:root {
  --bg: #0f0f10;
  --fg: #eaeaea;
  --muted: #9a9a9a;
  --accent: #6ee7b7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

header {
  padding: 6rem 2rem 3rem;
  text-align: center;
}

header h1 {
  font-size: 3rem;
  margin: 0;
}

.tagline {
  color: var(--muted);
  font-size: 1.2rem;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem;
}

section {
  padding: 3rem 0;
  border-top: 1px solid #222;
}

section h2 {
  color: var(--accent);
}

footer {
  text-align: center;
  color: var(--muted);
  padding: 3rem 0;
}