/* ============================================================ Constraint site.css โ€” shared chrome (C-7/P-3/P-4, Q-7-approved) Extracted verbatim from playbooks.html (the named reference standard) @ 83b4917. Owns: fonts, tokens, base, type ramp, buttons, header/nav/menu, wordmark, section rhythm, footer, reveal, responsive chrome, reduced-motion. Page-specific figures stay in each page's inline