:root {
  color-scheme: light dark;

  @media (prefers-color-scheme: light) {
    --color: #0e5398;
    --background-color: #fff;
    --letter-spacing: normal;
  }

  @media (prefers-color-scheme: dark) {
    --color: #fff;
    --background-color: #0e5398;
    --letter-spacing: 1px;
  }
}

* {
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  letter-spacing: var(--letter-spacing);
  line-height: 1.8;
  background-color: var(--background-color);
  color: var(--color);
}

a {
  color: currentColor;
}

a,
button,
summary {
  text-underline-offset: 2px;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.logo {
  max-width: 300px;
  width: 100%;

  @media (prefers-color-scheme: light) {
    background-color: #0e5398;
    padding: 16px;
    border-radius: 16px;
  }
}

.text {
  margin: 0 auto;
  width: 100%;
  max-width: 800px;
  padding: 30px;
}

details {
  border: 1px solid currentColor;
  border-radius: 5px;
  margin: 16px 0;

  &[open] {
    padding: 16px;

    summary {
      margin: -16px;
    }
  }
}

summary {
  padding: 16px;
  cursor: pointer;

  &:hover,
  &:focus-visible {
    text-decoration: underline;
  }
}

summary h4 {
  font-weight: normal;
  margin: 0;
  display: inline;
}

.button {
  text-decoration: none;
  display: inline-flex;
  padding: 8px 16px;
  border: 1px solid currentColor;
  border-radius: 5px;

  &:hover,
  &:focus-visible {
    text-decoration: underline;
  }
}