:root{
  --bg:#F7F6F3; --surface:#FFFFFF; --line:#EAEAEA;
  --ink:#1C1C1A; --muted:#787774; --faint:#9B9B96;
  --serif:"Newsreader",Georgia,serif;
  --sans:"Switzer","Helvetica Neue",sans-serif;
  --mono:"JetBrains Mono",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);line-height:1.7;font-family:var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--ink);text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--line)}
a:hover{text-decoration-color:var(--ink)}
.wrap{max-width:760px;margin:0 auto;padding:0 28px}

nav{border-bottom:1px solid var(--line);background:rgba(247,246,243,.8);backdrop-filter:saturate(160%) blur(12px);position:sticky;top:0;z-index:10}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:600;font-size:20px;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.brand svg{width:24px;height:24px;color:var(--ink)}
nav .back{color:var(--muted);font-family:var(--mono);text-transform:uppercase;font-size:12px;letter-spacing:.06em;text-decoration:none}
nav .back:hover{color:var(--ink)}

.prose{padding:64px 0 48px}
.prose h1{font-family:var(--serif);font-weight:500;font-size:clamp(2.2rem,5vw,3.2rem);letter-spacing:-.025em;margin-bottom:10px;line-height:1.1}
.prose .updated{font-family:var(--mono);text-transform:uppercase;letter-spacing:.07em;color:var(--faint);font-size:11px;margin-bottom:40px}
.prose h2{font-family:var(--serif);font-weight:600;font-size:22px;margin:38px 0 10px;letter-spacing:-.01em}
.prose p,.prose li{color:var(--muted);font-size:16px;margin-bottom:12px;line-height:1.7}
.prose ul{padding-left:22px;margin-bottom:12px}
.prose strong{color:var(--ink);font-weight:600}

footer{border-top:1px solid var(--line);padding:36px 0;margin-top:48px}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--faint);font-size:13px}
.foot a{color:var(--faint);text-decoration:none}
.foot a:hover{color:var(--ink)}