:root{--ink:#111;--muted:#696969;--paper:#fff;--soft:#f3f1ee;--rule:#d7d4d0;--red:#a63b2b;--max:1320px;--serif:Georgia,'Times New Roman',serif;--sans:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.45}.skip{position:fixed;left:1rem;top:-4rem;background:#fff;color:#000;padding:.8rem 1rem;z-index:20}.skip:focus{top:1rem}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - var(--max))/2));border-bottom:1px solid var(--rule);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:10;backdrop-filter:blur(8px)}.wordmark{font-size:11px;line-height:1.05;letter-spacing:.11em;font-weight:800;text-decoration:none;color:var(--ink)}.mode-switch{display:flex;border:1px solid var(--ink);padding:3px;border-radius:100px}.mode-btn{appearance:none;border:0;background:transparent;padding:.55rem 1rem;border-radius:100px;font:700 12px var(--sans);cursor:pointer;color:var(--ink)}.mode-btn.active{background:var(--ink);color:#fff}.hero{max-width:var(--max);min-height:calc(100vh - 82px);margin:auto;padding:6vh 32px 9vh;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:7vw;position:relative;overflow:hidden}.hero-copy{position:relative;z-index:2}.eyebrow,.kicker{font-size:11px;letter-spacing:.13em;text-transform:uppercase;font-weight:700}.eyebrow{max-width:39rem;border-left:3px solid var(--red);padding-left:1rem}.hero h1{font:normal clamp(4rem,8.5vw,8.8rem)/.8 var(--serif);letter-spacing:-.065em;margin:6vh 0 4vh}.hero h1 em{color:var(--red);font-weight:normal}.byline{font:17px/1.6 var(--serif);margin-bottom:2rem}.primary{background:var(--red);color:#fff;border:0;padding:1rem 1.25rem;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;gap:1.5rem;align-items:center}.cover-wrap{margin:0;position:relative;justify-self:center;z-index:2}.cover-wrap img{width:min(360px,32vw);display:block;box-shadow:18px 26px 50px rgba(0,0,0,.18);transform:rotate(1.1deg)}.cover-number{position:absolute;right:-3rem;top:-2.5rem;font:12px var(--sans);letter-spacing:.12em;writing-mode:vertical-rl}.framing{background:var(--ink);color:#fff;padding:9rem max(32px,calc((100vw - var(--max))/2))}.big-question{font:clamp(2rem,4vw,4.6rem)/1.08 var(--serif);max-width:1050px;margin:0 0 7rem}.lenses{display:grid;grid-template-columns:repeat(3,1fr);gap:4rem;border-top:1px solid #555;padding-top:2rem}.lenses div span{color:#d36b59;font-size:11px}.lenses strong{display:block;font:1.45rem var(--serif);margin:1rem 0}.lenses p{color:#aaa;max-width:20rem}.ruptures{display:flex;align-items:center;gap:1rem;margin:6rem 0 0;color:#bbb;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.ruptures span{color:#fff;font-size:1.6rem}.ruptures i{height:1px;background:#555;flex:1}.experience{max-width:var(--max);margin:auto;padding:8rem 32px}.view{display:none}.view.active{display:block}.section-head{display:flex;justify-content:space-between;align-items:end;gap:3rem;margin-bottom:4rem}.section-head h2,.closing h2,.chart-context h2{font:clamp(2.6rem,5vw,5.2rem)/.95 var(--serif);letter-spacing:-.045em;margin:.5rem 0}.section-head>p{max-width:34rem;color:var(--muted)}.kicker{color:var(--red)}.chapter-list{border-top:1px solid var(--ink)}.chapter{border-bottom:1px solid var(--rule)}.chapter-toggle{width:100%;display:grid;grid-template-columns:80px 1fr 