/* cortaunas.com — hoja de estilos única. Sin webfonts, sin imágenes, sin JS. */
:root{
  --bg:#f5f6f4;--paper:#ffffff;--ink:#1b1f23;--muted:#5f6b73;
  --steel:#2e6f8e;--steel-dark:#1f4d63;--rule:#d5dadd;--soft:#e9eef0;
  --amz:#d9880b;--amz-dark:#b26f06;--ok:#2f7d4f;--warn:#a34a2b;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --max:72rem;--text:44rem;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font:400 1.0625rem/1.6 var(--sans);color:var(--ink);background:var(--bg)}
a{color:var(--steel);text-decoration-thickness:1px;text-underline-offset:.15em}
a:hover{color:var(--steel-dark)}
:focus-visible{outline:3px solid var(--amz);outline-offset:2px}
img,svg{max-width:100%;height:auto}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.5vw,2.9rem)}
h2{font-size:clamp(1.45rem,3vw,1.9rem);margin-top:2.2em;padding-top:.6em;border-top:1px solid var(--rule)}
h3{font-size:1.2rem;margin-top:1.6em}
p,ul,ol,table,figure{margin:0 0 1.1em}
li{margin:.25em 0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1rem}
.prose{max-width:var(--text)}
.muted{color:var(--muted)}
.small{font-size:.9rem}

/* Cabecera */
.site-header{background:var(--paper);border-bottom:1px solid var(--rule)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.5rem;padding:.7rem 1rem}
.logo{font-family:var(--serif);font-weight:700;font-size:1.35rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em;display:flex;align-items:center;gap:.45rem}
.logo svg{width:1.4em;height:1.4em;flex:none}
.logo b{font-weight:inherit}.logo span{color:var(--steel)}
.nav{display:flex;flex-wrap:wrap;gap:.1rem .2rem;margin-left:auto;font-size:.93rem}
.nav a{color:var(--ink);text-decoration:none;padding:.35rem .55rem;border-radius:.3rem}
.nav a:hover,.nav a[aria-current]{background:var(--soft);color:var(--steel-dark)}

/* Migas */
.crumbs{font-size:.85rem;color:var(--muted);margin:1rem 0 .5rem}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.3rem}
.crumbs li+li::before{content:"›";margin-right:.3rem}
.crumbs a{color:var(--muted)}

/* Hero portada */
.hero{padding:2.5rem 0 2rem;border-bottom:1px solid var(--rule)}
.hero h1{font-size:clamp(2.1rem,5.5vw,3.4rem);max-width:22ch}
.hero p{font-size:1.15rem;max-width:56ch;color:var(--muted);margin-bottom:0}
.hero+h2{border-top:0;margin-top:1.6em}

/* Cabecera de artículo */
.page-head{padding:1rem 0 1.5rem}
.page-head .lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.meta{font-size:.85rem;color:var(--muted);margin-top:.5rem}

/* Cuadrícula de tarjetas */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:1rem;padding:0;list-style:none;margin:1.2rem 0 2rem}
.card{background:var(--paper);border:1px solid var(--rule);border-radius:.5rem;padding:1.1rem 1.2rem;display:flex;flex-direction:column;gap:.3rem}
.card h3,.card h2{margin:0;font-size:1.15rem;border:0;padding:0}
.card a{text-decoration:none}
.card a:hover{text-decoration:underline}
.card p{margin:0;font-size:.95rem;color:var(--muted)}
.card .kw{font-size:.78rem;color:var(--steel);text-transform:uppercase;letter-spacing:.06em}

/* Tabla de decisión (elemento distintivo) */
.decide{width:100%;border-collapse:collapse;background:var(--paper);border:1px solid var(--rule);font-size:.97rem}
.decide th,.decide td{padding:.7rem .8rem;text-align:left;vertical-align:top;border-top:1px solid var(--rule)}
.decide th{font-family:var(--serif);font-size:1rem;background:var(--soft)}
.decide thead th{border-top:0}
.decide td:first-child{font-weight:600;width:38%}
.table-wrap{overflow-x:auto;margin:0 0 1.2em}
table.cmp{width:100%;border-collapse:collapse;font-size:.93rem;background:var(--paper)}
table.cmp th,table.cmp td{border:1px solid var(--rule);padding:.55rem .7rem;text-align:left;vertical-align:top}
table.cmp th{background:var(--soft);font-weight:600}

/* Bloque de recomendación / afiliado */
.pick{background:var(--paper);border:1px solid var(--rule);border-left:4px solid var(--steel);border-radius:.4rem;padding:1rem 1.2rem;margin:1.5em 0}
.pick h3{margin-top:0}
.pick ul{margin-bottom:.6em}
.btn{display:inline-block;background:var(--amz);color:#fff;font-weight:600;padding:.6rem 1.1rem;border-radius:.35rem;text-decoration:none;font-size:.95rem}
.btn:hover{background:var(--amz-dark);color:#fff}
.btn-ghost{display:inline-block;border:1px solid var(--steel);color:var(--steel);padding:.5rem 1rem;border-radius:.35rem;text-decoration:none;font-size:.93rem}
.btn-ghost:hover{background:var(--soft)}
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:40rem){.pros-cons{grid-template-columns:1fr}}
.pros-cons ul{padding-left:1.1rem;margin:0}
.pros-cons h4{margin:0 0 .3em;font-size:.95rem}
.pros h4{color:var(--ok)}.cons h4{color:var(--warn)}

/* Aviso, notas */
.note{background:var(--soft);border-radius:.4rem;padding:.8rem 1rem;font-size:.93rem;margin:1.2em 0}
.disclosure{font-size:.85rem;color:var(--muted);border-top:1px dashed var(--rule);padding-top:.6rem;margin-top:1.5rem}

/* FAQ */
.faq details{border-top:1px solid var(--rule);padding:.6rem 0}
.faq details:last-child{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;font-weight:600;font-family:var(--serif);font-size:1.05rem}
.faq summary::marker{color:var(--steel)}
.faq p{margin:.5em 0 .2em}

/* Enlaces relacionados */
.related{margin:2.5rem 0 0;padding:1.2rem;background:var(--paper);border:1px solid var(--rule);border-radius:.5rem}
.related h2{margin-top:0;padding-top:0;border:0;font-size:1.25rem}
.related ul{columns:2;column-gap:2rem;padding-left:1.1rem;margin:0}
@media (max-width:40rem){.related ul{columns:1}}

/* Índice de página (TOC) */
.toc{max-width:var(--text);font-size:.92rem;background:var(--paper);border:1px solid var(--rule);border-radius:.4rem;padding:.8rem 1.1rem;margin:1.2em 0}
.toc strong{display:block;margin-bottom:.3em}
.toc ol{margin:0;padding-left:1.2rem}

/* Pie */
.site-footer{margin-top:4rem;background:var(--ink);color:#c9d1d6;font-size:.9rem}
.site-footer .wrap{padding:2rem 1rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1.5rem}
.site-footer h2{color:#fff;font-size:1rem;margin:0 0 .5em;border:0;padding:0}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer a{color:#e6ebee}
.site-footer .legal{grid-column:1/-1;border-top:1px solid #33393f;padding-top:1rem;font-size:.82rem;color:#9aa5ad}