/*
  Direction A "Field Notes", design v3: engineering notebook.
  Cream paper, ink text, one proofreader's-red accent, pencil grey for metadata.
  Flat paper (no grid or dots), thin ink rules, 2-3px corners, no shadows.
  Fonts are SYSTEM stacks (no external fonts or CDNs).
  Contrast (WCAG 2.2 AA needs 4.5:1 for text), checked with a script:
    light: ink #1B1A17 15.3 / pencil #5B574C 6.3 / red #A82F1A 6.0 on paper #F6F0E0; all >= 5.5 on card, code and note backgrounds
    dark : ink #E9E4D6 13.4 / pencil #B1AB9B 7.4 / red #FF8F78 7.7 on charcoal #1D1C1A; all >= 6.4 on card, code and note backgrounds
*/
:root{
  color-scheme:light;
  --paper:#F6F0E0; --ink:#1B1A17; --muted:#5B574C; --accent:#A82F1A;
  --line:#3A372F; --rule:#CFC5AB; --card:#FBF7EA; --code-bg:#EFE8D3; --note-bg:#EFE8D3;
  --on-accent:#FFFFFF;
  --mark:#FFE98A; --mark-ink:#3B2F00; --mark-bd:#9A7B00;
  --lab-bg:#F8EAE2;
  --syn-k:#A82F1A; --syn-s:#1F5B58; --syn-n:#6A3F00; --syn-f:#4B3A85; --syn-v:#7A4300; --syn-c:#5B574C;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Source Serif 4","Source Serif Pro",Charter,"Songti SC","Noto Serif CJK SC","Noto Serif SC",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI","PingFang SC","Noto Sans CJK SC","Noto Sans SC",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --measure:68ch; --wide:70rem; --r:3px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --paper:#1D1C1A; --ink:#E9E4D6; --muted:#B1AB9B; --accent:#FF8F78;
    --line:#8A8474; --rule:#3E3B35; --card:#252320; --code-bg:#2A2825; --note-bg:#2A2825;
    --on-accent:#1D1C1A;
    --mark:#4A3E0C; --mark-ink:#FBE9A8; --mark-bd:#D9A91A;
    --lab-bg:#33231F;
    --syn-k:#FF8F78; --syn-s:#7FD3CB; --syn-n:#F0B574; --syn-f:#BCA8F0; --syn-v:#E8B86B; --syn-c:#B1AB9B;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --paper:#1D1C1A; --ink:#E9E4D6; --muted:#B1AB9B; --accent:#FF8F78;
  --line:#8A8474; --rule:#3E3B35; --card:#252320; --code-bg:#2A2825; --note-bg:#2A2825;
  --on-accent:#1D1C1A;
  --mark:#4A3E0C; --mark-ink:#FBE9A8; --mark-bd:#D9A91A;
  --lab-bg:#33231F;
  --syn-k:#FF8F78; --syn-s:#7FD3CB; --syn-n:#F0B574; --syn-f:#BCA8F0; --syn-v:#E8B86B; --syn-c:#B1AB9B;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:1.5rem}
body{margin:0;padding:0;background:var(--paper);color:var(--ink);font:1.125rem/1.65 var(--serif);
  font-variant-numeric:oldstyle-nums}

.wrap{max-width:var(--wide);margin:0 auto;padding-left:1.25rem;padding-right:1.25rem}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--ink)}
h1{font-size:2rem;line-height:1.2;margin:1.5rem 0 .75rem}
h2{font-size:1.45rem;line-height:1.3;margin:2.4rem 0 .6rem}
h3{font-size:1.18rem;line-height:1.35;margin:1.75rem 0 .4rem}
p,ul,ol,dl,pre,figure{margin:0 0 1rem}
main{padding-top:.5rem;min-height:60vh}
main:focus{outline:none}
a{color:var(--accent);text-decoration:underline;text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,summary:focus-visible,pre:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
::selection{background:var(--mark);color:var(--mark-ink)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--muted)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--paper);padding:.5rem .9rem;z-index:40;font-family:var(--sans)}
.skip-link:focus{left:.5rem;top:.5rem}
.label,.kicker,.eyebrow{font:600 .72rem/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 .4rem}
.kicker a{color:inherit}

