*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #ffffff;
  color: #111827;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.5;
}

.container {
  text-align: center;
  max-width: 400px;
  padding: 1rem;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 1.5rem;
  color: #374151;
}

h1 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: #111827;
}

p {
  font-size: 1rem;
  color: #6b7280;
  margin-bottom: 2rem;
}

.contact {
  padding-top: 1.5rem;
  border-top: 1px solid #e5e7eb;
}

.contact a {
  color: #111827;
  text-decoration: none;
  font-size: 0.9375rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.contact a:hover {
  border-bottom-color: #d1d5db;
}

.code {
  font-size: 5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.05em;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.actions .link {
  color: #111827;
  text-decoration: none;
  font-size: 0.9375rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.actions .link:hover {
  border-bottom-color: #d1d5db;
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.25rem;
  }

  p {
    font-size: 0.9375rem;
  }
}