:root{--paper:#fff;--panel:#f6f6f4;--ink:#161616;--ink-2:#4b4b4b;--ink-3:#8a8a87;--rule:#e2e2de;--valley:#2456c9;--mountain:#d4622a;--sheet:#fff;--sheet-back:#d9e3f5;--stage:#f2f2ef;--f-text:"Source Serif 4", Georgia, "Times New Roman", serif;--f-ui:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--f-mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--paper:#141414;--panel:#1c1c1c;--ink:#ececea;--ink-2:#b4b4b0;--ink-3:#7e7e7a;--rule:#2c2c2a;--valley:#3b78f0;--mountain:#d9692c;--sheet:#eeeeec;--sheet-back:#9fb6dc;--stage:#0f0f0f;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--paper:#141414;--panel:#1c1c1c;--ink:#ececea;--ink-2:#b4b4b0;--ink-3:#7e7e7a;--rule:#2c2c2a;--valley:#3b78f0;--mountain:#d9692c;--sheet:#eeeeec;--sheet-back:#9fb6dc;--stage:#0f0f0f;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);font-family:var(--f-text);font-size:18px;line-height:1.6}.wrap{max-width:1120px;padding-left:max(20px, env(safe-area-inset-left,0px));padding-right:max(20px, env(safe-area-inset-right,0px));margin:0 auto}h1,h2,h3{font-family:var(--f-text);text-wrap:balance;margin:0;font-weight:600;line-height:1.2}h1{letter-spacing:-.01em;font-size:2.6rem}h2{font-size:1.6rem}h3{margin-top:40px;font-size:1.2rem}p{margin:0}a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--valley)}:focus-visible{outline:2px solid var(--valley);outline-offset:2px}button,select,input{font:inherit;color:inherit}button{cursor:pointer}.val{font-family:var(--f-mono);color:var(--ink-2);font-variant-numeric:tabular-nums;font-size:.85em}.note{font-family:var(--f-ui);color:var(--ink-3);margin-top:10px;font-size:.82rem}.muted{color:var(--ink-3)}body:before{content:"";height:env(safe-area-inset-top,0px);background:var(--paper);z-index:11;position:fixed;inset:0 0 auto}header.site{top:env(safe-area-inset-top,0px);z-index:10;background:var(--paper);border-bottom:1px solid var(--rule);position:sticky}.bar{font-family:var(--f-ui);align-items:center;gap:12px 28px;padding-block:10px;font-size:.92rem;display:flex}.bar .name{flex:none;align-items:center;gap:8px;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.bar .name .mark{fill:currentColor;width:22px;height:22px}.bar nav{scrollbar-width:none;flex:1;gap:2px;min-width:0;display:flex;overflow-x:auto}.bar nav::-webkit-scrollbar{display:none}.bar nav a{color:var(--ink-2);white-space:nowrap;border-radius:3px;padding:6px 10px;text-decoration:none}.bar nav a:hover,.bar nav a[aria-current=page]{color:var(--ink);background:var(--panel)}.bar .tabs{flex:none}.view{display:none}.view.active{animation:.15s ease-out view-in;display:block}@keyframes view-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.view.active{animation:none}}footer.site{border-top:1px solid var(--rule);font-family:var(--f-ui);color:var(--ink-3);margin-top:0;padding-block:28px 48px;font-size:.85rem}.intro{padding-block:8px 0}.intro .sub{color:var(--ink-2);max-width:46ch;margin-top:8px;font-size:1.2rem}.tabs{border:1px solid var(--rule);font-family:var(--f-ui);border-radius:4px;font-size:.9rem;display:inline-flex;overflow:hidden}.tabs button{color:var(--ink-2);background:0 0;border:0;padding:7px 16px}.tabs button+button{border-left:1px solid var(--rule)}.tabs button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.tabs.small{justify-self:start;margin-top:0}.hero{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:start;gap:36px;margin-top:28px;display:grid}.hero-text{gap:14px;padding-top:6px;display:grid}.hero-text p{max-width:62ch}.facts{border-collapse:collapse;font-family:var(--f-ui);width:100%;font-size:.9rem}.facts th,.facts td{text-align:left;border-bottom:1px solid var(--rule);padding:6px 0;font-weight:400}.facts th{color:var(--ink-2)}.facts td{text-align:right;font-variant-numeric:tabular-nums}.links{font-family:var(--f-ui);gap:20px;font-size:.95rem;display:flex}figure{min-width:0;margin:0}figcaption{font-family:var(--f-ui);color:var(--ink-3);margin-top:8px;font-size:.8rem}.stage{background:var(--stage);border-radius:3px;position:relative;overflow:hidden}.stage