/* Module detail pages — supplements style.css */

.module-hero {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  color: #fff;
}

.back-link {
  display: inline-block;
  color: #93c5fd;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 16px;
  text-decoration: none;
  transition: color 0.2s;
}

.back-link:hover {
  color: #fff;
}

.module-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.module-hero-sub {
  font-size: 1.1rem;
  color: #94a3b8;
  max-width: 700px;
  line-height: 1.7;
}

.module-content {
  padding: 60px 0 80px;
}

.module-detail {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
  transition: box-shadow 0.2s ease;
}

.module-detail:hover {
  box-shadow: var(--shadow);
}

.module-detail h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--surface-dark);
  margin-bottom: 12px;
}

.module-purpose {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.module-standards {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding: 8px 12px;
  background: rgba(30, 64, 175, 0.04);
  border-radius: 6px;
  display: inline-block;
}

.module-submodules {
  margin-top: 12px;
}

.module-submodules summary {
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 0;
  user-select: none;
}

.module-submodules summary:hover {
  color: var(--primary-dark);
}

.module-submodules ul {
  list-style: none;
  margin-top: 12px;
  padding: 0;
}

.module-submodules li {
  padding: 8px 0;
  padding-left: 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text);
  position: relative;
  line-height: 1.5;
}

.module-submodules li:last-child {
  border-bottom: none;
}

.module-submodules li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  background: var(--primary-light);
  border-radius: 50%;
}

.module-cta {
  padding: 60px 0;
  background: var(--surface-alt);
}

.module-cta h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--surface-dark);
  margin-bottom: 12px;
}

.module-cta p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .module-hero {
    padding: 120px 0 48px;
  }

  .module-detail {
    padding: 24px;
  }
}