@font-face{font-family:"Archivo";src:url("/fonts/archivo-latin-wdth-normal.woff2") format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url("/fonts/source-serif-4-latin-wght-normal.woff2") format("woff2");font-weight:200 900;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url("/fonts/source-serif-4-latin-wght-italic.woff2") format("woff2");font-weight:200 900;font-style:italic;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("/fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}

/* =====================================================================
   Site design: navy and amber on warm paper (Claude Design redesign).
   Fonts: Archivo (interface), Source Serif 4 (headlines), JetBrains Mono (labels).
   ===================================================================== */

/* ---------- design tokens ---------- */
:root{
  --bg:#F6F5F1; --surface:#fff; --surface2:#EFEDE5; --ink:#0A1B33; --ink2:#2B3A52; --muted:#46556B; --muted2:#5B677A;
  --line:#D9D6CC; --line2:#B9B4A5; --brand:#0B3A6E; --brand-ink:#0B3A6E; --brand-soft:#EAF0F7;
  --accent:#B4470F; --amber:#F2A66B; --amber-hi:#F7BD8F;
  --navy:#0A1B33; --navy2:#1C3558; --navy-line:#2C4670; --on-navy:#F6F5F1; --on-navy-muted:#B7C4D8;
  --btn-bg:#0A1B33; --btn-ink:#F6F5F1; --btn-hover:#1C3558;
  --code-bg:#0F1B2D; --code-ink:#E4ECF6; --art-op:0;
  --sans:"Archivo","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:6px; --shadow:0 1px 2px rgba(10,27,51,.06),0 6px 20px -8px rgba(10,27,51,.12);
  color-scheme:light;
}
:root[data-theme=dark]{
  --bg:#0A0F18; --surface:#111A28; --surface2:#162234; --ink:#E7EEF6; --ink2:#C9D6E6; --muted:#9DB0C5; --muted2:#8DA2BA;
  --line:#1F2E42; --line2:#2E4260; --brand:#7DBBFF; --brand-ink:#7DBBFF; --brand-soft:#14263E;
  --accent:#F2A66B; --btn-bg:#F2A66B; --btn-ink:#0A1B33; --btn-hover:#F7BD8F;
  --code-bg:#0B1422; --art-op:.35; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -10px rgba(0,0,0,.6); color-scheme:dark;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --bg:#0A0F18; --surface:#111A28; --surface2:#162234; --ink:#E7EEF6; --ink2:#C9D6E6; --muted:#9DB0C5; --muted2:#8DA2BA;
  --line:#1F2E42; --line2:#2E4260; --brand:#7DBBFF; --brand-ink:#7DBBFF; --brand-soft:#14263E;
  --accent:#F2A66B; --btn-bg:#F2A66B; --btn-ink:#0A1B33; --btn-hover:#F7BD8F;
  --code-bg:#0B1422; --art-op:.35; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -10px rgba(0,0,0,.6); color-scheme:dark;
}}

