:root {
  color-scheme: dark;
}
body {
  margin: 0;
  background: radial-gradient(ellipse at 50% 0, #401463, #16082f 60%);
  color: #fff3cd;
  font: 18px system-ui;
  min-height: 100svh;
  display: grid;
  place-items: center;
}
main {
  box-sizing: border-box;
  max-width: 540px;
  padding: 32px;
  width: 100%;
}
h1 {
  font-size: clamp(38px, 10vw, 62px);
  letter-spacing: 2px;
  margin-bottom: 24px;
}
h1 span {
  color: #ff40b4;
}
h2 {
  font-size: 28px;
}
p {
  line-height: 1.6;
  color: #c5b4dc;
}
a {
  display: block;
  background: #ffd650;
  color: #09031e;
  padding: 20px;
  border-radius: 20px;
  text-decoration: none;
  font-weight: 800;
  text-align: center;
  box-shadow: 0 5px 0 #997c25;
}
small {
  display: block;
  margin-top: 24px;
  color: #c5b4dc;
  line-height: 1.6;
}
button {
  background: transparent;
  border: 1px solid #9f7cbe;
  border-radius: 16px;
  padding: 12px 20px;
  color: #fff3cd;
  font: inherit;
}
.lights {
  display: flex;
  gap: 12px;
}
i {
  width: 20px;
  height: 20px;
  border-radius: 100%;
  background: #38e1eb;
  box-shadow: 0 0 18px #38e1eb66;
  animation: pulse 2s ease-in-out infinite;
}
i:nth-child(n + 4) {
  background: #ff40b4;
  box-shadow: 0 0 18px #ff40b466;
}
i:nth-child(3) {
  background: #ffd650;
}
i:nth-child(2n) {
  animation-delay: 0.5s;
}
[hidden] {
  display: none !important;
}
@keyframes pulse {
  50% {
    opacity: 0.35;
    transform: scale(0.85);
  }
}
@media (prefers-reduced-motion: reduce) {
  i {
    animation: none;
  }
}