40px;gap:1.2rem;text-align:left;align-items:start;padding:2.1rem 0;background:none;border:0;cursor:pointer;color:var(--ink)}.chapter-number{font-size:11px;text-transform:uppercase;letter-spacing:.1em;padding-top:.45rem}.chapter-title strong{display:block;font:clamp(1.55rem,3vw,3.1rem)/1 var(--serif)}.chapter-title em{display:block;font:italic 1rem var(--serif);margin-top:.65rem;color:var(--red)}.plus{font-size:2rem;font-weight:200;transition:transform .25s}.chapter.open .plus{transform:rotate(45deg)}.chapter-content{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s ease}.chapter-content>div{overflow:hidden}.chapter.open .chapter-content{grid-template-rows:1fr}.chapter-inner{display:grid;grid-template-columns:80px 1fr 1fr;gap:1.2rem;padding:0 0 3rem}.chapter-inner ol{grid-column:2;margin:0;padding:0;list-style:none}.chapter-inner li{padding:.7rem 0;border-bottom:1px dotted var(--rule);font-family:var(--serif)}.chapter-inner a{color:inherit;text-decoration:none}.chapter-inner a:hover{color:var(--red)}.chapter-charts{grid-column:3;background:var(--soft);padding:1.5rem}.chapter-charts p{margin-top:0;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.mini-chart{width:100%;text-align:left;padding:.8rem 0;border:0;border-top:1px solid #c8c4c0;background:none;cursor:pointer}.mini-chart span{color:var(--red);font-size:11px}.atlas-tools{display:flex;justify-content:space-between;align-items:end;gap:2rem;border-top:1px solid var(--ink);padding-top:2rem}.search{display:flex;flex-direction:column;gap:.45rem;font-size:11px;text-transform:uppercase;letter-spacing:.08em;flex:1;max-width:460px}.search input{border:0;border-bottom:1px solid var(--ink);padding:.75rem 0;font:1.25rem var(--serif);outline:none}.filters{display:flex;flex-wrap:wrap;gap:.5rem}.filter{border:1px solid var(--rule);background:#fff;padding:.6rem .85rem;border-radius:100px;cursor:pointer;font-size:12px}.filter.active{background:var(--red);border-color:var(--red);color:#fff}.result-count{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:2.5rem 0 1rem}.catalog{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}.catalog-item{min-height:225px;padding:1.5rem 1.5rem 1.5rem 0;border-bottom:1px solid var(--rule);border-right:1px solid var(--rule);display:flex;flex-direction:column;justify-content:space-between}.catalog-item:nth-child(3n){padding-left:1.5rem;border-right:0}.catalog-item:nth-child(3n+2){padding-left:1.5rem}.catalog-meta{display:flex;justify-content:space-between;color:var(--red);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.catalog-item h3{font:1.35rem/1.16 var(--serif);margin:1rem 0}.catalog-item footer{display:flex;justify-content:space-between;align-items:end;color:var(--muted);font-size:11px}.catalog-item button{border:0;background:var(--ink);color:#fff;padding:.6rem .8rem;cursor:pointer}.catalog-item.locked button{background:transparent;color:var(--muted);border:1px solid var(--rule);cursor:default}.closing{background:var(--soft);padding:8rem max(32px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:.45fr 1fr;align-items:center;gap:8vw}.closing img{width:min(300px,100%);box-shadow:14px 20px 35px rgba(0,0,0,.15)}.closing p:not(.kicker){font:1.2rem/1.5 