* {
  box-sizing: border-box;
}

html {
  font-family: Arial, sans-serif;
  background: #fff;
  color: #000;
}

body {
  margin: 0;
  background: #fff;
  color: #000;
  line-height: 1.55;
}

a {
  color: #000;
}

.site-header,
main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  padding: 24px 0;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

section {
  padding: 36px 0;
  border-top: 1px solid #000;
}

.hero {
  padding-top: 72px;
  border-top: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 8vw, 76px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin: 30px 0 8px;
  font-size: 18px;
  letter-spacing: 0;
}

.lead {
  font-size: 22px;
  line-height: 1.4;
}

p,
li {
  font-size: 18px;
}

ul {
  margin: 0;
  padding-left: 22px;
}

li + li {
  margin-top: 10px;
}

@media (max-width: 520px) {
  .site-header,
  main {
    width: min(100% - 24px, 760px);
  }

  .hero {
    padding-top: 44px;
  }

  h1 {
    font-size: 42px;
  }

  .lead {
    font-size: 20px;
  }

  p,
  li {
    font-size: 17px;
  }
}