:root{--primary:#06c;--primary-focus:#0071e3;--primary-on-dark:#2997ff;--ink:#1d1d1f;--ink-muted:#6e6e73;--ink-muted-strong:#333;--canvas:#fff;--canvas-parchment:#f5f5f7;--surface-pearl:#fafafc;--surface-black:#000;--surface-tile:#272729;--hairline:#d2d2d7;--hairline-soft:#00000014;--on-dark:#fff;--nav-height:44px;--container:980px;--container-wide:1120px;--radius-sm:8px;--radius-lg:18px;color:var(--ink);background:var(--canvas);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:system-ui,-apple-system,BlinkMacSystemFont,Inter,sans-serif}.dark{--primary:#2997ff;--primary-focus:#5ab0ff;--primary-on-dark:#2997ff;--ink:#f5f5f7;--ink-muted:#a1a1a6;--ink-muted-strong:#d2d2d7;--canvas:#000;--canvas-parchment:#161617;--surface-pearl:#1d1d1f;--surface-black:#000;--surface-tile:#272729;--hairline:#424245;--hairline-soft:#ffffff1f}*{box-sizing:border-box;margin:0;padding:0}html{background:var(--canvas)}body{min-width:320px;min-height:100vh;color:var(--ink);background:var(--canvas);letter-spacing:-.374px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Inter,sans-serif;font-size:17px;font-weight:400;line-height:1.47;transition:background-color .25s,color .25s}button,input,textarea,select{font:inherit}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-focus)}a:focus-visible,button:focus-visible{outline:2px solid var(--primary-focus);outline-offset:3px}h1,h2,h3,h4{color:var(--ink);letter-spacing:-.01em;font-weight:600;line-height:1.1}h1{font-size:clamp(2.75rem,7vw,3.5rem)}h2{font-size:clamp(2.125rem,4vw,2.5rem)}h3{font-size:1.0625rem}.container{width:min(var(--container), calc(100% - 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