Point color, radius, stroke, focus, and type tokens at the Figma scale so later sections use the same values.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/unit/Step.test.jsx

@@ -86,7 +86,7 @@ describe("Step Component", () => {
       .getByText("Test Card Text")
       .closest("div").parentElement;
     expect(card).toHaveClass(
-      "bg-[var(--color-surface-inverse-primary)]",
+      "bg-[var(--color-surface-invert-primary)]",
       "shadow-lg",
     );
   });