Write a Win-Back Email Series

Write a win-back email series from the following inputs:

Product: [PRODUCT NAME]
Audience: [CHURNED OR INACTIVE SEGMENT]
Inactive for: [DAYS OR MONTHS]
Primary reason for churn (if known): [REASON OR UNKNOWN]
Offer you can honestly make: [DISCOUNT, FEATURE HIGHLIGHT, SUPPORT HELP, OR NONE]
Brand tone: [FRIENDLY / DIRECT / PROFESSIONAL]
Compliance notes: [UNSUBSCRIBE, REGION RULES]

Requirements:
1. Draft a 3-email series with distinct jobs: acknowledge, re-engage with value, final close or soft exit.
2. One clear CTA per email. No stacked asks.
3. Do not invent discounts, features, or guarantees. Use only the offer provided.
4. Subjects under 55 characters. Preview text under 90 characters.
5. Include a stop rule if the user reactivates or replies.

Deliverables:
1. Three emails with subject, preview text, body, and CTA.
2. A short decision note for when to send email 2 and email 3.
3. Three A/B subject alternates for email 1 only.