:root {
  /* Brand colours */
  --color-accent:        #99cc00;
  --color-accent-dark:   #6e9400;
  --color-accent-light:  #eef5cc;
  --color-accent-border: #c5e060;

  /* Neutrals */
  --color-ink:           #0f0f0f;
  --color-ink-muted:     #555555;
  --color-ink-subtle:    #888888;
  --color-white:         #ffffff;
  --color-bg:            #f5f7f0;
  --color-bg-card:       #ffffff;
  --color-border:        #dde5c8;
  --color-border-dark:   #c4d4a0;

  /* Typography */
  --font-body:           'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display:        'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-base:      16px;
  --line-height-base:    1.65;

  /* Layout */
  --container-width:     1200px;
  --container-padding:   clamp(1rem, 4vw, 2.5rem);

  /* Spacing */
  --space-xs:    0.5rem;
  --space-sm:    1rem;
  --space-md:    2rem;
  --space-lg:    4rem;
  --space-xl:    7rem;
  --section-padding: clamp(3rem, 6vw, 6rem);

  /* Navigation */
  --nav-height:         72px;
  --nav-height-mobile:  60px;

  /* Transitions */
  --ease:        0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-slow:   0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:   0 6px 24px rgba(0,0,0,0.09);
  --shadow-lg:   0 16px 48px rgba(0,0,0,0.12);

  /* Radius */
  --radius-sm:   4px;
  --radius:      8px;
  --radius-md:   12px;
  --radius-lg:   16px;
}