style: update dark theme to neutral anthracite and add technical monospace section labels

src/blocks/FinalCTA/Component.tsx

@@ -9,9 +9,8 @@ export const FinalCTABlock: React.FC<Props> = ({ title, subtitle, buttonText })
   return (
     <section className="py-20 md:py-28 bg-card border-y border-border text-center">
       <div className="container-premium max-w-3xl mx-auto">
-        <div className="inline-flex items-center gap-2 px-3.5 py-1.5 rounded-full bg-accent/10 border border-accent/20 text-accent text-xs sm:text-sm font-semibold tracking-wide mb-6">
-          <MessageCircle size={16} />
-          <span>Szybki i bezpośredni kontakt</span>
+        <div className="font-mono text-sm md:text-base font-bold text-accent tracking-widest uppercase mb-4">
+          // Kontakt
         </div>
 
         <h2 className="font-heading text-3xl sm:text-4xl md:text-5xl font-extrabold text-foreground tracking-tight mb-4 leading-tight">