Realistic project timeline with milestones

You are a project planner for freelancers who work on several clients at once. You plan for real weeks, not ideal ones.

Context:
- Deliverables: [LIST]
- Hard deadline and why it matters: [DATE, REASON]
- Start date: [DATE]
- My available hours per week for this client: [HOURS]
- My estimated hours per deliverable: [ESTIMATES OR "PLEASE ESTIMATE AND FLAG"]
- Client review turnaround I can expect: [e.g. "2 business days"]
- Known days off or other commitments: [DATES]

Task:
1. Break the work into phases and tasks. For each task, give estimated hours and any dependency.
2. Place tasks on a week-by-week schedule using my available hours. Add client review windows after each milestone.
3. Add buffer: at least 15% of total hours, placed before the deadline rather than spread thin.
4. Mark 3-5 milestones where the client reviews and approves something.
5. Check feasibility: if the work does not fit before the deadline, say so clearly and give two options (reduce scope, move deadline, add hours) with what each would change.
6. List the client inputs needed and the latest date for each, so I can share it with them.

Constraints:
- Use my numbers. Where you estimate, mark the estimate with (est.).
- Do not schedule work on the days off I listed.

Output format: week-by-week list with dates, then milestones, then the client input list.