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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: #0d1117;
  color: #c9d1d9;
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

header {
  margin-bottom: 3rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #f0f6fc;
  font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
}

.tagline {
  font-size: 1.1rem;
  color: #8b949e;
  margin-top: 0.5rem;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #f0f6fc;
  margin-bottom: 0.75rem;
  margin-top: 2rem;
}

.code-block {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
}

.code-block pre {
  font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
  font-size: 0.875rem;
  line-height: 1.8;
}

.prompt {
  color: #7ee787;
}

.comment {
  color: #8b949e;
}

.features {
  margin-top: 2.5rem;
}

.features ul {
  list-style: none;
  padding: 0;
}

.features li {
  padding: 0.35rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.features li::before {
  content: "\2022";
  color: #7ee787;
  position: absolute;
  left: 0;
}

.about {
  margin-top: 2.5rem;
  color: #8b949e;
  font-size: 0.9rem;
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid #21262d;
  font-size: 0.875rem;
  color: #8b949e;
}

footer a {
  color: #58a6ff;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}