:root {
  --color-bg: #0d1117;
  --color-surface: #161b22;
  --color-accent: #1ebe8a;
  --color-heading: #e6edf3;
  --color-body: #8b949e;
  --color-border: #30363d;
}

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

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-body);
  font-family: "Space Grotesk", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1 {
  margin: 0;
  color: var(--color-heading);
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.25;
}

.page {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.card {
  width: 100%;
  max-width: 28rem;
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  background-color: var(--color-surface);
  text-align: center;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}

.brand-logo {
  border-radius: 0.25rem;
}

.brand-name {
  color: var(--color-heading);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.badge {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.25rem 0.75rem;
  border: 1px solid rgb(30 190 138 / 0.3);
  border-radius: 9999px;
  background-color: rgb(30 190 138 / 0.1);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 500;
}

.description {
  margin: 1rem 0 2rem;
  font-size: 1rem;
  line-height: 1.625;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1rem;
  border-radius: 0.5rem;
  background-color: var(--color-accent);
  color: var(--color-bg);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: filter 0.15s ease;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.25rem;
  }

  .card {
    padding: 3rem 2.5rem;
  }
}