:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--secondary-color: #64748b;--accent-color: #10b981;--text-dark: #1e293b;--text-light: #64748b;--background: #f8fafc;--white: #ffffff;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-hover: 0 10px 25px -3px rgba(0, 0, 0, .1);--border-radius: 12px;--max-width: 1200px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Roboto,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;color:var(--text-dark);background-color:var(--background)}