/* La CAU en simple · estilos. Sin build: HTML + este CSS + app.js. Pensado primero para el celular. */
/* Fuentes alojadas en el sitio (licencia SIL OFL): Atkinson Hyperlegible y Source Serif 4 */
@font-face{font-family:'Atkinson Hyperlegible';font-style:italic;font-weight:400;font-display:swap;src:url(fonts/atkinson-hyperlegible-italic-400.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}
@font-face{font-family:'Atkinson Hyperlegible';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/atkinson-hyperlegible-normal-400.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}
@font-face{font-family:'Atkinson Hyperlegible';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/atkinson-hyperlegible-normal-700.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}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:400;font-display:swap;src:url(fonts/source-serif-4-italic-400.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}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:600 700;font-display:swap;src:url(fonts/source-serif-4-normal-600.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}

*,*::before,*::after{box-sizing:border-box}
:root{
  --paper:#FBF8F2; --card:#FFFFFF; --ink:#1B2333; --muted:#5A6375; --line:#E3DDD0;
  --mary:#1F4A8A; --mary-ink:#FFFFFF; --mary-soft:#E7EEF8; --gold:#9C6F1E; --gold-bright:#C99A3E; --gold-soft:#F6ECD6;
  --pend:#9A3B12; --pend-soft:#FBE9DF; --ok:#2E6B45; --ok-soft:#E3F1E8;
  --glass:rgba(251,248,242,.88); --shadow:0 1px 2px rgba(27,35,51,.06),0 8px 24px rgba(27,35,51,.08);
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:"Atkinson Hyperlegible", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --top-h:84px; --dock-h:64px; --side-w:288px; --text:19px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#11151D; --card:#181E29; --ink:#E9ECF2; --muted:#A3ABBA; --line:#2A3242;
  --mary:#8DB0EA; --mary-ink:#0E1420; --mary-soft:#1C2A42; --gold:#E0B565; --gold-bright:#E0B565; --gold-soft:#2E2617;
  --pend:#F0A27A; --pend-soft:#3A2218; --ok:#86C9A0; --ok-soft:#18301F;
  --glass:rgba(17,21,29,.88); --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35); color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#11151D; --card:#181E29; --ink:#E9ECF2; --muted:#A3ABBA; --line:#2A3242;
  --mary:#8DB0EA; --mary-ink:#0E1420; --mary-soft:#1C2A42; --gold:#E0B565; --gold-bright:#E0B565; --gold-soft:#2E2617;
  --pend:#F0A27A; --pend-soft:#3A2218; --ok:#86C9A0; --ok-soft:#18301F;
  --glass:rgba(17,21,29,.88); --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35); color-scheme:dark}
:root[data-size="lg"]{--text:22px}

html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--top-h) + 12px)}
body{margin:0;background:var(--paper);color:var(--ink);font:400 var(--text)/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--mary);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
img{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold-bright);outline-offset:2px;border-radius:6px}
.wrap{max-width:720px;margin:0 auto;padding:0 max(20px,env(safe-area-inset-left,0px)) 0 max(20px,env(safe-area-inset-right,0px))}
.wide{max-width:1080px}
.skip{position:absolute;left:-999px;top:0;z-index:100;background:var(--mary);color:var(--mary-ink);padding:10px 16px;border-radius:0 0 8px 0}
.skip:focus{left:0}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ───── Cabecera fija: aviso de borrador + marca + herramientas + barra de lectura ───── */
.top{position:sticky;top:0;z-index:30;background:var(--glass);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.draft{background:var(--pend-soft);color:var(--pend);font-size:13px;line-height:1.3;text-align:center;padding:5px 16px;font-weight:700;letter-spacing:.01em}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;padding:0 max(14px,env(safe-area-inset-right,0px)) 0 max(14px,env(safe-area-inset-left,0px))}
.brand{display:flex;align-items:center;gap:10px;font:700 19px/1.1 var(--serif);color:var(--ink);text-decoration:none;min-height:44px}
.brand img{width:30px;height:30px;border-radius:8px;flex:none}
.brand span{color:var(--gold)}
.tools{display:flex;gap:8px;align-items:center}
.ibtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:44px;min-height:44px;padding:0 12px;border:1px solid var(--line);background:var(--card);border-radius:999px;cursor:pointer;font-size:15px;font-weight:700;color:var(--ink);text-decoration:none}
.ibtn:hover{border-color:var(--mary)}
.ibtn svg{width:20px;height:20px;flex:none}
.tsize{font-family:var(--serif)}
.tsize small{font-size:13px}
.tsize[aria-pressed="true"]{background:var(--mary);color:var(--mary-ink);border-color:var(--mary)}
.menu-btn .lbl{display:none}
@media (min-width:560px){.menu-btn .lbl{display:inline}}
.progress{height:3px;background:transparent}
.progress i{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(var(--p,0));background:linear-gradient(90deg,var(--gold-bright),var(--mary))}

