body {
  position: relative;
  overflow-x: hidden;
  background: #020617;
}

.star-background {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 8% 28%, rgba(34, 211, 238, .22), transparent 28%),
    radial-gradient(circle at 86% 42%, rgba(139, 92, 246, .18), transparent 32%),
    radial-gradient(circle at 50% 90%, rgba(251, 146, 60, .12), transparent 30%),
    #020617;
}

.star-grid {
  position: absolute;
  inset: 0;
  opacity: .38;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black 0%, black 62%, transparent 100%);
}

.star-gradient {
  position: absolute;
  border-radius: 999px;
  filter: blur(70px);
  opacity: .75;
  animation: starFloat 12s ease-in-out infinite alternate;
}

.star-gradient-1 {
  left: -120px;
  top: 160px;
  width: 420px;
  height: 420px;
  background: rgba(34, 211, 238, .20);
}

.star-gradient-2 {
  right: -140px;
  top: 180px;
  width: 520px;
  height: 520px;
  background: rgba(124, 58, 237, .20);
  animation-delay: -4s;
}

.star-field {
  position: absolute;
  inset: 0;
}

.star {
  position: absolute;
  width: var(--size);
  height: var(--size);
  left: var(--x);
  top: var(--y);
  border-radius: 999px;
  background: var(--color);
  opacity: var(--opacity);
  box-shadow: 0 0 14px var(--color);
  animation:
    starTwinkle var(--duration) ease-in-out infinite,
    starDrift var(--drift) linear infinite;
  animation-delay: var(--delay);
}

.shooting-stars span {
  position: absolute;
  top: var(--top, 20%);
  left: -180px;
  width: 160px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.95), transparent);
  transform: rotate(-18deg);
  opacity: 0;
  filter: drop-shadow(0 0 10px rgba(34,211,238,.65));
  animation: shootingStar 7s linear infinite;
}

.shooting-stars span:nth-child(1) {
  --top: 18%;
  animation-delay: 1s;
}

.shooting-stars span:nth-child(2) {
  --top: 42%;
  animation-delay: 4s;
}

.shooting-stars span:nth-child(3) {
  --top: 68%;
  animation-delay: 7s;
}

@keyframes starTwinkle {
  0%, 100% {
    opacity: calc(var(--opacity) * .45);
    transform: scale(.85);
  }

  45% {
    opacity: var(--opacity);
    transform: scale(1.25);
  }

  70% {
    opacity: calc(var(--opacity) * .7);
    transform: scale(1);
  }
}

@keyframes starDrift {
  from {
    translate: 0 0;
  }

  to {
    translate: 20px -34px;
  }
}

@keyframes shootingStar {
  0% {
    transform: translateX(0) translateY(0) rotate(-18deg);
    opacity: 0;
  }

  8% {
    opacity: 1;
  }

  22% {
    opacity: 0;
  }

  100% {
    transform: translateX(130vw) translateY(220px) rotate(-18deg);
    opacity: 0;
  }
}

@keyframes starFloat {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }

  to {
    transform: translate3d(30px, -24px, 0) scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .star,
  .shooting-stars span,
  .star-gradient {
    animation: none !important;
  }
}

header,
main,
footer {
  position: relative;
  z-index: 1;
}