@font-face{font-family:Recursive;src:url(/fonts/Recursive_VF.woff2) format("woff2");font-weight:300 1000;font-display:optional}@font-face{font-family:DynaPuff;src:url(/fonts/DynaPuff_VF.woff2) format("woff2");font-weight:400 700;font-display:optional}:root{--brand-rose: #f72585;--brand-purple: #7209b7;--brand-ultramarine: #3a0ca3;--brand-blue: #4361ee;--brand-seagull: #4cc9f0;--brand-white: #ffffff;--brand-black: #111111;--ink: var(--brand-black);--heading: var(--brand-black);--paper: var(--brand-white);--link: var(--brand-blue);--accent: var(--brand-rose);--muted: color-mix(in oklch, var(--ink), white 40%);--rule: color-mix(in oklch, var(--ink), white 82%);--surface: color-mix(in oklch, var(--paper), var(--brand-blue) 5%);--font-body: "Recursive", sans-serif;--font-mono: "Recursive", monospace;--font-display: var(--font-body);--font-brand: "DynaPuff", sans-serif;--slnt: 0;--mono: 0;--casl: 0;--crsv: 0;--wght: 400;--wdth: 100;--fs-base: 1rem;--fs-small: .9rem;--fs-lead: 1.1rem;--fs-h1: 2.2rem;--fs-brand: 1.6rem;--rhythm-size: 1.85rem;--rhythm: round(var(--rhythm-size), 1px);--space: calc(var(--rhythm) / 3);--sidebar-width: 245px;--body-width: 580px;--margin-width: 280px;--gutter: 3.6rem;--page-pad: 1.5rem;--home-width: 1020px;--radius: 12px;--hero-size: 4.4rem;--hero-leading: 3;--hero-outline: .05em;--outset: 3.6rem;--mark-divide: .5s;--mark-merge: .38s;--header-h: calc(2 * var(--rhythm))}:root{--widget-color-white: var(--brand-white);--widget-color-black: var(--brand-black);--widget-border: color-mix(in oklch, var(--widget-color-black), white 75%);--widget-title: var(--widget-color-black);--widget-text: color-mix(in oklch, var(--widget-color-black), white 40%);--widget-error: var(--brand-rose);--widget-canvas-bg: var(--widget-color-white);--widget-canvas-bg-soft: color-mix(in oklch, var(--widget-canvas-bg), white 6%);--widget-slider: var(--brand-rose);--widget-button-bg: var(--widget-color-white);--widget-button-text: var(--widget-color-black);--widget-button-border: color-mix(in oklch, var(--brand-seagull), white 45%);--widget-button-hover-bg: color-mix(in oklch, var(--widget-color-white), var(--brand-seagull) 14%);--widget-button-active-bg: var(--brand-blue);--widget-button-active-text: var(--widget-color-white);--widget-button-active-track-bg: color-mix(in oklch, var(--widget-button-active-bg), white 30%);--widget-button-playing-bg: var(--brand-rose);--widget-button-playing-text: var(--widget-color-white);--widget-button-playing-shadow: color-mix(in oklch, var(--widget-button-playing-bg), transparent 82%);--widget-thumb-border: color-mix(in oklch, var(--widget-border), white 20%);--widget-title-shadow: color-mix(in oklch, var(--widget-title), transparent 90%);--widget-background: color-mix(in oklch, var(--brand-blue), white 95%);--widget-gap: 1rem;--widget-selection: var(--brand-rose);--widget-selection-soft: color-mix(in oklch, var(--widget-selection), transparent 60%);--widget-activity-hover-bg: color-mix(in oklch, var(--widget-element-active-fill), transparent 86%);--widget-activity-grid: color-mix(in oklch, var(--widget-color-black), white 82%);--widget-element-active-fill: var(--brand-purple);--widget-element-active-text: var(--widget-color-white);--widget-element-inactive-fill: color-mix(in oklch, var(--brand-purple), white 75%);--widget-element-inactive-text: var(--widget-color-black);--widget-element-active-edge: var(--brand-purple);--widget-element-inactive-edge: color-mix(in oklch, var(--brand-purple), white 60%);--widget-element-neutral-fill: color-mix(in oklch, var(--brand-purple), white 15%);--widget-element-neutral-text: var(--widget-color-white);--widget-element-neutral-edge: color-mix(in oklch, var(--brand-black), white 10%);--widget-activity-on: var(--widget-element-active-fill);--widget-activity-off: var(--widget-element-inactive-fill);--widget-binding-active-text: