/* Arbel Urdina — hoja única, mobile-first */
:root{--azul:#1F5FAD;--blanco:#F4F4EF;--oscuro:#1E2A2F;--amarillo:#F2C94C;--gris:#5b666b;--borde:#d9d9d0;--max:1120px;
--fuente:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:1rem}
body{margin:0;font-family:var(--fuente);background:var(--blanco);color:var(--oscuro);line-height:1.6;font-size:1.0625rem;min-height:100vh;display:flex;flex-direction:column}
main{flex:1;padding:1.25rem 0 3rem}
a{color:var(--azul)}
a:hover{color:var(--oscuro)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(1.75rem,5.5vw,2.7rem);margin:.3rem 0 .8rem}
h2{font-size:1.4rem}
.envoltorio{max-width:var(--max);margin:0 auto;padding:0 1rem}
.visualmente{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.saltar{position:absolute;left:-999px;top:0;background:var(--amarillo);color:var(--oscuro);padding:.5rem 1rem;z-index:60}
.saltar:focus{left:0}
:focus-visible{outline:3px solid var(--amarillo);outline-offset:2px}
.hueco{background:#fff3c4;color:var(--oscuro);padding:0 .2rem;border-radius:3px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em}

/* Cabecera */
.cabecera{background:var(--oscuro);color:var(--blanco);border-bottom:4px solid var(--azul)}
.cabecera .envoltorio{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;padding-top:.75rem;padding-bottom:.75rem}
.marca{display:flex;align-items:center;gap:.6rem;color:var(--blanco);text-decoration:none}
.marca:hover{color:var(--blanco)}
.marca svg{width:40px;height:40px;flex:none}
.marca-texto{font-weight:800;font-size:1.45rem;line-height:1}
.marca-texto span{color:var(--amarillo)}
.marca-lema{display:block;font-size:.72rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:#b9c4c8;margin-top:.2rem}
.boton-menu{background:none;border:2px solid var(--blanco);color:var(--blanco);border-radius:6px;padding:.35rem .7rem;font:inherit;font-size:.9rem;cursor:pointer}
.nav{width:100%;display:none}
.nav.abierta{display:block}
.nav ul{list-style:none;margin:.5rem 0 0;padding:0;display:flex;flex-direction:column}
.nav a{display:block;color:var(--blanco);text-decoration:none;padding:.6rem .25rem;border-top:1px solid #33444b;font-weight:600}
.nav a:hover,.nav a[aria-current="page"]{color:var(--amarillo)}
@media (min-width:860px){
 .boton-menu{display:none}
 .nav{display:block;width:auto}
 .nav ul{flex-direction:row;margin:0;gap:1.1rem}
 .nav a{border:0;padding:.25rem 0;border-bottom:2px solid transparent}
 .nav a[aria-current="page"]{border-bottom-color:var(--amarillo)}
}
.progreso{position:fixed;top:0;left:0;right:0;height:4px;z-index:50;pointer-events:none}
.progreso span{display:block;height:100%;background:var(--amarillo);transform:scaleX(0);transform-origin:0 50%}

/* Bloques comunes */
.titulo-bloque{display:flex;align-items:center;gap:.6rem;font-size:1.05rem;text-transform:uppercase;letter-spacing:.06em;margin:0 0 .9rem}
.titulo-bloque::before{content:"";flex:none;width:14px;height:14px;background:var(--amarillo);border:3px solid var(--azul);border-radius:3px}
.bloque-intro{margin:-.4rem 0 1rem;color:var(--gris)}
.aviso-carga{color:var(--gris)}
.boton{display:inline-block;background:var(--amarillo);color:var(--oscuro);font-weight:800;padding:.7rem 1.1rem;border-radius:8px;text-decoration:none}
.boton:hover{background:var(--blanco);color:var(--oscuro)}
.migas ol{list-style:none;margin:0 0 .75rem;padding:0;display:flex;flex-wrap:wrap;gap:.25rem;font-size:.85rem;color:var(--gris)}
.migas li+li::before{content:"›";margin-right:.25rem}
.migas li[aria-current]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw}

/* Tarjetas */
.lista-articulos{display:grid;gap:1rem;grid-template-columns:1fr}
@media (min-width:640px){.lista-articulos{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.filas .lista-articulos,.relacionados .lista-articulos,.seccion-lista{grid-template-columns:repeat(3,1fr)}}
.tarjeta{position:relative;background:#fff;border:1px solid var(--borde);border-left:5px solid var(--azul);border-radius:8px;padding:1rem 1.1rem;display:flex;flex-direction:column;gap:.4rem;transition:box-shadow .15s,transform .15s}
.tarjeta:hover{box-shadow:0 6px 18px rgba(30,42,47,.12);transform:translateY(-2px)}
.tarjeta h3{margin:0;font-size:1.15rem}
.tarjeta h3 a{color:var(--oscuro);text-decoration:none}
.tarjeta h3 a::after{content:"";position:absolute;inset:0}
.tarjeta:hover h3 a{color:var(--azul)}
.tarjeta p{margin:0;color:#3c4a50;font-size:.97rem}
.meta{font-size:.82rem;color:var(--gris);display:flex;flex-wrap:wrap;gap:.35rem .6rem;align-items:center}
.meta a{position:relative;z-index:1}
.lectura::before{content:"◷ "}
.etiqueta{display:inline-block;background:var(--azul);color:var(--blanco);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:.15rem .5rem;border-radius:4px;text-decoration:none}
a.etiqueta:hover{background:var(--oscuro);color:var(--blanco)}
.etiqueta-ejemplo{background:var(--amarillo);color:var(--oscuro)}

