/* latin-ext */
@font-face {
  font-family: 'Instrument Sans';
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url(assets/fonts/instrument-sans-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Instrument Sans';
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url(assets/fonts/instrument-sans-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext */
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(assets/fonts/newsreader-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(assets/fonts/newsreader-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root{--ink:#21232a;--muted:#626772;--line:#dfe3e9;--cobalt:#2d49c6;--teal:#0b806d;--rose:#b94668;--ochre:#b58021;--paper:#fff;--soft:#f7f8fb;--reading:720px;--wide:1120px;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:20px;line-height:1.65;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}a{color:var(--cobalt);text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}button,input,a,summary{touch-action:manipulation}button:focus-visible,input:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--cobalt);outline-offset:4px}::selection{background:#e2e7ff;color:#151c46}p{margin:0 0 1.2em}h1,h2,h3,h4{font-weight:500;line-height:1.13;margin:0 0 .85em}h1,h2{font-family:var(--serif)}h2{font-size:39px;letter-spacing:-.03em}h3{font-size:25px;line-height:1.3;letter-spacing:-.025em}button{color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:3px;min-height:44px;padding:7px 14px;font-size:15px}button[aria-pressed=true]{border-color:var(--cobalt);color:var(--cobalt);background:#edf0ff}fieldset{border:0;padding:0;margin:0}legend{font-size:14px;font-weight:600;margin-bottom:8px}.prose{width:min(var(--reading),calc(100% - 48px));margin-inline:auto}.wide{width:min(var(--wide),calc(100% - 80px));margin-inline:auto}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;left:16px;top:-90px;padding:8px 16px;background:#fff;z-index:100}.skip-link:focus{top:10px}.reading-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:25px;height:64px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);padding:0 max(32px,calc((100vw - 1280px)/2));font-size:14px;backdrop-filter:blur(6px)}.essay-name{font-weight:650;text-decoration:none;color:var(--ink);letter-spacing:-.02em}.reading-header nav{display:flex;gap:26px}.reading-header nav a{color:var(--muted);text-decoration:none}.reading-header nav a:hover{color:var(--cobalt)}.reading-progress{height:2px;position:absolute;left:0;right:0;bottom:-1px;background:transparent}.reading-progress span{display:block;height:100%;width:0;background:var(--cobalt)}.opening{padding-top:66px;padding-bottom:80px}.publication-line{font-size:14px;color:var(--muted);margin-bottom:26px;letter-spacing:.005em}.opening h1{font-size:65px;line-height:1.06;letter-spacing:-.045em;margin-bottom:30px}.lead{font-size:21px;line-height:1.62;letter-spacing:-.012em}.opening-question{font-size:23px;font-weight:500;line-height:1.45;margin-top:28px;margin-bottom:28px;max-width:650px}.opening-question em{font-family:var(--serif);font-weight:500;color:var(--cobalt);font-size:1.12em}.read-on{font-size:15px;text-decoration:none;display:inline-flex;gap:15px;align-items:center;min-height:44px}.read-on span{font-size:20px}.passage{padding-top:52px;padding-bottom:54px}.passage p{letter-spacing:-.008em}.scope-note{font-size:16px;line-height:1.7;color:var(--muted);border-left:2px solid var(--line);padding-left:20px;margin-top:30px}.definition{border-top:1px solid var(--line);padding-top:23px;font-size:22px;color:var(--cobalt);margin-top:30px}.definition strong{font-weight:550}.evidence-scene{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:100px;margin-top:75px;margin-bottom:60px}.scene-visual{align-self:start;position:sticky;top:110px;padding-top:20px;padding-bottom:30px}.scene-visual h2{font-size:38px;margin-bottom:16px}.scene-context{font-size:16px;color:var(--muted);margin-bottom:22px}.response-dots{display:grid;grid-template-columns:repeat(6,1fr);gap:10px 12px;max-width:370px;min-height:204px}.response-dot{border:0;min-height:44px;padding:6px;display:grid;place-items:center;background:none;border-radius:0}.response-dot span{display:block;width:29px;height:29px;border-radius:50%;border:1.5px solid #aeb4c1;background:#fff;transition:background-color .25s,border-color .25s,transform .25s}.response-dot[data-active=true] span{background:var(--scene-color,var(--cobalt));border-color:var(--scene-color,var(--cobalt))}.response-dot:hover span{transform:scale(1.13)}.response-dot[aria-pressed=true] span{outline:2px solid var(--ink);outline-offset:4px}.scene-result{font-size:23px;line-height:1.4;max-width:380px;margin-top:28px;margin-bottom:20px;min-height:66px;color:var(--scene-color,var(--cobalt));font-weight:500;letter-spacing:-.02em}.scene-controls{display:flex;gap:7px}.scene-controls button{font-size:14px;padding:7px 15px}.graphic-note{font-size:14px;line-height:1.5;color:var(--muted);margin-top:19px;margin-bottom:16px}.response-detail{font-size:13px;color:var(--muted);line-height:1.55;max-width:395px;min-height:60px}.scene-story{padding-top:40px}.evidence-step{min-height:62vh;padding:70px 0 90px;display:flex;flex-direction:column;justify-content:center;scroll-margin-top:110px}.evidence-step:last-child{min-height:55vh;padding-bottom:40px}.evidence-step h3{font-family:var(--serif);font-size:32px}.evidence-step p{line-height:1.65;margin-bottom:0}.interactive-figure{margin-top:35px;margin-bottom:25px}.chart-legend{display:flex;gap:12px 25px;flex-wrap:wrap;font-size:14px;line-height:1.5;margin-bottom:16px}.chart-legend span,.matrix-legend span{position:relative;padding-left:23px}.chart-legend span:before,.matrix-legend span:before{content:"";width:15px;height:3px;position:absolute;left:0;top:.6em;background:var(--key-color)}.claim-key{--key-color:var(--cobalt)}.execution-key,.early-key{--key-color:var(--teal)}.valid-key{--key-color:var(--ochre)}.reference-key{--key-color:#7b8190}.original-key{--key-color:var(--rose)}.negative-key{--key-color:#8c94a1}.interface-key{--key-color:#272934}#cash-chart,#timing-chart{width:100%;height:350px;display:block;overflow:visible}svg text{font-family:var(--sans)}.budget-reader{width:min(650px,100%);margin:22px auto 27px}.budget-reader label{font-size:14px;color:var(--muted)}.range-row{display:flex;gap:18px;align-items:center;margin:8px 0 15px}.range-row button{width:44px;flex:none;font-size:23px;padding:0}.range-row input{width:100%;margin:0;accent-color:var(--cobalt);min-height:44px;cursor:pointer}#budget-reading{font-size:18px;line-height:1.6;margin:0}#budget-reading strong{font-weight:600}figcaption{font-size:14px;line-height:1.65;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}figcaption a{color:inherit}.model-quote{margin:34px 0 32px;padding:3px 0 3px 28px;border-left:2px solid var(--cobalt)}.model-quote>p{font-family:var(--serif);font-size:28px;line-height:1.45;letter-spacing:-.01em;margin-bottom:18px}.model-quote footer{font-size:14px;line-height:1.6;color:var(--muted)}.payment-reader{margin-top:42px;margin-bottom:40px}.payment-settings{display:flex;justify-content:space-between;gap:25px;border-top:1px solid var(--line);padding-top:24px;margin-bottom:22px}.button-group{display:flex;gap:8px}.button-group button{font-size:14px;min-height:44px;padding:8px 13px}.reference-label{font-size:14px;font-weight:550;margin-bottom:13px}.timing-legend{margin-bottom:10px}.event-reader{margin-top:18px;border-top:1px solid var(--line);padding-top:22px}.playback{display:flex;align-items:center;gap:12px}.playback button{min-width:76px}.playback input{flex:1;min-width:40px;accent-color:var(--cobalt);cursor:pointer;min-height:44px}.event-detail{min-height:120px;margin-top:20px;padding-left:18px;border-left:2px