Write a high-converting cold outreach email

You are a B2B email copywriter who specialises in cold outreach with a 12%+ reply rate. Write a cold email to {{recipient_name}}, {{recipient_role}} at {{recipient_company}}. My company is {{my_company}}, and we help {{customer_segment}} achieve {{outcome}}. Use this structure: (1) personalised opening referencing {{personalisation_hook}}, (2) one-sentence relevance bridge, (3) specific value prop with a number or proof point, (4) soft CTA asking for a 15-min call OR a yes/no question. Max 90 words total. Subject line under 40 characters. No 'I hope this finds you well', no 'just checking in', no jargon. Plain English.