/* Portada */
.hero{margin-bottom:2rem}
.hero-lema h1{max-width:20ch}
.promesa{font-size:1.1rem;color:#33444b;max-width:62ch;margin:0 0 1.25rem}
.hero-cuerpo{display:grid;gap:1rem}
@media (min-width:960px){.hero-cuerpo{grid-template-columns:2fr 1fr;align-items:stretch}}
.destacado{height:100%;background:var(--azul);color:var(--blanco);border-radius:12px;padding:1.4rem;border-bottom:6px solid var(--amarillo);
 background-image:linear-gradient(135deg,rgba(255,255,255,.06) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.06) 50%,rgba(255,255,255,.06) 75%,transparent 75%);background-size:28px 28px}
.destacado .antetitulo{margin:0 0 .5rem;font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--amarillo)}
.destacado .meta{color:#dfe7ef}
.destacado .etiqueta{background:var(--oscuro)}
.destacado h2{font-size:clamp(1.45rem,4.5vw,2.1rem);margin:.6rem 0}
.destacado h2 a{color:var(--blanco);text-decoration:none}
.destacado h2 a:hover{text-decoration:underline}
.destacado-entradilla{font-size:1.05rem;margin:0 0 1.1rem;max-width:60ch}
.directo{background:var(--oscuro);color:var(--blanco);border-radius:12px;padding:1.25rem;border:3px dashed var(--amarillo)}
.directo h2{margin:0 0 .5rem;display:flex;align-items:center;gap:.5rem;font-size:1.05rem;text-transform:uppercase;letter-spacing:.06em}
.punto{width:10px;height:10px;border-radius:50%;background:#8a979c;display:inline-block}
.directo .vacio{font-size:1.05rem;margin:.5rem 0}
.directo small{color:#b9c4c8}
.portada-rejilla{display:grid;gap:2rem;margin-bottom:2.5rem}
@media (min-width:960px){.portada-rejilla{grid-template-columns:2fr 1fr;align-items:start}.bloque-imprescindibles{position:sticky;top:1rem}}
.bloque-imprescindibles{background:#fff;border:1px solid var(--borde);border-top:5px solid var(--amarillo);border-radius:10px;padding:1.1rem 1.2rem}
.imprescindibles{list-style:none;counter-reset:n;margin:0;padding:0}
.imprescindibles li{counter-increment:n;position:relative;padding:.7rem 0 .7rem 2.6rem;border-top:1px solid var(--borde);display:flex;flex-direction:column;gap:.2rem}
.imprescindibles li:first-child{border-top:0}
.imprescindibles li::before{content:counter(n);position:absolute;left:0;top:.55rem;width:2rem;height:2rem;border-radius:50%;background:var(--oscuro);color:var(--amarillo);font-weight:800;display:flex;align-items:center;justify-content:center}
.imprescindibles a{color:var(--oscuro);font-weight:700;text-decoration:none;line-height:1.3}
.imprescindibles a:hover{color:var(--azul);text-decoration:underline}
.fila{margin-bottom:2.25rem}
.fila-cab{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.25rem 1rem}
.ver-todo{font-weight:700;font-size:.95rem;text-decoration:none;margin-bottom:.9rem}
.ver-todo:hover{text-decoration:underline}
.secciones-chips{margin:2rem 0}
.secciones-chips p{margin:0 0 .5rem;font-weight:700}
.secciones-chips ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem}
.secciones-chips a{display:inline-block;border:2px solid var(--azul);border-radius:999px;padding:.3rem .9rem;text-decoration:none;font-weight:700}
.secciones-chips a:hover{background:var(--azul);color:var(--blanco)}

/* Secciones */
.seccion-cab{max-width:760px;margin-bottom:1.5rem}
.seccion-intro{font-size:1.08rem;color:#33444b;margin:0}