solid var(--cobalt)}.event-detail p{font-size:18px;line-height:1.6;margin:0 0 5px}.event-detail .event-day{font-size:14px;color:var(--muted);margin-bottom:7px}.event-detail .event-balance{font-size:16px}.event-detail .payment-failure{color:var(--rose);font-weight:550}.trajectory-result{font-size:17px;margin-top:20px;margin-bottom:25px;max-width:800px;line-height:1.65}.trajectory-result.failed{color:var(--rose)}.trajectory-result.complete{color:var(--teal)}.closing{padding-bottom:90px}.closing-line{font-family:var(--serif);font-size:31px;line-height:1.4;letter-spacing:-.025em;border-top:1px solid var(--line);padding-top:30px;margin-top:30px}.materials{padding:58px 0 45px;border-top:1px solid var(--line)}.material-intro{font-size:17px;color:var(--muted);line-height:1.7}.appendix{border-top:1px solid var(--line);font-size:16px;line-height:1.7}.appendix:last-child{border-bottom:1px solid var(--line)}.appendix summary{cursor:pointer;padding:22px 7px;font-size:18px;font-weight:500}.appendix summary span{color:var(--muted);font-size:14px;margin-left:20px;font-weight:400}.appendix-content{padding:0 8px 30px}.appendix-content p{max-width:800px}.appendix code{font-size:12px;overflow-wrap:anywhere;background:var(--soft);padding:3px 5px}.download-list a{display:flex;flex-direction:column;gap:5px;padding:14px 0;border-top:1px solid var(--line);text-decoration:none;min-height:70px}.download-list a:first-child{border-top:0}.download-list strong{font-size:16px;font-weight:550}.download-list span{color:var(--muted);font-size:14px}.sources ul{padding-left:20px}.sources li{padding:5px 0}.matrix-legend{display:flex;gap:10px 24px;flex-wrap:wrap;font-size:13px;margin:20px 0}.matrix-panel{margin-top:27px}.matrix-panel h4{font-size:15px;font-weight:600;margin-bottom:6px}.matrix-axis-note{font-size:12px;color:var(--muted);margin-bottom:10px}.matrix-scroll{overflow-x:auto;padding-bottom:12px}.matrix-grid{display:grid;grid-template-columns:30px repeat(21,minmax(24px,1fr));gap:4px;min-width:620px}.matrix-axis{font-size:10px;text-align:center;line-height:1.2;padding:5px 0;color:var(--muted)}.matrix-row-label{font-size:11px;align-self:center;color:var(--muted)}.matrix-cell{padding:0;border-radius:1px;border:0;min-height:22px;height:22px;min-width:22px;background:#8c94a1}.matrix-cell[data-outcome=completed]{background:var(--teal)}.matrix-cell[data-outcome=cash_false_assurance]{background:var(--rose)}.matrix-cell[data-outcome=positive_structural]{background:var(--ochre)}.matrix-cell[data-outcome=negative_feasible]{background:#aeb6c4}.matrix-cell[data-outcome=interface]{background:#272934}.matrix-cell[aria-pressed=true]{outline:2px solid var(--ink);outline-offset:1px}.matrix-detail{font-size:14px;line-height:1.65;background:var(--soft);padding:18px 20px;min-height:100px;margin:20px 0}.matrix-detail-label{font-weight:600;display:block;margin-bottom:6px}.detail-outcome{font-weight:500}.site-footer{display:flex;justify-content:space-between;gap:20px;padding:35px 0 60px;font-size:14px}.site-footer p{font-weight:550;line-height:1.7}.site-footer span{font-size:13px;color:var(--muted);font-weight:400}.site-footer a{align-self:start;min-height:44px}.no-script{font-size:16px;padding-bottom:40px}.data-loading{font-size:15px;color:var(--muted);grid-column:1/-1}.data-error{color:var(--rose);font-size:15px}.scientific-image{width:100%;height:auto;display:block}
@media(min-width:1500px){.opening{padding-top:85px;padding-bottom:100px}.opening h1{font-size:72px}}@media(max-width:1000px){.wide{width:calc(100% - 60px)}.evidence-scene{gap:50px}.scene-visual h2{font-size:33px}.response-dots{gap:5px}.evidence-step h3{font-size:29px}.payment-settings{flex-wrap:wrap;justify-content:flex-start;gap:20px 35px}.chart-legend{gap:10px 19px}}@media(max-width:700px){html{scroll-padding-top:70px}body{font-size:18px;line-height:1.7}.prose,.wide{width:calc(100% - 40px)}.reading-header{height:56px;padding:0 20px;gap:15px;font-size:12px}.reading-header nav{gap:16px}.reading-header nav a:nth-child(1),.reading-header nav a:nth-child(2){display:none}.opening{padding-top:42px;padding-bottom:48px}.publication-line{font-size:12px;margin-bottom:24px}.opening h1{font-size:47px;line-height:1.08;margin-bottom:25px}.lead{font-size:18px;line-height:1.65}.opening-question{font-size:20px;margin-top:24px}.read-on{font-size:14px}.passage{padding-top:36px;padding-bottom:34px}h2{font-size:32px;line-height:1.17}.scope-note{font-size:15px;padding-left:15px}.definition{font-size:20px}.evidence-scene{display:block;margin-top:38px;margin-bottom:35px}.scene-visual{position:sticky;top:56px;background:#fff;z-index:5;padding:22px 0 12px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;column-gap:20px}.scene-visual h2{font-size:24px;margin-bottom:9px;grid-column:1}.scene-context{font-size:12px;margin-bottom:7px;grid-column:1}.response-dots{grid-column:2;grid-row:1/4;grid-template-columns:repeat(6,1fr);gap:2px;min-height:120px;align-content:start;align-self:center}.response-dot{min-height:28px;padding:3px;min-width:0}.response-dot span{width:16px;height:16px}.scene-result{grid-column:1/-1;font-size:17px;min-height:0;max-width:none;margin:8px 0 10px}.scene-controls{grid-column:1/-1;gap:7px}.scene-controls button{font-size:12px;min-height:40px;padding:7px 13px}.graphic-note{grid-column:1/-1;font-size:11px;margin:9px 0 0;line-height:1.5}.graphic-note br{display:none}.response-detail{grid-column:1/-1;font-size:11px;line-height:1.4;min-height:0;margin:6px 0 0}.scene-story{padding-top:0}.evidence-step{min-height:58vh;padding:45px 0 65px;scroll-margin-top:300px}.evidence-step:last-child{min-height:50vh}.evidence-step h3{font-size:29px}.chart-legend{font-size:12px;gap:9px 14px}.chart-legend span,.matrix-legend span{padding-left:19px}.chart-legend span:before{width:12px}#cash-chart,#timing-chart{height:310px}.interactive-figure{margin-top:27px}.budget-reader{margin-top:17px}.budget-reader label{font-size:13px}#budget-reading{font-size:16px;min-height:80px}.range-row{gap:12px}figcaption{font-size:12px;line-height:1.7}.model-quote{padding-left:20px;margin-top:28px}.model-quote>p{font-size:25px}.model-quote footer{font-size:12px}.payment-reader{margin-top:28px}.payment-settings{gap:18px}.button-group{gap:6px;flex-wrap:wrap}.button-group button{font-size:13px;padding:7px 11px}legend{font-size:13px}.reference-label{font-size:12px;margin-bottom:13px}.playback{gap:8px;flex-wrap:wrap}.playback button{font-size:14px;min-width:65px}.playback input{min-width:120px;flex:1}.event-detail{min-height:150px;padding-left:14px}.event-detail p{font-size:16px}.event-detail .event-day{font-size:12px}.event-detail .event-balance{font-size:14px}.trajectory-result{font-size:15px;line-height:1.7}.closing-line{font-size:28px}.closing{padding-bottom:55px}.materials{padding-top:40px}.material-intro{font-size:15px}.appendix summary{font-size:17px;padding:18px 0}.appendix summary span{display:block;margin-left:19px;font-size:12px;margin-top:4px}.appendix-content{padding-inline:0;font-size:15px}.matrix-legend{font-size:11px;gap:8px 12px}.matrix-detail{font-size:13px;padding:15px}.site-footer{padding:25px 0 40px;flex-direction:column;font-size:13px}.site-footer span{font-size:12px}.site-footer p{margin-bottom:0}}@media(max-width:380px){.opening h1{font-size:40px}.prose,.wide{width:calc(100% - 32px)}.scene-visual{column-gap:10px}.scene-visual h2{font-size:22px}.response-dot span{width:14px;height:14px}.reading-header{padding:0 16px}.reading-header nav{gap:10px}.button-group button{font-size:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.response-dot:hover span{transform:none}}@media print{.reading-header,.scene-controls,.budget-reader,.payment-settings,.playback,.site-footer a{display:none}.prose,.wide{width:100%}.opening,.passage{padding:20px 0}.scene-visual{position:static}.evidence-step{min-height:0;padding:15px 0}.evidence-scene{gap:35px}.appendix-content{display:block}.site-footer{padding:20px 0}body{font-size:12pt}h1{font-size:32pt!important}h2{font-size:23pt!important}}

