:root{
  --paper:#FFFFFF; --paper-soft:#F5F8FC; --paper-raised:#FFFFFF; --ink:#1A1D22; --ink-soft:#6B7280;
  --navy:#1B3380; --accent:#1B87E6; --accent-dark:#0F5FB5; --gold:#FF9F00; --line:#E6E9F0;
  --shadow:0 1px 2px rgba(27,51,128,.05),0 10px 28px -14px rgba(27,51,128,.18);
  --font-display:'Fira Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-body:'Fira Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
@media(prefers-color-scheme:dark){
  :root{--paper:#12151C;--paper-soft:#181C25;--paper-raised:#1A1E27;--ink:#E9EBF1;--ink-soft:#9AA1B1;
  --navy:#8FB8F5;--line:#262B36;--accent:#4FA3F7;--accent-dark:#79BBFA;--gold:#F5B95C;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 10px 28px -14px rgba(0,0,0,.6);}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
a{color:var(--accent);text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:30;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(27,51,128,.03)}
header.site .wrap{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;gap:24px}
a.logo{font-family:var(--font-display);font-weight:800;font-size:1.3rem;color:var(--navy);text-decoration:none;white-space:nowrap;display:inline-flex;align-items:center;gap:8px;flex-shrink:0}
a.logo::after{content:'.';color:var(--gold);font-style:normal}
img.logo-img{object-fit:contain;border-radius:6px;margin:0;flex-shrink:0}
nav.site{display:flex;gap:26px;flex-wrap:wrap;align-items:center;flex:1;justify-content:center}
nav.site a{color:var(--ink);text-decoration:none;font-size:.92rem;font-weight:600}
nav.site a:hover{color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
a.cta-btn{background:var(--accent);color:#fff!important;font-weight:700;font-size:.86rem;padding:.62em 1.35em;border-radius:999px;white-space:nowrap;transition:background .15s ease}
a.cta-btn:hover{background:var(--accent-dark)}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px}
@media(max-width:900px){
  nav.site{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:14px 20px;gap:14px;box-shadow:var(--shadow)}
  nav.site.open{display:flex}
  .nav-toggle{display:flex}
  header.site .wrap{position:relative}
}

/* ---------- search ---------- */
.search-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink);cursor:pointer;flex-shrink:0;transition:background .15s ease,color .15s ease,border-color .15s ease}
.search-toggle:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.search-overlay{position:fixed;inset:0;z-index:50;background:rgba(15,18,25,.55);display:flex;align-items:flex-start;justify-content:center;padding:12vh 20px 20px}
.search-overlay[hidden]{display:none}
.search-panel{width:100%;max-width:600px;background:var(--paper-raised);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 60px -20px rgba(0,0,0,.45);overflow:hidden;max-height:70vh;display:flex;flex-direction:column}
.search-panel-head{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.search-panel-head svg{color:var(--ink-soft);flex-shrink:0}
.search-input{flex:1;border:0;background:none;font-family:var(--font-body);font-size:1rem;color:var(--ink);outline:none;padding:6px 0}
.search-input::placeholder{color:var(--ink-soft)}
.search-close{border:0;background:none;color:var(--ink-soft);cursor:pointer;font-size:1.1rem;line-height:1;padding:6px;border-radius:6px;flex-shrink:0}
.search-close:hover{color:var(--ink);background:var(--paper-soft)}
.search-results{overflow-y:auto;padding:8px}
.search-result{display:block;padding:10px 12px;border-radius:8px;text-decoration:none}
.search-result:hover,.search-result:focus-visible{background:var(--paper-soft)}
.search-result strong{display:block;font-family:var(--font-display);font-weight:700;color:var(--navy);font-size:.94rem;margin-bottom:2px}
.search-result span{display:block;color:var(--ink-soft);font-size:.82rem;line-height:1.5}
.search-state{padding:24px 16px;text-align:center;color:var(--ink-soft);font-size:.88rem}
mark.search-hit{background:transparent;color:var(--accent);font-weight:700;padding:0}

