Restyle site to align with brand.uga.edu guidelines: Bulldog Red primary,
Olympic/Lake Herrick accents, Oswald headings, Merriweather Sans body text.
Add WCAG AA-compliant dark mode, skip-to-content link, focus indicators,
and underlined content links for Section 508 compliance.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>