feat: enhance testimonials section with infinite scrolling carousel

[Pranav-IIITM]

Summary

Transforms the static testimonials section into a modern horizontally
scrolling infinite carousel with smooth animations and hover effects.

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Changes Made

index.html

• Wrapped testimonial cards inside a .testimonial-track-wrap div
• Duplicated cards to enable seamless infinite loop animation
• Added aria-hidden="true" on duplicate cards for accessibility

style.css

• Added .testimonial-track-wrap styles with overflow hidden and
  fade edge effect using mask-image
• Added @keyframes scroll-left for infinite horizontal scroll animation
• Added hover pause: animation stops when user hovers over the section
• Added hover effects on individual cards: translateY + scale + shadow lift
• Removed old static flexbox layout from .testimonial-cards

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Features Implemented

• ✅ Infinite horizontal auto-scrolling carousel
• ✅ Smooth CSS animation (no JavaScript, no external libraries)
• ✅ Pauses on hover for readability
• ✅ Scale + shadow hover effect on individual cards
• ✅ Fade edges using mask-image for a polished look
• ✅ Fully responsive on desktop and mobile
• ✅ Accessible — duplicate cards marked with aria-hidden
• ✅ Consistent with existing color palette and design theme

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Related Issue

Closes #56

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Screen Recording

Infinite.scrolling.carousel.mp4

[Pranav-IIITM]

Hi @PatelHarsh2006,

I’ve completed the implementation for the testimonials section enhancement and opened the PR.

Implemented:

• Infinite horizontal scrolling carousel
• Smooth auto-scroll animation
• Hover pause interaction
• Card hover effects with scale/shadow
• Responsive layout improvements
• Accessibility support using aria-hidden for duplicated cards

PR: #132

I’d appreciate it if you could review the changes and share any feedback or requested improvements. Thanks!

[Pranav-IIITM]

Hi @PatelHarsh2006, could you please review this PR when you get a chance?

The testimonials section has been upgraded into an infinite scrolling carousel with smooth animations, hover pause interaction, responsive behavior, and accessibility improvements.

Thanks!

[Pranav-IIITM]

@PatelHarsh2006 Please review the PR

[Pranav-IIITM]

Hi @PatelHarsh2006,

Could you please review PR #132 when you have a chance?

It adds an infinite scrolling testimonials carousel with smooth animations, hover pause, responsive design, and accessibility improvements.

Thank you!

[PatelHarsh2006]

@Pranav-IIITM Please Resolve conflicts, by syncing the Current Branch

[Pranav-IIITM]

@PatelHarsh2006 Review the PR