; background: rgba(184,255,114,.06); }
.pact-line { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 26px 8px 18px; color: #6f857a; font: 650 9px/1 var(--mono); letter-spacing: .11em; }
.pact-line div { height: 1px; display: flex; align-items: center; justify-content: space-around; background: #355045; }
.pact-line i { width: 6px; height: 6px; border: 1px solid var(--green); border-radius: 50%; background: var(--forest); }
.binding-result { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; padding: 19px 16px; border-radius: 14px; color: #14261f; background: #f4f6ed; }
.result-lock { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; color: #193124; background: var(--green); }
.result-state { text-align: right; }
.result-state strong { color: #327545; font: 680 12px/1 var(--mono); }
.protocol-footer { margin-top: 18px; padding-inline: 3px; font-size: 8px; }
.protocol-footer span:last-child { color: var(--green); }

.trust-strip { border-bottom: 1px solid var(--line); background: #ecece4; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid div { display: flex; flex-direction: column; gap: 4px; padding: 24px 28px; border-left: 1px solid #d5d7cf; }
.trust-grid div:last-child { border-right: 1px solid #d5d7cf; }
.trust-grid strong { font: 700 18px/1.2 var(--mono); letter-spacing: -.04em; }
.trust-grid span { color: #6c756f; font-size: 12px; }

.section { padding-block: 108px; }
.section-heading { max-width: 650px; }
.section-kicker { display: block; margin-bottom: 15px; color: var(--green-dark); font: 750 11px/1 var(--mono); letter-spacing: .15em; }
.section-kicker.light { color: var(--green); }
.section-heading h2, .boundary-layout h2, .split-heading h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); line-height: 1.12; letter-spacing: -.05em; }
.section-heading p { margin: 18px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 50px; }
.flow-card { min-height: 252px; padding: 26px; border: 1px solid var(--line); border-radius: 17px; background: rgba(255,255,255,.55); }
.step-number { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 38px; border-radius: 13px; color: #2d7642; background: #e5f6d5; font: 700 12px/1 var(--mono); }
.flow-card small { color: #4d8a59; font: 680 10px/1 var(--mono); letter-spacing: .1em; }
.flow-card h3 { margin: 13px 0 9px; font-size: 18px; letter-spacing: -.02em; }
.flow-card p { margin: 0; color: #6a756f; font-size: 14px; line-height: 1.65; }

.boundary-section { padding-block: 86px; color: #f5f8ef; background: var(--forest); }
.boundary-layout { display: grid; grid-template-columns: 1fr .85fr; gap: 90px; align-items: center; }
.outcome-list { display: grid; gap: 10px; }
.outcome-list > div { display: flex; align-items: center; gap: 13px; padding: 15px 17px; border: 1px solid #32473e; border-radius: 12px; color: #d9e2dd; background: #162c23; font-size: 14px; }
.outcome-list > div span { color: var(--green); }
.boundary-note { margin: 12px 2px 0; color: #9aaba2; font-size: 12px; line-height: 1.7; }

.split-heading { display: grid; grid-template-columns: 1.1fr .75fr; gap: 80px; align-items: end; }
.split-heading > p { margin: 0 0 4px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.scenario-card { padding: 30px; border-top: 3px solid var(--forest); border-radius: 0 0 15px 15px; background: #e9eae2; }
.scenario-tag { color: var(--green-dark); font: 700 10px/1 var(--mono); letter-spacing: .08em; }
.scenario-card h3 { margin: 25px 0 10px; font-size: 19px; letter-spacing: -.025em; }
.scenario-card p { margin: 0; color: #66716b; font-size: 14px; line-height: 1.7; }

.safeguard-section { padding-block: 104px; border-block: 1px solid var(--line); background: #efeee8; }
.safeguard-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 48px; overflow: hidden; border: 1px solid #d3d6ce; border-radius: 18px; background: #d3d6ce; }
.safeguard-grid article { display: flex; gap: 18px; padding: 30px; background: #f8f7f1; }
.safeguard-grid article > b { color: #357a47; font: 700 12px/1.4 var(--mono); }
.safeguard-grid h3 { margin: 0 0 8px; font-size: 16px; letter-spacing: -.02em; }
.safeguard-grid p { margin: 0; color: #68736d; font-size: 13px; line-height: 1.7; }

