.page { max-width: 720px; margin: 3rem auto; padding: 0 1.5rem 6rem; }

.page h1 { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; color: #111; }
.page .lead { font-size: 1.1rem; color: #555; margin-bottom: 1.5rem; }

.page details { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 0.75rem 1rem; margin-top: 1.5rem; }
.page details summary { cursor: pointer; font-weight: 500; }
.page details p { margin-top: 0.75rem; color: #555; line-height: 1.6; }

/* ── Demo section ── */
.demo-section { margin-top: 2.5rem; }
.demo-section h2 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.4rem; }
.demo-description { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 1.5rem; line-height: 1.5; }

.demo-group { margin-bottom: 1.25rem; }
.demo-group h3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.demo-badge {
  display: inline-block;
  padding: 1px 6px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
}

.demo-buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.btn--sm { font-size: 13px; padding: 6px 14px; }