<https://s.mj.run/d9ZW7AhFfWU> A t-shirt mockup featuring the National Park Foundation arrowhead logo, left pure white and untouched, surrounded by a spooky, Halloween-themed design. The logo is printed on a black t-shirt, with eerie elements like twisted trees, flying bats, and glowing pumpkins surrounding the arrowhead. The design should be minimalistic but creepy, with the white arrowhead standing out sharply against the black t-shirt. Realistic fabric texture, high-definition, vector style, scalable --ar 1:1