/* ---------- shell / grid ---------- */
main{padding:0 0 72px}
.shell{display:grid;grid-template-columns:minmax(0,720px) 280px;gap:48px;align-items:start;padding-top:32px}
@media(max-width:980px){.shell{grid-template-columns:minmax(0,1fr);gap:0}.rail{display:none}}

/* ---------- breadcrumbs & eyebrow ---------- */
nav.breadcrumbs{margin-bottom:18px;padding-top:22px}
nav.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0;font-size:.8rem;color:var(--ink-soft)}
nav.breadcrumbs li:not(:last-child)::after{content:'/';margin-left:6px;color:var(--line)}
nav.breadcrumbs a{color:var(--ink-soft);text-decoration:none}
nav.breadcrumbs a:hover{color:var(--accent)}
nav.breadcrumbs li[aria-current]{color:var(--ink);font-weight:600}
.shell nav.breadcrumbs{padding-top:0;grid-column:1 / -1}

/* ---------- article ---------- */
article{background:transparent}
p.meta{color:var(--ink-soft);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin:0 0 18px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
p.meta::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block}
h1{font-family:var(--font-display);font-weight:800;font-size:2.15rem;line-height:1.22;letter-spacing:-.01em;margin:0 0 14px;color:var(--navy)}
h2{font-family:var(--font-display);font-weight:700;font-size:1.42rem;line-height:1.32;margin:42px 0 14px;color:var(--navy)}
h3{font-family:var(--font-display);font-weight:700;font-size:1.14rem;margin:26px 0 10px;color:var(--navy)}
p{margin:0 0 18px}
ul,ol{margin:0 0 18px;padding-left:1.3em}
li{margin-bottom:8px}
article ul>li::marker{color:var(--accent)}
strong{font-weight:700}
blockquote{margin:24px 0;padding:14px 20px;border-left:4px solid var(--gold);background:var(--paper-soft);border-radius:0 10px 10px 0;color:var(--ink-soft);font-style:italic}
img{max-width:100%;height:auto;border-radius:10px;display:block}
img.featured-img{margin:0 0 28px;box-shadow:var(--shadow);width:100%;max-height:420px;object-fit:cover;border-radius:12px}
article img:not(.featured-img){margin:26px auto;box-shadow:var(--shadow);max-width:100%;max-height:460px;object-fit:cover;display:block}
article a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:2px}
article a[target="_blank"]::after{content:'\\2197';display:inline-block;margin-left:2px;font-size:.78em;color:var(--gold);text-decoration:none}
code{background:var(--paper-soft);border:1px solid var(--line);border-radius:4px;padding:.1em .4em;font-size:.9em}

/* ---------- rail (sidebar) ---------- */
.rail-box{background:var(--paper-raised);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:0 0 24px;box-shadow:var(--shadow)}
.rail-box strong{display:block;font-family:var(--font-body);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);margin-bottom:12px}
.rail-box ul{list-style:none;margin:0;padding:0}
.rail-box li{margin-bottom:0;border-top:1px solid var(--line)}
.rail-box li:first-child{border-top:0}
.rail-box li a{display:block;padding:9px 0;color:var(--ink);font-weight:600;font-size:.88rem}
.rail-box li a:hover{color:var(--accent)}

/* ---------- table of contents ---------- */
nav.toc{background:var(--paper-soft);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:0 0 24px}
nav.toc strong{display:block;font-family:var(--font-body);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);margin-bottom:10px}
nav.toc ul{list-style:none;margin:0;padding:0;counter-reset:toc}
nav.toc ul ul{padding-left:1.1em;margin-top:6px}
nav.toc li{counter-increment:toc;margin-bottom:8px;font-size:.9rem}
nav.toc li::before{content:counter(toc) '.';color:var(--accent);font-weight:700;margin-right:6px}
nav.toc a{color:var(--ink);text-decoration:none}
nav.toc a:hover{color:var(--accent)}
.rail nav.toc{position:sticky;top:88px}
.rail nav.toc a.active{color:var(--accent);font-weight:700}
.rail .rail-box{position:sticky;top:88px}

