.edition-heading, .edition-compare {
  margin-block: 24px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  padding: clamp(24px, 5vw, 56px);
}
.edition-heading h1 { font-size: clamp(2.55rem, 7vw, 5.4rem); }
.edition-heading p:last-child, .edition-compare > p { max-width: 64ch; }
.edition .sample-nav nav a { padding: 7px 10px; border-radius: 7px; }
.edition .sample-nav [aria-current="page"] { background: var(--accent-soft); color: var(--text); font-weight: 760; }
.edition .sample-nav nav { gap: 4px; }
.edition-paths, .edition-choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.edition-paths a { display: grid; gap: 6px; padding: 20px; border-radius: 12px; border: 1px solid var(--border); text-decoration: none; }
.edition-paths a:hover { background: var(--accent-soft); }
.edition-choice { display: flex; flex-direction: column; gap: 7px; padding: 20px; border-radius: 13px; background: var(--demo-ink); color: var(--demo-accent); }
.edition-choice h3 { margin: 0; font-size: 1.4rem; }
.edition-choice p { margin-bottom: 3px; }
.edition-choice > div { display: flex; align-items: start; flex-direction: column; gap: 9px; margin-top: auto; padding-top: 6px; }
.edition-standard { color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 24px; margin: 20px 0 14px; }
.edition-standard h2, .edition-standard p { margin-bottom: 0; }
.edition-next { margin-top: 18px; }
.edition-footer p { margin: 3px 0 0; }
.edition-detail-cards p { margin-block: 8px; }
@media (max-width: 800px) {
  .edition-choice-grid, .edition-paths { grid-template-columns: 1fr; }
}