@font-face{font-family:"Newsreader";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/newsreader-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/newsreader-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Instrument Sans";font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/instrument-sans.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/plex-mono-400.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/plex-mono-500.woff2) format("woff2")}
:root{
  --canvas:#f1f0ec;--surface:#faf9f6;--subtle:#e9e7e2;--selected:#e4e6e6;--line:#dcdad4;--line-strong:#c2beb6;
  --ink:#151515;--ink-2:#4a4946;--muted:#77746e;--navy:#2c3e4a;--clay:#7c3b33;--clay-bg:#eee2de;--success:#3d5d4d;--success-bg:#e4eae5;--bone:#d9d4cb;
  --sans:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;--serif:"Newsreader",Georgia,"Times New Roman",serif;
  --measure:680px;--wide:1040px;--edge:48px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--canvas);color:var(--ink);font:15px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4,p,figure,ul,ol,dl,dd{margin:0}ul,ol{padding:0}
a{color:inherit;text-decoration:none}
button,select{font:inherit;color:inherit}button{cursor:pointer}
:focus-visible{outline:2px solid var(--navy);outline-offset:3px;border-radius:4px}
code,pre{font-family:var(--mono)}pre{white-space:pre-wrap;word-break:break-word;font-size:12px;line-height:1.7;margin:0}
strong,b{font-weight:600}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:10px;z-index:50}.skip-link:focus{left:12px}
.wrap{width:min(var(--measure),calc(100% - 2*var(--edge)));margin-inline:auto}
.wrap-wide{width:min(var(--wide),calc(100% - 2*var(--edge)));margin-inline:auto}
.wrap-inner{max-width:var(--measure);margin-inline:auto}

/* header */
.site-header{position:sticky;top:0;z-index:30;background:rgba(241,240,236,.9);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.scrolled{border-bottom-color:var(--line)}
.nav-wrap{width:min(var(--wide),calc(100% - 2*var(--edge)));height:60px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;letter-spacing:-.01em}
.crow{display:block;flex:none}
nav{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--ink-2)}
nav a{transition:color .15s}nav a:hover{color:var(--ink)}
.nav-paper{color:var(--ink);font-weight:500}
.nav-toggle{display:none}

/* hero */
.hero{padding:104px 0 56px}
.hero-crow{margin-bottom:28px}
.footer-brand{display:inline-flex;align-items:center;gap:10px}
.hush{display:inline-flex;color:inherit;text-decoration:none;border:0}
.hush-note{display:inline;margin:0 3px;font-family:var(--mono);font-size:10px;letter-spacing:.02em;opacity:.55}
.meta{font:12px/1.5 var(--mono);color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.meta>span:not(.tag){color:var(--line-strong)}
.tag{font:500 11px/1 var(--mono);color:var(--clay);background:var(--clay-bg);border-radius:8px;padding:5px 8px;letter-spacing:.02em}
h1{font-family:var(--serif);font-size:clamp(42px,6.6vw,70px);line-height:1.02;letter-spacing:-.022em;font-weight:400;margin-top:28px;max-width:12ch}
.mark{font-style:italic;color:var(--clay)}
.lede{font-size:19px;line-height:1.55;color:var(--ink-2);margin-top:28px;max-width:34em}
.hero-actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:36px}
.button{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:11px 20px;font-size:14px;font-weight:500;border:1px solid var(--line-strong);background:var(--surface);transition:background .15s,border-color .15s,color .15s}
.button:hover{border-color:var(--ink)}
.button.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.button.primary:hover{background:#000}
.button.small{padding:7px 14px;font-size:13px}
.text-link{font-size:14px;border-bottom:1px solid var(--line-strong);padding-bottom:2px;transition:border-color .15s}.text-link:hover{border-color:var(--ink)}

/* figures */
.figure{margin-top:8px}
.figure-frame,.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px}
.figure-bar{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2);min-height:52px}
.fig-no{font:500 11px var(--mono);color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.replay{margin-left:auto;border:0;background:none;font:500 12px var(--mono);color:var(--muted);padding:6px 8px;border-radius:8px}
.replay:hover{color:var(--ink);background:var(--subtle)}
figcaption{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.55}
figcaption a{border-bottom:1px solid var(--line-strong)}
.panel figcaption{padding:0 18px 16px;margin-top:0}

