Preheat oven to 325°F (160°C). Grease and line a 9-inch springform pan with parchment.
Mix cookie crumbs, ¼ cup sugar, and melted butter. Press into pan, bake 8 minutes, then cool.
Beat cream cheese until smooth. Add 1 cup sugar, then eggs one at a time. Stir in sour cream, heavy cream, vanilla, cocoa powder, and food coloring until blended.
Pour half the batter over the crust. Drizzle with caramel, sprinkle pecans, then top with remaining batter and smooth.
Bake 55–65 minutes until edges set and center jiggles slightly. Turn off oven, crack the door, and let rest 1 hour.
Refrigerate at least 4 hours or overnight.
Warm raspberry preserves and drizzle to make “vampire bite marks.” Top with caramel and pecans if desired. Serve chilled.