.sub-hero-strip {
  height: 100px;
  background: var(--nav-dark-front);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sub-hero-strip span {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.sub-layout-rail {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 20px 64px;
}

.sub-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.sub-sidebar-nav {
  list-style: none;
  border-left: 2px solid var(--border);
}

.sub-sidebar-nav li a {
  display: block;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--muted);
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color 0.45s ease, border-color 0.45s ease;
}

.sub-sidebar-nav li a:hover {
  color: var(--primary);
  border-left-color: var(--primary);
}

.sub-content h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 20px;
  font-weight: 400;
}

.sub-content h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin: 32px 0 14px;
  color: var(--text);
}

.sub-content p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 14px;
  line-height: 1.65;
}

.sub-img-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
  max-width: 100%;
  overflow: hidden;
}

.sub-img-pair img {
  width: 100%;
  max-width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.sub-callout {
  padding: 20px 24px;
  background: rgba(234, 88, 12, 0.08);
  border-left: 3px solid var(--primary);
  border-radius: 0 6px 6px 0;
  margin: 24px 0;
}

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

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

  .sub-sidebar {
    position: static;
  }

  .sub-img-pair {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
}