/* ---------- demo strip (preview only) ---------- */
.demo-banner{display:flex;flex-wrap:wrap;justify-content:center;gap:.1rem .75rem;background:var(--mark);color:var(--mark-ink);border-bottom:1px solid var(--mark-bd);font:.74rem/1.45 var(--mono);padding:.3rem 1rem;margin:0;text-align:center}
.demo-banner strong{font-weight:700}

/* ---------- header: wordmark, plain text nav, text controls ---------- */
.site-header{border-top:3px solid var(--ink);border-bottom:1px solid var(--line);background:var(--paper)}
.bar{display:flex;flex-wrap:wrap;align-items:baseline;gap:.3rem 1.5rem;padding-top:.75rem;padding-bottom:.6rem}
.wordmark{font:700 1.35rem/1.2 var(--serif);letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.wordmark:hover{text-decoration:none;color:var(--accent)}
.main-nav{display:flex;flex-wrap:wrap;gap:.1rem 1.3rem;font:.92rem var(--sans);order:3;width:100%}
.main-nav a{color:var(--ink);text-decoration:none;padding:.25rem 0;border-bottom:2px solid transparent}
.main-nav a:hover{border-bottom-color:var(--rule)}
.main-nav a[aria-current="page"]{border-bottom-color:var(--accent);font-weight:600}
.tools{display:flex;align-items:baseline;gap:1rem;margin-left:auto;font:.8rem var(--mono);color:var(--muted)}
.tools a,.tools .linklike{color:var(--muted);text-decoration:none}
.tools a:hover,.tools .linklike:hover{color:var(--accent);text-decoration:underline}
.linklike{font:inherit;background:none;border:1px solid var(--line);border-radius:var(--r);padding:.12rem .55rem;cursor:pointer}
.linklike[hidden]{display:none}
.menu-toggle{display:none;font:.8rem var(--mono);background:none;color:var(--ink);border:1px solid var(--line);border-radius:var(--r);padding:.15rem .6rem;cursor:pointer}
@media (min-width:48rem){
  .main-nav{order:0;width:auto}
}
@media (max-width:47.99rem){
  .js .menu-toggle{display:inline-block}
  .js .main-nav{display:none;flex-direction:column;gap:0;border-top:1px solid var(--rule);margin-top:.4rem}
  .js .main-nav.open{display:flex}
  .js .main-nav a{padding:.55rem 0;border-bottom:1px solid var(--rule)}
  .js .main-nav a[aria-current="page"]{border-bottom-color:var(--accent)}
  .tools{gap:.7rem}
  .rss-link{display:none}
}

/* ---------- shared bits ---------- */
.tag,.tag-sample,.tag-lab,.status{display:inline-block;font:600 .66rem/1.5 var(--mono);letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--line);color:var(--ink);border-radius:2px;padding:0 .4rem;white-space:nowrap;vertical-align:.12em}
.tag-sample{background:var(--mark);border-color:var(--mark-bd);color:var(--mark-ink);margin-left:.5rem}
.tag-lab{border-color:var(--accent);color:var(--accent);margin-left:.5rem}
.status-sample{background:var(--mark);border-color:var(--mark-bd);color:var(--mark-ink)}
.status-lab{border-color:var(--accent);color:var(--accent)}
.confirm,.is-placeholder{background:var(--mark);color:var(--mark-ink);border-radius:2px;padding:0 .3em;font:600 .76rem var(--mono);white-space:nowrap;text-decoration:none}
a.is-placeholder:hover{text-decoration:underline}
.btn{display:inline-block;font:600 .92rem/1.2 var(--sans);padding:.55rem 1rem;border:1px solid var(--ink);border-radius:var(--r);color:var(--ink);background:transparent;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--ink);color:var(--paper);text-decoration:none}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn[hidden]{display:none}
.btn.is-disabled{border-style:dashed;cursor:default;background:var(--mark);color:var(--mark-ink);border-color:var(--mark-bd)}
.count{color:var(--muted);font:.8em var(--mono)}
.arrow{font-family:var(--sans)}

/* ---------- hero: editorial headline + index card ---------- */
.hero{display:grid;gap:2.25rem 3.5rem;grid-template-columns:minmax(0,1fr);align-items:start;padding:3rem 0 2.25rem}
@media (min-width:56rem){.hero{grid-template-columns:minmax(0,1fr) 20rem;padding:4rem 0 2.75rem}}
.hero .kicker{display:flex;gap:.6rem;align-items:center}
.hero .kicker::before{content:"";width:2.2rem;border-top:3px solid var(--accent)}
.hero h1{font:600 clamp(2rem,4.4vw,3rem)/1.14 var(--serif);letter-spacing:-.015em;margin:0 0 1.4rem;text-wrap:balance;max-width:24ch}

