categories_stz_caerulenite = {
	icon = "gfx/interface/icons/technologies/categories/stz_categories_caerulenite.dds"

	weight_modifier = {
		factor = 1
		complex_trigger_modifier = {
			trigger = num_researched_techs_of_tier
			parameters = {
				tier = 5
				value > 4
			}
			mode = add
			mult = 1
		}
	}
}

categories_stz_viridisium = {
	icon = "gfx/interface/icons/technologies/categories/stz_categories_viridisium.dds"
}