/* Article extensions on the same estudio.css and chrome.js as string theory. */
html{scroll-padding-top:85px}.skip{position:absolute;left:20px;top:-100px;z-index:2000}.skip:focus{top:60px;background:var(--bg);padding:10px}main{overflow:clip}button,input{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--ac2);outline-offset:5px}.hero{max-width:1600px;margin:auto;padding:110px var(--pad) 40px;display:grid;grid-template-columns:1.1fr 1fr;align-items:end;gap:6vw}.hero h1{font-size:clamp(43px,5.6vw,86px);font-weight:300;line-height:.97;max-width:17ch;letter-spacing:-.045em}.hero h1 b{font-weight:600}.hero .eyebrow{font-size:9px;margin-bottom:24px}.hero-intro{max-width:57ch;padding-bottom:5px}.hero-intro p{font-size:15px;line-height:1.7}.hero .fichas{margin-top:20px;gap:6px}.hero .fichas span{font-size:8px;padding:5px 8px}.chapter{max-width:1240px;margin:auto;padding:100px var(--pad);border-top:1px solid var(--edge)}.chapter.wide{max-width:1600px;padding:0 var(--pad) 45px;border:0}.atlas{display:grid;grid-template-columns:minmax(0,1fr) 310px;border-block:1px solid var(--edge)}.state-picker{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:0;border-bottom:1px solid var(--edge);padding:12px 0}.state-picker button{font:10px var(--mono);letter-spacing:.03em;color:var(--ink-3);padding:11px 13px;border:1px solid transparent;transition:background .2s,color .2s}.state-picker button:hover{color:var(--ink);background:rgb(var(--ink-rgb)/.04)}.state-picker button[aria-pressed=true]{border-color:rgb(var(--acc-rgb)/.6);color:var(--ink);background:rgb(var(--acc-rgb)/.16)}.brain-column{min-width:0;padding:20px 25px 15px 0;position:relative}.brain-readout{display:flex;align-items:center;justify-content:space-between;gap:15px;font:10px/1.6 var(--mono);color:var(--ink-2)}.live-dot{font-size:8px;color:var(--ac2);white-space:nowrap}.live-dot:before{content:'';display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--ac2);margin-right:6px}#brain{height:clamp(330px,36vw,550px);position:relative;isolation:isolate;touch-action:pan-y}#brain>canvas{position:absolute;inset:0;z-index:1;width:100%;height:100%;touch-action:pan-y}.fallback{width:100%;height:100%;object-fit:contain}.con-3d .fallback{visibility:hidden}#cerEtq{position:absolute;left:0;top:0;z-index:3;pointer-events:none;font:9px var(--mono);padding:7px 10px;background:var(--bg);border:1px solid}.brain-tools{display:flex;justify-content:space-between;align-items:center;font:8px var(--mono);letter-spacing:.12em;color:var(--ink-3);margin-top:-5px}.brain-tools button{padding:8px 12px;border:1px solid var(--edge-2);font:9px var(--mono);color:var(--ink-2);letter-spacing:0}.activity-key{display:flex;justify-content:center;gap:10px;align-items:center;font:9px var(--mono);color:var(--ink-3);margin:12px 0}.activity-key i{width:130px;height:3px;background:linear-gradient(90deg,#194578,#1acbd0,#ff5520,#ffe09a)}#state-trace{width:100%;height:84px;display:block}.trace-caption{font:7px var(--mono);letter-spacing:.12em;color:var(--ink-3);display:block;text-align:right}.caption,figcaption{font:10px/1.7 var(--mono);letter-spacing:0;color:var(--ink-3);margin-top:12px}.state-detail{border-left:1px solid var(--edge);padding:24px 0 25px 25px}.state-detail>span{font:9px/1.7 var(--mono);color:var(--ac2)}.state-detail h3{font-size:30px;font-weight:400;line-height:1.1;margin:14px 0 18px;letter-spacing:-.035em}.state-detail p{font-size:12px;line-height:1.75;margin:12px 0;color:var(--ink-2)}#region-bars{margin:24px 0}#region-bars>span{font:8px var(--mono);letter-spacing:.09em;color:var(--ink-3);display:block;margin-bottom:13px}#region-bars>div{display:grid;grid-template-columns:76px 