:root {
  --paper: #edf2f1;
  --paper-strong: #f8faf8;
  --ink: #071824;
  --muted: #415764;
  --rule: #a3b3b8;
  --blue: #bed6ea;
  --blue-dark: #0f5b9a;
  --green: #cce6c9;
  --green-dark: #1a653b;
  --orange: #ef5b18;
  --orange-dark: #9b3408;
  --display: "DIN Condensed", "Arial Narrow", "Aptos Narrow", sans-serif;
  --body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 400 16px/1.5 var(--body);
}

a { color: inherit; }

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.site-header {
  min-height: 58px;
  padding: 7px clamp(18px, 3vw, 44px);
  display: flex;
  align-items: center;
  gap: 22px;
  background: var(--paper-strong);
  border-bottom: 1px solid var(--ink);
}

.wordmark,
h1,
h2,
h3,
.descriptor,
.node-kind,
.route-strip strong,
.goal-strip span,
.route-rack figcaption,
.rack-columns,
.install-command > p,
.execution-sequence strong,
.site-footer > span {
  font-family: var(--display);
  font-stretch: condensed;
  font-weight: 800;
  letter-spacing: .025em;
  text-transform: uppercase;
}

.wordmark { font-size: 1.25rem; letter-spacing: .06em; text-decoration: none; white-space: nowrap; }
.descriptor { margin: 0; color: var(--muted); font-size: .76rem; white-space: nowrap; }

.site-header nav { margin-left: auto; display: flex; align-items: center; gap: clamp(9px, 1.7vw, 24px); }
.site-header nav a,
.site-footer nav a { min-height: 40px; display: inline-flex; align-items: center; font-size: .75rem; font-weight: 750; text-decoration: none; text-transform: uppercase; }
.site-header nav a:not(.nav-install):hover,
.site-footer a:hover,
.button-secondary:hover,
.issue-list a:hover { color: var(--blue-dark); }

.nav-install,
.button-primary {
  min-height: 44px;
  padding: 0 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: var(--orange);
  border: 1px solid var(--orange-dark);
  font-weight: 850;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-install:hover,
.button-primary:hover { background: #ff6f2c; }

.hero {
  max-width: 1480px;
  min-height: 600px;
  margin: 0 auto;
  padding: clamp(30px, 5vw, 70px) clamp(18px, 4vw, 60px) 28px;
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(580px, 1.22fr);
  align-items: center;
  gap: clamp(32px, 5vw, 84px);
}

.hero-copy { max-width: 470px; }
h1 { max-width: 11.5ch; margin: 0; font-size: clamp(3rem, 5vw, 5.55rem); line-height: .92; letter-spacing: -.03em; }

.definition-callout { max-width: 40ch; margin: 25px 0 0; padding-top: 19px; border-top: 2px solid var(--ink); }
.definition-callout p { margin: 0; }
.definition-callout strong { font-weight: 760; }

.mobile-route-proof { display: none; }

.hero-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }
.button-secondary { min-height: 44px; padding: 0 17px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--ink); font-weight: 800; text-decoration: none; text-transform: uppercase; }

.install-command { margin-top: 27px; max-width: 460px; padding: 12px 14px 13px; background: #e2ebeb; border: 1px solid var(--rule); }
.install-command > p { margin: 0 0 7px; color: var(--muted); font-size: .72rem; }
.install-command code { display: block; overflow-wrap: anywhere; font: .76rem/1.55 var(--mono); }

.route-rack { min-width: 0; margin: 0; padding: 0 0 14px; background: var(--paper-strong); border: 1px solid var(--ink); }
.route-rack figcaption { padding: 11px 18px; color: #fff; background: var(--ink); font-size: .92rem; }
.rack-note { margin: 0; padding: 10px 18px; color: var(--muted); font-size: .77rem; line-height: 1.35; border-bottom: 1px solid var(--rule); }
.rack-columns { padding: 7px 18px; display: grid; grid-template-columns: minmax(130px, .85fr) minmax(210px, 1.8fr) minmax(120px, .85fr); color: var(--muted); font-size: .65rem; border-bottom: 1px solid var(--rule); }

.rack-list,
.rack-list ol { margin: 0; padding: 0; list-style: none; }
.rack-list { padding: 11px 14px 0; }
.rack-list li { margin-top: 7px; }
.rack-list ol { margin: 7px 0 0 28px; padding-left: 14px; border-left: 1px solid var(--rule); }

.route-strip {
  min-height: 43px;
  display: grid;
  grid-template-columns: 72px minmax(110px, .9fr) minmax(210px, 1.8fr) minmax(120px, .85fr);
  align-items: center;
  background: var(--blue);
  border: 1px solid var(--ink);
}

