.art-hero { padding: clamp(5rem, 11vw, 8rem) 0 clamp(3.5rem, 7vw, 5.5rem); color: #fff; }
.art-crumbs {
  display: flex; align-items: center; gap: 0.7rem;
  font-size: 0.78rem; color: #b9b7bf;
  margin-bottom: 1.6rem;
}
.art-crumbs a:hover { color: var(--accent); }
.art-crumbs i { font-size: 0.6rem; color: var(--accent); }
.art-hero h1 { max-width: 20ch; }
.art-lead { font-size: 1.05rem; color: #d7d5dc; max-width: 60ch; }
.art-meta { display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: center; margin-top: 1.6rem; }
.art-meta-item { display: inline-flex; gap: 0.55rem; align-items: center; font-size: 0.85rem; color: #cfcdd4; }
.art-meta-item i { color: var(--accent); }

.art-layout { display: grid; grid-template-columns: 300px 1fr; gap: 4rem; align-items: start; }
.art-side { position: sticky; top: 120px; display: grid; gap: 1.4rem; }
.art-toc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
}
.art-toc h3, .art-side-cta h3 {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em;
  font-family: var(--font-body); font-weight: 800;
  display: flex; gap: 0.6rem; align-items: center;
  margin-bottom: 1rem;
}
.art-toc h3 i { color: var(--accent); }
.art-toc ul { display: grid; gap: 0.6rem; }
.art-toc a { font-size: 0.88rem; color: var(--ink-soft); transition: color 0.2s, padding-left 0.2s; }
.art-toc a:hover { color: var(--accent); padding-left: 4px; }
.art-side-cta {
  background: var(--dark);
  color: #efeee9;
  border-radius: var(--radius);
  padding: 1.6rem;
}
.art-side-cta p { font-size: 0.85rem; color: #a4a2ab; }
.art-side-cta .btn { margin-top: 0.5rem; }

.art-body { max-width: 780px; }
.art-h2 {
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  margin: 2.6rem 0 1rem;
  scroll-margin-top: 120px;
}
.art-h2:first-child { margin-top: 0; }
.art-body > p { font-size: 1rem; line-height: 1.85; color: var(--ink-soft); margin-bottom: 1.2rem; }
.art-fig {
  margin: 2rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/9;
}
.art-fig img { width: 100%; height: 100%; object-fit: cover; }
.art-quote {
  margin: 2.4rem 0;
  padding: 1.6rem 2rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.art-quote .quote-mark { font-size: 3rem; }
.art-quote p { font-size: 1.05rem; font-weight: 600; margin: 0; }

.art-takeaways {
  margin: 2.4rem 0;
  background: var(--dark);
  color: #efeee9;
  border-radius: var(--radius);
  padding: 1.8rem 2rem;
}
.art-takeaways h3 { display: flex; gap: 0.6rem; align-items: center; font-size: 1rem; margin-bottom: 1rem; }
.art-takeaways h3 i { color: var(--accent); }
.art-takeaways ul { display: grid; gap: 0.7rem; }
.art-takeaways li { display: flex; gap: 0.7rem; font-size: 0.92rem; }
.art-takeaways li i { color: var(--accent); margin-top: 0.3rem; }

.art-links { margin-top: 2.4rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.art-links h3 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; font-family: var(--font-body); font-weight: 800; margin-bottom: 1rem; }
.art-links-grid { display: grid; gap: 0.7rem; }
.art-links-grid a {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.9rem 1.2rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.9rem;
  transition: all 0.25s;
}
.art-links-grid a i { color: var(--accent); font-size: 0.75rem; transition: transform 0.2s; }
.art-links-grid a:hover { border-color: var(--accent); transform: translateX(6px); }

.art-faq-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 3.5rem; align-items: start; }

.art-author-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1.4rem; align-items: stretch; }
.art-author { display: flex; gap: 1.4rem; align-items: center; }
.art-author-avatar {
  width: 72px; height: 72px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--ink);
  color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
}
.art-author h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.art-author p { font-size: 0.85rem; color: var(--muted); margin: 0; }
.art-related { display: flex; flex-direction: column; gap: 0.8rem; }
.art-related h3 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; font-family: var(--font-body); font-weight: 800; }
.art-rel {
  display: flex; align-items: center; gap: 0.9rem;
  padding: 1rem 1.2rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.9rem;
  transition: all 0.25s;
}
.art-rel i:first-child { color: var(--accent); }
.art-rel span { flex: 1; }
.art-rel i:last-child { font-size: 0.75rem; color: var(--muted); transition: transform 0.2s; }
.art-rel:hover { border-color: var(--accent); }
.art-rel:hover i:last-child { transform: translateX(4px); color: var(--accent); }

.art-cta { padding: clamp(4rem, 8vw, 6rem) 0; color: #fff; }
.art-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.art-cta p { color: #d7d5dc; margin: 0; max-width: 52ch; }

@media (max-width: 980px) {
  .art-layout { grid-template-columns: 1fr; }
  .art-side { position: static; order: 2; }
  .art-faq-grid, .art-author-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .art-author { flex-direction: column; text-align: center; }
  .art-cta-inner { flex-direction: column; align-items: flex-start; }
}