/* svg shared */
svg text{font-family:var(--sans)}
.node{fill:var(--surface);stroke:var(--line-strong);stroke-width:1}
.node.past{fill:var(--subtle);stroke:var(--line)}
.node.now{stroke:var(--navy)}
.node.good{fill:var(--success-bg);stroke:var(--success)}
.node.strong-node{fill:var(--ink);stroke:var(--ink)}
.n-kicker{font:500 10px var(--mono);fill:var(--muted);letter-spacing:.06em}
.n-text{font-size:15px;fill:var(--ink);font-weight:500}
.n-text.center{text-anchor:middle;fill:#fff;font-weight:600}
.n-code{font:13px var(--mono);fill:var(--ink-2)}
.n-text.sm{font-size:12.5px}
.n-code.sm{font-size:12px}
.n-code.xs{font-size:11px}
.n-code.strong{fill:var(--success);font-weight:500}
.e-label{font:11px var(--mono);fill:var(--muted)}
.e-label.clay{fill:var(--clay)}
.edge{fill:none;stroke:var(--line-strong);stroke-width:1.5}
.edge.now{stroke:var(--navy);stroke-width:1.75}
.edge.ghost{stroke:var(--clay);stroke-dasharray:5 5;stroke-width:1.5}
.ok-dot{fill:var(--success)}.ok-dot.muted{fill:var(--muted)}
.tick{fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cross circle{fill:var(--surface);stroke:var(--clay);stroke-width:1.5}.cross path{stroke:var(--clay);stroke-width:1.75;stroke-linecap:round}

/* fig 1 tree */
.fig-tree{margin-bottom:24px}
.tree{display:block;width:100%;height:auto;padding:18px 12px 6px}
.tree-v{display:none}
.tree .t-el{transition:opacity .5s ease,transform .5s ease}
.tree path.edge.t-el{stroke-dasharray:1 2;stroke-dashoffset:0;transition:stroke-dashoffset .7s cubic-bezier(.4,0,.2,1)}
.tree.is-playing .t-el:not(.on){opacity:0}
.tree.is-playing g.t-el:not(.on){transform:translateY(4px)}
.tree.is-playing path.edge.t-el:not(.on){opacity:1;stroke-dashoffset:1}
.tree .cross{transform-box:fill-box;transform-origin:center}
.tree .t-el.on .cross{animation:pop .45s ease}
@keyframes pop{0%{transform:scale(.4)}70%{transform:scale(1.15)}100%{transform:scale(1)}}

/* sections */
.section{padding-top:112px}
.section-no{font:500 12px var(--mono);color:var(--muted);letter-spacing:.04em}
h2{font-family:var(--serif);font-size:36px;line-height:1.1;letter-spacing:-.015em;font-weight:400;margin-top:10px}
h3{font-size:17px;font-weight:600;letter-spacing:-.01em}
.prose{font-size:17px;line-height:1.6;color:var(--ink-2);margin-top:16px}
.note,.small{font-size:13px;color:var(--muted);line-height:1.6}
.note{margin-top:20px}

