/* ==========================================================================
   Vectra IA Lab — Centro de Recursos (índice y artículos)
   ========================================================================== */

/* ---------- Grid de guías ---------- */
.recursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--sp-3);
}
.recurso-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-borde);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--t-media), transform var(--t-media), border-color var(--t-media);
  height: 100%;
}
.recurso-card:hover {
  box-shadow: var(--sombra-hover);
  transform: translateY(-4px);
  border-color: var(--color-azul);
}
/* Cabecera gráfica de la tarjeta (ilustración por categoría) */
.recurso-card__fig {
  position: relative;
  aspect-ratio: 16 / 7;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #022A55, #023a74);
  overflow: hidden;
}
.recurso-card__fig::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.08) 1.2px, transparent 1.2px);
  background-size: 20px 20px;
  opacity: 0.6;
}
.recurso-card__fig svg { position: relative; width: 56px; height: 56px; color: #fff; }
.recurso-card__body { padding: var(--sp-3); display: flex; flex-direction: column; flex: 1; }
.recurso-card__cat {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-azul);
  margin-bottom: 0.5rem;
}
.recurso-card h3 { font-size: 1.15rem; margin: 0 0 0.5rem; }
.recurso-card p { font-size: var(--fs-small); margin: 0 0 var(--sp-2); flex: 1; }
.recurso-card__mas {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-azul-oscuro);
}
.recurso-card:hover .recurso-card__mas { color: var(--color-azul); }
.recurso-card__mas::after { content: "›"; font-size: 1.3em; line-height: 1; transition: transform var(--t-rapida); }
.recurso-card:hover .recurso-card__mas::after { transform: translateX(4px); }

/* Acento por categoría en la cabecera */
.recurso-card[data-cat="1"] .recurso-card__fig { background: linear-gradient(135deg, #022A55, #1E97CE); }
.recurso-card[data-cat="2"] .recurso-card__fig { background: linear-gradient(135deg, #022244, #187aa8); }
.recurso-card[data-cat="3"] .recurso-card__fig { background: linear-gradient(135deg, #022A55, #0a4f87); }
.recurso-card[data-cat="4"] .recurso-card__fig { background: linear-gradient(135deg, #01305f, #1E97CE); }
.recurso-card[data-cat="5"] .recurso-card__fig { background: linear-gradient(135deg, #022244, #298CC7); }
.recurso-card[data-cat="6"] .recurso-card__fig { background: linear-gradient(135deg, #022A55, #023a74); }

/* ---------- Categorías (listado) ---------- */
.categorias {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-3);
}
.categoria {
  background: #fff;
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: var(--sp-3);
}
.categoria .tarjeta-icono { margin-bottom: var(--sp-2); }
.categoria h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.categoria p { font-size: var(--fs-small); margin: 0; }

/* ---------- Estado "en construcción" ---------- */
.aviso-biblioteca {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
  background: var(--color-azul-palido);
  border-left: 4px solid var(--color-azul);
  border-radius: var(--radio);
  padding: var(--sp-3);
}
.aviso-biblioteca svg { width: 28px; height: 28px; color: var(--color-azul); flex-shrink: 0; }

/* ==========================================================================
   Artículo de guía (página individual)
   ========================================================================== */
.articulo {
  max-width: 760px;
  margin-inline: auto;
}
.articulo__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  align-items: center;
  font-size: var(--fs-small);
  color: var(--color-texto);
  margin-bottom: var(--sp-3);
}
.articulo__cat {
  font-weight: 700;
  color: var(--color-azul);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}
.articulo h2 { margin-top: var(--sp-6); }
.articulo h3 { margin-top: var(--sp-4); color: var(--color-azul-oscuro); }
.articulo p, .articulo li { font-size: 1.05rem; }
.articulo ul, .articulo ol { margin-top: var(--sp-2); }
.articulo li + li { margin-top: 0.5rem; }
.articulo strong { color: var(--color-azul-oscuro); }

/* Objetivo / público (ficha) */
.ficha {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-2);
  margin: var(--sp-3) 0;
}
.ficha__item {
  background: var(--color-azul-palido);
  border-radius: var(--radio);
  padding: var(--sp-2) var(--sp-3);
}
.ficha__item strong { display: block; color: var(--color-azul-oscuro); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.2rem; }
.ficha__item span { font-size: 0.95rem; }

/* Tabla dentro de artículos */
.articulo table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--sp-3) 0;
  font-size: 0.95rem;
}
.articulo table th, .articulo table td {
  border: 1px solid var(--color-borde);
  padding: 0.6rem 0.75rem;
  text-align: left;
  vertical-align: top;
}
.articulo table thead th { background: var(--color-azul-oscuro); color: #fff; }
.articulo table tbody tr:nth-child(even) { background: var(--color-azul-palido); }

/* Callouts: advertencia / nota */
.callout {
  display: flex;
  gap: var(--sp-2);
  padding: var(--sp-3);
  border-radius: var(--radio);
  margin: var(--sp-3) 0;
}
.callout svg { width: 24px; height: 24px; flex-shrink: 0; }
.callout p { margin: 0; }
.callout--aviso { background: #fff6e8; border-left: 4px solid var(--color-advertencia); }
.callout--aviso svg { color: var(--color-advertencia); }
.callout--nota { background: var(--color-azul-palido); border-left: 4px solid var(--color-azul); }
.callout--nota svg { color: var(--color-azul); }

/* Checklist */
.checklist {
  list-style: none;
  padding: 0;
  margin: var(--sp-3) 0;
  background: #fff;
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: var(--sp-3);
}
.checklist li {
  position: relative;
  padding-left: 2rem;
  margin: 0 0 0.6rem;
}
.checklist li::before {
  content: "";
  position: absolute; left: 0; top: 0.1rem;
  width: 20px; height: 20px;
  border: 2px solid var(--color-azul);
  border-radius: 5px;
  background: #fff;
}

/* CTA contextual de artículo */
.articulo-cta {
  background: linear-gradient(135deg, var(--color-azul-oscuro), #023a74);
  color: #fff;
  border-radius: 16px;
  padding: clamp(var(--sp-4), 5vw, var(--sp-6));
  text-align: center;
  margin-top: var(--sp-6);
}
.articulo-cta h2 { color: #fff; margin: 0 0 var(--sp-2); }
.articulo-cta p { margin: 0 auto var(--sp-3); color: rgba(255,255,255,0.9); max-width: 52ch; }

/* Navegación entre guías relacionadas */
.relacionadas { margin-top: var(--sp-6); }
.relacionadas h2 { margin-bottom: var(--sp-3); }