:root {
  --blue: #0000ff;
  --ink: #06062b;
  --ink-soft: #33337a;
  --line: #d6d6ff;
}

* {
  box-sizing: border-box;
}

body {
  background: #fff;
  color: var(--ink);
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  margin: 0;
}

header,
main,
footer {
  margin: 0 auto;
  max-width: 720px;
  padding: 0 20px;
}

header {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: space-between;
  padding-bottom: 20px;
  padding-top: 24px;
}

.brand {
  align-items: center;
  color: var(--ink);
  display: flex;
  font-weight: 700;
  gap: 10px;
  text-decoration: none;
}

nav a {
  color: var(--blue);
  margin-left: 16px;
  text-decoration: none;
}

nav a:first-child {
  margin-left: 0;
}

h1 {
  font-size: 36px;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 28px 0 12px;
}

h2 {
  font-size: 20px;
  margin: 30px 0 6px;
}

p,
li {
  color: var(--ink-soft);
}

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

footer {
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 14px;
  margin-top: 48px;
  padding-bottom: 28px;
  padding-top: 18px;
}