/* Mobile uses explicit evidence steps so the graphic does not compete with the prose. */

/* References stay close to the claim and remain usable at every reading width. */
.citation{font-family:var(--sans);font-size:.64em;line-height:0;vertical-align:super;white-space:nowrap;margin-left:.08em}
.citation a{color:var(--cobalt);text-decoration:none;text-underline-offset:.15em}
.citation a:hover{text-decoration:underline}
.citation a:focus-visible{outline:2px solid var(--cobalt);outline-offset:4px;border-radius:2px}
.proposal-heading{font-family:var(--sans);font-size:22px;font-weight:550;line-height:1.4;margin:35px 0 14px;letter-spacing:-.01em}
.section-kicker{font-size:14px;color:var(--cobalt);letter-spacing:.015em;margin-bottom:17px}
.proposal-heading span{font-size:15px;color:var(--cobalt);margin-right:10px;font-weight:500}
.implementation-detail{margin:30px 0 14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:16px;line-height:1.7}
.implementation-detail summary{cursor:pointer;font-size:16px;padding:18px 0;font-weight:500;line-height:1.5}
.implementation-detail summary span{display:block;color:var(--muted);font-weight:400;font-size:14px;margin:3px 0 0 20px}
.implementation-detail>div{padding:0 0 12px}
.implementation-detail p{margin:0 0 16px}
.cash-equation{display:flex;flex-wrap:wrap;gap:2px 20px;font-family:var(--serif);font-size:18px;line-height:1.8;margin:10px 0;max-width:100%}
.references{padding-left:28px;max-width:900px}
.references li{padding:10px 6px 16px;overflow-wrap:anywhere;scroll-margin-top:105px}
.references li:target{background:var(--soft);outline:1px solid var(--line)}
.reference-title{font-style:italic}
.reference-link{display:block;font-size:14px;line-height:1.6;margin-top:4px;overflow-wrap:anywhere}
.reference-backlinks{display:inline-flex;gap:12px;margin-left:10px;font-size:14px;white-space:nowrap}
.source-scope{font-size:14px;color:var(--muted);line-height:1.7}
@media(max-width:700px){.reading-header nav a[href="#timing"]{display:none}.proposal-heading{font-size:21px;margin-top:30px}.proposal-heading span{font-size:14px}.implementation-detail{font-size:15px}.implementation-detail summary{font-size:15px}.implementation-detail summary span,.source-scope,.reference-link{font-size:14px}.references{padding-left:24px}.references li{padding:10px 4px 14px;scroll-margin-top:76px}.citation{font-size:.68em}}

@media (max-width:700px){
  .scene-visual{position:static;display:block;padding:15px 0 26px;border-bottom:1px solid var(--line)}
  .scene-visual h2{font-size:30px;margin-bottom:15px}
  .scene-context{font-size:14px;margin-bottom:18px}
  .response-dots{grid-template-columns:repeat(6,1fr);gap:7px;max-width:370px;min-height:200px;margin-bottom:18px}
  .response-dot{min-height:44px;padding:7px}
  .response-dot span{width:25px;height:25px}
  .scene-result{font-size:21px;line-height:1.4;min-height:58px;margin:20px 0 18px}
  .scene-controls button{font-size:14px;min-height:44px;padding:7px 16px}
  .graphic-note{font-size:14px;line-height:1.6;margin-top:17px}
  .graphic-note br{display:inline}
  .response-detail{font-size:14px;line-height:1.5;min-height:60px;margin-top:12px}
  .evidence-step,.evidence-step:last-child{min-height:0;padding:34px 0 18px;scroll-margin-top:75px}
  .scene-story{padding-top:7px}
  .evidence-step h3{font-size:28px;margin-bottom:15px}
  .chart-legend{font-size:14px;gap:9px 18px}
  .budget-reader label,legend,.reference-label{font-size:14px}
  .button-group button{font-size:14px}
  .event-detail .event-day{font-size:14px}
  figcaption,.model-quote footer{font-size:14px}
  .matrix-grid{grid-template-columns:30px repeat(21,40px);min-width:950px;gap:4px}
  .matrix-cell{height:40px;min-height:40px;min-width:40px}
  .matrix-axis{font-size:12px}
}

/* Local static language catalogs share the existing essay and saved views. */
.language-picker{display:flex;align-items:center;gap:7px;flex:none;font-size:13px}
.language-picker label{color:var(--muted)}
.language-picker select{font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:3px;min-height:36px;max-width:150px;padding:5px 22px 5px 8px;cursor:pointer}
.language-picker select:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px}
.language-status{width:min(var(--reading),calc(100% - 48px));margin:20px auto 0;font-size:15px;color:var(--muted)}
.language-status[hidden]{display:none}
html:not([lang=en]){--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Arial,sans-serif;--serif:var(--sans)}
html[lang=zh-Hans]{--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
html[lang=ja]{--sans:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans CJK JP",sans-serif}
html[lang=ar]{--sans:"Geeza Pro","Noto Sans Arabic",Tahoma,Arial,sans-serif}
html[lang=ur]{--sans:"Noto Nastaliq Urdu","Geeza Pro","Noto Sans Arabic",Tahoma,Arial,sans-serif}
html[lang=hi],html[lang=mr]{--sans:"Kohinoor Devanagari","Noto Sans Devanagari",sans-serif}
html[lang=bn]{--sans:"Kohinoor Bangla","Noto Sans Bengali",sans-serif}
html[lang=gu]{--sans:"Kohinoor Gujarati","Noto Sans Gujarati",sans-serif}
html[lang=si]{--sans:"Sinhala Sangam MN","Noto Sans Sinhala",sans-serif}
html[lang=ta]{--sans:"Tamil Sangam MN","Noto Sans Tamil",sans-serif}
html:not([lang=en]) h1,html:not([lang=en]) h2,html:not([lang=en]) h3,html:not([lang=en]) p{letter-spacing:normal}
html[dir=rtl] .scope-note,html[dir=rtl] .model-quote,html[dir=rtl] .event-detail{border-left:0;border-inline-start:2px solid var(--cobalt);padding-left:0;padding-inline-start:20px}
html[dir=rtl] .chart-legend span,html[dir=rtl] .matrix-legend span{padding-left:0;padding-inline-start:23px}
html[dir=rtl] .chart-legend span:before,html[dir=rtl] .matrix-legend span:before{left:auto;inset-inline-start:0}
html[dir=rtl] .proposal-heading span{margin-right:0;margin-inline-end:10px}
html[dir=rtl] .appendix summary span,html[dir=rtl] .reference-backlinks{margin-left:0;margin-inline-start:20px}
html[dir=rtl] .citation{margin-left:0;margin-inline-start:.08em}
.references li{unicode-bidi:isolate}
bdi,.cash-equation{unicode-bidi:isolate}
.cash-equation,#cash-chart,#timing-chart,.range-row,.playback input,.matrix-scroll{direction:ltr}
#cash-chart text,#timing-chart text{unicode-bidi:plaintext}
html:not([lang=en]) .reading-header{gap:16px}
html:not([lang=en]) .reading-header nav{gap:16px}
html:not([lang=en]) .reading-header .essay-name{max-width:240px;line-height:1.3}
html[lang=ur] body{line-height:1.9}
@media(max-width:900px){.reading-header{gap:12px;padding-inline:20px}.reading-header nav{gap:16px}.language-picker label{display:none}.language-picker select{max-width:120px}}
@media(max-width:700px){
  html{scroll-padding-top:100px}
  .reading-header{height:auto;min-height:82px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;padding:8px 20px}
  .reading-header .essay-name{grid-column:1;grid-row:1;max-width:none;line-height:1.25}
  .reading-header nav{grid-column:1/-1;grid-row:2;justify-content:flex-start;gap:20px;min-height:30px}
  .reading-header nav a[href="#change"],.reading-header nav a[href="#materials"]{display:inline;white-space:normal;line-height:1.3;padding-block:5px}
  .language-picker{grid-column:2;grid-row:1;font-size:12px}
  .language-picker select{max-width:125px;min-height:36px}
  .language-status{width:calc(100% - 40px)}
  html[dir=rtl] .chart-legend span,html[dir=rtl] .matrix-legend span{padding-inline-start:19px}
