/* --- Resource Hub Grid --- */
.articles-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 48px;
}
/* --- Resource Category Sections --- */
.resource-section {
  margin-top: 64px;
}

.resource-section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 12px;
}

.resource-section-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--glow-rgb), 0.08);
  border: 1px solid rgba(var(--glow-rgb), 0.12);
  border-radius: 8px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.resource-section-icon i {
  width: 16px;
  height: 16px;
}

.resource-section-title {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.article-card {
  flex: 0 0 calc(33.333% - 11px);
  max-width: calc(33.333% - 11px);
  padding: 28px 24px;
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--glow-rgb), 0.5), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.article-card:hover {
  background: var(--color-glass-hover);
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(var(--glow-rgb), 0.04);
}

.article-card:hover::before {
  opacity: 1;
}

.article-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.article-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--glow-rgb), 0.08);
  border: 1px solid rgba(var(--glow-rgb), 0.12);
  border-radius: 12px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.article-card-icon i { width: 20px; height: 20px; }

.article-card-arrow {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-text-dim);
  transition: all var(--transition-normal);
  flex-shrink: 0;
  margin-top: 8px;
}

.article-card:hover .article-card-arrow {
  color: var(--color-accent);
  background: rgba(var(--glow-rgb), 0.08);
  transform: translate(2px, -2px);
}

.article-card-arrow i { width: 16px; height: 16px; }

.article-card-title {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.article-card:hover .article-card-title { color: var(--color-accent); }

.article-card-desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Article Page Typography --- */
.article-body {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.article-content h2 {
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--color-text);
  margin-top: 48px;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text);
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-content p {
  margin-bottom: 24px;
}

.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 12px;
}

.article-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content strong {
  color: var(--color-text);
  font-weight: 600;
}

.article-cta-box {
  margin-top: 48px;
  padding: 32px;
  background: linear-gradient(180deg, rgba(var(--glow-rgb), 0.04) 0%, transparent 100%);
  border: 1px solid rgba(var(--glow-rgb), 0.15);
  border-radius: var(--radius-xl);
  text-align: center;
}

.article-cta-title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-text);
}

.article-cta-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

/* Responsive */
@media (max-width: 768px) {
  .article-card {
    flex: 0 0 calc(50% - 8px);
    max-width: calc(50% - 8px);
    padding: 20px 18px;
  }
}

@media (max-width: 480px) {
  .article-card {
    flex: 0 0 100%;
    max-width: 100%;
  }
}
/* Fix: Ensure buttons inside articles keep their original button text colors */
.article-content a.btn,
.article-cta-box a.btn {
  color: var(--btn-primary-text);
  text-decoration: none;
}

.article-content a.btn-secondary,
.article-cta-box a.btn-secondary {
  color: var(--color-text);
}
/* --- Breadcrumbs --- */
.breadcrumbs {
  max-width: 800px;
  margin: 24px auto 0;
  padding: 0 24px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.breadcrumbs a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}
.breadcrumbs a:hover {
  color: var(--color-accent);
}
.breadcrumb-separator {
  opacity: 0.4;
}

/* --- Table of Contents --- */
.toc {
  background: var(--color-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 32px 0 40px;
}
.toc-title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.toc ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.toc ul li {
  margin-bottom: 8px;
}
.toc ul li a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}
.toc ul li a:hover {
  text-decoration: underline;
}