var(--brand-purple);--widget-binding-inactive-text: color-mix(in oklch, var(--brand-purple), white 40%);--widget-binding-neutral-text: color-mix(in oklch, var(--brand-purple), white 55%);--widget-gene-active-fill: color-mix(in oklch, var(--brand-blue), white 10%);--widget-gene-active-text: var(--widget-color-white);--widget-gene-active-edge: var(--brand-blue);--widget-gene-neutral-fill: color-mix(in oklch, var(--brand-blue), white 88%);--widget-gene-neutral-text: color-mix(in oklch, var(--widget-color-black), white 12%);--widget-gene-neutral-edge: color-mix(in oklch, var(--brand-blue), white 72%);--widget-gene-inactive-fill: color-mix(in oklch, var(--brand-blue), white 70%);--widget-gene-inactive-text: color-mix(in oklch, var(--widget-color-black), white 40%);--widget-gene-inactive-edge: color-mix(in oklch, var(--brand-blue), white 55%);--widget-gene-knockout-fill: color-mix(in oklch, var(--brand-rose), white 82%);--widget-gene-wipe: var(--brand-rose);--widget-nucleus-fill: transparent;--widget-nucleus-stroke: var(--widget-element-neutral-edge);--widget-scene-background: color-mix(in oklch, var(--widget-color-white), var(--brand-blue) 2%);--widget-scene-grid: color-mix(in oklch, var(--brand-blue), white 88%);--widget-scene-grid-stroke-soft: color-mix(in oklch, var(--brand-black), transparent 88%);--widget-scene-seen: color-mix(in oklch, var(--brand-seagull), white 28%);--widget-scene-wall: color-mix(in oklch, var(--brand-black), white 48%);--widget-scene-food: var(--brand-seagull);--widget-scene-trail: var(--widget-color-black);--widget-scene-worm: var(--brand-rose);--widget-scene-worm-eye: var(--widget-color-white);--widget-scene-crash: color-mix(in oklch, var(--brand-purple), white 15%);--widget-scene-ca-on: color-mix(in oklch, var(--widget-color-black), white 35%);--widget-scene-ca-off: color-mix(in oklch, var(--brand-blue), white 82%);--widget-scene-ca-selected: var(--widget-selection);--widget-scene-stimulus: color-mix(in oklch, var(--brand-seagull), white 70%);--widget-scene-diffusion-1: color-mix(in oklch, var(--brand-purple), white 15%);--widget-scene-diffusion-2: color-mix(in oklch, var(--brand-seagull), white 15%);--widget-scene-diffusion-3: color-mix(in oklch, var(--brand-rose), white 15%);--widget-timeline-highlight-bar: var(--brand-rose);--widget-timeline-highlight-fill: color-mix(in oklch, var(--brand-black), transparent 98%);--widget-mutation-bg: color-mix(in oklch, var(--brand-seagull), transparent 65%);--widget-diff-added: var(--brand-seagull);--widget-diff-removed: color-mix(in oklch, var(--widget-color-black), white 82%);--widget-diff-same: var(--widget-element-neutral-edge);--widget-hover: var(--brand-purple);--widget-note-color: var(--brand-rose);--widget-note-size: 2rem;--widget-note-fade: 2s;--widget-frame-color: var(--brand-rose);--widget-frame-size: 1rem}@view-transition{navigation: auto;}*{box-sizing:border-box;font-variation-settings:"slnt" var(--slnt),"MONO" var(--mono),"CASL" var(--casl),"wdth" var(--wdth),"CRSV" var(--crsv)}html{font-family:var(--font-body);font-size:var(--fs-base);line-height:var(--rhythm);color:var(--ink);background:var(--paper);scroll-padding-top:calc(var(--header-h) + var(--rhythm))}body{margin:0;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.site-header{flex-shrink:0;view-transition-name:site-header}::view-transition-old(site-header),::view-transition-new(site-header){animation:none;mix-blend-mode:normal}::view-transition-old(site-header){display:none}.page-grid,.content-custom{flex:1 0 auto}a{color:var(--link)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--heading);font-weight:800;--casl: .2;letter-spacing:-.01em;line-height:var(--rhythm);margin:var(--rhythm) 0 0}h1,h2,h3{line-height:calc(2 * var(--rhythm))}h1{font-size:1.6rem;font-weight:850;letter-spacing:-.02em}h2{font-size:1.35rem;font-weight:850;letter-spacing:-.02em}h3{font-size:1.15rem}p,ul,ol,blockquote,figure{margin-block:0 