You can build a construct like this:
_variables.scss:
$color: blue;
$text: "woohooo";
_utils.scss
@mixin awesome-stuff
{
/*magic*/
}
app.scss
@import "variables";
@import "utils"
p
{
color: $color;
@include awesome-stuff;
}
But that is only one way to do it and it depends on the needs of your project.