:root{
  --papel:#F4F6FB; --superficie:#FFFFFF; --tinta:#141A38; --tinta-suave:#525B7A;
  --linea:#DCE1EE; --noche:#141A38; --noche-2:#1F2754; --acento:#4C5BFF; --sobre-noche:#FFFFFF;
  --ancho:1180px; --lectura:70ch;
  --titulos:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --texto:"Source Serif 4",Georgia,"Times New Roman",serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --papel:#0E1228; --superficie:#171D3B; --tinta:#EDEFFA; --tinta-suave:#A8AFCB;
    --linea:#2A3260; --noche:#070A1C; --noche-2:#141A38; --acento:#8C97FF;
  }
}
:root[data-theme="dark"]{
  --papel:#0E1228; --superficie:#171D3B; --tinta:#EDEFFA; --tinta-suave:#A8AFCB;
  --linea:#2A3260; --noche:#070A1C; --noche-2:#141A38; --acento:#8C97FF;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--papel);color:var(--tinta);font-family:var(--texto);font-size:1.125rem;line-height:1.65}
img,svg{max-width:100%}
a{color:var(--acento);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--acento);outline-offset:3px;border-radius:3px}
.contenedor{width:100%;max-width:var(--ancho);margin:0 auto;padding:0 1.25rem}

/* Cabecera */
.cabecera{background:var(--noche);color:var(--sobre-noche);position:relative;z-index:2}
.cabecera .contenedor{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1rem;padding-bottom:1rem}
.logo{font-family:var(--titulos);font-weight:800;font-size:1.7rem;letter-spacing:-.035em;color:#fff;text-decoration:none;display:flex;align-items:center;gap:.55rem}
.logo-icono{width:36px;height:36px;border-radius:10px;background:var(--acento);display:grid;place-items:center}
.logo-icono svg{width:22px;height:22px}
.menu{display:flex;gap:.35rem;flex-wrap:wrap;font-family:var(--titulos);font-size:1rem}
.menu a{color:#C9CEEA;text-decoration:none;padding:.45rem .8rem;border-radius:999px}
.menu a:hover{color:#fff;background:rgba(255,255,255,.08)}
.menu a[aria-current="page"]{color:var(--noche);background:#fff}

/* Portada: héroe */
.heroe{background:var(--noche);color:#fff;padding:2.5rem 0 4.5rem;overflow:hidden}
.heroe .contenedor{display:grid;gap:2.5rem;align-items:center}
@media(min-width:880px){.heroe .contenedor{grid-template-columns:1.15fr 1fr}}
.heroe h1{font-family:var(--titulos);font-weight:800;font-size:clamp(2.3rem,5.6vw,4.3rem);line-height:1.02;letter-spacing:-.04em;margin:1rem 0 1.1rem;max-width:17ch}
.heroe h1 a{color:#fff;text-decoration:none}
.heroe h1 a:hover{text-decoration:underline;text-decoration-thickness:4px}
.heroe p{color:#C9CEEA;font-size:1.25rem;max-width:48ch;margin:0 0 1.75rem}
.boton{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--titulos);font-weight:600;font-size:1.05rem;background:#fff;color:var(--noche);padding:.8rem 1.4rem;border-radius:999px;text-decoration:none}
.boton:hover{background:#E4E7FF}
.heroe .portada-img{border-radius:22px;overflow:hidden;transform:rotate(2deg);box-shadow:0 30px 60px -20px rgba(0,0,0,.55)}
.heroe .portada-img svg{display:block;width:100%;height:auto}

/* Etiquetas de categoría */
.cat{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--titulos);font-weight:600;font-size:.9rem;padding:.25rem .7rem;border-radius:999px;background:var(--c);color:#141A38;text-decoration:none}
.meta{font-family:var(--titulos);font-size:.95rem;color:var(--tinta-suave)}
.heroe .meta{color:#A9B0D6}

/* Filtros */
.zona{padding:0 0 4rem;margin-top:-2rem;position:relative}
.panel-filtros{background:var(--superficie);border:1px solid var(--linea);border-radius:18px;padding:1rem 1.25rem;display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin-bottom:2.5rem}
.panel-filtros span{font-family:var(--titulos);font-weight:600;margin-right:.5rem}
.filtro{font-family:var(--titulos);font-size:.95rem;border:1.5px solid var(--linea);background:transparent;color:var(--tinta);padding:.4rem .9rem;border-radius:999px;cursor:pointer}
.filtro:hover{border-color:var(--tinta-suave)}
.filtro[aria-pressed="true"]{background:var(--tinta);color:var(--papel);border-color:var(--tinta)}

