:root{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--text-primary: #1a1a1a;--text-secondary: #4a4a4a;--accent: #2a2a2a;--border: #e0e0e0;--shadow: rgba(0, 0, 0, .1);--hover-bg: #f0f0f0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background-color .3s ease,color .3s ease;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-display:swap}html{scroll-behavior:smooth;scroll-padding-top:120px}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:1rem;contain:layout}h1{font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.5rem,4vw,2.5rem)}h3{font-size:clamp(1.25rem,3vw,2rem)}p{margin-bottom:1rem}a{color:inherit;text-decoration:none;transition:opacity .2s ease,transform .2s ease;will-change:auto}a:hover{opacity:.7}.container{max-width:1400px;margin:0 auto;padding:0 2rem}@media(max-width:768px){.container{padding:0 1rem}}.skip-link{position:absolute;left:-9999px;z-index:999;padding:1em;background-color:#000;color:#fff;text-decoration:none}.skip-link:focus{left:50%;top:0;transform:translate(-50%);outline:2px solid #0066cc}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}*:focus{outline:2px solid #0066cc;outline-offset:2px}*:focus:not(:focus-visible){outline:none}*:focus-visible{outline:2px solid #0066cc;outline-offset:2px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #0066cc;outline-offset:2px}.section{padding:4rem 0}@media(max-width:768px){.section{padding:2rem 0}}