.sub-hero {
  display: flex;
  min-height: 200px;
  border-bottom: 1px solid var(--border);
}

.sub-hero__rail {
  flex: 0 0 6px;
  background: var(--primary);
}

.sub-hero__content {
  flex: 1;
  padding: 48px 32px;
  background: var(--surface);
}

.sub-hero__tag {
  font-family: var(--tactical-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 12px;
}

.sub-hero h1 {
  font-size: clamp(24px, 4vw, 36px);
  margin-bottom: 12px;
}

.sub-hero p {
  color: var(--muted);
  max-width: 600px;
  font-size: 15px;
}

.sub-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 32px;
}

.sub-sidebar {
  border-right: 1px solid var(--border);
  padding-right: 32px;
}

.sub-sidebar__item {
  font-family: var(--tactical-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.sub-sidebar__item--active {
  color: var(--accent);
}

.sub-content h2 {
  font-size: 20px;
  margin: 32px 0 14px;
  color: var(--secondary);
}

.sub-content h2:first-child {
  margin-top: 0;
}

.sub-content p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 14px;
  line-height: 1.7;
}

.sub-content ul {
  margin: 0 0 16px 20px;
  color: var(--muted);
}

.sub-content li {
  margin-bottom: 8px;
  font-size: 15px;
}

.sub-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 32px 0;
  max-width: 100%;
  overflow: hidden;
}

.sub-images img {
  width: 100%;
  max-width: 100%;
  max-height: 320px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.sub-images__band {
  grid-column: span 2;
  height: 120px;
  background-image: url("/images/decorative/decor_5.jpg");
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
}

@media (max-width: 768px) {
  .sub-layout {
    grid-template-columns: 1fr;
    padding: 32px 16px;
  }

  .sub-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-right: 0;
    padding-bottom: 20px;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .sub-sidebar__item {
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-bottom: 1px solid var(--border);
  }

  .sub-images {
    grid-template-columns: 1fr;
  }

  .sub-images__band {
    grid-column: span 1;
    max-width: 100%;
  }

  .sub-hero__content {
    padding: 32px 16px;
  }
}