Rewrite homepage copy with pain-first messaging and new sections

Rewrite hero headline, subtitle, and CTA for clarity and urgency. Add
Problem section and Before/After comparison table. Simplify value prop
and Who It's For card copy. Move email capture higher in page flow.
Remove What Makes It Different section (absorbed into other sections).
Update all meta tags to be product- and user-focused. Clean up duplicate
style objects and unnecessary wrappers found during code review.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: gmoon