.lede{max-width:38rem;font-size:1.1rem;color:var(--ink)}
.lede p{margin:0 0 .75rem}
.hero-links{display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;font:600 .95rem var(--sans);margin:1.4rem 0 0}
.hero-links a.primary{border-bottom:2px solid var(--accent);text-decoration:none;color:var(--ink);padding-bottom:.1rem}
.hero-links a.primary:hover{color:var(--accent)}

.index-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:0 1.15rem .4rem}
.ic-head{display:flex;justify-content:space-between;gap:1rem;margin:0 -1.15rem .2rem;padding:.55rem 1.15rem;border-bottom:2px solid var(--accent);font:600 .68rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.ic-avatar{width:3.6rem;height:3.6rem;border-radius:2px;border:1px solid var(--line);object-fit:cover;margin:.8rem 0 .2rem;display:block}
.index-card dl{margin:0}
.index-card dl>div{padding:.7rem 0;border-bottom:1px solid var(--rule)}
.index-card dl>div:last-child{border-bottom:0}
.index-card dt{font:600 .68rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 .15rem}
.index-card dd{margin:0;font-size:1rem;line-height:1.5}
.elsewhere{display:flex;flex-wrap:wrap;gap:.4rem 1rem;font:.92rem var(--sans)}

/* ---------- facts band ---------- */
.facts{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;border-block:1px solid var(--line)}
.facts li{display:flex;flex-wrap:wrap;align-items:baseline;gap:.1rem .5rem;padding:.8rem 1rem .8rem 0;margin-right:1rem}
.facts li+li{border-left:1px solid var(--rule);padding-left:1rem}
.facts .v{font:700 .92rem var(--mono);font-variant-numeric:tabular-nums}
.facts .l{font:600 .65rem var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
@media (max-width:40rem){
  .facts{display:block}
  .facts li,.facts li+li{border-left:0;margin:0;padding:.55rem 0;border-top:1px solid var(--rule)}
  .facts li:first-child{border-top:0}
}

/* ---------- home sections ---------- */
.sec{margin-top:3.75rem}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap;border-top:3px double var(--ink);padding-top:.7rem;margin-bottom:1.1rem}
.sec-head h2{font:600 1.55rem/1.2 var(--serif);margin:0}
.sec-head .more{font:600 .88rem var(--sans)}
.sec-sub{flex-basis:100%;margin:.2rem 0 0;color:var(--muted);font:.95rem var(--sans)}

.start-here{border-left:5px solid var(--accent);padding:.15rem 0 .15rem 1.4rem;margin:0 0 2.25rem}
.start-here>.label{color:var(--accent)}
.sh-list{list-style:none;margin:0;padding:0;display:grid;gap:1.35rem}
@media (min-width:60rem){.sh-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem}}
.sh-title{font:600 1.35rem/1.28 var(--serif);margin:0 0 .35rem}
.sh-title a{color:var(--ink);text-decoration:none}
.sh-title a:hover{color:var(--accent);text-decoration:underline}
.sh-sum{margin:0 0 .4rem;font-size:1rem;line-height:1.55}

.entries{list-style:none;margin:0;padding:0;border-bottom:1px solid var(--rule)}
.entry{display:grid;grid-template-columns:7.2rem minmax(0,1fr);gap:.1rem 1.4rem;padding:1rem 0;border-top:1px solid var(--rule)}
.entry-date{font:.8rem/1.4 var(--mono);color:var(--muted);font-variant-numeric:tabular-nums;padding-top:.5rem}
.entry-title{font:600 1.22rem/1.3 var(--serif);margin:0}
.entry-title a{color:var(--ink);text-decoration:none}
.entry-title a:hover{color:var(--accent);text-decoration:underline}
.entry-sum{margin:.2rem 0 0;font-size:1rem;line-height:1.55;color:var(--ink)}
.entry-meta{margin:.35rem 0 0;font:.76rem/1.5 var(--mono);color:var(--muted)}
.entry-meta a{color:var(--muted)}
.entry-meta a:hover{color:var(--accent)}
.entry-meta .sep{opacity:.6;padding:0 .3em}
@media (max-width:40rem){.entry{grid-template-columns:1fr}.entry-date{padding-top:0}}
.series-line{font:.92rem var(--sans);margin:1.1rem 0 0;color:var(--muted)}
.series-line a{margin-right:1rem;white-space:nowrap}

