.course-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 64px);
}
@media (max-width: 991px) {
  .course-layout {
    grid-template-columns: 1fr;
  }
}
.course-content { min-width: 0; color: #1A1A16; }
.course-sidebar {
  min-width: 0;
  --bg: #0A0A0A;
  --surface: #111;
  --border: #222;
  --text: #F5F5F0;
  --muted: #888;
  --accent: #C9A96E;
  color: var(--text);
}
.course-desc {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--article-text, #1A1A16);
  margin-bottom: 2rem;
}

/* Accordion */
.course-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 3rem;
}
.accordion-module {
  border: 1px solid #ccc;
  border-radius: 8px;
  overflow: hidden;
}
.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: #f0efe9;
  border: none;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  text-align: left;
  color: #111;
  font-weight: 500;
}
.accordion-header:hover { background: #e8e6df; }
.accordion-count {
  display: inline-block;
  margin-left: 0.75rem;
  background: var(--accent, #C9A96E);
  color: #000;
  padding: 0.1rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}
.accordion-arrow { transition: transform 0.2s; color: #1A1A16; }
.accordion-header[aria-expanded="false"] .accordion-arrow { transform: rotate(-90deg); }
.accordion-body { padding: 0; }
.accordion-lesson {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  border-top: 1px solid #ddd;
  font-size: 0.95rem;
  color: #333;
}
.accordion-lesson-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent, #C9A96E);
  text-decoration: none;
  flex: 1;
}
.accordion-lesson-link:hover { text-decoration: underline; }
.accordion-lesson-locked {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #666;
  flex: 1;
}
.accordion-lesson-icon { font-size: 0.8rem; }
.accordion-preview-badge {
  font-size: 0.7rem;
  background: var(--accent, #C9A96E);
  color: #000;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  font-weight: 600;
  white-space: nowrap;
}
.accordion-locked-badge {
  font-size: 0.7rem;
  background: #eee;
  color: #888;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  white-space: nowrap;
}
.accordion-duration {
  color: #999;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  white-space: nowrap;
}

.course-program-heading {
    font-family: 'Instrument Serif', serif;
    margin: 2rem 0 1rem;
}