/* ==========================================================================
   CSS VARIABLES & ROOT STYLES
   ========================================================================== */
:root {
    /* Colors */
    --black: #0B0B0B;
    --white: #FFFFFF;
    --subtle-accent: #1A1A1A;
    
    /* Metallic Gradients */
    --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #8D6E27 100%);
    --silver-gradient: linear-gradient(135deg, #C9C9C9 0%, #7A7A7A 100%);
    --gold-text: linear-gradient(135deg, #D4AF37 0%, #F4D03F 50%, #8D6E27 100%);
    --silver-text: linear-gradient(135deg, #C9C9C9 0%, #E8E8E8 50%, #7A7A7A 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing Scale */
    --space-xs: 0.5rem;    /* 8px */
    --space-sm: 0.75rem;   /* 12px */
    --space-md: 1rem;      /* 16px */
    --space-lg: 1.5rem;    /* 24px */
    --space-xl: 2rem;      /* 32px */
    --space-2xl: 3rem;     /* 48px */
    --space-3xl: 4rem;     /* 64px */
    --space-4xl: 6rem;     /* 96px */
    
    /* Layout */
    --max-width: 1200px;
    --section-padding: var(--space-2xl);
    --header-height: 80px;
    --mobile-cta-height: 70px;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-gold: 0 4px 12px rgba(212, 175, 55, 0.3);
    --shadow-silver: 0 4px 12px rgba(201, 201, 201, 0.3);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}