:root {
  /* Colors - Executive Corporate Palette (Navy, Gold, Slate & Warm White) */
  --color-black: #FAF9F6; /* Body Background: Warm Alabaster */
  --color-white: #0B192C; /* Main dark accent (Midnight Royal Navy) */
  --color-navy: #0B192C; /* Executive Midnight Navy */
  --color-navy-light: #1E293B; /* Slate Navy */
  --color-navy-surface: #0F172A; /* Deep Navy Container */
  --color-dark-accent: #0B192C; /* For button text, badges, etc. */
  
  --color-gold: #C5A059; /* Regal Champagne Gold */
  --color-gold-light: #E0C078;
  --color-gold-dark: #9A772D;
  --color-gold-muted: rgba(197, 160, 89, 0.12);
  
  --color-surface: #FFFFFF; /* Pure White for elevated cards */
  --color-surface-2: #F1F5F9; /* Soft Slate-Blue Tint for alternating sections */
  --color-surface-3: #E2E8F0; /* Border/input surface */
  --color-surface-light: #FFFFFF;
  --color-surface-elevated: #FFFFFF;
  
  --color-border: rgba(15, 23, 42, 0.08); /* Clean Slate Border */
  --color-border-gold: rgba(197, 160, 89, 0.35);
  
  --color-text-primary: #0B192C; /* Deep Midnight Charcoal (Headings) */
  --color-text-secondary: #1E293B; /* Deep Slate 800 (Crystal-clear body text, never faded) */
  --color-text-muted: #475569; /* Slate 600 */
  --color-text-on-dark: #F8FAFC; /* Off-white for Navy sections */
  --color-text-on-dark-muted: #94A3B8; /* Muted text for Navy sections */
  
  --color-success: #16a34a;
  --color-error: #dc2626;

  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-md: 18px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 30px;
  --font-size-3xl: 36px;
  --font-size-4xl: 48px;
  --font-size-5xl: 60px;
  --font-size-6xl: 72px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10: 40px;
  --space-11: 44px;
  --space-12: 48px;
  --space-13: 52px;
  --space-14: 56px;
  --space-15: 60px;
  --space-16: 64px;
  --space-17: 68px;
  --space-18: 72px;
  --space-19: 76px;
  --space-20: 80px;
  --space-24: 96px;
  --space-30: 120px;
  --space-40: 160px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 40px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --shadow-gold: 0 0 15px rgba(201,168,76,0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* Z-index */
  --z-base: 1;
  --z-sticky: 100;
  --z-modal: 200;
  --z-assistant: 150;
  --z-toast: 300;

  /* Container */
  --container-max: 1200px;
  --container-padding: clamp(1rem, 5vw, 2rem);

  /* Glassmorphism & Depth */
  --glass-bg: rgba(15, 29, 50, 0.65);
  --glass-border: rgba(201, 168, 76, 0.22);
  --glass-border-hover: rgba(201, 168, 76, 0.45);
  --glass-blur: blur(14px);
  --glass-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
  --glass-shadow-hover: 0 20px 45px rgba(0, 0, 0, 0.6), 0 0 24px rgba(201, 168, 76, 0.16);
}