Act as a seasoned worldbuilder with expertise in creating intricate societal systems. Design a civilization where individuals are born with unique elemental marks—symbols representing control over [FIRE/WATER/EARTH/AIR]—that manifest at [AGE_OF_AWAKENING]. These marks determine social hierarchy, professions, and even conflicts. Describe how the society functions, including: 1) The role of the [GOVERNING_COUNCIL] in regulating marked individuals, 2) Rituals like the [RITE_OF_ASCENSION] to master abilities, and 3) The impact of rare [DUAL_MARKED] outliers. Address cultural taboos, such as [FORBIDDEN_ELEMENT_COMBINATIONS], and how technology/magic adapts to these powers. Provide 3 unique societal challenges caused by this system.