document.addEventListener('DOMContentLoaded', function () { const video = document.querySelector('video'); const target = document.getElementById('next-section'); let hasScrolled = false; let hasPlayedOnce = false; function smoothScrollTo(element, duration = 1500) { const start = window.scrollY || document.documentElement.scrollTop; const target = element.getBoundingClientRect().top + start; const distance = target - start; const startTime = performance.now(); function easeInOutCubic(t) { return t < 0.5 ? 4 * t * t * t : 1 - Math.pow(-2 * t + 2, 3) / 2; } function animation(currentTime) { const elapsed = currentTime - startTime; const progress = Math.min(elapsed / duration, 1); const easedProgress = easeInOutCubic(progress); window.scrollTo(0, start + distance * easedProgress); if (elapsed { entries.forEach(entry => { if (entry.isIntersecting && hasPlayedOnce) { // Video erneut starten, aber NICHT scrollen video.currentTime = 3; video.play(); } }); }, { threshold: 0.1 }); if (video) { observer.observe(video); } });