Update src/app/page.tsx

Merge version_1 into main

src/app/page.tsx

@@ -40,7 +40,7 @@ export default function LandingPage() {
 
       <div id="hero" data-section="hero">
         <HeroSplitDualMedia
-          title="Gravity Lab"
+          title="Master Gravity Physics with Interactive Simulations"
           description="Explore the invisible force that shapes our universe. Calculate gravitational acceleration at your location, simulate gravity on other planets, and understand how physics works with interactive real-time calculations powered by your browser."
           tag="Physics Education"
           tagIcon={Zap}