.subpage-hero {
  padding: 48px 24px;
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.12) 0%, rgba(15, 23, 42, 0.9) 100%);
  border-bottom: 1px solid var(--border);
}

.subpage-hero-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.subpage-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--text);
  margin-bottom: 12px;
}

.subpage-hero p {
  color: var(--secondary);
  font-size: 1rem;
}

.subpage-body {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
}

.subpage-rail {
  position: sticky;
  top: 24px;
  align-self: start;
}

.rail-nav {
  list-style: none;
  padding: 20px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.rail-nav li {
  margin-bottom: 10px;
}

.rail-nav a {
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.5px;
}

.subpage-content h2 {
  font-size: 1.35rem;
  color: var(--primary);
  margin: 32px 0 12px;
}

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

.subpage-content p {
  color: var(--secondary);
  margin-bottom: 14px;
  font-size: 0.96rem;
  line-height: 1.7;
}

.subpage-image-band {
  margin: 28px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.subpage-image-band img {
  max-width: 500px;
  max-height: 320px;
  width: 100%;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.subpage-callout {
  padding: 24px;
  margin: 24px 0;
  background: rgba(20, 184, 166, 0.08);
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
}

.subpage-callout p {
  margin-bottom: 0;
  color: var(--text);
}

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

  .subpage-rail {
    position: static;
  }

  .subpage-image-band {
    grid-template-columns: 1fr;
  }

  .subpage-image-band img {
    max-width: 100%;
  }
}

@media (max-width: 375px) {
  .subpage-body,
  .subpage-image-band {
    max-width: 100%;
    overflow: hidden;
  }

  .subpage-image-band img {
    width: 100%;
  }
}