:root{--bg-primary: #0a0a0a;--bg-secondary: #1a1a1a;--bg-tertiary: #2a2a2a;--text-primary: #f0f0f0;--text-secondary: #a0a0a0;--accent-primary: #0070f3;--accent-secondary: #7928ca;--accent-gradient: linear-gradient(90deg, #0070f3, #7928ca);--card-border: rgba(255, 255, 255, .1);--nav-bg: rgba(10, 10, 10, .8);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "Fira Code", monospace;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem;--spacing-xl: 4rem;--transition-fast: .2s ease;--transition-normal: .3s ease}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f4f4f5;--bg-tertiary: #e4e4e7;--text-primary: #18181b;--text-secondary: #52525b;--accent-primary: #0070f3;--accent-secondary: #7928ca;--accent-gradient: linear-gradient(90deg, #0070f3, #7928ca);--card-border: rgba(0, 0, 0, .1);--nav-bg: rgba(255, 255, 255, .8)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-primary)}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.gradient-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}