/**
 * Tierra de Gracia | Estilos de Blog Editorial "Cuaderno Criollo" (blog.html)
 */

.blog-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

/* ==========================================================================
   TABLA DE CONTENIDOS STICKY (BLOG TOC)
   ========================================================================== */
.blog-sidebar {
  position: relative;
}

.blog-toc {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.blog-toc__title {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--color-primary-light);
  padding-bottom: 0.5rem;
}

.blog-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.blog-toc__link {
  text-decoration: none;
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.blog-toc__link strong {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.35;
  transition: color var(--transition-fast);
}

.blog-toc__link span {
  margin-top: 0.2rem;
}

.blog-toc__link:hover {
  background-color: var(--color-surface-hover);
  border-left-color: var(--color-primary);
}

.blog-toc__link:hover strong {
  color: var(--color-primary);
}

.blog-toc__cta {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
}

/* ==========================================================================
   ARTÍCULOS EDITORIALES
   ========================================================================== */
.blog-articles {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.blog-post {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
  scroll-margin-top: calc(var(--header-height) + 2rem);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.blog-post:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

.blog-post__header {
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 1.5rem;
}

.blog-post__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.blog-post__title {
  font-size: var(--font-size-2xl);
  line-height: 1.2;
  color: var(--color-text);
  margin: 0;
}

.blog-post__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 1.75rem 0 2rem;
  max-height: 440px;
  border: 1px solid var(--color-border);
}

.blog-post__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 1024px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }
  .blog-toc {
    position: static;
    margin-bottom: 2rem;
  }
  .blog-post {
    padding: 2rem 1.5rem;
  }
}