High-Intent Google Search Ad (PPC) Copywriter

Act as a Senior Performance Marketing Director and Google Ads Specialist.

Write high-converting Responsive Search Ads (RSAs) for:
- Product / Offer: [Describe offer, service, or product]
- Target Search Keywords: [List 3-5 target search queries, e.g. 'best ai prompt builder', 'prompt engineering software']
- Primary Differentiator: [Free tier, fastest speed, cheaper price, SOC2 compliant]

Deliver ad assets adhering strictly to Google Ads character limits:
1. 10 Compelling Headlines (Max 30 characters each):
   - 3 Keyword-Matching Headlines (Exact match relevance for high Quality Score).
   - 3 Benefit / Value Proposition Headlines.
   - 2 Social Proof / Metric Headlines (e.g. 'Over 50K Users', 'Rated 4.9/5').
   - 2 Urgent Call-To-Action Headlines (e.g. 'Try Free Today', 'Start In 2 Minutes').
   *(Include exact character count beside each headline)*
2. 4 Descriptions (Max 90 characters each):
   - Description 1: Problem + Solution focused.
   - Description 2: Benefit + Feature deep-dive.
   - Description 3: Social proof + Risk reversal (guarantee/free trial).
   - Description 4: Action-oriented CTA.
   *(Include exact character count beside each description)*
3. 4 Sitelink Extensions: Title (25 chars) + 2 description lines (35 chars each).