//start on hover gradient effect
document.addEventListener("DOMContentLoaded", function () {
  const cards = document.querySelectorAll('.sk-performance-feature-card');
  const gradientBox = document.querySelector('.gradient-box');
  const container = document.querySelector('.sk-enterprise-performance-features');

  if (!cards.length || !gradientBox || !container) return; 

  cards.forEach(card => {
    card.addEventListener('mouseenter', () => {
      const cardRect = card.getBoundingClientRect();
      const containerRect = container.getBoundingClientRect();

      const targetTop = cardRect.top - containerRect.top;
      const targetLeft = cardRect.left - containerRect.left;

     
      gradientBox.style.transition = 'none';
      gradientBox.style.top = '100%';
      gradientBox.style.opacity = '0';

      void gradientBox.offsetWidth; 

      gradientBox.style.transition = 'transform 0.5s ease, opacity 0.4s ease, left 0.4s ease, top 0.4s ease';
      gradientBox.style.left = `${targetLeft + cardRect.width / 2 - 150}px`;
      gradientBox.style.top = `${targetTop + cardRect.height / 2 - 150}px`;
      gradientBox.style.opacity = '1';
      gradientBox.style.transform = 'translateY(0)';
    });

    card.addEventListener('mouseleave', () => {
      gradientBox.style.opacity = '0';
      gradientBox.style.transform = 'translateY(100%)';
    });
  });
});       
//end hover gradient effect