/* Layout: sitio académico multipágina — cabecera fija con menú y submenú, páginas por pestaña (hash), columna de lectura 68ch + rail lateral */
:root{
  --paper:#FBF7F6; --surface:#FFFFFF; --ink:#2A1C24; --muted:#5D504E; --line:#E9DDDD;
  --accent:#9C2227; --accent-soft:#F5E4E5; --ochre:#B0521D; --ochre-soft:#F8E7DC; --deep:#3D2834; --on-deep:#FFFFFF; --rose:#E5C7CA; color-scheme:light;
  --display:"Spectral", Georgia, "Times New Roman", serif;
  --body:"Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --step-1:.8125rem; --step0:1rem; --step1:1.25rem; --step2:1.6rem; --step3:2.2rem; --step4:clamp(2.4rem,6vw,3.6rem);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:var(--step0);line-height:1.6}
a{color:var(--accent)} a:focus-visible,button:focus-visible{outline:2px solid var(--ochre);outline-offset:2px}
h1,h2,h3{font-family:var(--display);line-height:1.15;text-wrap:balance;margin:0}
h2{font-size:var(--step3);font-weight:600} h3{font-size:var(--step1);font-weight:600}
.wrap{max-width:72rem;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.eyebrow{font-size:var(--step-1);letter-spacing:.12em;text-transform:uppercase;color:var(--ochre);font-weight:600}

/* Header */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4.25rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink)}
.mono{width:2.4rem;height:2.4rem;border-radius:50%;background:var(--accent);color:var(--surface);display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:1rem;flex:none}
.brand b{font-family:var(--display);font-size:1.15rem;font-weight:600;display:block;line-height:1.1}
.brand small{color:var(--muted);font-size:var(--step-1)}
nav.menu ul{list-style:none;margin:0;padding:0;display:flex;gap:.25rem;align-items:center}
nav.menu a,nav.menu button.parent{display:block;padding:.5rem .8rem;border-radius:6px;text-decoration:none;color:var(--ink);font:500 .95rem var(--body);background:none;border:0;cursor:pointer}
nav.menu a:hover,nav.menu button.parent:hover{background:var(--accent-soft)}
nav.menu a.active,nav.menu button.parent.active{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent);border-radius:0}
.has-sub{position:relative}
.sub{position:absolute;top:100%;left:0;min-width:16rem;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:.4rem;box-shadow:0 10px 30px rgba(61,40,52,.12);display:none!important;flex-direction:column}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:flex!important}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:1rem}
.gallery figure{margin:0;display:grid;gap:.4rem}.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px;border:1px solid var(--line)}.gallery figcaption{font-size:var(--step-1);color:var(--muted)}
.portrait img{width:100%;height:100%;object-fit:cover}
.alert{padding:.7rem 1rem;border-radius:6px;background:var(--accent-soft);color:var(--accent);font-weight:600}.alert.err{background:var(--ochre-soft);color:var(--ochre)}
.hp{position:absolute;left:-9999px}
body{margin:0}
.sub a{padding:.55rem .75rem!important}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:.45rem .7rem;color:var(--ink);font:600 .9rem var(--body);cursor:pointer}
@media (max-width:860px){
  .burger{display:block}
  nav.menu{display:none;width:100%;padding-bottom:.75rem}
  nav.menu.open{display:block}
  .bar{flex-wrap:wrap}
  nav.menu ul{flex-direction:column;align-items:stretch}
  .sub{position:static;display:flex!important;border:0;box-shadow:none;padding:0 0 0 1rem;min-width:0}
  nav.menu a.active,nav.menu button.parent.active{box-shadow:inset 3px 0 0 var(--accent)}
}

/* Pages */
main{padding-block:2.5rem 4rem}
.page{display:grid;gap:2.5rem}
.page-head{display:grid;gap:.6rem;max-width:48rem}
.page-head p{color:var(--muted);font-size:var(--step1);margin:0;font-family:var(--display)}
.crumbs{font-size:var(--step-1);color:var(--muted)} .crumbs a{color:var(--muted)}

