body {
  margin: 0;
  padding: 0;
  font-family: system-ui, sans-serif;
  background: radial-gradient(circle at 50% 20%, #1a1a1a, #000);
  color: #e6e6e6;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding-top: 8vh;
  overflow-x: hidden;
  width: 100%;
  box-sizing: border-box;
}

main {
  max-width: 640px;
  width: 100%;
  padding: 0 24px;
  box-sizing: border-box;
  text-align: left;
}

h1 {
  font-weight: 500;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
  text-align: center;
}

h2 {
  margin-top: 2rem;
  font-weight: 500;
}

p,
ul {
  line-height: 1.6;
  opacity: 0.9;
}

pre {
  background: rgba(255, 255, 255, 0.05);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin-top: 1rem;
}

nav {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  opacity: 0.8;
}

nav a {
  color: #e6e6e6;
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover {
  opacity: 1;
}

a {
  color: #e6e6e6;
  text-decoration: none;
}

a:hover {
  opacity: 1;
}

.external-links {
  text-align: center;
  margin-top: 2rem;
  opacity: 0.8;
}

.subtitle {
  text-align: center;
}

@media (max-width: 480px) {
  body {
    padding-top: 4vh;
  }

  main {
    padding: 0 16px;
  }

  nav {
    gap: 1rem;
  }

  nav a {
    font-size: 0.9rem;
  }
}