1fr;align-items:center;gap:12px;margin:10px 0;font:10px var(--mono);color:var(--ink-2)}#region-bars i{height:3px;background:var(--edge)}#region-bars b{height:3px;display:block;background:var(--ac2);transition:width .5s ease}.state-detail .visual-pattern{border-left:1px solid var(--acc);padding-left:12px;color:var(--ink)}.state-science{border-top:1px solid var(--edge);padding-top:15px;margin-top:20px}.state-science summary{font:10px var(--mono);color:var(--ink-2)}.state-science h4{font:10px var(--mono);margin-top:20px;color:var(--ac2)}.state-science a{font:10px var(--mono);border-bottom:1px solid var(--edge-2)}.contents{display:flex;justify-content:center;flex-wrap:wrap;gap:24px;padding:25px var(--pad);border-block:1px solid var(--edge);font:9px var(--mono);letter-spacing:.08em;color:var(--ink-3)}.contents a:hover{color:var(--ink)}.section-title{margin-bottom:45px}.section-title>span{display:block;font:9px var(--mono);letter-spacing:.15em;color:var(--acc);margin-bottom:20px;text-transform:uppercase}.section-title h2{font-size:clamp(30px,4vw,52px);font-weight:300;line-height:1.05;letter-spacing:-.025em}.prose{max-width:76ch;margin:auto}.prose p{margin-bottom:24px}.prose .lead{font-size:clamp(18px,2vw,24px);line-height:1.55;color:var(--ink);font-weight:300}.prose h3{font-size:23px;font-weight:400;margin:40px 0 20px}.prose strong{color:var(--ink);font-weight:500}.cite{font:10px var(--mono);color:var(--ac2);margin-left:4px}.intro{max-width:78ch;margin-bottom:35px}.measurement{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin:55px 0}.measurement article{border-top:1px solid var(--edge);padding-top:25px}.measurement article>span{font:11px var(--mono);color:var(--ac2)}.measurement h3{font-size:21px;font-weight:400;margin:17px 0}.measurement p{font-size:14px}blockquote{font-size:clamp(24px,3vw,35px);line-height:1.4;font-weight:300;border-left:1px solid var(--acc);padding:10px 0 10px 27px;margin:60px 0 0;max-width:850px}.full-figure{margin:50px 0}.full-figure img{display:block;width:100%;height:auto}.full-figure:not(.empirical) img{filter:grayscale(.7);opacity:.85}.full-figure figcaption{margin-top:15px}.full-figure figcaption a{border-bottom:1px solid var(--edge-2)}.aside-note{padding:25px 28px;border:1px solid var(--edge);margin:40px auto 0;max-width:850px}.aside-note h3{font-size:20px;font-weight:400;margin-bottom:15px}.aside-note p{font-size:14px}.experiment{display:grid;grid-template-columns:1fr 1.15fr;gap:45px;border:1px solid var(--edge);padding:30px;margin:40px 0;background:rgb(var(--ink-rgb)/.015)}.experiment>div{min-width:0}.lab-label{font:9px var(--mono);letter-spacing:.1em;color:var(--ac2)}.experiment h3{font-size:26px;font-weight:400;margin:20px 0}.experiment p{font-size:13px}.experiment label{display:flex;justify-content:space-between;gap:10px;font:10px var(--mono);color:var(--ink-2);margin-top:25px}.experiment input{width:100%;accent-color:var(--acc);margin:15px 0;height:25px}.experiment canvas{width:100%;height:350px;display:block}.experiment .equation{font:16px/1.7 Georgia,serif;color:var(--ink);margin:20px 0;overflow-wrap:anywhere}.readouts{display:flex;gap:35px;margin:18px 0}.readouts output{display:block;font-size:34px;font-weight:300;color:var(--ac2);font-variant-numeric:tabular-nums}.readouts span{font:9px var(--mono);color:var(--ink-3)}#download,.button{display:inline-block;border:1px solid var(--edge-2);padding:12px 18px;font:10px var(--mono);color:var(--ink)}.references{list-style:decimal;padding-left:23px;margin-top:40px}.references li{padding:18px 10px;border-top:1px solid var(--edge);font-size:14px;line-height:1.6;scroll-margin-top:80px}.references