/* ───── Recorrido (menú). Celular/tableta: hoja que sube desde abajo. Computador: barra lateral fija ───── */
.nav{position:fixed;z-index:60;left:0;right:0;bottom:0;max-height:min(84vh,680px);overflow:auto;overscroll-behavior:contain;background:var(--card);border-radius:22px 22px 0 0;box-shadow:0 -10px 40px rgba(0,0,0,.25);padding:10px 16px calc(20px + env(safe-area-inset-bottom,0px));transform:translateY(105%);visibility:hidden;transition:transform .28s cubic-bezier(.2,.8,.2,1),visibility 0s .28s}
.nav.open{transform:none;visibility:visible;transition:transform .28s cubic-bezier(.2,.8,.2,1)}
.nav::before{content:"";display:block;width:44px;height:5px;border-radius:9px;background:var(--line);margin:2px auto 12px}
.nav-h{font:700 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:10px 8px 8px}
.nav ol{list-style:none;margin:0;padding:0}
.nav li a{display:flex;align-items:center;gap:14px;padding:10px 10px;min-height:52px;border-radius:12px;text-decoration:none;color:var(--ink);font-size:17px;line-height:1.3}
.nav li a:hover{background:var(--mary-soft)}
.nav li a b{flex:none;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font:700 15px/1 var(--serif);background:var(--gold-soft);color:var(--gold)}
.nav li a[aria-current]{background:var(--mary-soft);font-weight:700}
.nav li a[aria-current] b{background:var(--mary);color:var(--mary-ink)}
.nav .close-nav{display:flex;margin:12px auto 0;width:100%;justify-content:center}
.toc{margin-top:8px;border-top:1px solid var(--line);padding-top:4px}
.toc ol{border-left:2px solid var(--line);margin-left:14px!important}
.toc li a{min-height:0;padding:7px 12px;font-size:15px;color:var(--muted);border-radius:0 8px 8px 0;margin-left:-2px;border-left:2px solid transparent}
.toc li a.on{color:var(--mary);border-left-color:var(--mary);background:none;font-weight:700}
.scrim{position:fixed;inset:0;z-index:55;background:rgba(10,14,22,.45);opacity:0;visibility:hidden;transition:opacity .25s,visibility 0s .25s}
.scrim.on{opacity:1;visibility:visible;transition:opacity .25s}
body.lock{overflow:hidden}

/* Barra inferior para el pulgar (celular y tableta) */
.dock{position:fixed;z-index:40;left:0;right:0;bottom:0;display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;padding:8px max(12px,env(safe-area-inset-right,0px)) calc(8px + env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left,0px));background:var(--glass);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-top:1px solid var(--line)}
.dock a,.dock button{display:flex;align-items:center;justify-content:center;gap:6px;min-height:48px;border-radius:14px;text-decoration:none;font-size:15px;font-weight:700;color:var(--ink);border:1px solid var(--line);background:var(--card);padding:0 12px;cursor:pointer;line-height:1.1}
.dock svg{width:20px;height:20px;flex:none}
.dock .next{background:var(--mary);color:var(--mary-ink);border-color:var(--mary)}
.dock .mid{flex-direction:column;gap:2px;min-width:96px;font-size:14px}
.dock .mid small{font-weight:400;color:var(--muted);font-size:12px}
.dock .ghost{visibility:hidden}
body{padding-bottom:calc(var(--dock-h) + env(safe-area-inset-bottom,0px))}
@media (min-width:700px){.dock{padding-left:max(12px,calc(50% - 320px));padding-right:max(12px,calc(50% - 320px))}}

@media (min-width:1100px){
  body{padding-bottom:0;padding-left:var(--side-w)}
  .top{margin-left:calc(-1 * var(--side-w))}
  .dock,.scrim,.nav::before,.nav .close-nav{display:none!important}
  .menu-btn{display:none}
  .nav{top:var(--top-h);bottom:0;left:0;right:auto;width:var(--side-w);max-height:none;border-radius:0;box-shadow:none;background:var(--paper);border-right:1px solid var(--line);transform:none;visibility:visible;transition:none;padding:20px 14px 32px;z-index:20}
  .nav li a{font-size:16px;min-height:46px;padding:8px 10px}
  .nav li a b{width:28px;height:28px;font-size:14px}
}

