:root {
  --ink: #0b1f33;
  --paper: #f5f5f5;
  --paper-2: #e9eef2;
  --signal: #e46f25;
  --violet: #174a73;
  --muted: #657789;
  --line-dark: rgba(255, 255, 255, .16);
  --line-light: rgba(11, 31, 51, .16);
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html,
body { max-width: 100%; overflow-x: clip; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .8rem 1rem;
  background: var(--signal);
  color: var(--ink);
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 4.5rem);
  color: var(--ink);
  background: rgba(245, 245, 245, .96);
  border-bottom: 1px solid var(--line-light);
  backdrop-filter: blur(16px);
}
.site-header.is-scrolled { height: 68px; box-shadow: 0 10px 28px rgba(11,31,51,.08); }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 750; letter-spacing: -.02em; }
.brand-logo { display: block; width: 32px; height: 32px; object-fit: contain; background: #fff; border: 1px solid rgba(11, 31, 51, .14); border-radius: 4px; }
.brand-mark { display: grid; place-items: center; width: 31px; height: 31px; color: white; background: var(--signal); font-weight: 900; }
.brand-name { font-size: 1.02rem; }
.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.2rem); font-size: .82rem; font-weight: 650; }
.site-nav a { text-decoration: none; color: #3f5365; }
.site-nav a:hover { color: var(--signal); }
.site-nav .nav-cta { padding: .65rem .9rem; color: white; background: var(--ink); }

.hero {
  position: relative;
  min-height: calc(100svh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(390px, .9fr);
  grid-template-rows: 1fr auto;
  column-gap: clamp(3rem, 8vw, 10rem);
  overflow: hidden;
  padding: clamp(4.5rem, 9vh, 7rem) clamp(1.25rem, 6.5vw, 7.5rem) 42px;
  color: white;
  background: linear-gradient(135deg, #0b1f33 0%, #102a43 70%, #123b5b 100%);
}
.hero::before {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  right: -180px;
  top: -230px;
  border: 1px solid rgba(228, 111, 37, .52);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(228, 111, 37, .035), 0 0 0 140px rgba(228, 111, 37, .02);
}
.hero-grid { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 74px 74px; mask-image: linear-gradient(to right, black, transparent 72%); }
.hero-copy, .hero-console, .hero-proofline { position: relative; z-index: 1; }
.hero-copy { align-self: center; max-width: 780px; }
.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1.45rem; font-family: var(--mono); font-size: .71rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow span { width: 22px; height: 2px; background: var(--signal); }
h1 { margin: 0; max-width: 900px; font-size: clamp(4rem, 7.5vw, 8.2rem); line-height: .88; letter-spacing: -.072em; font-weight: 760; }
h1 em { color: var(--signal); font-style: normal; }
.hero-intro { max-width: 680px; margin: 2rem 0 0; color: #d6e0e8; font-size: clamp(1.05rem, 1.55vw, 1.35rem); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1rem; min-height: 50px; padding: 0 1.2rem; border: 1px solid var(--line-dark); text-decoration: none; font-size: .85rem; font-weight: 750; }
.button-primary { color: white; background: var(--signal); border-color: var(--signal); }
.button-primary:hover { color: white; background: #9f3d10; border-color: #9f3d10; }
.button-secondary:hover { border-color: white; }

.hero-console { align-self: center; width: min(100%, 560px); justify-self: end; background: #0a1b2c; border: 1px solid rgba(255,255,255,.2); box-shadow: 20px 20px 0 rgba(228, 111, 37, .9); font-family: var(--mono); }
.console-bar, .console-footer { min-height: 43px; display: flex; align-items: center; padding: 0 1rem; border-bottom: 1px solid var(--line-dark); color: #9da198; font-size: .68rem; }
.console-dot { width: 8px; height: 8px; margin-right: .6rem; border-radius: 50%; background: var(--signal); box-shadow: 0 0 16px var(--signal); }
.console-status { margin-left: auto; color: var(--signal); text-transform: uppercase; letter-spacing: .09em; }
.console-body { padding: 1.45rem 1rem 1.25rem; font-size: clamp(.69rem, 1vw, .84rem); line-height: 1.7; }
.console-body p { margin: 0; white-space: nowrap; }
.console-gap { height: .6rem; }
.line-no { display: inline-block; width: 2.5rem; color: #565b53; user-select: none; }
.token-dim { color: #858a80; }
.token-key { color: #ad9fff; }
.token-type { color: #f0f0ea; }
.token-prompt, .console-output span { color: var(--signal); }
.console-output { margin: .75rem 0 0 2.5rem; padding: .7rem .9rem; background: #111410; color: #b9bdb4; border-left: 2px solid var(--signal); }
.console-output p { display: flex; gap: .7rem; }
.console-footer { justify-content: space-between; border-top: 1px solid var(--line-dark); border-bottom: 0; }
.console-footer span:last-child { color: white; }
.hero-proofline { grid-column: 1 / -1; display: flex; align-items: center; justify-content: center; gap: clamp(.7rem, 2vw, 2.4rem); padding-top: 3.5rem; color: #aeb2a9; font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }
.hero-proofline i { width: 4px; height: 4px; border-radius: 50%; background: var(--signal); }

