:root {
  --ink: #111;
  --muted: #555;
  --bg: #fafafa;
  --accent: #1d4ed8;
  --rule: #e5e5e5;
  --max: 720px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

header,
main,
footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

header {
  padding-top: 96px;
  padding-bottom: 32px;
}

h1 {
  font-size: 32px;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.tagline {
  color: var(--muted);
  margin: 0;
}

main {
  padding-bottom: 64px;
}

section {
  border-top: 1px solid var(--rule);
  padding: 32px 0;
}

h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 12px;
  font-weight: 600;
}

h3 {
  font-size: 20px;
  margin: 0 0 8px;
}

p {
  margin: 0 0 12px;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  padding-top: 24px;
  padding-bottom: 64px;
  border-top: 1px solid var(--rule);
}

.disclosures {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f0f0f0;
    --muted: #aaa;
    --bg: #0a0a0a;
    --accent: #6ea8fe;
    --rule: #1f1f1f;
  }
}

@media (max-width: 480px) {
  header {
    padding-top: 64px;
  }
  h1 {
    font-size: 28px;
  }
}