Please help me create high-performing email subject lines for my [CAMPAIGN_TYPE] campaign targeted at [TARGET_AUDIENCE]. Campaign context: - Email content focus: [EMAIL_CONTENT] - Primary goal: [CAMPAIGN_GOAL] - Audience pain points: [PAIN_POINTS] - Brand voice: [BRAND_VOICE] - Previous subject line performance: [PAST_PERFORMANCE] Generate 15 subject line options organized into these categories: 1) Curiosity-Driven Subject Lines: - Create 3 options that establish information gaps - Explain the psychological principle behind each - Indicate ideal usage context 2) Benefit-Focused Subject Lines: - Create 3 options highlighting specific value to recipient - Connect to relevant audience pain points - Provide value proposition clarity 3) Urgency/Scarcity Subject Lines: - Create 3 options with ethical urgency elements - Avoid false urgency tactics - Include timing considerations 4) Personalization-Optimized Subject Lines: - Create 3 options utilizing personalization elements - Provide variable insertion recommendations - Explain personalization strategy beyond just names 5) Question-Based Subject Lines: - Create 3 options using question formats - Target specific audience pain points - Ensure questions lead naturally to email content For each subject line, include: - Character count (with recommendation for rendering on mobile) - A/B testing pairing recommendations - Preview text suggestion that complements the subject Provide a testing framework to determine which subject line categories perform best with this audience for this campaign type.