.section { padding: clamp(5.5rem, 9vw, 9rem) clamp(1.25rem, 6.5vw, 7.5rem); }
.system { min-height: 800px; }
.section-heading { display: grid; grid-template-columns: .65fr 1.25fr .85fr; gap: 3rem; align-items: end; }
.section-heading .eyebrow { align-self: start; }
.section-heading h2 { margin: 0; font-size: clamp(2.8rem, 5.4vw, 5.8rem); line-height: .95; letter-spacing: -.06em; }
.section-heading > p:last-child { margin: 0; color: #53584f; font-size: 1rem; line-height: 1.75; }
.pipeline { display: grid; grid-template-columns: 1fr auto 1fr auto 1.25fr; align-items: stretch; margin-top: 5rem; border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.pipeline-step { min-height: 340px; padding: 1.5rem; }
.pipeline-step + .pipeline-connector, .pipeline-connector + .pipeline-step { border-left: 1px solid var(--line-light); }
.step-index { font-family: var(--mono); font-size: .7rem; color: #777c72; }
.step-label { margin: 3.6rem 0 .55rem; color: #6b7067; font-family: var(--mono); font-size: .68rem; letter-spacing: .09em; text-transform: uppercase; }
.pipeline h3 { margin: 0; font-size: clamp(1.5rem, 2vw, 2.35rem); letter-spacing: -.04em; }
.pipeline h3 code { font-family: var(--mono); font-size: .86em; }
.pipeline ul { list-style: none; margin: 2rem 0 0; padding: 0; color: #53584f; line-height: 1.9; font-size: .88rem; }
.pipeline li::before { content: "↳"; margin-right: .55rem; color: var(--violet); }
.pipeline-step > p:last-child { color: #53584f; line-height: 1.65; font-size: .9rem; }
.step-engine { color: white; background: var(--violet); }
.step-engine .step-index, .step-engine .step-label, .step-engine > p:last-child { color: rgba(255,255,255,.72); }
.pipeline-connector { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: .8rem; width: 70px; color: #777c72; font-family: var(--mono); font-size: .6rem; text-transform: uppercase; writing-mode: vertical-rl; }
.pipeline-connector b { color: var(--ink); font-size: 1.2rem; writing-mode: initial; }

.positioning { display: grid; grid-template-columns: .35fr 1.5fr .55fr; align-items: center; gap: 3rem; padding: 4.4rem clamp(1.25rem, 6.5vw, 7.5rem); color: white; background: var(--violet); }
.positioning-label { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }
.positioning blockquote { margin: 0; font-size: clamp(2rem, 3.5vw, 4rem); line-height: 1.02; letter-spacing: -.05em; font-weight: 760; }
.positioning blockquote span { color: var(--signal); }
.positioning > p { margin: 0; color: rgba(255,255,255,.72); line-height: 1.6; font-size: .9rem; }

.audience-header { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 2rem; }
.audience h2, .security h2, .ai h2, .operations h2, .lineage h2, .fit h2, .closing h2 { margin: 0; font-size: clamp(2.8rem, 5.4vw, 5.8rem); line-height: .95; letter-spacing: -.06em; }
.audience-tabs { display: flex; padding: 4px; border: 1px solid var(--line-light); }
.audience-tabs button { border: 0; padding: .85rem 1.05rem; color: #666b62; background: transparent; font: 700 .76rem var(--sans); cursor: pointer; }
.audience-tabs button[aria-selected="true"] { color: white; background: var(--ink); }
.audience-panel { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 4.5rem; border-top: 1px solid var(--line-light); }
.audience-panel[hidden] { display: none; }
.audience-panel article { min-height: 330px; padding: 1.5rem 1.7rem 2rem; border-right: 1px solid var(--line-light); }
.audience-panel article:first-child { border-left: 1px solid var(--line-light); }
.audience-panel article > span { font-family: var(--mono); font-size: .68rem; color: var(--violet); }
.audience-panel h3 { margin: 7rem 0 .8rem; font-size: 1.45rem; letter-spacing: -.035em; }
.audience-panel p { margin: 0; color: #5e635a; line-height: 1.7; font-size: .9rem; }

.section-dark { color: white; background: var(--ink); }
.proof-heading > p:last-child { color: #aeb2a9; }
.proof-ledger { margin-top: 5rem; border-top: 1px solid var(--line-dark); }
.ledger-head, .proof-ledger article { display: grid; grid-template-columns: .85fr 1.35fr .8fr; gap: 3rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line-dark); align-items: baseline; }
.ledger-head { color: #747970; font: 700 .64rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.proof-ledger h3, .proof-ledger p, .proof-ledger strong { margin: 0; }
.proof-ledger h3 { font-size: 1.08rem; }
.proof-ledger p { color: #aeb2a9; line-height: 1.6; font-size: .86rem; }
.proof-ledger strong { color: var(--signal); font: 650 .76rem/1.5 var(--mono); }
.error-ladder { margin-top: 4.2rem; padding: 1.6rem 1.8rem; color: #c2c6bd; background: #171b16; border: 1px solid var(--line-dark); }
.error-ladder > p { margin: 0 0 1rem; color: #777d73; font: 700 .65rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.error-ladder div { display: flex; align-items: center; justify-content: space-between; gap: 1rem; font: .74rem var(--mono); }
.error-ladder b { color: #5b6057; }
.error-ladder .ladder-best { padding: .65rem .8rem; color: var(--ink); background: var(--signal); font-weight: 800; }
.proof-evidence-link { margin-top: 1.5rem; }

.security-intro { display: grid; grid-template-columns: .6fr 1.2fr .8fr; gap: 3rem; align-items: end; }
.security-intro .eyebrow { align-self: start; }
.security-intro > p:last-child { margin: 0; color: #575c53; line-height: 1.7; }
.permission-chain { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1.25fr auto 1fr; align-items: stretch; margin-top: 5rem; }
.permission-chain article { min-height: 210px; padding: 1.2rem; border: 1px solid var(--line-light); }
.permission-chain > b { align-self: center; padding: 0 .6rem; color: #8a8f85; }
.permission-chain span { font: 700 .62rem var(--mono); letter-spacing: .06em; color: #72776e; }
.permission-chain h3 { margin: 3.6rem 0 .6rem; font-size: 1.25rem; }
.permission-chain p { margin: 0; color: #60655c; font-size: .77rem; line-height: 1.55; }
.permission-chain .chain-boundary { color: white; background: var(--violet); border-color: var(--violet); box-shadow: 0 10px 30px rgba(105,83,255,.22); transform: translateY(-12px); }
.permission-chain .chain-boundary span, .permission-chain .chain-boundary p { color: rgba(255,255,255,.75); }
.security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 5rem; background: var(--line-light); border: 1px solid var(--line-light); }
.security-grid article { padding: 1.7rem; background: var(--paper); }
.card-kicker { color: var(--violet) !important; font: 700 .63rem var(--mono) !important; letter-spacing: .08em; text-transform: uppercase; }
.security-grid h3 { margin: 3.5rem 0 .75rem; font-size: 1.2rem; }
.security-grid p { margin: 0; color: #60655c; font-size: .84rem; line-height: 1.65; }

