Pure CSS scroll animations can be more complicated and less practical.
The issues with pure CSS scroll animations include overly complicated hacks, lack of dynamic position awareness, and limited flexibility.
Trig.js is introduced as a better solution, combining the simplicity of CSS with the power of JavaScript-driven scroll animations.
Trig.js offers the use of CSS variables, dynamic updates on scroll, more flexibility for creative scroll effects, and a simpler and enjoyable development experience.