Brand guidelines fail when someone tries to use them. The PDF is complete. But when a developer needs something the system didn't anticipate, there's no logic to extend from. A style guide documents what exists. A system tells you what to do next.
That mint-and-pink street scene is pure good vibes, love the sneaker detail catching the light. What drives my energy lately is seeing a rough idea actually ship instead of sitting in drafts. Momentum is its own fuel.