* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: #fff;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

.disco-lights {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}

.light {
  position: absolute;
  width: 33.6vmax;
  height: 33.6vmax;
  border-radius: 50%;
  opacity: 0.33;
  filter: blur(34px);
  transform-origin: 50% 50%;
  background: rgba(255, 120, 120, 0.72);
}

.light-a {
  top: -15vmax;
  left: -18vmax;
  animation: sweep-a 11.67s linear infinite, rainbow 16s linear infinite;
}

.light-b {
  top: 10vmax;
  right: -22vmax;
  animation: sweep-b 13.33s linear infinite, rainbow 16s linear infinite -4s;
}

.light-c {
  bottom: -20vmax;
  left: 18vmax;
  animation: sweep-c 15s linear infinite, rainbow 16s linear infinite -8s;
}

.light-d {
  bottom: -16vmax;
  right: -20vmax;
  animation: sweep-d 12.5s linear infinite, rainbow 16s linear infinite -12s;
}

.holding {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  position: relative;
  z-index: 1;
}

.logo {
  width: min(260px, 60vw);
  height: auto;
}

.message {
  margin: 14px 0 0;
  font-size: 14px;
  color: #888;
}

@keyframes sweep-a {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(68vw, 45vh) scale(1.12); }
  100% { transform: translate(120vw, 90vh) scale(1); }
}

@keyframes sweep-b {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-62vw, 34vh) scale(1.1); }
  100% { transform: translate(-120vw, 80vh) scale(1); }
}

@keyframes sweep-c {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30vw, -58vh) scale(1.08); }
  100% { transform: translate(64vw, -110vh) scale(1); }
}

@keyframes sweep-d {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-55vw, -52vh) scale(1.14); }
  100% { transform: translate(-104vw, -96vh) scale(1); }
}

@keyframes rainbow {
  0% { background-color: rgba(255, 112, 112, 0.72); }
  16% { background-color: rgba(255, 176, 107, 0.72); }
  33% { background-color: rgba(255, 230, 112, 0.72); }
  50% { background-color: rgba(119, 228, 147, 0.72); }
  66% { background-color: rgba(118, 205, 255, 0.72); }
  83% { background-color: rgba(187, 152, 255, 0.72); }
  100% { background-color: rgba(255, 112, 184, 0.72); }
}