/* ───── Títulos y texto ───── */
h1,h2,h3{font-family:var(--serif);line-height:1.18;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(34px,7.4vw,52px);margin:0 0 14px;font-weight:700}
h2{font-size:clamp(25px,4.6vw,30px);margin:52px 0 14px}
h3{font-size:21px;margin:30px 0 8px}
p{margin:0 0 18px}
li{text-wrap:pretty}
p{text-wrap:pretty}
main{display:block}
.kicker{font:700 13px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin:36px 0 12px}
.lead{font-size:1.12em;line-height:1.55;color:var(--muted)}
blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--gold-bright);background:var(--gold-soft);border-radius:0 14px 14px 0;font:italic 400 1.1em/1.5 var(--serif)}
blockquote footer{font:400 15px/1.4 var(--sans);font-style:normal;color:var(--muted);margin-top:8px}
ul.plain,ol.plain{padding-left:1.3em}
ul.plain li,ol.plain li{margin-bottom:10px}
ul.plain li::marker,ol.plain li::marker{color:var(--gold);font-weight:700}
strong{font-weight:700}

/* Encabezado de sección */
.phead{padding-top:4px}
.step{display:inline-flex;align-items:center;gap:10px;margin:28px 0 12px;font:700 13px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.step .dots{display:inline-flex;gap:4px}
.step .dots i{width:16px;height:4px;border-radius:4px;background:var(--line)}
.step .dots i.on{background:var(--gold-bright)}

/* Recuadros */
.simple{display:flow-root;background:var(--mary-soft);border-radius:18px;padding:20px 22px;margin:28px 0}
.simple h2,.simple h3{margin:0 0 10px;font-size:15px;font-family:var(--sans);text-transform:uppercase;letter-spacing:.12em;color:var(--mary);display:flex;align-items:center;gap:8px}
.simple h2::before,.simple h3::before{content:"";width:18px;height:18px;flex:none;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20Zm1 15h-2v-6h2v6Zm0-8h-2V7h2v2Z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20Zm1 15h-2v-6h2v6Zm0-8h-2V7h2v2Z'/%3E%3C/svg%3E") center/contain no-repeat}
.simple ul{margin:0;padding-left:1.15em}
.simple li{margin-bottom:8px}
.simple li::marker{color:var(--mary)}
.think{display:flow-root;border:2px dashed var(--line);border-radius:18px;padding:18px 22px;margin:34px 0}
.think h3{margin-top:0}

/* Imágenes */
.fig{margin:28px 0}
.fig img{width:100%;border-radius:16px;background:var(--line);box-shadow:var(--shadow)}
.fig figcaption{font-size:14px;line-height:1.45;color:var(--muted);margin-top:10px}
.fig figcaption .cr{display:block;font-size:12.5px;opacity:.9}
.fig figcaption a{color:inherit}
.fig.portrait{max-width:240px;margin-inline:auto}
.fig.portrait img{aspect-ratio:auto}
@media (min-width:760px){
  .fig.portrait{float:right;width:40%;max-width:280px;margin:6px 0 20px 28px}
  .fig.bleed{margin-inline:-48px}
  .fig.bleed figcaption{padding-inline:48px}
}
.fig.illus{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px 16px 12px}
.fig.illus svg{width:100%;height:auto;display:block}

/* Portada */
.cover{position:relative;isolation:isolate;display:grid;align-items:end;min-height:min(86svh,700px);color:#fff;background:#1B2A44;overflow:hidden}
.cover picture,.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:54% 40%;z-index:-2}
.cover::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(10,18,34,.08) 0%,rgba(10,18,34,.22) 30%,rgba(10,18,34,.7) 58%,rgba(10,18,34,.92) 100%)}
.cover h1,.cover .lead,.cover .kicker{text-shadow:0 2px 14px rgba(0,0,0,.45)}
.cover .wrap{padding-top:120px;padding-bottom:36px;width:100%}
.cover .kicker{color:#F2D59A;margin-top:0}
.cover h1{color:#fff;font-size:clamp(40px,10vw,68px);margin-bottom:12px}
.cover .lead{color:rgba(255,255,255,.9);max-width:34em}
.cover .credit{position:absolute;right:10px;top:10px;font-size:11px;color:rgba(255,255,255,.85);background:rgba(0,0,0,.35);padding:3px 8px;border-radius:999px;text-decoration:none}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 22px;border-radius:999px;font-weight:700;font-size:17px;text-decoration:none;border:2px solid transparent;cursor:pointer}
.btn svg{width:20px;height:20px}
.btn.primary{background:#F2D59A;color:#1B2333}
.btn.primary:hover{background:#fff}
.btn.ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.12)}
@media (min-width:1100px){.cover{min-height:min(78vh,640px)}.cover .wrap{max-width:820px}}

