:root{--paper:#fff;--panel:#f6f6f5;--stage:#f4f4f2;--ink:#0f0f0f;--ink-2:#5b5b5b;--ink-3:#9b9b98;--rule:#ebebe8;--valley:#2456c9;--mountain:#d4622a;--sheet:#fff;--sheet-back:#d9e3f5;--f-ui:"Geist", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;--f-text:var(--f-ui);--f-mono:"Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);font-family:var(--f-ui);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.6}.wrap{max-width:1180px;padding-left:max(24px, env(safe-area-inset-left,0px));padding-right:max(24px, env(safe-area-inset-right,0px));margin:0 auto}h1,h2,h3{letter-spacing:-.02em;text-wrap:balance;margin:0;font-weight:600;line-height:1.15}h1{letter-spacing:-.035em;font-size:clamp(2.2rem,4.4vw,3.4rem)}h2{font-size:1.75rem}h3{margin-top:48px;font-size:1.15rem}p{margin:0}a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1px}: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:.82rem}.note{color:var(--ink-3);margin-top:12px;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;-webkit-backdrop-filter:saturate(180%)blur(12px);border-bottom:1px solid var(--rule);background:#ffffffdb;position:sticky}.bar{align-items:center;gap:12px 28px;height:58px;font-size:.9rem;display:flex}.bar .name{letter-spacing:-.02em;flex:none;align-items:center;gap:9px;font-size:1.02rem;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:6px;padding:6px 11px;text-decoration:none;transition:color .12s,background-color .12s}.bar nav a:hover{color:var(--ink)}.bar nav a[aria-current=page]{color:var(--ink);background:var(--panel)}.tabs{background:var(--panel);border-radius:8px;flex:none;padding:3px;font-size:.85rem;display:inline-flex}.tabs button{color:var(--ink-2);background:0 0;border:0;border-radius:6px;padding:5px 12px;transition:color .12s}.tabs button[aria-pressed=true]{background:var(--paper);color:var(--ink);box-shadow:0 1px 2px #00000014}.tabs.small{justify-self:start}.view{display:none}.view.active{animation:.16s ease-out view-in;display:block}@keyframes view-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.view.active{animation:none}}section{padding-block:56px 72px}.sec-lede{color:var(--ink-2);max-width:64ch;margin-top:12px;margin-bottom:32px;font-size:1.02rem}.intro{padding-block:24px 0}.intro h1{max-width:16ch}.intro .sub{color:var(--ink-2);max-width:48ch;margin-top:16px;font-size:1.1rem}.hero{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;gap:48px;margin-top:8px;display:grid}.hero-text{align-content:start;gap:22px;display:grid}.hero-text h2{color:var(--ink-2);letter-spacing:-.01em;font-size:1.05rem;font-weight:500}.headline{gap:4px;display:grid}.headline .num{font-family:var(--f-mono);letter-spacing:-.04em;font-variant-numeric:tabular-nums;font-size:clamp(3rem,6vw,4.6rem);font-weight:500;line-height:1}.headline .num small{letter-spacing:0;color:var(--ink-2);margin-left:6px;font-size:.4em}.headline .what{color:var(--ink-2);max-width:40ch;font-size:.95rem}.compare{color:var(--ink-2);border-top:1px solid var(--rule);align-items:baseline;gap:10px;padding-top:14px;font-size:.95rem;display:flex}.compare b{font-family:var(--f-mono);color:var(--ink);font-variant-numeric:tabular-nums;font-weight:500}.facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;margin:0;display:grid}.facts div{border-bottom:1px solid var(--rule);justify-content:space-between;gap:12px;padding-bottom:8px;font-size:.88rem;display:flex}.facts dt{color:var(--ink-3)}.facts dd{font-family:var(--f-mono);font-variant-numeric:tabular-nums;margin:0;font-size:.85rem}.actions{flex-wrap:wrap;gap:10px;display:flex}.fig-hero .stage{aspect-ratio:5/4;background:0 0;max-width:100%}figure{min-width:0;margin:0}figcaption{color:var(--ink-3);margin-top:10px;font-size:.8rem}.stage{background:var(--stage);border-radius:10px;position:relative;overflow:hidden}.stage canvas{touch-action:none;width:100%;height:100%;display:block}.loading{color:var(--ink-3);place-items:center;font-size:.85rem;display:grid;position:absolute;inset:0}.panel{align-content:start;gap:18px;min-width:0;font-size:.9rem;display:grid}.ctl{gap:8px;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:8px;padding:7px 10px}input[type=range]{accent-color:var(--ink)}.btn{border:1px solid var(--ink);background:var(--ink);color:var(--paper);border-radius:8px;justify-content:center;align-items:center;padding:9px 16px;font-size:.9rem;font-weight:500;text-decoration:none;transition:opacity .12s;display:inline-flex}.btn:hover{opacity:.85}.btn.quiet{background:var(--paper);color:var(--ink);border-color:var(--rule)}.btn.quiet:hover{opacity:1;border-color:var(--ink-3)}.views{flex-wrap:wrap;gap:6px;display:flex}.views button,.player button{border:1px solid var(--rule);background:var(--paper);border-radius:8px;padding:5px 11px;font-size:.85rem}.views button[aria-pressed=true]{border-color:var(--ink)}.toggles{color:var(--ink-2);gap:10px;display:grid}.tg{align-items:center;gap:8px;display:flex}.tg select{margin-left:auto;padding:4px 8px}.readout{border-top:1px solid var(--rule);gap:7px;padding-top:12px;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%;margin-top:32px;font-size:.86rem}table.sc th,table.sc td{text-align:left;border-bottom:1px solid var(--rule);font-variant-numeric:tabular-nums;padding:8px 10px}table.sc th{color:var(--ink-3);font-weight:400}table.sc td.n,table.sc th.n{text-align:right;font-family:var(--f-mono);font-size:.82rem}table.sc tr:last-child td{border-bottom:0;font-weight:600}.lab{grid-template-columns:minmax(0,1fr) 280px;gap:32px;display:grid}.lab .stage{height:480px}.