:root {
  --ink: #f4f6f8;
  --ink-soft: #c5c8ce;
  --black: #050505;
  --navy: #163a6e;
  --navy-bright: #1e4f96;
  --red: #c41230;
  --silver: #c5c8ce;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--black);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--silver);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.5rem 0.75rem;
  background: var(--ink);
  color: var(--black);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: 2.5rem 1.25rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(22, 58, 110, 0.45), transparent 26rem),
    var(--black);
}

.orbit {
  position: absolute;
  width: min(42rem, 130vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.ring {
  width: 85%;
  height: 85%;
  border-radius: 50%;
  background: conic-gradient(
    from 210deg,
    transparent 0 52%,
    var(--navy-bright) 64%,
    var(--silver) 76%,
    var(--red) 86%,
    transparent 94%
  );
  mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px));
  animation: sweep 22s linear infinite;
}

.panel {
  position: relative;
  z-index: 1;
  width: min(40rem, 100%);
  text-align: center;
  animation: rise 1.1s ease both;
}

.logo {
  display: block;
  width: min(28rem, 100%);
  margin: 0 auto 1.25rem;
}

h3 {
  margin: 0;
  margin-top: 50px;
  font-family: var(--serif);
  font-size: clamp(1rem, 1.5vw, 1rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.lede {
  font-size: small;
  max-width: 28rem;
  margin: 0.9rem auto 0;
  color: var(--ink-soft);
}

.missing {
  display: grid;
  place-items: center;
  min-height: 100%;
  padding: 3rem 1.25rem 4rem;
  text-align: center;
}

.missing h3 {
  max-width: 14ch;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.actions {
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.55rem 1.15rem;
  border: 1px solid rgba(197, 200, 206, 0.45);
  border-radius: 999px;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

.button:hover {
  border-color: var(--silver);
  background: rgba(22, 58, 110, 0.55);
}

@keyframes sweep {
  to {
    transform: rotate(360deg);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ring,
  .panel {
    animation: none;
  }
}