/* Navy surfaces (header, home hero, author box, footer) keep the same colours in both themes. */
.masthead,.home-hero,.author-box,.foot{
  --ink:#F6F5F1; --muted:#B7C4D8; --line:#2C4670; --line2:#6F86A6; --brand-ink:#F2A66B; --accent:#F2A66B;
  color:#F6F5F1;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--brand-ink);text-underline-offset:.18em}
a:hover{color:var(--accent);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:3px}
h1,h2,h3{font-family:var(--sans);line-height:1.15;margin:0;text-wrap:balance}
p{margin:0}
.wrap{width:min(100% - 3rem,75rem);margin-inline:auto}
.skip{position:absolute;left:-999px;top:.5rem;background:#fff;color:#0A1B33;padding:.6rem 1rem;z-index:100;border-radius:var(--r)}
.skip:focus{left:.5rem}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* ---------- header ---------- */
.masthead{position:sticky;top:0;z-index:50;background:var(--navy);border-bottom:1px solid var(--navy2)}
.mast-in{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem 1.5rem;min-height:4rem}
.brand-logo{display:inline-flex;flex-direction:column;text-decoration:none;color:#F6F5F1;padding:.5rem 0;line-height:1.15}
.brand-logo:hover{color:#F6F5F1}
.brand-name{font-family:var(--serif);font-size:1.3125rem;font-weight:600;white-space:nowrap}
.brand-name strong{font-weight:600;color:var(--amber)}
.brand-role{font:400 .6875rem/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--on-navy-muted);white-space:nowrap}
.tools{display:flex;align-items:center;gap:.5rem;order:2;margin-left:auto}
.nav{order:3;flex-basis:100%;display:flex;flex-wrap:wrap;gap:.25rem;margin:0 -.5rem;padding:0 .5rem .5rem}
.nav a{white-space:nowrap;color:#F6F5F1;text-decoration:none;font-size:.875rem;padding:.5rem .625rem;border-radius:4px}
.nav a:hover{color:#F6F5F1;background:var(--navy2)}
.nav a[aria-current=page]{background:var(--navy2)}
.search-btn{display:inline-flex;align-items:center;gap:.5rem;min-height:2.5rem;padding:.5rem .875rem;border-radius:4px;background:var(--navy2);color:#F6F5F1;text-decoration:none;font-size:.875rem}
.search-btn:hover{color:#F6F5F1;background:var(--navy-line)}
.search-btn span{font-family:var(--mono)}
.icon-btn{display:grid;place-items:center;width:2.5rem;height:2.5rem;border-radius:4px;border:0;background:transparent;color:#F6F5F1;cursor:pointer}
.icon-btn:hover{background:var(--navy2)}
.i-sun{display:none}
:root[data-theme=dark] .i-sun{display:block}:root[data-theme=dark] .i-moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .i-sun{display:block}:root:not([data-theme=light]) .i-moon{display:none}}
@media (min-width:56rem){
  .nav{order:1;flex-basis:auto;margin:0 0 0 auto;padding:0}
}

/* ---------- buttons, chips, tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:2.75rem;padding:.65rem 1.375rem;border-radius:4px;border:1px solid transparent;cursor:pointer;font:600 1rem/1.2 var(--sans);text-decoration:none}
.btn.primary{background:var(--btn-bg);color:var(--btn-ink)}.btn.primary:hover{background:var(--btn-hover);color:var(--btn-ink)}
.btn.amber{background:var(--amber);color:var(--navy)}.btn.amber:hover{background:var(--amber-hi);color:var(--navy)}
.btn.ghost{border-color:var(--ink);color:var(--ink);background:transparent}.btn.ghost:hover{background:var(--surface2);color:var(--ink)}
.btn.ghost-on{border-color:#6F86A6;color:#F6F5F1;background:transparent}.btn.ghost-on:hover{background:var(--navy2);color:#F6F5F1}
.chip{display:inline-flex;flex-wrap:wrap;gap:.25rem .75rem;align-items:center;margin-bottom:.875rem;font:400 .75rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.chip a{color:var(--accent);text-decoration:none}.chip a:hover{text-decoration:underline}
.chip span{padding-left:.75rem;border-left:1px solid var(--line2);color:var(--muted2)}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;margin:1.25rem 0 0;padding:0}
.tags a{display:inline-block;font:400 .78rem/1 var(--mono);padding:.4rem .6rem;border:1px solid var(--line2);border-radius:3px;color:var(--ink);text-decoration:none}
.tags a:hover{border-color:var(--brand-ink);color:var(--brand-ink)}

/* ---------- page header (inner pages) ---------- */
.band{position:relative;overflow:hidden;background:var(--bg);color:var(--ink)}
.band-in{position:relative;z-index:1;padding:3rem 0 2rem}
.band h1{font-family:var(--serif);font-weight:500;font-size:clamp(2rem,1.2rem + 3vw,3rem);line-height:1.05;letter-spacing:-.005em;max-width:26ch;color:var(--ink)}
.band-deck{margin-top:1rem;font-size:1.0625rem;line-height:1.6;color:var(--ink2);max-width:62ch}
.byline{display:flex;flex-wrap:wrap;gap:.35rem 1.25rem;margin-top:1.25rem;font-size:.875rem;color:var(--muted2)}
.byline a{color:var(--brand-ink)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.25rem;margin:0 0 1rem;padding:0;font-size:.875rem;color:var(--muted2)}
.crumbs li+li::before{content:"/";margin-right:.25rem;opacity:.7}
.crumbs a{color:var(--brand-ink);text-decoration:none}.crumbs a:hover{color:var(--accent);text-decoration:underline}
.art-cover{position:absolute;inset:0 0 0 auto;width:min(46%,34rem);opacity:var(--art-op);pointer-events:none;-webkit-mask-image:linear-gradient(90deg,transparent,#000 55%);mask-image:linear-gradient(90deg,transparent,#000 55%)}
.art-cover .cv{width:100%;height:100%}
@media (max-width:47.99rem){.art-cover{width:100%;-webkit-mask-image:none;mask-image:none}}

