:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  background: Canvas;
  color: CanvasText;
}

body {
  margin: 0;
}

main {
  width: min(680px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

header {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 48px;
}

header img {
  border-radius: 22px;
}

h1, h2, h3 {
  line-height: 1.2;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 6px;
  font-size: 38px;
}

h2 {
  margin: 38px 0 24px;
}

h3 {
  margin: 28px 0 6px;
  font-size: 18px;
}

p {
  margin: 0 0 18px;
  color: color-mix(in srgb, CanvasText 75%, Canvas);
}

nav {
  display: flex;
  gap: 20px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid color-mix(in srgb, CanvasText 18%, Canvas);
}

a {
  color: LinkText;
}

@media (max-width: 520px) {
  main {
    padding: 40px 0;
  }

  header {
    align-items: flex-start;
  }

  h1 {
    font-size: 30px;
  }
}