feat(home): redesign homepage sections according to TO-FIX requirements

- Translate intro tagline and section headers to English
- Update home metrics to reflect international publications, patents, and standards
- Revamp Research Projects section with AIoT & AI-RAN, MCM, and MVQM projects
- Update NRF standards track label to National Research Foundation of Korea
- Reconstruct Research Areas section into 14-topic responsive card grid with 2-line header
- Add International Standardizations section with global SDO listings and link
- Add mobile max-w 500px, horizontal centering, and 30px vertical margin to hero composition
- Update E2E test assertions for new content and structure

refer_landing_page/app/_components/ProjectPageView.tsx

@@ -17,11 +17,11 @@ export function ProjectPageView() {
             </span>
           </div>
           <h2 className="font-serif text-2xl sm:text-3xl font-normal text-ink">
-            주요 연구 프로젝트 (Research Projects)
+            Research Projects
           </h2>
         </div>
         <p className="text-xs text-ink-mute font-mono">
-          총 {researchProjects.length}개 핵심 국제/국내 표준화 연구 과제
+          {researchProjects.length} core international standardization research projects
         </p>
       </div>