North Carolina template cleanup confirmation

Applied the Virginia/CT final public template approach.

Removed from DOM:
- Search & Filter heading
- metrics boxes
- footer / footer statistics
- mobile header click script

Disabled in app.js:
- renderMetrics writing
- footerStats writing
- startup renderMetrics call

Preserved:
- working MapLibre / Esri map code
- North Carolina data.js
- config.js
- Service quick search logic
- map initialization

Added:
- stylesheet hard lock
- inline stylesheet fallback inside index.html
- burgundy left-panel toggle
- right-panel scrolling
- generic non-identifying portrait placeholder