/* ---------- cover system (topic cards, page header art) ---------- */
.cv{display:block;width:100%;height:100%}
.cv-bg{fill:var(--c1)}
.cv-grid{stroke:var(--c2);stroke-opacity:.12}
.cv-ln{stroke:var(--c2);stroke-opacity:.8}
.cv-n{font:700 22px var(--mono);fill:var(--c2);fill-opacity:.9;letter-spacing:.02em}
.cv-azure{--c1:#0A2A5E;--c2:#8ED0FF}.cv-avd{--c1:#073B44;--c2:#7FE0E8}.cv-citrix{--c1:#2A2160;--c2:#C3B8FF}
.cv-aws{--c1:#3A2504;--c2:#FFC766}.cv-ai{--c1:#0B3A2C;--c2:#7BE0B4}
.cv-windows-365,.cv-w365{--c1:#10305A;--c2:#9CD2FF}
.cv:where(:not([class*=" cv-"])){--c1:#0A2A5E;--c2:#8ED0FF}
.cv-hi{fill:var(--c2);stroke:none}
.band .cv-bg{fill:transparent}

/* ---------- home hero ---------- */
.home-hero{background:var(--navy);border-bottom:1px solid var(--navy2)}
.home-hero-in{display:grid;grid-template-columns:minmax(0,1fr);gap:3rem;padding:4.5rem 0 5rem}
.hero-eyebrow{margin:0 0 1.25rem;font:400 .8125rem/1.5 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--amber)}
.home-hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(2.5rem,1.2rem + 5.4vw,4.25rem);line-height:1.04;letter-spacing:-.01em;max-width:20ch;margin:0 0 1.5rem;color:#F6F5F1}
.home-hero .band-deck{color:var(--on-navy-muted);margin:0 0 2rem;max-width:60ch}
.cta{display:flex;flex-wrap:wrap;gap:.75rem}
.home-links{display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;margin-top:1.5rem;font-size:.9375rem}
.home-links a{color:var(--on-navy-muted)}.home-links a:hover{color:#fff}
.hero-scroll{overflow-x:auto}
.hero-scroll:focus-visible{outline-offset:4px}
.hero-art{margin:0;border:1px solid var(--navy-line);border-radius:var(--r);overflow:hidden;background:#081528}
.hero-art svg{display:block;width:100%;min-width:720px;height:auto}

/* ---------- sections ---------- */
.sec{padding:3rem 0}
.home-sec{padding:4rem 0 0}
.sec h2,.related h2{font-family:var(--serif);font-weight:500;font-size:clamp(1.625rem,1.2rem + 1.4vw,2.125rem);line-height:1.15;letter-spacing:0}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:.25rem 1rem;margin-bottom:1.5rem}
.sec-lede{margin:.5rem 0 0;color:var(--muted);max-width:40rem}
.more{font-weight:600;font-size:1rem}
.more::after{content:" →"}
.note-line{margin-top:1.5rem;color:var(--muted);font-size:.95rem}

/* series cards (home) */
.series-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,17.5rem),1fr));gap:1.25rem}
.scard{display:flex;flex-direction:column;gap:.625rem;padding:1.5rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
.scard:hover,.scard:focus-visible{border-color:var(--brand-ink);color:var(--ink)}
.skick{font:400 .75rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.scard strong{font-family:var(--serif);font-size:1.5rem;font-weight:500;line-height:1.2}
.sbl{font-size:.9375rem;line-height:1.55;color:var(--muted)}
.sgo{margin-top:auto;padding-top:.25rem;font-weight:600;color:var(--brand-ink)}