}
@media print{.language-picker,.language-status{display:none}}
@media(min-width:701px) and (max-width:1000px){
  .reading-header{height:auto;min-height:82px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;padding-block:8px}
  .reading-header .essay-name{grid-column:1;grid-row:1;max-width:none;line-height:1.25}
  .reading-header nav{grid-column:1/-1;grid-row:2;gap:14px;flex-wrap:wrap;min-height:30px}
  .reading-header nav a{line-height:1.3;padding-block:5px}
  .language-picker{grid-column:2;grid-row:1}
}

/* Nastaliq needs room above and below the baseline, including wrapped controls. */
html[lang=ur] .opening h1{font-size:54px;line-height:1.95;margin-bottom:32px}
html[lang=ur] h2,html[lang=ur] h3,html[lang=ur] h4{line-height:1.9}
html[lang=ur] .lead{line-height:2.1}
html[lang=ur] .reading-header .essay-name,html[lang=ur] .reading-header nav a{line-height:2}
html[lang=ur] button,html[lang=ur] legend,html[lang=ur] summary{line-height:2}
html[lang=ur] .language-picker select{min-height:44px;line-height:2;padding-block:7px}
html[lang=ur] .scene-controls{flex-wrap:wrap}
@media(max-width:700px){html[lang=ur] .opening h1{font-size:36px;margin-bottom:30px}}

/* The protocol is part of the argument, before the results. */
.technical-section{border-top:2px solid var(--ink);padding-top:34px;margin-top:12px}
.technical-section>h2{max-width:820px;font-size:clamp(32px,3.3vw,46px);margin-bottom:32px}
.experiment-specs{display:grid;grid-template-columns:1fr 1fr 1fr;border-block:1px solid var(--line);margin:0 0 38px;padding:22px 0;gap:28px}
.experiment-specs>div{min-width:0}.experiment-specs p{font-size:13px;color:var(--muted);margin-bottom:6px}.experiment-specs strong{display:block;font-size:23px;line-height:1.4;font-weight:550;letter-spacing:-.025em}.experiment-specs small{display:block;font-size:12px;line-height:1.65;color:var(--muted);margin-top:7px}
.protocol-flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;column-gap:50px;row-gap:25px}.protocol-flow li{padding-bottom:18px;border-bottom:1px solid var(--line)}.protocol-flow h3{font-size:20px;color:var(--cobalt);line-height:1.5;margin-bottom:12px}.protocol-flow p{font-size:16px;line-height:1.85;margin:0}
.cash-math{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:50px;background:var(--soft);padding:28px;margin:30px 0}.cash-math p{font-size:16px;line-height:1.8;margin:0}.cash-math .cash-equation{font-family:var(--serif);font-size:24px;line-height:2.05;white-space:nowrap;text-align:center}.cash-equation sub{font-size:.6em}
.metric-definition{max-width:850px;margin:35px auto}.metric-definition h3{font-size:23px}.metric-definition p,.protocol-details p{font-size:17px;line-height:1.8}.protocol-details{margin-top:32px}.runtime-spec{font-size:13px;line-height:1.8;padding:22px;background:var(--soft);white-space:pre-wrap;overflow-wrap:anywhere;border-inline-start:2px solid var(--cobalt);margin:25px 0;text-align:left}.protocol-downloads{display:flex;flex-wrap:wrap;gap:14px 30px;font-size:15px;margin:16px 0}
@media(max-width:760px){.experiment-specs{grid-template-columns:1fr;gap:18px;padding:22px 0}.experiment-specs>div{display:grid;grid-template-columns:minmax(95px,.65fr) 1.35fr;gap:0 18px}.experiment-specs p{grid-row:span 2;margin-top:4px}.experiment-specs strong{font-size:21px}.experiment-specs small{margin:0}.protocol-flow{grid-template-columns:1fr;gap:22px}.cash-math{grid-template-columns:1fr;gap:20px;padding:20px 14px}.cash-math .cash-equation{font-size:clamp(17px,4.5vw,24px)}.technical-section>h2{font-size:32px}.protocol-flow p,.metric-definition p,.protocol-details p{font-size:16px}.protocol-downloads{display:grid;gap:14px}}
html[lang=ur] .protocol-flow p,html[lang=ur] .metric-definition p,html[lang=ur] .protocol-details p{line-height:2.3}html[lang=ur] .protocol-flow h3{line-height:2}html[lang=ur] .experiment-specs strong{line-height:2}

.output-schema{font-size:12px;line-height:1.85;color:var(--muted);border-inline-start:2px solid var(--line);padding-inline-start:14px;margin:18px 0 0;white-space:pre-wrap;overflow-wrap:anywhere;text-align:left}
.cash-math .cash-equation{display:block;min-width:0}
.technical-section>.publication-line{max-width:none}
.appendix-content bdi{overflow-wrap:anywhere}
html[lang=ta] .model-quote p,html[lang=ta] .closing-line{overflow-wrap:anywhere}

/* Formula notation is independent of the surrounding language and writing direction. */
.cash-equation math{font-family:"STIX Two Math","Cambria Math","STIXGeneral","Times New Roman",serif;direction:ltr;unicode-bidi:isolate;math-style:normal;font-size:1em;flex:none}
.cash-math .cash-equation{display:flex;flex-direction:column;align-items:center;gap:14px;line-height:1.6}
.implementation-detail .cash-equation{font-family:"STIX Two Math","Cambria Math","STIXGeneral","Times New Roman",serif;align-items:center;gap:16px 26px;padding-block:8px}
@media(max-width:380px){.implementation-detail .cash-equation{font-size:16px}}

/* Final edition — a quiet page, precise evidence, and room for a human voice. */
:root{
 --ink:#24312f;--muted:#626e68;--line:#d9dfd7;--cobalt:#3457ba;
 --teal:#137b6b;--rose:#b24761;--ochre:#9c7227;--paper:#f7f7f2;--soft:#eef1ea;
 --reading:740px;--wide:1240px;
 --sans:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
 --serif:"Newsreader","Iowan Old Style",Georgia,serif;
 --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
body{font-size:18px;line-height:1.85;font-optical-sizing:auto}
button,select,input{font-family:var(--sans)}
h1,h2,h3{font-weight:400;text-wrap:balance}h2{font-size:47px;line-height:1.1;letter-spacing:-.035em}
p{letter-spacing:0;text-wrap:pretty}p:last-child{margin-bottom:0}
a{transition:color .18s,text-decoration-color .18s}button{transition:background .18s,border-color .18s,color .18s,box-shadow .18s}
a:hover{color:#1b3c96}button:hover:not(:disabled){border-color:var(--cobalt)}
button:focus-visible,input:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--cobalt);outline-offset:5px}
::selection{background:#dfe6f8;color:#1e335c}
button{border-radius:2px;background:var(--paper);line-height:1.5}
button[aria-pressed=true]{color:white;background:var(--ink);border-color:var(--ink)}
.prose{width:min(var(--reading),calc(100% - 64px))}.wide{width:min(var(--wide),calc(100% - 80px))}
.reading-header{height:76px;padding-inline:max(32px,calc((100vw - 1392px)/2));gap:30px;background:rgba(247,247,242,.95);backdrop-filter:blur(18px);border-color:var(--line);font-size:13px}
.essay-name{display:flex;align-items:center;gap:13px;font-weight:600;letter-spacing:-.025em;line-height:1.25;max-width:260px}
.brand-mark{flex:none;color:var(--cobalt)}
.reading-header nav{gap:26px;align-self:stretch;align-items:center}
.reading-header nav a{position:relative;display:flex;align-items:center;height:100%;color:var(--muted)}
.reading-header nav a::after{content:"";position:absolute;bottom:0;inset-inline:0;height:2px;background:var(--cobalt);transform:scaleX(0);transition:transform .25s}
.reading-header nav a[aria-current=location]{color:var(--ink)}
.reading-header nav a[aria-current=location]::after{transform:scaleX(1)}
.reading-progress{bottom:-1px;height:2px;opacity:.4}
.language-picker{font-size:12px;gap:10px;border-inline-start:1px solid var(--line);padding-inline-start:20px}
.language-picker select{max-width:135px;min-height:40px;border:0;border-radius:0;background-color:transparent;padding-inline:6px 20px;font-size:13px}
.opening{width:min(var(--wide),calc(100% - 80px));padding:78px 0 62px;display:grid;grid-template-columns:1.1fr 1fr;gap:0 90px;position:relative}
.opening-title{grid-column:1;grid-row:1;border:0;padding:0}
.publication-line{font-size:12px;line-height:1.6;letter-spacing:.075em;text-transform:uppercase;color:var(--cobalt);margin:0 0 31px;max-width:460px}
