:root {
    --bg: #F4F1EA;
    --ink: #21201C;
    --muted: #716C61;
    --hairline: #DFD9CB;
    --serif: "Newsreader", Georgia, "Times New Roman", serif;
    --sans: "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif;
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --bg: #171613;
      --ink: #E9E5DB;
      --muted: #9A9487;
      --hairline: #2E2C26;
    }
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--serif);
    font-size: 18px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  .page {
    max-width: 620px;
    margin: 0 auto;
    padding: 48px 24px 72px;
  }

  header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--hairline);
  }
  .wordmark {
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.38em;
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
    white-space: nowrap;
  }
  nav { display: flex; gap: 18px; }
  nav a {
    font-family: var(--sans);
    font-size: 12.5px;
    letter-spacing: 0.02em;
    color: var(--muted);
    text-decoration: none;
  }
  nav a:hover { color: var(--ink); }
  nav button.companion-toggle {
    appearance: none;
    background: none;
    border: 0;
    padding: 0;
    margin: 0;
    font-family: var(--sans);
    font-size: 12.5px;
    letter-spacing: 0.02em;
    color: var(--muted);
    cursor: pointer;
  }
  nav button.companion-toggle:hover,
  nav button.companion-toggle[aria-pressed="true"] { color: var(--ink); }
  .squirrel-mascot-close,
  .squirrel-mascot-restore { display: none; }


  h1 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 40px;
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin: 64px 0 8px;
  }
  .alias {
    color: var(--muted);
    font-style: italic;
    font-size: 19px;
    margin: 0 0 36px;
  }

  p { margin: 0 0 1.15em; }
  a {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, var(--ink) 35%, transparent);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
  }
  a:hover { text-decoration-color: var(--ink); }

  section { margin-top: 56px; }
  .label {
    font-family: var(--sans);
    font-size: 11.5px;
    font-weight: 500;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 18px;
  }

  ul {
    margin: 0 0 1.15em;
    padding-left: 22px;
  }
  li { margin-bottom: 10px; padding-left: 6px; }
  li::marker { content: "▪"; font-size: 11px; color: var(--muted); }

  .cite {
    border-left: 2px solid var(--hairline);
    padding: 2px 0 2px 20px;
    margin: 0 0 1.15em;
  }
  .cite .title { font-style: italic; }
  .cite a.title { color: inherit; text-decoration: none; }
  .cite a.title:hover { text-decoration: underline; text-underline-offset: 3px; }
  .cite .venue { color: var(--muted); font-size: 16.5px; display: block; margin-top: 4px; }

  footer {
    margin-top: 80px;
    padding-top: 20px;
    border-top: 1px solid var(--hairline);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-family: var(--sans);
    font-size: 12.5px;
    color: var(--muted);
  }
  footer a { color: var(--muted); text-decoration: none; }
  footer a:hover { color: var(--ink); }

  @media (max-width: 480px) {
    body { font-size: 17px; }
    h1 { font-size: 33px; margin-top: 48px; }
    .wordmark { letter-spacing: 0.28em; }
  }

  h2.label {
    font-family: var(--sans);
    font-size: 11.5px;
    font-weight: 500;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 18px;
  }

  :focus-visible {
    outline: 1px solid var(--ink);
    outline-offset: 3px;
  }
  a:focus-visible {
    outline: none;
    text-decoration: underline;
    text-decoration-color: var(--ink);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
  }
  nav a:focus-visible,
  nav button.companion-toggle:focus-visible,
  .wordmark:focus-visible,
  footer a:focus-visible {
    outline: none;
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: var(--ink);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
  }

  .skip {
    position: absolute;
    left: 16px;
    top: 0;
    z-index: 20;
    transform: translateY(-160%);
    padding: 8px 12px;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 12.5px;
    letter-spacing: 0.02em;
    text-decoration: none;
    border: 1px solid var(--hairline);
  }
  .skip:focus,
  .skip:focus-visible {
    transform: none;
    top: 12px;
    outline: 1px solid var(--ink);
    outline-offset: 2px;
    text-decoration: none;
  }

  .not-found { margin-top: 8px; }
  .not-found h1 { margin-bottom: 16px; }
  .not-found .home-link {
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 0.02em;
  }