body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #0a0f1f;
  color: #e6edf3;
  font-family: system-ui, "Segoe UI", Roboto, sans-serif;
  text-align: center;
}

h1 {
  color: #58a6ff;
  margin-bottom: 0.25rem;
  font-size: 2rem;
}

.tagline {
  color: #8b949e;
  margin-bottom: 2rem;
}

section {
  max-width: 650px;
  margin-bottom: 2rem;
}

h2 {
  color: #1e81b0;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  padding: 0.3rem 0;
}

footer {
  font-size: 0.9rem;
  color: #8b949e;
  margin-top: 3rem;
}