High-Response B2B Cold Email Sequence with 40%+ Reply Rate

Act as a seasoned B2B Sales Development Director. Generate a personalized 3-step cold email cadence targeted at VP of Engineering / CTO personas.

### Rules:
- Email 1: The Observation (under 75 words, zero fluff, pinpointing a specific technical pain point, soft interest CTA).
- Email 2: The Proof Point (follow-up after 3 days with a 1-sentence case study and quantifiable ROI metric).
- Email 3: The Graceful Breakup (asking if priorities have shifted, leaving door open with free diagnostic resource).