/* Article Navigation Styles */
.article-navigation {
  margin: 3rem 0;
  padding: 2rem 0;
  border-top: 2px solid #f0f0f0;
  border-bottom: 2px solid #f0f0f0;
}

.article-navigation .nav-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  max-width: 100%;
}

.article-navigation .nav-item {
  min-height: 120px;
  display: flex;
  align-items: center;
}

.article-navigation .nav-prev {
  justify-content: flex-start;
}

.article-navigation .nav-next {
  justify-content: flex-end;
}

.article-navigation .nav-link {
  display: block;
  padding: 1.5rem;
  background: #f8f9fa;
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  max-width: 300px;
  width: 100%;
}

.article-navigation .nav-link:hover {
  background: #ffffff;
  border-color: #007bff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 123, 255, 0.15);
}

.article-navigation .nav-direction {
  font-size: 0.875rem;
  color: #6c757d;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.article-navigation .nav-title {
  font-size: 1rem;
  font-weight: 600;
  color: #2c3e50;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-navigation .nav-category {
  font-size: 0.75rem;
  color: #007bff;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-navigation .nav-center {
  text-align: center;
  padding: 0 1rem;
}

.article-navigation .category-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, #007bff, #0056b3);
  color: white;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.article-navigation .category-link:hover {
  background: linear-gradient(135deg, #0056b3, #004085);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
  color: white;
}

.article-navigation .category-icon {
  font-size: 1rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .article-navigation .nav-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }

  .article-navigation .nav-item {
    justify-content: center !important;
    min-height: auto;
  }

  .article-navigation .nav-link {
    max-width: 100%;
  }

  .article-navigation .nav-center {
    order: -1;
    padding: 0;
    margin-bottom: 1rem;
  }

  .article-navigation .category-link {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .article-navigation {
    margin: 2rem 0;
    padding: 1.5rem 0;
  }

  .article-navigation .nav-link {
    padding: 1rem;
  }

  .article-navigation .nav-title {
    font-size: 0.9rem;
  }

  .article-navigation .category-link {
    padding: 0.875rem 1.5rem;
    font-size: 0.875rem;
  }
}

/* Related Articles Section */
.related-articles {
  margin: 3rem 0;
  padding: 2rem;
  background: #f8f9fa;
  border-radius: 12px;
}

.related-articles h3 {
  color: #2c3e50;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.related-article {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  border: 1px solid #e9ecef;
}

.related-article:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: #007bff;
}

.related-article-category {
  font-size: 0.75rem;
  color: #007bff;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.related-article-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #2c3e50;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.related-article-excerpt {
  font-size: 0.875rem;
  color: #6c757d;
  line-height: 1.5;
}

/* --- Article Content Block Styling --- */
.article-content .container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 2rem 1.5rem;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 4px 24px 0 rgba(102, 126, 234, 0.07),
    0 1.5px 6px 0 rgba(44, 62, 80, 0.03);
}

.article-body {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.article-body > *:not(:last-child) {
  margin-bottom: 2.25rem;
}

.article-body h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
  font-size: 2rem;
  color: var(--primary-color);
  border-left: 4px solid var(--primary-color);
  padding-left: 0.75rem;
  background: linear-gradient(90deg, #f7fafc 80%, transparent 100%);
  border-radius: 4px;
}

.article-body h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.25rem;
  color: var(--secondary-color);
}

.article-body p,
.article-body ul,
.article-body ol {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.article-body ul.styled-list {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.article-body ul.styled-list li {
  position: relative;
  margin-bottom: 0.75rem;
  padding-left: 1.25rem;
  list-style: none;
}

.article-body ul.styled-list li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-size: 1.2em;
  line-height: 1;
  top: 0.1em;
}

.article-body .lead {
  font-size: 1.18rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 2rem;
}

.article-body .breadcrumb {
  margin-bottom: 1.5rem;
}

.article-body .faq {
  background: #f7fafc;
  border-left: 4px solid var(--secondary-color);
  padding: 1.25rem 1.5rem;
  border-radius: 8px;
  margin-bottom: 2rem;
}

@media (max-width: 600px) {
  .article-content .container {
    padding: 1.25rem 0.5rem 1.5rem 0.5rem;
  }
  .article-body h2 {
    font-size: 1.25rem;
    padding-left: 0.5rem;
  }
}