/* Estilos compartidos del blog de Karga. NO borrar: lo usan todas las páginas de /blog/. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0b0b0c; --surface: #151517; --surface-2: #1b1b1e; --border: #26262a;
  --accent: #E03333; --accent-soft: rgba(224,51,51,.12);
  --text: #ececee; --muted: #9a9aa2; --radius: 16px;
}
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  background: radial-gradient(1000px 420px at 50% -120px, rgba(224,51,51,.10), transparent 70%), var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  font-size: 1.05rem; line-height: 1.8; -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 3px; }

/* ── Barra superior ── */
.topbar { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); background: rgba(11,11,12,.78); border-bottom: 1px solid var(--border); }
.topbar-inner { max-width: 1040px; margin: 0 auto; padding: .8rem 1.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -1px; color: var(--accent); text-decoration: none; }
.topbar nav { display: flex; gap: .3rem; font-size: .92rem; }
.topbar nav a { color: var(--muted); text-decoration: none; padding: .4rem .75rem; border-radius: 99px; transition: background .15s, color .15s; }
.topbar nav a:hover, .topbar nav a.on { color: var(--text); background: var(--surface-2); }

.wrap { max-width: 740px; margin: 0 auto; padding: 0 1.25rem 4rem; }
.wrap.wide { max-width: 1040px; }

/* ── Encabezado del artículo ── */
.post-head { padding: 3.2rem 0 1.4rem; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; color: var(--muted); font-size: .88rem; margin-bottom: 1rem; }
.pill { background: var(--accent-soft); color: #ff6b6b; font-weight: 700; font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; padding: .28rem .75rem; border-radius: 99px; }
h1 { font-size: clamp(1.9rem, 5.2vw, 2.8rem); line-height: 1.15; letter-spacing: -.03em; font-weight: 800; }
.lead { font-size: 1.18rem; color: #d4d4d8; margin: 1.1rem 0 1.2rem; }

/* ── Cuerpo ── */
article h2 { font-size: 1.55rem; letter-spacing: -.02em; line-height: 1.25; margin: 3rem 0 1rem; padding-top: 1.6rem; border-top: 1px solid var(--border); }
article h2:first-of-type { border-top: 0; }
article h3 { font-size: 1.12rem; margin: 1.8rem 0 .5rem; color: #fff; }
article p { margin-bottom: 1.1rem; color: #d9d9dd; }
article ul, article ol { margin: 0 0 1.2rem 1.3rem; } article li { margin: .45rem 0; color: #d9d9dd; }
article li::marker { color: var(--accent); }
strong { color: #fff; }

/* ── Datos clave ── */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin: 1.6rem 0; }
.stats div { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem .9rem; text-align: center; }
.stats b { display: block; font-size: 1.6rem; line-height: 1.2; letter-spacing: -.02em; color: #fff; }
.stats span { display: block; color: var(--muted); font-size: .8rem; line-height: 1.35; margin-top: .25rem; }

/* ── Índice ── */
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.4rem; margin: 1.6rem 0 .5rem; }
.toc strong { display: block; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: .4rem; }
.toc ol { margin: 0 0 0 1.1rem; } .toc li { margin: .25rem 0; font-size: .97rem; } .toc a { color: var(--text); text-decoration: none; } .toc a:hover { color: var(--accent); }

/* ── Tablas ── */
.tablewrap { overflow-x: auto; margin: 1.3rem 0 .6rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 480px; }
th, td { text-align: left; padding: .8rem 1rem; }
th { color: var(--muted); font-weight: 600; font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; background: var(--surface-2); }
tbody tr + tr td { border-top: 1px solid var(--border); }
td:first-child { color: #fff; font-weight: 600; }
.note { color: var(--muted); font-size: .85rem; line-height: 1.55; margin-bottom: 1.4rem; }

/* ── Preguntas frecuentes ── */
details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; margin: .6rem 0; transition: border-color .15s; }
details[open] { border-color: #3a3a40; }
summary { cursor: pointer; list-style: none; padding: 1rem 3rem 1rem 1.2rem; font-weight: 600; color: #fff; position: relative; line-height: 1.45; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 1.2rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--accent); }
details[open] summary::after { content: "–"; }
details p { padding: 0 1.2rem 1.1rem; margin: 0; }

/* ── Llamado a descargar ── */
.cta-card { background: linear-gradient(135deg, rgba(224,51,51,.22), rgba(224,51,51,.05) 60%), var(--surface); border: 1px solid rgba(224,51,51,.4); border-radius: 20px; padding: 1.6rem 1.5rem; margin: 1.8rem 0; text-align: center; }
.cta-card strong { display: block; font-size: 1.2rem; margin-bottom: .9rem; }
.cta { display: inline-block; background: var(--accent); color: #fff; font-weight: 700; text-decoration: none; padding: .85rem 1.7rem; border-radius: 99px; box-shadow: 0 8px 24px rgba(224,51,51,.35); transition: transform .15s, box-shadow .15s; }
.cta:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(224,51,51,.45); }

/* ── Fuentes ── */
ol.sources { margin: 0 0 1rem 1.2rem; font-size: .86rem; color: var(--muted); line-height: 1.6; } ol.sources li { margin: .55rem 0; color: var(--muted); }
.disclaimer { font-size: .88rem; color: var(--muted); background: var(--surface); border-left: 3px solid var(--accent); border-radius: 0 12px 12px 0; padding: .9rem 1.1rem; }

/* ── Índice del blog ── */
.blog-hero { padding: 3.4rem 0 1.6rem; } .blog-hero p { color: var(--muted); margin-top: .6rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.1rem; margin-top: 1.5rem; }
.post-card { display: flex; flex-direction: column; gap: .6rem; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 1.4rem; text-decoration: none; color: inherit; transition: transform .15s, border-color .15s; }
.post-card:hover { transform: translateY(-3px); border-color: rgba(224,51,51,.55); }
.post-card h3 { font-size: 1.15rem; line-height: 1.3; color: #fff; margin: 0; }
.post-card p { color: var(--muted); font-size: .93rem; line-height: 1.6; margin: 0; }
.post-card .more { color: var(--accent); font-weight: 600; font-size: .9rem; margin-top: auto; }

/* ── Pie ── */
footer { max-width: 740px; margin: 0 auto; padding: 2rem 1.25rem 3rem; border-top: 1px solid var(--border); text-align: center; color: var(--muted); font-size: .85rem; }
footer a { color: var(--muted); }

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .stats { grid-template-columns: 1fr; }
  .topbar nav a { padding: .35rem .55rem; font-size: .86rem; }
  .post-head { padding-top: 2.2rem; }
}