Email Marketing Campaign Writer

Create an email marketing campaign with the following details:

**Product/Service:** [Product Name]
**Campaign Goal:** [e.g., Lead nurture, Product launch, Re-engagement]
**Target Audience:** [Audience Description]
**Campaign Length:** [Number of emails in sequence]

For each email, provide:
1. Subject line (with 2 A/B test variations)
2. Preview text (40-50 characters)
3. Email body (mobile-optimized, 150-250 words)
4. CTA button text and placement
5. Personalization variables to use
6. Send timing recommendation

Include a campaign overview with:
- Overall narrative arc
- Key metrics to track
- Segmentation suggestions
- Follow-up sequence for non-responders