.section-violet { color: white; background: var(--violet); }
.ai-title { display: grid; grid-template-columns: .65fr 1.8fr; gap: 3rem; align-items: start; }
.ai-title .eyebrow span { background: var(--signal); }
.ai-columns { display: grid; grid-template-columns: 1fr 1fr; margin-top: 5rem; border: 1px solid rgba(255,255,255,.22); }
.ai-story { min-height: 650px; padding: clamp(1.5rem, 3.5vw, 3.4rem); }
.ai-story + .ai-story { border-left: 1px solid rgba(255,255,255,.22); }
.story-number { font: 700 .66rem var(--mono); letter-spacing: .1em; color: var(--signal); }
.ai-story h3 { margin: 4.5rem 0 1.5rem; max-width: 620px; font-size: clamp(2rem, 3.2vw, 3.6rem); line-height: 1; letter-spacing: -.055em; }
.ai-story > p { color: rgba(255,255,255,.77); line-height: 1.75; }
.ai-story ul { margin: 2rem 0 0; padding: 0; list-style: none; }
.ai-story li { padding: .8rem 0; border-top: 1px solid rgba(255,255,255,.16); font-size: .84rem; }
.ai-story li::before { content: "✓"; margin-right: .75rem; color: var(--signal); }
.story-result { margin-top: 2.5rem; padding: 1.1rem; background: rgba(16,19,15,.2); }
.story-result span { display: block; margin-bottom: .5rem; color: var(--signal); font: 700 .6rem var(--mono); letter-spacing: .1em; }
.story-result strong { font-size: .84rem; line-height: 1.5; }
.ai-runtime { background: rgba(16,19,15,.12); }

.operations { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(4rem, 8vw, 9rem); align-items: center; }
.operations-code { padding: 1px; background: linear-gradient(135deg, var(--violet), var(--signal)); box-shadow: 24px 24px 0 var(--paper-2); }
.code-label { padding: .8rem 1rem; color: white; background: var(--ink); font: 700 .62rem var(--mono); letter-spacing: .1em; }
.operations-code pre { margin: 0; min-height: 360px; display: flex; align-items: center; padding: clamp(1.3rem, 3vw, 3rem); color: #f0f0ea; background: #171b16; overflow-x: auto; font: clamp(.72rem, 1.1vw, .98rem)/1.9 var(--mono); }
.code-comment { color: #7c8277; }
.operations-copy > p:not(.eyebrow) { color: #555a51; line-height: 1.75; }
.operations-copy code { font-family: var(--mono); color: var(--violet); }
.operation-benefits { margin-top: 2.2rem; border-top: 1px solid var(--line-light); }
.operation-benefits div { display: flex; justify-content: space-between; gap: 2rem; padding: 1rem 0; border-bottom: 1px solid var(--line-light); }
.operation-benefits strong { font-size: .86rem; }
.operation-benefits span { color: #666b62; font-size: .8rem; text-align: right; }

.lineage { background: var(--paper-2); }
.lineage-heading { display: grid; grid-template-columns: .6fr 1.2fr .8fr; gap: 3rem; align-items: end; }
.lineage-heading .eyebrow { align-self: start; }
.lineage-heading > p:last-child { margin: 0; color: #575c53; line-height: 1.7; }
.timeline { margin: 5rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line-light); }
.timeline li { display: grid; grid-template-columns: .45fr 1fr; gap: 3rem; padding: 1.8rem 0; border-bottom: 1px solid var(--line-light); }
.timeline li > span { color: var(--violet); font: 700 .68rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.timeline h3 { margin: 0 0 .45rem; font-size: 1.3rem; }
.timeline p { margin: 0; max-width: 780px; color: #5c6158; line-height: 1.65; font-size: .88rem; }
.lineage-note { display: grid; grid-template-columns: .45fr 1fr; gap: 3rem; margin-top: 3rem; padding: 2rem; color: white; background: var(--ink); }
.lineage-note span { color: var(--signal); font: 700 .62rem var(--mono); letter-spacing: .1em; }
.lineage-note p { margin: 0; font-size: clamp(1.2rem, 2vw, 2rem); line-height: 1.35; letter-spacing: -.03em; }

.fit { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 9rem); }
.fit-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.fit-columns article { padding: 2rem; background: var(--ink); }
.fit-columns h3 { margin: 0 0 3.5rem; color: var(--signal); font: 700 .7rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.fit-columns ul { margin: 0; padding: 0; list-style: none; }
.fit-columns li { padding: .9rem 0; color: #bdc1b8; border-top: 1px solid var(--line-dark); font-size: .84rem; line-height: 1.5; }
.fit-columns li::before { content: "—"; margin-right: .6rem; color: var(--violet); }

.closing { position: relative; overflow: hidden; text-align: center; }
.closing-mark { position: absolute; left: 50%; top: 45%; transform: translate(-50%,-50%); color: rgba(105,83,255,.055); font-size: min(70vw, 850px); line-height: 1; font-weight: 900; }
.closing > *:not(.closing-mark) { position: relative; z-index: 1; }
.closing .eyebrow { justify-content: center; }
.closing h2 em { color: var(--violet); font-style: normal; }
.closing > p:not(.eyebrow) { max-width: 700px; margin: 2rem auto 0; color: #5b6057; line-height: 1.7; }
.closing-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem; margin-top: 2.2rem; }
.button-dark { color: white; background: var(--ink); border-color: var(--ink); }
.button-dark:hover { background: var(--violet); border-color: var(--violet); }
.button-line { border-color: var(--line-light); }
footer { display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding: 2rem clamp(1.25rem, 6.5vw, 7.5rem); color: #aeb2a9; background: var(--ink); border-top: 1px solid var(--line-dark); font-size: .72rem; }
.footer-brand { color: white; }
footer p { margin: 0; }

