Four Card Feature Section – CUBE CSS & BEM Implementation

What are you most proud of, and what would you do differently next time?

I am most proud of the architectural decisions behind this implementation.

Instead of focusing solely on visual replication, I structured the project using CUBE CSS principles to ensure clear separation between layout, components, and utilities. The grid placement logic lives in the Composition layer, while the Card component remains self-contained and portable.

I also implemented a design token system for spacing, typography, and colors to improve consistency and maintainability.

If I were to iterate on this project, I would:

• Introduce CSS Layers (@layer) to enforce architectural boundaries
• Explore container queries to reduce breakpoint dependency
• Refine the token system into a more complete design foundation
• Extract layout primitives into reusable components for a larger design system

What challenges did you encounter, and how did you overcome them?

The main challenge was building a responsive asymmetric grid layout while keeping the Card component independent from layout responsibilities.

To solve this, I carefully separated concerns:

• Layout responsibilities were handled in the Composition layer
• Component styling remained within the Block layer
• Variants were implemented using BEM modifiers

Another challenge was maintaining consistent spacing and visual rhythm across breakpoints. I addressed this by defining a structured spacing scale with design tokens and reusable stack/box composition utilities.

What specific areas of your project would you like help with?

I would appreciate feedback on:

• Whether my implementation of CUBE CSS would scale effectively in production-level applications
• Best practices for balancing BEM modifiers and utility classes
• Improvements in structuring design tokens for larger systems
• Suggestions to simplify the grid strategy while maintaining architectural integrity
• Opportunities to make the layout more resilient and adaptable