.stack-story[data-astro-cid-gkfu4kjj]{--stack-accent:var(--color-accent);--stack-soft:var(--color-surface-2);color:var(--color-text);background:var(--color-bg);scroll-snap-type:y proximity}.chapter[data-astro-cid-gkfu4kjj]{min-height:calc(100svh - 74px);display:grid;grid-template-columns:minmax(0,1fr);align-content:center;gap:var(--space-6);padding:clamp(3rem,8vw,8rem) max(var(--space-5),calc((100vw - 1180px)/2));scroll-snap-align:start;border-bottom:1px solid var(--color-border)}.chapter[data-astro-cid-gkfu4kjj] header[data-astro-cid-gkfu4kjj]{max-width:760px}h1[data-astro-cid-gkfu4kjj]{max-width:900px;font-size:clamp(3rem,8vw,7.7rem);line-height:.9;letter-spacing:-.065em}h2[data-astro-cid-gkfu4kjj]{font-size:clamp(2rem,5vw,4.7rem);line-height:.98;letter-spacing:-.05em}.eyebrow[data-astro-cid-gkfu4kjj],.rail-label[data-astro-cid-gkfu4kjj]{font-family:var(--font-mono);font-size:var(--text-sm);letter-spacing:.08em;text-transform:uppercase;color:var(--stack-accent)}.lede[data-astro-cid-gkfu4kjj]{max-width:770px;font-size:clamp(1.15rem,2vw,1.55rem);line-height:1.55;color:var(--color-muted)}.back[data-astro-cid-gkfu4kjj] a[data-astro-cid-gkfu4kjj],.chapter-link[data-astro-cid-gkfu4kjj]{color:var(--stack-accent);font-weight:750;text-decoration:none}.hero-grid[data-astro-cid-gkfu4kjj]{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.7fr);gap:var(--space-7);align-items:center}.brain[data-astro-cid-gkfu4kjj]{position:relative;display:grid;place-items:center;aspect-ratio:1;border:1px 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var(--color-border);border-radius:999px;background:var(--color-surface);color:var(--color-text)}.rail-label[data-astro-cid-gkfu4kjj]{display:flex;justify-content:space-between;gap:1rem;margin-bottom:-1rem}.rail-label[data-astro-cid-gkfu4kjj].local{margin-top:var(--space-5)}.model-rail[data-astro-cid-gkfu4kjj]{display:flex;gap:var(--space-3);overflow-x:auto;padding:.25rem .15rem 1rem;scroll-snap-type:x proximity}.model-rail[data-astro-cid-gkfu4kjj] span[data-astro-cid-gkfu4kjj]{flex:0 0 clamp(210px,23vw,300px);min-height:135px;display:grid;place-items:end start;padding:1.15rem;border:1px solid var(--color-border);border-radius:16px;background:linear-gradient(145deg,var(--color-surface),var(--stack-soft));color:var(--color-text);scroll-snap-align:start;font-size:1.1rem;font-weight:750}.model-rail[data-astro-cid-gkfu4kjj].local span[data-astro-cid-gkfu4kjj]{background:var(--color-strong);color:var(--color-on-strong)}.boundary-grid[data-astro-cid-gkfu4kjj]{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4)}.boundary-grid[data-astro-cid-gkfu4kjj] article[data-astro-cid-gkfu4kjj]{padding:var(--space-5);border:1px solid var(--color-border);border-radius:18px;background:var(--color-surface);color:var(--color-text)}.signal[data-astro-cid-gkfu4kjj]{display:block;width:14px;height:14px;border-radius:50%;margin-bottom:var(--space-4)}.green[data-astro-cid-gkfu4kjj]{background:var(--color-positive)}.amber[data-astro-cid-gkfu4kjj]{background:var(--color-caution)}.gray[data-astro-cid-gkfu4kjj]{background:var(--color-neutral-signal)}.ownership-map[data-astro-cid-gkfu4kjj]{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--space-5);align-items:center}.ownership-map[data-astro-cid-gkfu4kjj] div[data-astro-cid-gkfu4kjj]{display:grid;gap:.75rem;min-height:220px;align-content:center;padding:var(--space-5);border:1px solid var(--color-border);border-radius:18px;background:var(--color-surface);color:var(--color-text)}.ownership-map[data-astro-cid-gkfu4kjj] div[data-astro-cid-gkfu4kjj]:first-child{background:var(--color-strong);color:var(--color-on-strong)}.ownership-map[data-astro-cid-gkfu4kjj] span[data-astro-cid-gkfu4kjj]{color:var(--color-muted)}.ownership-map[data-astro-cid-gkfu4kjj] div[data-astro-cid-gkfu4kjj]:first-child span[data-astro-cid-gkfu4kjj]{color:var(--color-on-strong-muted)}.ownership-map[data-astro-cid-gkfu4kjj] i[data-astro-cid-gkfu4kjj]{color:var(--stack-accent);font-family:var(--font-mono)}.closing[data-astro-cid-gkfu4kjj]{max-width:760px;color:var(--color-muted);font-size:var(--text-lg)}.integration-flow[data-astro-cid-gkfu4kjj]{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:var(--space-4);align-items:center}.integration-flow[data-astro-cid-gkfu4kjj] article[data-astro-cid-gkfu4kjj]{display:grid;gap:.75rem;min-height:235px;align-content:start;padding:var(--space-5);border:1px solid var(--color-border);border-radius:18px;background:var(--color-surface);color:var(--color-text)}.integration-flow[data-astro-cid-gkfu4kjj] article[data-astro-cid-gkfu4kjj]>span[data-astro-cid-gkfu4kjj]{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--stack-accent);color:var(--color-accent-contrast);font-weight:800}.integration-flow[data-astro-cid-gkfu4kjj] code[data-astro-cid-gkfu4kjj]{overflow-wrap:anywhere;padding:.65rem;border-radius:9px;background:var(--stack-soft);color:var(--stack-accent)}.integration-flow[data-astro-cid-gkfu4kjj] p[data-astro-cid-gkfu4kjj],.lab-actions[data-astro-cid-gkfu4kjj] 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var(--stack-accent);color:var(--color-muted)}@media(max-width:900px){.integration-flow[data-astro-cid-gkfu4kjj]{grid-template-columns:1fr}.integration-flow[data-astro-cid-gkfu4kjj]>i[data-astro-cid-gkfu4kjj]{transform:rotate(90deg);text-align:center}.lab-actions[data-astro-cid-gkfu4kjj]{grid-template-columns:1fr}.lab-button[data-astro-cid-gkfu4kjj]{white-space:normal}}@media(max-width:800px){.hero-grid[data-astro-cid-gkfu4kjj]{grid-template-columns:1fr}.brain[data-astro-cid-gkfu4kjj]{max-width:390px}.pattern-tabs[data-astro-cid-gkfu4kjj]{grid-template-columns:repeat(2,1fr)}.boundary-grid[data-astro-cid-gkfu4kjj],.ownership-map[data-astro-cid-gkfu4kjj]{grid-template-columns:1fr}.ownership-map[data-astro-cid-gkfu4kjj] i[data-astro-cid-gkfu4kjj]{text-align:center}.chapter[data-astro-cid-gkfu4kjj]{min-height:auto}.rail-label[data-astro-cid-gkfu4kjj]{align-items:flex-start;flex-direction:column}}@media(prefers-reduced-motion:reduce){.stack-story[data-astro-cid-gkfu4kjj]{scroll-snap-type:none}}