.subpage-hero-strip {
  position: relative;
  z-index: 1;
  background: var(--nav-dark);
  color: rgba(255, 255, 255, 0.9);
  padding: 3rem 24px;
  border-bottom: 3px solid var(--accent);
}

.subpage-hero-strip h1 {
  max-width: var(--focus-max);
  margin: 0 auto;
  font-size: 32px;
  font-weight: normal;
  letter-spacing: -0.02em;
}

.subpage-body {
  position: relative;
  z-index: 1;
  max-width: var(--focus-max);
  margin: 0 auto;
  padding: var(--discipline-gap) 24px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
}

.subpage-main p {
  font-size: 15px;
  margin-bottom: 1.1rem;
}

.subpage-main h2 {
  font-size: 20px;
  font-weight: normal;
  margin: 2rem 0 0.85rem;
  color: var(--primary);
}

.subpage-rail {
  position: sticky;
  top: 72px;
}

.rail-image {
  overflow: hidden;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}

.rail-image img {
  display: block;
  max-width: 100%;
  max-height: 320px;
  object-fit: cover;
  width: 100%;
}

.rail-callout {
  padding: 1.25rem;
  background: rgba(139, 92, 246, 0.08);
  border-left: 3px solid var(--primary);
  font-size: 14px;
}

@media (max-width: 768px) {
  .subpage-body {
    grid-template-columns: 1fr;
    overflow: hidden;
    max-width: 100%;
  }

  .subpage-rail {
    position: static;
    max-width: 100%;
    overflow: hidden;
  }

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