:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: #ffffff;
  color: #121417;
  font-family: Arial, Helvetica, sans-serif;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 40px 20px 56px;
}

h1 {
  margin: 0 0 1.2rem;
  font-size: clamp(1.9rem, 3.4vw, 2.4rem);
  line-height: 1.2;
}

h2 {
  margin: 2rem 0 0.7rem;
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  line-height: 1.3;
}

h3 {
  margin: 1.35rem 0 0.55rem;
  font-size: 1.06rem;
  line-height: 1.35;
}

h4 {
  margin: 1rem 0 0.45rem;
  font-size: 0.98rem;
  line-height: 1.35;
}

p,
ul {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  line-height: 1.6;
}

ul {
  padding-left: 1.3rem;
}

a {
  color: #0b57d0;
}