untdown(); // Initial update
        countdownInterval = setInterval(updateCountdown, 1000);
      }

      function createParticles() {
        const particlesContainer = document.getElementById("particles");
        particlesContainer.innerHTML = ""; // Clear existing particles
        for (let i = 0; i < 30; i++) {
          const particle = document.createElement("div");
          particle.className = "particle";
          particle.style.width = `${Math.random() * 4 + 2}px`;
          particle.style.hei