:root{color-scheme:light;--ink:#1c252c;--muted:#68757d;--line:#dce3e7;--paper:#f6f8f7;--accent:#1f6f63;--accent-soft:#dceee9}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.7 system-ui,-apple-system,BlinkMacSystemFont,segoe ui,sans-serif}.site-header{display:flex;align-items:baseline;gap:16px;max-width:960px;margin:0 auto;padding:28px 24px;border-bottom:1px solid var(--line)}.brand{color:var(--ink);font-size:1.15rem;font-weight:700;text-decoration:none}.tagline,.eyebrow{color:var(--muted);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}.page-shell{max-width:960px;margin:0 auto;padding:72px 24px 120px}.home-intro{max-width:680px;margin-bottom:56px}h1{margin:8px 0 16px;font-size:clamp(2.4rem,7vw,4.5rem);line-height:1.05;letter-spacing:-.03em}h2,h3{line-height:1.25;margin-top:2.2em}.lede{color:var(--muted);font-size:1.2rem}.article{max-width:760px}.content{font-size:1.05rem}.content a{color:var(--accent)}.content pre{overflow-x:auto;padding:18px;border:1px solid var(--line);background:#eef2f1}.content code{font-size:.9em}.content blockquote{margin-left:0;padding-left:18px;border-left:3px solid var(--accent);color:var(--muted)}.callout{padding:16px 20px;border-left:4px solid var(--accent);background:var(--accent-soft)}.mermaid{margin:28px 0;overflow-x:auto;padding:16px;background:#fff}.home .page-shell{display:grid;place-items:center;min-height:100vh;min-height:100svh;max-width:none;padding:32px 24px}.home .home-intro{max-width:680px;margin:0;text-align:center}.home .eyebrow{margin:0;font-size:.875rem;letter-spacing:.12em}.home h1{margin:16px 0 18px;font-size:clamp(3rem,9vw,4.5rem);line-height:1.1}.home .lede{margin:0;font-size:clamp(.95rem,2.5vw,1.125rem)}@media(max-width:640px){.site-header{padding:20px 18px}.page-shell{padding:48px 18px 80px}.tagline{display:none}}