/* results */
.effects{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink);margin-top:36px}
.effects>div{padding:20px 0 4px;display:flex;flex-direction:column;gap:2px}
.effects>div+div{padding-left:28px;border-left:1px solid var(--line)}
.effect-num{font-family:var(--serif);font-size:58px;font-weight:400;letter-spacing:-.02em;line-height:1.05}
.effect-model{font-size:14px;font-weight:500;margin-top:6px}
.effect-ci{font:12px var(--mono);color:var(--muted)}
.result-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:20px;margin-top:40px;align-items:start}
.segmented{margin-left:auto;display:flex;background:var(--subtle);border-radius:10px;padding:3px}
.segmented button{border:0;background:none;border-radius:8px;padding:5px 11px;font-size:13px;color:var(--ink-2);transition:background .15s,color .15s}
.segmented button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(21,21,21,.08),0 0 0 1px var(--line)}
.dot-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;padding:22px 18px 16px;max-width:420px}
.grid-dot{aspect-ratio:1;border-radius:4px;background:var(--line);transform:scale(1);transition:background .3s,transform .3s}
.grid-dot.both{background:#cfcbc3}
.grid-dot.loss{background:var(--clay)}
.grid-dot.gain{background:var(--navy)}
.dot-grid.filling .grid-dot{animation:dotIn .4s both;animation-delay:calc(var(--i) * 9ms)}
@keyframes dotIn{from{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1)}}
.pair-legend{display:flex;flex-wrap:wrap;gap:8px 18px;padding:0 18px;font-size:13px;color:var(--ink-2)}
.pair-legend span{display:inline-flex;align-items:center;gap:7px}.pair-legend b{font:500 13px var(--mono);color:var(--ink)}
.legend-dot{width:10px;height:10px;border-radius:3px;display:inline-block}.legend-dot.both{background:#cfcbc3}.legend-dot.loss{background:var(--clay)}.legend-dot.gain{background:var(--navy)}
.trajectory-note{margin:18px 18px 14px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.trajectory-note strong{font:500 13px var(--mono);color:var(--ink);margin-right:4px}
.condition-plot{padding:18px 18px 4px}
.condition-plot svg{display:block;width:100%;height:auto;overflow:visible}
.cp-label{font-size:12.5px;fill:var(--ink)}.cp-label.primary{font-weight:600}
.cp-axis{font:10px var(--mono);fill:var(--muted)}
.cp-grid{stroke:var(--line);stroke-width:1}
.cp-range{stroke:var(--line-strong);stroke-width:1.5}
.cp-mini{fill:var(--surface);stroke:var(--ink-2);stroke-width:1.5}
.cp-full{fill:var(--navy)}
.cp-legend{font:11px var(--mono);fill:var(--muted)}
.condition-plot .cp-dot{transition:transform .7s cubic-bezier(.3,.7,.2,1)}
.table-scroll{overflow-x:auto;padding:4px 18px 8px}
.results-table{width:100%;border-collapse:collapse;font-size:13px}
.results-table th,.results-table td{text-align:left;padding:9px 0;border-bottom:1px solid var(--line);font-weight:400}
.results-table thead th{font:500 11px var(--mono);color:var(--muted);letter-spacing:.03em}
.results-table td{font:13px var(--mono);text-align:right;width:80px}
.results-table thead th:not(:first-child){text-align:right}
.results-table tr:last-child>*{border-bottom:0}
.primary-row th{font-weight:600}
.primary-row th span,.cond-list dt span{font:500 10px var(--mono);border:1px solid var(--line-strong);border-radius:6px;padding:1px 5px;margin-left:6px;color:var(--ink-2);vertical-align:1px}
.score-panel figcaption{padding-top:8px}

