:root {
    /* Colors - Dark Mode (Default) */
    --bg-dark: #050816;
    --bg-surface: #0B1120;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    
    --primary: #00D9FF;
    --secondary: #8B5CF6;
    --highlight: #22D3EE;
    --success: #10B981;
    
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    
    /* Fonts */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', 'Poppins', sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    /* Spacing */
    --section-pad: 100px 0;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Effects */
    --glass-blur: blur(20px);
}

[data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-surface: #ffffff;
    --card-bg: rgba(0, 0, 0, 0.03);
    --card-border: rgba(0, 0, 0, 0.08);
    --primary: #0284c7;
    --secondary: #6d28d9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
}