@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,400;6..72,500&display=swap');

:root {
  --ink: #10211d;
  --ink-soft: #1b302a;
  --paper: #f2efe5;
  --paper-deep: #e6e1d4;
  --white: #fffdf6;
  --moss: #1d5b4f;
  --acid: #c8f66f;
  --coral: #ff8068;
  --sky: #93c8ca;
  --line: rgba(16, 33, 29, 0.18);
  --muted: #69756f;
  --sans: 'Manrope', system-ui, -apple-system, sans-serif;
  --serif: 'Newsreader', Georgia, serif;
  --mono: 'DM Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --page-pad: clamp(1.25rem, 4vw, 4.5rem);
  --section-pad: clamp(5rem, 10vw, 9rem);
  --radius: 0.35rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { color: var(--ink); background: var(--acid); }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  color: var(--ink);
  background: var(--acid);
  transform: translateY(-180%);
  transition: transform 150ms ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  min-height: 5.5rem;
  padding: 0 var(--page-pad);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 253, 246, 0.16);
}

.brand {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  width: max-content;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
}
.brand-mark { width: 2rem; height: 2rem; overflow: visible; }
.brand-mark circle { fill: var(--acid); stroke: none; }
.brand-mark circle:nth-child(2) { fill: var(--white); }
.brand-mark circle:nth-child(3) { fill: var(--coral); }
.brand-mark path { fill: none; stroke: currentColor; stroke-width: 1.6; }

.site-header nav { display: flex; gap: clamp(1.2rem, 3vw, 2.5rem); }
.site-header nav a,
.header-github {
  color: inherit;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-header nav a { position: relative; }
.site-header nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.3rem;
  left: 0;
  height: 1px;
  background: var(--acid);
  content: '';
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}
.site-header nav a:hover::after,
.site-header nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; gap: 1rem; align-items: center; justify-self: end; }
.language-link,
.header-github { color: inherit; font-size: 0.76rem; font-weight: 600; letter-spacing: 0.08em; text-decoration: none; text-transform: uppercase; }
.language-link { padding-right: 1rem; border-right: 1px solid rgba(255, 253, 246, 0.24); }
.language-link:hover, .language-link:focus-visible { color: var(--acid); }
.header-github span { color: var(--acid); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(28rem, 0.95fr);
  min-height: 50rem;
  padding: clamp(9rem, 14vw, 11rem) var(--page-pad) clamp(5rem, 8vw, 7rem);
  color: var(--white);
  background: var(--ink);
}
.hero-copy { align-self: center; max-width: 49rem; padding-right: clamp(2rem, 6vw, 7rem); }
.eyebrow,
.section-kicker,
.feature-code {
  margin: 0 0 1.7rem;
  font-family: var(--mono);
  font-size: 0.69rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow { display: flex; gap: 0.7rem; align-items: center; color: var(--acid); }
.eyebrow span { width: 1.7rem; height: 1px; background: currentColor; }
.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(4rem, 7.5vw, 8.25rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.88;
  text-wrap: balance;
}
.hero-lede {
  max-width: 44rem;
  margin: 2.5rem 0 0;
  color: rgba(255, 253, 246, 0.72);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; margin-top: 2.5rem; }
.button {
  display: inline-flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.81rem;
  font-weight: 700;
  letter-spacing: 0.025em;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, border 160ms ease, transform 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--acid); }
.button-primary:hover { background: var(--white); }
.button-secondary { color: var(--white); border-color: rgba(255,255,255,0.35); }
.button-secondary:hover { border-color: var(--white); }
.button-light { color: var(--ink); background: var(--white); }
.button-light:hover { background: var(--acid); }
.project-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.7rem;
  margin: 2.8rem 0 0;
  padding: 0;
  color: rgba(255, 253, 246, 0.5);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  list-style: none;
  text-transform: uppercase;
}
.project-facts li:not(:first-child)::before { margin-right: 1.7rem; color: var(--coral); content: '·'; }

