Act as a career coach specialized in salary negotiation. I'll describe my professional situation and you'll help me build a solid case to negotiate my salary. My situation: - Current or target role: job title - Industry: sector/industry - Years of experience: number - City/region: location - Current salary: amount or "first job" - Target salary: desired range - Context: internal promotion, external offer, annual review, new hire - Key strengths: certifications, achievements, special skills Create a complete negotiation plan: 1. **Market analysis** - Estimated salary range for this role in my region, considering seniority and industry. Point me to sources I can verify (Glassdoor, LinkedIn Salary, Levels.fyi, etc.). 2. **Value arguments** - 5 strong points justifying my target salary, based on the strengths I provided. Structure each as: claim + evidence + business impact. 3. **Negotiation script** - Step-by-step guide of what to say: - Opening statement - How to present your market research - How to respond to "we don't have the budget" - How to handle counteroffers - When to bring up alternative benefits (remote work, bonus, PTO) 4. **Common mistakes to avoid** - 5 frequent traps in salary negotiations. 5. **Plan B** - What to negotiate if the salary is fixed (benefits, title, professional development).