*{margin:0;padding:0;box-sizing:border-box}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:#1f2937;background-color:#fff}body{min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:1rem}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}a{color:#2563eb;text-decoration:none;transition:color .2s}a:hover{color:#1d4ed8}button{font-family:inherit;cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;transition:all .2s}button:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:#2563eb;color:#fff}.btn-primary:hover:not(:disabled){background-color:#1d4ed8}.btn-secondary{background-color:#f9fafb;color:#1f2937;border:1px solid #e5e7eb}.btn-secondary:hover:not(:disabled){background-color:#f3f4f6}.container{max-width:1200px;margin:0 auto;padding:0 1rem}@media(max-width:768px){h1{font-size:2rem}h2{font-size:1.75rem}.container{padding:0 .75rem}}