:root{--ice:#EDF3F5;--paper:#fff;--ink:#153243;--muted:#617989;--line:#CBD8DF;--blue:#3153E8;--teal:#147B72;--red:#C54D48}*{box-sizing:border-box}body{margin:0;background:var(--ice);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.55}a{color:inherit;text-underline-offset:5px}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:5px}header,main,footer{max-width:1200px;margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:30px 32px;border-bottom:1px solid var(--line)}.wordmark{text-decoration:none;font-size:17px;letter-spacing:2px;font-weight:800}.wordmark span{font-weight:400;letter-spacing:3px;margin-left:8px}nav{display:flex;gap:28px;font-size:13px}nav a{text-decoration:none}.intro{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:66px 32px 58px}.eyebrow{font:11px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:1.6px;font-weight:600;margin:0 0 22px}h1{font-size:112px;line-height:.97;letter-spacing:-8px;font-weight:500;margin:32px 0 0}h1 em{font-family:Georgia,serif;font-weight:400}.question{color:var(--blue)}.intro-right{padding-top:46px}.thesis{font-size:28px;line-height:1.25;letter-spacing:-.7px;margin:0 0 24px}.lede{max-width:425px;color:var(--muted);font-size:16px}.contract{margin-top:32px;font:10px/1.6 ui-monospace,SFMono-Regular,monospace;letter-spacing:1px;border-left:3px solid var(--blue);padding-left:16px}.contract span{display:block;font:14px/1.6 -apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:0;margin-top:6px}.contract code{font-size:12px}.lab{display:grid;grid-template-columns:260px 1fr;margin:0 32px;background:var(--paper);border:1px solid var(--line);box-shadow:0 16px 50px #15324308}.case-list{padding:30px 20px;border-right:1px solid var(--line)}.case-list .eyebrow{margin-left:12px}.choice{display:flex;align-items:center;width:100%;text-align:left;border:0;background:transparent;padding:14px 12px;margin-bottom:5px;color:var(--muted);font-size:14px;gap:13px;border-radius:4px}.choice span{font:11px ui-monospace,monospace;opacity:.7}.choice[aria-pressed=true]{background:var(--ice);color:var(--blue);font-weight:600}.choice:hover{background:#f5f8fa}.note{font-size:12px;color:var(--muted);margin:36px 12px 0}.experiment{padding:30px 36px}.receipt{display:flex;justify-content:space-between;padding-bottom:26px;border-bottom:1px dashed var(--line)}.receipt .eyebrow{margin-bottom:8px}.status{display:flex;align-items:baseline;gap:16px}.status>span:first-child{font:64px/1.1 ui-monospace,SFMono-Regular,monospace;letter-spacing:-5px;color:var(--teal)}.status>span:last-child{font:11px ui-monospace,monospace;color:var(--teal)}.receipt-stamp{font:9px/1.2 ui-monospace,monospace;letter-spacing:1px;color:var(--muted);text-align:center;border:1px solid var(--line);padding:10px 15px;transform:rotate(-5deg)}.receipt-stamp span{display:inline-block;font:28px Georgia,serif;margin:0 0 2px}.evidence>p{font-size:14px;color:var(--muted);margin:24px 0 12px}pre{font:13px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;padding:20px;background:#F3F6F8;overflow:auto;border-radius:4px;margin:0;min-height:233px;color:#294A60;tab-size:2}.controls{display:flex;gap:20px;align-items:center;margin-top:22px}.primary{background:var(--blue);color:white;border:1px solid var(--blue);padding:13px 18px;border-radius:4px;font-size:14px;display:flex;gap:30px;align-items:center}.primary:hover{background:#2545d5}.secondary{border:0;background:none;font-size:12px;color:var(--muted);padding:10px 0}.result{border-top:1px solid var(--line);margin-top:28px;padding-top:22px}.verdict-line{display:flex;align-items:center;justify-content:space-between}.verdict-line .eyebrow{margin:0}.verdict-line strong{font-size:20px;letter-spacing:-.5px}.result[data-status=completed] strong{color:var(--teal)}.result[data-status=failed] strong{color:var(--red)}.result[data-status=pending] strong,.result[data-status=unknown] strong{color:var(--blue)}#layers{padding:0;list-style:none;margin:18px 0}#layers li{display:grid;grid-template-columns:18px 75px 1fr;gap:8px;padding:9px 0;border-bottom:1px solid #edf2f4;font-size:12px}#layers li b{font-weight:600}#layers li span:last-child{color:var(--muted)}#lesson{font-size:14px;line-height:1.7;margin-bottom:0}.takeaway{padding:76px 32px 56px}.takeaway h2{font-size:39px;line-height:1.14;letter-spacing:-1.3px;font-weight:500;margin:0 0 32px}.takeaway-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;color:var(--muted);font-size:15px}.takeaway-grid p{margin-top:0}.command{display:block;font-size:11px;border-bottom:1px solid var(--line);padding:0 0 13px;margin-bottom:14px;overflow-wrap:anywhere;color:var(--ink)}.takeaway-grid a{color:var(--blue);font-size:14px}.limits{margin:0 32px 54px;border-top:1px solid var(--line);padding-top:24px;display:grid;grid-template-columns:1fr 2fr;gap:12px 36px}.limits h3{font-size:14px;margin:0}.limits p{font-size:12px;color:var(--muted);margin:0}.limits p:last-child{grid-column:2}footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:30px 32px 50px;font-size:12px}footer b{letter-spacing:1.5px}footer p{color:var(--muted);margin:6px 0 0}footer>a{color:var(--blue)}[hidden]{display:none!important}@media(max-width:760px){header{padding:22px}nav{gap:15px}.intro{padding:36px 22px;gap:24px;grid-template-columns:1fr}h1{font-size:85px;letter-spacing:-6px;margin:20px 0}.intro-right{padding:0}.thesis{font-size:25px}.contract{margin-top:24px}.lab{margin:0 16px;grid-template-columns:1fr}.case-list{padding:18px 14px;border-right:0;border-bottom:1px solid var(--line)}.case-list .eyebrow{margin:0 8px 12px}#choices{display:grid;grid-template-columns:1fr 1fr;gap:2px}.choice{padding:11px 8px;font-size:12px;gap:7px;margin:0}.note{margin:14px 8px 0;font-size:11px}.note br{display:none}.experiment{padding:24px 20px}.receipt-stamp{padding:9px 12px}pre{font-size:11px;padding:14px;min-height:190px}.controls{flex-wrap:wrap;gap:12px}.primary{font-size:13px;padding:12px 14px}.takeaway{padding:48px 22px}.takeaway h2{font-size:30px}.takeaway-grid{grid-template-columns:1fr;gap:24px}.limits{margin:0 22px 35px;grid-template-columns:1fr}.limits p:last-child{grid-column:1}footer{padding:25px 22px;align-items:flex-start;gap:22px;flex-direction:column}#layers li{grid-template-columns:16px 62px 1fr;gap:5px}}@media(prefers-reduced-motion:no-preference){.choice,.primary{transition:background .15s ease}}