/* Artículo */
.articulo{max-width:720px;margin:0 auto}
.banner-ejemplo{background:var(--amarillo);color:var(--oscuro);border:2px solid var(--oscuro);border-radius:8px;padding:.75rem 1rem;font-weight:700;margin:0 0 1.25rem}
.entradilla{font-size:1.2rem;color:#33444b;margin:0 0 1rem;font-weight:500}
.firma{border-top:1px solid var(--borde);border-bottom:1px solid var(--borde);padding:.6rem 0;margin:0 0 1.5rem}
.indice{background:#fff;border:1px solid var(--borde);border-radius:8px;padding:.9rem 1.1rem;margin:0 0 1.5rem}
.indice-titulo{margin:0 0 .3rem;font-weight:800;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em}
.indice ol{margin:0;padding-left:1.2rem}
.indice li{margin:.2rem 0}
.cuerpo{font-size:1.1rem}
.cuerpo h2{margin-top:2.2rem}
.cuerpo figure{margin:1.75rem 0}
.cuerpo figcaption{font-size:.85rem;color:var(--gris);margin-top:.4rem}
.cuerpo img{border-radius:8px;aspect-ratio:16/9;object-fit:cover;width:100%;background:#d9dde0}
.cita-destacada{margin:2rem 0;padding:0 0 0 1.25rem;border-left:6px solid var(--amarillo);font-size:1.35rem;font-weight:700;line-height:1.35;color:var(--azul)}
.cita-destacada p{margin:0}
.cita-destacada footer{font-size:.9rem;font-weight:500;color:var(--gris);margin-top:.5rem}
.clave{background:var(--oscuro);color:var(--blanco);border-radius:10px;padding:1rem 1.2rem;margin:1.75rem 0}
.clave p{margin:0}
.clave .clave-titulo{color:var(--amarillo);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;margin-bottom:.3rem}
.clave .hueco{background:#fff3c4}
.lee-tambien{border-top:3px solid var(--azul);border-bottom:1px solid var(--borde);padding:.8rem 0;margin:1.75rem 0;display:flex;flex-direction:column;gap:.15rem}
.lee-tambien:empty{display:none}
.lee-tambien-etq{margin:0;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--azul)}
.lee-tambien a{font-weight:700;font-size:1.1rem;color:var(--oscuro)}
.compartir{margin:2rem 0 1.5rem;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1rem}
.compartir p{margin:0;font-weight:700}
.compartir ul{list-style:none;margin:0;padding:0;display:flex;gap:.5rem}
.compartir a{display:inline-block;background:var(--oscuro);color:var(--blanco);text-decoration:none;font-weight:700;font-size:.9rem;padding:.4rem .8rem;border-radius:6px}
.compartir a:hover{background:var(--azul);color:var(--blanco)}
.autor{display:flex;gap:1rem;align-items:flex-start;background:#fff;border:1px solid var(--borde);border-radius:10px;padding:1rem 1.2rem}
.autor p{margin:.15rem 0}
.autor-inicial{flex:none;width:3.2rem;height:3.2rem;border-radius:50%;background:var(--azul);color:var(--amarillo);font-weight:800;font-size:1.4rem;display:flex;align-items:center;justify-content:center}
.autor-nombre{font-weight:800}
.siguiente{max-width:720px;margin:2rem auto}
.siguiente:empty{display:none}
.siguiente-enlace{display:flex;flex-direction:column;gap:.35rem;background:var(--azul);color:var(--blanco);text-decoration:none;border-radius:12px;padding:1.2rem 1.3rem;border-bottom:6px solid var(--amarillo)}
.siguiente-enlace:hover{color:var(--blanco);background:#1a5296}
.siguiente-etq{font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--amarillo)}
.siguiente-titulo{font-size:1.35rem;font-weight:800;line-height:1.25}
.siguiente-cta{font-weight:700}
.relacionados{margin:2.5rem 0}

/* CTA redes + newsletter */
.cta{display:grid;gap:1.25rem;background:var(--oscuro);color:var(--blanco);border-radius:14px;padding:1.5rem;margin-top:2.5rem}
@media (min-width:860px){.cta{grid-template-columns:3fr 2fr;align-items:center;padding:2rem}}
.cta h2{margin:0 0 .5rem;font-size:1.5rem}
.cta p{margin:0 0 .75rem;color:#d5dde0}
.redes{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem}
.red{display:inline-block;border:1px solid #4a5b62;border-radius:6px;padding:.3rem .6rem;font-size:.9rem;color:var(--blanco)}
a.red{background:var(--amarillo);color:var(--oscuro);font-weight:700;text-decoration:none;border-color:var(--amarillo)}
.newsletter{border:2px dashed var(--amarillo);border-radius:10px;padding:1rem 1.1rem}
.newsletter h3{margin:0 0 .4rem;font-size:1.15rem}
.newsletter p:last-child{margin:0}
.newsletter-etq{margin:0 0 .25rem!important;font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--amarillo)!important}

/* Páginas de texto */
.pagina{max-width:760px}
.pagina h2{margin-top:2rem}
.invitacion{background:#fff;border-left:5px solid var(--amarillo);padding:.75rem 1rem;margin-top:2rem}
table{width:100%;border-collapse:collapse;font-size:.92rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--borde);padding:.4rem .6rem;text-align:left}

/* Pie */
.pie{background:var(--oscuro);color:#c9d2d5;padding:2rem 0;font-size:.9rem}
.pie a{color:var(--blanco)}
.pie ul{list-style:none;padding:0;margin:.75rem 0;display:flex;flex-wrap:wrap;gap:.5rem 1.25rem}
.pie p{margin:.4rem 0}
.pie-marca{font-size:1rem}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.destacado .etiqueta-ejemplo{background:var(--amarillo);color:var(--oscuro)}
.firma,.autor .meta{display:block}