:root {
  --signal: #19e05b;
  --charcoal: #171d19;
  --black: #0a0d0b;
  --paper: #f6f8f6;
  --muted: #bac6be;
  --ink-secondary: #47564b;
  --line: #b8c4ba;
  --content-width: 1200px;
  --gutter: clamp(22px, 4.5vw, 72px);
  --font-body: Arial, Helvetica, sans-serif;
}
/* Signal green is used with charcoal, not as small text on light surfaces.
   Wordmark artwork is fixed. Page typography never uses negative tracking. */