feat: port interactive mockups from website and wire into feature sections

components/marketing/mockups/funnel-mockup.tsx

@@ -0,0 +1,30 @@
+'use client'
+
+import { FunnelChart } from './funnel-chart'
+
+const funnelData = [
+  { label: 'Homepage', value: 1240 },
+  { label: 'Pricing', value: 438 },
+  { label: 'Signup', value: 87 },
+]
+
+export function FunnelMockup() {
+  return (
+    <div className="relative w-full max-w-[600px] mx-auto">
+      <div className="rounded-xl border border-white/[0.08] bg-neutral-900/80 px-10 py-6 shadow-2xl">
+        <h3 className="text-sm font-medium text-white mb-4">Funnel Visualization</h3>
+        <FunnelChart
+          data={funnelData}
+          orientation="vertical"
+          color="var(--chart-1, #FD5E0F)"
+          layers={3}
+          className="mx-auto"
+        />
+        <div className="flex items-center justify-between mt-4 pt-3 border-t border-neutral-800 text-[10px] text-neutral-500">
+          <span>Overall conversion: 7%</span>
+          <span>7-day window</span>
+        </div>
+      </div>
+    </div>
+  )
+}