.route-strip > * { min-width: 0; padding: 7px 9px; border-right: 1px solid rgba(7, 24, 36, .32); }
.route-strip > *:last-child { border-right: 0; }
.node-kind { color: var(--blue-dark); font-size: .62rem; line-height: 1.2; }
.route-strip strong { font-size: .84rem; line-height: 1.05; }
.route-strip span:not(.node-kind) { font-size: .76rem; line-height: 1.25; }
.parent-strip { background: #d1e2ef; }
.leaf-strip { background: #e5eef1; }
.review-strip { background: var(--green); }
.rack-list ol .route-strip { position: relative; }
.rack-list ol .route-strip::before { position: absolute; left: -15px; top: 50%; width: 14px; border-top: 1px solid var(--ink); content: ""; }

.goal-strip { margin: 12px 14px 0 57px; padding: 10px 12px; display: flex; align-items: center; gap: 18px; color: var(--green-dark); background: var(--green); border: 1px solid var(--ink); }
.goal-strip span { font-size: .7rem; }
.goal-strip strong { font-size: .8rem; }

.operating-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 1.06fr) minmax(0, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: #e5eded;
}

.operating-band article { min-width: 0; padding: clamp(26px, 3vw, 42px) clamp(20px, 3vw, 48px); }
.operating-band article + article { border-left: 1px solid var(--rule); }
h2 { margin: 0; font-size: clamp(1.3rem, 2.25vw, 2rem); line-height: 1; letter-spacing: -.018em; }

.execution-sequence ol { margin: 21px 0 0; padding: 0; list-style: none; }
.execution-sequence li { padding: 13px 0; display: grid; grid-template-columns: 108px 1fr; gap: 12px; border-top: 1px solid var(--rule); }
.execution-sequence li:last-child { border-bottom: 1px solid var(--rule); }
.execution-sequence strong { color: var(--blue-dark); font-size: .79rem; }
.execution-sequence span { font-size: .82rem; line-height: 1.4; }

.config-panel p,
.safety-panel p { margin: 14px 0 0; color: var(--muted); font-size: .88rem; }
.config-panel pre { max-height: 290px; overflow: auto; margin: 17px 0 0; padding: 16px; color: #d9f2e4; background: var(--ink); border: 1px solid #254250; }
pre code,
.config-panel code { font-family: var(--mono); }
.config-panel pre code { font-size: .74rem; line-height: 1.48; }

.knowledge { max-width: 1240px; margin: 0 auto; padding: clamp(54px, 8vw, 100px) clamp(18px, 4vw, 52px); }
.knowledge-intro { max-width: 800px; }
.knowledge-intro p { max-width: 67ch; margin: 18px 0 0; color: var(--muted); }

.comparison { margin-top: clamp(48px, 7vw, 84px); }
.comparison > h2 { margin-bottom: 23px; }
.comparison-table { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.comparison-row { display: grid; grid-template-columns: .86fr 1fr 1fr; }
.comparison-row > span { padding: 14px 16px; border-bottom: 1px solid var(--rule); }
.comparison-row:last-child > span { border-bottom: 0; }
.comparison-row > span + span { border-left: 1px solid var(--rule); }
.comparison-head { color: #fff; background: var(--ink); font-family: var(--display); font-size: .78rem; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; }
.comparison-row:not(.comparison-head) { font-size: .87rem; }
.comparison-row [role="rowheader"] { font-weight: 760; }

.faq { max-width: 800px; margin-top: clamp(52px, 8vw, 98px); }
.faq > h2 { margin-bottom: 20px; }
details { border-top: 1px solid var(--ink); }
details:last-child { border-bottom: 1px solid var(--ink); }
summary { min-height: 48px; padding: 13px 0; cursor: pointer; font-weight: 760; }
details p { max-width: 68ch; margin: 0; padding: 0 0 17px; color: var(--muted); font-size: .92rem; }

.contribute { padding: clamp(42px, 6vw, 72px) clamp(18px, 4vw, 52px); display: grid; grid-template-columns: minmax(240px, .75fr) minmax(0, 1.25fr); gap: clamp(34px, 8vw, 130px); background: #d8e5e5; border-top: 1px solid var(--ink); }
.contribute > div { max-width: 460px; }
.contribute p { margin: 15px 0 0; color: var(--muted); }
.issue-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.issue-list li { border-bottom: 1px solid var(--rule); }
.issue-list a { min-height: 43px; padding: 11px 0; display: flex; align-items: center; font-weight: 720; text-decoration: none; }