.rejilla-portada{display:grid;gap:2.5rem}
@media(min-width:960px){.rejilla-portada{grid-template-columns:minmax(0,1fr) 300px}}
.tarjetas{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.tarjeta{background:var(--superficie);border:1px solid var(--linea);border-radius:18px;overflow:hidden;display:flex;flex-direction:column}
.tarjeta .img{display:block;aspect-ratio:5/3;overflow:hidden}
.tarjeta .img svg{display:block;width:100%;height:100%}
.tarjeta .cuerpo{padding:1.1rem 1.25rem 1.35rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.tarjeta h3{font-family:var(--titulos);font-size:1.3rem;line-height:1.2;letter-spacing:-.02em;margin:0}
.tarjeta h3 a{color:var(--tinta);text-decoration:none}
.tarjeta h3 a:hover{text-decoration:underline}
.tarjeta p{margin:0;color:var(--tinta-suave);font-size:1rem;line-height:1.55}
.tarjeta .meta{margin-top:auto;padding-top:.4rem}
.tarjeta[hidden]{display:none}
.mas{text-align:center;margin-top:2rem}.mas[hidden]{display:none}
.boton-mas{font-family:var(--titulos);font-weight:600;font-size:1.05rem;background:var(--tinta);color:var(--papel);border:0;padding:.85rem 1.6rem;border-radius:999px;cursor:pointer}
.boton-mas:hover{opacity:.88}
.secciones{list-style:none;margin:0;padding:0}
.secciones a{display:flex;align-items:center;gap:.6rem;padding:.5rem 0;font-family:var(--titulos);color:var(--tinta);text-decoration:none;border-top:1px solid var(--linea)}
.secciones li:first-child a{border-top:0}
.secciones a:hover{color:var(--acento)}
.secciones .punto{width:12px;height:12px;border-radius:50%;flex:none}
.secciones .n{margin-left:auto;color:var(--tinta-suave);font-size:.9rem}
.tarjeta .cat{align-self:flex-start}

/* Lateral */
.lateral section{background:var(--superficie);border:1px solid var(--linea);border-radius:18px;padding:1.25rem 1.35rem;margin-bottom:1.5rem}
.lateral h2{font-family:var(--titulos);font-size:1.2rem;margin:0 0 .75rem}
.lateral p{margin:0 0 .75rem;font-size:1rem;color:var(--tinta-suave)}
.ranking{list-style:none;margin:0;padding:0;counter-reset:r}
.ranking li{counter-increment:r;display:grid;grid-template-columns:2.2rem 1fr;gap:.25rem;padding:.6rem 0;border-top:1px solid var(--linea)}
.ranking li:first-child{border-top:0}
.ranking li::before{content:counter(r);font-family:var(--titulos);font-weight:800;font-size:1.6rem;line-height:1;color:var(--acento)}
.ranking a{font-family:var(--titulos);font-size:1rem;line-height:1.3;color:var(--tinta);text-decoration:none}
.ranking a:hover{text-decoration:underline}

/* Anuncios */
.anuncio{min-height:110px;margin:2rem 0;display:flex;align-items:center;justify-content:center;border:2px dashed var(--linea);border-radius:14px;color:var(--tinta-suave);font-family:var(--titulos);font-size:.9rem;background:repeating-linear-gradient(45deg,transparent 0 12px,rgba(127,127,160,.06) 12px 24px)}
.lateral .anuncio{min-height:260px;margin:0 0 1.5rem}

