[Responsive] Improve Mobile and Tablet Experience

[csxark]

Description

Several pages require better responsive behavior.

Tasks

Improve:

• Hero
• Playground
• Docs
• Benchmark
• Challenge
• Resources

Expected Outcome

Smooth experience on all screen sizes.

Difficulty: Intermediate

[Ruchira807]

@csxark Kindly assign this issue to me under ECSOC26

[csxark]

Hi! @Ruchira807, I'm assigning this initiative to you.

A warm welcome to the CryptoViz project! We're excited to have you on board and truly appreciate your willingness to contribute. Looking forward to your creativity and meaningful contributions, especially from the branding perspective. Wishing you the very best, and happy contributing! 🚀