.graph-panel {
  position: relative;
  align-self: stretch;
  min-height: 38rem;
  overflow: hidden;
  border: 1px solid rgba(255, 253, 246, 0.16);
  background-color: #142a24;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 34px 34px;
}
.panel-label {
  position: absolute;
  top: 1.1rem;
  left: 1.2rem;
  z-index: 2;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.knowledge-graph { width: 100%; height: 100%; }
.edges path { fill: none; stroke: rgba(255,253,246,0.32); stroke-width: 1.5; stroke-dasharray: 5 7; animation: dash 18s linear infinite; }
.node circle { fill: var(--ink-soft); stroke: rgba(255,253,246,0.5); stroke-width: 1.25; }
.node text { fill: var(--white); font-family: var(--mono); font-size: 12px; text-anchor: middle; }
.node.source circle:first-child { fill: var(--acid); stroke: none; }
.node.source text { fill: var(--ink); }
.node.evidence circle { fill: var(--coral); stroke: none; }
.node.evidence text { fill: var(--ink); }
.node.graph circle { fill: var(--moss); stroke: var(--acid); }
.node.hypothesis circle { fill: var(--white); stroke: none; }
.node.hypothesis text { fill: var(--ink); font-size: 10px; }
.node .pulse { fill: none; stroke: var(--acid); opacity: 0; animation: pulse 2.8s ease-out infinite; }
.edge-labels text { fill: rgba(255,253,246,0.45); font-family: var(--mono); font-size: 9px; }
.panel-note {
  position: absolute;
  right: 1.2rem;
  bottom: 1.1rem;
  left: 1.2rem;
  display: flex;
  gap: 0.8rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,253,246,.18);
  color: rgba(255,253,246,.62);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.panel-note span { color: var(--acid); }

.statement {
  display: grid;
  grid-template-columns: 0.35fr 1fr;
  gap: 3rem;
  padding: var(--section-pad) var(--page-pad);
}
.section-kicker { color: var(--moss); }
.statement h2,
.section-heading h2,
.agent-intro h2,
.closing h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 6.7rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.95;
  text-wrap: balance;
}
.statement > div > p {
  max-width: 48rem;
  margin: 2rem 0 0 auto;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 var(--page-pad) var(--section-pad);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pipeline-step { min-height: 18rem; padding: 1.5rem; border-right: 1px solid var(--line); }
.pipeline-step:last-child { border-right: 0; }
.pipeline-step span { color: var(--moss); font-family: var(--mono); font-size: 0.68rem; }
.pipeline-step h3 { margin: 6rem 0 0.75rem; font-size: 1.15rem; letter-spacing: -0.025em; }
.pipeline-step p { max-width: 18rem; margin: 0; color: var(--muted); font-size: 0.86rem; }

.section-dark { color: var(--white); background: var(--ink); }
.possibilities { display: grid; grid-template-columns: 0.7fr 1fr; gap: clamp(3rem, 7vw, 8rem); padding: var(--section-pad) var(--page-pad); }
.section-heading .section-kicker { margin-bottom: 2rem; }
.section-dark .section-kicker { color: var(--acid); }
.section-heading h2 { font-size: clamp(3.4rem, 6vw, 6.5rem); }
.possibility-list { border-top: 1px solid rgba(255,253,246,.2); }
.possibility {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  gap: 1.2rem;
  align-items: start;
  padding: 1.8rem 0;
  border-bottom: 1px solid rgba(255,253,246,.2);
}
.possibility-index { color: var(--coral); font-family: var(--serif); font-size: 1.5rem; font-style: italic; }
.possibility h3 { margin: 0 0 0.45rem; font-size: 1.05rem; }
.possibility p { max-width: 38rem; margin: 0; color: rgba(255,253,246,.57); font-size: 0.88rem; }
.possibility-tag { padding: 0.3rem 0.55rem; color: var(--acid); border: 1px solid rgba(200,246,111,.35); font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.05em; text-transform: uppercase; }

