Refactor dark mode implementation and improve styling consistency

[SRSoham]

Changes Made

This PR refactors and improves the previous dark mode implementation after review feedback from the earlier PR (#248).

Improvements

• Refactored dark mode styling to use scoped [data-theme="dark"] component-based overrides
• Reduced unnecessary global overrides and excessive !important usage
• Improved maintainability and readability of dark mode CSS architecture
• Fixed UI inconsistencies across multiple sections of the application
• Improved contrast, readability, and accessibility in dark mode
• Cleaned up duplicated/redundant styling where possible

Updated Components

• Hero section
• Feature cards
• Buttons and interactive elements
• Form sections and inputs
• GitHub import button
• Skill strip / tech stack marquee
• Cards, labels, and support sections
• Dark mode icon styling

Fixes

• Fixed overflow/layout issues in skill-strip section
• Fixed light backgrounds appearing in dark mode
• Fixed inconsistent card/button appearance
• Improved dark mode responsiveness and visual consistency
• Corrected text visibility issues in dark theme

Previous PR

This PR continues and refines the earlier dark mode implementation:

• Previous PR: Improved dark mode UI consistency across the application. #248

Testing

Tested locally for:

• Dark/light theme switching
• Desktop responsiveness
• Form visibility and readability
• Buttons/cards/labels consistency
• Hero and feature sections
• Skill strip layout and overflow behavior

[vercel]

@SRSoham is attempting to deploy a commit to the komalsony234-1530's projects Team on Vercel.

A member of the Team first needs to authorize it.

[SRSoham]

Hi @komalharshita,
Addressed the review feedback from the previous PR by refactoring the dark mode implementation into a cleaner component-based structure.

Key updates:

• replaced large global overrides with scoped [data-theme="dark"] styling
• reduced unnecessary !important usage
• improved consistency across cards, forms, buttons, hero sections, and skill-strip components
• fixed contrast/readability issues in dark mode
• cleaned up duplicated and redundant styling
• fixed layout and overflow issues in the tech stack section

Tested locally for theme switching, responsiveness, and UI consistency across major sections.