/* cases */
#cases{padding-top:112px}
.case-controls{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:32px 0 14px}
.case-controls select{appearance:none;-webkit-appearance:none;background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23747c78' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 14px center;border:1px solid var(--line-strong);border-radius:10px;padding:9px 40px 9px 14px;font-size:14px;min-width:260px}
.case-arms{display:flex;gap:4px;background:var(--subtle);border-radius:10px;padding:3px}
.case-arms button{border:0;background:none;border-radius:8px;padding:6px 12px;font-size:13px;color:var(--ink-2)}
.case-arms button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(21,21,21,.08),0 0 0 1px var(--line)}
.case-browser{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.case-brief{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;padding:24px 26px}
.kicker{font:500 11px var(--mono);color:var(--muted);letter-spacing:.03em}
.case-brief h3{font-size:22px;margin-top:6px;letter-spacing:-.02em}
.case-brief p:not(.kicker){color:var(--ink-2);margin-top:6px;max-width:56ch}
.outcome-badge{font:500 12px var(--mono);white-space:nowrap;border-radius:8px;padding:6px 10px;background:var(--success-bg);color:var(--success)}
.outcome-badge.incomplete{background:var(--clay-bg);color:var(--clay)}
details>summary{cursor:pointer;list-style:none}details>summary::-webkit-details-marker{display:none}
details>summary:before{content:"+";font-family:var(--mono);display:inline-block;width:18px;color:var(--muted)}
details[open]>summary:before{content:"\2212"}
.case-policy{border-top:1px solid var(--line)}
.case-policy>summary{padding:13px 26px;font-size:13px;color:var(--ink-2)}
.policy-content{padding:0 26px 20px 44px;display:grid;gap:6px;font-size:14px;color:var(--ink-2)}
.policy-content h4{font:500 11px var(--mono);color:var(--muted);margin-top:10px;letter-spacing:.03em}
.policy-content pre{background:var(--subtle);border-radius:10px;padding:12px}
.trace-columns{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.trace-col{padding:22px 26px 24px;min-width:0}
.memory-col{background:var(--subtle);border-right:1px solid var(--line)}
.trace-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}
.trace-heading h4{font-size:14px;font-weight:600}
.column-hint{font-size:13px;color:var(--ink-2);margin-bottom:12px}
.source-request{font-size:13px;color:var(--ink-2);margin-bottom:12px}
.steps{display:grid;gap:0;position:relative}
.step{position:relative;padding:0 0 14px 22px;min-width:0}
.step:before{content:"";position:absolute;left:4px;top:8px;width:7px;height:7px;border-radius:50%;background:var(--surface);border:1.5px solid var(--ink-2)}
.step:after{content:"";position:absolute;left:7.25px;top:19px;bottom:0;width:1px;background:var(--line-strong)}
.step:last-child:after{display:none}
.memory-col .step:before{border-color:var(--muted)}
.target-col .step:before{background:var(--navy);border-color:var(--navy)}
.step-label{font:10px var(--mono);color:var(--muted);letter-spacing:.04em}
.step-title{font:500 13px var(--mono);color:var(--ink);margin-top:1px}
.step-result{font:12px var(--mono);color:var(--ink-2);margin-top:2px;overflow-wrap:anywhere}
.step details{margin-top:4px}
.step details>summary{font-size:12px;color:var(--muted)}
.step details pre,.raw-details pre{background:var(--subtle);border-radius:10px;padding:10px 12px;margin-top:6px;font-size:11.5px;max-height:320px;overflow:auto}
.raw-details{margin-top:6px}.raw-details>summary{font-size:13px;color:var(--ink-2)}
.final-response{margin-top:6px;padding:14px 16px;background:var(--subtle);border-radius:12px}
.final-response h4{font:500 11px var(--mono);color:var(--muted);letter-spacing:.03em;margin-bottom:6px}
.final-response p{font-size:14px;color:var(--ink)}
.case-scores{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.case-scores>div{padding:14px 26px;font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:2px}
.case-scores>div+div{border-left:1px solid var(--line)}
.case-scores strong{font:500 14px var(--mono);color:var(--success)}
.case-scores strong.neutral{color:var(--clay)}
.case-footer{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:14px 26px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.text-button{border:0;background:none;font-size:13px;color:var(--ink);white-space:nowrap;border-bottom:1px solid var(--line-strong);padding:0 0 2px;border-radius:0}
.text-button:hover{border-color:var(--ink)}
.noscript{font-size:14px;color:var(--ink-2)}

/* fig 4 loop */
.fig-loop{margin-top:40px}
.loop-layout{display:grid;grid-template-columns:1.25fr 1fr;align-items:stretch}
.loop{display:block;width:100%;max-width:500px;height:auto;padding:26px 22px;margin:auto}
.wire{fill:none;stroke:var(--line-strong);stroke-width:1.5}
.loop-wire{stroke:var(--ink-2)}
.token{fill:var(--clay);filter:drop-shadow(0 0 4px rgba(124,59,51,.4))}
#loop-tools .node,#loop-resp .node{transition:fill .25s,stroke .25s}
#loop-tools.active .node{fill:var(--selected);stroke:var(--navy)}
#loop-resp.active .node{fill:var(--success-bg);stroke:var(--success)}
#loop-resp.active.incomplete .node{fill:var(--clay-bg);stroke:var(--clay)}
.loop-trace{border-left:1px solid var(--line);padding:22px 22px 18px;display:flex;flex-direction:column;min-height:300px}
.loop-steps{list-style:none;margin-top:12px;display:grid;gap:8px;counter-reset:s}
.loop-steps li{font:12.5px/1.45 var(--mono);color:var(--ink);display:flex;gap:10px;counter-increment:s;animation:lineIn .35s both;min-width:0}
.loop-steps li:before{content:counter(s,decimal-leading-zero);color:var(--muted);flex:none}
.loop-steps li div{min-width:0}
.loop-steps li span{display:block;color:var(--muted);font-size:11.5px;overflow-wrap:anywhere}
@keyframes lineIn{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
.loop-result{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font:500 12px var(--mono);color:var(--muted);min-height:34px}
.loop-result.ok{color:var(--success)}.loop-result.bad{color:var(--clay)}

