:root{--brand-primary:#111111;--brand-secondary:#6b7280;--brand-accent:#2563eb;--brand-bg:#ffffff;--brand-text:#111111;--brand-border:#e5e7eb;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--font-body:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-heading:var(--font-body)}