style: design refinements — reduce title/heading sizes, remove Scribble decorations, add image quality

- Hero title: text-7xl → text-5xl, removed text-shadow
- Removed all Scribble decorative strokes from Hero, VideoSection, products page
- PayloadRichText headings reduced by one size step
- Team page: harmonized Michael/Klaus heading sizes (both text-4xl)
- Product overview: removed min-height from hero, reduced CTA heading
- Added quality={100} to team photos, Experience and MeetTheTeam backgrounds
- Cleaned up unused Scribble imports

components/home/Experience.tsx

@@ -15,6 +15,7 @@ export default function Experience({ data }: { data?: any }) {
           fill
           className="object-cover object-center scale-105 animate-slow-zoom"
           sizes="100vw"
+          quality={100}
         />
         <div className="absolute inset-0 bg-primary/80 mix-blend-multiply" />
         <div className="absolute inset-0 bg-gradient-to-r from-primary via-primary/40 to-transparent" />