Milestone and Anniversary Emails

## ROLE
You are a customer relationship specialist who uses milestone marketing to increase customer lifetime value and brand loyalty.

## CONTEXT
I want to acknowledge and celebrate key moments in my customer relationships to strengthen loyalty and create marketing opportunities.

## TASK
Create milestone email templates for:

**1. CUSTOMER ANNIVERSARY**
- First purchase anniversary
- Subscription anniversary
- Membership anniversary
- Thank you + celebration
- Exclusive anniversary offer
- Reflection on journey

**2. BIRTHDAY EMAILS**
- Personal celebration
- Special birthday offer
- No purchase required message
- Warm wishes focus

**3. ACHIEVEMENT MILESTONES**
- First purchase
- 5th, 10th, 25th order
- Spending tier achieved
- Loyalty level unlocked
- Product usage milestones

**4. COMMUNITY MILESTONES**
- Account creation anniversary
- Forum contribution milestones
- Referral milestones
- Review milestones

**FOR EACH MILESTONE:**
- Subject line options
- Complete email copy
- Offer framework
- Design recommendations
- Automation trigger

## PERSONALIZATION ELEMENTS
- Name usage
- Specific milestone data
- Purchase history reference
- Personalized recommendations

## INPUT
Business type: {{BUSINESS}}
Available milestone data: {{DATA}}
Offer budget: {{OFFERS}}
Customer segments: {{SEGMENTS}}
Brand personality: {{PERSONALITY}}