:root {
    /* Colors - Bold, distinctive palette */
    --color-primary: #FF4757;
    --color-primary-dark: #E33D4A;
    --color-primary-light: #FF6B7A;
    
    --color-background: #0A0E14;
    --color-background-light: #151B26;
    --color-background-lighter: #1F2937;
    
    --color-surface: #1A1F2E;
    --color-surface-elevated: #242B3D;
    
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #9CA3AF;
    --color-text-muted: #6B7280;
    
    --color-accent: #FFD700;
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    
    /* Gradients */
    --gradient-hero: linear-gradient(180deg, rgba(10, 14, 20, 0) 0%, rgba(10, 14, 20, 0.8) 50%, rgba(10, 14, 20, 1) 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 71, 87, 0.1) 0%, rgba(255, 71, 87, 0) 100%);
    --gradient-primary: linear-gradient(135deg, #FF4757 0%, #E33D4A 100%);
    --gradient-shine: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
    
    /* Typography */
    --font-primary: 'Syne', system-ui, -apple-system, sans-serif;
    --font-secondary: 'DM Sans', system-ui, -apple-system, sans-serif;
    
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    --font-size-6xl: 3.75rem;     /* 60px */
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    --spacing-4xl: 6rem;     /* 96px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px rgba(255, 71, 87, 0.4);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-tooltip: 1060;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Layout */
    --navbar-height: 70px;
    --content-max-width: 1920px;
    --container-padding: var(--spacing-xl);
    
    /* Card Dimensions */
    --card-width: 280px;
    --card-height: 160px;
    --card-gap: var(--spacing-md);
    
    /* Hero */
    --hero-height: 85vh;
    --hero-min-height: 600px;
}

/* Dark theme optimizations */
@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    :root {
        --transition-fast: 0ms;
        --transition-base: 0ms;
        --transition-slow: 0ms;
        --transition-spring: 0ms;
    }
}

/* Responsive breakpoints */
@media (max-width: 1536px) {
    :root {
        --card-width: 260px;
        --card-height: 148px;
    }
}

@media (max-width: 1280px) {
    :root {
        --card-width: 240px;
        --card-height: 136px;
        --hero-height: 80vh;
    }
}

@media (max-width: 1024px) {
    :root {
        --card-width: 220px;
        --card-height: 125px;
        --container-padding: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --card-width: 180px;
        --card-height: 102px;
        --navbar-height: 60px;
        --hero-height: 70vh;
        --hero-min-height: 500px;
        --font-size-5xl: 2.25rem;
        --font-size-6xl: 2.75rem;
    }
}

@media (max-width: 640px) {
    :root {
        --card-width: 160px;
        --card-height: 90px;
        --container-padding: var(--spacing-md);
        --font-size-4xl: 1.75rem;
        --font-size-5xl: 2rem;
    }
}