:root{--paper:#fff;--ink:#262626;--muted:#6b6b6b;--line:#ececec;--font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--text-caption:12px;--text-small:13px;--text-reading:14px;--text-body:15px;--text-title:18px;--weight-medium:500;--weight-strong:600;--link-line:#b3b3b3}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:var(--text-body);-webkit-font-smoothing:antialiased;margin:0;line-height:1.5}main{width:min(800px,100% - 64px);margin:40px auto 32px;scroll-margin-top:64px}a{color:inherit;text-decoration:underline;-webkit-text-decoration-color:var(--link-line);text-decoration-color:var(--link-line);text-underline-offset:4px;text-decoration-thickness:1px}a:hover,a:focus-visible{text-decoration-color:currentColor}button{font:inherit}h1,h2,h3,p{margin:0}::selection{background:#e8e8e8}a:focus-visible,button:focus-visible{outline:2px solid var(--ink);outline-offset:5px;border-radius:2px}.hero{margin-bottom:18px}.hero h1{font-size:var(--text-title);font-weight:var(--weight-strong);letter-spacing:-.015em;line-height:1.5}.hero-note{color:var(--muted);margin-top:3px}#experiments,h3,#investor-result{scroll-margin-top:24px}.project-line{color:var(--muted);font-size:var(--text-small)}footer{border-top:1px solid var(--line);color:var(--muted);font-size:var(--text-caption);justify-content:space-between;align-items:center;margin-top:20px;padding-top:12px;display:flex}footer a{align-items:center;min-height:44px;display:inline-flex}footer a:hover{text-decoration:underline}.footer-links{align-items:center;gap:20px;display:flex}.admin-login{max-width:360px}.admin-nav{font-size:var(--text-small);color:var(--muted);justify-content:space-between;align-items:center;display:flex}.admin-nav a,.admin-nav button{min-height:44px;color:inherit;cursor:pointer;text-decoration:underline;-webkit-text-decoration-color:var(--link-line);text-decoration-color:var(--link-line);text-underline-offset:4px;background:0 0;border:0;align-items:center;padding:0;text-decoration-thickness:1px;display:inline-flex}.admin-nav a:hover,.admin-nav button:hover{color:var(--ink);text-decoration:underline}.admin-nav button:hover,.admin-nav button:focus-visible{text-decoration-color:currentColor}.admin-nav .project-return{gap:8px;text-decoration:none}.admin-nav .project-return:hover,.admin-nav .project-return:focus-visible{color:var(--ink);text-decoration:underline}.admin-intro{margin-top:18px}.admin-form{margin-top:28px}.admin-form label{font-size:var(--text-reading);display:block}.admin-form input{width:100%;height:44px;font:inherit;color:var(--ink);background:var(--paper);border:1px solid #ccc;border-radius:3px;margin:8px 0 16px;padding:8px 12px;font-size:16px;display:block}.admin-form input:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.admin-form button{background:var(--ink);min-width:104px;min-height:44px;color:var(--paper);cursor:pointer;font-size:var(--text-reading);border:0;border-radius:3px;padding:8px 18px}.admin-form button:disabled,.admin-nav button:disabled{cursor:wait;opacity:.65}.admin-form [role=alert]{color:#9b2929;font-size:var(--text-small);margin-bottom:16px}.connection-note{color:var(--muted);font-size:var(--text-caption);margin-top:4px;line-height:1.5}#learn-catalogue,#reading-path,.learn-chapter{scroll-margin-top:24px}.learn-page{max-width:760px;margin-top:40px}.learn-page .hero{margin-bottom:0}.learn-page #reading-path,.learn-page .learn-chapter{scroll-margin-top:64px}.learn-page .hero .project-line{margin-top:3px}.learn-connections{flex-wrap:wrap;gap:0 20px;margin-top:4px;display:flex}.learn-connections a{align-items:center;min-height:44px;display:inline-flex}.learn-connections a:hover{text-decoration:underline}.learn-chapters,.learn-sources{margin:0;padding:0;list-style:none}.learn-chapter{border-top:1px solid var(--line);grid-template-columns:180px minmax(0,1fr);column-gap:32px;padding-block:14px;display:grid}.learn-chapter>*{min-width:0}[tabindex="-1"]:focus{outline:none}[tabindex="-1"]:focus-visible{outline:2px solid var(--ink);outline-offset:5px}.learn-chapter-heading{padding-top:11px}.learn-chapter h2{font-size:var(--text-body);font-weight:var(--weight-strong)}.learn-number{width:24px;color:var(--muted);font-size:var(--text-caption);font-weight:400;display:inline-block}.learn-chapter-heading p{font-size:var(--text-caption);color:var(--muted);margin-top:4px}.learn-sources li{align-items:baseline;gap:12px;display:flex}.learn-sources a{min-width:44px;min-height:44px;font-size:var(--text-reading);align-items:center;display:inline-flex}.learn-sources a:hover,.learn-sources a:focus-visible{text-decoration:underline}.learn-sources .learn-source-alternative{color:var(--muted);font-size:var(--text-caption)}.source-kind{color:var(--muted);font-size:11px}.learn-needed{color:#4d4d4d;font-size:var(--text-small);margin-block:8px;line-height:1.6}.learn-page footer{gap:20px}.learn-page footer a{white-space:nowrap;flex-shrink:0}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip-link{background:var(--ink);color:var(--paper);z-index:5;padding:12px 16px;position:absolute;top:-100px;left:20px}.skip-link:focus{top:12px}.investor-back{font-size:var(--text-small);min-height:44px;color:var(--muted);align-items:center;display:inline-flex}.investor-back:hover{color:var(--ink);text-decoration:underline}.investor-page{max-width:760px}.investor-intro{padding-block:18px 20px}.investor-intro h1{font-size:var(--text-title);font-weight:var(--weight-strong);letter-spacing:-.015em;line-height:1.5}.investor-line{color:var(--muted);font-size:var(--text-small);margin-top:3px}.investor-thesis{font-size:var(--text-reading);margin-top:16px}.investor-result{border-top:1px solid var(--line);padding-top:24px}.investor-page .investor-metrics{flex-wrap:wrap;gap:24px 64px;display:flex}.investor-metrics dt{color:var(--muted);font-size:var(--text-caption);margin-bottom:8px}.investor-metrics dd{letter-spacing:-.025em;margin:0;font-size:24px}.investor-provenance{color:var(--muted);font-size:var(--text-caption);flex-wrap:wrap;gap:8px 24px;margin:24px 0 28px;display:flex}.investor-provenance div{gap:5px;display:flex}.investor-provenance dd{margin:0}.investor-page footer{min-height:57px}@media (max-width:680px){main{width:calc(100% - 40px);margin-top:32px;scroll-margin-top:32px}.hero{margin-bottom:18px}footer{margin-top:16px}.investor-intro{padding-top:18px}.investor-page .investor-metrics{gap:24px 40px}.learn-chapter{grid-template-columns:minmax(0,1fr);row-gap:8px;padding-block:18px}.learn-chapter-heading{padding-top:0}.learn-page{margin-top:24px}.learn-sources li{flex-wrap:wrap;gap:0 12px}.learn-page footer{align-items:start}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important}}