/* ========================================
   BLOG ECOSISTIA ENHANCED STYLES
   Diseño Moderno y Atractivo v2.0
   ======================================== */

/* ========================================
   HERO DEL BLOG MEJORADO - PALETA AZUL
   ======================================== */
.blog-hero {
  background: var(--eco-texture-primary);
  padding: var(--eco-space-24) 0 var(--eco-space-16);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(55, 48, 163, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(29, 78, 216, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(30, 41, 59, 0.1) 0%, transparent 70%);
  z-index: 1;
}

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

.blog-hero-content {
  text-align: center;
  max-width: var(--eco-container-4xl);
  margin: 0 auto;
}

.blog-hero h1 {
  font-size: var(--eco-text-5xl);
  font-weight: var(--eco-weight-extrabold);
  color: var(--eco-white);
  margin-bottom: var(--eco-space-6);
  background: linear-gradient(135deg, #FFFFFF 0%, #F1F5F9 50%, #CBD5E1 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.blog-hero p {
  font-size: var(--eco-text-xl);
  color: var(--eco-gray-300);
  margin-bottom: var(--eco-space-8);
  line-height: var(--eco-leading-relaxed);
}

/* ========================================
   GRID DE ARTÍCULOS MEJORADO
   ======================================== */
.blog-main {
  padding: var(--eco-space-20) 0;
  background: var(--eco-texture-surface);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: var(--eco-space-10);
  margin-bottom: var(--eco-space-16);
}

.blog-card {
  background: var(--eco-white);
  border-radius: var(--eco-radius-3xl);
  overflow: hidden;
  box-shadow: var(--eco-shadow-lg);
  transition: all var(--eco-transition-base);
  position: relative;
  border: 1px solid var(--eco-gray-100);
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--eco-gradient-primary);
  transform: scaleX(0);
  transition: transform var(--eco-transition-base);
  transform-origin: left;
}

.blog-card:hover::before {
  transform: scaleX(1);
}

.blog-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--eco-shadow-2xl);
  border-color: var(--eco-gray-200);
}

.blog-card-image {
  width: 100%;
  height: 220px;
  background: var(--eco-gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.blog-card-image::before {
  content: '📖';
  font-size: 3rem;
  opacity: 0.3;
}

.blog-card-content {
  padding: var(--eco-space-8);
}

.blog-card-category {
  display: inline-block;
  background: linear-gradient(135deg, var(--eco-indigo) 0%, var(--eco-blue) 100%);
  color: var(--eco-white);
  padding: var(--eco-space-1-5) var(--eco-space-4);
  border-radius: var(--eco-radius-full);
  font-size: var(--eco-text-xs);
  font-weight: var(--eco-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--eco-tracking-wide);
  margin-bottom: var(--eco-space-4);
}

.blog-card h3 {
  font-size: var(--eco-text-xl);
  font-weight: var(--eco-weight-bold);
  color: var(--eco-deep-blue);
  margin-bottom: var(--eco-space-3);
  line-height: var(--eco-leading-snug);
}

.blog-card p {
  color: var(--eco-gray-600);
  font-size: var(--eco-text-base);
  line-height: var(--eco-leading-relaxed);
  margin-bottom: var(--eco-space-6);
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--eco-text-sm);
  color: var(--eco-gray-500);
  margin-bottom: var(--eco-space-6);
}

.blog-card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--eco-space-2);
  color: var(--eco-indigo);
  font-weight: var(--eco-weight-semibold);
  text-decoration: none;
  font-size: var(--eco-text-sm);
  text-transform: uppercase;
  letter-spacing: var(--eco-tracking-wide);
  transition: all var(--eco-transition-base);
}

.blog-card-cta:hover {
  color: var(--eco-blue);
  transform: translateX(4px);
}

.blog-card-cta::after {
  content: '→';
  transition: transform var(--eco-transition-base);
}

.blog-card-cta:hover::after {
  transform: translateX(4px);
}

/* ========================================
   ARTÍCULO INDIVIDUAL MEJORADO
   ======================================== */
.article-header {
  background: var(--eco-texture-primary);
  padding: var(--eco-space-20) 0 var(--eco-space-12);
  position: relative;
}

.article-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 40%, rgba(55, 48, 163, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(29, 78, 216, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 90% 10%, rgba(15, 23, 42, 0.2) 0%, transparent 60%);
  z-index: 1;
}

.article-header .container {
  position: relative;
  z-index: 2;
  max-width: var(--eco-container-4xl);
}

.article-meta {
  display: flex;
  gap: var(--eco-space-4);
  align-items: center;
  margin-bottom: var(--eco-space-6);
  flex-wrap: wrap;
}

