Solid letterpress accordion — plum-filled header blocks when open, warm ivory paper, hard ink borders with offset press shadows, folio numerals, grid-row height animation, chevron rotation, and full keyboard navigation, fully token-driven in a bold editorial identity.

Divider-list FAQ accordion with animated plus/minus icons, single-mode expansion, grid-row height animation, and full keyboard navigation, fully token-driven and design-system agnostic.

Multi-mode ARIA accordion in a cultivated Roastery skin — champagne-paper cards, evergreen accents, Nunito Sans questions, and compact chevron controls — with grid-row height animation and full keyboard navigation. Panels toggle independently.

Single-mode ARIA accordion styled as a code editor — a faq.json tab with line-number gutter, code-fold carets, JSON syntax highlighting, and a VS Code style status bar. Opening one folded region closes the others, with grid-row height animation and full keyboard navigation, fully token-driven.

A private-banking ledger menu: accordion sections styled as a bound folio — typewritten indexes, letterspaced heads, roman entry counts and dotted-leader amounts. Single-open behavior with a cross-blur unfold and flip chevron, full ARIA wiring, keyboard navigation, data-driven groups.