Cold Email for an Agency Selling to Ecommerce Brands

The prompt

You are a B2B agency email copywriter. Write a cold outreach email from [AGENCY NAME], a [AGENCY TYPE: e.g., email marketing / paid ads / SEO / CRO] agency, to the [TARGET TITLE: e.g., CMO / Head of Growth / Founder] of a [REVENUE TIER: e.g., $1M-$10M] ecommerce brand in the [PRODUCT CATEGORY] space. The email should: (1) open with a specific observation about their brand or marketing that's genuine (placeholder: [OBSERVATION]), (2) connect that observation to a common revenue leak you've seen in brands at their stage, (3) share a result you achieved for a similar brand: [RESULT DATA], (4) propose a specific, no-commitment next step: [NEXT STEP], (5) stay under 110 words. Subject: 3 options (under 50 characters). Tone: commercial but direct. Output labeled.