.cta-section { padding-block: 96px; }
.cta-panel { position: relative; overflow: hidden; padding: 58px; border-radius: 24px; color: #f6f8f2; background: var(--forest); }
.cta-panel::after { content: ""; position: absolute; width: 410px; height: 410px; right: -80px; bottom: -260px; border: 1px solid rgba(184,255,114,.35); border-radius: 50%; box-shadow: 0 0 0 46px rgba(184,255,114,.04), 0 0 0 92px rgba(184,255,114,.025); }
.cta-panel h2 { position: relative; max-width: 680px; margin: 0; font-size: clamp(36px, 5vw, 58px); line-height: 1.08; letter-spacing: -.055em; }
.cta-panel > p { position: relative; max-width: 650px; margin: 20px 0 0; color: #a9bab1; font-size: 15px; line-height: 1.75; }
.cta-actions { position: relative; z-index: 1; display: flex; align-items: center; gap: 22px; margin-top: 34px; }
.cta-actions code { color: #92a59b; font-size: 12px; }

.site-footer { padding: 58px 0 24px; color: #dce5df; background: #0a1712; }
.footer-grid { display: flex; justify-content: space-between; gap: 50px; }
.footer-grid > div:first-child p { max-width: 380px; margin: 18px 0 0; color: #879b90; font-size: 13px; }
.site-footer .brand-mark i:last-child { border-color: var(--green); }
.footer-links { display: flex; gap: 26px; color: #a8b8af; font-size: 13px; }
.footer-links a:hover { color: var(--green); }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 52px; padding-top: 22px; border-top: 1px solid #26372f; color: #687c72; font: 550 10px/1 var(--mono); letter-spacing: .05em; }

.docs-page { background: #fbfaf6; }
.docs-hero { padding: 72px 0 60px; border-bottom: 1px solid var(--line); background: #f1f0e9; }
.docs-hero-grid { display: grid; grid-template-columns: 1fr 390px; gap: 70px; align-items: center; }
.docs-label, .doc-kicker { color: var(--green-dark); font: 750 10px/1 var(--mono); letter-spacing: .13em; }
.docs-hero h1 { margin: 17px 0 0; font-size: clamp(42px, 5.5vw, 66px); line-height: 1.05; letter-spacing: -.06em; }
.docs-hero p { max-width: 700px; margin: 21px 0 0; color: #5d6963; font-size: 16px; line-height: 1.75; }
.endpoint-card { padding: 22px; border: 1px solid #30473d; border-radius: 16px; color: #edf4ee; background: var(--forest); box-shadow: 0 22px 50px rgba(16,37,30,.14); }
.endpoint-card > span { color: #91a49a; font: 680 9px/1 var(--mono); letter-spacing: .12em; }
.endpoint-card > code { display: block; margin-top: 13px; padding: 14px; overflow-x: auto; border: 1px solid #324d41; border-radius: 9px; color: var(--green); background: #152e24; font-size: 12px; }
.endpoint-card > div { display: flex; gap: 18px; margin-top: 18px; color: #a9bbb1; font-size: 10px; }
.endpoint-card > div span { display: flex; align-items: center; gap: 6px; }
.endpoint-card i { width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.endpoint-card > a { display: inline-flex; margin-top: 20px; color: var(--green); font-size: 11px; font-weight: 680; }