/* ---------- ad slots ---------- */
.ad-slot{margin:30px 0}
.ad-slot::before{content:'Publicidad';display:block;text-align:center;font-size:.66rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft);opacity:.55;margin-bottom:6px}
.rail .ad-slot{position:sticky;top:420px}

/* ---------- cards (index / related) ---------- */
.card-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px;margin:22px 0 0}
.card{background:var(--paper-raised);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 4px 8px rgba(27,51,128,.06),0 16px 32px -14px rgba(27,51,128,.2)}
.card-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;margin:0}
.card{padding-bottom:16px}
.card .cat{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);font-weight:700;margin:16px 18px 6px}
.card a{display:block;text-decoration:none;font-family:var(--font-display);font-weight:700;color:var(--navy);padding:0 18px;font-size:1rem;line-height:1.35}
section.related{margin-top:0}
section.related h2{margin-top:0;font-size:1.05rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.rail section.related .card-list{grid-template-columns:1fr;gap:14px}
.rail section.related .card a{font-size:.92rem}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);background:var(--paper-soft);margin-top:60px}
.footer-grid{padding:44px 20px 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
@media(max-width:700px){.footer-grid{grid-template-columns:1fr}}
.footer-brand p{color:var(--ink-soft);font-size:.85rem;margin:14px 0 12px}
.footer-col strong{display:block;font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--ink);font-size:.88rem;font-weight:600}
.footer-links a:hover{color:var(--accent)}
.social-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.social-links a{text-decoration:none;font-weight:700;font-size:.78rem;color:var(--navy);background:var(--paper-raised);border:1px solid var(--line);border-radius:999px;padding:.4em 1em}
.social-links a:hover{color:#fff;background:var(--accent);border-color:var(--accent)}
.footer-bottom{border-top:1px solid var(--line);padding:18px 20px;text-align:center}
.footer-bottom p{margin:0;color:var(--ink-soft);font-size:.8rem}

/* ---------- author byline (debajo del <h1>, alineado a la izquierda) ----------
   NOTA: "article img:not(.featured-img)" (más arriba, regla de imágenes de
   contenido) mete margin:26px auto + display:block a CUALQUIER <img> del
   artículo que no sea .featured-img -- incluido el avatar si no se lo gana
   explícitamente acá. Por eso .author-avatar y .author-box-avatar fijan
   margin:0 y display:inline-block/block sin depender del orden de cascada. */
.author-byline{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--ink-soft);margin-top:0!important;margin-right:0;margin-bottom:24px;margin-left:0!important;padding:0;text-align:left}
p.author-byline img.author-avatar,
.author-byline .author-avatar,
img.author-avatar{
  width:40px!important;
  height:40px!important;
  min-width:40px!important;
  max-width:40px!important;
  max-height:40px!important;
  margin:0!important;
  border-radius:50%!important;
  object-fit:cover!important;
  box-shadow:none!important;
  display:block!important;
  flex-shrink:0!important;
}
.author-byline-name{color:var(--ink)}
.author-byline-name strong{font-weight:700}
.author-byline-name em{font-style:italic;font-weight:400}

/* ---------- author box (pie del artículo, estilo "card" como .rail-box,
   deliberadamente distinta del cuerpo para no leerse como continuación
   del post) ---------- */
.author-box{display:flex;gap:16px;align-items:flex-start;margin:40px 0 8px;padding:20px;background:var(--paper-raised);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.author-box .author-box-avatar{width:64px;height:64px;margin:0;border-radius:50%;object-fit:cover;box-shadow:none;max-height:none;flex-shrink:0;display:block}
.author-box-info{display:flex;flex-direction:column;gap:2px}
.author-box-eyebrow{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft)}
.author-box-name{font-family:var(--font-display);font-weight:700;font-size:.98rem;color:var(--navy);margin-top:2px}
.author-box-bio{margin:6px 0 0;font-size:.88rem;line-height:1.6;color:var(--ink-soft)}
@media(max-width:520px){.author-box{flex-direction:column;align-items:center;text-align:center}}