html[lang=en] .opening h1,.opening h1{font-size:clamp(66px,5.65vw,83px);line-height:1.015;letter-spacing:-.046em;margin:0 0 23px;max-width:none}
.opening-deck{font-size:20px;line-height:1.6;color:var(--muted);max-width:475px;margin-bottom:0}
.opening-story{grid-column:2;grid-row:1/3;padding:6px 0 0;padding-inline-start:42px;border-inline-start:1px solid var(--line);align-self:stretch}
.story-kicker{display:flex;align-items:center;gap:12px;font-size:12px;line-height:1.6;color:var(--cobalt);letter-spacing:.055em;text-transform:uppercase;margin-bottom:27px}
.story-kicker::before{content:"";width:20px;height:1px;background:var(--cobalt);flex:none}
.lead{font-size:18px;line-height:1.86;margin:0 0 23px;letter-spacing:0}
.opening-story .lead strong{font-weight:600;color:var(--ink)}
.opening-story .lead:first-of-type::first-letter{font-family:var(--serif);font-size:1.15em}
.opening-finding{grid-column:1;grid-row:2;align-self:end;margin-top:35px;padding-top:20px;border-top:1px solid var(--line)}
.finding-context{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 14px;font-size:11px;line-height:1.5;color:var(--muted);margin:0 0 17px}
.finding-context>bdi{font-family:var(--mono);font-size:10px;letter-spacing:.025em;color:var(--ink)}
.finding-pair{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin:0}
.finding-pair>div{display:grid;grid-template-columns:auto 1fr;align-items:end;gap:9px 14px;min-width:0}
.finding-pair dt{grid-column:2;font-size:12px;line-height:1.45;align-self:center;max-width:115px}
.finding-pair dd{grid-column:1;grid-row:1;font-family:var(--serif);font-size:48px;line-height:1;margin:0;letter-spacing:-.045em;font-variant-numeric:lining-nums tabular-nums;color:var(--cobalt);white-space:nowrap}
.finding-pair dd>span{font-family:var(--sans);font-size:12px;letter-spacing:0;color:var(--muted)}
.finding-execution dd{color:var(--teal)}
.finding-marks{grid-column:1/-1;display:grid;grid-template-columns:repeat(24,1fr);gap:3px;direction:ltr;margin-top:1px}
.finding-marks i{height:12px;background:#e5e9e2;border:1px solid #d0d8ce}
.finding-marks i.filled{background:var(--cobalt);border-color:var(--cobalt)}
.opening-inquiry{grid-column:1/-1;display:grid;grid-template-columns:1fr auto;align-items:center;gap:70px;padding-top:34px;margin-top:48px;border-top:1px solid var(--ink)}
.opening-question{font-family:var(--serif);font-weight:400;font-size:29px;line-height:1.35;letter-spacing:-.015em;max-width:915px;margin:0}
.read-on{font-size:12px;line-height:1.5;max-width:130px;color:var(--ink);gap:18px;text-decoration:none;padding:10px 0;border-bottom:1px solid var(--line);transition:gap .2s,border-color .2s}
.read-on span{font-size:23px;display:block}.read-on:hover{gap:24px;border-color:var(--cobalt)}
.passage{padding-block:68px}.passage p{letter-spacing:0}
h2[data-section]::before{content:attr(data-section);display:block;font-family:var(--mono);font-size:11px;font-weight:400;line-height:1;letter-spacing:.07em;color:var(--cobalt);margin-bottom:22px}
#question{width:min(var(--wide),calc(100% - 80px));display:grid;grid-template-columns:1fr 1.4fr;gap:100px;padding-top:58px;border-top:1px solid var(--line);margin-top:10px}
#question>h2{max-width:400px;font-size:50px}#question .question-body p{font-size:18px}
#design{padding-top:22px;padding-bottom:80px}#design h2{font-size:43px;max-width:670px}
.definition{position:relative;font-family:var(--serif);font-size:30px;line-height:1.4;color:var(--ink);border:0;border-inline-start:2px solid var(--cobalt);padding:4px 0 4px 27px;padding-inline:27px 0;margin:36px 0 0}
.definition strong{font-weight:500;color:var(--cobalt)}
.technical-section{border:1px solid var(--line);border-top:2px solid var(--ink);padding:38px 48px 28px;margin-top:0;background:#fff}
.technical-section>.publication-line{margin-bottom:25px;max-width:none}
.technical-section>h2{font-size:47px;max-width:780px;margin-bottom:34px}
.technical-section h2[data-section]::before{display:none}
.experiment-specs{gap:32px;padding:26px 0;margin:0 0 38px;border-color:var(--line)}
.experiment-specs>div:not(:first-child){border-inline-start:1px solid var(--line);padding-inline-start:32px}
.experiment-specs p{font-size:11px;margin-bottom:7px;letter-spacing:.02em}
.experiment-specs strong{font-family:var(--sans);font-size:22px;line-height:1.4;font-weight:500;letter-spacing:-.025em}
.experiment-specs small{font-family:var(--mono);font-size:10px;line-height:1.7}
.protocol-flow{gap:32px 60px}.protocol-flow li{padding-bottom:26px}
.protocol-flow h3{font-size:18px;line-height:1.5;letter-spacing:-.015em;font-weight:500;margin-bottom:12px}
.protocol-flow p{font-size:15px;line-height:1.9;color:#49564f}
.output-schema{font-family:var(--mono);font-size:11px;border-color:#c8d2e5;color:#596576;line-height:1.8}
.cash-math{gap:45px;margin:34px 0;background:#f1f3ed;border:0;padding:28px 30px}
.cash-math p{font-size:15px;line-height:1.85}.cash-math .cash-equation{font-size:25px;color:var(--ink)}
.metric-definition{max-width:790px;margin:36px auto}.metric-definition h3{font-family:var(--serif);font-size:30px;line-height:1.3;margin-bottom:15px}
.metric-definition p,.protocol-details p{font-size:16px;line-height:1.85}
.protocol-details{margin-top:30px}.protocol-details summary{font-size:15px!important;padding-block:22px!important}
.runtime-spec{font-family:var(--mono);font-size:11px;background:var(--soft);line-height:1.9}.protocol-downloads{font-size:13px}
.evidence-scene{gap:120px;margin-block:84px 58px;padding-top:22px}
.scene-visual{top:105px;padding:0 0 24px}
.scene-visual h2{font-size:46px;margin-bottom:20px;max-width:450px}
.scene-context{font-size:13px;color:var(--muted);margin-bottom:30px}
.response-dots{max-width:392px;gap:13px;margin-top:0}
.response-dot{min-width:0;background:transparent!important;box-shadow:none!important}.response-dot span{width:32px;height:32px;background:var(--paper);border-color:#bdc7bc;transition:background-color .3s,border-color .3s,transform .2s}
.response-dot:hover span{transform:scale(1.15)}
.scene-result{font-family:var(--serif);font-size:29px;line-height:1.3;font-weight:400;max-width:425px;min-height:77px;margin:24px 0 20px}
.scene-controls{display:flex;gap:0;width:fit-content;max-width:100%;padding:4px;border:1px solid var(--line);border-radius:3px;background:#eef1ea;flex-wrap:wrap}
.scene-controls button{border:0;background:transparent;border-radius:1px;font-size:13px;min-height:39px;padding-inline:20px;color:var(--muted)}
.scene-controls button[aria-pressed=true]{background:var(--ink);color:white;box-shadow:0 1px 3px #15284412}
.graphic-note{font-size:12px;line-height:1.7;margin-top:21px}.response-detail{font-size:12px;line-height:1.7;min-height:50px}
.scene-story{padding-top:0}
.evidence-step{min-height:49vh;padding:68px 0;border-top:1px solid var(--line)}
.evidence-step:last-child{min-height:43vh;padding-bottom:48px}
.evidence-step h3{font-family:var(--serif);font-size:37px;line-height:1.12;max-width:430px;margin-bottom:23px}
.evidence-step p{font-size:19px;line-height:1.85;max-width:480px}
#cash{padding-top:15px}#cash>.prose>h2,#timing>.prose>h2{font-size:49px;max-width:730px}
.interactive-figure,.payment-reader{margin-block:39px 18px;padding:30px 36px 26px;background:#fff;border:1px solid var(--line);border-top:2px solid var(--ink);border-radius:0;box-shadow:0 12px 32px -30px #30433166}
.chart-legend{font-size:12px;gap:10px 28px;line-height:1.6;margin-bottom:24px}
.chart-legend span::before{height:2px;top:.65em}.chart-legend .reference-key::before{background:none;border-top:2px dashed var(--key-color)}.chart-legend .valid-key::before{background:none;border-top:2px dotted var(--key-color)}
