:root {
  --paper:#F7F0E4; --surface:#FFFDF9; --ink:#241B14; --ink-soft:#6B5D52;
  --line:#E6DBCC; --line-strong:#D6C7B4; --accent:#BB6421; --accent-ink:#8F4A17;
  --accent-tint:#F3E7DC; --on-accent:#FFFFFF; --shadow:0 1px 2px rgba(36,27,20,.05),0 8px 30px rgba(36,27,20,.06);
  --serif: Charter,"Bitstream Charter","Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans: system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono: ui-monospace,"SF Mono","JetBrains Mono","Cascadia Code",Menlo,Consolas,monospace;
  --maxw:72rem; --measure:38rem;
}
@media (prefers-color-scheme:dark){
  :root{ --paper:#17110C; --surface:#201811; --ink:#F0E8DD; --ink-soft:#A8998A;
    --line:#33271D; --line-strong:#463629; --accent:#D9814F; --accent-ink:#E9A277;
    --accent-tint:#241812; --on-accent:#17110C; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 34px rgba(0,0,0,.45); }
}
:root[data-theme="light"]{ --paper:#F7F0E4; --surface:#FFFDF9; --ink:#241B14; --ink-soft:#6B5D52;
  --line:#E6DBCC; --line-strong:#D6C7B4; --accent:#BB6421; --accent-ink:#8F4A17; --accent-tint:#F3E7DC; --on-accent:#FFFFFF;
  --shadow:0 1px 2px rgba(36,27,20,.05),0 8px 30px rgba(36,27,20,.06); }
:root[data-theme="dark"]{ --paper:#17110C; --surface:#201811; --ink:#F0E8DD; --ink-soft:#A8998A;
  --line:#33271D; --line-strong:#463629; --accent:#D9814F; --accent-ink:#E9A277; --accent-tint:#241812; --on-accent:#17110C;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 34px rgba(0,0,0,.45); }

*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.25rem,4vw,3rem);}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;text-wrap:balance;letter-spacing:-.01em;line-height:1.12;margin:0;}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 1.1rem;}

/* header (matches the home page) */
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 86%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:80px;}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--serif);font-weight:600;font-size:2.5rem;letter-spacing:.01em;color:inherit;text-decoration:none;line-height:1;}
.brand img{display:block;height:48px;width:auto;}
.bar nav{margin:0 auto;}
.nav-link{font-family:var(--mono);font-size:1.25rem;letter-spacing:.06em;text-decoration:none;color:var(--ink-soft);
  padding:.4rem 0;border-bottom:1px solid transparent;transition:color .15s,border-color .15s;}
.nav-link:hover{color:var(--accent-ink);border-color:var(--accent);}
.nav-link.active{color:var(--accent-ink);border-color:var(--accent);}

/* blog index */
.blog-head{padding:clamp(3rem,7vw,5rem) 0 clamp(1.6rem,3vw,2.4rem);}
.blog-head h1{font-size:clamp(2.2rem,5vw,3.2rem);}
.blog-head .lede{color:var(--ink-soft);max-width:var(--measure);margin:1rem 0 0;}
.postlist{display:grid;gap:1.25rem;max-width:46rem;padding-bottom:clamp(3.2rem,7vw,5.5rem);}
.postcard{display:block;background:var(--surface);border:1px solid var(--line);border-radius:6px;
  padding:1.6rem 1.5rem;text-decoration:none;box-shadow:var(--shadow);transition:border-color .15s;}
.postcard:hover{border-color:var(--accent);}
.postcard .pdate{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);}
.postcard h2{font-size:1.45rem;margin:.55rem 0 .5rem;}
.postcard p{margin:0;color:var(--ink-soft);font-size:.97rem;}
.postcard .more{display:inline-block;margin-top:.95rem;font-family:var(--mono);font-size:.78rem;color:var(--accent-ink);}

/* article */
.post{max-width:44rem;padding:clamp(3rem,7vw,5rem) 0 clamp(3.2rem,7vw,5.5rem);}
.backlink{display:inline-block;font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;color:var(--ink-soft);
  text-decoration:none;border-bottom:1px solid var(--line-strong);padding-bottom:1px;margin-bottom:1.6rem;}
.backlink:hover{color:var(--accent-ink);border-color:var(--accent);}
.post h1{font-size:clamp(2rem,4.6vw,3rem);}
.post .meta{font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);letter-spacing:.04em;margin:1.1rem 0 0;}
.post .dek{font-family:var(--serif);font-size:1.18rem;line-height:1.5;color:var(--ink-soft);margin:1.5rem 0 0;}
.post-body{margin-top:2.4rem;}
.post-body p{margin:0 0 1.25rem;}
.post-body h2{font-size:clamp(1.4rem,3vw,1.8rem);margin:2.5rem 0 1rem;scroll-margin-top:100px;}
.post-body a{color:var(--accent-ink);text-decoration:none;border-bottom:1px solid var(--line-strong);}
.post-body a:hover{border-color:var(--accent);}
.post-cta{border-top:1px solid var(--line);margin-top:3rem;padding-top:2rem;color:var(--ink-soft);}
.post-cta a{font-family:var(--mono);font-size:.92rem;color:var(--accent-ink);text-decoration:none;
  border-bottom:1px solid var(--line-strong);padding-bottom:2px;}
.post-cta a:hover{border-color:var(--accent);}

footer{border-top:1px solid var(--line);}
footer .wrap{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:space-between;align-items:center;
  padding:1.8rem clamp(1.25rem,4vw,3rem);font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);letter-spacing:.02em;}
.toggle{background:none;border:1px solid var(--line-strong);color:var(--ink-soft);font-family:var(--mono);
  font-size:.72rem;padding:.35rem .6rem;border-radius:2px;cursor:pointer;letter-spacing:.04em;}
.toggle:hover{border-color:var(--accent);color:var(--ink);}
a:focus-visible,.toggle:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px;}