.site-footer { min-height: 68px; padding: 12px clamp(18px, 4vw, 52px); display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #fff; background: var(--ink); }
.site-footer > span { font-size: .84rem; }
.site-footer nav { display: flex; gap: 18px; }
.site-footer a { font-size: .75rem; font-weight: 700; text-decoration: none; text-transform: uppercase; }

@media (max-width: 1040px) {
  .site-header { flex-wrap: wrap; gap: 8px 18px; }
  .site-header nav { order: 3; width: 100%; justify-content: space-between; }
  .hero { grid-template-columns: minmax(280px, .8fr) minmax(450px, 1.2fr); gap: 32px; }
  .route-strip { grid-template-columns: 60px minmax(95px, .8fr) minmax(160px, 1.5fr) minmax(94px, .7fr); }
  .rack-columns { grid-template-columns: minmax(104px, .8fr) minmax(160px, 1.5fr) minmax(94px, .7fr); }
  .operating-band { grid-template-columns: 1fr 1fr; }
  .safety-panel { grid-column: 1 / -1; border-top: 1px solid var(--rule); border-left: 0 !important; }
}

@media (max-width: 760px) {
  .site-header { padding-top: 10px; }
  .descriptor { order: 2; width: 100%; white-space: normal; }
  .site-header nav { gap: 6px; overflow-x: auto; }
  .site-header nav a { flex: 0 0 auto; font-size: .69rem; }
  .nav-install { padding: 0 12px; }
  .hero { min-height: 0; padding-top: 36px; display: block; }
  h1 { max-width: 10.8ch; font-size: clamp(2.8rem, 13vw, 4.1rem); }
  .hero-copy { max-width: none; }
  .mobile-route-proof,
  .mobile-route-proof ol { margin: 0; padding: 0; list-style: none; }
  .mobile-route-proof { margin-top: 22px; padding: 10px; display: block; background: var(--paper-strong); border: 1px solid var(--ink); }
  .mobile-route-proof ol { margin: 6px 0 0 15px; padding-left: 11px; border-left: 1px solid var(--rule); }
  .mobile-route-proof span,
  .mobile-route-proof strong { padding: 6px 8px; display: block; background: var(--blue); border: 1px solid var(--ink); font-family: var(--display); font-size: .72rem; font-weight: 800; letter-spacing: .025em; text-transform: uppercase; }
  .mobile-route-proof ol span { position: relative; }
  .mobile-route-proof ol span::before { position: absolute; top: 50%; left: -12px; width: 11px; border-top: 1px solid var(--ink); content: ""; }
  .mobile-goal strong { margin-top: 8px; color: var(--green-dark); background: var(--green); }
  .route-rack { margin-top: 42px; }
  .rack-columns { display: none; }
  .rack-list { padding: 10px; }
  .rack-list ol { margin-left: 12px; padding-left: 10px; }
  .route-strip { grid-template-columns: 64px 1fr; }
  .route-strip > * { padding: 8px; }
  .route-strip strong { border-right: 0; }
  .route-strip span:nth-of-type(1) { grid-column: 1; grid-row: 1; }
  .route-strip > strong { grid-column: 2; grid-row: 1; }
  .route-strip span:nth-of-type(2) { grid-column: 1 / -1; grid-row: 2; border-top: 1px solid rgba(7, 24, 36, .32); border-right: 0; }
  .route-strip span:nth-of-type(3) { grid-column: 1 / -1; grid-row: 3; color: var(--muted); border-top: 1px solid rgba(7, 24, 36, .32); border-right: 0; }
  .goal-strip { margin-left: 22px; }
  .operating-band { display: block; }
  .operating-band article + article { border-top: 1px solid var(--rule); border-left: 0; }
  .execution-sequence li { grid-template-columns: 1fr; gap: 4px; }
  .config-panel pre { padding: 14px; }
  .comparison-row { display: block; padding: 13px 0; border-bottom: 1px solid var(--rule); }
  .comparison-row > span { display: block; padding: 4px 0; border: 0 !important; }
  .comparison-row:last-child { border-bottom: 0; }
  .comparison-head { display: none; }
  .comparison-row > span::before { display: block; color: var(--muted); font-family: var(--display); font-size: .68rem; font-weight: 800; letter-spacing: .03em; text-transform: uppercase; }
  .comparison-row > span:nth-child(1)::before { content: "Question"; }
  .comparison-row > span:nth-child(2)::before { content: "CodeCanopy"; }
  .comparison-row > span:nth-child(3)::before { content: "Unbounded swarm pattern"; }
  .contribute { display: block; }
  .issue-list { margin-top: 31px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .site-footer nav { flex-wrap: wrap; gap: 8px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}