#cash-chart,#timing-chart{height:380px}#cash-chart{cursor:crosshair}
svg text{font-family:var(--sans);font-variant-numeric:tabular-nums}
.budget-reader{width:min(820px,100%);margin:22px auto 28px;padding:24px 28px 23px;background:#f1f3ed;border:1px solid #e0e6dc;border-radius:2px}
.budget-heading{display:flex;justify-content:space-between;align-items:baseline;gap:20px}.budget-reader label{font-size:12px;color:var(--muted)}
#budget-amount{font-family:var(--serif);font-size:32px;line-height:1.2;letter-spacing:-.025em;font-variant-numeric:lining-nums tabular-nums;white-space:nowrap;color:var(--ink)}
.range-row{gap:18px;margin:8px 0 12px}.range-row button{border:1px solid #cbd5c9;background:white;border-radius:50%;height:40px;width:40px;min-height:40px;font-size:21px;color:var(--ink)}
input[type=range]{appearance:none;-webkit-appearance:none;background:transparent;min-height:40px;cursor:pointer;direction:ltr}
input[type=range]::-webkit-slider-runnable-track{height:3px;background:linear-gradient(to right,var(--cobalt) var(--range-progress,0%),#c5cec3 var(--range-progress,0%));border-radius:3px}
input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:18px;height:18px;background:var(--paper);border:2px solid var(--cobalt);border-radius:50%;margin-top:-7.5px;box-shadow:0 0 0 4px #ffffff80;transition:box-shadow .18s}
input[type=range]:hover::-webkit-slider-thumb{box-shadow:0 0 0 5px #3457ba15}
input[type=range]::-moz-range-track{height:3px;background:#c5cec3;border-radius:3px}input[type=range]::-moz-range-progress{height:3px;background:var(--cobalt)}
input[type=range]::-moz-range-thumb{width:15px;height:15px;border:2px solid var(--cobalt);background:var(--paper);border-radius:50%}
#budget-reading{font-size:16px;line-height:1.75;margin:0}#budget-reading strong{font-weight:500}
figcaption{font-size:13px;line-height:1.85;border-color:var(--line);padding-top:20px}figcaption a{color:var(--cobalt)}
#promise{padding-block:70px 52px}.model-quote{position:relative;border:0!important;border-inline-start:0!important;padding:31px 0 29px!important;margin:31px 0;background:none;border-block:1px solid var(--line)!important}
.model-quote>p{font-family:var(--serif);font-size:35px;line-height:1.35;letter-spacing:-.02em;color:var(--cobalt);margin-bottom:21px}
.model-quote footer{font-size:12px;line-height:1.8;max-width:650px}
.payment-settings{border:0;padding:0;margin-bottom:24px;gap:32px}.button-group{gap:6px}.button-group button{font-size:13px;background:transparent;padding-inline:16px;border-radius:2px}
.button-group button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}
legend{font-size:12px;color:var(--muted);font-weight:400;margin-bottom:11px}
.reference-label{border-block:1px solid var(--line);font-size:13px;font-weight:400;padding-block:13px;margin-bottom:22px}
.event-reader{background:#f1f3ed;border:1px solid #e0e6dc;border-radius:2px;padding:21px 26px;margin-top:20px}
.playback{gap:15px}.playback button{font-size:12px;min-width:78px;background:white;border-color:#cbd5c9;min-height:40px}
.event-detail{border-color:var(--cobalt);padding-inline-start:18px;min-height:122px;margin-top:21px}.event-detail .event-day{font-family:var(--mono);font-size:11px;line-height:1.8;margin-bottom:10px}
.event-detail p{font-size:18px;line-height:1.65}.event-detail .event-balance{font-size:15px}
.trajectory-result{font-size:17px;line-height:1.8;max-width:880px;margin-top:24px;margin-bottom:22px}
#theory{width:min(var(--wide),calc(100% - 80px));display:grid;grid-template-columns:1fr 1.4fr;gap:100px;border-top:1px solid var(--line);margin-top:45px;padding-top:65px}
#theory>h2{position:sticky;top:115px;align-self:start;font-size:50px;max-width:355px}
.theory-body>p{padding:24px 0;margin:0;border-top:1px solid var(--line)}.theory-body>p:first-child{border:0;padding-top:0}
#change{width:min(var(--wide),calc(100% - 80px));padding-top:72px}
#change>.section-kicker,#change>h2,#change>p,#change>.implementation-detail{max-width:var(--reading);margin-inline:auto}
#change>h2{font-size:56px;line-height:1.06;margin-bottom:30px}#change>h2::before{display:none}
.section-kicker{font-size:11px;line-height:1.6;letter-spacing:.085em;text-transform:uppercase;font-weight:500;margin-bottom:24px}
.proposal-row{display:grid;grid-template-columns:1fr 1.4fr;gap:100px;border-top:1px solid var(--line);padding-block:38px;margin-top:26px}
.proposal-heading{font-family:var(--serif);font-size:33px;line-height:1.16;font-weight:400;letter-spacing:-.025em;max-width:365px;margin:0}
.proposal-heading span{display:block;font-family:var(--mono);font-size:11px;line-height:1;margin:0 0 23px!important;color:var(--cobalt)}
.proposal-row>p{margin:0}.proposal-row:last-of-type{border-bottom:1px solid var(--line);margin-bottom:38px}
.implementation-detail{margin-top:36px!important;background:#edf1e9;border:1px solid var(--line);padding-inline:26px;border-radius:2px;line-height:1.85}
.implementation-detail summary{font-size:16px;padding-block:23px}.implementation-detail>div{padding-bottom:12px}.implementation-detail summary span{margin-inline-start:0}
.closing{position:relative;width:min(var(--wide),calc(100% - 80px));background:#203c36;color:#fff;padding:62px max(48px,calc((var(--wide) - var(--reading))/2));margin-top:52px;margin-bottom:100px;overflow:hidden}
.closing::before{content:"";position:absolute;inset-block-start:0;inset-inline-start:0;width:72px;height:3px;background:#d3dfaf}
.closing h2{font-family:var(--sans);font-size:13px;line-height:1.6;letter-spacing:.055em;text-transform:uppercase;color:#c0d0bb;font-weight:500;margin-bottom:26px}
.closing>p{font-size:17px;line-height:1.85;color:#dce4d9}
.closing .closing-line{font-family:var(--serif);font-size:43px;line-height:1.22;color:#fff;letter-spacing:-.02em;border-top:1px solid #a2b69d40;padding-top:29px;margin:32px 0 0}
.materials{padding-top:0;border-top:0}.materials>.prose{margin-bottom:35px}.materials h2{font-size:44px}.material-intro{font-size:16px;line-height:1.8}
.appendix{border-color:var(--line)}.appendix summary,.implementation-detail summary{position:relative;list-style:none;padding-inline:0 38px;transition:color .2s;font-weight:400}
.appendix summary::-webkit-details-marker,.implementation-detail summary::-webkit-details-marker{display:none}
.appendix summary::after,.implementation-detail summary::after{content:"+";position:absolute;inset-inline-end:3px;top:50%;transform:translateY(-50%);font-family:var(--sans);font-size:23px;font-weight:400;line-height:1;color:var(--cobalt)}
.appendix[open]>summary::after,.implementation-detail[open]>summary::after{content:"−"}
.appendix summary{font-size:19px;padding-block:24px}.appendix summary span{font-size:12px;margin-inline-start:24px}
.appendix summary:hover,.implementation-detail summary:hover{color:var(--cobalt)}.appendix[open]{padding-bottom:12px}.appendix-content{padding:4px 0 24px}
.download-list{display:grid;grid-template-columns:1fr 1fr;column-gap:48px}.download-list a{position:relative;padding:24px 32px 24px 0}.download-list a:nth-child(2){border-top:0}.download-list a::after{content:"↗";position:absolute;inset-inline-end:0;top:28px;color:var(--cobalt)}
.download-list strong{font-size:16px;font-weight:500}.download-list span{font-size:13px}
.references{max-width:1000px;font-size:15px}.reference-link,.reference-backlinks,.source-scope{font-size:13px}
.matrix-legend{font-size:12px}.matrix-cell{border-radius:1px}.matrix-detail{background:var(--soft);border-inline-start:2px solid var(--cobalt)}
.site-footer{border-top:1px solid var(--ink);margin-top:26px;padding-block:30px 50px;font-size:13px}.site-footer p{font-weight:500}.site-footer span{font-size:12px}
/* Latin translations share the type family; other scripts keep their native fonts. */
