*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#333}.App{min-height:100vh}nav{background:#2c3e50;padding:1rem}nav ul{list-style:none;display:flex;gap:2rem;max-width:1200px;margin:0 auto}nav a{color:#fff;text-decoration:none;font-weight:500;transition:color .3s}nav a:hover{color:#3498db}main{max-width:1200px;margin:0 auto;padding:2rem}.page{text-align:center;padding:2rem}.page h1{font-size:2.5rem;margin-bottom:1rem;color:#2c3e50}.page p{font-size:1.1rem;color:#7f8c8d;max-width:600px;margin:0 auto}