var(--serif);max-width:42rem}.link-btn{margin-top:1.5rem}dialog{border:0;padding:0;width:min(1180px,calc(100vw - 40px));max-height:calc(100vh - 40px);box-shadow:0 30px 100px rgba(0,0,0,.3)}dialog::backdrop{background:rgba(0,0,0,.72)}.dialog-close{position:absolute;right:1rem;top:1rem;border:0;background:none;font-size:2rem;cursor:pointer;z-index:3}.dialog-grid{display:grid;grid-template-columns:340px 1fr;min-height:650px}.chart-context{padding:3rem 2.2rem;background:var(--soft);display:flex;flex-direction:column}.chart-context h2{font-size:2.2rem}.chart-context>p:not(.kicker):not(.source){color:var(--muted)}.source{font-size:11px;margin-top:auto;border-top:1px solid var(--rule);padding-top:1rem}.panel-tabs{display:flex;flex-direction:column;margin-top:2rem}.panel-tab{text-align:left;border:0;border-top:1px solid var(--rule);background:transparent;padding:.9rem 0;cursor:pointer}.panel-tab.active{color:var(--red);font-weight:700}.chart-stage{padding:4rem 3rem 2rem;display:flex;flex-direction:column}.chart{min-height:500px;flex:1}.chart svg{width:100%;height:100%;overflow:visible}.grid-line{stroke:#dedbd7;stroke-width:1}.axis-label{font:11px var(--sans);fill:#777}.series-line{fill:none;stroke-width:2.4;vector-effect:non-scaling-stroke}.point{stroke:#fff;stroke-width:2;cursor:pointer}.chart-hint{text-align:center;color:var(--muted);font-size:11px}.legend{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1rem;font-size:11px}.legend span::before{content:'';display:inline-block;width:16px;height:3px;background:var(--c);margin-right:.4rem;vertical-align:middle}.tooltip{position:fixed;pointer-events:none;background:#111;color:#fff;padding:.55rem .7rem;font-size:11px;opacity:0;transform:translate(-50%,-115%);z-index:30;white-space:nowrap}.tooltip.show{opacity:1}@media(max-width:800px){.topbar{padding:0 18px}.mode-btn{padding:.5rem .65rem}.hero{grid-template-columns:1fr;padding:4rem 22px 7rem}.hero h1{font-size:19vw}.cover-wrap{grid-row:1}.cover-wrap img{width:min(270px,70vw)}.cover-number{right:-2rem}.framing{padding:6rem 22px}.big-question{margin-bottom:4rem}.lenses{grid-template-columns:1fr;gap:1.5rem}.ruptures{flex-wrap:wrap}.experience{padding:6rem 20px}.section-head{display:block}.chapter-toggle{grid-template-columns:52px 1fr 30px}.chapter-inner{grid-template-columns:52px 1fr}.chapter-inner ol,.chapter-charts{grid-column:2}.catalog{grid-template-columns:1fr}.catalog-item,.catalog-item:nth-child(3n),.catalog-item:nth-child(3n+2){border-right:0;padding-left:0}.atlas-tools{align-items:stretch;flex-direction:column}.filters{overflow-x:auto;flex-wrap:nowrap;width:100%}.filter{white-space:nowrap}.closing{grid-template-columns:1fr;padding:6rem 22px}.closing img{width:180px}.dialog-grid{grid-template-columns:1fr}.chart-context{padding:2.5rem 1.5rem 1.5rem}.source{margin-top:1.5rem}.chart-stage{padding:1.5rem;min-height:430px}.chart{min-height:350px}.dialog-grid{min-height:0}dialog{max-height:calc(100vh - 16px);width:calc(100vw - 16px)}}
.axis-title{font:700 10px var(--sans);fill:#555;text-transform:uppercase;letter-spacing:.04em}.zero-line{stroke:#111;stroke-width:1.3}.bar-mark{cursor:pointer}.value-label{font:700 10px var(--sans);fill:#333}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.chapter-content,.plus{transition:none}}

