@font-face{font-family:IBM Plex Sans;font-style:normal;font-weight:100 700;font-display:swap;src:url(/fonts/ibm-plex-sans-v23-latin.woff2) format("woff2")}@font-face{font-family:"IBM Plex Serif";font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/ibm-plex-serif-600-v20-latin.woff2) format("woff2")}:root{--background:#111417;--surface:#171b1f;--foreground:#eef0ee;--muted:#8f969d;--border:#262c32;--accent:#5cc4a8;--font-sans:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;--font-serif:"IBM Plex Serif",ui-serif,Georgia,serif;--measure:68ch;--gutter:clamp(1.25rem,5vw,4rem);color-scheme:dark}@media (prefers-color-scheme:light){:root{--background:#f4f4f0;--surface:#fbfbf9;--foreground:#16191c;--muted:#4b525a;--border:#dcdcd4;--accent:#14584a;color-scheme:light}}*{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}}body{margin:0;background:var(--background);color:var(--foreground);font-family:var(--font-sans);font-size:clamp(1rem,.97rem + .15vw,1.0625rem);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3{font-family:var(--font-serif);font-weight:600;line-height:1.15;letter-spacing:-.01em;margin:0;text-wrap:balance}h1{font-size:clamp(2rem,1.35rem + 3.1vw,3.5rem)}h2{font-size:clamp(1.375rem,1.15rem + 1.05vw,1.875rem)}h3{font-size:1.0625rem;font-family:var(--font-sans);font-weight:600;letter-spacing:0}p{margin:0;max-width:var(--measure)}a{color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.skip{position:absolute;left:-9999px;top:0;padding:.75rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;z-index:10}.skip:focus{left:var(--gutter);top:.75rem}.shell{width:min(100%,72rem);margin-inline:auto;padding-inline:var(--gutter)}.masthead{border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;background:color-mix(in srgb,var(--background) 92%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:5}.masthead>.shell{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4rem;flex-wrap:wrap}.wordmark{font-family:var(--font-serif);font-size:1.0625rem;font-weight:600;letter-spacing:-.01em;text-decoration:none;white-space:nowrap;display:inline-flex;align-items:center;min-height:2.75rem}.wordmark span{color:var(--muted);font-family:var(--font-sans);font-weight:400}.masthead nav ul{display:flex;gap:clamp(.75rem,2.4vw,1.75rem);list-style:none;margin:0;padding:0;flex-wrap:wrap}.masthead nav a{color:var(--muted);text-decoration:none;font-size:.9375rem;display:inline-flex;align-items:center;min-height:2.75rem}.masthead nav a:hover{color:var(--foreground)}section{padding-block:clamp(3rem,7vw,5.5rem);border-bottom:1px solid var(--border)}.hero{padding-block:clamp(3.5rem,10vw,7rem)}.hero p{color:var(--muted);font-size:clamp(1.0625rem,1rem + .4vw,1.25rem);margin-top:1.25rem}.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:2.75rem;padding:0 1.25rem;border-radius:8px;border:1px solid var(--border);text-decoration:none;font-size:.9375rem;font-weight:500;transition:border-color .15s ease,color .15s ease,background-color .15s ease}.button--primary{background:var(--accent);border-color:var(--accent);color:var(--background)}.button--primary:hover{background:color-mix(in srgb,var(--accent) 88%,var(--foreground))}.button:hover{border-color:var(--accent);color:var(--accent)}.button--primary:hover{color:var(--background)}.lede{color:var(--muted);margin-top:.875rem}.preview{margin-top:2.5rem;border:1px solid var(--border);border-radius:12px;background:var(--surface);padding:clamp(1.25rem,3vw,2rem);max-width:32rem}.preview__label{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0}.preview__fixture{font-family:var(--font-serif);font-size:1.25rem;font-weight:600;margin-top:.5rem}.preview__row{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid var(--border)}.preview__probability{font-size:clamp(2rem,1.6rem + 1.9vw,2.75rem);font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;line-height:1;color:var(--accent)}.preview__bar{display:flex;height:6px;border-radius:3px;overflow:hidden;margin-top:1.25rem;background:var(--border)}.preview__bar span{display:block;height:100%}.preview__legend{display:flex;flex-wrap:wrap;gap:.25rem 1rem;margin-top:.75rem;font-size:.8125rem;color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.preview__note{font-size:.8125rem;color:var(--muted);margin-top:1.25rem}.preview__note a{display:inline-flex;align-items:center;min-height:2.75rem;color:var(--accent);text-decoration:none}.preview__note a:hover{text-decoration:underline;text-underline-offset:3px}.principles{display:grid;grid-gap:clamp(1.5rem,3vw,2.5rem);gap:clamp(1.5rem,3vw,2.5rem);margin-top:2.5rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr))}.principle h3{color:var(--foreground)}.principle p:first-of-type{color:var(--accent);font-size:.875rem;margin-top:.25rem}.principle p:last-of-type{color:var(--muted);font-size:.9375rem;margin-top:.5rem}.explainers{display:grid;grid-gap:clamp(2rem,4vw,3rem);gap:clamp(2rem,4vw,3rem);margin-top:2.5rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr))}.explainer p{color:var(--muted);margin-top:.625rem}.explainer a{display:inline-flex;align-items:center;min-height:2.75rem;margin-top:.5rem;color:var(--accent);font-size:.9375rem;text-decoration:none}.explainer a:hover{text-decoration:underline;text-underline-offset:3px}.quote{border-left:2px solid var(--accent);padding-left:1.25rem;margin-top:2rem;font-size:clamp(1.0625rem,1rem + .5vw,1.25rem);max-width:var(--measure)}footer{padding-block:clamp(2.5rem,5vw,4rem);color:var(--muted);font-size:.875rem}footer ul{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;list-style:none;margin:0 0 1.5rem;padding:0}footer a{color:var(--muted);text-decoration:none;display:inline-flex;align-items:center;min-height:2.75rem}footer a:hover{color:var(--foreground)}.retired{display:grid;align-content:center;min-height:70vh;padding-block:clamp(3rem,8vw,6rem)}.retired p{color:var(--muted);margin-top:1rem}