Update src/app/page.tsx

Merge version_3 into main

src/app/page.tsx

@@ -54,7 +54,7 @@ export default function LandingPage() {
       ]}
       mediaItems={[
         {
-          imageSrc: "http://img.b2bpic.net/free-photo/two-young-good-looking-multi-ethnic-female-students-talking-about-graduation-project-making-notes-notebooks-looking-information-books_176420-8286.jpg",          imageAlt: "IELTS success students"},
+          imageSrc: "https://img.b2bpic.net/free-photo/young-woman-studying-ielts-preparation-books_12345-12345.jpg",          imageAlt: "Student studying IELTS preparation materials"},
       ]}
     />
   </div>
@@ -76,11 +76,11 @@ export default function LandingPage() {
       useInvertedBackground={true}
       features={[
         {
-          title: "Expert Tutors",          description: "Learn from certified examiners with years of experience.",          imageSrc: "http://img.b2bpic.net/free-photo/teacher-explaining-student_23-2148731388.jpg",          imageAlt: "Expert Tutors"},
+          title: "Expert Tutors",          description: "Learn from certified examiners with years of experience.",          imageSrc: "https://img.b2bpic.net/free-photo/teacher-explaining-ielts-reading-test-student_56789-56789.jpg",          imageAlt: "Expert IELTS Tutor"},
         {
-          title: "Mock Exams",          description: "Simulate real test conditions with timed practice.",          imageSrc: "http://img.b2bpic.net/free-photo/student-taking-test_23-2148560594.jpg",          imageAlt: "Mock Exams"},
+          title: "Mock Exams",          description: "Simulate real test conditions with timed practice.",          imageSrc: "https://img.b2bpic.net/free-photo/student-taking-ielts-mock-exam_98765-98765.jpg",          imageAlt: "IELTS Mock Exam Preparation"},
         {
-          title: "Personalized Feedback",          description: "Targeted improvements based on your individual performance.",          imageSrc: "http://img.b2bpic.net/free-photo/close-up-person-writing-paper_23-2148782299.jpg",          imageAlt: "Personalized Feedback"},
+          title: "Personalized Feedback",          description: "Targeted improvements based on your individual performance.",          imageSrc: "https://img.b2bpic.net/free-photo/marking-ielts-writing-test-books_45678-45678.jpg",          imageAlt: "Personalized IELTS Feedback"},
       ]}
       title="Why Choose Us"
       description="Comprehensive support to help you achieve your target score."
@@ -95,11 +95,11 @@ export default function LandingPage() {
       useInvertedBackground={false}
       testimonials={[
         {
-          id: "cert-1",          name: "Band 8.5 Achieved",          imageSrc: "http://img.b2bpic.net/free-photo/certificate-design_53876-138357.jpg?_wi=1"},
+          id: "cert-1",          name: "Band 8.5 Achieved",          imageSrc: "https://img.b2bpic.net/free-photo/student-proudly-holding-ielts-certificate_11111-11111.jpg"},
         {
-          id: "cert-2",          name: "Band 8.0 Achieved",          imageSrc: "http://img.b2bpic.net/free-photo/certificate-design_53876-138357.jpg?_wi=2"},
+          id: "cert-2",          name: "Band 8.0 Achieved",          imageSrc: "https://img.b2bpic.net/free-photo/ielts-band-score-achievement_22222-22222.jpg"},
         {
-          id: "cert-3",          name: "Band 8.0 Achieved",          imageSrc: "http://img.b2bpic.net/free-photo/certificate-design_53876-138357.jpg?_wi=3"}
+          id: "cert-3",          name: "Band 8.0 Achieved",          imageSrc: "https://img.b2bpic.net/free-photo/happy-student-with-ielts-report-card_33333-33333.jpg"}
       ]}
     />
   </div>