World Building Framework

Help me build a rich fictional world for [GENRE] story:

Genre: [FANTASY/SCI-FI/DYSTOPIAN/etc.]
Core concept: [THE BIG IDEA OF YOUR WORLD]
Time period: [ERA]
Tone: [DARK/HOPEFUL/SATIRICAL/EPIC]

Develop:
1. Geography and climate
2. Political systems and power structures
3. Economic systems and trade
4. Cultural norms, religion, beliefs
5. Magic system / technology (rules and limitations)
6. History (the 5 key events that shaped this world)
7. Factions in conflict
8. Daily life for common people
9. Unique details that make it memorable