fix: CTA light variant uses text-cream (text-base collides with Tailwind fontSize)

components/primitives/CTA.tsx

@@ -1,6 +1,6 @@
 type Variant = 'light' | 'dark';
 const styles: Record<Variant, string> = {
-  light: 'bg-ink text-base hover:bg-ink/90',
+  light: 'bg-ink text-cream hover:bg-ink/90',
   dark: 'bg-gold-bright text-ink hover:bg-gold-bright/90',
 };