:root {
  /* ========================================
     DPCN Design System Tokens
     Primary: #225280 — Navy Blue Professional
     ======================================== */

  /* -------- Font Families -------- */
  --dpcn-font-heading: "Montserrat", "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --dpcn-font-body: "Be Vietnam Pro", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;

  /* -------- Primary Palette -------- */
  --dpcn-color-primary: #225280;
  --dpcn-color-primary-50: #e8f0f7;
  --dpcn-color-primary-100: #b5d0e6;
  --dpcn-color-primary-200: #8fb9da;
  --dpcn-color-primary-300: #5c99c9;
  --dpcn-color-primary-400: #3b85bd;
  --dpcn-color-primary-500: #225280;
  --dpcn-color-primary-600: #1e4973;
  --dpcn-color-primary-700: #173a5a;
  --dpcn-color-primary-800: #122d46;
  --dpcn-color-primary-900: #0e2236;

  /* -------- Neutral Palette -------- */
  --dpcn-color-bg: #f4f6f9;
  --dpcn-color-surface: #ffffff;
  --dpcn-color-surface-elevated: #ffffff;
  --dpcn-color-text: #1e293b;
  --dpcn-color-text-secondary: #475569;
  --dpcn-color-muted: #64748b;
  --dpcn-color-border: #e2e8f0;
  --dpcn-color-border-subtle: rgba(30, 41, 59, 0.06);

  /* -------- Accent / Semantic -------- */
  --dpcn-color-accent: #f18f01;
  --dpcn-color-accent-light: #fbb03b;
  --dpcn-color-accent-dark: #c77400;

  --dpcn-color-success: #059669;
  --dpcn-color-success-bg: #ecfdf5;
  --dpcn-color-success-border: #a7f3d0;

  --dpcn-color-warning: #d97706;
  --dpcn-color-warning-bg: #fffbeb;
  --dpcn-color-warning-border: #fcd34d;

  --dpcn-color-error: #dc2626;
  --dpcn-color-error-bg: #fef2f2;
  --dpcn-color-error-border: #fecaca;

  --dpcn-color-info: #2563eb;
  --dpcn-color-info-bg: #eff6ff;
  --dpcn-color-info-border: #bfdbfe;

  --dpcn-color-dark: #0f172a;
  --dpcn-color-dark-900: #0a111d;

  /* -------- Interaction States -------- */
  --dpcn-color-primary-hover: var(--dpcn-color-primary-700);
  --dpcn-color-primary-active: var(--dpcn-color-primary-800);
  --dpcn-color-focus-ring: rgba(34, 82, 128, 0.35);

  /* -------- Border Radius Scale -------- */
  --dpcn-radius-sm: 8px;
  --dpcn-radius-md: 12px;
  --dpcn-radius-lg: 16px;
  --dpcn-radius-xl: 24px;
  --dpcn-radius-pill: 999px;

  /* -------- Shadow Scale -------- */
  --dpcn-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --dpcn-shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
  --dpcn-shadow-md: 0 8px 24px rgba(15, 23, 42, 0.1);
  --dpcn-shadow-lg: 0 12px 36px rgba(15, 23, 42, 0.14);
  --dpcn-shadow-focus: 0 0 0 3px var(--dpcn-color-focus-ring);

  /* -------- Spacing Scale (4px base) -------- */
  --dpcn-space-1: 4px;
  --dpcn-space-2: 8px;
  --dpcn-space-3: 12px;
  --dpcn-space-4: 16px;
  --dpcn-space-5: 20px;
  --dpcn-space-6: 24px;
  --dpcn-space-8: 32px;
  --dpcn-space-10: 40px;
  --dpcn-space-12: 48px;

  /* Legacy aliases (kept for compatibility with existing templates) */
  --dpcn-space-xs: var(--dpcn-space-2);
  --dpcn-space-sm: var(--dpcn-space-3);
  --dpcn-space-md: var(--dpcn-space-4);
  --dpcn-space-lg: var(--dpcn-space-6);
  --dpcn-space-xl: var(--dpcn-space-8);

  /* -------- Typography Scale -------- */
  --dpcn-text-xs: 12px;
  --dpcn-text-sm: 13px;
  --dpcn-text-base: 14px;
  --dpcn-text-md: 15px;
  --dpcn-text-lg: 18px;
  --dpcn-text-xl: 20px;
  --dpcn-text-2xl: 24px;
  --dpcn-text-3xl: 30px;
  --dpcn-text-4xl: clamp(30px, 3vw, 44px);
  --dpcn-text-hero: clamp(24px, 2.6vw, 34px);

  /* -------- Motion -------- */
  --dpcn-duration-fast: 0.15s;
  --dpcn-duration-base: 0.25s;
  --dpcn-duration-slow: 0.35s;
  --dpcn-easing-default: cubic-bezier(0.4, 0, 0.2, 1);
  --dpcn-easing-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}