canvas{touch-action:none;width:100%;height:100%;display:block}.fig-hero .stage{aspect-ratio:4/3;max-width:100%}.loading{font-family:var(--f-ui);color:var(--ink-3);place-items:center;font-size:.85rem;display:grid;position:absolute;inset:0}section{padding-block:40px 56px}.sec-lede{color:var(--ink-2);max-width:66ch;margin-top:10px;margin-bottom:24px}.panel{min-width:0;font-family:var(--f-ui);align-content:start;gap:16px;font-size:.9rem;display:grid}.ctl{gap:6px;display:grid}.ctl label{color:var(--ink-2);justify-content:space-between;gap:8px;display:flex}.ctl select,.ctl input[type=range]{width:100%}select{border:1px solid var(--rule);background:var(--paper);border-radius:3px;padding:6px 8px}input[type=range]{accent-color:var(--ink)}.btn{border:1px solid var(--ink);background:var(--ink);color:var(--paper);font-family:var(--f-ui);border-radius:3px;padding:8px 14px;font-size:.9rem}.btn.quiet{color:var(--ink);border-color:var(--rule);background:0 0}.btn:hover{opacity:.88}.views{flex-wrap:wrap;gap:6px;display:flex}.views button,.player button{border:1px solid var(--rule);background:var(--paper);font-family:var(--f-ui);border-radius:3px;padding:4px 10px;font-size:.85rem}.views button[aria-pressed=true]{border-color:var(--ink)}.toggles{color:var(--ink-2);gap:8px;display:grid}.tg{align-items:center;gap:8px;display:flex}.tg select{margin-left:auto;padding:3px 6px}.readout{border-top:1px solid var(--rule);font-family:var(--f-ui);gap:6px;padding-top:10px;font-size:.85rem;display:grid}.ro-row{grid-template-columns:12px 1fr auto auto;align-items:baseline;gap:8px;display:grid}.ro-row b{font-weight:400;font-family:var(--f-mono);font-variant-numeric:tabular-nums;font-size:.82rem}.dot{border-radius:50%;width:8px;height:8px;display:inline-block}.dot.v{background:var(--valley)}.dot.m{background:var(--mountain)}.tbl{overflow-x:auto}table.sc{border-collapse:collapse;width:100%;font-family:var(--f-ui);margin-top:24px;font-size:.85rem}table.sc th,table.sc td{text-align:left;border-bottom:1px solid var(--rule);font-variant-numeric:tabular-nums;padding:6px 8px}table.sc th{color:var(--ink-3);font-weight:400}table.sc td.n,table.sc th.n{text-align:right}table.sc tr:last-child td{border-bottom-color:var(--ink-3)}.lab{grid-template-columns:minmax(0,1fr) 280px;gap:24px;display:grid}.lab .stage{height:460px}.hud{font-family:var(--f-mono);color:var(--ink-2);pointer-events:none;font-variant-numeric:tabular-nums;grid-template-columns:auto auto;gap:2px 12px;font-size:12px;display:grid;position:absolute;top:10px;left:12px}.hud b{color:var(--ink);text-align:right;font-weight:400}.hud .bar{background:var(--rule);grid-column:1/-1;width:150px;height:3px;margin-top:4px;padding:0;display:block;position:relative}.hud .bar i{background:var(--valley);position:absolute;inset:0 auto 0 0}.hud .bar s{background:var(--ink);width:1px;position:absolute;top:-3px;bottom:-3px;left:50%}.aero-key{font-family:var(--f-ui);color:var(--ink-3);pointer-events:none;text-align:right;gap:3px;font-size:11px;display:grid;position:absolute;top:10px;right:12px}.aero-key span{justify-content:flex-end;align-items:center;gap:6px;display:flex}.aero-key i{width:14px;height:3px;display:inline-block}.aero-key .k-lift{background:var(--valley)}.aero-key .k-stall{background:var(--mountain)}.aero-key .k-w{background:var(--ink-2)}.aero-key .k-heat{background:linear-gradient(90deg,#f2f4f1,#ffd58a,#e8592b);width:28px;height:8px}.aero-key .k-slow{background:#4f7fd8}.aero-key .k-fast{background:#f2a03d}.tunnel-stage{height:480px}.evo{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px;display:grid}.evo .stage{aspect-ratio:1;max-width:100%}.evo .readout{margin-top:12px}.chart{min-width:0;position:relative}.chart