[
  {
    "id": "weapons_mastery",
    "name": "Weapons Mastery",
    "description": "Increases damage and accuracy with all weapons",
    "category": "combat",
    "maxLevel": 100,
    "experiencePerLevel": 1000,
    "defaultUnlocked": true,
    "icon": "fa-crosshairs",
    "bonuses": { "damage": 2, "accuracy": 1, "criticalChance": 0.5 }
  },
  {
    "id": "defense_training",
    "name": "Defense Training",
    "description": "Improves damage reduction and resistance",
    "category": "combat",
    "maxLevel": 100,
    "experiencePerLevel": 1000,
    "defaultUnlocked": true,
    "icon": "fa-shield-alt",
    "bonuses": { "damageReduction": 1.5, "resistance": 1, "health": 5 }
  },
  {
    "id": "speed_reflexes",
    "name": "Speed & Reflexes",
    "description": "Enhances movement speed and reaction time",
    "category": "combat",
    "maxLevel": 100,
    "experiencePerLevel": 1000,
    "defaultUnlocked": false,
    "requiredLevel": 5,
    "icon": "fa-bolt",
    "bonuses": { "speed": 2, "dodgeChance": 0.8, "initiative": 1 }
  },
  {
    "id": "tactical_analysis",
    "name": "Tactical Analysis",
    "description": "Reveals enemy weaknesses and improves accuracy",
    "category": "combat",
    "maxLevel": 100,
    "experiencePerLevel": 1200,
    "defaultUnlocked": false,
    "requiredLevel": 10,
    "icon": "fa-brain",
    "bonuses": { "criticalDamage": 0.05, "attack": 1 }
  }
]