body {
  background: #000;
  color: #fff;
  font-family: 'Inter', Arial, sans-serif;
  margin: 0;
  height: 100vh;
  overflow: hidden;
}
.corner-top-left {
  position: fixed;
  top: 30px;
  left: 40px;
  font-weight: 700;
  letter-spacing: 3px;
  font-size: 1.2rem;
  color: #fff;
  z-index: 10;
  opacity: 0.75;
}
.main-content {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.launch-text {
  position: relative;
  font-size: 7vw;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-align: center;
  letter-spacing: -4px;
  z-index: 2;
}
#cube-canvas {
  position: absolute;
  left: 50%;
  top: 55%;
  transform: translate(-50%, -50%);
  width: 270px;
  height: 270px;
  pointer-events: none;
  z-index: 10;
}
.corner-bottom-right {
  position: fixed;
  bottom: 40px;
  right: 40px;
  max-width: 350px;
  font-size: 1.1rem;
  color: #fff;
  opacity: 0.8;
  line-height: 1.45;
  text-align: right;
}
@media (max-width: 900px) {
  .launch-text { font-size: 2.5rem; }
  .corner-bottom-right, .corner-top-left { font-size: 1rem; }
  #cube-canvas { width: 150px; height: 150px; }
}