.topic-hero-strip {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 48px 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.topic-hero-strip h1 {
  font-variant: small-caps;
  font-size: 2.2rem;
  letter-spacing: 0.06em;
  max-width: 800px;
  margin: 0 auto;
}

.topic-layout-sidebar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.topic-sidebar {
  border-right: 1px solid var(--border);
  padding-right: 24px;
}

.topic-sidebar nav {
  position: sticky;
  top: 80px;
}

.topic-sidebar a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 0;
  font-size: 0.9rem;
  font-variant: small-caps;
  border-bottom: 1px solid var(--border);
}

.topic-sidebar a:hover {
  color: var(--accent);
}

.topic-content h2 {
  font-variant: small-caps;
  font-size: 1.4rem;
  margin: 32px 0 16px;
  color: var(--text);
}

.topic-content h3 {
  font-variant: small-caps;
  font-size: 1.1rem;
  margin: 24px 0 12px;
  color: var(--muted);
}

.topic-content p {
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.75;
}

.topic-content ul {
  color: var(--muted);
  margin: 16px 0 16px 24px;
}

.topic-content li {
  margin-bottom: 8px;
}

.topic-image-rail {
  float: right;
  max-width: 320px;
  margin: 0 0 20px 28px;
}

.topic-image-rail img {
  max-width: 100%;
  max-height: 320px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.topic-bg-band {
  margin: 40px -24px;
  padding: 48px 24px;
  background-image: linear-gradient(rgba(15, 10, 31, 0.85), rgba(15, 10, 31, 0.9)), url('/images/decorative/decor_5.jpg');
  background-size: cover;
  background-position: center;
  text-align: center;
}

.topic-bg-band p {
  max-width: 600px;
  margin: 0 auto;
  font-style: italic;
  color: var(--text);
  font-size: 1.1rem;
}

@media (max-width: 768px) {
  .topic-layout-sidebar {
    grid-template-columns: 1fr;
  }

  .topic-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-right: 0;
    padding-bottom: 24px;
  }

  .topic-sidebar nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    position: static;
  }

  .topic-sidebar a {
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 4px;
  }

  .topic-image-rail {
    float: none;
    max-width: 100%;
    margin: 0 0 20px;
    overflow: hidden;
  }

  .topic-image-rail img {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 240px;
    object-fit: cover;
  }

  .topic-bg-band {
    margin: 40px 0;
    padding: 32px 16px;
    overflow: hidden;
  }
}