:root {
  --font-sans: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-heavy: 800;
  --tracking-tight: -0.03em;
  --tracking-kicker: 0.18em;
  --tracking-label: 0.12em;
}

html {
  font-size: 16px;
}

body,
button,
input,
select,
textarea {
  font-family: var(--font-sans);
}

body {
  font-weight: var(--font-weight-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}