[
  {
    "id": "weapons_crafting",
    "name": "Weapons Crafting",
    "description": "Ability to craft and improve weapons",
    "category": "crafting",
    "maxLevel": 100,
    "experiencePerLevel": 800,
    "defaultUnlocked": true,
    "icon": "fa-hammer",
    "bonuses": { "craftingSpeed": 2, "craftingSuccess": 1, "rareChance": 0.5 }
  },
  {
    "id": "armor_crafting",
    "name": "Armor Crafting",
    "description": "Ability to craft and improve armor",
    "category": "crafting",
    "maxLevel": 100,
    "experiencePerLevel": 800,
    "defaultUnlocked": true,
    "icon": "fa-hard-hat",
    "bonuses": { "craftingSpeed": 2, "durabilityBonus": 3, "rareChance": 0.5 }
  },
  {
    "id": "resource_extraction",
    "name": "Resource Extraction",
    "description": "Better resource gathering and efficiency",
    "category": "crafting",
    "maxLevel": 100,
    "experiencePerLevel": 700,
    "defaultUnlocked": false,
    "requiredLevel": 4,
    "icon": "fa-gem",
    "bonuses": { "resourceBonus": 0.15, "findResources": 0.1 }
  },
  {
    "id": "engineering",
    "name": "Engineering",
    "description": "Advanced ship modifications and systems",
    "category": "crafting",
    "maxLevel": 100,
    "experiencePerLevel": 1000,
    "defaultUnlocked": false,
    "requiredLevel": 7,
    "icon": "fa-cogs",
    "bonuses": { "shipUpgrades": 0.2, "systemEfficiency": 0.1 }
  }
]