.source-atlas { padding: var(--section-pad) var(--page-pad); color: var(--white); background: var(--moss); }
.source-atlas > .section-heading { display: grid; grid-template-columns: 0.35fr 1fr; gap: 3rem; margin-bottom: clamp(3rem, 6vw, 6rem); }
.source-atlas .section-kicker { color: var(--acid); }
.source-atlas .section-heading h2 { max-width: 13ch; }
.source-intro { grid-column: 2; max-width: 50rem; margin: 0; color: rgba(255,253,246,.68); font-size: clamp(1rem, 1.4vw, 1.18rem); }
.source-ledger { border-top: 1px solid rgba(255,253,246,.25); }
.source-band { display: grid; grid-template-columns: minmax(16rem,.65fr) 1fr; gap: clamp(2rem, 6vw, 7rem); padding: clamp(2rem, 4vw, 3.5rem) 0; border-bottom: 1px solid rgba(255,253,246,.25); }
.source-band > div { position: relative; padding-left: 1.6rem; }
.status-dot { position: absolute; top: .35rem; left: 0; width: .65rem; height: .65rem; border-radius: 50%; background: var(--acid); }
.source-staged .status-dot { background: var(--coral); }
.source-future .status-dot { background: var(--sky); }
.source-band .feature-code { margin-bottom: 1rem; color: rgba(255,253,246,.58); }
.source-band h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 3rem); font-weight: 400; letter-spacing: -.035em; line-height: 1; }
.source-band > p { max-width: 53rem; margin: 0; color: rgba(255,253,246,.72); }
.exclusion-note { display: grid; grid-template-columns: .65fr 1fr; gap: clamp(2rem, 6vw, 7rem); padding: 2rem 0 0; font-size: .88rem; }
.exclusion-note strong { color: var(--acid); }
.exclusion-note span { color: rgba(255,253,246,.68); }

.features { padding: var(--section-pad) var(--page-pad); }
.features > .section-heading { display: grid; grid-template-columns: 0.35fr 1fr; gap: 3rem; margin-bottom: clamp(4rem, 7vw, 7rem); }
.features .section-heading h2 { max-width: 13ch; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature {
  min-height: 21rem;
  padding: clamp(1.7rem, 4vw, 3.5rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.feature-wide { grid-column: span 2; }
.feature-accent { background: var(--acid); }
.feature-code { color: var(--moss); }
.feature h3 { max-width: 15ch; margin: clamp(4rem, 8vw, 8rem) 0 1rem; font-family: var(--serif); font-size: clamp(2rem, 3vw, 3.3rem); font-weight: 400; letter-spacing: -0.04em; line-height: 1; }
.feature-wide h3 { margin-top: 2rem; }
.feature p:last-child { max-width: 45rem; margin-bottom: 0; color: var(--muted); }
.feature-accent p:last-child { color: rgba(16,33,29,.72); }
code { font-family: var(--mono); font-size: 0.86em; }

.section-paper { background: var(--white); }
.routes { padding: var(--section-pad) var(--page-pad); }
.routes > .section-heading { margin-bottom: 4rem; }
.route-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.route {
  display: grid;
  grid-template-columns: 2.4rem 1fr auto;
  gap: 1.1rem;
  min-height: 11rem;
  padding: 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background 170ms ease;
}
.route:hover { background: var(--acid); }
.route-number { color: var(--moss); font-family: var(--mono); font-size: 0.68rem; }
.route h3 { margin: 0 0 0.55rem; font-size: 1.05rem; }
.route p { max-width: 26rem; margin: 0; color: var(--muted); font-size: 0.82rem; }
.route-arrow { align-self: end; font-size: 1.35rem; transition: transform 170ms ease; }
.route:hover .route-arrow { transform: translate(3px, -3px); }

.agent-section {
  display: grid;
  grid-template-columns: minmax(18rem, 0.68fr) minmax(0, 1fr);
  gap: clamp(3rem, 8vw, 9rem);
  padding: var(--section-pad) var(--page-pad);
  background: var(--paper-deep);
}
.agent-intro { position: sticky; top: 2rem; align-self: start; }
.agent-intro h2 { font-size: clamp(3rem, 5vw, 5.4rem); }
.agent-intro > p:last-child { max-width: 34rem; margin-top: 2rem; color: var(--muted); }
.prompt-stack { display: grid; gap: 1rem; }
.prompt-card { overflow: hidden; border: 1px solid var(--ink); background: var(--ink); }
.prompt-meta { display: flex; align-items: center; justify-content: space-between; padding: 0.8rem 1rem; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.15); font-family: var(--mono); font-size: 0.68rem; letter-spacing: .08em; text-transform: uppercase; }
.copy-button { min-width: 4.5rem; padding: .45rem .7rem; color: var(--acid); border: 1px solid rgba(200,246,111,.4); border-radius: var(--radius); background: transparent; cursor: pointer; font-family: var(--mono); font-size: .62rem; text-transform: uppercase; }
.copy-button:hover, .copy-button:focus-visible { color: var(--ink); background: var(--acid); }
.copy-button.is-copied { color: var(--ink); background: var(--acid); }
.prompt-card pre { margin: 0; padding: clamp(1.2rem, 3vw, 2rem); overflow: auto; color: rgba(255,253,246,.75); white-space: pre-wrap; }
.prompt-card code { font-size: 0.76rem; line-height: 1.75; }

