:root{--primary:#0e9ef7;--primary-dark:#0d7bc9;--dark:#0f172a;--gray:#374151;--light:#f8fafc;--border:#e5e7eb}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--gray);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 20px}