@media (max-width: 1000px) {
  .site-nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; row-gap: 4rem; padding-top: 140px; }
  .hero-console { justify-self: stretch; width: 100%; }
  .section-heading { grid-template-columns: 1fr; gap: 1.6rem; }
  .pipeline { grid-template-columns: 1fr; }
  .pipeline-connector { width: auto; height: 58px; writing-mode: initial; flex-direction: row; border-left: 0 !important; border-top: 1px solid var(--line-light); }
  .pipeline-step + .pipeline-connector, .pipeline-connector + .pipeline-step { border-left: 0; border-top: 1px solid var(--line-light); }
  .positioning { grid-template-columns: 1fr; gap: 1.5rem; }
  .audience-header, .security-intro, .lineage-heading, .ai-title { grid-template-columns: 1fr; }
  .audience-tabs { justify-self: start; }
  .permission-chain { grid-template-columns: 1fr; }
  .permission-chain > b { padding: .55rem; text-align: center; transform: rotate(90deg); }
  .permission-chain .chain-boundary { transform: none; }
  .security-grid { grid-template-columns: 1fr 1fr; }
  .operations, .fit { grid-template-columns: 1fr; }
  .operations-code { order: 2; }
}

@media (max-width: 600px) {
  .site-header { height: 68px; }
  .brand-name { font-size: .9rem; }
  .nav-cta { font-size: .72rem; }
  .hero { padding-top: 120px; }
  h1 { font-size: clamp(3.3rem, 17vw, 5rem); }
  .hero-proofline { justify-content: flex-start; overflow-x: auto; }
  .hero-proofline span { white-space: nowrap; }
  .hero-console { box-shadow: 10px 10px 0 rgba(105, 83, 255, .78); }
  .console-body { overflow-x: auto; }
  .pipeline-step { min-height: 300px; }
  .audience-panel, .ai-columns, .fit-columns { grid-template-columns: 1fr; }
  .audience-panel article, .audience-panel article:first-child { border-left: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
  .audience-panel h3 { margin-top: 3.5rem; }
  .ledger-head { display: none; }
  .proof-ledger article { grid-template-columns: 1fr; gap: 1rem; }
  .error-ladder div { align-items: flex-start; flex-direction: column; }
  .error-ladder b { transform: rotate(90deg); }
  .security-grid { grid-template-columns: 1fr; }
  .ai-story + .ai-story { border-left: 0; border-top: 1px solid rgba(255,255,255,.22); }
  .timeline li, .lineage-note { grid-template-columns: 1fr; gap: 1rem; }
  .operation-benefits div { flex-direction: column; gap: .25rem; }
  .operation-benefits span { text-align: left; }
  footer { align-items: flex-start; flex-direction: column; }
}

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

.architecture-diagram {
  width: 100%;
  max-width: 1500px;
  justify-self: center;
  margin: clamp(2.5rem, 5vh, 4rem) auto clamp(3rem, 6vw, 5rem);
  overflow: hidden;
  border: 1px solid var(--line-light);
  background: #071724;
  box-shadow: 0 24px 60px rgba(11,31,51,.15);
}
.architecture-diagram a {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.architecture-diagram picture { display: block; }
.architecture-diagram a::-webkit-scrollbar { display: none; }
.architecture-diagram img { display: block; width: 100%; height: auto; }
.architecture-diagram figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 1rem;
  color: #b9c8d2;
  border-top: 1px solid #263e52;
  background: #071724;
  font: 700 .64rem/1.5 var(--mono);
}
.architecture-diagram figcaption strong { color: var(--signal-light); }

@media (max-width: 600px) {
  .architecture-diagram { width: 100%; max-width: 100%; margin-inline: 0; }
  .architecture-diagram a { overflow-x: hidden; }
  .architecture-diagram img { width: 100%; max-width: 100%; }
  .architecture-diagram figcaption { flex-direction: column; }
}

body.diagram-viewer-is-open { overflow: hidden; }

.diagram-dialog {
  width: min(96vw, 1600px);
  max-width: none;
  height: min(94svh, 1000px);
  max-height: none;
  margin: auto;
  padding: 0;
  overflow: hidden;
  color: #f5f5f5;
  border: 1px solid #38556c;
  background: #071724;
  box-shadow: 0 32px 90px rgba(0,0,0,.5);
}
.diagram-dialog::backdrop {
  background: rgba(3,15,25,.82);
  backdrop-filter: blur(4px);
}
.diagram-dialog__shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
}
.diagram-dialog__header {
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .9rem 1rem .9rem 1.25rem;
  border-bottom: 1px solid #38556c;
  background: #0b1f33;
}
.diagram-dialog__header h2 {
  margin: .15rem 0 0;
  color: #f5f5f5;
  font-size: clamp(1rem, 2vw, 1.35rem);
  line-height: 1.2;
}
.diagram-dialog__eyebrow {
  color: #ffb27e;
  font: 700 .62rem/1.2 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.diagram-dialog__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-width: 108px;
  min-height: 48px;
  padding: .65rem .9rem;
  color: #0b1f33;
  border: 2px solid #f5f5f5;
  background: #f5f5f5;
  cursor: pointer;
  font: 800 .78rem/1 var(--sans);
}
.diagram-dialog__close span { font-size: 1.7rem; font-weight: 400; line-height: .7; }
.diagram-dialog__close:hover { color: white; border-color: var(--signal-light); background: var(--signal); }
.diagram-dialog__close:focus-visible { outline: 3px solid #ffb27e; outline-offset: 3px; }
.diagram-dialog__viewport {
  display: grid;
  min-height: 0;
  place-items: center;
  overflow: auto;
  padding: clamp(.5rem, 2vw, 1.5rem);
}
.diagram-dialog__image {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 100%;
}