/* Hero */
.hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center;padding-block:1rem 1.5rem}
.hero h1{font-size:var(--step4);font-weight:700;letter-spacing:-.01em}
.hero h1 span{display:block;color:var(--accent)}
.hero .lead{font-size:var(--step1);max-width:36rem;margin:.9rem 0 0}
.ctas{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.btn{display:inline-block;padding:.65rem 1.1rem;border-radius:999px;border:1px solid var(--accent);text-decoration:none;font-weight:600;font-size:.95rem;color:var(--accent);background:transparent;cursor:pointer}
.btn.primary{background:var(--accent);color:var(--surface)}
.portrait{aspect-ratio:4/5;max-width:100%;border-radius:4px;background:
  linear-gradient(160deg,var(--accent-soft),var(--ochre-soft));border:1px solid var(--line);display:grid;place-items:center;position:relative;overflow:hidden}
.portrait .ph{font-family:var(--display);font-size:5rem;color:var(--accent);opacity:.55}
.portrait figcaption{position:absolute;bottom:.75rem;left:.75rem;right:.75rem;font-size:var(--step-1);color:var(--muted);background:var(--surface);padding:.35rem .6rem;border-radius:4px;opacity:.92}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-block:1px solid var(--line)}
.facts div{padding:1.1rem 1rem;border-left:1px solid var(--line)} .facts div:first-child{border-left:0}
.facts b{display:block;font-family:var(--display);font-size:var(--step2);color:var(--accent);font-variant-numeric:tabular-nums}
.facts span{font-size:var(--step-1);color:var(--muted)}
@media (max-width:700px){.hero{grid-template-columns:1fr}.portrait{max-width:16rem}.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.facts div:nth-child(3){border-left:0}}

.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:1.3rem;display:grid;gap:.5rem;align-content:start}
.tile p{margin:0;color:var(--muted);font-size:.95rem}
.tile a{font-weight:600;font-size:.9rem;text-decoration:none}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:1rem;flex-wrap:wrap}

/* Reading */
.cols{display:grid;grid-template-columns:minmax(0,1fr) 19rem;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
@media (max-width:860px){.cols{grid-template-columns:1fr}}
.prose{max-width:68ch} .prose p{margin:0 0 1rem}
.rail{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:1.2rem;display:grid;gap:1rem;font-size:.92rem}
.rail dl{margin:0;display:grid;gap:.6rem} .rail dt{font-size:var(--step-1);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)} .rail dd{margin:0}

/* Timeline */
.tl{list-style:none;margin:0;padding:0;display:grid}
.tl li{display:grid;grid-template-columns:8.5rem minmax(0,1fr);gap:1rem;padding:.9rem 0;border-top:1px solid var(--line)}
.tl time{font-variant-numeric:tabular-nums;color:var(--ochre);font-weight:600;font-size:.9rem}
.tl b{display:block} .tl span{color:var(--muted);font-size:.92rem}
@media (max-width:520px){.tl li{grid-template-columns:1fr;gap:.2rem}}

/* Lists */
.filters{display:flex;flex-wrap:wrap;gap:.4rem}
.chip{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:.35rem .8rem;font:500 .85rem var(--body);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--surface)}
.chip small{opacity:.7;margin-left:.25rem;font-variant-numeric:tabular-nums}
.search{flex:1 1 14rem;min-width:0;padding:.5rem .8rem;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);font:inherit}
.items{list-style:none;margin:0;padding:0}
.items li{display:grid;grid-template-columns:4rem minmax(0,1fr);gap:1rem;padding:1rem 0;border-top:1px solid var(--line)}
.items .y{font-family:var(--display);font-size:1.15rem;color:var(--accent);font-variant-numeric:tabular-nums}
.items .t{font-family:var(--display);font-size:1.08rem;font-weight:600;line-height:1.35}
.items .m{color:var(--muted);font-size:.9rem;margin-top:.2rem}
.tag{display:inline-block;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;font-weight:700;padding:.12rem .45rem;border-radius:3px;background:var(--accent-soft);color:var(--accent);margin-right:.35rem;vertical-align:1px}
.tag.o{background:var(--ochre-soft);color:var(--ochre)}
.count{color:var(--muted);font-size:.9rem}
@media (max-width:520px){.items li{grid-template-columns:1fr;gap:.15rem}}

.map{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1rem}
.map .tile h3{font-size:1.05rem}
.kv{display:flex;flex-wrap:wrap;gap:.4rem}

