@font-face {
  font-family: 'Newsreader';
  src: url('/fonts/newsreader-var.woff2') format('woff2-variations');
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: 'Libre Franklin';
  src: url('/fonts/libre-franklin-var.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/plex-mono-regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/plex-mono-semibold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}

:root {
  --paper: #F4F1EA;
  --ink: #1A1A18;
  --approve: #1F6F4A;
  --markup: #C4342B;
  --biro: #2E4A8C;
  --rule: #8A867C;
  --card: #FFFFFF;

  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Libre Franklin', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  color-scheme: light;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); }

a { color: var(--biro); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--biro);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}