:root{--bg-primary:#fff;--bg-secondary:#f3f3f3;--bg-tertiary:#e8e8e8;--text-primary:#000;--text-secondary:#4b4b4b;--text-tertiary:#5e5e5e;--accent-blue:#276ef1;--border-color:#e8e8e8;--focus-ring:#276ef1;--font-main:"Roboto", system-ui, -apple-system, sans-serif;--font-code:"Roboto Mono", monospace;--margin-mobile:16px;--margin-tablet:36px;--margin-desktop:64px;--max-width:1280px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-main);-webkit-font-smoothing:antialiased;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;outline:none}button:focus-visible,a:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}section{padding:4rem var(--margin-mobile)}@media (width>=768px){html{scroll-behavior:smooth}section{padding:6rem var(--margin-tablet);max-width:var(--max-width);margin:0 auto}}@media (width>=1136px){section{padding:6rem var(--margin-desktop)}}