/* Main Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, sans-serif; line-height: 1.6; color: #333; }
header { padding: 2rem; background: #f8f9fa; text-align: center; }
main { max-width: 1200px; margin: 0 auto; padding: 2rem; }