Preheat your oven to 300°F (150°C).
Line an extra-large rimmed baking sheet (15x21") with parchment paper.
In a large bowl, mix the coconut, oats, pepitas, hemp hearts, chopped nuts, brown sugar, cinnamon, and salt.
Place the coconut oil in a microwave-safe bowl and microwave in 15–20 second increments until melted.
Stir in the maple syrup, peanut butter, and vanilla extract until smooth and combined.
Pour the wet mixture over the dry ingredients and stir until everything is evenly coated.
Spread the granola onto the prepared baking sheet in an even layer.
Bake for 15 minutes, then remove the sheet and stir the granola.
Return to the oven and bake for an additional 8 to 13 minutes, until the edges are just turning golden.
Note: The granola will still feel soft when you take it out, but will harden as it cools.
Let the granola cool completely on the baking sheet (about 1 hour).
Transfer it to a glass jar or airtight container.