Theme is now deep navy blue with red accents — red + blue top gradient line visible in header, all 5 nav links inline (no dropdown), red CTA. Lint + backend unaffected.

– Colors swapped: backgrounds → navy blues (`#07153A`, `#0A1F4D`, `#0F2558`, `#050E28`); kept crimson red `#D7263D` for accents/CTAs
– Header: full width, all links always visible (no hamburger), added red→blue→red gradient strip on top edge for visual balance
– Everything else (sections, form, data-testids, API) unchanged and still working