* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", sans-serif;
  overflow: hidden;
  color: white;

  width: 100vw;
  height: 100vh;

  position: relative;
}

.scene {
  position: relative;
  width: 100vw;
  height: 100vh;
}

.background {
  position: absolute;
  inset: 0;

  background: radial-gradient(
    circle at top,
    #23365a 0%,
    #101b33 35%,
    #050814 100%
  );
}

.countdown-container {
  position: absolute;

  left: 50%;
  bottom: 22vh;

  transform: translateX(-50%);

  z-index: 10;

  text-align: center;
}

.countdown-title {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 2px;

  margin-bottom: 30px;

  opacity: 0.9;
}

#countdown {
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 500;
  letter-spacing: 2px;
  line-height: 1.2;
  opacity: 0.9;
}
#stars {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.star {
  position: absolute;

  width: 2px;
  height: 2px;

  background: radial-gradient(circle, white 0%, #dfefff 100%);

  border-radius: 50%;

  box-shadow: 0 0 6px rgba(255, 255, 255, 0.7);

  animation: twinkle 4s infinite;
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.2;
  }

  50% {
    opacity: 1;
  }
}
.shooting-star {
  position: absolute;

  width: 140px;
  height: 2px;

  border-radius: 999px;

  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 1),
    rgba(255, 255, 255, 0.5),
    transparent
  );

  filter: blur(0.4px);

  opacity: 0;

  pointer-events: none;
}

.moon {
  position: absolute;

  top: 6%;

  right: 6%;

  width: min(30vw, 120px);

  height: min(30vw, 120px);

  border-radius: 50%;

  background: radial-gradient(
    circle at 35% 35%,
    #ffffff,
    #f5f3e8 45%,
    #d8d4c5 80%
  );

  box-shadow:
    0 0 40px rgba(255, 255, 255, 0.35),
    0 0 120px rgba(180, 200, 255, 0.15);
}

#intro-screen {
  position: absolute;

  inset: 0;

  display: flex;

  justify-content: center;

  align-items: center;

  text-align: center;

  z-index: 20;
}

.intro-message {
  font-size: clamp(2rem, 8vw, 4rem);

  line-height: 1.4;

  color: white;
}