:root {
  --ink: #1b1f2a;
  --muted: #5a6072;
  --accent: #1f4fd8;
  --accent-dark: #173ca6;
  --paper: #ffffff;
  --rule: #e3e6ee;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
}

main {
  flex: 1;
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: 4rem 1rem 2rem;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 1.5rem;
  letter-spacing: -0.01em;
}

.lede {
  font-size: 1.25rem;
  margin: 0 0 1.25rem;
}

p {
  margin: 0 0 1.25rem;
}

.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 0.375rem;
  font-weight: 600;
}

.button:hover,
.button:focus {
  background: var(--accent-dark);
}

footer {
  border-top: 1px solid var(--rule);
  padding: 1.25rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

footer p {
  margin: 0;
}

footer a {
  color: inherit;
}