/* Contact */
form{display:grid;gap:.9rem;max-width:34rem}
label{display:grid;gap:.3rem;font-weight:600;font-size:.9rem}
input,textarea{font:inherit;padding:.6rem .75rem;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink)}
.note{font-size:.88rem;color:var(--muted)}
.todo{background:var(--ochre-soft);color:var(--ochre);padding:.1rem .35rem;border-radius:3px;font-weight:600}

footer{border-top:1px solid var(--line);background:var(--surface);padding-block:2rem;font-size:.9rem;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem}
footer a{color:var(--muted)}

.h2{font-size:var(--step3);font-weight:600}
img{max-width:100%;height:auto}
.hero h1.name{font-size:var(--step4)}
.chip{text-decoration:none;display:inline-block}
header.site{border-top:4px solid var(--deep);box-shadow:inset 0 -1px 0 var(--rose)}
footer{background:var(--deep)!important;color:var(--on-deep)!important;border-top:3px solid var(--accent)!important}
footer a{color:var(--on-deep)!important;opacity:.9}
.mono{background:var(--deep);color:var(--on-deep)!important}
.facts{border-color:var(--rose)}
.hero h1 span{color:var(--accent)}
/* Formulario de contacto */
.cform{max-width:none;gap:1.25rem}
.cform fieldset{border:1px solid var(--line);border-radius:6px;background:var(--surface);padding:1.1rem 1.2rem 1.2rem;margin:0;display:grid;gap:.9rem;min-width:0}
.cform legend{font-family:var(--display);font-weight:600;font-size:1.1rem;padding:0 .4rem;color:var(--deep)}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem}
@media (max-width:600px){.row2{grid-template-columns:1fr}}
select{font:inherit;padding:.6rem .75rem;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.field-err{color:var(--accent);font-weight:500;font-size:.85rem}
.rgpd{font-size:.82rem;color:var(--muted);background:var(--accent-soft);border-radius:6px;padding:.9rem 1rem;display:grid;gap:.4rem}
.rgpd b{color:var(--ink);font-size:.88rem}
.rgpd dl{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:.2rem .8rem;margin:0}
.rgpd dt{font-weight:600;color:var(--ink)} .rgpd dd{margin:0}
.check{display:flex;gap:.6rem;align-items:flex-start;font-weight:500}
.check input{width:1.1rem;height:1.1rem;margin-top:.2rem;accent-color:var(--accent);flex:none}
.h3{font-size:var(--step1);font-weight:600;margin:1.6rem 0 .5rem}
.cform label{min-width:0}
.cform input:not([type=checkbox]),.cform select,.cform textarea{width:100%;min-width:0;max-width:100%}
.cform .btn{justify-self:start}
.tabla{border-collapse:collapse;width:100%;min-width:34rem;background:var(--surface);font-size:.92rem}
.tabla th,.tabla td{padding:.6rem .8rem;border-bottom:1px solid var(--line);text-align:left}
.tabla th{font-size:var(--step-1);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600}
.tabla td:not(:first-child){font-variant-numeric:tabular-nums;font-weight:600;color:var(--accent)}
.mas{font-weight:600;text-decoration:none}
.page > *{min-width:0}

/* Ilustraciones decorativas: espacio reservado y reproducción única. */
.motion-mark{display:block;width:5.6rem;height:3.6rem;max-width:100%;color:var(--accent);margin-bottom:.35rem;overflow:hidden}
.book-leaf{stroke:var(--ochre)}
@media (prefers-reduced-motion:no-preference){
  .motion-play .book-lines{animation:book-read 1.8s ease-out both}
  .motion-play .book-leaf{stroke-dasharray:55;animation:book-leaf 1.8s ease-out both}
  .motion-play .verify-lens{animation:verify-look 1.8s ease-in-out both}
  .motion-play .verify-check{stroke-dasharray:22;animation:verify-check 1.8s ease-out both}
  .btn{transition:background-color .2s ease,color .2s ease}
  .btn:hover{background:var(--accent-soft)}
  .btn.primary:hover{background:var(--deep)}
  @keyframes book-read{from{opacity:.3;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}
  @keyframes book-leaf{from{stroke-dashoffset:55}to{stroke-dashoffset:0}}
  @keyframes verify-look{0%{transform:translate(-10px,-3px)}65%,100%{transform:translate(0,0)}}
  @keyframes verify-check{0%,45%{stroke-dashoffset:22}100%{stroke-dashoffset:0}}
}