li:target{background:rgb(var(--acc-rgb)/.1)}.references span{display:block;color:var(--ink-3);font:10px/1.6 var(--mono);margin-top:7px}.endnote{font-size:12px;margin:35px 0;color:var(--ink-3)}#fuentes details{border:1px solid var(--edge);padding:20px;margin:30px 0;font-size:13px}#fuentes details p{font-size:13px;margin-top:15px}#fuentes summary{font:11px var(--mono)}footer:not(.bn-foot){display:flex;justify-content:space-between;gap:25px;padding:40px var(--pad);font:10px var(--mono);color:var(--ink-3);border-top:1px solid var(--edge)}html[data-mode=light] .full-figure:not(.empirical) img{filter:invert(1) grayscale(1)}@media(max-width:1050px){.atlas{grid-template-columns:minmax(0,1fr) 260px}.state-picker button{padding:10px;font-size:9px}.brain-readout{font-size:9px}.live-dot{display:none}}@media(max-width:750px){.hero{grid-template-columns:1fr;padding-top:100px;gap:22px;padding-bottom:30px}.hero h1{font-size:54px}.hero-intro p{font-size:14px}.hero .fichas{margin-top:16px}.hero .eyebrow{font-size:8px;margin-bottom:20px}.atlas{grid-template-columns:1fr}.state-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:3px}.state-picker button{font-size:9px;padding:10px 5px}.brain-column{padding:18px 0}.brain-readout{font-size:9px}#brain{height:350px}.state-detail{padding:22px 0;border-left:0;border-top:1px solid var(--edge)}.state-detail h3{font-size:28px}.state-detail p{font-size:13px}#region-bars{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}#region-bars>span{grid-column:1/-1}#region-bars>div{grid-template-columns:64px 1fr;gap:8px;font-size:9px}.chapter{padding-top:65px;padding-bottom:65px}.contents{gap:18px;justify-content:flex-start}.measurement{grid-template-columns:1fr;gap:28px}.experiment{grid-template-columns:1fr;gap:20px;padding:22px}.experiment canvas{height:280px}.full-figure{margin:35px -8px}.section-title{margin-bottom:32px}footer:not(.bn-foot){flex-direction:column}.caption{font-size:9px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}#region-bars b{transition:none}}

.state-picker button{color:var(--ink-2);font-size:11px}.state-picker button[aria-pressed=true]{color:var(--ink)}
html[data-mode=light] .state-picker button{color:#34455b}html[data-mode=light] .state-picker button[aria-pressed=true]{color:#064fce}html[data-mode=light] .fichas span{color:#41536d}
@media(max-width:750px){.hero{padding-top:90px;padding-bottom:22px;gap:16px}.hero h1{font-size:48px}.hero-intro p{font-size:13px;line-height:1.6}.state-picker{grid-template-columns:repeat(3,1fr)}.state-picker button{font-size:10px;padding:10px 4px}.hero .fichas{display:none}#brain{height:330px}}
.hero{position:relative;min-height:650px;overflow:hidden}.hero-image{grid-column:1/-1;width:100%;max-height:380px;object-fit:cover;object-position:center 58%;margin-top:-10px;opacity:.9;mix-blend-mode:screen;mask-image:linear-gradient(90deg,transparent 0,#000 18%,#000 84%,transparent 100%)}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--edge);border:1px solid var(--edge);margin:40px 0}.evidence-card{background:var(--bg);padding:24px}.evidence-card .study-k{font:9px var(--mono);letter-spacing:.14em;color:var(--acc)}.evidence-card h3{font-size:20px;margin:18px 0 10px}.evidence-card p{font-size:13px;line-height:1.65}.evidence-card small{display:block;margin-top:18px;font:9px/1.6 var(--mono);color:var(--ink-3)}
@media(max-width:750px){.hero{min-height:590px}.hero-image{max-height:235px;margin-top:0;object-position:62% center}.evidence-grid{grid-template-columns:1fr}}

/* ═══════════════════════════════════════════════════════════════════════
   AMPLIACIÓN (16 sep 2026) — rejilla editorial y bloques nuevos.
