:root {
  --bg: #05080d;
  --panel: #09111b;
  --text: #eef5fb;
  --muted: #91a2b5;
  --blue: #163cff;
  --line: rgba(255,255,255,.08);
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(
      circle at 50% 25%,
      rgba(22,60,255,.13),
      transparent 34%
    ),
    var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

.maintenance {
  width: min(700px, 100%);
  padding: 70px 36px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(9,17,27,.88);
  box-shadow: 0 30px 90px rgba(0,0,0,.35);
}

.brand {
  margin-bottom: 42px;
}

.brand strong {
  display: block;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: .18em;
}

.brand span {
  display: block;
  margin-top: 7px;
  color: #647cff;
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .52em;
}

.accent {
  width: 46px;
  height: 3px;
  margin: 0 auto 30px;
  border-radius: 999px;
  background: var(--blue);
  box-shadow: 0 0 22px rgba(22,60,255,.6);
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  line-height: 1;
  letter-spacing: -.04em;
}

p {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

@media (max-width: 600px) {
  .maintenance {
    padding: 50px 24px;
  }
}