/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #232128;
    --color-secondary: #f4a261;
    --color-secondary-hover: #e89451;
    --color-white: #ffffff;
    --color-text-lighter: #999999;
    --color-dark: #000000;
    --color-shadow-hover: rgba(0, 0, 0, 0.15);

    --color-text: #e2e8f0;
    --color-text-light: #cbd5e0;
    --color-background: #F6F6F6;
    --color-border: #2d3748;
    --color-shadow: rgba(0, 0, 0, 0.3);
    --color-text-dark: #000000;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, rgba(0, 0, 0, 0.5), rgba(33, 48, 73, 0.4));
    --gradient-spiral: radial-gradient(circle at center, #ffd700 0%, #ff8c00 30%, #ff4500 60%, #1a2332 100%);
    
    /* Typography */
    --font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4rem;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.2;
    --line-height-base: 1.5;
    --line-height-relaxed: 1.6;
    --line-height-loose: 1.7;
    
    /* Spacing Scale (8px base) */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 1rem;      /* 16px */
    --spacing-md: 1.5rem;    /* 24px */
    --spacing-lg: 2rem;      /* 32px */
    --spacing-xl: 3rem;      /* 48px */
    --spacing-2xl: 4rem;     /* 64px */
    --spacing-3xl: 6rem;     /* 96px */
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: var(--spacing-sm);
    --section-padding: var(--spacing-2xl);
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px var(--color-shadow);
    --shadow: 0 4px 6px var(--color-shadow);
    --shadow-lg: 0 8px 25px var(--color-shadow-hover);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1010;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Breakpoints (for reference in JS) */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1200px;
    --breakpoint-2xl: 1440px;
}

/* Dark mode variables (for future implementation) */
@media (prefers-color-scheme: dark) {
    :root {
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    :root {
        --transition-fast: 0s;
        --transition: 0s;
        --transition-slow: 0s;
    }
    
    html {
        scroll-behavior: auto;
    }
}