.closing {
  position: relative;
  display: grid;
  grid-template-columns: .55fr 1fr;
  min-height: 40rem;
  padding: var(--section-pad) var(--page-pad);
  overflow: hidden;
  color: var(--white);
  background: var(--moss);
}
.closing-mark { align-self: center; color: var(--acid); font-family: var(--serif); font-size: clamp(14rem, 30vw, 36rem); line-height: .7; opacity: .16; }
.closing > div:last-child { position: relative; z-index: 1; align-self: center; }
.closing .section-kicker { color: var(--acid); }
.closing h2 { font-size: clamp(3.4rem, 6vw, 6.5rem); }
.text-link { margin-left: 1rem; color: var(--white); font-size: .8rem; text-underline-offset: 5px; }

/* Architecture decision page */
.decision-page { background: var(--white); }
.decision-hero {
  min-height: 48rem;
  padding: clamp(10rem, 15vw, 13rem) var(--page-pad) clamp(5rem, 9vw, 8rem);
  color: var(--white);
  background: var(--ink);
}
.decision-hero h1 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(4.6rem, 10vw, 10rem);
  font-weight: 400;
  letter-spacing: -.06em;
  line-height: .84;
}
.decision-deck { max-width: 58rem; margin: 3rem 0 0 auto; color: rgba(255,253,246,.72); font-size: clamp(1.15rem, 2vw, 1.55rem); }
.decision-thesis { display: grid; grid-template-columns: .3fr 1fr; gap: 3rem; margin-top: clamp(4rem, 9vw, 8rem); padding-top: 1.5rem; border-top: 1px solid rgba(255,253,246,.22); }
.decision-thesis span { color: var(--acid); font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; }
.decision-thesis strong { max-width: 52rem; font-family: var(--serif); font-size: clamp(1.8rem, 3.5vw, 3.5rem); font-weight: 400; letter-spacing: -.035em; line-height: 1.05; }
.decision-section { display: grid; grid-template-columns: .18fr 1fr; gap: clamp(2rem, 6vw, 7rem); padding: var(--section-pad) var(--page-pad); }
.decision-index { color: var(--coral); font-family: var(--serif); font-size: clamp(3rem, 6vw, 6rem); font-style: italic; line-height: 1; }
.decision-copy { max-width: 72rem; }
.decision-copy h2, .projection-callout h2, .decision-summary h2 { margin: 0; font-family: var(--serif); font-size: clamp(3.3rem, 7vw, 7rem); font-weight: 400; letter-spacing: -.055em; line-height: .93; }
.decision-lede { max-width: 58rem; margin: 2.5rem 0 1.5rem; color: var(--ink); font-size: clamp(1.15rem, 2vw, 1.45rem); }
.decision-copy > p:not(.section-kicker):not(.decision-lede) { max-width: 52rem; color: var(--muted); }
.decision-contrast { display: grid; grid-template-columns: 1fr 1fr; margin: 0 var(--page-pad) var(--section-pad); border: 1px solid var(--line); }
.decision-contrast article { min-height: 30rem; padding: clamp(2rem, 5vw, 4.5rem); }
.decision-contrast article + article { border-left: 1px solid var(--line); }
.decision-contrast-accent { background: var(--acid); }
.decision-contrast h3 { max-width: 12ch; margin: clamp(4rem, 8vw, 8rem) 0 2rem; font-family: var(--serif); font-size: clamp(2.5rem, 4vw, 4.5rem); font-weight: 400; letter-spacing: -.045em; line-height: 1; }
.decision-contrast ul { margin: 0; padding-left: 1.2rem; color: var(--muted); }
.decision-contrast-accent ul { color: rgba(16,33,29,.72); }
.doctrine-list { margin-top: 4rem; border-top: 1px solid var(--line); }
.doctrine-list article { display: grid; grid-template-columns: 3rem 1fr; gap: 1.5rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.doctrine-list article > span { color: var(--coral); font-family: var(--serif); font-size: 1.7rem; font-style: italic; }
.doctrine-list h3, .causal-rules h3, .neo-ledger h3 { margin: 0 0 .55rem; font-size: 1.05rem; }
.doctrine-list p, .causal-rules p, .neo-ledger p { max-width: 48rem; margin: 0; color: var(--muted); font-size: .92rem; }
