Slow fade-in for heritage image

Extended the first image fade-in animation duration to 4s, added a subtle scale effect, and adjusted transform targets for both visible and hidden states to create a slower, smoother entrance.

X-Lovable-Edit-ID: edt-8275d954-1f3f-4a2e-8939-29fe700dfc1c

src/components/HeritageSection.tsx

@@ -61,10 +61,10 @@ const HeritageSection = () => {
         {/* Heritage Hero */}
         <div
           ref={heroRef}
-          className={`transition-all duration-[2500ms] ease-out ${
+          className={`transition-all duration-[4000ms] ease-out ${
             heroVisible
-              ? "opacity-100 translate-y-0"
+              ? "opacity-100 translate-y-0 scale-100"
-              : "opacity-0 translate-y-16"
+              : "opacity-0 translate-y-24 scale-95"
           }`}
         >
           {/* Image */}