.defs{display:grid;gap:0 3.5rem;margin:0}
@media (min-width:48rem){.defs{grid-template-columns:1fr 1fr}}
.defs>div{padding:.85rem 0;border-top:1px solid var(--rule)}
.defs dt{font:600 .7rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 .2rem}
.defs dd{margin:0;font-size:1rem;line-height:1.55}

.dossier{display:grid;gap:2.25rem 3rem}
@media (min-width:52rem){.dossier{grid-template-columns:1fr 1fr}.dossier>div+div{border-left:1px solid var(--rule);padding-left:3rem}}
.col-head{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;font:600 .72rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 .8rem}
.col-head a{font:600 .82rem var(--sans);text-transform:none;letter-spacing:0}
.files{list-style:none;margin:0;padding:0;display:grid;gap:.8rem}
.file{border:1px solid var(--line);border-radius:var(--r);padding:.75rem 1rem .85rem;background:var(--card)}
.file-top{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .5rem;margin:0 0 .35rem}
.file-id{font:700 .8rem var(--mono);letter-spacing:.06em;margin-right:auto}
.file-title{font:600 1.1rem/1.35 var(--serif);margin:0}
.file-title a{color:var(--ink);text-decoration:none}
.file-title a:hover{color:var(--accent);text-decoration:underline}
.file p.entry-sum{font-size:.95rem}

.contact{margin-top:3.75rem;border-top:3px double var(--ink);padding-top:.7rem}
.contact h2{font:600 1.55rem/1.2 var(--serif);margin:0 0 .5rem}
.contact p{max-width:var(--measure);margin:0 0 .6rem}
.contact .elsewhere{font-size:1rem}

/* ---------- inner pages ---------- */
.page-head{margin:2.5rem 0 1.5rem}
.page-head h1{font:600 clamp(1.9rem,4vw,2.65rem)/1.15 var(--serif);letter-spacing:-.012em;margin:.2rem 0 .75rem;text-wrap:balance}
.page-head .meta{margin:0}
.prose{max-width:var(--measure)}
.prose img,.prose figure img{max-width:100%;height:auto}
.meta{font:.78rem/1.6 var(--mono);color:var(--muted)}
.meta a{color:var(--muted)}
.meta a:hover{color:var(--accent)}
.meta .sep{opacity:.6;padding:0 .35em}
.empty{color:var(--muted)}
.year{font:600 1.3rem var(--serif);border-top:3px double var(--ink);padding-top:.5rem;margin:2.5rem 0 .6rem}
.facets{margin:1.25rem 0 .5rem;border-block:1px solid var(--line);padding:.5rem 0}
.facets>div{display:grid;grid-template-columns:6.5rem minmax(0,1fr);gap:.2rem 1rem;padding:.4rem 0;align-items:baseline}
.facets dt{font:600 .7rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.facets dd{margin:0;font:.92rem/1.7 var(--sans)}
.facets dd a{margin-right:1rem;white-space:nowrap}
@media (max-width:36rem){.facets>div{grid-template-columns:1fr}}
.termlist{list-style:none;margin:1rem 0;padding:0;font:1rem/2 var(--sans)}
.termlist li{display:inline;margin-right:1.2rem;white-space:nowrap}
.back{font:.92rem var(--sans);margin-top:1.5rem}

