UI fixes (colors, favicon) and codebase comment cleanup

components/sections/FeaturedPost.tsx

@@ -29,7 +29,6 @@ export function FeaturedPost({ post }: FeaturedPostProps) {
   return (
     <div className="group relative rounded-2xl overflow-hidden bg-white border border-border shadow-sm hover:shadow-lg transition-all duration-300">
       <div className="flex flex-col md:flex-row">
-        {/* Obraz */}
         <div className="relative w-full md:w-3/5 aspect-video md:aspect-auto md:min-h-[400px]">
           <Image
             src={post.image || '/images/hero/hero-section-image.webp'}
@@ -43,8 +42,6 @@ export function FeaturedPost({ post }: FeaturedPostProps) {
             </span>
           </div>
         </div>
-
-        {/* Treść */}
         <div className="p-8 md:p-12 flex flex-col justify-center w-full md:w-2/5">
           <div className="flex items-center gap-4 text-text-muted text-sm font-medium mb-4">
             <div className="flex items-center gap-1.5">