.article-category {
  background: linear-gradient(135deg, var(--eco-indigo) 0%, var(--eco-blue) 100%);
  color: var(--eco-white);
  padding: var(--eco-space-2) var(--eco-space-4);
  border-radius: var(--eco-radius-full);
  font-size: var(--eco-text-xs);
  font-weight: var(--eco-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--eco-tracking-wide);
  box-shadow: var(--eco-shadow-md), 0 4px 15px rgba(55, 48, 163, 0.3);
}

.article-date {
  color: var(--eco-gray-300);
  font-size: var(--eco-text-sm);
  font-weight: var(--eco-weight-medium);
}

.article-title {
  font-size: var(--eco-text-4xl);
  font-weight: var(--eco-weight-extrabold);
  color: var(--eco-white);
  line-height: var(--eco-leading-tight);
  margin-bottom: var(--eco-space-6);
}

.article-excerpt {
  font-size: var(--eco-text-xl);
  color: var(--eco-gray-300);
  line-height: var(--eco-leading-relaxed);
  margin-bottom: var(--eco-space-8);
}

.article-stats {
  display: flex;
  gap: var(--eco-space-6);
  color: var(--eco-gray-400);
  font-size: var(--eco-text-sm);
}

.article-content {
  max-width: var(--eco-container-3xl);
  margin: 0 auto;
  padding: var(--eco-space-16) var(--eco-space-6);
}

.article-content h2 {
  font-size: var(--eco-text-3xl);
  font-weight: var(--eco-weight-bold);
  color: var(--eco-deep-blue);
  margin: var(--eco-space-12) 0 var(--eco-space-6);
  position: relative;
  padding-left: var(--eco-space-6);
}

.article-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--eco-gradient-primary);
  border-radius: var(--eco-radius-full);
}

.article-content h3 {
  font-size: var(--eco-text-2xl);
  font-weight: var(--eco-weight-semibold);
  color: var(--eco-gray-800);
  margin: var(--eco-space-10) 0 var(--eco-space-4);
}

.article-content p {
  font-size: var(--eco-text-lg);
  line-height: var(--eco-leading-relaxed);
  color: var(--eco-gray-700);
  margin-bottom: var(--eco-space-6);
}

.article-content ul, 
.article-content ol {
  margin: var(--eco-space-6) 0;
  padding-left: var(--eco-space-8);
}

.article-content li {
  font-size: var(--eco-text-lg);
  line-height: var(--eco-leading-relaxed);
  color: var(--eco-gray-700);
  margin-bottom: var(--eco-space-2);
}

.article-content blockquote {
  background: var(--eco-gray-50);
  border-left: 4px solid var(--eco-gradient-primary);
  padding: var(--eco-space-6) var(--eco-space-8);
  margin: var(--eco-space-8) 0;
  border-radius: var(--eco-radius-lg);
  font-style: italic;
  font-size: var(--eco-text-lg);
  color: var(--eco-gray-600);
}

/* ========================================
   SIDEBAR MEJORADO
   ======================================== */
.blog-sidebar {
  background: var(--eco-white);
  border-radius: var(--eco-radius-3xl);
  padding: var(--eco-space-8);
  box-shadow: var(--eco-shadow-lg);
  border: 1px solid var(--eco-gray-100);
  position: sticky;
  top: calc(var(--eco-space-20) + 80px);
}

.sidebar-section {
  margin-bottom: var(--eco-space-8);
}

.sidebar-section:last-child {
  margin-bottom: 0;
}

.sidebar-title {
  font-size: var(--eco-text-xl);
  font-weight: var(--eco-weight-bold);
  color: var(--eco-deep-blue);
  margin-bottom: var(--eco-space-4);
  padding-bottom: var(--eco-space-3);
  border-bottom: 2px solid var(--eco-gray-100);
}

.recent-posts {
  list-style: none;
}

.recent-posts li {
  margin-bottom: var(--eco-space-4);
  padding-bottom: var(--eco-space-4);
  border-bottom: 1px solid var(--eco-gray-100);
}

.recent-posts li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.recent-posts a {
  color: var(--eco-gray-700);
  text-decoration: none;
  font-weight: var(--eco-weight-medium);
  line-height: var(--eco-leading-snug);
  transition: color var(--eco-transition-base);
}

.recent-posts a:hover {
  color: var(--eco-indigo);
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--eco-space-2);
}

.tag {
  background: var(--eco-gray-100);
  color: var(--eco-gray-700);
  padding: var(--eco-space-1-5) var(--eco-space-3);
  border-radius: var(--eco-radius-full);
  font-size: var(--eco-text-xs);
  font-weight: var(--eco-weight-medium);
  text-decoration: none;
  transition: all var(--eco-transition-base);
}

.tag:hover {
  background: linear-gradient(135deg, var(--eco-indigo) 0%, var(--eco-blue) 100%);
  color: var(--eco-white);
  transform: translateY(-1px);
  box-shadow: var(--eco-shadow-md), 0 4px 10px rgba(55, 48, 163, 0.2);
}