/* Fase 3: más aire entre la etiqueta del capítulo y su título, sin alterar la tipografía. */
.chapter-toggle{grid-template-columns:112px 1fr 40px;column-gap:1.5rem}
.chapter-inner{grid-template-columns:112px 1fr 1fr;column-gap:1.5rem}

/* Índice editorial paginado. */
.chapter-number small{display:block;margin-top:.45rem;color:var(--muted);font:11px/1 var(--sans);letter-spacing:0}
.editorial-index li{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:1.5rem}
.index-page{min-width:3ch;text-align:right;color:var(--muted);font:12px/1.7 var(--sans);font-variant-numeric:tabular-nums}
.sample-pages-link{grid-column:2;display:inline-block;width:max-content;max-width:100%;margin-top:1.25rem;padding-top:1rem;border-top:1px solid var(--rule);color:var(--ink);font:700 13px/1.4 var(--sans);text-decoration:underline;text-underline-offset:.22em}
.sample-pages-link:hover{color:var(--red)}

@media(max-width:800px){.chapter-toggle{grid-template-columns:72px 1fr 30px;column-gap:1rem}.chapter-inner{grid-template-columns:72px 1fr;column-gap:1rem}}

.series-area{opacity:.16}.composition-area{opacity:.78}.waterfall-link{stroke:#999;stroke-width:1;stroke-dasharray:3 3}.mini-chart:disabled{cursor:default;opacity:.42}

/* Integración editorial: acciones discretas sin alterar la composición existente. */
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:.8rem}
.secondary{display:inline-flex;align-items:center;padding:calc(1rem - 1px) 1.25rem;border:1px solid var(--ink);background:transparent;color:var(--ink);font-size:13.3333px;line-height:normal;font-weight:700;text-decoration:none}
.sample-pages-hero{display:inline-flex;align-items:center;min-height:44px;padding:.55rem .25rem;color:var(--ink);font-size:13px;font-weight:700;text-decoration-line:underline;text-decoration-thickness:1px;text-underline-offset:.28em}
.publisher-cta{display:flex;align-items:center;flex-wrap:wrap;gap:1.5rem;margin-top:3.5rem;padding-top:2rem;border-top:1px solid var(--rule)}
.publisher-logo{display:inline-flex;align-items:center}
.publisher-logo img{width:170px;height:auto;display:block;box-shadow:none}
.publisher-link{color:var(--ink);font-size:13px;font-weight:700;text-underline-offset:.25em}

@media(max-width:800px){.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .primary,.hero-actions .secondary{width:100%;justify-content:center}.sample-pages-hero{justify-content:center;margin-top:.2rem;padding:.7rem 0}.publisher-cta{align-items:flex-start;flex-direction:column;gap:1rem;margin-top:3rem}.publisher-logo img{width:min(160px,60vw)}}

/* V6: ajustes localizados de portada y presentación conceptual. */
body{overflow-x:hidden}
.hero-actions{margin-top:.75rem}
.big-question{margin-bottom:5.5rem}
.concept-heading{display:flex;align-items:center;gap:.8rem;margin:0 0 1.4rem;color:#fff}
.concept-heading h3{margin:0;font:700 11px/1.35 var(--sans);letter-spacing:.13em;text-transform:uppercase}
.heading-icon,.concept-icon{fill:none;stroke:var(--red);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.heading-icon{width:24px;height:24px;flex:0 0 auto}
.concept-icon{width:34px;height:34px;display:block;margin:0 0 1.2rem}
.transformations-heading{margin-top:3.8rem}
.ruptures{margin:0;display:grid;grid-template-columns:auto minmax(80px,1fr) auto;align-items:center;gap:1.5rem}
.ruptures i{width:100%}
.transformation{display:flex;align-items:center;gap:1rem;min-width:0}
.transformation .concept-icon{margin:0;flex:0 0 auto}
.transformation p{display:flex;align-items:baseline;gap:.65rem;margin:0;color:#bbb;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.transformation strong{color:#fff;font-size:1.25rem;line-height:1;font-weight:400}
.transformation span{color:#bbb;font-size:12px}

@media(max-width:800px){.hero-actions{margin-top:1rem}.big-question{margin-bottom:4rem}.concept-heading{align-items:flex-start}.transformations-heading{margin-top:3rem}.ruptures{grid-template-columns:1fr;gap:1.25rem}.ruptures i{height:1px}.transformation{align-items:flex-start}.transformation p{align-items:flex-start;flex-direction:column;gap:.4rem}}

/* V24: indicador de continuidad al pie de la portada. */
.hero-scroll{position:absolute;left:50%;bottom:1.75rem;z-index:3;display:flex;align-items:center;justify-content:center;width:44px;height:44px;transform:translateX(-50%);color:#222;font-size:26px;line-height:1;text-decoration:none}
.hero-scroll:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
@media(max-width:800px){.hero-scroll{bottom:1.5rem}}

