:root {
  color-scheme: light dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
  --background: #f5f7fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5c667a;
  --accent: #2457d6;
  --border: #dce2ee;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #101522;
    --surface: #171e2d;
    --text: #edf2ff;
    --muted: #b1bbcf;
    --accent: #8eafff;
    --border: #303b51;
  }
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 3rem 1rem;
  color: var(--text);
  background: var(--background);
}

main {
  width: min(48rem, 100%);
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 4rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: 0 1rem 3rem rgb(20 35 70 / 10%);
}

h1,
h2 {
  line-height: 1.2;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  letter-spacing: -0.04em;
}

h2 {
  margin-top: 2.25rem;
  font-size: 1.35rem;
}

p,
li {
  max-width: 68ch;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

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

footer {
  display: flex;
  gap: 0.65rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}