* {
  box-sizing: border-box;
}

:root {
  --color-bg: #212121;
  --color-panel: #181818;
  --color-input: #303030;
  --color-text: #ddeace;
  --color-accent: #fa423e;
  --color-border: #4a4a4a;
  --color-muted-border: #333;
  --color-muted-text: #b7c4aa;

  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html {
  line-height: 1.67;
}

body {
  margin: 0;
  padding: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
}

header,
main,
footer {
  max-width: 40rem;
  margin: 1rem auto;
}

h1,
h2 {
  margin: 0;
  color: var(--color-text);
  font-weight: 700;
  text-wrap: balance;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.15rem;
}

p {
  margin: 1rem 0;
  color: var(--color-muted-text);
  text-wrap: pretty;
}

a,
a:visited {
  color: var(--color-accent);
  border-bottom: 1px solid color-mix(in srgb, var(--color-accent), transparent 45%);
  text-decoration: none;
}

a:hover,
a:focus {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

.link-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.5rem;
  margin-top: 1rem;
}

section {
  margin-bottom: 1rem;
}

ul {
  margin: 0 0 1rem;
  padding: 0;
  line-height: 1.25;
}

li {
  display: block;
  padding-bottom: 0.35rem;
}

footer {
  border-top: 1px solid var(--color-muted-border);
  padding-top: 1rem;
  font-size: 0.9rem;
}

::selection {
  color: var(--color-bg);
  background: var(--color-accent);
}

@media (max-width: 650px) {
  html {
    font-size: 90%;
  }

  body {
    margin: 0 1rem;
    padding: 0;
  }

  header,
  main,
  footer {
    max-width: 100%;
  }

  .link-grid {
    display: block;
  }
}