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/* Research presentation: hierarchy, proof choreography and narrow-screen reading. */
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/* A distinct opening for the paper's methodological contribution. */
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/* A short scientific argument: three results, three visual instruments.
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body[data-journey="paper-presentation"] .pf-lens-connection path{fill:none;stroke:#657e60;stroke-width:1;stroke-dasharray:3 5;opacity:.5;vector-effect:non-scaling-stroke}
body[data-journey="paper-presentation"] .essential-formula{color:var(--green);padding-block:4px}
body[data-journey="paper-presentation"] .essential-method{background:#182c25;border-top:1px solid #91a58c;box-shadow:inset 0 1px 0 #f4f0e80c}
body[data-journey="paper-presentation"] .essential-method::before{background:radial-gradient(ellipse at 61% 58%,#7aa78917,transparent 65%)}
body[data-journey="paper-presentation"] .particle-figure{max-width:1000px}
body[data-journey="paper-presentation"] .particle-figure>figcaption{padding-top:20px;border-top:1px solid #bbd0bb26;font-size:16px;line-height:1.65}
body[data-journey="paper-presentation"] .particle-first-exit{transition:filter .3s}
body[data-journey="paper-presentation"] .particle-figure[data-crossed=true] .particle-first-exit{filter:drop-shadow(0 0 5px #e9dc9c66)}
body[data-journey="paper-presentation"] .reader-chapters a{position:relative;border-bottom-color:transparent!important}
body[data-journey="paper-presentation"] .reader-chapters a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--copper);transform:scaleX(0);transform-origin:left;transition:transform .25s}
body[data-journey="paper-presentation"] .reader-chapters a[aria-current=location]::after{transform:scaleX(1)}
body[data-journey="paper-presentation"] .reader-chapters a[aria-current=location] .reader-number{color:var(--ink)}
body[data-journey="paper-presentation"] :is(.hero-pdf,.download-button,.reader-pdf){transition:background-color .18s,border-color .18s,box-shadow .18s}
body[data-journey="paper-presentation"] :is(.hero-pdf,.download-button,.reader-pdf):hover{box-shadow:inset 0 1px 0 #ffffff17,0 4px 9px -6px #19352e70}
body[data-journey="paper-presentation"] :is(.download-button,.reader-pdf) svg{transition:transform .2s}
body[data-journey="paper-presentation"] :is(.download-button,.reader-pdf):hover svg{transform:translate(1px,-1px)}
body[data-journey="paper-presentation"] .source-link{text-decoration-color:#1766b260;transition:text-decoration-color .18s}
body[data-journey="paper-presentation"] .source-link:hover{text-decoration-color:currentColor}
body[data-journey="paper-presentation"] .download-grid{align-items:center}
body[data-journey="paper-presentation"] .download-copy .download-subtitle{max-width:38ch;text-wrap:pretty}
@media(min-width:1000px){
 body[data-journey="paper-presentation"] .essential-chapter .frontier-story{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:48px}
 body[data-journey="paper-presentation"] .welfare-layout{grid-template-columns:minmax(0,1.85fr) minmax(260px,1fr)}
}
@media(max-width:999px){
 body[data-journey="paper-presentation"] .pf-lens-connection{display:none}
 body[data-journey="paper-presentation"] .welfare-layout{column-gap:28px}
 body[data-journey="paper-presentation"] .essential-chapter .pf-lens-viewport{width:min(190px,calc(100% - 18px))}
}
@media(max-width:700px){
 body[data-journey="paper-presentation"] .welfare-layout{gap:30px}
 body[data-journey="paper-presentation"] .essential-chapter .frontier-visual{padding:20px 16px 14px}
 body[data-journey="paper-presentation"] .essential-chapter .welfare-figure{padding:20px 12px}
 body[data-journey="paper-presentation"] .essential-chapter .margin-note>.pf-lens-guided{display:grid;grid-template-columns:minmax(130px,170px) minmax(0,1fr);column-gap:24px;row-gap:0;padding-bottom:24px}
 body[data-journey="paper-presentation"] .pf-lens-heading{grid-column:1/-1}
 body[data-journey="paper-presentation"] .essential-chapter .pf-lens-viewport{width:calc(100% - 18px);max-width:170px;grid-column:1;grid-row:2/5;margin:18px auto}
 body[data-journey="paper-presentation"] .essential-chapter .pf-lens-caption{grid-column:2;font-size:23px!important}
 body[data-journey="paper-presentation"] .pf-lens-track,body[data-journey="paper-presentation"] .pf-lens-phase{grid-column:2}
 body[data-journey="paper-presentation"] .pf-lens-track{margin-top:16px}
 body[data-journey="paper-presentation"] .pf-lens-phase{font-size:11px;min-height:0}
 body[data-journey="paper-presentation"] .essential-chapter .pf-regime-controls .pf-button{font-size:22px;min-height:46px}
 body[data-journey="paper-presentation"] .pf-frontier-readout{font-size:13px;max-width:29ch}
 body[data-journey="paper-presentation"] .essential-chapter .pf-figure-tools{gap:10px}
}
@media(max-width:380px){