/* featured article (home) */
.feature{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,18.75rem),1fr));overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
.feature:hover{border-color:var(--brand-ink);color:var(--ink)}
.feat-text{display:flex;flex-direction:column;gap:.875rem;justify-content:center;padding:2.25rem}
.feat-k{font:400 .75rem/1.5 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.feature strong{font-family:var(--serif);font-size:clamp(1.75rem,1.3rem + 1.4vw,2.125rem);font-weight:500;line-height:1.1}
.feat-d{color:var(--muted);line-height:1.6}
.feat-m{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.25rem;font:400 .8rem/1 var(--mono);color:var(--muted2)}
.feat-go{font:600 1rem/1 var(--sans);color:var(--brand-ink)}
.feat-go::after{content:" →"}
.feat-fig{display:flex;align-items:center;justify-content:center;padding:1.25rem;background:#fff;border-left:1px solid var(--line)}
.feat-fig img{display:block;width:100%;height:auto}
@media (max-width:40rem){.feat-fig{border-left:0;border-top:1px solid var(--line)}.feat-text{padding:1.5rem}}

/* article lists (home, all articles) */
.alist{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.alist li{border-bottom:1px solid var(--line)}
.alist a{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:.5rem 2rem;padding:1.375rem 0;text-decoration:none;color:var(--ink)}
.alist a:hover{background:var(--surface2);color:var(--ink)}
.ak{font:400 .75rem/1.5 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.alist strong{display:block;font-family:var(--serif);font-size:1.375rem;font-weight:500;line-height:1.2}
.ad{display:block;margin-top:.375rem;font-size:.9375rem;line-height:1.55;color:var(--muted)}
.alist li[hidden]{display:none}

/* topic tiles (home) */
.topic-chips{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,12.5rem),1fr));gap:.875rem;margin:0;padding:0}
.topic-chips a{display:flex;justify-content:space-between;align-items:baseline;gap:.625rem;padding:1.125rem 1.25rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);color:var(--ink);text-decoration:none;font-weight:600;font-size:1.0625rem}
.topic-chips a:hover{border-color:var(--brand-ink);color:var(--ink)}
.topic-chips span{font-family:var(--mono);font-weight:400;font-size:.9rem;color:var(--muted2)}

/* article filter (all articles page; shown only when JavaScript runs) */
.afilter{margin-top:1.5rem}
.afilter[hidden]{display:none}
.afilter label{display:block;margin-bottom:.375rem;font-size:.875rem;font-weight:600}
.afilter input{width:100%;max-width:35rem;padding:.75rem .875rem;font:inherit;font-size:1.0625rem;color:var(--ink);background:var(--surface);border:1px solid var(--muted2);border-radius:4px}
.afilter input:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-color:var(--ink)}
.fchips{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.25rem 0 .5rem}
.fchips button{min-height:2.5rem;padding:.4rem 1rem;border:1px solid var(--ink);border-radius:999px;background:transparent;color:var(--ink);font:inherit;font-size:.9375rem;cursor:pointer}
.fchips button:hover{background:var(--surface2)}
.fchips button[aria-pressed=true]{background:var(--ink);color:var(--bg)}
.fcount{margin-top:.75rem;font:400 .8125rem/1.5 var(--mono);color:var(--muted2)}
.fempty{padding:2rem 0;color:var(--muted)}

/* ---------- article cards (topic pages) ---------- */
.grid2,.grid3{display:grid;gap:1.25rem}
@media (min-width:48rem){.grid2{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(3,1fr)}}
.acard{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.acard:hover,.acard:focus-within{border-color:var(--brand-ink)}
.acard .cover{display:block;aspect-ratio:16/8;background:var(--navy)}
.acard .cover.has-img{background:#fff;padding:.5rem;border-bottom:1px solid var(--line)}
.acard .cover.has-img img{display:block;width:100%;height:100%;object-fit:contain}
.abody{display:flex;flex-direction:column;gap:.5rem;padding:1.1rem 1.25rem 1.25rem;flex:1}
.kick{display:flex;gap:.4rem;flex-wrap:wrap;font:400 .75rem/1.5 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted2)}
.kick a{position:relative;z-index:1;color:var(--accent);text-decoration:none}.kick a:hover{text-decoration:underline}
.atitle{font-family:var(--serif);font-size:1.3125rem;font-weight:500;line-height:1.25}
.atitle a{color:var(--ink);text-decoration:none}
.atitle a::after{content:"";position:absolute;inset:0}
.adeck{color:var(--muted);font-size:.9375rem;line-height:1.55}
.ameta{display:flex;gap:1rem;margin-top:auto;padding-top:.5rem;font:400 .78rem/1 var(--mono);color:var(--muted2)}

