/* ===========================================================================
   PerimetroX — resources.css
   EXTENSIÓN de assets/styles.css (cárgalo ANTES). Reutiliza tokens (:root),
   .seo-hero/.seo-layout/.seo-article/.seo-block/.seo-aside/.seo-card,
   .glass, .card-hover, .icon-badge, .resource-grid/.resource-card.
   Aquí viven: breadcrumbs, tabla de contenido lateral (recursos) y la
   cuadrícula del hub de recursos.
   ========================================================================== */

/* ---------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.seo-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
}
.seo-crumbs a { color: var(--text-muted); }
.seo-crumbs a:hover { color: var(--brand); }
.seo-crumbs span[aria-hidden] { opacity: 0.5; }
.seo-crumbs [aria-current="page"] { color: var(--text); }

/* ---------------------------------------------------------------------------
   Tabla de contenido lateral (sidebar TOC), dentro de .seo-aside
   -------------------------------------------------------------------------- */
.seo-toc {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel-solid);
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.seo-toc-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.seo-toc a {
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.seo-toc a:hover { background: var(--panel-2); color: var(--text); }
.seo-toc a.is-active { background: rgba(4, 154, 237, 0.1); color: var(--brand-dark); font-weight: 600; }

/* ---------------------------------------------------------------------------
   Hub de recursos (recursos.html) — reutiliza .resource-grid/.resource-card
   de styles.css (ya es un grid de 3 columnas); solo se añade una variante
   destacada para la tarjeta de "Seguridad y confidencialidad".
   -------------------------------------------------------------------------- */
.resource-card.featured { border: 1px solid var(--line-strong); }

/* ---------------------------------------------------------------------------
   FAQ (preguntas-frecuentes.html) — acordeón <details> nativo, mismo patrón
   que .layer-card/.layer-list de marketing.css, pero sin icon-badge (32
   preguntas no admiten un ícono distinto cada una) y con soporte para
   respuestas con varios párrafos y listas.
   -------------------------------------------------------------------------- */
.faq-list { display: grid; gap: 12px; margin-top: 18px; }
.faq-card {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel-solid);
}
.faq-card summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.4;
}
.faq-card summary::-webkit-details-marker { display: none; }
.faq-num {
  flex-shrink: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--brand-dark);
  background: rgba(4, 154, 237, 0.1);
  border-radius: 6px;
  padding: 3px 7px;
}
.faq-card summary::after {
  content: "";
  width: 9px; height: 9px;
  margin-left: auto;
  flex-shrink: 0;
  border-right: 2px solid var(--text-dim);
  border-bottom: 2px solid var(--text-dim);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}
.faq-card[open] summary::after { transform: rotate(225deg); }
.faq-answer { margin: 0 18px 20px 46px; color: var(--text-muted); font-size: 0.92rem; line-height: 1.6; }
.faq-answer p { margin: 0 0 10px; }
.faq-answer p:last-child { margin-bottom: 0; }
.faq-answer ul { margin: 8px 0 14px; padding-left: 0; list-style: none; display: grid; gap: 6px; }
.faq-answer li { position: relative; padding-left: 18px; }
.faq-answer li::before {
  content: "";
  position: absolute; left: 0; top: 0.6em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand);
}
@media (max-width: 640px) {
  .faq-answer { margin-left: 18px; }
}

/* Categoría dentro de la FAQ: reutiliza .seo-block como envoltorio (h2 +
   .faq-list en vez de <p>/<ul>) para heredar el mismo ritmo vertical que el
   resto de las páginas de recursos. */
.faq-category-intro { margin: 0 0 4px; color: var(--text-muted); }