/* V12: accesos conceptuales, sin alterar la composición de la pantalla. */
.concept-link{appearance:none;border:0;background:transparent;color:inherit;font:inherit;padding:0;margin:0;text-align:left;cursor:pointer;min-width:0}
.lenses .concept-link>span{color:#d36b59;font-size:12px}
.concept-link strong{transition:color .18s ease}
.concept-link:hover strong{color:var(--red)}
.concept-link:focus-visible{outline:2px solid var(--red);outline-offset:7px}

/* V14: metadatos de los ejes en líneas independientes. */
#dialog-meta{overflow-wrap:anywhere}
.axis-meta-line,.axis-meta-note{display:block}
.axis-meta-line+.axis-meta-line,.axis-meta-line+.axis-meta-note,.axis-meta-note+.axis-meta-note{margin-top:.4rem}

/* V7: jerarquía conceptual equivalente y cubierta oficial sin lienzo exterior. */
.cover-wrap img{width:min(300px,27vw);transform:none;box-shadow:10px 16px 30px rgba(0,0,0,.14)}
.framing{padding-top:7rem;padding-bottom:7rem}
.big-question{font-size:clamp(3.5rem,4.15vw,4rem);margin-bottom:4.5rem}
.concept-heading{gap:1rem;margin:0 0 2rem;padding-top:1.35rem;border-top:1px solid #555}
.concept-heading h3{font-size:17px;line-height:1.3;letter-spacing:.055em}
.heading-icon{width:28px;height:28px}
.lenses{gap:4rem;border-top:0;padding-top:0}
.lenses div span{font-size:12px}
.lenses strong{font-size:1.7rem;line-height:1.12;margin:.9rem 0}
.lenses p{font-size:18px;line-height:1.45;margin-bottom:0}
.concept-icon{width:38px;height:38px;margin-bottom:1.1rem}
.transformations-heading{margin-top:4.5rem}
.ruptures{grid-template-columns:repeat(2,minmax(0,1fr));gap:4rem}
.transformation{align-items:center;gap:1.25rem}
.transformation p{display:block}
.transformation strong{font:400 23px/1.2 var(--serif);text-transform:none;letter-spacing:0}
.transformation strong span{color:#d36b59;font:inherit}
.closing>img{width:min(250px,100%);box-shadow:10px 16px 30px rgba(0,0,0,.12)}

@media(max-width:800px){
  .cover-wrap img{width:min(250px,68vw)}
  .framing{padding-top:5.5rem;padding-bottom:5.5rem}
  .big-question{font-size:clamp(2.6rem,12vw,3.4rem);margin-bottom:3.5rem}
  .concept-heading{align-items:center;margin-bottom:1.75rem;padding-top:1.2rem}
  .concept-heading h3{font-size:16px;letter-spacing:.045em}
  .lenses{gap:2.4rem}
  .lenses strong{font-size:1.6rem}
  .lenses p{font-size:17px}
  .transformations-heading{margin-top:3.5rem}
  .ruptures{grid-template-columns:1fr;gap:2rem}
  .transformation{align-items:center}
  .transformation p{display:block}
  .transformation strong{font-size:22px}
  .closing>img{width:min(230px,68vw)}
}

/* Contraste discreto de los gráficos no disponibles en la versión pública. */
.mini-chart:disabled{color:#555;opacity:1}
.mini-chart:disabled span{color:#777}
.catalog-item.locked .catalog-meta,.catalog-item.locked h3{color:#555}

