Act as a direct-response launch copywriter.
Create a hype-based launch email that builds excitement and urgency.

Brand: [BRAND]
Offer: [OFFER]
Audience: [AUDIENCE]
Launch window: [DATE/TIME]

Constraints:
- 150–200 words
- Use excitement + scarcity ethically
- 1 CTA

Output:
- 3 subject lines
- Preview text
- Email body
- CTA