:root{
  --bg:#FAF6F0;--surface:#fff;--ink:#2B1D14;--ink-2:#5E4838;--line:rgba(43,29,20,.12);
  --dark:#2B1D14;--on-dark:#F5ECE0;--caramel:#E0AC6E;--cta:#B84E14;--cta-hover:#9C410F;
  --shadow:0 1px 2px rgba(43,29,20,.06),0 8px 24px rgba(43,29,20,.08);
  --display:"Fraunces",Georgia,serif;--body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 18px/1.75 var(--body);touch-action:manipulation}
img{max-width:100%;height:auto;display:block}
a{color:var(--cta);text-underline-offset:3px}
a:hover{color:var(--cta-hover)}
:focus-visible{outline:3px solid var(--caramel);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--surface);padding:10px 14px;border-radius:8px;z-index:10}
.skip:focus{left:8px}
h1,h2,h3{font-family:var(--display);line-height:1.2;letter-spacing:-.01em;text-wrap:balance;color:var(--ink)}
h1{font-size:clamp(2rem,5vw,3rem);margin:.2em 0 .4em}
h2{font-size:clamp(1.45rem,3vw,1.9rem);margin:2em 0 .6em;scroll-margin-top:80px}
h3{font-size:1.2rem;margin:1.6em 0 .4em}
p,ul,ol{margin:0 0 1.1em}
li{margin-bottom:.4em}
strong{color:var(--ink)}

/* Barra superior */
.top{background:var(--dark);color:var(--on-dark)}
.top .in{max-width:1100px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font:700 1.1rem/1 var(--display)}
.brand img{width:32px;height:32px;border-radius:8px}
.brand:hover{color:var(--caramel)}
.top nav{display:flex;gap:18px;font:600 .95rem/1 var(--body)}
.top nav a{color:var(--on-dark);text-decoration:none;padding:10px 4px}
.top nav a:hover{color:var(--caramel)}

/* Artículo */
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
.crumbs{font-size:.9rem;color:var(--ink-2);margin:28px 0 0}
.crumbs a{color:var(--ink-2)}
.meta{color:var(--ink-2);font-size:.95rem;margin-bottom:24px}
.lead{font-size:1.18rem;color:var(--ink-2)}
.hero-img{margin:8px 0 6px;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:#EFE6DA}
.hero-img img{width:100%;height:100%;object-fit:cover}
.credit{font-size:.8rem;color:var(--ink-2);margin:0 0 28px}
.credit a{color:var(--ink-2)}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:0 0 8px}
.toc strong{display:block;margin-bottom:6px;font-size:.95rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.toc ol{margin:0;padding-left:1.2em}
.toc li{margin:.2em 0}
.note{background:#F4ECE1;border-left:4px solid var(--caramel);border-radius:10px;padding:14px 18px;margin:1.4em 0}
.note p:last-child{margin:0}
.table-wrap{overflow-x:auto;margin:1.2em 0 1.6em;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.95rem;min-width:520px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#F4ECE1;font-weight:700}
tr:last-child td{border-bottom:0}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}

/* CTA del curso */
.cta{background:var(--dark);color:var(--on-dark);border-radius:18px;padding:28px 26px;margin:2.4em 0}
.cta h2{color:#fff;margin:0 0 .4em;font-size:1.6rem}
.cta p{color:#E4D6C6}
.cta strong{color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 26px;border-radius:999px;background:var(--cta);color:#fff;font:700 1rem/1.2 var(--body);text-decoration:none;cursor:pointer;transition:background-color .2s ease,transform .2s ease}
.btn:hover{background:var(--cta-hover);color:#fff;transform:translateY(-1px)}
@media (max-width:640px){.btn{width:100%}}
.cta small{display:block;margin-top:12px;color:#B9A594;font-size:.85rem}

.sources{font-size:.92rem;color:var(--ink-2)}
.related{margin:2.4em 0 0;padding-top:1.4em;border-top:1px solid var(--line)}
.related ul{list-style:none;padding:0}
.related li{margin:.5em 0}

/* Índice del blog */
.blog-head{padding:48px 0 12px}
.cards{display:grid;gap:22px;grid-template-columns:1fr;margin:24px 0 64px}
@media (min-width:720px){.cards{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(43,29,20,.08),0 14px 32px rgba(43,29,20,.12);color:inherit}
.card .img{aspect-ratio:16/9;background:#EFE6DA}
.card .img img{width:100%;height:100%;object-fit:cover}
.card .body{padding:18px 20px 22px}
.card h2{font-size:1.3rem;margin:.1em 0 .4em}
.card p{color:var(--ink-2);font-size:.98rem;margin:0}
.wide{max-width:1100px}

footer{margin-top:56px;padding:32px 0 48px;border-top:1px solid var(--line);font-size:.9rem;color:var(--ink-2)}
footer p{margin:.3em 0}
footer a{color:var(--ink-2)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media (max-width:480px){.top .in{padding:12px 16px}.brand{font-size:1rem}.top nav{gap:12px;font-size:.88rem}.top nav a{padding:10px 2px}}