/* The notebook's shared reading treatment, keeping each artifact's working controls. */
:root{--bg:#fbfcfe;--surface:#fff;--ink:#3b3e46;--muted:#686c76;--faint:#686c76;--line:#d8dce3;--line-strong:#b6bdc8;--accent:#2449d8;--accent-ink:#2449d8;--accent-soft:#e4ddfa;--sans:'Avenir Next',Avenir,'Segoe UI',sans-serif;--radius:3px;--shadow-1:none;--shadow-2:none;--font-display:'Avenir Next',Avenir,'Segoe UI',sans-serif}
body{font-family:var(--sans)}h1,h2,h3{letter-spacing:-.025em;text-transform:none}h1{font-size:clamp(30px,4vw,40px)}.hero{padding-top:48px}.eyebrow{text-transform:none;letter-spacing:0}.eyebrow::before{display:none}::selection{background:#e4ddfa;color:#17191f}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid #2449d8;outline-offset:4px}.notebook-return{display:block;max-width:1140px;margin:0 auto;padding:20px 28px;color:#2449d8;font:13px/1.6 var(--sans);text-decoration:none}.notebook-return:hover{text-decoration:underline}
[data-theme="light"]{--bg:#fbfcfe;--bg2:#fff;--white:#17191f;--hi:#3b3e46;--muted:#686c76;--dim:#686c76;--line:#d8dce3;--panel-br:#d8dce3;--pbar-b:#2449d8}
body.notebook-deck>.notebook-return{position:fixed;left:16px;top:8px;padding:6px 10px;z-index:10000;background:#fbfcfe;border:1px solid #d8dce3;border-radius:3px;max-width:180px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}