html:is([lang=fr],[lang=es],[lang=tr]){--sans:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--serif:"Newsreader",Georgia,serif}
html:not([lang=en]) .opening h1{font-size:clamp(43px,4.3vw,64px);line-height:1.24;letter-spacing:normal}
html:is([lang=fr],[lang=es],[lang=tr]) .opening h1{font-size:clamp(46px,4.7vw,68px);line-height:1.07;letter-spacing:-.03em}
html:not([lang=en]) .opening-question{font-size:24px;line-height:1.55}
html:not([lang=en]) .proposal-heading{font-size:29px;line-height:1.4}
html:not([lang=en]) .finding-pair dd,html:not([lang=en]) #budget-amount{font-family:"Newsreader",Georgia,serif}
html:not([lang=en]) .reading-header .essay-name{max-width:250px}
html[dir=rtl] .finding-pair dd{justify-self:start}
html[dir=rtl] .event-detail{padding-inline-start:18px}
html[dir=rtl] .download-list a{padding-inline:0 32px}
html[lang=ur] .opening h1{font-size:46px;line-height:1.9}
html[lang=ur] .opening-deck,html[lang=ur] .opening-question,html[lang=ur] .lead,html[lang=ur] .finding-pair dt,html[lang=ur] .story-kicker,html[lang=ur] .publication-line,html[lang=ur] .model-quote>p,html[lang=ur] .closing-line{line-height:2.05}
html[lang=ur] .proposal-heading{line-height:1.9}html[lang=ur] .protocol-flow p{line-height:2.3}
@media(max-width:1190px){
 .opening{column-gap:50px}.opening-story{padding-inline-start:30px}html[lang=en] .opening h1{font-size:70px}
 .finding-pair{gap:22px}.finding-pair>div{gap:9px}.finding-pair dt{font-size:11px}.finding-pair dd{font-size:42px}
 #question,#theory,.proposal-row{gap:60px}.evidence-scene{gap:75px}.technical-section{padding-inline:36px}
 .closing{padding-inline:90px}.reading-header{gap:18px}.reading-header nav{gap:20px}.language-picker{padding-inline-start:15px}
}
@media(max-width:1000px){
 .reading-header{height:auto;min-height:82px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:5px 12px;padding:12px 28px 0}
 .reading-header .essay-name{grid-column:1;grid-row:1;max-width:none!important;align-items:center;font-size:13px}
 .reading-header nav{grid-column:1/-1;grid-row:2;min-height:32px;gap:22px;flex-wrap:wrap;justify-content:flex-start}
 .reading-header nav a{height:auto;padding-block:7px;font-size:12px}.reading-header nav a::after{display:none}
 .language-picker{grid-column:2;grid-row:1;border:0;padding:0}.language-picker label{display:none}
 .wide{width:calc(100% - 60px)}.opening{width:calc(100% - 60px);column-gap:35px;padding-top:52px}
 html[lang=en] .opening h1{font-size:60px}.opening-story{padding-inline-start:24px}.lead{font-size:16px;line-height:1.85}.opening-deck{font-size:18px}
 .finding-pair>div{grid-template-columns:1fr;gap:10px}.finding-pair dt{grid-column:1;grid-row:2;max-width:none}.finding-pair dd{font-size:43px}.finding-marks{grid-row:3;gap:2px}.finding-context{font-size:10px}
 .opening-inquiry{gap:30px}.opening-question{font-size:25px}
 #question,#theory,#change{width:calc(100% - 60px)}#question,#theory,.proposal-row{gap:38px;grid-template-columns:.9fr 1.4fr}
 #question>h2,#theory>h2{font-size:40px}.evidence-scene{gap:50px}.scene-visual h2{font-size:39px}.response-dots{gap:7px}.scene-controls button{padding-inline:14px}
 .experiment-specs{gap:20px}.experiment-specs>div:not(:first-child){padding-inline-start:20px}.experiment-specs strong{font-size:20px}
 .protocol-flow{column-gap:32px}.cash-math{gap:25px;padding:25px 18px}.cash-math .cash-equation{font-size:22px}
 .closing{width:calc(100% - 60px);padding-inline:65px}.closing .closing-line{font-size:38px}
 html:not([lang=en]) .opening h1{font-size:42px}html[lang=ur] .opening h1{font-size:36px}
}
@media(max-width:760px){
 body{font-size:17px;line-height:1.85}.prose,.wide{width:calc(100% - 44px)}h2{font-size:37px;line-height:1.14}
 .reading-header{padding-inline:22px;gap:4px 10px}.brand-mark{width:22px;height:27px}.essay-name{gap:9px;font-size:12px!important}
 .reading-header nav{gap:20px}.reading-header nav a[href="#question"],.reading-header nav a[href="#responses"]{display:inline-flex}.reading-header nav a[href="#timing"]{display:none}
 .language-picker select{max-width:116px;min-height:36px;font-size:12px;padding-inline:4px 17px}
 .opening{width:calc(100% - 44px);grid-template-columns:1fr;padding:39px 0 41px;gap:0}
 .opening-title{grid-row:1;grid-column:1}.publication-line{font-size:10px;letter-spacing:.065em;margin-bottom:24px;max-width:320px}
 html[lang=en] .opening h1,.opening h1{font-size:clamp(48px,10.7vw,72px);line-height:1.025;margin-bottom:22px;letter-spacing:-.04em}
 .opening-deck{font-size:17px;line-height:1.65;max-width:480px}
 .opening-finding{grid-column:1;grid-row:2;margin-top:27px;padding-top:18px}
 .finding-context{font-size:10px;gap:6px 12px;margin-bottom:17px}.finding-context>bdi{font-size:9px}
 .finding-pair{gap:26px}.finding-pair>div{grid-template-columns:auto 1fr;gap:10px}.finding-pair dt{grid-column:2;grid-row:1;font-size:11px}.finding-pair dd{font-size:44px}.finding-pair dd>span{font-size:10px}
 .finding-marks{grid-row:2;gap:2px}.finding-marks i{height:10px}
 .opening-story{grid-column:1;grid-row:3;padding:0;border:0;margin-top:39px}
 .story-kicker{font-size:10px;line-height:1.7;margin-bottom:22px;letter-spacing:.075em}.lead{font-size:17px;line-height:1.85;margin-bottom:21px}
 .opening-inquiry{grid-column:1;grid-row:4;display:block;margin-top:27px;padding-top:27px}.opening-question{font-size:27px;line-height:1.35;margin-bottom:19px}
 .read-on{font-size:12px;max-width:none;width:fit-content;gap:20px;min-height:44px;padding:5px 0}
 .passage{padding-block:44px}h2[data-section]::before{margin-bottom:20px;font-size:10px}
 #question{width:calc(100% - 44px);display:block;padding-top:36px;margin-top:0}#question>h2{max-width:100%;font-size:37px;margin-bottom:25px}
 #question .question-body p{font-size:17px}#design{padding-top:12px;padding-bottom:51px}#design h2{font-size:36px}.definition{font-size:28px;padding-inline-start:20px;margin-top:28px}
 .technical-section{width:calc(100% - 24px);padding:28px 20px 18px}.technical-section>.publication-line{font-size:10px;line-height:1.7;margin-bottom:18px}
 .technical-section>h2{font-size:35px;margin-bottom:26px}
 .experiment-specs{display:grid;grid-template-columns:1fr;gap:18px;padding:23px 0;margin-bottom:30px}
 .experiment-specs>div{display:grid;grid-template-columns:minmax(88px,.7fr) 1.3fr;gap:0 16px}
 .experiment-specs>div:not(:first-child){border:0;padding:0}.experiment-specs p{grid-row:span 2;font-size:11px;margin-top:3px}
 .experiment-specs strong{font-size:19px;letter-spacing:-.02em}.experiment-specs small{margin:4px 0 0;font-size:9px}
 .protocol-flow{grid-template-columns:1fr;gap:25px}.protocol-flow h3{font-size:17px}.protocol-flow p{font-size:15px;line-height:1.85}.protocol-flow li{padding-bottom:24px}
 .cash-math{grid-template-columns:1fr;padding:23px 16px;gap:24px;margin-block:25px}.cash-math .cash-equation{font-size:clamp(16px,4.6vw,25px)}
 .metric-definition{margin-block:30px}.metric-definition h3{font-size:29px}.metric-definition p,.protocol-details p{font-size:15px}
 .protocol-downloads{display:grid;gap:14px;font-size:13px}.runtime-spec{font-size:10px;padding:16px;line-height:1.85}
 .evidence-scene{display:block;margin-block:51px 38px;padding-top:0}.scene-visual{position:static;display:block;padding-bottom:30px;border-bottom:1px solid var(--line)}
 .scene-visual h2{font-size:38px}.scene-context{font-size:13px;margin-bottom:25px}.response-dots{gap:9px;max-width:360px}.response-dot span{width:29px;height:29px}
 .scene-result{font-size:29px;min-height:0;max-width:370px;line-height:1.32}.scene-controls button{font-size:13px;min-height:40px;padding-inline:18px}
 .graphic-note,.response-detail{font-size:12px;line-height:1.8}.response-detail{min-height:48px}