/* Artículo */
.cabecera-art{background:var(--noche);color:#fff;padding:2.5rem 0 7rem}
.cabecera-art .interior{max-width:820px;margin:0 auto;padding:0 1.25rem}
.cabecera-art h1{font-family:var(--titulos);font-weight:800;font-size:clamp(2rem,5vw,3.4rem);line-height:1.05;letter-spacing:-.035em;margin:1rem 0}
.cabecera-art .entradilla{font-size:1.3rem;color:#C9CEEA;margin:0 0 1rem}
.cabecera-art .meta{color:#A9B0D6}
.art-portada{max-width:820px;margin:-5rem auto 0;padding:0 1.25rem}
.art-portada svg{display:block;width:100%;height:auto;border-radius:22px;box-shadow:0 24px 50px -24px rgba(20,26,56,.5)}
.articulo{max-width:var(--lectura);margin:0 auto;padding:2.5rem 1.25rem 3rem}
.articulo h2{font-family:var(--titulos);font-size:1.7rem;letter-spacing:-.02em;line-height:1.2;margin:2.5rem 0 .75rem}
.articulo p{margin:0 0 1.2rem}
.articulo ul,.articulo ol{padding-left:1.3rem;margin:0 0 1.2rem}
.articulo li{margin-bottom:.5rem}
.articulo li::marker{color:var(--acento);font-family:var(--titulos);font-weight:700}
.articulo blockquote{margin:2rem 0;padding:1.25rem 1.5rem;border-radius:16px;background:var(--superficie);border:1px solid var(--linea);border-left:6px solid var(--acento);font-family:var(--titulos);font-size:1.3rem;line-height:1.4}
.tabla-scroll{overflow-x:auto;margin:0 0 1.5rem;border:1px solid var(--linea);border-radius:14px}
.articulo table{width:100%;border-collapse:collapse;font-family:var(--titulos);font-size:.95rem;background:var(--superficie)}
.articulo th,.articulo td{text-align:left;padding:.7rem .85rem;border-bottom:1px solid var(--linea)}
.articulo tr:last-child td{border-bottom:0}
.articulo th{background:var(--noche);color:#fff}
.relacionados{border-top:1px solid var(--linea);padding:3rem 0 4rem}
.relacionados h2{font-family:var(--titulos);font-size:1.6rem;letter-spacing:-.02em;margin:0 0 1.5rem}

/* Páginas simples */
.pagina{max-width:var(--lectura);margin:0 auto;padding:3rem 1.25rem 4rem}
.pagina h1{font-family:var(--titulos);font-size:clamp(2.2rem,5vw,3.4rem);letter-spacing:-.035em;line-height:1.05;margin:0 0 1.5rem}
.pagina h2{font-family:var(--titulos);font-size:1.4rem;margin:2rem 0 .5rem}
.aviso-plantilla{background:#FFF4D6;color:#5A4200;border-radius:12px;padding:.9rem 1.1rem;font-family:var(--titulos);font-size:.95rem}

/* Pie */
.pie{background:var(--noche);color:#A9B0D6;padding:2.5rem 0;font-family:var(--titulos);font-size:.95rem}
.pie .contenedor{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.25rem;align-items:center}
.pie nav{display:flex;flex-wrap:wrap;gap:1.25rem}
.pie a{color:#DDE0F5}
.pie .logo{font-size:1.3rem}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Fotos de portada (la ilustración queda debajo como respaldo) */
.foto{position:relative;display:block;aspect-ratio:5/3;overflow:hidden;background:var(--linea)}
.foto>svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.foto>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.tarjeta .img .foto{height:100%}
.tarjeta .img img{transition:transform .35s ease}
.tarjeta:hover .img img{transform:scale(1.03)}
.art-portada{margin:-5rem auto 0}
.art-portada .foto{border-radius:22px;box-shadow:0 24px 50px -24px rgba(20,26,56,.5)}
.art-portada figcaption{font-family:var(--titulos);font-size:.85rem;color:var(--tinta-suave);margin-top:.6rem;text-align:right}
.art-portada figcaption a{color:inherit}
.heroe .portada-img .foto{border-radius:0}

