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

html,
body {
  height: 100%;
}

body {
  overflow: hidden;
  background: #000;
  color: #f4c63d;
  font-family: system-ui, sans-serif;
}

#stars {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

main {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 100dvh;
  padding: 2rem;
}

.mark {
  position: relative;
  display: grid;
  place-items: center;
}

.mark__glow {
  position: absolute;
  width: 52%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244, 198, 61, 0.22), transparent 72%);
  filter: blur(20px);
  pointer-events: none;
  animation: glow 6s ease-in-out infinite;
}

.logo {
  position: relative;
  width: min(26rem, 78vw);
  height: auto;
  animation: fade-in 1.2s ease both;
}

h1 {
  margin-top: 0.25rem;
  font-size: clamp(0.85rem, 2.2vw, 1.05rem);
  font-weight: 500;
  letter-spacing: 0.55em;
  text-transform: uppercase;
  color: #f4c63d;
  animation: fade-in 1.2s 0.35s ease both;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes glow {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 0.65;
  }
}

@media (prefers-reduced-motion: reduce) {
  .logo,
  .mark__glow,
  h1 {
    animation: none;
  }
}