/* Línea de tiempo */
.timeline{list-style:none;padding:0;margin:26px 0;position:relative}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--gold-bright),var(--line))}
.timeline li{position:relative;padding:0 0 22px 34px}
.timeline li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--paper);border:3px solid var(--gold-bright)}
.timeline b{font-family:var(--serif);font-size:21px;display:block;color:var(--ink)}

/* Dos alas */
.wings{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
.wing{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.wing h3{margin:6px 0 6px;font-size:20px}
.wing .tag{font:700 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
.wing p{margin:6px 0 0;font-size:.9em}
.center{grid-column:1/-1;background:var(--gold-soft);border-color:transparent;text-align:center;box-shadow:none}
@media (max-width:600px){.wings{grid-template-columns:1fr}}

/* Principios numerados */
.principles{counter-reset:p;list-style:none;padding:0;margin:22px 0}
.principles li{counter-increment:p;position:relative;padding:16px 18px 16px 66px;margin-bottom:12px;background:var(--card);border:1px solid var(--line);border-radius:16px}
.principles li::before{content:counter(p);position:absolute;left:16px;top:16px;width:36px;height:36px;border-radius:50%;background:var(--mary);color:var(--mary-ink);display:grid;place-items:center;font:700 17px/1 var(--serif)}

/* Citas: llamada numerada, ventanita y lista de notas */
.ref,.pend{display:inline-block;font:700 12px/1 var(--sans);vertical-align:super;text-decoration:none;border-radius:6px;padding:3px 6px;margin-left:2px;white-space:nowrap;position:relative}
.ref{color:var(--mary);background:var(--mary-soft)}
.pend{color:var(--pend);background:var(--pend-soft)}
.ref::after,.pend::after{content:"";position:absolute;inset:-10px -6px}
.ref:hover,.ref:focus-visible,.ref.on{background:var(--mary);color:var(--mary-ink)}
.pop{position:absolute;z-index:70;max-width:min(440px,calc(100vw - 32px));background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 40px rgba(0,0,0,.22);padding:16px 18px;font-size:15.5px;line-height:1.55}
.pop .pop-h{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:-4px 0 8px;font:700 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.pop .pop-x{border:0;background:var(--mary-soft);color:var(--mary);width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:20px;line-height:1;display:grid;place-items:center}
.pop a{word-break:break-word}
.pop.sheet{position:fixed;left:0;right:0;bottom:0;top:auto!important;max-width:none;border-radius:22px 22px 0 0;padding:14px 20px calc(22px + env(safe-area-inset-bottom,0px));font-size:17px;max-height:70vh;overflow:auto;animation:up .22s cubic-bezier(.2,.8,.2,1)}
@keyframes up{from{transform:translateY(40px);opacity:0}}
.notes{border-top:1px solid var(--line);margin-top:60px;padding-top:8px;font-size:15.5px;line-height:1.55}
.notes h2{font-size:22px;margin-top:24px}
.notes ol{padding-left:1.7em}
.notes li{margin-bottom:12px;padding:2px 6px;scroll-margin-top:calc(var(--top-h) + 16px)}
.notes li::marker{color:var(--muted);font-weight:700}
.notes li:target{background:var(--gold-soft);border-radius:8px}
.status{display:inline;line-height:1.9;-webkit-box-decoration-break:clone;box-decoration-break:clone;font-weight:700;font-size:11px;font-family:var(--sans);letter-spacing:.06em;text-transform:uppercase;border-radius:4px;padding:3px 6px;margin-left:4px;vertical-align:1px;white-space:normal}
.status.ok{color:var(--ok);background:var(--ok-soft)}
.status.kit{color:var(--gold);background:var(--gold-soft)}
.status.pend{color:var(--pend);background:var(--pend-soft)}
.back{text-decoration:none;margin-left:4px;font-weight:700;white-space:nowrap}

