:root{--primary: #4f46e5;--secondary: #facc15;--bg: #f5f5f5;--text: #222;--footer-bg: #1f2937;--footer-text: #f9fafb;--header-bg: #ffffff;--header-text: #111827}html,body{margin:0;padding:0;height:100%;font-family:Inter,system-ui,sans-serif;background-color:var(--bg);color:var(--text)}body{display:flex;flex-direction:column;min-height:100vh}main{flex:1;padding:2rem}a{text-decoration:none;color:var(--primary)}button{background-color:var(--primary);color:#fff;border:none;padding:.6rem 1.2rem;border-radius:.5rem;cursor:pointer;transition:all .2s ease}button:hover{background-color:var(--secondary);color:#000}.section{max-width:1200px;margin:2rem auto;padding:1rem}