/* Kobra — blog. Se apoya en landing.css (tokens, cabecera, botones y pie). */

.blog-main { max-width: 1180px; margin: 0 auto; padding: 128px var(--margin) 40px; }
.blog-head h1 { font-size: var(--step-head); font-weight: 500; letter-spacing: -0.04em; line-height: 1.05; max-width: 18ch; }
.blog-head p { font-size: var(--step-lead); color: var(--muted); margin-top: 16px; max-width: 46ch; line-height: 1.35; }

.post-list { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gap); }
.post-card { display: flex; flex-direction: column; gap: 10px; height: 100%; padding: 28px; border-radius: var(--radius); background: var(--surface); color: inherit; text-decoration: none; transition: background-color var(--t-hover) ease; }
.post-card .kicker { font-size: var(--step-small); color: var(--muted); }
.post-card h2 { font-size: 1.5rem; font-weight: 500; letter-spacing: -0.025em; line-height: 1.2; margin: 0; }
.post-card p { color: var(--muted); margin: 0; }
.post-card .more { margin-top: auto; padding-top: 8px; font-weight: 500; }
@media (hover: hover) and (pointer: fine) { .post-card:hover { background: var(--surface-2); } }

/* ---------- artículo ---------- */
.post { max-width: 72ch; margin: 0 auto; padding: 128px var(--margin) 40px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; font-size: var(--step-small); color: var(--muted); margin-bottom: 20px; }
.crumbs a { color: inherit; }
.post h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); font-weight: 500; letter-spacing: -0.035em; line-height: 1.08; }
.post .meta { color: var(--muted); font-size: var(--step-small); margin-top: 14px; }
.post h2 { font-size: 1.625rem; font-weight: 500; letter-spacing: -0.025em; line-height: 1.2; margin: 52px 0 0; }
.post h3 { font-size: 1.1875rem; font-weight: 600; letter-spacing: -0.01em; margin: 32px 0 0; }
.post p, .post li { margin-top: 14px; }
.post ul, .post ol { padding-left: 1.25em; }
.post ul { list-style: disc; }
.post li + li { margin-top: 8px; }
.post a:not(.button) { color: inherit; text-decoration: underline; text-underline-offset: 0.2em; text-decoration-thickness: 0.07em; }
.post strong { font-weight: 600; }

.tldr { margin-top: 28px; padding: 20px 22px; border-radius: var(--radius); background: var(--pale); }
.tldr b { display: block; margin-bottom: 6px; }
.tldr ul { margin: 0; }
.tldr li { margin-top: 6px; }

.formula { margin-top: 16px; padding: 14px 18px; border-radius: var(--radius); background: var(--surface); font-variant-numeric: tabular-nums; }

.table-wrap { margin-top: 18px; overflow-x: auto; }
.post table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; font-variant-numeric: tabular-nums; }
.post th, .post td { padding: 10px 12px; text-align: right; border-bottom: 1px solid var(--surface-2); white-space: nowrap; }
.post th:first-child, .post td:first-child { text-align: left; }
.post thead th { font-weight: 600; color: var(--muted); font-size: var(--step-small); }

.msg { margin-top: 14px; padding: 14px 18px; border-radius: 14px 14px 14px 4px; background: #DCF8C6; color: #0B1311; max-width: 52ch; }
.aviso { margin-top: 28px; padding: 16px 18px; border-radius: var(--radius); background: var(--surface); color: var(--muted); font-size: 0.9375rem; }

.post-cta { margin-top: 56px; padding: 32px; border-radius: var(--radius); background: var(--deep); color: var(--deep-ink); }
.post-cta h2 { margin: 0; color: inherit; }
.post-cta p { color: var(--deep-muted); }
.post-cta .button { margin-top: 20px; }

.top nav .nav-cta { padding: 8px 14px; border-radius: var(--radius); background: var(--accent); color: var(--accent-ink); font-weight: 500; text-decoration: none; }
@media (hover: hover) and (pointer: fine) { .top nav .nav-cta:hover { background: var(--accent-strong); } }

/* ---------- calculadora dentro del artículo (reutiliza .card, .ctl y .seg del simulador de la landing) ---------- */
.calc { margin-top: 36px; border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.calc > p:first-child:not(.calc-title) { margin: 0; padding: 20px 22px; }
.calc-title { margin: 0; padding: 20px 22px 0; font-weight: 600; font-size: 1.125rem; letter-spacing: -0.01em; }
.calc-grid { padding: 14px 22px 4px; }
.calc .card p { margin-top: 0; }
.calc .card .card-note { margin-top: 12px; }
.calc-controls { margin-top: 12px; }
.calc-controls .seg { background: var(--surface-2); }
.calc input[type="range"]::-webkit-slider-runnable-track { background: var(--surface-2); }
.calc input[type="range"]::-moz-range-track { background: var(--surface-2); }
.calc input[type="range"]::-webkit-slider-thumb { border-color: var(--surface); }
.calc-cta { margin-top: 10px; padding: 20px 22px 22px; background: var(--deep); color: var(--deep-ink); }
.calc-cta p { margin: 0; color: var(--deep-muted); }
.calc-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 16px; }
.calc-actions .link { color: var(--deep-ink); font-size: var(--step-small); }
.calc-small { margin-top: 10px !important; font-size: var(--step-small); }

/* ---------- llamada a mitad de artículo ---------- */
.cta-mid { margin-top: 36px; padding: 20px 22px; border-radius: var(--radius); background: var(--pale); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; }
.cta-mid p { margin: 0; max-width: 40ch; }
.cta-mid .button { min-height: 46px; }

/* ---------- barra fija en el móvil ---------- */
.cta-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: var(--deep); color: var(--deep-ink); font-size: 0.875rem; line-height: 1.3;
  transform: translateY(110%); transition: transform 260ms var(--ease-out);
}
.cta-bar.on { transform: none; }
.cta-bar .button { min-height: 42px; flex: none; font-size: 0.9375rem; }
@media (prefers-reduced-motion: reduce) { .cta-bar { transition: none; } }

.related { margin-top: 56px; }
.related h2 { font-size: 1.25rem; margin: 0; }
.related ul { list-style: none; padding: 0; }
.related li { margin-top: 10px; }

@media (max-width: 760px) {
  .blog-main, .post { padding-top: 104px; }
  .post-list { grid-template-columns: 1fr; }
  .post-card { padding: 22px; }
  .post-cta { padding: 24px; }
  .top nav .hide-m { display: none; }
}