fix(pitch-deck): KPICard NaN for string values, remove cap-table + Land&Expand

- KPICard: accept string values (e.g. "380+") without NaN
- Remove cap-table slide from order + sidebar
- Remove Land & Expand arrow from Pricing slide

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

pitch-deck/components/ui/KPICard.tsx

@@ -6,7 +6,7 @@ import AnimatedCounter from './AnimatedCounter'
 
 interface KPICardProps {
   label: string
-  value: number
+  value: number | string
   prefix?: string
   suffix?: string
   decimals?: number
@@ -43,7 +43,7 @@ export default function KPICard({
       <p className="text-[10px] uppercase tracking-wider text-white/40 mb-1 text-center">{label}</p>
       <div className="flex items-end justify-center gap-2">
         <p className="text-2xl font-bold text-white leading-none">
-          <AnimatedCounter target={value} prefix={prefix} suffix={suffix} duration={1200} decimals={decimals} />
+          {typeof value === 'string' ? `${prefix}${value}${suffix}` : <AnimatedCounter target={value} prefix={prefix} suffix={suffix} duration={1200} decimals={decimals} />}
         </p>
         {trend !== 'neutral' && (
           <span className={`flex items-center gap-0.5 text-xs pb-0.5 ${trend === 'up' ? 'text-emerald-400' : 'text-red-400'}`}>