/* Blog: misma paleta que la portada (fondo #EEF1F5, piezas #B8C5D4, contorno #2B3440, acento #F26B1D). */
:root {
  --bg: #EEF1F5;
  --panel: #FFFFFF;
  --line: #D5DCE4;
  --ink: #2B3440;
  --muted: #6B7686;
  --part: #B8C5D4;
  --accent: #F26B1D;
  --accent-dark: #C24E0B;
  --night: #1B222C;
  font-family: Inter, 'Segoe UI', system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); line-height: 1.6; }
a { color: inherit; }
.wrap { width: min(1160px, 100% - 32px); margin: 0 auto; }

.logo { font-weight: 800; font-size: 22px; letter-spacing: .4px; text-decoration: none; color: var(--ink); }
.logo span { color: var(--accent); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 9px 16px; border-radius: 10px;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 14px; text-decoration: none; border: 1px solid var(--accent);
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn.big { padding: 13px 22px; font-size: 16px; border-radius: 12px; }

/* cabecera y pie */
.top { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, .9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 28px; height: 64px; }
.links { display: flex; gap: 22px; }
.links a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 14px; }
.links a:hover { color: var(--ink); }
.acts { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.langs { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.langs a { padding: 5px 9px; font-size: 12px; font-weight: 700; color: var(--muted); text-decoration: none; }
.langs a.on { background: var(--ink); color: #fff; }
.foot { padding: 26px 0; border-top: 1px solid var(--line); margin-top: 64px; }
.foot .wrap { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.foot .logo { font-size: 18px; }
.foot .links { gap: 18px; flex-wrap: wrap; }

/* artículo */
.post { max-width: 760px; padding-top: 28px; }
.crumbs { font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--muted); }
h1 { font-size: clamp(30px, 5vw, 42px); line-height: 1.15; margin: 14px 0 8px; letter-spacing: -.5px; }
.meta, .lead { color: var(--muted); }
.lead { font-size: 18px; }
article h2 { font-size: 26px; line-height: 1.25; margin: 40px 0 10px; }
article h3 { font-size: 20px; margin: 28px 0 8px; }
article p, article li { font-size: 17px; }
article a { color: var(--accent-dark); }
article code { background: var(--panel); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; font-size: .92em; }
article figure { margin: 26px 0; }
article figure img { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); }
article figcaption { color: var(--muted); font-size: 14px; margin-top: 6px; }
.table { overflow-x: auto; margin: 18px 0; }
article table { border-collapse: collapse; width: 100%; background: var(--panel); border-radius: 10px; overflow: hidden; font-size: 15px; }
article th, article td { padding: 8px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
article th { background: var(--ink); color: #fff; font-weight: 700; }
article tr:last-child td { border-bottom: 0; }
.note { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; padding: 12px 16px; margin: 20px 0; }
.note p { margin: 6px 0; }
.sources { font-size: 15px; color: var(--muted); }

/* calculadora (artículo de trail) */
.calc { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin: 24px 0; }
.calc .fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.calc label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; font-weight: 600; }
.calc input, .calc select { font: inherit; font-weight: 400; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); }
.calc output { display: block; margin-top: 14px; font-size: 18px; }
.calc output strong { color: var(--accent-dark); }

/* llamada final, relacionados e índice */
.cta { background: var(--night); color: #fff; border-radius: 16px; padding: 26px; margin: 48px 0 0; }
.cta h2 { margin: 0 0 8px; font-size: 24px; }
.cta p { color: #C9D1DB; margin: 0 0 18px; }
.related h2 { font-size: 20px; margin: 36px 0 8px; }
.related ul { padding-left: 20px; }
.related li { margin: 6px 0; }
.related a { color: var(--accent-dark); }
.cards { list-style: none; padding: 0; display: grid; gap: 14px; margin-top: 24px; }
.cards a { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; text-decoration: none; }
.cards a:hover { border-color: var(--accent); }
.cards h2 { font-size: 20px; margin: 0 0 6px; }
.cards p { margin: 0; color: var(--muted); }

@media (max-width: 640px) {
  .bar { gap: 14px; }
  .acts .btn { display: none; }
  article p, article li { font-size: 16px; }
}