:root {
  color-scheme: dark;
  --bg: #000000;
  --text: #fafafa;
  --muted: #a1a1aa;
  --accent: #3ddc84;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

.brand {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

h1 {
  font-size: clamp(32px, 6vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

h2 {
  margin-top: 40px;
  font-size: 20px;
}

.lead {
  font-size: 19px;
  color: var(--muted);
}

.muted {
  color: var(--muted);
}

a {
  color: var(--accent);
}

.features {
  padding-left: 20px;
}

.features li {
  margin-bottom: 8px;
}

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}