/* ===== Añadidos 2026-10 ===== */
.saltar{position:absolute;left:-9999px;top:0;background:#fff;color:var(--noche);padding:.6rem 1rem;z-index:10;font-family:var(--titulos)}
.saltar:focus{left:1rem;top:1rem}
.menu{gap:.15rem}
.menu a{padding:.42rem .7rem}
.migas{font-family:var(--titulos);font-size:.92rem;color:#A9B0D6;margin-bottom:1rem}
.migas a{color:#DDE0F5;text-decoration:none}.migas a:hover{text-decoration:underline}
.cabecera-art .meta a{color:#fff}
a.cat:hover{filter:brightness(1.06);text-decoration:none}
.articulo h3{font-family:var(--titulos);font-size:1.3rem;letter-spacing:-.01em;line-height:1.25;margin:2rem 0 .5rem}
.articulo h2{scroll-margin-top:1rem}
.articulo blockquote.nota{font-family:var(--texto);font-size:1.05rem;line-height:1.6;margin:1.75rem 0}
.articulo blockquote.nota p:last-child{margin-bottom:0}
.articulo td{font-family:var(--texto);font-size:1rem;vertical-align:top}
.articulo th{font-family:var(--titulos);font-size:.95rem}
.articulo code{font-size:.92em;background:var(--superficie);border:1px solid var(--linea);border-radius:6px;padding:.05em .35em}
.indice{background:var(--superficie);border:1px solid var(--linea);border-radius:16px;padding:1.1rem 1.4rem;margin:0 0 2rem;font-family:var(--titulos)}
.indice p{font-weight:700;margin:0 0 .5rem;font-size:1rem}
.indice ul{margin:0;padding-left:1.1rem;font-size:.98rem;line-height:1.45}
.indice li::marker{color:var(--acento)}
.indice li{margin:.3rem 0}
.indice a{color:var(--tinta);text-decoration:none}.indice a:hover{color:var(--acento);text-decoration:underline}
.checklist{list-style:none;padding-left:0!important}
.checklist li{position:relative;padding-left:2rem}
.checklist li::before{content:"";position:absolute;left:0;top:.3rem;width:1.15rem;height:1.15rem;border-radius:6px;border:2px solid var(--acento);background:linear-gradient(var(--acento),var(--acento)) center/0 0 no-repeat}
.checklist li::after{content:"";position:absolute;left:.42rem;top:.47rem;width:.35rem;height:.6rem;border:solid var(--acento);border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.autor{display:flex;gap:1rem;align-items:flex-start;margin-top:3rem;padding:1.25rem 1.4rem;background:var(--superficie);border:1px solid var(--linea);border-radius:18px}
.autor p{margin:0 0 .4rem;font-size:1rem;color:var(--tinta-suave)}
.autor .autor-nombre{font-family:var(--titulos);font-weight:700;color:var(--tinta);font-size:1.05rem}
.autor-avatar{flex:none;width:52px;height:52px;border-radius:50%;background:var(--acento);color:#fff;display:grid;place-items:center;font-family:var(--titulos);font-weight:800;font-size:1.1rem}
.cabecera-cat{background:var(--noche);color:#fff;padding:2.5rem 0 4.5rem;border-bottom:6px solid var(--c)}
.cabecera-cat h1{font-family:var(--titulos);font-weight:800;font-size:clamp(2.2rem,5vw,3.6rem);letter-spacing:-.035em;line-height:1.05;margin:0 0 1rem}
.cat-intro{max-width:68ch}
.cat-intro p{color:#C9CEEA;margin:0 0 1rem}
.cabecera-cat .meta{color:#A9B0D6}
.zona-cat{margin-top:-2rem}
.entradilla-pag{font-size:1.25rem;color:var(--tinta-suave)}
.pagina ul{padding-left:1.3rem}.pagina li{margin-bottom:.5rem}
.boton-claro{background:var(--acento);color:#fff}
.boton-claro:hover{background:var(--acento);opacity:.9}
.pie .contenedor{align-items:flex-start}
.pie-marca{max-width:320px}
.pie-marca p{margin:.75rem 0 0;line-height:1.5}
.pie nav{flex-direction:column;gap:.5rem}
.pie-copy{width:100%;border-top:1px solid rgba(255,255,255,.12);padding-top:1.25rem}
@media(max-width:700px){.cabecera .contenedor{padding-bottom:.6rem}.menu{width:100%;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;margin:0 -1.25rem;padding:0 1.25rem .4rem}.menu::-webkit-scrollbar{display:none}.menu a{white-space:nowrap}.autor{flex-direction:column}}
.articulo figure{margin:2rem 0}.articulo figure img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--linea)}.articulo figcaption{font-family:var(--titulos);font-size:.9rem;color:var(--tinta-suave);margin-top:.5rem}
.error404{text-align:center;padding:4rem 1.25rem 5rem}
.error404 .num{font-family:var(--titulos);font-weight:800;font-size:clamp(5rem,18vw,9rem);line-height:1;color:var(--acento);margin:0}