   No sustituye nada de lo anterior: sólo sobrescribe el ancho útil desde
   «La pregunta científica» en adelante y añade las piezas agregadas.
   ═══════════════════════════════════════════════════════════════════════ */
@media(min-width:1180px){
  .chapter:not(.wide){
    max-width:1560px;display:grid;
    grid-template-columns:minmax(200px,.78fr) minmax(0,2.5fr) minmax(170px,.72fr);
    column-gap:clamp(26px,2.8vw,60px);align-items:start;
  }
  .chapter:not(.wide) > *{grid-column:2;}
  /* El título vive en la columna 1 y abarca dos filas: si ocupara una sola,
     una entrada de cinco líneas estiraría la fila y empujaría la tabla o la
     rejilla varios cientos de píxeles hacia abajo. No hay row-gap, así que
     abarcar una fila de más no cuesta nada cuando el capítulo es corto. */
  .chapter:not(.wide) > .section-title{grid-column:1;grid-row:1/span 2;align-self:start;position:sticky;top:96px;margin-bottom:0;}
  .chapter:not(.wide) > .full-figure,
  .chapter:not(.wide) > .experiment,
  .chapter:not(.wide) > .evidence-grid,
  .chapter:not(.wide) > .measurement,
  .chapter:not(.wide) > .rej-sim,
  .chapter:not(.wide) > .tabla,
  .chapter:not(.wide) > .personas,
  .chapter:not(.wide) > .tira,
  .chapter:not(.wide) > .creditos,
  .chapter:not(.wide) > .tesis{grid-column:2/4;}
  .prose{max-width:74ch;margin:0;}
  .intro{max-width:70ch;}
  .aside-note{margin-left:0;margin-right:0;}
}
@media(min-width:1600px){ .chapter:not(.wide){max-width:1680px;} }

/* Tesis investigable */
.tesis{border:1px solid rgb(var(--acc-rgb)/.4);background:rgb(var(--acc-rgb)/.045);padding:clamp(24px,2.6vw,40px);margin:40px 0;}
.tesis .k{font:9px var(--mono);letter-spacing:.2em;color:var(--acc);}
.tesis h3{font-size:clamp(22px,2.2vw,32px);font-weight:400;line-height:1.2;margin:16px 0 18px;letter-spacing:-.02em;}
.tesis p{font-size:15px;line-height:1.75;color:var(--ink-2);max-width:72ch;}
.tesis .pred{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:1px;background:var(--edge);border:1px solid var(--edge);margin-top:26px;}
.tesis .pred article{background:var(--bg);padding:20px;}
.tesis .pred span{font:9px var(--mono);letter-spacing:.14em;color:var(--ac2);}
.tesis .pred h4{font-size:16px;font-weight:500;margin:12px 0 8px;}
.tesis .pred p{font-size:13px;line-height:1.6;color:var(--ink-3);}
.tesis .refuta{margin-top:24px;border-left:2px solid var(--mal);padding-left:16px;font-size:14px;color:var(--ink-2);}

/* Rejilla de simulaciones propias */
.rej-sim{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:clamp(14px,1.6vw,26px);margin:40px 0;}
.rej-sim figure{margin:0;}
