*{margin:0;padding:0;box-sizing:border-box}
:root{
  --paper:#f6f7f5;--ink:#1c2126;--mut:#5d6670;--faint:#8a939d;
  --acc:#2547d0;--line:#d8dcd9;--code:#eceeeb;--card:#fff;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#14171a;--ink:#e6e9ec;--mut:#9aa4ae;--faint:#6b757f;
  --acc:#7a95ff;--line:#2a3138;--code:#1d2226;--card:#191d21;
}}


body{font:clamp(17px,1.05vw + 12px,19px)/1.72 "IBM Plex Sans","Public Sans",-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}
code,pre,.meta,.d,.foot,header.site nav a,.eyebrow{font-family:"IBM Plex Mono","SF Mono",Menlo,monospace}

header.site{max-width:800px;margin:0 auto;padding:38px 24px 0;display:flex;justify-content:space-between;align-items:baseline}
header.site>a{color:var(--ink);text-decoration:none;font-weight:600;letter-spacing:-.01em;font-size:19px}
header.site>a{display:inline-flex;align-items:center;gap:9px}
header.site>a .knife{color:var(--acc);flex:none;position:relative;top:1px}
header.site nav a{color:var(--mut);text-decoration:none;font-size:13px;margin-left:20px;text-transform:lowercase}
header.site nav a:hover{color:var(--acc)}

main{max-width:800px;margin:0 auto;padding:56px 24px 110px}
h1{font-size:clamp(34px,3.6vw,46px);line-height:1.18;letter-spacing:-.015em;margin:26px 0 10px;text-wrap:balance;font-weight:650}
h2{font-size:clamp(21px,1.9vw,25px);margin:44px 0 12px;line-height:1.3;font-weight:650;letter-spacing:-.01em}
/* boundary rule: a line with one gated gap */
h2::before{content:"";display:block;height:8px;margin:0 0 12px;background:
  radial-gradient(circle at 52px 4px, var(--paper) 0 1.8px, var(--acc) 2px 3.4px, transparent 3.8px),
  linear-gradient(90deg,var(--line) 0 45px,transparent 45px 59px,var(--line) 59px 100%) 0 3.5px/100% 1px no-repeat}
p{margin:0 0 20px;max-width:66ch}
a{color:var(--acc);text-decoration-thickness:1px;text-underline-offset:3px}
.meta{color:var(--mut);font-size:14px;margin-bottom:34px;letter-spacing:.01em}
pre{background:var(--code);border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:6px;padding:16px 18px;overflow-x:auto;font-size:14.5px;line-height:1.55;margin:0 0 20px}
hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.post-list{list-style:none}
.post-list li{margin-bottom:26px;padding-left:16px;border-left:2px solid var(--line)}
.post-list li:hover{border-left-color:var(--acc)}
.post-list a{color:var(--ink);font-weight:600;text-decoration:none;font-size:clamp(19px,1.8vw,22px);letter-spacing:-.01em}
.post-list a:hover{color:var(--acc)}
.post-list .d{color:var(--mut);font-size:13.5px;margin-top:5px}
em{font-style:italic}
.foot{color:var(--mut);font-size:14px;margin-top:56px;border-top:1px solid var(--line);padding-top:18px;line-height:1.65}
figure{margin:0 0 24px}
figure svg{width:100%;height:auto;border:1px solid var(--line);border-radius:6px}
figcaption{color:var(--mut);font-size:13px;margin-top:6px;font-family:"IBM Plex Mono",monospace}