:root {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f6f8;
  color: #1f2937;
}

* {
  box-sizing: border-box;
}

body {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  padding: 24px;
  place-items: center;
  background: linear-gradient(135deg, #f8fafc, #e8eef5);
}

.maintenance-card {
  width: 100%;
  max-width: 620px;
  padding: 64px 48px;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
  text-align: center;
}

.icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  border-radius: 50%;
  color: #ffffff;
  background: #2563eb;
  font-size: 32px;
  line-height: 64px;
}

.label {
  margin: 0 0 14px;
  color: #2563eb;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 8vw, 4rem);
  line-height: 1.05;
}

.message {
  max-width: 430px;
  margin: 22px auto 0;
  color: #64748b;
  font-size: clamp(1rem, 3vw, 1.125rem);
  line-height: 1.7;
}

@media (max-width: 520px) {
  body {
    padding: 16px;
  }

  .maintenance-card {
    padding: 48px 24px;
    border-radius: 16px;
  }

  .icon {
    width: 56px;
    height: 56px;
    font-size: 28px;
    line-height: 56px;
  }
}