var(--rhythm)}::selection{background:color-mix(in oklch,var(--accent),transparent 78%)}code,pre{font-family:var(--font-mono);--mono: 1;font-size:.9em;font-variant-ligatures:none}code{line-height:1}pre,pre code{line-height:var(--rhythm)}pre{margin:0 0 var(--rhythm)}.math .katex-display{margin:0}.math.block{margin:var(--rhythm) 0}.math .katex{font-size:1.1em}.math.inline .katex{line-height:1}.content table{margin:0 auto var(--rhythm);border-collapse:collapse;font-size:var(--fs-small)}.content th,.content td{line-height:var(--rhythm);padding:0 .6em;text-align:left;border:0;vertical-align:top}.content th{font-weight:600;color:var(--heading)}.content tbody tr:nth-child(2n){background:color-mix(in oklch,var(--ink),transparent 95%)}.content thead th,.content tbody:last-of-type>tr:last-child>*{position:relative}.content thead th:after,.content tbody:last-of-type>tr:last-child>*:after{content:"";position:absolute;inset:0;pointer-events:none;border-bottom:1px solid var(--rule)}.content thead th:after{border-top:1px solid var(--rule)}.content thead tr:has(th)~tr th:after{border-top:0}.rhythm-debug{position:relative}.rhythm-debug:after{content:"";position:absolute;inset:0;z-index:9999;pointer-events:none;background-image:linear-gradient(to bottom,rgb(143 45 36 / .45) 0 1px,transparent 1px),linear-gradient(to bottom,rgb(82 117 126 / .22) 0 1px,transparent 1px);background-size:100% var(--rhythm),100% var(--space);background-position:0 0}.rhythm-debug .page-grid{position:relative}.rhythm-debug .page-grid:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:calc(var(--sidebar-width) + 2 * var(--gutter) + var(--body-width) + var(--margin-width));transform:translate(-50%);z-index:9998;pointer-events:none;--col: color-mix(in oklch, var(--brand-blue), transparent 62%);--out-col: color-mix(in oklch, var(--brand-rose), transparent 45%);--body-left: calc(var(--sidebar-width) + var(--gutter));--body-right: calc(var(--body-left) + var(--body-width));background-image:linear-gradient(var(--out-col),var(--out-col)),linear-gradient(var(--out-col),var(--out-col)),linear-gradient(var(--col),var(--col)),linear-gradient(var(--col),var(--col)),linear-gradient(var(--col),var(--col)),linear-gradient(var(--col),var(--col)),linear-gradient(var(--col),var(--col)),linear-gradient(var(--col),var(--col));background-size:1px 100%;background-repeat:no-repeat;background-position:calc(var(--body-left) - var(--outset)) 0,calc(var(--body-right) + var(--outset)) 0,0 0,var(--sidebar-width) 0,var(--body-left) 0,var(--body-right) 0,calc(var(--sidebar-width) + 2 * var(--gutter) + var(--body-width)) 0,100% 0}blockquote{border-left:3px solid var(--rule);margin-inline:0;padding-left:var(--rhythm);color:var(--muted)}.page-title{margin-top:0;text-align:center}.page-grid{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,66fr) minmax(0,28fr);gap:var(--gutter);align-items:start;max-width:calc(var(--sidebar-width) + var(--body-width) + var(--margin-width) + 2 * var(--gutter) + 2 * var(--page-pad));margin-inline:auto;position:relative;padding:var(--rhythm) var(--page-pad) 0}.site-sidebar{grid-column:1}.content{grid-column:2;min-width:0}.content .column-margin,.content aside.aside{float:right;clear:right;width:calc(28 / 66 * 100%);margin-right:calc(-1 * (28 / 66 * 100%) - var(--gutter));font-size:var(--fs-small);color:var(--muted)}.content .column-body-outset,.content .column-page{margin-left:calc(-1 * var(--outset))}.content .column-body-outset{margin-right:calc(-1 * var(--outset))}.content .column-page{margin-right:calc(-1 * (28 / 66 * 100% + var(--gutter)))}.content .column-body-outset>figcaption{margin-inline:var(--outset)}.content .column-page>figcaption{margin-left:var(--outset);margin-right:calc(28 / 94 * (100% - var(--outset) - var(--gutter)) + var(--gutter))}.content