* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f5f1e9;
  color: #191817;
  font-family: Arial, Helvetica, sans-serif;
}

main {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

.hero {
  padding: 48px 0 36px;
  border-bottom: 1px solid #cfc5b5;
}

.eyebrow {
  margin: 0 0 10px;
  color: #1f6f68;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 13px;
}

h1 {
  margin: 0;
  font-size: clamp(40px, 7vw, 78px);
  line-height: 0.95;
  letter-spacing: 0;
}

.lede {
  max-width: 720px;
  font-size: 20px;
  line-height: 1.45;
  margin: 24px 0 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  background: #1f6f68;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  border-radius: 6px;
}

.checksum {
  margin-top: 18px;
  overflow-wrap: anywhere;
  color: #5a5148;
  font-size: 14px;
}

.notes {
  padding: 28px 0;
  max-width: 760px;
}

h2 {
  font-size: 24px;
  margin: 0 0 12px;
}

ol {
  padding-left: 22px;
  line-height: 1.6;
}

@media (max-width: 640px) {
  main {
    padding-top: 32px;
  }

  .lede {
    font-size: 17px;
  }
}