.rej-sim .fig{position:relative;border:1px solid var(--edge);background:var(--bg);aspect-ratio:16/10;overflow:hidden;}
.rej-sim .fig canvas{position:absolute;inset:0;width:100%;height:100%;}
.rej-sim figcaption{margin-top:12px;}
.rej-sim figcaption b{color:var(--ink-2);font-weight:400;}

/* Tablas de datos */
.tabla{overflow-x:auto;margin:34px 0;border-top:1px solid var(--edge);}
.tabla table{width:100%;border-collapse:collapse;min-width:680px;}
.tabla th,.tabla td{text-align:left;padding:13px 14px 13px 0;border-bottom:1px solid var(--edge);vertical-align:top;font-size:13.5px;line-height:1.55;color:var(--ink-2);}
.tabla th{font:9px var(--mono);letter-spacing:.16em;color:var(--ink-3);font-weight:400;}
.tabla td.n{font:12.5px var(--mono);color:var(--ink);}
.tabla td.bien{font:12.5px var(--mono);color:var(--ac2);}
.tabla td.f{font:10px var(--mono);color:var(--ink-3);letter-spacing:.06em;}

/* Retratos y láminas */
.personas{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr));gap:clamp(12px,1.4vw,22px);margin:36px 0;}
.persona{margin:0;border:1px solid var(--edge);background:rgb(var(--ink-rgb)/.015);display:flex;flex-direction:column;transition:border-color .35s ease;}
.persona .foto{aspect-ratio:4/5;overflow:hidden;border-bottom:1px solid var(--edge);background:var(--bg);}
.persona img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.06);transition:filter .7s ease,transform 1.2s cubic-bezier(.16,1,.3,1);}
.persona figcaption{margin:0;padding:14px;font-family:var(--sans);letter-spacing:0;line-height:1.45;display:flex;flex-direction:column;flex:1;}
.persona .nom{font-size:15px;color:var(--ink);font-weight:500;}
.persona .aporte{margin-top:6px;font-size:12.5px;color:var(--ink-3);flex:1;}
.persona .cred{margin-top:12px;font:8.5px var(--mono);letter-spacing:.06em;color:var(--ink-dim);}
@media(hover:hover) and (pointer:fine){ .persona:hover{border-color:rgb(var(--acc-rgb)/.42);} .persona:hover img{filter:grayscale(0);transform:scale(1.04);} }
.tira{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(12px,1.4vw,22px);margin:36px 0;}
.tira figure{margin:0;}
.tira .marco{border:1px solid var(--edge);overflow:hidden;aspect-ratio:4/3;background:#05070d;}
.tira img{width:100%;height:100%;object-fit:cover;}
@media(max-width:800px){ .tira{grid-template-columns:1fr;} }
.creditos{list-style:none;margin:34px 0 0;border-top:1px solid var(--edge);padding-top:20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:6px 26px;}
.creditos li{font:10px var(--mono);line-height:1.6;color:var(--ink-3);}

/* En móvil una caja 16/10 deja ~53 px de área de trazado: entre el rótulo de
   arriba, el pie medido y el espacio de las etiquetas del eje no queda figura.
