.chapter-hero {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: flex-end;
  background: center/cover no-repeat;
}
.chapter-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,6,16,0.2) 0%, var(--bg) 100%);
}
.chapter-hero-content {
  position: relative; z-index: 2;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 2.5rem var(--page-pad);
  width: 100%;
}
.chapter-hero h1 { font-size: clamp(1.5rem, 4vw, 2.4rem); }

.chapter-main {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 1.5rem var(--page-pad) 3rem;
}
.chapter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: space-between;
  margin: 1.5rem 0;
}
.chapter-main h2 {
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
  color: var(--heart-glow);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
}
.chapter-main h3 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; color: var(--gold); }
.chapter-main p { margin-bottom: 1rem; }
.chapter-main ul, .chapter-main ol { margin: 0 0 1rem 1.5rem; }
.chapter-main li { margin-bottom: 0.35rem; }

.figure {
  margin: 1.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.figure img { width: 100%; display: block; }
.figure figcaption {
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--panel);
}

.objectives {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--heart);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}
.objectives h2 { margin-top: 0; border: none; padding: 0; font-size: 1.1rem; }