- Add design tokens (colors, spacing, radius, shadows, typography, transitions)
- Add global reset, body/link/focus/typography base styles
- Add utility classes (container, surface-card, btn variants, field, badge, message, divider)
- Replace header ✉ symbol with inline SVG envelope icon
- Update favicon to license-plate shaped mark with blue gradient and bold B
- Rename brand from BilHälsning to Bilhej in header, footer, and HTML title
- Rewrite footer tagline: focus on service, not privacy
- Add theme-color meta tag for browser chrome