feat(pdf): name KLZ_PATHS and use visible blue fill for letterpress mask layer

lib/pdf-business-card.tsx

@@ -48,6 +48,9 @@ export interface PDFBusinessCardProps {
   variant?: 'blue' | 'white' | 'black';
 }
 
+// Die Buchstaben K, L, Z im SVG (inklusive dem kleinen Stück vom Z oben links)
+export const KLZ_PATHS = [25, 26, 27, 28, 29];
+
 // Mintel Aesthetics Colors - EXACT PROD COLORS
 const COLORS = {
   primary: '#011dff', // Brand Royal Blue
@@ -782,18 +785,12 @@ export const PDFBusinessCard: React.FC<PDFBusinessCardProps> = ({
           <VectorLogo
             paths={getFrontLogoPaths()}
             style={styles.frontLogo}
-            pathOverrides={{
-              25: COLORS.primary,
-              26: COLORS.primary,
-              27: COLORS.primary,
-              28: COLORS.primary,
-              29: COLORS.primary,
-            }}
+            pathOverrides={KLZ_PATHS.reduce((acc, idx) => ({ ...acc, [idx]: COLORS.blue }), {})}
           />
 
           {/* Letterpress Mask Layer: We use #ff00fe as a marker color. Only the "KLZ" letters! */}
           <VectorLogo
-            paths={getFrontLogoPaths().slice(25, 30)}
+            paths={getFrontLogoPaths().filter((_, i) => KLZ_PATHS.includes(i))}
             style={[styles.frontLogo, { position: 'absolute' }]}
             overrideColor="#ff00fe"
           />