*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  margin: 0;
  background: #000000;
  color: #ffffff;
}

.scrub-wrapper {
  position: relative;
  width: 100%;
}

.sticky-video-container {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

#scroll-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.overlay-text {
  position: absolute;
  text-align: center;
  z-index: 10;
  pointer-events: none;
  padding: 20px;
}

.overlay-text h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 10px;
}

.overlay-text p {
  font-size: 1.25rem;
  color: #cbd5e1;
  margin: 0;
}

.scroll-height-spacer {
  height: 400vh;
  width: 100%;
}

const video = document.getElementById("scroll-video");
const container = document.querySelector(".scrub-wrapper");

video.addEventListener("loadedmetadata", () => {
  window.addEventListener("scroll", () => {
    const rect = container.getBoundingClientRect();
    const scrollStart = rect.top;
    const scrollHeight = rect.height - window.innerHeight;
    
    let progress = -scrollStart / scrollHeight;
    progress = Math.max(0, Math.min(1, progress));
    
    if (!isNaN(video.duration)) {
      video.currentTime = progress * video.duration;
    }
  });
});