@media (max-width: 600px) {
  .diagram-dialog { width: calc(100vw - 1rem); height: calc(100svh - 1rem); }
  .diagram-dialog__header { padding: .7rem; }
  .diagram-dialog__eyebrow { display: none; }
  .diagram-dialog__close { min-width: 96px; min-height: 44px; }
  .diagram-dialog__viewport { padding: .5rem; }
}

/* Corporate visual system */
:root {
  --ink: #0b1f33;
  --ink-2: #102a43;
  --blue: #174a73;
  --blue-soft: #dbe6ee;
  --paper: #f5f5f5;
  --paper-2: #e9eef2;
  --surface: #ffffff;
  --signal: #c6531a;
  --signal-light: #ffb27e;
  --muted: #5d7082;
  --line-dark: rgba(255, 255, 255, .17);
  --line-light: rgba(11, 31, 51, .14);
  --shadow: 0 22px 55px rgba(11, 31, 51, .10);
}

html { scroll-padding-top: 68px; }
body { background: var(--paper); }
.site-header {
  position: sticky;
  top: 0;
  height: 72px;
  color: var(--ink);
  background: rgba(245, 245, 245, .96);
  border-bottom-color: var(--line-light);
  transition: height .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled { height: 64px; background: rgba(245, 245, 245, .98); }
.site-nav a { color: #395064; }
.site-nav .nav-cta { color: white; background: var(--ink); border: 1px solid var(--ink); }
.site-nav .nav-cta:hover { color: white; background: var(--signal); border-color: var(--signal); }
.brand-mark { border-radius: 3px; background: var(--signal); }

.hero {
  min-height: calc(100svh - 72px);
  background: linear-gradient(128deg, #0b1f33 0%, #102a43 62%, #174a73 100%);
}
.hero::before { border-color: rgba(255,178,126,.58); }
.hero-grid { opacity: .15; background-size: 82px 82px; }
.hero h1 { max-width: 820px; font-size: clamp(3.8rem, 7vw, 7.4rem); letter-spacing: -.058em; }
.hero h1 em { color: var(--signal-light); }
.hero-intro { color: #d9e3ea; }
.hero-console { background: #071827; box-shadow: 18px 18px 0 rgba(198,83,26,.92); }
.console-bar, .console-footer { color: #a9b9c5; }
.console-output { background: #06131f; color: #cad5dd; }
.token-key { color: #8ec1e7; }
.token-dim { color: #93a6b5; }
.line-no { color: #627789; }
.hero-proofline { color: #c1ced7; }

.section,
.positioning {
  min-height: calc(100svh - 64px);
  scroll-margin-top: 64px;
  padding: clamp(4.75rem, 8vh, 7.5rem) clamp(1.5rem, 6.5vw, 7.5rem);
}
.section { display: grid; align-content: center; }
.system { min-height: calc(100svh - 64px); background: var(--paper); }
.section-heading,
.security-intro,
.lineage-heading,
.services-heading {
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  column-gap: clamp(2.5rem, 6vw, 6rem);
  row-gap: 1.4rem;
  align-items: end;
  max-width: 1500px;
  margin-inline: auto;
  width: 100%;
}
.section-heading > .eyebrow,
.security-intro > .eyebrow,
.lineage-heading > .eyebrow,
.services-heading > .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: .15rem;
}
.section-heading > h2,
.security-intro > h2,
.lineage-heading > h2,
.services-heading > h2 {
  grid-column: 1;
  max-width: 920px;
}
.section-heading > p:last-child,
.security-intro > p:last-child,
.lineage-heading > p:last-child,
.services-heading > p:last-child {
  grid-column: 2;
  justify-self: end;
  max-width: 440px;
}
.section-heading h2,
.security h2,
.audience h2,
.ai h2,
.operations h2,
.lineage h2,
.fit h2,
.services h2,
.closing h2 {
  font-size: clamp(2.55rem, 4.6vw, 5.2rem);
  line-height: .98;
  letter-spacing: -.05em;
}
.section-heading > p:last-child,
.security-intro > p:last-child,
.lineage-heading > p:last-child,
.services-heading > p:last-child { color: var(--muted); }

.pipeline {
  width: 100%;
  max-width: 1500px;
  margin: clamp(3rem, 6vh, 5rem) auto 0;
  background: var(--surface);
  border: 1px solid var(--line-light);
  box-shadow: var(--shadow);
}
.pipeline-step { min-height: 290px; padding: 1.75rem; }
.pipeline-step.step-engine { color: white; background: var(--blue); }
.pipeline-connector { background: var(--paper-2); }
.pipeline li::before { color: var(--signal); }

.positioning {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr);
  column-gap: clamp(2.5rem, 6vw, 6rem);
  row-gap: 1.4rem;
  align-content: center;
  color: white;
  background: var(--blue);
}
.positioning-label { grid-column: 1 / -1; }
.positioning blockquote { max-width: 980px; }
.positioning blockquote span { color: var(--signal-light); }
.positioning > p { justify-self: end; max-width: 440px; color: #d8e3eb; }

.ai-title {
  grid-template-columns: 1fr;
  gap: 1.4rem;
}
.ai-title h2 { max-width: 1100px; }

.architecture {
  color: white;
  background: var(--ink);
}
.architecture-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  column-gap: clamp(2.5rem, 6vw, 6rem);
  row-gap: 1.4rem;
  align-items: end;
  width: 100%;
  max-width: 1500px;
  margin-inline: auto;
}
.architecture-heading > .eyebrow { grid-column: 1 / -1; margin-bottom: .15rem; }
.architecture-heading h2 {
  grid-column: 1;
  max-width: 980px;
  margin: 0;
  font-size: clamp(2.55rem, 4.2vw, 4.8rem);
  line-height: .98;
  letter-spacing: -.05em;
}
.architecture-heading > p:last-child {
  grid-column: 2;
  justify-self: end;
  max-width: 440px;
  margin: 0;
  color: #b7c5cf;
  line-height: 1.72;
}
.architecture-heading code { color: var(--signal-light); }

