/* ========== WISSEN ARTICLE PAGE ========== */

/* ---------- ARTICLE HERO ---------- */
.article-hero {
  padding-bottom: var(--space-xl);
}
.article-hero .tag {
  margin-bottom: var(--space-md);
}
.article-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  max-width: 900px;
}
.article-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 720px;
  margin-bottom: var(--space-xl);
}

/* ---------- META: DETAILS ---------- */
.article-meta {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}
.article-details {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.article-details span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ---------- ARTICLE LAYOUT: TOC + CONTENT ---------- */
.article-section {
  padding: var(--space-xl) 0 var(--section-pad);
}
.article-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

/* ---------- TABLE OF CONTENTS (SIDEBAR) ---------- */
.article-toc {
  position: sticky;
  top: 100px;
}
.toc-inner {
  padding-right: var(--space-md);
  border-right: 1px solid var(--border);
}
.toc-title {
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.toc-link {
  display: block;
  font-size: 0.84rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 0;
  border-left: 2px solid transparent;
  padding-left: 16px;
  margin-left: -1px;
  transition: color 0.3s, border-color 0.3s;
  line-height: 1.4;
}
.toc-link:hover {
  color: var(--text-primary);
}
.toc-link.active {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

/* ---------- ARTICLE CONTENT ---------- */
.article-content {
  max-width: 780px;
}
.article-lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}
.article-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}
.article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover {
  color: var(--accent-hover);
}
.article-content strong {
  color: var(--text-primary);
  font-weight: 600;
}
.article-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--text-primary);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
  scroll-margin-top: 100px;
}
.article-content h3 {
  font-family: var(--font);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}
.article-content ul {
  margin-bottom: var(--space-md);
  padding-left: 0;
  list-style: none;
}
.article-content ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}
.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.article-content code {
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, monospace;
  font-size: 0.88em;
  background: var(--accent-bg-subtle);
  color: var(--accent-text);
  padding: 2px 7px;
  border-radius: 4px;
}

/* ---------- CODE BLOCKS ---------- */
.article-content pre {
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: var(--space-lg) 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.article-content pre code {
  background: none;
  color: var(--dark-text);
  padding: 0;
  border-radius: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  display: block;
  white-space: pre;
}

/* ---------- DISCLAIMER ---------- */
.article-disclaimer {
  background: var(--accent-bg-faint);
  border: 1px solid var(--accent-border-subtle);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: var(--space-xl) 0;
}
.article-disclaimer p {
  margin-bottom: 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ---------- RELATED RESOURCES ---------- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: border-color 0.4s, transform 0.4s, box-shadow 0.4s;
  box-shadow: var(--card-shadow);
}
.related-card:hover {
  border-color: var(--accent-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.related-card-icon {
  color: var(--accent);
  margin-bottom: var(--space-sm);
}
.related-card .tag {
  margin-bottom: 10px;
  width: fit-content;
}
.related-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.related-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  flex: 1;
}
.related-card .resource-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  transition: gap 0.3s;
}
.related-card:hover .resource-link {
  gap: 10px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-toc {
    position: static;
    margin-bottom: var(--space-xl);
  }
  .toc-inner {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-right: 0;
    padding-bottom: var(--space-md);
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
    align-items: center;
  }
  .toc-title {
    margin-bottom: 0;
    margin-right: var(--space-sm);
  }
  .toc-link {
    border-left: none;
    padding-left: 0;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
  }
  .toc-link.active {
    background: var(--accent-bg-subtle);
  }
}

@media (max-width: 768px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
  .article-content pre {
    padding: 16px 18px;
    margin-left: -16px;
    margin-right: -16px;
    border-radius: 0;
  }
}

@media (max-width: 480px) {
  .article-title {
    font-size: 1.8rem;
  }
}