.docs-layout { display: grid; grid-template-columns: 210px minmax(0, 790px); gap: 76px; justify-content: center; padding-block: 68px 110px; }
.docs-sidebar { position: sticky; top: 106px; align-self: start; }
.docs-sidebar > span { display: block; margin-bottom: 16px; color: #88918c; font: 680 10px/1 var(--mono); letter-spacing: .1em; }
.docs-sidebar nav { display: grid; border-left: 1px solid #d5d9d1; }
.docs-sidebar nav a { margin-left: -1px; padding: 8px 0 8px 18px; border-left: 2px solid transparent; color: #5e6963; font-size: 13px; }
.docs-sidebar nav a:hover { border-color: #66aa62; color: #183226; }
.docs-help { margin-top: 30px; padding: 17px; border: 1px solid #d8ddd3; border-radius: 12px; background: #f0f4e9; }
.docs-help > b { color: #3a814b; }
.docs-help strong { display: block; margin-top: 12px; font-size: 12px; }
.docs-help p { margin: 6px 0 0; color: #68736d; font-size: 11px; line-height: 1.6; }
.docs-content { min-width: 0; }
.doc-section { scroll-margin-top: 100px; padding: 12px 0 72px; border-bottom: 1px solid #dde0d8; }
.doc-section + .doc-section { padding-top: 72px; }
.doc-section:last-child { border-bottom: 0; padding-bottom: 0; }
.doc-section h2 { margin: 14px 0 18px; font-size: clamp(29px, 4vw, 39px); line-height: 1.16; letter-spacing: -.045em; }
.doc-section h3 { margin: 30px 0 12px; font-size: 18px; letter-spacing: -.02em; }
.doc-section > p, .doc-lead { color: #5e6a64; font-size: 15px; line-height: 1.78; }
.doc-section code { font-family: var(--mono); }
.doc-section p code, .doc-steps code { padding: 2px 5px; border-radius: 5px; color: #24613a; background: #e8f0e3; font-size: .86em; }
.overview-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 14px; align-items: center; margin-top: 32px; }
.overview-flow > div { display: flex; min-height: 126px; flex-direction: column; align-items: center; justify-content: center; padding: 18px; border: 1px solid #d9ddd4; border-radius: 13px; background: #f5f4ef; text-align: center; }
.overview-flow > em { color: #95a199; font-style: normal; }
.overview-flow div b { color: #3c804d; font: 700 12px/1 var(--mono); }
.overview-flow div span { margin-top: 14px; color: #89918d; font: 650 9px/1 var(--mono); letter-spacing: .08em; }
.overview-flow div strong { margin-top: 5px; font-size: 13px; }
.callout { display: flex; align-items: flex-start; gap: 12px; margin-top: 24px; padding: 16px 18px; border-radius: 11px; }
.callout > b { flex: 0 0 auto; }
.callout p { margin: 0; font-size: 13px; line-height: 1.68; }
.callout.success { border: 1px solid #cde0c5; color: #375d43; background: #eef7e8; }
.callout.warning { border: 1px solid #e5d7b5; color: #6c582f; background: #fbf5e5; }
.credential-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; margin-top: 25px; }
.credential-grid > div { padding: 18px; border: 1px solid #daded6; border-radius: 11px; background: #f4f3ed; }
.credential-grid span { font: 680 11px/1 var(--mono); }
.credential-grid p { margin: 10px 0 0; color: #69746e; font-size: 12px; line-height: 1.6; }
.doc-steps { display: grid; gap: 18px; margin: 28px 0; padding: 0; counter-reset: steps; list-style: none; }
.doc-steps li { position: relative; display: flex; flex-direction: column; gap: 5px; min-height: 42px; padding-left: 48px; }
.doc-steps li::before { counter-increment: steps; content: counter(steps); position: absolute; left: 0; top: -2px; width: 31px; height: 31px; display: grid; place-items: center; border: 1px solid #c9d1c7; border-radius: 50%; color: #317344; font: 680 11px/1 var(--mono); }
.doc-steps strong { font-size: 14px; }
.doc-steps span { color: #69746e; font-size: 13px; line-height: 1.65; }
.code-window { overflow: hidden; margin: 22px 0; border: 1px solid #293f35; border-radius: 13px; background: var(--forest); }
.code-toolbar { height: 42px; display: flex; align-items: center; justify-content: space-between; padding: 0 8px 0 16px; border-bottom: 1px solid #2b4137; color: #82968c; font: 680 9px/1 var(--mono); letter-spacing: .08em; }
.code-toolbar button { min-width: 62px; padding: 7px 10px; border: 0; border-radius: 6px; color: #aebfb6; background: transparent; cursor: pointer; font-size: 10px; }
.code-toolbar button:hover, .code-toolbar button.copied { color: var(--green); background: #20382e; }
.code-window pre { margin: 0; padding: 20px; overflow-x: auto; color: #d8e5dc; font: 12px/1.75 var(--mono); tab-size: 2; }
.state-list, .header-table { margin-top: 26px; overflow: hidden; border: 1px solid #d8ddd4; border-radius: 12px; }
.header-table { margin-block: 24px; }
.state-list > div, .header-table > div { display: grid; grid-template-columns: 145px 1fr; gap: 20px; align-items: center; padding: 13px 16px; background: #f7f6f1; }
.state-list > div + div, .header-table > div + div { border-top: 1px solid #dde0da; }
.state-list code, .header-table code { color: #327746; font-size: 11px; font-weight: 680; }
.state-list span, .header-table span { color: #66716b; font-size: 12px; line-height: 1.5; }
.spec-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 25px; overflow: hidden; border: 1px solid #d8ddd4; border-radius: 12px; background: #d8ddd4; }
.spec-row div { display: flex; flex-direction: column; gap: 7px; padding: 18px; background: #f5f4ef; }
.spec-row span { color: #85908a; font-size: 10px; }
.spec-row strong { font: 680 13px/1 var(--mono); }
.checklist { display: grid; gap: 9px; margin-top: 25px; }
.checklist > div { display: flex; align-items: flex-start; gap: 11px; padding: 13px 15px; border: 1px solid #dce0d8; border-radius: 9px; color: #4f5e56; background: #f7f6f1; font-size: 13px; line-height: 1.55; }
.checklist b { color: #438452; }
.next-panel { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 34px; padding: 24px; border-radius: 14px; color: #ecf4ee; background: var(--forest); }
.next-panel > div { display: flex; gap: 13px; align-items: flex-start; }
.next-panel > div > b { color: var(--green); }
.next-panel strong { font-size: 14px; }
.next-panel p { margin: 5px 0 0; color: #9caea5; font-size: 11px; line-height: 1.6; }
.next-panel > a { flex: 0 0 auto; color: var(--green); font-size: 12px; font-weight: 680; }

