/* =============================================
   BLOG — estilos específicos
   ============================================= */

/* Nav activo en blog */
.nav-active {
  color: var(--white) !important;
  border-bottom: 2px solid var(--red);
  padding-bottom: 2px;
}

/* =============================================
   BLOG HERO
   ============================================= */
.blog-hero {
  position: relative;
  background: var(--navy);
  padding: 160px 0 80px;
  overflow: hidden;
}

.blog-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 90% 50%, rgba(196,30,58,0.07) 0%, transparent 70%),
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: auto, 60px 60px, 60px 60px;
}

.blog-hero-content {
  position: relative;
  z-index: 2;
}

.blog-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  margin: 16px 0 24px;
}

.blog-hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.55);
  font-style: italic;
  font-family: var(--font-serif);
  max-width: 600px;
  line-height: 1.6;
}

/* =============================================
   FILTROS
   ============================================= */
.blog-filters-bar {
  background: var(--white);
  border-bottom: 1px solid #dde3ed;
  position: sticky;
  top: 72px;
  z-index: 50;
}

.filters {
  display: flex;
  gap: 4px;
  padding: 16px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.filters::-webkit-scrollbar { display: none; }

.filter-btn {
  flex-shrink: 0;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: var(--radius);
  border: 1px solid #dde3ed;
  background: transparent;
  color: var(--text-body);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.filter-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* =============================================
   BLOG SECTION
   ============================================= */
.blog-section {
  padding: 80px 0 100px;
  background: var(--white);
}

/* =============================================
   ARTÍCULO DESTACADO
   ============================================= */
.post-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid #dde3ed;
}

.post-featured-image {
  border-radius: var(--radius);
  overflow: hidden;
}

.post-image-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius);
  position: relative;
}

.post-image-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 70% 40%, rgba(196,30,58,0.2) 0%, transparent 60%),
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
  border-radius: var(--radius);
}

.post-featured-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
  margin: 16px 0 20px;
}

.post-featured-title a {
  color: inherit;
  transition: color var(--transition);
}
.post-featured-title a:hover { color: var(--red); }

/* =============================================
   META (categoría + fecha)
   ============================================= */
.post-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.post-category {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--white);
  background: var(--red);
  padding: 4px 10px;
  border-radius: 2px;
}

.post-date {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

/* =============================================
   EXCERPT & READ MORE
   ============================================= */
.post-excerpt {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 28px;
}

.post-read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--red);
  transition: gap var(--transition);
}
.post-read-more:hover { gap: 14px; }
.post-read-more .arrow { transition: transform var(--transition); }
.post-read-more:hover .arrow { transform: translateX(4px); }

/* =============================================
   GRID DE ARTÍCULOS
   ============================================= */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 64px;
}

.post-card {
  display: flex;
  flex-direction: column;
  border: 1px solid #dde3ed;
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(11,31,58,0.1);
  border-color: transparent;
}

.post-card-image .post-image-placeholder {
  aspect-ratio: 16/9;
  border-radius: 0;
}

.post-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-card-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--navy);
  margin: 14px 0 14px;
  flex: 1;
}

.post-card-title a {
  color: inherit;
  transition: color var(--transition);
}
.post-card-title a:hover { color: var(--red); }

.post-card-body .post-excerpt {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* =============================================
   PAGINACIÓN
   ============================================= */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.page-btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid #dde3ed;
  background: transparent;
  color: var(--text-body);
  cursor: pointer;
  transition: all var(--transition);
}

.page-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.page-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.page-next {
  margin-left: 8px;
  color: var(--red);
  border-color: var(--red);
}
.page-next:hover {
  background: var(--red);
  color: var(--white) !important;
}

/* =============================================
   ARTÍCULOS OCULTOS (filtros)
   ============================================= */
.post-card.hidden,
.post-featured.hidden {
  display: none;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .post-featured {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .blog-hero { padding: 130px 0 60px; }

  .posts-grid {
    grid-template-columns: 1fr;
  }

  .blog-filters-bar { top: 64px; }
}