:root {
  /* Bold editorial palette — navy + sky blue + white */
  --color-ink:          #1B2A4A;
  --color-ink-soft:     #243358;
  --color-ink-muted:    #6B7A99;
  --color-yellow:       #7BB8F0;
  --color-yellow-dark:  #4A9AE0;
  --color-yellow-light: #E8F4FD;
  --color-white:        #FFFFFF;
  --color-off-white:    #F4F7FB;
  --color-paper:        #F8FAFD;
  --color-warm-gray:    #E2E8F2;
  --color-border:       #D5DFF0;
  --color-success:      #16a34a;
  --color-error:        #dc2626;

  /* Semantic aliases (used by shared components) */
  --color-primary:       var(--color-ink);
  --color-primary-dark:  #111E36;
  --color-primary-light: var(--color-yellow-light);
  --color-accent:        var(--color-yellow);
  --color-accent-dark:   var(--color-yellow-dark);
  --color-accent-light:  var(--color-yellow-light);
  --color-bg:            var(--color-paper);
  --color-bg-alt:        var(--color-off-white);
  --color-surface:       var(--color-white);
  --color-text:          var(--color-ink);
  --color-text-muted:    var(--color-ink-muted);

  /* Typography */
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  1.875rem;
  --font-size-4xl:  2.25rem;
  --font-size-5xl:  3rem;
  --font-size-6xl:  3.75rem;

  --line-height-tight:  1.15;
  --line-height-normal: 1.6;
  --line-height-loose:  1.8;

  /* Spacing (8px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radii — sharper than before */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 4px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl:  0 20px 60px rgba(0,0,0,0.16);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --container-max: 1200px;
  --header-height: 68px;
}