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 14px;font-size:11.5px;display:grid;position:absolute;top:14px;left:16px}.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:6px;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{color:var(--ink-3);pointer-events:none;text-align:right;gap:4px;font-size:11px;display:grid;position:absolute;top:14px;right:16px}.aero-key span{justify-content:flex-end;align-items:center;gap:6px;display:flex}.aero-key i{border-radius:2px;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,#eceee9,#ffd58a,#e8592b);width:28px;height:8px}.aero-key .k-slow{background:#4f7fd8}.aero-key .k-fast{background:#f2a03d}.tunnel-stage{height:500px}.evo{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:36px;display:grid}.evo .stage{aspect-ratio:1;max-width:100%}.evo .readout{margin-top:14px}.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-mono);font-size:10.5px}.chart-legend{color:var(--ink-2);flex-wrap:wrap;gap:18px;margin-bottom:8px;font-size:.82rem;display:flex}.chart-legend span{align-items:center;gap:7px;display:inline-flex}.tooltip{pointer-events:none;background:var(--ink);color:var(--paper);white-space:nowrap;border-radius:6px;padding:5px 9px;font-size:12px;position:absolute;transform:translate(-50%,-110%)}.genbar{color:var(--ink-2);grid-template-columns:auto 1fr auto;align-items:center;gap:14px;margin-top:16px;font-size:.85rem;display:grid}.lineage{grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:8px;margin-top:20px;display:grid}.lineage button{border:1px solid var(--rule);background:var(--paper);color:var(--ink-2);font-size:11px;font-family:var(--f-mono);border-radius:8px;justify-items:center;gap:2px;padding:8px 4px 6px;display:grid}.lineage button[aria-pressed=true]{border-color:var(--ink);color:var(--ink)}.lineage svg{width:100%;height:58px}.fold{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:36px;display:grid}.fold .stage{aspect-ratio:4/3.3;max-width:100%}.steps{counter-reset:s;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-radius:8px;grid-template-columns:26px 1fr;gap:6px;padding:9px 12px;display:grid}.steps button:before{content:counter(s);color:var(--ink-3);font-family:var(--f-mono);padding-top:1px;font-size:.82rem}.steps button:hover{color:var(--ink)}.steps button[aria-current=step]{color:var(--ink);background:var(--panel)}.steps button[aria-current=step] .st{font-weight:600}.steps .sx{color:var(--ink-2);margin-top:6px;line-height:1.55;display:none}.steps button[aria-current=step] .sx{display:block}.player{flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;font-size:.85rem;display:flex}.player .prog{background:var(--rule);border-radius:2px;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:18px;display:flex}.diagrams{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;display:grid}.diagram{border:1px solid var(--rule);border-radius:10px;align-content:start;gap:8px;padding:12px;display:grid}.diagram .dh{color:var(--ink-2);grid-template-columns:20px 1fr;font-size:.8rem;display:grid}.diagram .dh b{color:var(--ink-3);font-weight:400;font-family:var(--f-mono)}.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:36px;display:grid}.tstat{color:var(--ink-2)}.board button{border:1px solid var(--rule);background:var(--paper);border-radius:6px;padding:3px 10px;font-size:12px}.toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--paper);z-index:20;border-radius:8px;padding:10px 16px;font-size:.85rem;position:fixed;transform:translate(-50%)}.hood{grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:48px;margin-top:24px;display:grid}.prose{max-width:64ch;color:var(--ink-2);gap:16px;display:grid}.prose strong{color:var(--ink);font-weight:600}footer.site{border-top:1px solid var(--rule);color:var(--ink-3);padding-block:28px 48px;font-size:.82rem}@media (max-width:900px){.hero,.lab,.evo,.fold,.hood,.together{grid-template-columns:minmax(0,1fr)}.lab .stage,.tunnel-stage{height:380px}.bar{flex-wrap:wrap;height:auto;padding-block:10px}.bar nav{flex-basis:100%;order:3}.fig-hero{order:-1}}@media (max-width:600px){.aero-key{display:none}.facts{grid-template-columns:minmax(0,1fr)}}
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}