.decision-dark { color: var(--white); background: var(--ink); }
.decision-dark .decision-index { color: var(--acid); }
.decision-dark .section-kicker { color: var(--acid); }
.decision-dark .decision-lede { color: rgba(255,253,246,.75); }
.causal-equation { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin: 4rem 0; padding: 2rem; border: 1px solid rgba(255,253,246,.2); background: var(--ink-soft); font-family: var(--mono); font-size: clamp(.75rem, 1.4vw, 1rem); }
.causal-equation span { padding: .65rem .8rem; border: 1px solid rgba(200,246,111,.35); }
.causal-equation b { color: var(--coral); }
.causal-equation strong { color: var(--acid); }
.status-disclosure { display: grid; grid-template-columns: .48fr 1fr; gap: 2rem; margin: 0 0 2rem; padding: 1.5rem; color: var(--ink); background: var(--acid); }
.status-disclosure strong { font-family: var(--serif); font-size: clamp(1.5rem, 2.5vw, 2.4rem); font-weight: 400; letter-spacing: -.035em; line-height: 1; }
.status-disclosure span { color: rgba(16,33,29,.72); font-size: .88rem; }
.causal-rules { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,253,246,.2); border-left: 1px solid rgba(255,253,246,.2); }
.causal-rules article { min-height: 14rem; padding: 1.7rem; border-right: 1px solid rgba(255,253,246,.2); border-bottom: 1px solid rgba(255,253,246,.2); }
.causal-rules p { color: rgba(255,253,246,.58); }
.neo-ledger { display: grid; grid-template-columns: 1fr 1fr; margin-top: 4rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.neo-ledger article { min-height: 16rem; padding: 1.7rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.neo-ledger article > span { color: var(--moss); font-family: var(--mono); font-size: .68rem; }
.neo-ledger h3 { margin-top: 4rem; }
.projection-callout { padding: var(--section-pad) var(--page-pad); color: var(--white); background: var(--moss); }
.projection-callout .section-kicker, .decision-summary .section-kicker { color: var(--acid); }
.projection-callout h2 { max-width: 13ch; }
.projection-callout > p:not(.section-kicker) { max-width: 58rem; margin: 2.5rem 0 0 auto; color: rgba(255,253,246,.72); font-size: clamp(1rem, 1.5vw, 1.25rem); }
.projection-flow { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 4rem; padding-top: 2rem; border-top: 1px solid rgba(255,253,246,.25); font-family: var(--mono); font-size: .75rem; text-transform: uppercase; }
.projection-flow span { padding: .8rem 1rem; border: 1px solid rgba(255,253,246,.3); }
.projection-flow b { color: var(--acid); }
.decision-summary { padding: var(--section-pad) var(--page-pad); color: var(--white); background: var(--ink); }
.decision-summary h2 { max-width: 15ch; }
.decision-summary > p:not(.section-kicker) { max-width: 48rem; margin: 2.5rem 0 0; color: rgba(255,253,246,.62); }
.decision-sources { display: flex; flex-wrap: wrap; gap: .8rem 1.8rem; padding: 2rem var(--page-pad); border-top: 1px solid var(--line); background: var(--paper-deep); font-size: .76rem; }
.decision-sources strong { color: var(--moss); font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.decision-sources a { color: var(--muted); text-underline-offset: 4px; }

footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2rem var(--page-pad);
  color: var(--white);
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,.15);
}
.footer-brand .brand-mark { color: var(--white); }
footer p { margin: 0; color: rgba(255,253,246,.48); font-size: .74rem; text-align: center; }
.footer-links { display: flex; gap: 1.4rem; justify-content: flex-end; }
.footer-links a { color: rgba(255,253,246,.72); font-size: .72rem; text-underline-offset: 4px; }