/* V16: tercera lectura, por relaciones argumentales. */
.themes-head>p{max-width:34rem;color:var(--muted);margin:0}
.theme-tools{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;border-top:1px solid var(--ink);padding:1.5rem 0}
.theme-filters{display:flex;flex-wrap:wrap;gap:.5rem}
.theme-filter,.theme-reset{border:1px solid var(--rule);background:#fff;color:var(--ink);padding:.6rem .85rem;border-radius:100px;font:12px var(--sans);cursor:pointer}
.theme-filter.active{background:var(--ink);border-color:var(--ink);color:#fff}
.theme-reset{border-color:var(--ink);border-radius:0;font-weight:700;white-space:nowrap}
.theme-layout{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(280px,.9fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.network-wrap{min-width:0;padding:1.25rem 1.25rem 1.25rem 0;border-right:1px solid var(--rule)}
#concept-network{display:block;width:100%;height:auto;overflow:visible}
.theme-edge{fill:none;stroke:#9c9893;stroke-width:1.35;vector-effect:non-scaling-stroke;transition:opacity .18s,stroke .18s,stroke-width .18s}
.theme-edge.secundario{stroke-dasharray:none}
.theme-edge.transverse{stroke-dasharray:none;stroke:#9c9893}
.theme-edge.is-hot{stroke:var(--red);stroke-width:2.5;opacity:1}
.theme-edge.is-dim{opacity:.07}
.theme-node{cursor:pointer;transition:opacity .18s}
.theme-node rect{fill:#fff;stroke:var(--ink);stroke-width:1.25;vector-effect:non-scaling-stroke;transition:fill .18s,stroke .18s,stroke-width .18s}
.theme-node.level-transformacion rect{stroke:var(--red)}
.theme-node.level-dimension rect{stroke-dasharray:3 3}
.theme-node.level-epilogo rect{fill:var(--soft)}
.theme-node-label{fill:var(--ink);font:700 11px/1.2 var(--sans);pointer-events:none}
.theme-node.is-selected rect{fill:var(--red);stroke:var(--red);stroke-width:2.5}
.theme-node.is-selected .theme-node-label{fill:#fff}
.theme-node.is-dim{opacity:.16}
.theme-node:focus-visible{outline:none}
.theme-node:focus-visible rect{stroke:var(--red);stroke-width:3}
.theme-detail{padding:2rem;min-width:0;overflow-wrap:anywhere}
.theme-detail h3{font:2rem/1.05 var(--serif);letter-spacing:-.025em;margin:.55rem 0 1rem}
.theme-detail>p:not(.kicker){color:var(--muted);font:16px/1.55 var(--serif)}
.theme-detail h4{margin:2rem 0 .8rem;padding-top:1rem;border-top:1px solid var(--rule);font:700 11px/1.3 var(--sans);letter-spacing:.1em;text-transform:uppercase}
.theme-entry-list{list-style:none;margin:0;padding:0}
.theme-entry-list li{padding:.7rem 0;border-bottom:1px dotted var(--rule)}
.theme-entry-list button,.theme-graph-list button{display:block;width:100%;border:0;background:transparent;color:var(--ink);padding:0;text-align:left;cursor:pointer;font:16px/1.3 var(--serif)}
.theme-entry-list button:hover,.theme-graph-list button:hover{color:var(--red)}
.theme-entry-list button:focus-visible,.theme-graph-list button:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.theme-entry-list span{display:block;margin-top:.25rem;color:var(--muted);font:10px/1.35 var(--sans);letter-spacing:.035em;text-transform:uppercase}
.theme-graph-list{display:grid;gap:.65rem}
.theme-graph-list button{padding:.65rem 0;border-bottom:1px dotted var(--rule)}
.theme-graph-list button span{display:block;color:var(--red);font:10px/1.35 var(--sans);letter-spacing:.08em;text-transform:uppercase}
.theme-graph-reference{padding:.65rem 0;border-bottom:1px dotted var(--rule);color:var(--ink);font:16px/1.3 var(--serif)}
.theme-graph-reference>span{display:block;color:var(--muted);font:10px/1.35 var(--sans);letter-spacing:.08em;text-transform:uppercase}
.theme-graph-reference>small{display:block;margin-top:.3rem;color:var(--muted);font:10px/1.35 var(--sans);letter-spacing:.08em;text-transform:uppercase}
.theme-index-target{outline:2px solid var(--red);outline-offset:4px}