@media (max-width: 900px) {
  .hero { padding-top: 68px; }
  .hero-layout { grid-template-columns: 1fr; gap: 52px; }
  .protocol-card { width: min(540px, 100%); }
  .flow-grid, .scenario-grid { grid-template-columns: 1fr; }
  .flow-card { min-height: 0; }
  .step-number { margin-bottom: 25px; }
  .boundary-layout, .split-heading { grid-template-columns: 1fr; gap: 40px; }
  .safeguard-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid div:nth-child(3), .trust-grid div:nth-child(4) { border-top: 1px solid #d5d7cf; }
  .docs-hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .endpoint-card { width: min(540px, 100%); }
  .docs-layout { grid-template-columns: 1fr; gap: 30px; }
  .docs-sidebar { display: none; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 32px, 1180px); }
  .site-header { min-height: 66px; }
  .nav-wrap { height: 66px; }
  .desktop-nav, .nav-cta { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .hero { padding: 54px 0 58px; }
  .hero h1 { font-size: clamp(42px, 13vw, 58px); }
  .hero-lead { font-size: 16px; line-height: 1.7; }
  .hero-actions, .cta-actions { align-items: stretch; flex-direction: column; }
  .hero-note { align-items: flex-start; line-height: 1.5; }
  .protocol-card { padding: 16px; border-radius: 18px; }
  .protocol-topline code { display: none; }
  .device-card { grid-template-columns: auto 1fr; }
  .active-badge { display: none !important; }
  .binding-result { grid-template-columns: 1fr 1fr; }
  .result-lock { display: none; }
  .trust-grid div { padding: 19px 14px; }
  .trust-grid div:nth-child(even) { border-right: 1px solid #d5d7cf; }
  .section, .safeguard-section { padding-block: 74px; }
  .boundary-section { padding-block: 68px; }
  .cta-section { padding-block: 64px; }
  .cta-panel { padding: 38px 25px; border-radius: 18px; }
  .cta-actions code { overflow-wrap: anywhere; }
  .footer-grid, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-links { flex-wrap: wrap; }
  .footer-bottom { gap: 10px; }
  .docs-hero { padding: 52px 0 44px; }
  .docs-layout { padding-block: 48px 78px; }
  .overview-flow { grid-template-columns: 1fr; }
  .overview-flow > em { transform: rotate(90deg); margin: auto; }
  .credential-grid { grid-template-columns: 1fr; }
  .state-list > div, .header-table > div { grid-template-columns: 1fr; gap: 6px; }
  .spec-row { grid-template-columns: repeat(2, 1fr); }
  .next-panel { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}