/* ========================================
   NAVEGACIÓN DEL BLOG
   ======================================== */
.blog-nav {
  background: var(--eco-white);
  border-bottom: 1px solid var(--eco-gray-200);
  padding: var(--eco-space-4) 0;
  position: sticky;
  top: 80px;
  z-index: 100;
}

.blog-nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--eco-space-2);
  font-size: var(--eco-text-sm);
  color: var(--eco-gray-500);
}

.blog-breadcrumb a {
  color: var(--eco-gray-500);
  text-decoration: none;
  transition: color var(--eco-transition-base);
}

.blog-breadcrumb a:hover {
  color: var(--eco-indigo);
}

.blog-search {
  position: relative;
  width: 300px;
}

.blog-search input {
  width: 100%;
  padding: var(--eco-space-3) var(--eco-space-4) var(--eco-space-3) var(--eco-space-12);
  border: 2px solid var(--eco-gray-200);
  border-radius: var(--eco-radius-full);
  font-size: var(--eco-text-sm);
  background: var(--eco-gray-50);
  transition: all var(--eco-transition-base);
}

.blog-search input:focus {
  outline: none;
  border-color: var(--eco-indigo);
  background: var(--eco-white);
  box-shadow: 0 0 0 4px rgba(55, 48, 163, 0.1);
}

.blog-search::before {
  content: '🔍';
  position: absolute;
  left: var(--eco-space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--eco-gray-400);
}

/* ========================================
   PAGINACIÓN MEJORADA
   ======================================== */
.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--eco-space-2);
  margin-top: var(--eco-space-16);
}

.pagination-btn {
  padding: var(--eco-space-3) var(--eco-space-4);
  border: 2px solid var(--eco-gray-200);
  background: var(--eco-white);
  color: var(--eco-gray-700);
  text-decoration: none;
  border-radius: var(--eco-radius-lg);
  font-weight: var(--eco-weight-medium);
  transition: all var(--eco-transition-base);
}

.pagination-btn:hover,
.pagination-btn.active {
  background: linear-gradient(135deg, var(--eco-indigo) 0%, var(--eco-blue) 100%);
  color: var(--eco-white);
  border-color: var(--eco-indigo);
  transform: translateY(-1px);
  box-shadow: var(--eco-shadow-md), 0 4px 10px rgba(55, 48, 163, 0.2);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: var(--eco-space-8);
  }
  
  .blog-sidebar {
    margin-top: var(--eco-space-12);
    position: static;
  }
}

@media (max-width: 768px) {
  .blog-hero h1 {
    font-size: var(--eco-text-3xl);
  }
  
  .blog-hero p {
    font-size: var(--eco-text-lg);
  }
  
  .article-title {
    font-size: var(--eco-text-3xl);
  }
  
  .article-excerpt {
    font-size: var(--eco-text-lg);
  }
  
  .blog-nav-content {
    flex-direction: column;
    gap: var(--eco-space-4);
  }
  
  .blog-search {
    width: 100%;
  }
  
  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--eco-space-2);
  }
}

@media (max-width: 640px) {
  .blog-card {
    margin: 0 var(--eco-space-4);
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
    gap: var(--eco-space-6);
  }
  
  .article-content h2 {
    font-size: var(--eco-text-2xl);
    padding-left: var(--eco-space-4);
  }
  
  .article-content h3 {
    font-size: var(--eco-text-xl);
  }
  
  .blog-pagination {
    flex-wrap: wrap;
  }
}

/* ========================================
   EFECTOS ESPECIALES
   ======================================== */
.blog-card-featured {
  background: var(--eco-gradient-primary);
  color: var(--eco-white);
}

.blog-card-featured .blog-card-category {
  background: linear-gradient(135deg, var(--eco-slate) 0%, var(--eco-deep-blue) 100%);
  box-shadow: var(--eco-shadow-lg);
}

.blog-card-featured h3,
.blog-card-featured p {
  color: var(--eco-white);
}

.blog-card-featured .blog-card-meta {
  color: var(--eco-gray-300);
}

.blog-card-featured .blog-card-cta {
  color: var(--eco-white);
  font-weight: var(--eco-weight-bold);
}

/* Efecto de lectura progresiva */
.reading-progress {
  position: fixed;
  top: 80px;
  left: 0;
  width: 0%;
  height: 4px;
  background: var(--eco-gradient-primary);
  z-index: 1000;
  transition: width 0.1s ease;
}

/* Animaciones de entrada */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.blog-card {
  animation: slideInUp 0.6s var(--eco-ease-out);
}

.blog-card:nth-child(2) { animation-delay: 0.1s; }
.blog-card:nth-child(3) { animation-delay: 0.2s; }
.blog-card:nth-child(4) { animation-delay: 0.3s; }