.sidebar-link .s-num {
  font-size: 0.6rem; color: var(--muted); min-width: 16px;
  transition: color 0.15s;
}

.sidebar-link.active .s-num {
  color: var(--accent-text);
}

.section {
  display: none; animation: fadeIn 0.2s ease;
}

.section.active {
  display: block;
}

.section-num {
  font-size: 0.6rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px;
}

.content-body h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; font-weight: 700;
  color: var(--text); margin: 1.6em 0 0.6em;
}

/* Placeholder "contenu à venir" */
.placeholder {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 40px 32px;
  text-align: center;
  color: var(--muted);
}

.placeholder .ph-icon {
  font-size: 2.5rem; margin-bottom: 12px;
}

.placeholder .ph-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem; color: var(--text); margin-bottom: 8px;
}

.placeholder .ph-sub {
  font-size: 0.78rem; letter-spacing: 1px;
}

/* Navigation bas de page */
.section-nav {
  display: flex; justify-content: space-between;
  margin-top: 40px; padding-top: 16px;
  border-top: 1px solid var(--border); gap: 8px;
}

.section-nav-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  font-family: 'DM Mono', monospace; font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase;
  background: var(--surface); border: 1px solid var(--border); border-radius: 4px;
  color: var(--muted); cursor: pointer;
  transition: color 0.15s, border-color 0.15s; text-decoration: none;
}

.section-nav-btn:hover {
  color: var(--accent-text); border-color: var(--accent-text);
}

.section-nav-btn.hidden {
  visibility: hidden;
}