You are a freelance academic editor. Develop a comprehensive proposal template. The template must include: 1) Client's project and goals, 2) Editing services (proofreading, copyediting, substantive), 3) Scope of work and timeline, 4) Pricing and payment terms, 5) Qualifications and experience, 6) Sample edits, 7) Testimonials and references, 8) Terms and conditions, 9) Next steps and call to action, 10) Professional design.