:root {
  --background-body: #eef2f5;
  --text-main: #363636;
  --text-bright: #000;
  --text-muted: #70777f;
  --links: #0076d1;
  --focus: #0096bfab;
  --border: #dbdbdb;
  --font-size: clamp(1rem, 2vw + 0.5rem, 18px); /* scales fluidity */
  --line-height: 1.75;
  --max-width: 90ch; /* allows wider but still readable layout */
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-body: #1b2229;
    --text-main: #dbdbdb;
    --text-bright: #fff;
    --text-muted: #a9b1ba;
    --links: #41adff;
    --border: #526980;
  }
}

body {
  font-family: system-ui, serif;
  background: var(--background-body);
  color: var(--text-main);
  font-size: var(--font-size);
  line-height: var(--line-height);
  margin: 0;
  padding: 0;
}

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem;
  box-sizing: border-box;
}

nav {
  text-align: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

nav a {
  margin: 0 0.75rem;
  color: var(--links);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover {
  text-decoration: underline;
}

main {
  width: 100%;
}

a,
a:visited {
  color: var(--links);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.site-title a {
  color: inherit;
  text-decoration: none;
}

.site-title a:hover {
  text-decoration: underline;
}