* {
  box-sizing: border-box;
}

html {
  background: #03020a;
}

body {
  min-width: 320px;
  margin: 0;
  color: #f8f4ff;
  background:
    radial-gradient(circle at 50% 42%, #201047 0, #090518 42%, #03020a 72%),
    #03020a;
  font-family: "Courier New", monospace;
}

main {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 56px);
}

.signal {
  width: min(100%, 820px);
}

.signal img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(89, 214, 255, 0.42);
  box-shadow:
    0 0 0 1px rgba(255, 35, 213, 0.16),
    0 24px 90px rgba(77, 0, 190, 0.36);
}

.signal-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 3px 0;
  color: #b9aeca;
  font-size: clamp(10px, 1.4vw, 12px);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.signal-footer span {
  display: flex;
  align-items: center;
  gap: 9px;
}

.signal-footer i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff36d6;
  box-shadow: 0 0 12px #ff36d6;
}

.signal-footer a {
  color: #66dcff;
  text-decoration: none;
}

.signal-footer a:hover,
.signal-footer a:focus-visible {
  color: #ff36d6;
}

@media (max-width: 520px) {
  main {
    align-items: start;
    padding: 12px;
  }

  .signal-footer {
    padding-inline: 2px;
  }
}