:root {
  color-scheme: dark;
  --primary: #32D9B4;
  --primary-deep: #00B894;
  --primary-dark: #003D34;
  --support: #312E81;
  --signal: #D6F000;
  --page: #070B12;
  --surface: #111827;
  --border: #333D4B;
  --text: #F7F8FA;
  --muted: #C3CBD5;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--page);
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgb(0 184 148 / 18%), transparent 35rem),
    radial-gradient(circle at 85% 80%, rgb(49 46 129 / 30%), transparent 36rem),
    var(--page);
  font-family:
    Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

.card {
  width: min(100%, 42rem);
  padding: clamp(2rem, 7vw, 4.5rem);
  border: 1px solid var(--border);
  border-radius: 2rem;
  background: rgb(17 24 39 / 88%);
  box-shadow: 0 2rem 6rem rgb(0 0 0 / 35%);
  backdrop-filter: blur(1rem);
}

.mark {
  width: 4rem;
  height: 4rem;
  display: grid;
  place-items: center;
  margin-bottom: 2rem;
  border-radius: 1.25rem;
  color: var(--page);
  background: var(--primary);
  font-size: 2rem;
  font-weight: 900;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.message {
  max-width: 36rem;
  margin: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: clamp(1rem, 3vw, 1.2rem);
  line-height: 1.7;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 1rem;
  border: 1px solid rgb(50 217 180 / 30%);
  border-radius: 999px;
  color: var(--primary);
  background: rgb(0 61 52 / 55%);
  font-size: 0.9rem;
  font-weight: 700;
}

.status-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0.8rem rgb(214 240 0 / 60%);
}

@media (prefers-reduced-motion: no-preference) {
  .status-dot {
    animation: pulse 2.4s ease-in-out infinite;
  }

  @keyframes pulse {
    50% {
      opacity: 0.55;
      transform: scale(0.85);
    }
  }
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --page: #F7F8FA;
    --surface: #FFFFFF;
    --border: #DDE3EA;
    --text: #1F2937;
    --muted: #6B7684;
  }

  body {
    background:
      radial-gradient(circle at 15% 20%, rgb(0 184 148 / 14%), transparent 35rem),
      radial-gradient(circle at 85% 80%, rgb(49 46 129 / 12%), transparent 36rem),
      var(--page);
  }

  .card {
    background: rgb(255 255 255 / 90%);
    box-shadow: 0 2rem 6rem rgb(31 41 55 / 12%);
  }
}