.puzzle-landing {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px clamp(20px, 5vw, 48px) 56px;
}

.puzzle-back-nav {
  margin-bottom: 56px;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.02em;
}

.puzzle-back-nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms ease;
}

.puzzle-back-nav a:hover {
  color: var(--primary-dark);
}

.puzzle-hero {
  margin-bottom: 56px;
}

.puzzle-hero h1 {
  max-width: 640px;
  margin-bottom: 22px;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.puzzle-hero .lede {
  margin-bottom: 18px;
}

.puzzle-meta {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.puzzle-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

.puzzle-divider {
  margin: 56px auto;
  max-width: 80px;
  border: 0;
  border-top: 1px solid var(--line);
}

.puzzle-section {
  margin-bottom: 16px;
}

.puzzle-section h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.puzzle-section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.puzzle-section p a {
  color: var(--primary-dark);
  font-weight: 800;
  text-decoration: none;
}

.puzzle-section p a:hover {
  text-decoration: underline;
}

.book-cover-placeholder {
  display: grid;
  place-items: center;
  width: 180px;
  aspect-ratio: 2 / 3;
  margin: 24px 0 28px;
  border: 1.5px dashed var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  padding: 12px;
}

@media (max-width: 560px) {
  .puzzle-back-nav {
    margin-bottom: 36px;
  }

  .puzzle-hero,
  .puzzle-divider {
    margin-bottom: 40px;
  }

  .puzzle-divider {
    margin-top: 40px;
  }

  .puzzle-hero-actions .button {
    width: 100%;
  }
}