 body[data-journey="paper-presentation"] .essential-chapter .margin-note>.pf-lens-guided{grid-template-columns:minmax(125px,140px) minmax(0,1fr);column-gap:18px}
 body[data-journey="paper-presentation"] .essential-chapter .pf-lens-caption{font-size:21px!important}
 body[data-journey="paper-presentation"] .pf-lens-factor{font-size:20px}
 body[data-journey="paper-presentation"] .essential-chapter .pf-regime-controls .pf-button{font-size:20px}
}
@media(prefers-reduced-motion:reduce){
 body[data-journey="paper-presentation"] :is(.pf-regime-controls .pf-button,.particle-first-exit,.reader-chapters a::after,.source-link,.download-button svg,.reader-pdf svg){transition:none}
}
@media print{
 body[data-journey="paper-presentation"] :is(.pf-lens-connection,.pf-frontier-readout){display:none!important}
 body[data-journey="paper-presentation"] :is(.essential-chapter .frontier-visual,.essential-chapter .welfare-figure){background:transparent;box-shadow:none;border-color:#aaa}
 body[data-journey="paper-presentation"] .particle-first-exit{filter:none!important}
 body[data-journey="paper-presentation"] .reader-chapters a::after{display:none}
}
/* Text enlargement can move the caption beneath the optic rather than squeeze it. */
body[data-journey="paper-presentation"] .essential-chapter .pf-lens-caption{min-width:0;overflow-wrap:anywhere}
@media(max-width:700px){
 body[data-journey="paper-presentation"] .essential-chapter .margin-note>.pf-lens-guided{display:flex;flex-wrap:wrap;align-items:center;column-gap:24px;row-gap:0}
 body[data-journey="paper-presentation"] .pf-lens-heading{flex:1 0 100%}
 body[data-journey="paper-presentation"] .essential-chapter .pf-lens-viewport{flex:0 0 148px;width:148px;max-width:calc(100% - 18px)}
 body[data-journey="paper-presentation"] .essential-chapter .pf-lens-caption{flex:1 1 7em;max-width:none}
 body[data-journey="paper-presentation"] :is(.pf-lens-track,.pf-lens-phase){flex:1 0 100%}
}
@media(max-width:380px){body[data-journey="paper-presentation"] .essential-chapter .pf-lens-viewport{flex-basis:132px;width:132px}body[data-journey="paper-presentation"] .essential-chapter .margin-note>.pf-lens-guided{column-gap:18px}}

/* A small screen starts with the result and its diagram; supporting copy follows. */
@media(max-width:700px){
 body[data-journey="paper-presentation"] .hero{grid-template-columns:minmax(0,1fr);row-gap:0;padding-top:28px}
 body[data-journey="paper-presentation"] .hero-copy{display:contents}
 body[data-journey="paper-presentation"] .hero-copy>.eyebrow{grid-row:1;margin:0 0 16px}
 body[data-journey="paper-presentation"] .hero h1{grid-row:2;margin:0 0 16px}
 body[data-journey="paper-presentation"] .paper-subtitle{grid-row:3;max-width:36ch;font-size:15px;line-height:1.5}
 body[data-journey="paper-presentation"] .hero-rule{grid-row:4;margin:20px 0}
 body[data-journey="paper-presentation"] .hero-lead{grid-row:5;margin:0;max-width:30ch}
 body[data-journey="paper-presentation"] .hero-art{grid-row:6;margin:16px 0 0}
 body[data-journey="paper-presentation"] .hero-art>svg{display:block;max-height:350px;width:100%}
 body[data-journey="paper-presentation"] .hero-legend{margin-top:8px;padding-top:10px;font-size:12px;gap:4px 16px}
 body[data-journey="paper-presentation"] .hero-description{grid-row:7;margin-top:24px;max-width:45ch}
 body[data-journey="paper-presentation"] .hero-actions{grid-row:8;margin-top:20px}
 body[data-journey="paper-presentation"] .hero-foot{grid-row:9;margin-top:28px}
 body[data-journey="paper-presentation"] .essential-chapter .pf-lens-caption{font-size:21px!important;line-height:1.2}
 body[data-journey="paper-presentation"] .pf-lens-track{flex:0 0 72px;max-width:72px;margin-top:10px}
 body[data-journey="paper-presentation"] .pf-lens-phase{font-size:12px;margin-top:10px;flex:1 1 12em;padding-left:12px}
}
@media print{body[data-journey="paper-presentation"] .hero-copy{display:block}body[data-journey="paper-presentation"] .hero{display:block}}
/* Both publications use the same size, surface and position in the opening. */
body[data-journey="paper-presentation"] .hero-paper-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:100%}
body[data-journey="paper-presentation"] .hero-paper-links .hero-pdf{min-width:0;min-height:56px;gap:12px;padding:13px 16px;align-self:stretch}
body[data-journey="paper-presentation"] .hero-action-notes{max-width:none;gap:8px 20px}
@media(max-width:700px){body[data-journey="paper-presentation"] .hero-paper-links{gap:10px}body[data-journey="paper-presentation"] .hero-paper-links .hero-pdf{font-size:13px;line-height:1.4;padding:12px;min-height:62px;gap:8px}}
body[data-journey="paper-presentation"] .essential-chapter :is(.welfare-figure,.frontier-visual)>figcaption{font:400 14px/1.6 var(--sans);color:var(--muted)}
@media(max-width:700px){body[data-journey="paper-presentation"] .essential-chapter .welfare-figure>figcaption{font-size:15px;line-height:1.55}}