fix(pitch-deck): remove Kernmarkt label, pricing from product, bigger disclaimer

- BusinessModel: remove "Kernmarkt" text, stronger highlight (shadow+border)
- Product: remove Pricing kachel, split Deployment into 2 side-by-side
  cards (Cloud + Privacy Hardware), larger text
- Executive Summary: disclaimer font size increased (9px→11px, 10px→12px)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

pitch-deck/components/slides/BusinessModelSlide.tsx

@@ -76,12 +76,7 @@ export default function BusinessModelSlide({ lang }: BusinessModelSlideProps) {
           <div className="grid grid-cols-3 gap-3">
             {tiers.map((tier, idx) => (
               <FadeInView key={idx} delay={0.1 + idx * 0.1}>
-                <GlassCard hover={false} className={`p-4 h-full ${tier.highlight ? 'border-indigo-500/30 bg-indigo-500/5' : ''}`}>
-                  {tier.highlight && (
-                    <div className="text-[11px] font-bold text-indigo-400 uppercase tracking-wider mb-2">
-                      {de ? 'Kernmarkt' : 'Core Market'}
-                    </div>
-                  )}
+                <GlassCard hover={false} className={`p-4 h-full ${tier.highlight ? 'border-indigo-500/40 bg-indigo-500/10 shadow-lg shadow-indigo-500/10' : ''}`}>
                   <h3 className="text-base font-bold text-white mb-0.5">{tier.name}</h3>
                   <p className="text-xs text-white/40 mb-2">{tier.target}</p>
                   <p className="text-xs text-white/30 mb-3">{tier.employees} {de ? 'Mitarbeiter' : 'employees'}</p>