Email Subject Line Generator

Generate compelling email subject lines.

**Email Purpose:** ${{PURPOSE}}
**Email Content Summary:** ${{CONTENT_SUMMARY}}
**Target Audience:** ${{AUDIENCE}}
**Brand Voice:** ${{VOICE}}
**Industry:** ${{INDUSTRY}}
**Any Offers/Numbers:** ${{OFFERS_NUMBERS}}

Generate 50 subject line variations across categories:

**Curiosity-Driven (10):**
- Open loops
- Questions
- Intriguing statements
- "Secret" reveals

**Benefit-Focused (10):**
- Clear value proposition
- Problem-solution
- Results-oriented
- Transformation promise

**Urgency/Scarcity (10):**
- Time-limited
- Quantity-limited
- FOMO triggers
- Deadline-driven

**Personalized (10):**
- Name personalization
- Behavior-based
- Location-based
- Interest-based

**Pattern Interrupt (10):**
- Unexpected format
- Humor
- Controversy (mild)
- Story hooks

**For Each Subject Line:**
- Character count
- Emoji recommendation (yes/no)
- Preview text pairing
- Best use case

**A/B Testing Recommendations:**
- Which pairs to test
- Statistical significance needs
- Testing timeline
- Winner criteria