 .scene-story{padding-top:0}.evidence-step,.evidence-step:last-child{min-height:0;padding:29px 0;border-top:1px solid var(--line)}.evidence-step:first-child{border-top:0}
 .evidence-step h3{font-size:31px;margin-bottom:17px}.evidence-step p{font-size:17px;line-height:1.85}
 #cash{padding-top:0}#cash>.prose>h2,#timing>.prose>h2{font-size:37px}
 .interactive-figure,.payment-reader{width:calc(100% - 24px);padding:23px 15px 21px;margin-top:28px}
 .chart-legend{font-size:11px;gap:10px 18px;line-height:1.6;margin-bottom:21px}#cash-chart,#timing-chart{height:320px}
 .budget-reader{padding:19px 15px 18px;margin-block:20px}.budget-heading{gap:18px;align-items:start}.budget-reader label{font-size:11px;line-height:1.6;max-width:130px}
 #budget-amount{font-size:27px;line-height:1.3}.range-row{gap:13px;margin-block:7px 11px}.range-row button{width:38px;height:38px;min-height:38px}
 #budget-reading{font-size:14px;line-height:1.8;min-height:0}figcaption{font-size:12px;line-height:1.85;padding-top:17px}
 #promise{padding-block:42px 34px}.model-quote{padding-block:24px!important}.model-quote>p{font-size:30px;line-height:1.35}.model-quote footer{font-size:12px}
 .payment-settings{gap:22px}.button-group{gap:6px;flex-wrap:wrap}.button-group button{font-size:12px;padding-inline:13px;min-height:42px}legend{font-size:11px}
 .reference-label{font-size:12px;line-height:1.8}.event-reader{padding:17px 14px}.playback{gap:9px}.playback button{min-width:65px;font-size:12px}
 .event-detail{min-height:132px;padding-inline-start:14px}.event-detail .event-day{font-size:10px;line-height:1.9}.event-detail p{font-size:16px;line-height:1.7}.event-detail .event-balance{font-size:14px}
 .trajectory-result{font-size:15px;line-height:1.85}
 #theory{width:calc(100% - 44px);display:block;padding-top:40px;margin-top:20px}#theory>h2{position:static;max-width:100%;font-size:38px;margin-bottom:30px}.theory-body>p{padding-block:23px}
 #change{width:calc(100% - 44px);padding-top:45px}#change>h2{font-size:43px;line-height:1.08;margin-bottom:26px}.section-kicker{font-size:10px;letter-spacing:.07em}
 .proposal-row{display:block;padding-block:30px;margin-top:25px}.proposal-heading{max-width:100%;font-size:32px;margin-bottom:22px}.proposal-heading span{font-size:10px;margin-bottom:16px!important}
 .proposal-row:last-of-type{margin-bottom:28px}.proposal-row>p{font-size:17px;line-height:1.85}
 .implementation-detail{padding-inline:18px}.implementation-detail summary{font-size:15px;line-height:1.65}.implementation-detail summary span{font-size:12px;line-height:1.75}
 .closing{width:calc(100% - 24px);padding:35px 26px 39px;margin-top:26px;margin-bottom:62px}.closing h2{font-size:11px;line-height:1.7;margin-bottom:22px}
 .closing>p{font-size:16px;line-height:1.85}.closing .closing-line{font-size:33px;line-height:1.3;margin-top:27px;padding-top:24px}
 .materials{padding-top:0}.materials>.prose{width:100%;margin-bottom:30px}.materials h2{font-size:37px}.material-intro{font-size:15px}
 .appendix summary{font-size:17px;padding-block:22px}.appendix summary span{display:block;margin:7px 0 0!important;font-size:12px;line-height:1.6}
 .appendix-content{font-size:15px}.download-list{display:block}.download-list a:nth-child(2){border-top:1px solid var(--line)}.download-list a{padding-block:22px}
 .references{font-size:14px;padding-inline-start:22px}.source-scope,.reference-link{font-size:12px}
 .site-footer{padding-block:27px 38px;flex-direction:row;font-size:12px}.site-footer p{max-width:230px}.site-footer span{font-size:11px}.site-footer a{max-width:100px;font-size:11px}
 html:not([lang=en]) .opening h1{font-size:clamp(35px,8.9vw,48px);line-height:1.3;letter-spacing:normal}
 html:is([lang=fr],[lang=es],[lang=tr]) .opening h1{font-size:clamp(39px,9.7vw,55px);line-height:1.08;letter-spacing:-.025em}
 html:not([lang=en]) .opening-question{font-size:23px;line-height:1.6}
 html:not([lang=en]) .proposal-heading{font-size:27px;line-height:1.5}
 html[lang=ur] .opening h1{font-size:36px;line-height:1.95}html[lang=ur] .opening-question{line-height:2.05}
 html[lang=ur] .finding-pair{gap:18px}html[lang=ur] .finding-pair dt{font-size:11px;line-height:2}
 html[lang=ta] .opening h1,html[lang=si] .opening h1{font-size:34px;line-height:1.4}
}
@media(max-width:380px){
 .prose,.wide,.opening,#question,#theory,#change{width:calc(100% - 36px)}.reading-header{padding-inline:18px}.reading-header nav{gap:15px}.reading-header nav a{font-size:11px}
 .brand-mark{display:none}.language-picker select{max-width:104px}.essay-name{max-width:160px!important}
 .finding-pair{gap:20px}.finding-pair dd{font-size:38px}.finding-pair dt{font-size:10px}.finding-pair dd>span{font-size:9px}
 .finding-pair>div{gap:7px}.finding-marks{gap:1.5px}.finding-context{font-size:9px}
 .technical-section,.interactive-figure,.payment-reader,.closing{width:calc(100% - 20px)}.technical-section{padding-inline:16px}.interactive-figure,.payment-reader{padding-inline:12px}
 .experiment-specs strong{font-size:17px}.experiment-specs>div{gap:0 12px}.technical-section>h2{font-size:31px}
 .chart-legend{font-size:10px;gap:10px 13px}.chart-legend span{padding-inline-start:18px}
 .budget-reader{padding-inline:12px}#budget-amount{font-size:25px}.budget-heading{gap:12px}.scene-controls button{padding-inline:15px}
 .opening-question{font-size:25px}.scene-visual h2,#cash>.prose>h2,#timing>.prose>h2{font-size:34px}.closing .closing-line{font-size:30px}
 html[lang=ta] .opening h1,html[lang=si] .opening h1{font-size:29px}
 html[lang=ur] .opening h1{font-size:31px}
}
@media(prefers-reduced-motion:no-preference){
 .opening-title,.opening-story,.opening-finding,.opening-inquiry{animation:essay-enter .7s ease both}
 .opening-story{animation-delay:.12s}.opening-finding{animation-delay:.2s}.opening-inquiry{animation-delay:.3s}
 .finding-marks i.filled{animation:mark-enter .5s ease both}.finding-marks i:nth-child(3n+1){animation-delay:.2s}.finding-marks i:nth-child(3n+2){animation-delay:.3s}.finding-marks i:nth-child(3n){animation-delay:.4s}
 [data-reveal].will-reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.65,.3,1)}
 [data-reveal].will-reveal.is-visible{opacity:1;transform:none}
 @keyframes essay-enter{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:none}}
 @keyframes mark-enter{from{opacity:.2}to{opacity:1}}
}
@media print{
 :root{--paper:#fff}body{font-size:11pt}.reading-header{display:none}.prose,.wide,.opening,#question,#theory,#change,.closing{width:100%;max-width:none}
 .opening,#question,#theory,.proposal-row{display:block}.opening{padding:20px 0}.opening-story{border:0;padding:20px 0}.opening-finding{max-width:500px}
 #theory>h2,.scene-visual{position:static}.passage{padding:24px 0}.opening-inquiry{display:block}.opening-inquiry .read-on{display:none}
 .interactive-figure,.payment-reader,.budget-reader,.event-reader,.cash-math,.closing{background:white!important;color:var(--ink)!important;box-shadow:none}
 .closing{padding:20px 0;margin:10px 0 25px}.closing h2,.closing>p,.closing .closing-line{color:var(--ink)!important}.closing .closing-line{font-size:25pt}
 [data-reveal]{opacity:1!important;transform:none!important}.technical-section{padding:20px}.technical-section,.interactive-figure,.model-quote{break-inside:avoid}
 .site-footer{font-size:10pt}.brand-mark{display:none}
}

.technical-section>.publication-line::before{content:"02 /";font-family:var(--mono);margin-inline-end:13px;font-size:10px}
#change>.section-kicker::before{content:"07 /";font-family:var(--mono);margin-inline-end:13px;font-size:10px}

@media(max-width:900px){.cash-math{grid-template-columns:1fr;gap:22px}}
@media(max-width:380px){html[lang=ta] .technical-section>h2{font-size:30px}}