:root{
  --ink:#0a0a0a; --paper:#f5f5f3; --muted:#6b6b6b; --line:#dcdcd8;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--paper);color:var(--ink);min-height:100vh;
     display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}
a{color:inherit}
header{display:flex;justify-content:space-between;align-items:baseline;gap:16px;
       padding:28px clamp(16px,4vw,48px);border-bottom:1px solid var(--line)}
.brand{font-size:22px;letter-spacing:-.02em;text-decoration:none}
.brand b{font-weight:800}.brand span{font-weight:300}
.back{font-size:14px;color:var(--muted);text-decoration:none}
.back:hover{color:var(--ink)}
main{flex:1;width:100%;max-width:760px;margin:0 auto;padding:clamp(40px,6vw,72px) clamp(16px,4vw,48px) 96px}
h1{font-size:clamp(32px,5vw,48px);letter-spacing:-.03em;line-height:1.05;margin-bottom:32px}
h2{font-size:18px;margin:36px 0 10px;letter-spacing:-.01em}
p,li{font-size:16px;line-height:1.65;color:#2b2b2b}
p+p{margin-top:12px}
.lead{font-size:18px;color:var(--ink)}
ul{padding-left:20px;margin-top:8px}
main a{text-decoration:underline;text-underline-offset:3px}
mark{background:#fff3b0;padding:0 3px;border-radius:3px}
.stand{margin-top:40px;color:var(--muted);font-size:14px}
footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;
       padding:20px clamp(16px,4vw,48px);border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
footer nav{display:flex;gap:20px}
footer a{text-decoration:none}
footer a:hover,footer a[aria-current]{color:var(--ink)}