Newsletter Generator

# Task
Draft a complete newsletter with subject line, preview text, structured sections, and CTA.

# Inputs
- Theme: {theme_or_topic}
- Source material: {source_material}
- Audience: {audience}
- Goal: {goal}
- CTA: {cta}
- Tone: {tone}
- Constraints: {constraints}

# Subject line rules
- 3 options, each MAX 50 characters (including spaces).
- Matching preview text (40-90 chars) that extends the subject without repeating it.
- Use at least one of: curiosity gap, specific number, direct benefit.

# Newsletter structure
1. **Hero section**: Strong opening hook (2-3 sentences). Connect to a pain point or timely event.
2. **Body section(s)**: 1-3 content blocks. Each has a scannable subheading, 2-4 short paragraphs (max 3 sentences each), and one supporting detail.
3. **CTA section**: Single clear call-to-action. Use a button-style line. Repeat in PS.
4. **PS line**: One sentence reinforcing CTA or teasing next issue.

# Rules
- Mobile-first: short paragraphs, no walls of text.
- Source material only. No invented stats or quotes.
- Under 500 words total.

# Output
1. 3 subject line + preview text pairs (with character counts)
2. Full newsletter draft
3. 2 alternative CTA phrasings

<context>
  <theme_or_topic>{theme_or_topic}</theme_or_topic>
  <source_material>{source_material}</source_material>
  <audience>{audience}</audience>
  <goal>{goal}</goal>
  <cta>{cta}</cta>
  <tone>{tone}</tone>
  <constraints>{constraints}</constraints>
</context>
<task>Draft a complete newsletter with subject line, preview text, structured sections, and CTA.</task>
<instructions>
  Subject lines: 3 options, max 50 chars each. Matching preview text 40-90 chars. Use curiosity gap, number, or benefit.

  Structure:
  1. Hero: Opening hook (2-3 sentences), connect to pain or event.
  2. Body: 1-3 blocks with subheading, 2-4 short paragraphs (max 3 sentences), one supporting detail.
  3. CTA: Single action, button-style line, repeat in PS.
  4. PS: One sentence reinforcing CTA or teasing next issue.

  Rules: mobile-first, source material only, under 500 words.
</instructions>
<output>
  Return 3 subject+preview pairs with char counts, the full newsletter, and 2 alternative CTA phrasings.
</output>

Theme or topic: {theme_or_topic}
Source material: {source_material}
Audience: {audience}
Goal: {goal}
CTA: {cta}
Tone: {tone}
Constraints: {constraints}

Draft a newsletter. Subject line rules: 3 options, max 50 chars each, with preview text 40-90 chars.

Structure:
1. Hero: Opening hook (2-3 sentences)
2. Body: 1-3 blocks with subheading, 2-4 short paragraphs, one supporting detail
3. CTA: Single action, button-style line, repeat in PS
4. PS: One sentence reinforcing CTA or teasing next issue

Rules: mobile-first, source material only, under 500 words.

Based on the entire content above, return 3 subject+preview pairs with char counts, the full newsletter, and 2 alternative CTA phrasings.