img{display:block;margin-inline:auto;max-width:100%;height:auto}.figure{margin:var(--rhythm) 0;text-align:center}.figure img{display:block;margin:0 auto}.content .graphviz-network-widget{margin-block:0}.replay-layout-row{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--rhythm);align-items:center}.replay-layout-row>[class*=g-col-]{grid-column:span 12;min-width:0}@media (min-width: 768px){.replay-layout-row>.g-col-md-1{grid-column:span 1}.replay-layout-row>.g-col-md-2{grid-column:span 2}.replay-layout-row>.g-col-md-3{grid-column:span 3}.replay-layout-row>.g-col-md-4{grid-column:span 4}.replay-layout-row>.g-col-md-5{grid-column:span 5}.replay-layout-row>.g-col-md-6{grid-column:span 6}.replay-layout-row>.g-col-md-7{grid-column:span 7}.replay-layout-row>.g-col-md-8{grid-column:span 8}.replay-layout-row>.g-col-md-9{grid-column:span 9}.replay-layout-row>.g-col-md-10{grid-column:span 10}.replay-layout-row>.g-col-md-11{grid-column:span 11}.replay-layout-row>.g-col-md-12{grid-column:span 12}}.figure figcaption{margin-top:0;padding-inline:var(--rhythm);font-size:var(--fs-small);color:var(--muted);text-align:left}.figure-number{font-weight:600;color:var(--heading)}.cell-output{overflow-x:auto}.xref{text-decoration:none;font-weight:500}a.citation{color:var(--link);text-decoration:none}a.citation:hover{text-decoration:underline}.footnotes,.references{margin:var(--rhythm) 0;border-top:1px solid var(--rule);padding-top:calc(var(--rhythm) - 1px);font-size:var(--fs-small)}.footnotes+.references{border-top:0;padding-top:0}.references h2,.footnotes h2{font-size:1.05rem;font-weight:800;line-height:var(--rhythm);margin:0;text-align:left}.ref-entry{margin:0;padding-left:var(--rhythm);text-indent:calc(-1 * var(--rhythm))}.footnotes{color:var(--muted)}.footnotes-list{margin:0}.footnotes-list p{margin-block:0}.footnotes-list p+p{margin-top:var(--rhythm)}.content sup,.content sub{font-size:.75em;line-height:0;position:relative;vertical-align:baseline}.content sup{top:-.5em}.content sub{bottom:-.25em}.footnote-ref a{text-decoration:none;font-weight:600}.footnote-backref{text-decoration:none}.fat{font-weight:700;font-variation-settings:"wght" 800,"MONO" 1;letter-spacing:.02em;color:var(--brand-purple)}.construction{color:var(--accent);font-style:italic}.smallcaps{font-variant-caps:all-small-caps;letter-spacing:.04em}.and-gene,.element-string,.and-code,.and-activity,.program-state{font-family:var(--font-mono);--mono: 1;font-variant-ligatures:none;font-feature-settings:"tnum" 1}.and-gene{display:inline-block;white-space:nowrap;padding:.16em .4em .12em;border-radius:.5em;line-height:1.25}.gene-neutral{color:var(--widget-gene-neutral-text);background:var(--widget-gene-neutral-fill)}.gene-active{color:var(--widget-gene-active-text);background:var(--widget-gene-active-fill)}.gene-inactive{color:var(--widget-gene-inactive-text);background:var(--widget-gene-inactive-fill)}.element-inactive{color:color-mix(in oklch,var(--ink),white 62%)}.element-bound{display:inline-grid;place-items:center;width:1ch;height:1.1em;line-height:1;vertical-align:-.08em;border-radius:999px;color:var(--widget-element-active-text);background:var(--widget-element-active-fill);box-shadow:0 0 0 1px var(--widget-element-active-edge)}.gene-trans-stimulus{color:color-mix(in oklch,var(--brand-blue),black 10%)}.gene-trans-memory{color:color-mix(in oklch,var(--brand-seagull),black 10%)}.gene-trans-response{color:color-mix(in oklch,var(--brand-rose),black 10%)}.and-code,.and-activity{margin:var(--rhythm) 0;padding:calc(var(--rhythm) / 2) var(--rhythm);border-radius:.5em;background:var(--surface);text-align:center;font-size:.95em;line-height:var(--rhythm)}.content-custom{padding:0 var(--page-pad) calc(2 * var(--rhythm))}.hero{position:relative;display:flex;flex-direction:column;justify-content:flex-start;min-height:calc(100dvh - var(--header-h) - 6 * var(--rhythm));max-width:min(var(--home-width),92vw);margin-inline:auto}.hero-canvas{position:fixed;inset:0;z-index:0;display:block;pointer-events:none}.hero h1{position:relative;z-index:1;max-width:min(22ch,100%);margin:0 auto;font-family:var(--font-brand);color:var(--ink);font-size:clamp(1.6rem,7.5vw,var(--hero-size));line-height:calc(var(--hero-leading) * var(--rhythm));font-weight:600;letter-spacing:-.02em;text-align:center;text-wrap:balance}@media (max-width: 700px){.hero h1 br{display:none}}@supports (-webkit-text-stroke: 1px black){.hero .outline{color:var(--paper);-webkit-text-stroke:var(--hero-outline) var(--ink);paint-order:stroke fill}}@media (forced-colors: active){.hero .outline{color:CanvasText;-webkit-text-stroke:0}}@media (min-width: 1200px) and (min-height: 900px){:root{--hero-leading: 4}.hero h1{max-width:20ch;font-size:clamp(3rem,5.6vw,calc(var(--hero-size) * 1.36))}}@media (max-width: 700px){:root{--hero-leading: 2}}.hero-switch{position:fixed;left:var(--page-pad);bottom:var(--page-pad);z-index:60;display:flex;gap:2px;padding:2px;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;background:color-mix(in oklch,var(--paper),transparent 15%);border:1px solid var(--rule);border-radius:999px;backdrop-filter:blur(6px)}.hero-switch button{padding:.25rem .7rem;font:inherit;color:var(--muted);background:none;border:0;border-radius:999px;cursor:pointer}.hero-switch button[aria-pressed=true]{color:var(--paper);background:var(--heading)}.site-header{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:1.5rem;height:var(--header-h);padding:0 var(--page-pad);background:var(--paper);border-bottom:1px solid var(--rule)}@media (max-height: 30rem) and (pointer: coarse){.site-header{position:relative;top:auto}}.site-brand{display:flex;align-items:center;gap:.15rem;text-decoration:none;transform-origin:center;transition:transform var(--mark-merge) ease-in-out}.site-brand:hover,.site-brand.at-home{transform:scale(1.04)}.site-brand:hover{transition:transform var(--mark-divide) ease-in-out}.site-logo{display:block;flex:none;width:44px;height:34px}.site-title{font-family:var(--font-brand);font-weight:600;font-size:var(--fs-brand);color:var(--ink)}.site-brand.at-home .site-title{color:var(--accent)}.site-nav{display:flex;gap:.25rem}.site-nav a{text-decoration:none;color:var(--ink);font-weight:500;padding:.2rem .6rem;border-radius:7px;transition:background .15s ease,color .15s ease,transform .15s ease}.site-nav a:hover{background:color-mix(in oklch,var(--ink),transparent 92%);transform:scale(1.08)}.site-nav a.active,.site-menu a.active{color:var(--accent);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.22em}.site-search-btn{margin-left:auto;display:inline-flex;align-items:center;gap:.4rem;padding:.25rem .5rem .25rem .4rem;font:inherit;color:var(--muted);background:none;border:1px solid var(--rule);border-radius:8px;cursor:pointer;transition:border-color .15s ease,color .15s ease}.site-search-btn:hover{color:var(--ink);border-color:var(--muted)}.site-search-btn svg{width:1rem;height:1rem;fill:none;stroke:currentColor;stroke-width:2}.site-search-btn .kbd{font-size:.72rem;letter-spacing:.02em}.site-menu-toggle{position:absolute;width:0;height:0;opacity:0}.site-menu-btn{display:none;align-items:center;justify-content:center;width:var(--rhythm);height:var(--rhythm);margin-right:-.75rem;color:var(--heading);cursor:pointer}.site-menu-icon{width:1.4rem;height:1.4rem;flex:none;fill:none;stroke:currentColor;stroke-width:2}.site-menu,.site-menu-scrim{display:none}.site-menu-toggle:checked~.site-menu,.site-menu-toggle:checked~.site-menu-scrim{display:block}.site-menu-scrim{position:fixed;inset:0;z-index:49}.site-menu{position:absolute;top:100%;left:var(--page-pad);z-index:50;min-width:15rem;max-height:calc(100dvh - var(--header-h) - 2 * 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