feat: Update CTA section content for better engagement

[akshay0611]

Summary: This PR updates the CTA section to fix a spelling error and improve the section title for better engagement. The changes aim to create a more compelling call-to-action for visitors.

Changes Made:

• Corrected the spelling of "Dentail" to "Dental" in the subtitle.
• Rewrote the section title to emphasize the clinic's focus on patient care and encourage action.
• Ensured alignment with existing CSS styles and framework conventions.

Testing:

• Verified responsiveness across different screen sizes.
• Ensured proper rendering of the CTA section and its content.

Related Issue: Closes #13