:root {
  color-scheme: light;

  --color-primary: #135a32;
  --color-primary-dark: #0d4425;
  --color-accent: #f3d9a0;
  --color-background: #f8f5ed;
  --color-surface: #fff;
  --color-text: #151815;
  --color-muted: #5e665f;
  --color-border: #dddcd5;

  /* --color-border is a decorative rule: 1.38:1 on white, far under the 3:1
     WCAG 2.2 AA needs for the boundary of a user interface component. Form
     controls therefore get their own border colour: 3.94:1 on white and
     3.62:1 on the cream background, so it holds on both surfaces. */
  --color-border-field: #7c8279;

  /* Error state. The previous :user-invalid style reused the dark green, so an
     invalid field looked like a valid emphasis. 6.54:1 on white and 6:1 on
     cream, which also covers per-field error text when it is added. */
  --color-error: #b3261e;
  --color-focus: var(--color-primary);
  --color-border-inverse: color-mix(
    in srgb,
    var(--color-accent) 35%,
    transparent
  );
  --font-heading: 'Barlow', 'Helvetica Neue', 'Arial', sans-serif;
  --font-body:
    'Source Sans 3', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-size-body: 1rem;
  --font-size-heading: clamp(2.25rem, 1.5rem + 3vw, 3.75rem);
  --font-weight-regular: 400;
  --font-weight-bold: 700;
  --line-height-body: 1.6;
  --line-height-heading: 1.1;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --gutter: clamp(var(--space-4), 4vw, var(--space-8));
  --section-space: clamp(var(--space-8), 8vw, var(--space-16));
  --content-width: 72rem;
  --reading-width: 65ch;
  --radius-small: 0.25rem;
  --radius-medium: 0.5rem;
  --radius-large: 1.5rem;
  --border-width: 1px;
  --focus-width: 3px;
  --focus-offset: 3px;
  --layer-skip-link: 10;
  --layer-header: 5;
  --header-height: 5rem;
  --logo-width: 10rem;
  --logo-height: 5rem;
  --logo-width-mobile: 9rem;
  --logo-height-mobile: 4.5rem;
  --target-size: 2.75rem;
  --font-size-small: 0.875rem;
  --font-size-eyebrow: 0.8125rem;
  --font-size-introduction: 1.0625rem;
  --font-size-hero: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  --font-size-section: clamp(1.75rem, 1.25rem + 2vw, 2.5rem);
  --font-size-service: clamp(1.25rem, 1rem + 1vw, 1.5rem);
  --letter-spacing-eyebrow: 0.025em;
  --hero-gap: clamp(var(--space-8), 5vw, var(--space-16));
  --hero-heading-width: 22ch;
  --portrait-width: 23rem;
  --portrait-ratio: 5 / 6;
}
