Is Injective layer 1 or 2?

Could you please clarify whether Injective Protocol falls under the category of Layer 1 or Layer 2 solutions in the blockchain ecosystem? Layer 1 typically refers to the main blockchain protocol itself, while Layer 2 is often associated with scalability solutions built on top of Layer 1. Given the complexities and evolving nature of blockchain technology, it's important to have a clear understanding of these distinctions. Thank you for your assistance in clarifying this matter.