svg{width:100%;height:auto;display:block;overflow:visible}.chart text{fill:var(--ink-3);font-family:var(--f-ui);font-size:11px}.chart-legend{font-family:var(--f-ui);color:var(--ink-2);flex-wrap:wrap;gap:16px;margin-bottom:6px;font-size:.82rem;display:flex}.chart-legend span{align-items:center;gap:6px;display:inline-flex}.tooltip{pointer-events:none;background:var(--ink);color:var(--paper);font-size:12px;font-family:var(--f-ui);white-space:nowrap;border-radius:3px;padding:5px 8px;position:absolute;transform:translate(-50%,-110%)}.genbar{font-family:var(--f-ui);color:var(--ink-2);grid-template-columns:auto 1fr auto;align-items:center;gap:12px;margin-top:14px;font-size:.85rem;display:grid}.lineage{grid-template-columns:repeat(auto-fill,minmax(86px,1fr));gap:8px;margin-top:18px;display:grid}.lineage button{border:1px solid var(--rule);background:var(--paper);color:var(--ink-2);font-size:11px;font-family:var(--f-ui);border-radius:3px;justify-items:center;gap:2px;padding:6px 4px 4px;display:grid}.lineage button[aria-pressed=true]{border-color:var(--ink);color:var(--ink)}.lineage svg{width:100%;height:60px}.fold{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px;display:grid}.fold .stage{aspect-ratio:4/3.4;max-width:100%}.steps{counter-reset:s;font-family:var(--f-ui);gap:2px;margin:0;padding:0;font-size:.92rem;list-style:none;display:grid}.steps li{counter-increment:s}.steps button{text-align:left;width:100%;color:var(--ink-2);background:0 0;border:0;border-left:2px solid #0000;grid-template-columns:26px 1fr;gap:6px;padding:7px 10px;display:grid}.steps button:before{content:counter(s) ".";color:var(--ink-3);font-variant-numeric:tabular-nums}.steps button[aria-current=step]{border-left-color:var(--ink);color:var(--ink);background:var(--panel)}.steps button[aria-current=step] .st{font-weight:600}.steps .sx{font-family:var(--f-text);color:var(--ink-2);margin-top:6px;font-size:1rem;line-height:1.55;display:none}.steps button[aria-current=step] .sx{display:block}.player{font-family:var(--f-ui);flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px;font-size:.85rem;display:flex}.player .prog{background:var(--rule);flex:1;min-width:120px;height:2px;position:relative;overflow:hidden}.player .prog i{background:var(--ink);width:0;position:absolute;inset:0 auto 0 0}.copyrow{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.diagrams{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;display:grid}.diagram{border:1px solid var(--rule);border-radius:3px;align-content:start;gap:8px;padding:10px;display:grid}.diagram .dh{font-family:var(--f-ui);color:var(--ink-2);grid-template-columns:20px 1fr;font-size:.8rem;display:grid}.diagram .dh b{color:var(--ink-3);font-weight:400}.diagram .dv{place-items:center;height:160px;display:grid}.diagram .dv svg{width:auto;max-width:100%;height:auto;max-height:160px}.together{grid-template-columns:280px minmax(0,1fr);gap:28px;display:grid}.tstat{color:var(--ink-2)}.board button{border:1px solid var(--rule);background:var(--paper);font-size:12px;font-family:var(--f-ui);border-radius:3px;padding:2px 10px}.toast{left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--paper);font-family:var(--f-ui);z-index:20;border-radius:3px;padding:9px 14px;font-size:.85rem;position:fixed;transform:translate(-50%)}.hood{grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:40px;margin-top:20px;display:grid}.prose{gap:14px;max-width:66ch;display:grid}@media (max-width:900px){.hero,.lab,.evo,.fold,.hood,.together{grid-template-columns:minmax(0,1fr)}.bar{flex-wrap:wrap}.bar nav{flex-basis:100%;order:3}.lab .stage,.tunnel-stage{height:360px}h1{font-size:2.1rem}}@media (max-width:600px){.aero-key{display:none}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){html{--lightningcss-light: ;--lightningcss-dark:initial}}body{-webkit-font-smoothing:antialiased;margin:0}img{max-width:100%}[hidden]{display:none!important}