/* ---------- article layout: TOC, progress, method box ---------- */
.post-layout{display:grid;gap:0 3.5rem;grid-template-columns:minmax(0,1fr)}
@media (min-width:72rem){
  .post-layout{grid-template-columns:minmax(0,var(--measure)) 15rem}
  .toc-side{grid-column:2;grid-row:1;align-self:start;position:sticky;top:1.5rem;max-height:calc(100vh - 3rem);overflow:auto}
  .post-main{grid-column:1;grid-row:1}
}
.toc-side{margin:0 0 1.5rem;font:.88rem/1.5 var(--sans)}
.toc-side details{border:1px solid var(--rule);border-radius:var(--r);background:var(--card);padding:.5rem 1rem}
.toc-side summary{font:600 .7rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);cursor:pointer;padding:.15rem 0}
.toc-note{margin:.4rem 0 0;color:var(--muted);font-size:.8rem}
.toc-side nav ul{list-style:none;margin:.5rem 0 0;padding:0}
.toc-side nav ul ul{margin:.2rem 0 .3rem;padding-left:.9rem;border-left:1px solid var(--rule)}
.toc-side nav li{margin:.3rem 0}
.toc-side nav a{color:var(--ink);text-decoration:none}
.toc-side nav a:hover{color:var(--accent);text-decoration:underline}
@media (min-width:72rem){
  .toc-side details{border:0;border-left:1px solid var(--line);border-radius:0;background:transparent;padding:0 0 0 1rem}
  .toc-side summary{pointer-events:none;list-style:none}
  .toc-side summary::-webkit-details-marker{display:none}
}
.read-progress{display:none}
@supports (animation-timeline:scroll()){
  .read-progress{display:block;position:fixed;inset:0 0 auto 0;height:3px;background:var(--accent);transform-origin:0 50%;transform:scaleX(0);z-index:50;animation:grow linear both;animation-timeline:scroll(root)}
  @keyframes grow{to{transform:scaleX(1)}}
}

.method-box{max-width:var(--measure);border:1px solid var(--line);border-radius:var(--r);background:var(--card);margin:0 0 1.5rem;font-size:.92rem}
.method-title{margin:0;padding:.35rem .9rem;border-bottom:1px solid var(--line);font:600 .68rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);background:var(--note-bg)}
.method-box dl{margin:0;padding:.5rem .9rem;display:grid;gap:.25rem}
.method-box dl>div{display:grid;grid-template-columns:7.5rem 1fr;gap:.75rem}
.method-box dt{color:var(--muted);font:600 .7rem/1.9 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.method-box dd{margin:0;font:.85rem/1.6 var(--mono)}
.sample-banner,.lab-banner{max-width:var(--measure);font:.92rem/1.55 var(--sans);padding:.55rem .9rem;margin:0 0 1.25rem;border-radius:var(--r);color:var(--ink)}
.sample-banner{border:1px dashed var(--mark-bd);border-left:4px solid var(--mark-bd);background:var(--mark);color:var(--mark-ink)}
.lab-banner{border:1px solid var(--accent);border-left-width:4px;background:var(--lab-bg)}
.lab-banner strong{color:var(--accent)}

.series-nav,.related{max-width:var(--measure);margin-top:2.75rem;padding-top:1rem;border-top:3px double var(--ink);font:.95rem var(--sans)}
.series-nav p{margin:0 0 .4rem}
.series-links{display:flex;flex-wrap:wrap;gap:.5rem 2rem;justify-content:space-between}
.related h2{font:600 1.2rem var(--serif);margin:0 0 .4rem}

.prose figure{margin:1.4rem 0}
figcaption{font:.85rem/1.5 var(--sans);color:var(--muted);margin-top:.35rem}
blockquote{margin:1.2rem 0;padding:.1rem 1.1rem;border-left:3px solid var(--accent);color:var(--muted);font-style:italic}
table{border-collapse:collapse;width:100%;font:.95rem var(--sans);margin-bottom:1.2rem;display:block;overflow-x:auto}
th,td{border-bottom:1px solid var(--rule);padding:.45rem .7rem .45rem 0;text-align:left;vertical-align:top}
th{border-bottom:1px solid var(--line);font:600 .72rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
hr{border:0;border-top:1px solid var(--rule);margin:2rem 0}
code,pre,kbd{font-family:var(--mono);font-size:.86em}
:not(pre)>code{background:var(--code-bg);padding:.08em .32em;border-radius:2px}
pre,.highlight pre{background:var(--code-bg);border:1px solid var(--line);border-radius:var(--r);padding:.85rem 1.1rem;overflow:auto;line-height:1.55}
.highlight{margin:0 0 1.2rem}
.highlight pre{margin:0}
.prose li{margin-bottom:.25rem}
html[data-theme="dark"] .prose img{background:#F6F0E0;border-radius:var(--r)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .prose img{background:#F6F0E0;border-radius:var(--r)}}

