:root {
  --teal: #00C8B3;
  --dark-teal: #006258;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #000;
  color: #fff;
  font-family: -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  padding: 24px;
}
.card {
  max-width: 520px;
  text-align: center;
  background: #0c0c0c;
  border: 1px solid #1a1a1a;
  border-radius: 20px;
  padding: 48px 36px;
}
.logo {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--teal), var(--dark-teal));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 24px;
}
h1 { font-size: 24px; margin-bottom: 16px; }
p { color: #b3b3b3; line-height: 1.6; margin-bottom: 12px; }
code {
  background: #1a1a1a;
  color: var(--teal);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.9em;
}
.rev strong { color: var(--teal); }
footer {
  margin-top: 28px;
  font-size: 13px;
  color: #555;
}