@media(max-width:980px){
  .topbar .mode-switch{flex:1;justify-content:flex-end;margin-left:1rem}
  .topbar .mode-btn{padding:.48rem .42rem;font-size:10px;white-space:nowrap}
  .themes-head>p{margin-top:1.25rem}
  .theme-tools{align-items:stretch;flex-direction:column}
  .theme-filters{flex-wrap:nowrap;overflow-x:auto;padding-bottom:.25rem}
  .theme-filter{flex:0 0 auto;white-space:nowrap}
  .theme-reset{align-self:flex-start}
  .theme-layout{grid-template-columns:1fr}
  .network-wrap{padding:1rem 0;border-right:0;border-bottom:1px solid var(--rule)}
  .theme-detail{padding:2rem 0}
  .theme-detail h3{font-size:1.8rem}
  .theme-node-label{font-size:12px}
}

/* V10: lectura íntegra de Prefacio y Agradecimientos. */
.full-text{grid-column:2 / 4;max-width:70ch;font:18px/1.72 var(--serif)}
.full-text p{margin:0 0 1.35em}
.full-text p:last-child{margin-bottom:0}

@media(max-width:800px){
  .full-text{grid-column:2;font-size:17px;line-height:1.68;max-width:none}
  .chapter--preliminary .chapter-toggle{grid-template-columns:minmax(0,1fr) 30px}
  .chapter--preliminary .chapter-number{display:none}
  .chapter--preliminary .chapter-inner{grid-template-columns:1fr}
  .chapter--preliminary .full-text{grid-column:1}
}

/* V19: jerarquía editorial de la pantalla conceptual. */
.framing{padding-top:6.5rem}
.framing>.concept-heading:first-child{padding-top:0;border-top:0}
.concept-heading{margin-bottom:2.25rem}
.concept-heading h3{font:400 clamp(2rem,3vw,3rem)/1.05 var(--serif);letter-spacing:-.025em;text-transform:none;color:#fff}
.transformations-heading{margin-top:4.75rem}

@media(max-width:800px){
  .framing{padding-top:4.75rem}
  .concept-heading{align-items:flex-start;margin-bottom:2rem}
  .concept-heading h3{font-size:clamp(2rem,9vw,2.75rem);line-height:1.05}
  .transformations-heading{margin-top:3.75rem}
}

@media(max-width:980px){
  .topbar .mode-btn,.theme-filter,.theme-reset{min-height:40px}
}

/* V8: retoques finales de presentación conceptual y cierre editorial. */
.framing{padding-top:6.5rem;padding-bottom:7.5rem}
.big-question{margin-bottom:4rem}
.lenses{gap:3.75rem}
.lenses p{font-size:19px}
.concept-icon{margin-bottom:.9rem}
.transformations-heading{margin-top:4.1rem}
.ruptures{padding-bottom:1rem}
.transformation strong{font-size:26px}
.closing{padding-top:7rem;padding-bottom:7rem}
.closing-copy{min-width:0}
.closing-copy h2{margin:0}
.closing-return{display:inline-block;margin-top:2.25rem;color:var(--ink);font-size:14px;font-weight:700;text-decoration-thickness:1px;text-underline-offset:.3em}
.closing-copy .publisher-cta{margin-top:3.5rem}

@media(max-width:800px){
  .framing{padding-top:5rem;padding-bottom:6.5rem}
  .big-question{margin-bottom:3rem}
  .lenses{gap:2.15rem}
  .lenses p{font-size:18px}
  .concept-icon{margin-bottom:.75rem}
  .transformations-heading{margin-top:3.1rem}
  .ruptures{padding-bottom:.75rem}
  .transformation strong{font-size:25px}
  .closing{padding-top:5.5rem;padding-bottom:5.5rem}
  .closing-copy h2{margin-top:3rem}
  .closing-return{margin-top:2rem}
  .closing-copy .publisher-cta{margin-top:3rem}
}