*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #fff;
  --color-text: #111;
  --color-muted: #666;
  --color-accent: #111;
  --font: system-ui, -apple-system, sans-serif;
}

html {
  font-family: var(--font);
  font-size: 16px;
  background: var(--color-bg);
  color: var(--color-text);
}

body {
  line-height: 1.6;
  padding: 3rem 1.5rem;
}

.container {
  max-width: 640px;
  margin: 0 auto;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}