QA | About Page Mission and Vision should be 1 Column Layout for Tablet Size

Issue: Change two column layout for sized 768 px (Tablet Size) to one column.

<img width="1582" height="954" alt="Image" src="https://github.com/user-attachments/assets/e75797a3-9ef2-418e-b148-af3fe1b7aa1e" />