/* ============================================================
   CALEXFIN — REFINED CORPORATE COLOR & DESIGN SYSTEM
   Visual Hierarchy:
   WHITE / OFF-WHITE -> LIGHT NAVY / SLATE -> MEDIUM CORPORATE NAVY
   -> CALEXFIN BLUE -> DEEP NAVY ONLY FOR CONTRAST
   ============================================================ */

:root {
  /* 1. White & Off-White (Primary Canvas & Clean Cards) */
  --bg-white: #FFFFFF;
  --bg-offwhite: #F8FAFC;
  --bg-slate-light: #F1F5F9;
  --bg-blue-tint: #F0F5FD;
  --bg-surface: #FFFFFF;

  /* 2. Light Navy / Slate Tones */
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-400: #94A3B8;
  --slate-500: #64748B;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1E293B;
  --slate-900: #0F172A;

  /* 3. CALEXFIN Reference Blue (Principal Accent from Primary CTA) */
  --calexfin-blue: #1D4ED8;
  --calexfin-blue-hover: #1E40AF;
  --calexfin-blue-vibrant: #2563EB;
  --calexfin-blue-light: #EFF6FF;
  --calexfin-blue-subtle: rgba(29, 78, 216, 0.08);
  --calexfin-blue-border: rgba(29, 78, 216, 0.22);
  --calexfin-blue-glow: 0 8px 24px rgba(29, 78, 216, 0.25);

  /* 4. Medium Corporate Navy (Header, Section Anchors, Footer, Contrast) */
  --navy-medium: #10244F;
  --navy-card: #152B5C;
  --navy-surface: #0E1E42;
  --navy-dark-accent: #0A1633;

  /* 5. Typography */
  --text-primary: #0F172A;      /* Authoritative dark slate */
  --text-secondary: #334155;    /* Crisp readable body */
  --text-muted: #64748B;        /* Neutral annotations */
  --text-on-dark: #FFFFFF;      /* White text on navy sections */
  --text-on-dark-sub: #E2E8F0;  /* Soft white on navy sections */

  --font-serif: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* 6. Refined Borders & Shadows */
  --border-light: #E2E8F0;
  --border-subtle: rgba(29, 78, 216, 0.12);
  --border-card-hover: rgba(29, 78, 216, 0.35);

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 6px 18px rgba(15, 23, 42, 0.07), 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.09), 0 4px 10px rgba(15, 23, 42, 0.04);
  --shadow-elevated: 0 24px 50px rgba(15, 23, 42, 0.12), 0 8px 20px rgba(29, 78, 216, 0.08);

  /* 7. 3D Perspective & Motion */
  --perspective: 1200px;
  --perspective-deep: 1600px;
  --ease-corporate: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 250ms;
  --duration-normal: 380ms;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}