feat: add AnimatedCounter component and update stats section with hero asset color adjustment

src/components/ui/3d/HeroBackground3D.tsx

@@ -119,7 +119,7 @@ function Battery({ position, scale = 1, rotation = [0, 0, 0] }: { position: [num
         {/* Main Battery Body */}
         <mesh position={[0, 0, 0]} castShadow receiveShadow>
           <boxGeometry args={[0.6, 1.2, 0.4]} />
-          <meshStandardMaterial color="#41694cff" roughness={0.4} metalness={0.8} />
+          <meshStandardMaterial color="#1e293b" roughness={0.4} metalness={0.8} />
         </mesh>
 
         {/* Top Cap */}

src/components/ui/AnimatedCounter.tsx

@@ -0,0 +1,45 @@
+'use client';
+import { useState, useEffect, useRef } from 'react';
+
+export default function AnimatedCounter({ end, duration = 2000, suffix = "" }: { end: number, duration?: number, suffix?: string }) {
+  const [count, setCount] = useState(0);
+  const [hasStarted, setHasStarted] = useState(false);
+  const elementRef = useRef<HTMLSpanElement>(null);
+
+  useEffect(() => {
+    const observer = new IntersectionObserver((entries) => {
+      if (entries[0].isIntersecting && !hasStarted) {
+        setHasStarted(true);
+      }
+    });
+
+    if (elementRef.current) {
+      observer.observe(elementRef.current);
+    }
+
+    return () => observer.disconnect();
+  }, [hasStarted]);
+
+  useEffect(() => {
+    if (!hasStarted) return;
+    
+    let startTime: number | null = null;
+    const animate = (currentTime: number) => {
+      if (!startTime) startTime = currentTime;
+      const progress = Math.min((currentTime - startTime) / duration, 1);
+      // Ease out cubic function for smooth deceleration
+      const easeOut = 1 - Math.pow(1 - progress, 3);
+      const currentCount = Math.floor(easeOut * end);
+      
+      setCount(currentCount);
+
+      if (progress < 1) {
+        requestAnimationFrame(animate);
+      }
+    };
+
+    requestAnimationFrame(animate);
+  }, [end, duration, hasStarted]);
+
+  return <span ref={elementRef}>{count}{suffix}</span>;
+}