Write a Twitter/X thread about {{topic}}.

Goal: {{goal}}
Audience: {{audience}}
Length: {{n_tweets}} tweets

Rules:
- Tweet 1 is the hook. It must work standalone. No "1/" or "thread 👇".
- Each tweet under 280 chars
- One clear idea per tweet
- Last tweet: CTA or memorable line
- Plain text. No emojis unless I ask.