:root{--paper:#EAEDF1;--ink:#14181D;--soft:#4A5568;--faint:#6B7584;--accent:#2F6FED;--line:#C3C9D1;--line-strong:#A6AEB9;}
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--paper);color:var(--ink);font:16px/1.7 'Inter',system-ui,sans-serif;-webkit-font-smoothing:antialiased;}
a{color:var(--accent);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
header{border-bottom:1px solid var(--line);background:rgba(234,237,241,.95);}
.bar{max-width:760px;margin:0 auto;padding:12px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.bar img{height:46px;width:auto;display:block;}
.bar .back{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--ink);text-decoration:none;border:1px solid var(--ink);padding:8px 16px;}
.bar .back:hover{background:var(--ink);color:var(--paper);}
main{max-width:760px;margin:0 auto;padding:48px 24px 72px;}
h1{font:600 clamp(28px,4.5vw,38px)/1.15 'Space Grotesk',sans-serif;letter-spacing:-.01em;margin-bottom:28px;}
h2{font:600 19px/1.3 'Space Grotesk',sans-serif;margin:32px 0 10px;}
p,li{color:var(--soft);margin-bottom:12px;}
ul{padding-left:1.2em;}
.stand{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--faint);margin-top:36px;}
footer{border-top:1px solid var(--line-strong);padding:24px;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--faint);}
footer div{max-width:760px;margin:0 auto;display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between;}
footer a{color:var(--faint);margin-right:16px;}