/* method */
.method-cols{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;margin-top:64px}
.method-cols h3{margin-bottom:12px}
.cond-list>div{padding:10px 0;border-top:1px solid var(--line)}
.cond-list dt{font-size:14px;font-weight:500}
.cond-list dd{font-size:13px;color:var(--ink-2);margin-top:1px}
.cond-list .is-m dt,.cond-list .is-c dt{font-weight:600}
.family-list{list-style:none;counter-reset:f;margin-bottom:18px}
.family-list li{counter-increment:f;font-size:14px;padding:10px 0;border-top:1px solid var(--line);display:flex;gap:12px}
.family-list li:before{content:counter(f,decimal-leading-zero);font:12px/1.9 var(--mono);color:var(--muted)}
.protocol-details{margin-top:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.protocol-details>summary,.citation-block>summary,.references-block>summary{padding:14px 0;font-size:14px;font-weight:500}
.protocol-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 32px;padding:4px 0 24px 18px;font-size:13px;color:var(--ink-2)}
.protocol-grid strong{display:block;font:500 11px var(--mono);color:var(--muted);letter-spacing:.03em;margin-bottom:4px}
.protocol-grid code{display:block;font-size:12px;color:var(--ink)}

/* limits */
.limits{list-style:none;margin-top:24px}
.limits li{padding:14px 0 14px 26px;border-top:1px solid var(--line);font-size:16px;color:var(--ink-2);position:relative}
.limits li:before{content:"";position:absolute;left:2px;top:24px;width:8px;height:1.5px;background:var(--clay)}

/* files */
.files{list-style:none;margin-top:24px;border-top:1px solid var(--ink)}
.files a{display:grid;grid-template-columns:170px 1fr auto;gap:16px;align-items:baseline;padding:15px 0;border-bottom:1px solid var(--line);transition:padding .2s,background .2s}
.files a:hover{padding-left:8px;padding-right:8px;background:var(--surface)}
.f-name{font-weight:500}.f-desc{color:var(--ink-2);font-size:14px}.f-type{font:500 12px var(--mono);color:var(--muted)}
.release-status{margin-top:24px;display:grid;gap:8px;font-size:14px;color:var(--ink-2)}
.citation-block{margin-top:28px;border-top:1px solid var(--line)}
.references-block{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.citation-content{padding:0 0 20px 18px;display:grid;gap:12px;justify-items:start}
.citation-content pre{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:12px}
.references-content{padding:0 0 20px 18px}
.reference-links{display:grid;gap:8px;margin-bottom:12px}
.reference-links a{font-size:14px;width:max-content;max-width:100%;border-bottom:1px solid var(--line-strong)}
.reference-links a:hover{border-color:var(--ink)}

