/* =================================================================
   BLOG.CSS - Estilos específicos para el blog
   ================================================================= */

/* Variables CSS para consistencia */
:root {
  --navy-blue: #1a365d;
  --accent-gold: #d4af37;
  --primary-white: #ffffff;
  --secondary-light: #f8fafc;
  --text-secondary: #64748b;
  --border-light: #e2e8f0;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --transition-base: all 0.3s ease;
}

/* =================================================================
   BREADCRUMBS
   ================================================================= */
.breadcrumbs {
  background: var(--secondary-light);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
  content: "›";
  margin-left: 0.5rem;
  color: var(--text-secondary);
}

.breadcrumb-list a {
  color: var(--navy-blue);
  text-decoration: none;
  transition: var(--transition-base);
}

.breadcrumb-list a:hover {
  color: var(--accent-gold);
}

/* =================================================================
   BLOG HERO SECTION
   ================================================================= */
.blog-hero {
  background: linear-gradient(135deg, var(--navy-blue) 0%, #2d3748 100%);
  color: var(--primary-white);
  padding: 6rem 0 4rem;
  text-align: center;
}

.blog-hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.blog-intro {
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.blog-hero h1 {
  font-size: 3.5rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.blog-subtitle {
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 3rem;
  opacity: 0.9;
  word-break: keep-all;
  hyphens: none;
}

/* Search Box */
.blog-search {
  max-width: 500px;
  margin: 0 auto;
}

.search-container {
  display: flex;
  background: var(--primary-white);
  border-radius: 50px;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.search-input {
  flex: 1;
  border: none;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  background: transparent;
  outline: none;
}

.search-input::placeholder {
  color: var(--text-secondary);
}

.search-button {
  background: var(--accent-gold);
  border: none;
  padding: 1rem 1.5rem;
  cursor: pointer;
  transition: var(--transition-base);
}

.search-button:hover {
  background: var(--navy-blue);
}

.search-icon {
  font-size: 1.2rem;
}

/* =================================================================
   CATEGORIES SECTION
   ================================================================= */
.blog-categories {
  padding: 5rem 0;
  background: var(--primary-white);
}

.categories-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--navy-blue);
  margin-bottom: 3rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.category-card {
  background: var(--primary-white);
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-light);
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 4px;
  background: var(--accent-gold);
  transition: var(--transition-base);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
}

.category-card:hover::before {
  left: 0;
}

.category-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: block;
}

.category-name {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--navy-blue);
  margin-bottom: 1rem;
}

.category-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.category-count {
  background: var(--accent-gold);
  color: var(--primary-white);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* =================================================================
   FEATURED ARTICLES
   ================================================================= */
.featured-articles {
  padding: 6rem 0;
  background: var(--secondary-light);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--navy-blue);
  margin-bottom: 4rem;
}

.featured-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Featured Main Article */
.featured-main {
  background: var(--primary-white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: var(--transition-base);
}

.featured-main:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.article-image {
  position: relative;
  height: 300px;
  overflow: hidden;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-base);
}

.featured-main:hover .article-image img {
  transform: scale(1.05);
}

.article-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--accent-gold);
  color: var(--primary-white);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.article-content {
  padding: 2.5rem;
}

.article-header h3 {
  font-size: 1.6rem;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.article-header h3 a {
  color: var(--navy-blue);
  text-decoration: none;
  transition: var(--transition-base);
}

.article-header h3 a:hover {
  color: var(--accent-gold);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.article-excerpt {
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: var(--secondary-light);
  color: var(--navy-blue);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  border: 1px solid var(--border-light);
}

/* Featured Secondary Articles */
.featured-secondary {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.article-card {
  background: var(--primary-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: var(--transition-base);
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.card-image {
  position: relative;
  height: 150px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-category {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  background: var(--accent-gold);
  color: var(--primary-white);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.7rem;
  font-weight: 500;
}

.card-content {
  padding: 1.5rem;
}

.card-content h4 {
  font-size: 1.1rem;
  line-height: 1.3;
  margin-bottom: 0.8rem;
}

.card-content h4 a {
  color: var(--navy-blue);
  text-decoration: none;
  transition: var(--transition-base);
}

.card-content h4 a:hover {
  color: var(--accent-gold);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.card-excerpt {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.reading-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* =================================================================
   RECENT ARTICLES
   ================================================================= */
.recent-articles {
  padding: 6rem 0;
  background: var(--primary-white);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-top: 1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.articles-list {
  max-width: 900px;
  margin: 0 auto;
}

.article-item {
  display: flex;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.article-item:hover {
  background: var(--secondary-light);
  margin: 0 -2rem;
  padding-left: 2rem;
  padding-right: 2rem;
  border-radius: 12px;
}

.article-date {
  flex-shrink: 0;
  text-align: center;
  background: var(--navy-blue);
  color: var(--primary-white);
  border-radius: 12px;
  padding: 1rem;
  height: fit-content;
  min-width: 80px;
}

