:root {
  color-scheme: dark;
  --background: #020711;
  --navy: #071a34;
  --blue: #2a74aa;
  --blue-bright: #75c8ff;
  --protocol: #164f75;
  --text-muted: #7891a8;
}

* {
  box-sizing: border-box;
}

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

body {
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(9, 40, 77, .52), transparent 42%),
    linear-gradient(145deg, var(--background), var(--navy));
  color: var(--blue-bright);
  font-family: "Courier New", Courier, monospace;
}

body::after {
  position: fixed;
  inset: 0;
  content: "";
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(0, 0, 0, .16) 4px
  );
}

#protocol-rain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .56;
}

.brand {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 1;
  width: min(88vw, 680px);
  padding: 44px 28px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(117, 200, 255, .18);
  background: rgba(2, 9, 20, .72);
  box-shadow: 0 0 90px rgba(42, 116, 170, .14);
  text-align: center;
  backdrop-filter: blur(3px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--text-muted);
  font-size: .72rem;
  letter-spacing: .36em;
}

h1 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(2.8rem, 9vw, 6.6rem);
  font-weight: 500;
  letter-spacing: .03em;
  line-height: 1;
  text-shadow: 0 0 28px rgba(42, 116, 170, .35);
}

.status {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: .67rem;
  letter-spacing: .18em;
}

.status span {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--blue-bright);
  box-shadow: 0 0 9px var(--blue-bright);
}

footer {
  position: fixed;
  right: 0;
  bottom: 22px;
  left: 0;
  z-index: 2;
  text-align: center;
}

footer a {
  color: var(--text-muted);
  font-size: .72rem;
  text-decoration: none;
}

footer a:hover,
footer a:focus-visible {
  color: var(--blue-bright);
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 540px) {
  .brand {
    padding: 34px 18px;
  }

  .eyebrow {
    letter-spacing: .24em;
  }
}

@media (prefers-reduced-motion: reduce) {
  #protocol-rain {
    display: none;
  }
}