.framework-map {
  width: 100%;
  max-width: 1500px;
  margin: clamp(2.5rem, 5vh, 4rem) auto 0;
  border: 1px solid #2d465a;
  background: #0d263b;
  box-shadow: 0 24px 70px rgba(0,0,0,.22);
}
.intent-zone,
.generator-zone { padding: 1.15rem 1.35rem; }
.intent-zone { background: #f5f5f5; color: var(--ink); }
.generator-zone { background: var(--blue); }
.map-zone-heading,
.lane-heading { display: flex; align-items: center; gap: .8rem; }
.map-zone-heading > span,
.lane-heading > span {
  flex: 0 0 auto;
  color: var(--signal-light);
  font: 800 .62rem var(--mono);
  letter-spacing: .1em;
}
.intent-zone .map-zone-heading > span { color: var(--signal); }
.map-zone-heading strong,
.map-zone-heading small { display: block; }
.map-zone-heading strong { font-size: .9rem; }
.map-zone-heading small { margin-top: .18rem; color: #bed0dd; font: .7rem/1.4 var(--sans); }
.intent-zone .map-zone-heading small { color: #627282; }
.generator-zone code { color: #ffd1b9; }
.intent-items,
.generator-actions { display: grid; gap: .55rem; margin-top: 1rem; }
.intent-items { grid-template-columns: 1.25fr repeat(4, 1fr); }
.generator-actions { grid-template-columns: repeat(4, 1fr); }
.intent-items span,
.generator-actions span {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: .55rem .7rem;
  border: 1px solid #ccd5dc;
  background: white;
  font: 750 .72rem var(--sans);
  text-align: center;
}
.intent-items .intent-primary { color: white; background: var(--signal); border-color: var(--signal); }
.generator-actions span { color: white; background: rgba(5,20,32,.18); border-color: rgba(255,255,255,.2); }
.map-arrow {
  position: relative;
  display: grid;
  min-height: 46px;
  place-items: center;
  color: #9eb3c1;
  background: #091d2e;
  font: 700 .6rem var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}
.map-arrow b { position: absolute; bottom: -11px; z-index: 2; color: var(--signal-light); font-size: 1.25rem; }

.runtime-zone {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, .64fr) minmax(0, 1fr);
  gap: 1px;
  background: #2d465a;
}
.runtime-lane,
.operations-bridge { background: #102a43; }
.runtime-lane { padding: 1.35rem; }
.client-lane { background: #15344d; }
.lane-heading small,
.lane-heading h3 { display: block; margin: 0; }
.lane-heading small { color: #8fa7b7; font: 700 .58rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.lane-heading h3 { margin-top: .2rem; font-size: 1.1rem; }
.runtime-lane ul { display: grid; gap: .5rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.runtime-lane li {
  position: relative;
  padding: .58rem .7rem .58rem 1.65rem;
  color: #d8e3eb;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.08);
  font-size: .72rem;
  line-height: 1.35;
}
.runtime-lane li::before { content: "✓"; position: absolute; left: .7rem; color: var(--signal-light); font-weight: 900; }
.lane-rule { margin: .9rem 0 0; color: #ffb58e; font: 700 .62rem/1.45 var(--mono); }

.operations-bridge {
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 1.35rem 1rem;
  text-align: center;
}
.bridge-label { color: #92a8b7; font: 800 .58rem var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.operations-bridge > code {
  display: block;
  margin-top: .8rem;
  color: white;
  font: 800 clamp(.92rem, 1.45vw, 1.3rem) var(--mono);
}
.operations-bridge > p { margin: .75rem 0 0; color: #b8c8d3; font-size: .7rem; line-height: 1.65; }
.bridge-protocol {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: .45rem;
  width: 100%;
  margin-top: 1rem;
  padding-top: .85rem;
  border-top: 1px solid #2d465a;
  color: white;
  font: 800 .6rem var(--mono);
  text-transform: uppercase;
}
.bridge-protocol b { color: var(--signal-light); font-size: 1.05rem; }
.bridge-protocol small { grid-column: 1 / -1; color: #8299a9; font: 600 .54rem var(--mono); letter-spacing: .07em; }

.framework-map figcaption {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #2d465a;
}
.framework-map figcaption div { display: grid; grid-template-columns: auto 1fr; gap: .75rem; padding: .9rem 1rem; background: #091d2e; }
.framework-map figcaption strong { color: var(--signal-light); font: 800 .6rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.framework-map figcaption span { color: #aebfca; font-size: .66rem; line-height: 1.45; }
.engineering-reference-link { display: inline-flex; align-items: center; gap: .75rem; margin-top: 1.5rem; padding: .9rem 1.1rem; color: var(--ink); border: 1px solid var(--line); background: white; font-weight: 800; text-decoration: none; }
.engineering-reference-link span { color: var(--signal); font-size: 1.15rem; }
.engineering-reference-link:hover { color: white; border-color: #9f3d10; background: #9f3d10; }
.engineering-reference-link:hover span { color: white; }
.architecture-responsibility { display: grid; grid-template-columns: auto minmax(240px,.75fr) 1fr; gap: 1rem 2rem; align-items: start; margin-top: 1rem; padding: 1.2rem; color: #d5e1e9; border-left: 4px solid var(--signal); background: #102a43; }
.architecture-responsibility span, .security-boundary-note span { color: var(--signal-light); font: 800 .62rem var(--mono); text-transform: uppercase; }
.architecture-responsibility strong { line-height: 1.45; }
.architecture-responsibility p { margin: 0; color: #aebfca; font-size: .8rem; line-height: 1.65; }
.security-boundary-note { display: grid; grid-template-columns: minmax(230px,.65fr) 1fr auto; gap: 2rem; align-items: center; width: 100%; max-width: 1500px; margin: 1px auto 0; padding: 1.4rem; color: white; background: var(--ink); }
.security-boundary-note div { display: grid; gap: .55rem; }
.security-boundary-note strong { line-height: 1.4; }
.security-boundary-note p { margin: 0; color: #b9c8d2; font-size: .8rem; line-height: 1.65; }
.security-boundary-note a { color: white; font-weight: 800; white-space: nowrap; }

