Function initScrollBehavior

docs/javascripts/header-scroll.js:50–64

* Initialize scroll behavior

()

   * Initialize scroll behavior
   */
  function initScrollBehavior() {
    // Add scroll event listener
    window.addEventListener('scroll', handleScroll, { passive: true });

    // Handle initial scroll position
    handleScroll();

    // Handle page navigation (for SPA-like behavior in Material)
    document.addEventListener('DOMContentLoaded', handleScroll);

    // Handle instant navigation if enabled
    if (typeof app !== 'undefined' && app.location$) {
      app.location$.subscribe(handleScroll);
    }
  }

  /**
   * Cleanup function