.date-day {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
}

.date-month {
  display: block;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.2rem;
}

.article-info {
  flex: 1;
}

.article-category-tag {
  display: inline-block;
  background: var(--accent-gold);
  color: var(--primary-white);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.article-info h3 {
  font-size: 1.4rem;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.article-info h3 a {
  color: var(--navy-blue);
  text-decoration: none;
  transition: var(--transition-base);
}

.article-info h3 a:hover {
  color: var(--accent-gold);
}

.article-summary {
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Load More Button */
.load-more-container {
  text-align: center;
  margin-top: 3rem;
}

.load-more-btn {
  background: var(--navy-blue);
  color: var(--primary-white);
  border: none;
  padding: 1rem 2.5rem;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.load-more-btn:hover {
  background: var(--accent-gold);
  transform: translateY(-2px);
}

.load-more-icon {
  margin-left: 0.5rem;
  transition: var(--transition-base);
}

.load-more-btn:hover .load-more-icon {
  transform: translateY(2px);
}

/* =================================================================
   USEFUL RESOURCES
   ================================================================= */
.useful-resources {
  padding: 6rem 0;
  background: var(--secondary-light);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.resource-card {
  background: var(--primary-white);
  padding: 2.5rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: var(--transition-base);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 300px;
}

.resource-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.resource-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: block;
}

.resource-card h3 {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--navy-blue);
  min-height: 2.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.resource-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
  flex-grow: 1;
}

.resource-link {
  display: inline-block;
  background: var(--accent-gold);
  color: var(--primary-white);
  padding: 0.8rem 2rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  margin-top: auto;
  align-self: center;
}

.resource-link:hover {
  background: var(--navy-blue);
  transform: translateY(-2px);
}

/* =================================================================
   BLOG CTA
   ================================================================= */
.blog-cta {
  padding: 5rem 0;
  background: var(--primary-white);
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.blog-cta h2 {
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--navy-blue);
  margin-bottom: 1.5rem;
}

.blog-cta p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-button {
  display: inline-block;
  padding: 1.2rem 2.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.cta-button.primary {
  background: var(--accent-gold);
  color: var(--primary-white);
}

.cta-button.secondary {
  background: transparent;
  color: var(--navy-blue);
  border: 2px solid var(--navy-blue);
}

.cta-button:hover {
  transform: translateY(-2px);
}

.cta-button.primary:hover {
  background: var(--navy-blue);
}

.cta-button.secondary:hover {
  background: var(--navy-blue);
  color: var(--primary-white);
}

/* =================================================================
   ANIMATIONS
   ================================================================= */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

.stagger-delay-1 {
  animation-delay: 0.2s;
  animation-fill-mode: both;
}

.stagger-delay-2 {
  animation-delay: 0.4s;
  animation-fill-mode: both;
}

.stagger-delay-3 {
  animation-delay: 0.6s;
  animation-fill-mode: both;
}

/* =================================================================
   RESPONSIVE DESIGN
   ================================================================= */
@media (max-width: 1024px) {
  .featured-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .blog-hero {
    padding: 4rem 0 3rem;
  }
  
  .blog-hero h1 {
    font-size: 2.5rem;
  }
  
  .blog-subtitle {
    font-size: 1rem;
  }
  
  .categories-grid,
  .resources-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .category-card,
  .resource-card {
    padding: 2rem 1.5rem;
    min-height: 280px;
  }
  
  .article-item {
    flex-direction: column;
    gap: 1rem;
  }
  
  .article-date {
    width: fit-content;
    align-self: flex-start;
  }
  
  .newsletter-actions,
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .featured-main .article-content {
    padding: 2rem 1.5rem;
  }
  
  .article-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .blog-hero h1 {
    font-size: 2rem;
  }
  
  .search-container {
    flex-direction: column;
    border-radius: 12px;
  }
  
  .search-input,
  .search-button {
    border-radius: 0;
  }
  
  .search-input {
    border-radius: 12px 12px 0 0;
  }
  
  .search-button {
    border-radius: 0 0 12px 12px;
  }
  
  .container {
    padding: 0 1rem;
  }
}

/* =================================================================
   PRINT STYLES
   ================================================================= */
@media print {
  .blog-search,
  .blog-cta,
  .useful-resources {
    display: none;
  }
  
  .featured-articles,
  .recent-articles {
    padding: 2rem 0;
  }
  
  .article-item:hover {
    background: none;
    margin: 0;
    padding: 2.5rem 0;
  }
}

/* =================================================================
   ACCESSIBILITY
   ================================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for accessibility */
.category-card:focus,
.article-card:focus,
.resource-link:focus,
.newsletter-btn:focus,
.cta-button:focus,
.load-more-btn:focus {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .category-card,
  .article-card,
  .resource-card {
    border: 2px solid var(--navy-blue);
  }
  
  .tag {
    border: 1px solid var(--navy-blue);
  }
}