.about {
  position: relative;
  height: 105vh;
  overflow: hidden;
  background: transparent;
  color: black;
}

.about-content {
  position: relative;
  padding: 5rem 10%;
  text-align: center;
  z-index: 1;
}

.about-text {
  position: fixed;      /* stays relative to viewport */
  top: 30%;             /* push to vertical center */
  left: 50%;            /* push to horizontal center */
  transform: translate(-50%, -50%); /* adjust back to true center */
  width: 100%;          /* optional: full screen */
  text-align: center;   /* center text inside */
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  transition: none;
}

#helix-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

@keyframes backgroundFadeIn {
  0% { background:#090909; }
  100% { background: transparent; }
}