/**
 * Blog Homepage — CSS para sección "Insights & Recursos"
 * Layouts condicionales: featured (1 post), 2col (2 posts), carousel (3+)
 */

/* ==========================================
   SECCIÓN GENERAL
   ========================================== */

.blog-insights-section {
  padding: 4rem 1rem;
  background: var(--section-bg-dark, #070707);
  border-top: 1px solid var(--color-border, rgba(255, 255, 255, 0.1));
}

.blog-insights-container {
  max-width: 1200px;
  margin: 0 auto;
}

.blog-insights-header {
  text-align: center;
  margin-bottom: 3rem;
}

.blog-insights-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-heading, #ffffff);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.blog-insights-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary, #a0a0a0);
  font-weight: 400;
  line-height: 1.5;
}

/* ==========================================
   FEATURED LAYOUT (1 POST)
   ========================================== */

.blog-featured-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--bg-secondary, #121212);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
  border-radius: 12px;
  overflow: hidden;
}

.blog-featured-image {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 12px 0 0 12px;
}

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

.blog-featured-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.blog-featured-category {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #3b82f6;
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-featured-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-heading, #ffffff);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.blog-featured-excerpt {
  font-size: 1rem;
  color: var(--color-text-secondary, #a0a0a0);
  line-height: 1.6;
  margin: 0;
}

.blog-featured-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-tertiary, #707070);
}

.blog-featured-author,
.blog-featured-reading-time {
  font-weight: 500;
}

.blog-featured-separator {
  color: var(--color-text-tertiary, #707070);
}

.blog-featured-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  width: fit-content;
  border: none;
}

.blog-featured-cta:hover {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  transform: translateX(4px);
}

/* ==========================================
   GRID 2 COLUMNAS (2 POSTS)
   ========================================== */

.blog-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary, #121212);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  height: 100%;
}

.blog-card:hover {
  border-color: rgba(59, 130, 246, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(59, 130, 246, 0.1);
}

.blog-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-grow: 1;
}

.blog-card-category {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #3b82f6;
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-heading, #ffffff);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0;
}

.blog-card-excerpt {
  font-size: 0.95rem;
  color: var(--color-text-secondary, #a0a0a0);
  line-height: 1.5;
  margin: 0;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-tertiary, #707070);
  margin-top: auto;
}

.blog-card-author,
.blog-card-reading-time {
  font-weight: 500;
}

.blog-card-separator {
  color: var(--color-text-tertiary, #707070);
}

/* ==========================================
   RESPONSIVE — TABLET
   ========================================== */

@media (max-width: 900px) {
  .blog-insights-title {
    font-size: 2rem;
  }

  .blog-featured-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .blog-featured-image {
    aspect-ratio: 16 / 9;
    border-radius: 12px;
  }

  .blog-featured-content {
    padding: 2rem;
  }

  .blog-featured-title {
    font-size: 1.5rem;
  }

  .blog-grid-2col {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   RESPONSIVE — MOBILE
   ========================================== */

@media (max-width: 640px) {
  .blog-insights-section {
    padding: 2.5rem 1rem;
  }

  .blog-insights-header {
    margin-bottom: 2rem;
  }

  .blog-insights-title {
    font-size: 1.5rem;
  }

  .blog-insights-subtitle {
    font-size: 1rem;
  }

  .blog-featured-layout {
    gap: 1.5rem;
  }

  .blog-featured-image {
    aspect-ratio: 16 / 9;
  }

  .blog-featured-content {
    padding: 1.5rem;
    gap: 1rem;
  }

  .blog-featured-title {
    font-size: 1.25rem;
  }

  .blog-featured-excerpt {
    font-size: 0.95rem;
  }

  .blog-card-title {
    font-size: 1.1rem;
  }

  .blog-grid-2col {
    gap: 1.5rem;
  }
}

/* ==========================================
   DARK/LIGHT MODE OVERRIDES
   ========================================== */

html.light-mode .blog-insights-section {
  background: var(--color-body, #d6e5f5);
  border-top-color: rgba(0, 0, 0, 0.1);
}

html.light-mode .blog-featured-layout,
html.light-mode .blog-card {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--color-border, #cbd5e1);
}