* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #808080;
  color: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
}

.topbar {
  width: 100%;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 5vw, 56px);
  background: rgba(0, 0, 0, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.brand {
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.topnav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
}

.maintenance {
  width: min(92vw, 980px);
  margin: auto;
  text-align: center;
  padding: 40px 20px;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 8vw, 96px);
  font-weight: 800;
  line-height: 1.05;
}

p {
  margin: 28px 0 0;
  font-size: clamp(18px, 2.5vw, 28px);
  line-height: 1.4;
}

a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}