/* Inicio: tarjetas de secciones */
.intro{padding-top:8px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin:24px 0 40px;list-style:none;padding:0}
.card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .18s,border-color .18s}
a.card:hover{border-color:var(--mary);transform:translateY(-2px)}
.card .thumb{aspect-ratio:16/10;width:100%;object-fit:cover;background:var(--mary-soft)}
.card .thumb.art{display:grid;place-items:center;color:var(--mary)}
.card .thumb.art svg{width:46%;height:auto}
.card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .n{position:absolute;top:12px;left:12px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--paper);color:var(--gold);font:700 18px/1 var(--serif);box-shadow:0 2px 8px rgba(0,0,0,.18)}
.card h3{margin:0;font-size:21px}
.card p{margin:0;font-size:16px;line-height:1.5;color:var(--muted)}
.card .st{margin-top:auto;padding-top:8px;font:700 11px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.card.ready .st{color:var(--ok)}
@media (max-width:599px){
  .cards{grid-template-columns:1fr;gap:12px}
  .card{flex-direction:row;align-items:stretch}
  .card .thumb{width:112px;aspect-ratio:auto;flex:none;height:auto;min-height:100%}
  .card .thumb.art svg{width:56%}
  .card .n{top:8px;left:8px;width:30px;height:30px;font-size:15px}
  .card .body{padding:12px 14px 14px}
  .card h3{font-size:19px}
  .card p{font-size:15px}
}

/* Los tres fines (inicio) */
.fines{list-style:none;padding:0;margin:20px 0 8px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.fines li{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:6px}
.fines .n{font:700 28px/1 var(--serif);color:var(--muted)}
.fines b{font-family:var(--serif);font-size:19px;line-height:1.25}
.fines li>span:last-child{font-size:15.5px;color:var(--muted);line-height:1.45}
.fines li.hl{background:var(--gold-soft);border:2px solid var(--gold-bright);box-shadow:var(--shadow)}
.fines li.hl .n{color:var(--gold)}
@media (max-width:640px){.fines{grid-template-columns:1fr}.fines li{display:grid;grid-template-columns:36px 1fr;column-gap:10px}.fines li .n{grid-row:span 2;align-self:start}}

/* Instalar como app */
.install{display:none;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;margin:8px 0 40px;box-shadow:var(--shadow)}
.install.show{display:flex}
.install img{width:52px;height:52px;border-radius:12px;flex:none}
.install h3{margin:0 0 4px;font-size:19px}
.install p{margin:0 0 8px;font-size:16px;color:var(--muted)}
.install .ios-share{display:inline-block;width:18px;height:18px;vertical-align:-3px;color:var(--mary)}
.install .btn{min-height:46px;font-size:16px;background:var(--mary);color:var(--mary-ink)}

/* Navegación entre secciones */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:56px 0 8px}
.pager a{display:flex;flex-direction:column;gap:4px;text-decoration:none;border:1px solid var(--line);border-radius:16px;padding:14px 18px;background:var(--card);color:var(--ink);font:700 17px/1.3 var(--serif);box-shadow:var(--shadow)}
.pager a:hover{border-color:var(--mary)}
.pager a small{font:700 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.pager .nx{grid-column:2;text-align:right}
@media (max-width:520px){.pager{grid-template-columns:1fr}.pager .nx{grid-column:1}}

/* Pie */
.foot{border-top:1px solid var(--line);margin-top:48px;padding:28px 0 36px;font-size:14.5px;color:var(--muted);background:var(--card)}
.foot .row{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:12px}
.foot a{color:var(--muted)}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{
  .top,.nav,.dock,.scrim,.pop,.install,.pager,.cta,.skip{display:none!important}
  body{padding:0!important;font-size:12pt;background:#fff;color:#000}
  .cover{min-height:0;color:#000;background:none}.cover img,.cover::after{display:none}.cover h1,.cover .lead{color:#000}
  a{color:#000}.notes{break-before:page}
}

/* Ilustración de la sección 6 */
.il-soft{fill:var(--mary-soft)}
.il-ink-f{fill:var(--mary)}
.il-gold-f{fill:var(--gold-bright)}
.il-line{stroke:var(--mary)}
.il-text{fill:var(--ink);font-family:var(--serif)}
.il-sub{fill:var(--muted);font-family:var(--sans)}