Allow the use of the calc() function when defining the value of custom variables. For example:
Define Variable A as 100vw
Define Variable B as 20px
Define Variable C using calc(var(--Variable-A) - var(--Variable-B)), resulting in 100vw - 20px
Callum Brown
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This is a missing piece to variables. The introduction of variable modes was very helpful but without being able to define variables using another variable as an input the system is incomplete.
The designer already lets you type custom values in the style panel e.g. calc() or use a pre-defined variable. However variables can only be defined as absolute values or as an alias to another variable.
To this day, I still can't believe Webflow doesn't support it; it's an indispensable tool for me while coding websites.
I constantly rely on this when building sites with code, and I'm surprised Webflow doesn't support it yet!