.audience { background: var(--surface); }
.audience-header,
.audience-panel { width: 100%; max-width: 1500px; margin-inline: auto; }
.audience-tabs { background: var(--paper); border-color: var(--line-light); }
.audience-tabs button[aria-selected="true"] { background: var(--ink); }
.audience-panel { margin-top: clamp(3rem, 6vh, 5rem); border: 1px solid var(--line-light); background: var(--line-light); gap: 1px; }
.audience-panel article,
.audience-panel article:first-child { min-height: 290px; background: var(--surface); border: 0; }
.audience-panel article > span { color: var(--signal); }
.audience-panel h3 { margin-top: clamp(4rem, 9vh, 7rem); }
.audience-panel p { color: var(--muted); }

.section-dark,
.proof,
.fit { background: var(--ink); }
.proof-ledger,
.error-ladder { width: 100%; max-width: 1500px; margin-inline: auto; }
.proof-ledger { margin-top: clamp(3rem, 6vh, 5rem); }
.proof-heading > p:last-child,
.proof-ledger p { color: #b7c5cf; }
.proof-ledger strong { color: var(--signal-light); }
.error-ladder { background: #102a43; }
.error-ladder .ladder-best { color: white; background: var(--signal); }

.security { background: var(--paper); }
.permission-chain,
.security-grid { width: 100%; max-width: 1500px; margin-inline: auto; }
.permission-chain { margin-top: clamp(3rem, 6vh, 5rem); }
.permission-chain article { background: var(--surface); }
.permission-chain .chain-boundary { background: var(--blue); border-color: var(--blue); box-shadow: 0 16px 34px rgba(23,74,115,.2); }
.security-grid { margin-top: clamp(3rem, 5vh, 4rem); }
.security-grid article { background: var(--surface); }
.card-kicker { color: #a9400a !important; }

.section-violet,
.ai { background: var(--blue); }
.ai-title,
.ai-columns { width: 100%; max-width: 1500px; margin-inline: auto; }
.ai-columns { margin-top: clamp(3rem, 6vh, 5rem); background: rgba(11,31,51,.12); }
.ai-story { min-height: 560px; }
.story-number,
.ai-story li::before,
.story-result span { color: var(--signal-light); }
.ai-story > p { color: #e0e8ee; }
.ai-runtime { background: rgba(11,31,51,.22); }
.story-result { background: rgba(7,24,39,.34); }

.operations { grid-template-columns: minmax(360px, .9fr) minmax(420px, 1.1fr); max-width: 1700px; margin-inline: auto; background: var(--surface); }
.operations-code { background: linear-gradient(135deg, var(--blue), var(--signal)); box-shadow: 20px 20px 0 var(--paper-2); }
.operations-code pre { background: #071827; }
.operations-copy > p:not(.eyebrow) { color: var(--muted); }
.operations-copy code { color: var(--blue); }

.lineage { background: var(--paper-2); }
.timeline,
.lineage-note { width: 100%; max-width: 1500px; margin-inline: auto; }
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: clamp(3rem, 5vh, 4rem);
  background: var(--line-light);
  border: 1px solid var(--line-light);
}
.timeline li {
  display: block;
  min-height: 255px;
  padding: 1.6rem;
  background: var(--surface);
  border: 0;
}
.timeline li > span { color: var(--signal); }
.timeline h3 { margin: clamp(2.5rem, 6vh, 4rem) 0 .65rem; }
.timeline p { color: var(--muted); }
.timeline code { color: var(--blue); font-family: var(--mono); }
.lineage-note { margin-top: 1px; padding: 2rem; background: var(--ink); }
.lineage-note span { color: var(--signal-light); }

.fit { align-items: center; }
.fit-columns { background: var(--line-dark); }
.fit-columns article { background: var(--ink-2); }
.fit-columns h3 { color: var(--signal-light); }
.fit-columns li { color: #ced9e0; }
.fit-columns li::before { color: var(--signal-light); }

.services { color: white; background: var(--ink); }
.services-heading { display: grid; gap: 3rem; align-items: end; }
.services-heading > p:last-child { color: #bdcbd4; line-height: 1.75; }
.services-body {
  display: grid;
  grid-template-columns: minmax(360px, .85fr) minmax(460px, 1.15fr);
  width: 100%;
  max-width: 1500px;
  margin: clamp(3rem, 6vh, 5rem) auto 0;
  border: 1px solid var(--line-dark);
}
.services-profile { padding: clamp(2rem, 4vw, 4rem); background: var(--ink-2); }
.services-profile .card-kicker { color: var(--signal-light) !important; }
.services-profile h3 { margin: clamp(3.5rem, 8vh, 6rem) 0 1.25rem; font-size: clamp(1.8rem, 3vw, 3.25rem); line-height: 1.05; letter-spacing: -.045em; }
.services-profile > p:not(.card-kicker) { color: #c7d4dd; line-height: 1.75; }
.services-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; margin-top: 2rem; }
.text-link { color: white; font-size: .84rem; font-weight: 750; text-underline-offset: 4px; }
.text-link:hover { color: var(--signal-light); }
.services-list { background: var(--surface); color: var(--ink); }
.services-list article { display: grid; grid-template-columns: 54px 1fr; gap: 1.2rem; padding: 1.5rem 1.8rem; border-bottom: 1px solid var(--line-light); }
.services-list article:last-child { border-bottom: 0; }
.services-list article > span { color: var(--signal); font: 700 .68rem var(--mono); }
.services-list h3 { margin: 0 0 .45rem; font-size: 1.15rem; }
.services-list p { margin: 0; color: var(--muted); font-size: .85rem; line-height: 1.6; }

