:root {
  --bg: #f3f2f2;
  --ink: #201e1d;
  --accent: #ec3013;
  --cell: #eae7e7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

.mark {
  display: inline-block;
  width: 28px;
  height: 28px;
  background: var(--accent);
  margin-bottom: 24px;
}

nav {
  margin-bottom: 40px;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.04em;
}

nav a {
  color: var(--ink);
  text-decoration: none;
  margin-right: 20px;
  border-bottom: 2px solid transparent;
}

nav a:hover, nav a.active {
  border-bottom-color: var(--accent);
}

h1 {
  font-weight: 800;
  font-size: 28px;
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

h2 {
  font-weight: 800;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 36px 0 8px;
}

p, li {
  font-size: 16px;
}

.updated {
  color: #6b6866;
  font-size: 13px;
  margin-bottom: 32px;
}

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

.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 18px;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.03em;
}

footer {
  margin-top: 64px;
  padding-top: 16px;
  border-top: 1px solid var(--cell);
  color: #6b6866;
  font-size: 13px;
}