* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --background: #071b22;
  --surface: #0d2a33;
  --border: #24505c;
  --primary: #56d6c9;
  --primary-dark: #179c9a;
  --text: #eef8f7;
  --text-dark: #071b22;
  --muted: #9fc1c4;
  --score-excellent: #7ee6a8;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 0%, rgba(86, 214, 201, 0.12), transparent 28rem),
    linear-gradient(180deg, #071b22 0%, #08232c 48%, #071b22 100%);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.45;
}

main {
  width: min(100% - 3rem, 53.75rem);
  margin: 0 auto;
  padding: 3.5rem 0 4.5rem;
}

h1,
h2 {
  color: var(--text);
  line-height: 1.2;
}

h1 {
  margin: 0 0 1.25rem;
  padding-bottom: 1.125rem;
  border-bottom: 0.0625rem solid var(--border);
  font-size: 2.75rem;
  font-weight: 750;
}

h2 {
  margin: 2.625rem 0 0.75rem;
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

p {
  max-width: 45rem;
  margin: 0 0 1rem;
}

ul {
  margin: 0 0 1.125rem;
  padding-left: 1.35rem;
}

li {
  margin-bottom: 0.5rem;
  padding-left: 0.25rem;
}

li::marker {
  color: var(--primary);
}

strong {
  color: var(--primary);
  font-weight: 800;
}

a {
  color: var(--primary);
  text-decoration-thickness: 0.125rem;
  text-underline-offset: 0.1875rem;
}

a:hover {
  color: var(--score-excellent);
}

@media (max-width: 40rem) {
  body {
    font-size: 0.9375rem;
  }

  main {
    width: min(100% - 1.5rem, 53.75rem);
    padding: 2.25rem 0 3.25rem;
  }

  h1 {
    margin-bottom: 1rem;
    font-size: 2.2rem;
  }

  h2 {
    margin-top: 2.125rem;
  }
}