   Vertical hay sitio de sobra, así que la caja se hace alta. */
@media(max-width:700px){ .rej-sim .fig{aspect-ratio:4/5;} }

/* La barra del sitio va fija: sin este margen, un salto a #tesis o
   #simulaciones deja el rótulo del capítulo debajo del header. */
.chapter{scroll-margin-top:96px;}
@media(max-width:700px){ .chapter{scroll-margin-top:108px;} }

/* ── PORTADA ───────────────────────────────────────────────────────────
   El hero traía min-height:650px con su contenido alineado al final: 419 px
   de negro encima. No necesita fondo propio — la simulación del cerebro que
   viene justo debajo ES la portada. Acá sólo se quita el vacío y entra la
   firma del autor. */
.hero{min-height:0;padding-bottom:28px;}
@media(max-width:750px){ .hero{min-height:0;} }
.hero .article-byline{margin-top:30px;}
.hero .article-byline img{border:1px solid var(--edge);}
.state-mobile,.brain-mini-header{display:none}
.brain-slot{scroll-margin-top:70px}
@media(max-width:750px){
 .state-picker{display:none}
 .state-mobile{display:grid;grid-template-columns:46px minmax(0,1fr) 46px;align-items:center;gap:8px;margin:4px 0 14px;padding:7px;border:1px solid var(--edge-2);border-radius:16px;background:rgb(var(--ink-rgb)/.035)}
 .state-mobile>button{height:46px;border:1px solid var(--edge);border-radius:11px;color:var(--ink);background:rgb(var(--ink-rgb)/.045);font:30px/1 var(--sans,sans-serif);cursor:pointer}
 .state-mobile>button:active{background:rgb(var(--acc-rgb)/.22)}
 .state-mobile label{min-width:0;text-align:center}
 .state-position{display:block;font:9px var(--mono);color:var(--ink-3);margin-bottom:3px;letter-spacing:.1em}
 .state-mobile select{display:block;width:100%;border:0;background:transparent;color:var(--ink);font:500 12px var(--mono);text-align:center;text-align-last:center;padding:5px 0;cursor:pointer;appearance:none}
 .state-mobile option{background:var(--bg);color:var(--ink)}
 .brain-tools{margin-top:0;gap:10px;min-height:36px}
 .brain-tools button{min-height:36px;border-radius:9px}
 .brain-viewer.is-floating{position:fixed;right:max(12px,env(safe-area-inset-right));bottom:calc(12px + env(safe-area-inset-bottom));width:min(210px,55vw);z-index:850;background:var(--bg);border:1px solid var(--edge-2);border-radius:20px;box-shadow:0 14px 55px #0006;overflow:hidden;padding:6px 8px 9px;isolation:isolate}
 .is-floating .brain-mini-header{display:flex;align-items:center;justify-content:flex-end;gap:2px;touch-action:none;cursor:grab;user-select:none}
 .brain-mini-header .brain-drag,.brain-mini-header button{display:grid;place-items:center;flex:0 0 36px;width:36px;height:36px;padding:0;color:var(--ink-2);background:none;border:0;border-radius:8px}
 .brain-mini-header svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
 .brain-mini-header button:hover,.brain-drag:hover{background:rgb(var(--ink-rgb)/.07);color:var(--ink)}
 .is-dragging .brain-mini-header{cursor:grabbing}
 .brain-mini-header button{cursor:pointer}
 .is-floating #brain{height:150px;touch-action:none}
 .is-floating #brain>canvas{touch-action:none}
 .is-floating #cerEtq{display:none}
 .is-floating .state-mobile{grid-template-columns:34px minmax(0,1fr) 34px;gap:2px;margin:0 0 5px;padding:4px;border-radius:12px}
 .is-floating .state-mobile>button{height:36px;font-size:25px;border:0;background:transparent}
 .is-floating .state-mobile select{font-size:9px;padding:5px 0}
 .is-floating .state-position{font-size:7px;margin:0}
 .is-floating .brain-tools{min-height:30px;justify-content:center}
 .is-floating .brain-tools>span{display:none}
 .is-floating .brain-tools button{width:100%;font-size:9px;min-height:30px;border:0;background:rgb(var(--ink-rgb)/.04)}
 .brain-viewer.is-floating.is-minimized{width:130px;padding:0;border:0;background:transparent;box-shadow:none;border-radius:0}
 .is-floating.is-minimized .brain-mini-header,.is-floating.is-minimized .state-mobile,.is-floating.is-minimized .brain-tools{display:none}
 .is-floating.is-minimized #brain{height:120px;background:transparent;cursor:pointer}
 .is-floating.is-minimized #brain>canvas{filter:drop-shadow(0 2px 3px rgba(0,0,0,.95)) drop-shadow(0 7px 10px rgba(0,0,0,.8))}
 html[data-mode=light] .is-floating.is-minimized #brain>canvas{filter:drop-shadow(0 0 2px rgba(255,255,255,.9)) drop-shadow(0 3px 4px rgba(20,30,45,.28)) drop-shadow(0 8px 12px rgba(20,30,45,.2))}
}