/* footer */
.epigraph{margin-top:112px;display:grid;grid-template-columns:minmax(0,248px) minmax(0,1fr);gap:48px;align-items:end;color:var(--ink-2)}
.epigraph .plate{margin:0}
.epigraph .plate img{display:block;width:100%;height:auto;filter:grayscale(1) contrast(1.04);mix-blend-mode:multiply;opacity:.92;border:1px solid var(--line)}
.epigraph .plate figcaption{font:11px/1.6 var(--mono);color:var(--muted);margin-top:12px;text-wrap:pretty}
.epigraph .plate figcaption a{border-bottom:1px solid var(--line-strong)}
.epigraph .plate figcaption a:hover{color:var(--ink);border-color:var(--ink)}
.epigraph-text{padding-bottom:44px}
.epigraph blockquote{margin:0;text-wrap:balance;font:italic 400 21px/1.5 var(--serif);color:var(--ink)}
.epigraph .cite{font:12px/1.6 var(--mono);color:var(--muted);margin:14px 0 0}
.epigraph .gloss{font-size:14px;color:var(--muted);margin:18px 0 0;max-width:34em;text-wrap:balance}
.site-footer{margin-top:112px;border-top:1px solid var(--line);padding:24px 0 40px}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.footer-row a:hover{color:var(--ink)}
.footer-credit{margin-top:10px;font-size:11px;color:var(--muted);opacity:.75}
.footer-credit a{color:inherit}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);opacity:0;background:var(--ink);color:#fff;font-size:13px;padding:10px 16px;border-radius:10px;transition:opacity .2s,transform .2s;pointer-events:none;z-index:60}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:900px){
  :root{--edge:28px}
  .result-grid{grid-template-columns:1fr}
  .dot-grid{max-width:none}
  .loop-layout{grid-template-columns:1fr}
  .loop-trace{border-left:0;border-top:1px solid var(--line);min-height:0}
  .method-cols{grid-template-columns:1fr;gap:36px}
}
@media (max-width:700px){
  :root{--edge:18px}
  body{font-size:15px}
  .nav-wrap{height:56px}
  .nav-toggle{display:inline-flex;border:1px solid var(--line-strong);background:var(--surface);border-radius:10px;padding:6px 12px;font-size:13px}
  nav{display:none;position:absolute;top:56px;left:0;right:0;background:var(--canvas);border-bottom:1px solid var(--line);padding:6px 18px 14px;flex-direction:column;align-items:stretch;gap:0}
  nav.is-open{display:flex}
  nav a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}nav a:last-child{border-bottom:0}
  .hero{padding:64px 0 36px}
  h1{margin-top:20px}
  .lede{font-size:17px}
  .hero-actions{gap:18px}
  .section,#cases{padding-top:80px}
  h2{font-size:30px}
  .epigraph{grid-template-columns:1fr;gap:28px}
  .epigraph .plate{max-width:240px}
  .epigraph-text{padding-bottom:0}
  .epigraph blockquote{font-size:18px}
  .prose{font-size:16px}
  .tree-h{display:none}
  .tree-v{display:block;max-width:360px;margin:0 auto;padding:18px 14px 14px}
  .figure-bar{padding:12px 14px}
  .effect-num{font-size:40px}
  .effects>div+div{padding-left:16px}
  .effect-ci{font-size:11px}
  .case-controls select{width:100%;min-width:0}
  .case-arms{width:100%}.case-arms button{flex:1;padding:7px 6px;font-size:12px}
  .case-brief{flex-direction:column;gap:12px;padding:20px 18px}
  .case-policy>summary{padding:12px 18px}.policy-content{padding:0 18px 18px}
  .trace-columns{grid-template-columns:1fr}
  .memory-col{border-right:0;border-bottom:1px solid var(--line)}
  .trace-col{padding:20px 18px}
  .case-scores{grid-template-columns:1fr 1fr}
  .case-scores>div{padding:12px 18px}
  .case-scores>div:nth-child(3){border-left:0}
  .case-scores>div:nth-child(n+3){border-top:1px solid var(--line)}
  .case-footer{flex-direction:column;align-items:flex-start;padding:14px 18px}
  .loop{padding:14px 8px}
  .loop-trace{padding:18px}
  .protocol-grid{grid-template-columns:1fr;padding-left:0}
  .files a{grid-template-columns:1fr auto;gap:2px 12px}
  .f-desc{grid-column:1;grid-row:2;font-size:13px}.f-type{grid-row:1/3;grid-column:2;align-self:center}
  .limits li{font-size:15px}
  .citation-content,.references-content{padding-left:0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{transition:none!important;animation:none!important}
}
@media print{
  .site-header,.hero-actions,.segmented,.replay,.case-controls,.toast{display:none}
  body{background:#fff}.section{padding-top:32px}
  details>*{display:block!important}
}