.reveal { opacity: 1; transform: none; }

:focus-visible { outline: 2px solid var(--coral); outline-offset: 4px; }

@keyframes dash { to { stroke-dashoffset: -120; } }
@keyframes pulse { 0% { r: 42; opacity: .7; } 100% { r: 70; opacity: 0; } }

@media (max-width: 1050px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 4rem; }
  .hero-copy { padding-right: 0; }
  .graph-panel { min-height: 34rem; }
  .possibilities, .agent-section { grid-template-columns: 1fr; }
  .agent-intro { position: static; }
  .closing { grid-template-columns: .3fr 1fr; }
  .decision-section { grid-template-columns: .12fr 1fr; }
}

@media (max-width: 720px) {
  :root { --page-pad: 1.15rem; --section-pad: 5rem; }
  .site-header { min-height: 4.8rem; }
  .hero { min-height: auto; padding-top: 8.5rem; }
  .hero h1 { font-size: clamp(3.35rem, 14vw, 5.3rem); overflow-wrap: anywhere; }
  .project-facts { gap: .5rem 1rem; }
  .project-facts li:not(:first-child)::before { margin-right: 1rem; }
  .graph-panel { min-height: 28rem; }
  .statement, .features > .section-heading, .source-atlas > .section-heading { grid-template-columns: 1fr; gap: 1.5rem; }
  .source-intro { grid-column: 1; }
  .source-band, .exclusion-note { grid-template-columns: 1fr; gap: 1.2rem; }
  .statement > div > p { margin-left: 0; }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .pipeline-step:nth-child(2) { border-right: 0; }
  .pipeline-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .possibility { grid-template-columns: 2rem 1fr; }
  .possibility-tag { grid-column: 2; width: max-content; }
  .feature-grid, .route-grid { grid-template-columns: 1fr; }
  .feature-wide { grid-column: auto; }
  .feature { min-height: 18rem; }
  .feature h3 { margin-top: 4rem; }
  .closing { grid-template-columns: 1fr; min-height: 35rem; }
  .closing-mark { position: absolute; left: -1rem; bottom: 0; font-size: 22rem; }
  .text-link { width: 100%; margin: 1rem 0 0; }
  footer { grid-template-columns: 1fr; justify-items: start; }
  footer p { text-align: left; }
  .footer-links { justify-content: flex-start; flex-wrap: wrap; }
  .decision-hero { min-height: auto; padding-top: 8.5rem; }
  .decision-hero h1 { font-size: clamp(3.6rem, 17vw, 6rem); overflow-wrap: anywhere; }
  .decision-deck { margin-left: 0; }
  .decision-thesis, .decision-section, .status-disclosure { grid-template-columns: 1fr; gap: 1.5rem; }
  .decision-index { font-size: 3.2rem; }
  .decision-contrast, .causal-rules, .neo-ledger { grid-template-columns: 1fr; }
  .decision-contrast article + article { border-top: 1px solid var(--line); border-left: 0; }
  .decision-contrast article { min-height: 24rem; }
  .causal-equation { align-items: flex-start; flex-direction: column; }
  .causal-equation b { transform: rotate(90deg); }
  .projection-callout > p:not(.section-kicker) { margin-left: 0; }
  .projection-flow { align-items: flex-start; flex-direction: column; }
  .projection-flow b { transform: rotate(90deg); }
  .decision-sources { flex-direction: column; }
}

@media (max-width: 440px) {
  .header-github { font-size: .68rem; }
  .hero-actions .button { width: 100%; }
  .graph-panel { min-height: 22rem; }
  .panel-note { font-size: .56rem; }
  .pipeline { grid-template-columns: 1fr; }
  .pipeline-step, .pipeline-step:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .pipeline-step:last-child { border-bottom: 0; }
  .route { grid-template-columns: 2rem 1fr; }
  .route-arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}