:root {
  --ink: #12141a;
  --muted: #4a5160;
  --bg: #f3f5f8;
  --accent: #0b5fff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
}

main {
  max-width: 32rem;
  margin: 4rem auto;
  padding: 0 1.25rem;
}

.mark {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.6rem;
  font-size: 2rem;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
}

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