@font-face {
  font-family: 'Founders Grotesk';
  src: url('founders-grotesk-light.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
  font-display: auto;
}

body {
  font-family: "Founders Grotesk", sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  transition: background 0.5s ease, color 0.5s ease;
  background-color: var(--bg-color);
  color: var(--text-color);
}

body.light {
  --bg-color: #efefef;
  --text-color: black;
  --footer-color: #d9d9d9
}

/*noinspection CssUnusedSymbol*/
body.dark {
  --bg-color: #0C0C0C;
  --text-color: white;
  --footer-color: #191919
}

button {
  transition: background-color 0.5s ease, color 0.5s ease;
  font-family: 'Founders Grotesk', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  border: 2px var(--text-color);
  border-radius: 5px;
  width: 8rem;
  height: 2rem;
}

header {
  background: var(--bg-color);
  transition: background 0.5s ease, color 0.5s ease;
  padding: 0.2rem 0.5rem 0.25rem 2rem;
  height: 2rem;
  text-align: left;
}

.logo-link img {
  transition: opacity 0.4s ease-in-out;
}

.logo-link:hover img {
  opacity: 0.7;
}

header h1 {
  margin: 0;
}

main {
  padding: 1rem;
}

main h2 {
  font-size: 1.5rem;
}

footer {
  background-color: var(--footer-color);
  transition: background 0.5s ease, color 0.5s ease;
  padding: 1rem;
  text-align: center;
}