.closing { background: var(--paper); }
.closing-mark { color: rgba(23,74,115,.055); }
.closing h2 em { color: var(--blue); }
.closing > p:not(.eyebrow) { color: var(--muted); }
.button-dark { color: white; background: var(--ink); border-color: var(--ink); }
.button-dark:hover { color: white; background: #9f3d10; border-color: #9f3d10; }
footer { background: var(--ink); }

@media (max-width: 1100px) {
  .section,
  .positioning { min-height: auto; padding-block: 5.5rem; }
  .hero { min-height: auto; }
  .section-heading,
  .security-intro,
  .lineage-heading,
  .services-heading,
  .positioning { grid-template-columns: 1fr; }
  .section-heading > h2,
  .security-intro > h2,
  .lineage-heading > h2,
  .services-heading > h2,
  .section-heading > p:last-child,
  .security-intro > p:last-child,
  .lineage-heading > p:last-child,
  .services-heading > p:last-child,
  .positioning-label,
  .positioning blockquote,
  .positioning > p {
    grid-column: 1;
    justify-self: start;
  }
  .section-heading > p:last-child,
  .security-intro > p:last-child,
  .lineage-heading > p:last-child,
  .services-heading > p:last-child,
  .positioning > p { max-width: 680px; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .services-body { grid-template-columns: 1fr; }
  .services-profile h3 { margin-top: 3.5rem; }
  .architecture-heading { grid-template-columns: 1fr; }
  .architecture-heading h2,
  .architecture-heading > p:last-child { grid-column: 1; justify-self: start; }
  .architecture-heading > p:last-child { max-width: 680px; }
  .runtime-zone { grid-template-columns: 1fr; }
  .operations-bridge { min-height: 240px; }
}

@media (max-width: 720px) {
  .site-header { height: 64px; }
  .site-nav a { display: none; }
  .site-nav .nav-cta { display: inline-flex; font-size: .68rem; }
  .hero { min-height: calc(100svh - 64px); }
  .hero h1 { font-size: clamp(3rem, 16vw, 4.8rem); }
  .section,
  .positioning { padding: 4.5rem 1.25rem; }
  .timeline { grid-template-columns: 1fr; }
  .timeline li { min-height: auto; }
  .timeline h3 { margin-top: 2.5rem; }
  .services-list article { grid-template-columns: 38px 1fr; padding-inline: 1.2rem; }
  .services-actions { align-items: stretch; flex-direction: column; }
  .services-actions .button { width: 100%; }
  .intent-items,
  .generator-actions,
  .framework-map figcaption { grid-template-columns: 1fr 1fr; }
  .intent-items .intent-primary,
  .framework-map figcaption div:last-child { grid-column: 1 / -1; }
  .architecture-responsibility,
  .security-boundary-note { grid-template-columns: 1fr; }
  .security-boundary-note a { justify-self: start; }
}

/* Responsive primary navigation */
.nav-toggle,
.mobile-nav-group { display: none; }

.nav-toggle {
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--ink);
  border: 1px solid rgba(11,31,51,.22);
  background: transparent;
  cursor: pointer;
}
.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle-lines { position: relative; }
.nav-toggle-lines::before,
.nav-toggle-lines::after { position: absolute; left: 0; content: ""; }
.nav-toggle-lines::before { top: -6px; }
.nav-toggle-lines::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1000px) {
  .site-header { z-index: 200; }
  .js .nav-toggle { display: block; margin-left: auto; }
  .js .site-nav {
    position: fixed;
    inset: 68px 0 auto auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: min(420px, 100%);
    max-height: calc(100dvh - 68px);
    padding: 1rem 1.25rem 1.5rem;
    overflow-y: auto;
    visibility: hidden;
    background: #f5f5f5;
    border-top: 1px solid #d4dde4;
    box-shadow: -18px 28px 48px rgba(5,22,36,.2);
    transform: translateX(105%);
    transition: transform .24s ease, visibility .24s;
  }
  .js .site-nav.is-open { visibility: visible; transform: translateX(0); }
  .js .site-nav > a,
  .js .site-nav .mobile-nav-group > a,
  .js .docs-header .site-nav > a {
    display: flex !important;
    align-items: center;
    min-height: 50px;
    padding: .7rem .2rem;
    color: var(--ink);
    border-bottom: 1px solid #d8e0e6;
    font-size: .92rem;
  }
  .js .site-nav .nav-cta {
    justify-content: center;
    margin-top: 1rem;
    padding-inline: 1rem;
    color: #ffffff !important;
    background: #0b1f33 !important;
    border-bottom: 0;
  }
  .js .site-nav .nav-cta:hover,
  .js .site-nav .nav-cta:focus-visible {
    color: #ffffff !important;
    background: #9f3d10 !important;
  }
  .mobile-nav-group { display: grid; margin-top: .8rem; }
  .mobile-nav-group > span {
    padding: .8rem .2rem .35rem;
    color: #526473;
    font: 800 .62rem var(--mono);
    letter-spacing: .09em;
    text-transform: uppercase;
  }
  body.nav-is-open { overflow: hidden; }
  body.nav-is-open::before {
    position: fixed;
    inset: 68px 0 0;
    z-index: 150;
    content: "";
    background: rgba(5,22,36,.58);
  }
}

.site-nav a:focus-visible,
.button:focus-visible,
.page-next a:focus-visible,
.engineering-reference-link:focus-visible,
.text-link:focus-visible {
  outline: 3px solid #ffad7f;
  outline-offset: 3px;
}

@media (max-width: 720px) {
  .js .site-nav { inset-block-start: 64px; max-height: calc(100dvh - 64px); }
  body.nav-is-open::before { inset-block-start: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav,
  .nav-toggle-lines,
  .nav-toggle-lines::before,
  .nav-toggle-lines::after { transition: none !important; }
}