:root {
  --font-body-family: Inter, Arial, sans-serif;
  --font-heading-family: Rajdhani, Inter, sans-serif;
  --font-body-size: 16px;
}

body {
  font-family: var(--font-body-family);
  font-size: var(--font-body-size);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading-family);
}

h1 { font-size: calc(2.4rem * 1); }
h2 { font-size: calc(2rem * 1); }
h3 { font-size: calc(1.4rem * 1); }