/* ---------- resume ---------- */
.resume-head{margin:2.25rem 0 1rem;padding-bottom:1rem;border-bottom:3px double var(--ink)}
.resume-head h1{font:600 clamp(2rem,5vw,3rem)/1.1 var(--serif);margin:.2rem 0 .3rem;letter-spacing:-.015em}
.resume-role{font:1.1rem var(--sans);color:var(--muted);margin:0 0 .6rem}
.resume-meta{display:flex;flex-wrap:wrap;gap:.3rem 1.3rem;font:.82rem var(--mono);color:var(--muted);margin:0 0 .9rem}
.resume-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin:0}
.resume-grid{display:grid;gap:2rem 3rem;margin-top:1rem}
@media (min-width:56rem){.resume-grid{grid-template-columns:minmax(0,1fr) 18rem}.resume-side{border-left:1px solid var(--rule);padding-left:2rem}}
.resume .prose{max-width:none}
.resume .prose h2{font:600 .74rem var(--mono);color:var(--muted);letter-spacing:.12em;text-transform:uppercase;border-bottom:1px solid var(--line);padding-bottom:.4rem;margin-top:2rem}
.resume .prose h3{font:600 1.15rem var(--serif);margin:1.4rem 0 .1rem}
.resume .prose h3+p{font:.8rem var(--mono);color:var(--muted);margin:0 0 .3rem}
.resume-side{align-self:start}
.resume-side h2{font:600 .74rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:.4rem;margin:0 0 .3rem}
.resume-side .defs{display:block}
.resume-side .defs>div{padding:.6rem 0}
.resume-side .defs dd{font-size:.95rem}
.resume-side .muted{font:.9rem/1.5 var(--sans)}
.resume-side h2:not(:first-child){margin-top:1.6rem}

/* ---------- footer ---------- */
.site-footer{margin-top:5rem;border-top:3px double var(--ink);color:var(--muted);font:.9rem/1.6 var(--sans);padding:1.5rem 0 1.25rem}
.foot-top{display:flex;justify-content:space-between;gap:1rem 3rem;flex-wrap:wrap}
.foot-brand{margin:0;max-width:22rem}
.foot-brand strong{font:700 1.1rem var(--serif);color:var(--ink)}
.foot-links{display:grid;gap:.5rem;justify-items:start}
.site-footer nav{display:flex;flex-wrap:wrap;gap:.3rem 1.25rem;margin:0}
.site-footer a{color:var(--ink)}
.site-footer a:hover{color:var(--accent)}
.foot-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin:1.25rem 0 0;padding-top:.9rem;border-top:1px solid var(--rule);font:.78rem var(--mono)}
.foot-bottom a{color:var(--muted)}

@media (max-width:30rem){
  body{font-size:1.05rem}
  .method-box dl>div{grid-template-columns:1fr;gap:0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media (forced-colors:active){
  .read-progress{background:Highlight}
  .confirm,.is-placeholder,.tag-sample,.status-sample{border:1px solid CanvasText}
}

/* ---------- print (Resume prints cleanly to PDF) ---------- */
@page{margin:16mm 15mm}
@media print{
  :root{--paper:#fff;--ink:#000;--muted:#333;--accent:#000;--line:#000;--rule:#999;--card:#fff;--code-bg:#fff;--note-bg:#fff;--mark:#fff;--mark-ink:#000}
  body{font-size:10.5pt;line-height:1.45;background:#fff;color:#000}
  .site-header,.skip-link,.site-footer,.demo-banner,.toc-side,.read-progress,.hero-links,.resume-actions,.series-nav,.related,.menu-toggle{display:none!important}
  .wrap{max-width:none;padding:0}
  a{color:#000;text-decoration:none}
  .prose a[href^="http"]::after,.resume-meta a[href^="http"]::after{content:" (" attr(href) ")";font-size:.85em;color:#333}
  .resume-head{margin-top:0}
  .resume-grid{display:block}
  .resume-side{border:0;padding:0;margin-top:1rem}
  .resume .prose h2,.resume-side h2{break-after:avoid}
  .resume .prose h3,.resume .prose li,.defs>div{break-inside:avoid}
  .defs{display:block}
  .confirm,.is-placeholder{border:1px solid #000;background:#fff;color:#000}
  .post-layout{display:block}
  pre,.highlight pre{white-space:pre-wrap;border-color:#999}
}
.series-line .label{display:inline;margin-right:.7rem}