adding case study and increase line height of h1

pages/CaseStudies.tsx

@@ -302,7 +302,7 @@ export const CaseStudies = () => {
               Our Success Stories
             </Badge>
             <h1 className="text-4xl md:text-6xl lg:text-7xl font-semibold leading-tight mb-6">
-              <span className="text-white">Case Studies That </span>
+              <span className="text-white">Portfolios That </span>
               <span className="text-accent">Define Excellence</span>
             </h1>
             <p className="text-xl text-gray-300 leading-relaxed max-w-3xl mx-auto">