/* ---------- series page list ---------- */
.series-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.series-list li{border-bottom:1px solid var(--line)}
.series-list a{display:grid;grid-template-columns:3.5rem 1fr;gap:.25rem 1rem;padding:1.25rem .5rem;text-decoration:none;color:var(--ink)}
.series-list a:hover{background:var(--surface2);color:var(--ink)}
.series-list .no{font:400 1.25rem/1.3 var(--mono);color:var(--accent)}
.series-list strong{display:block;font-family:var(--serif);font-size:1.375rem;font-weight:500;line-height:1.25}
.series-list .sd{display:block;margin-top:.25rem;font-size:.9375rem;color:var(--muted);line-height:1.55}
.series-list .sm{grid-column:2;font:400 .75rem/1 var(--mono);color:var(--muted2)}
.series-list .tg{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.6rem}
.series-list .tg i{font:400 .72rem/1 var(--mono);font-style:normal;padding:.3rem .5rem;border:1px solid var(--line2);border-radius:3px;color:var(--muted)}
@media (min-width:48rem){.series-list a{grid-template-columns:4rem 1fr auto;align-items:start}.series-list .sm{grid-column:3;grid-row:1}}
.series-chip{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;padding:1rem 1.25rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
.series-chip:hover{border-color:var(--brand-ink);color:var(--ink)}
.series-chip small{display:block;font:400 .75rem/1.4 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted2)}.series-chip strong{font-family:var(--serif);font-size:1.25rem;font-weight:500}

/* ---------- author box (navy) ---------- */
.author-box{display:grid;gap:1.5rem;align-items:center;padding:2.5rem;background:var(--navy);border-radius:var(--r)}
@media (min-width:48rem){.author-box{grid-template-columns:minmax(0,1fr) auto;gap:3rem}}
.ab-kick{margin-bottom:.625rem;font:400 .75rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--amber)}
.ab-name{font-family:var(--serif);font-size:2rem;font-weight:500;line-height:1.15;color:#F6F5F1}
.ab-name a{color:inherit;text-decoration:none}.ab-name a:hover{color:var(--amber)}
.ab-text{margin-top:.875rem;max-width:42rem;color:var(--on-navy-muted);line-height:1.65}
.ab-text a{color:#F6F5F1}.ab-text a:hover{color:var(--amber)}
.ab-actions{display:flex;flex-wrap:wrap;gap:.75rem}
.author-wrap{padding-bottom:1rem}
.author-wrap .author-box{padding:2rem}
.author-wrap .ab-name{font-size:1.625rem}

/* ---------- article ---------- */
.progress{position:fixed;inset:0 0 auto 0;height:3px;z-index:60;background:transparent}
.progress i{display:block;height:100%;background:var(--accent);transform:scaleX(0);transform-origin:0 50%}
.art-head .band-in{padding-bottom:1.5rem}
.art-head h1{font-size:clamp(2.125rem,1.3rem + 3.2vw,3.25rem);line-height:1.08;max-width:24ch}
.art-head .band-deck{font-family:var(--serif);font-size:1.375rem;line-height:1.5;color:var(--ink2);max-width:46rem}
.art-head .byline{max-width:46rem;padding-bottom:1.25rem;border-bottom:1px solid var(--line)}
.art-head .chip{margin-bottom:.875rem}
.post-grid{display:grid;gap:2rem;padding:2rem 0 1rem}
@media (min-width:64rem){.post-grid{grid-template-columns:minmax(0,46rem) minmax(13rem,16rem);column-gap:4rem}.post-grid .side{order:2}.post-grid .prose{order:1}}
.side{align-self:start;position:sticky;top:5rem;display:grid;gap:1rem}
@media (max-width:63.99rem){.side{order:-1;position:static;display:block}}
.tocbox{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);font-size:.9rem}
.tocbox summary{cursor:pointer;padding:.875rem 1.25rem;font-weight:600;list-style:none}
.tocbox summary::after{content:"+";float:right;font-weight:400}.tocbox[open] summary::after{content:"−"}
.tocbox ol{list-style:none;margin:0;padding:0 1.25rem 1rem;max-height:calc(100dvh - 22rem);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.tocbox li{margin:.5rem 0;line-height:1.45}
.tocbox a{color:var(--brand-ink);text-decoration:none}.tocbox a:hover,.tocbox a[aria-current=true]{text-decoration:underline}
.tocbox a[aria-current=true]{font-weight:600}
@media (max-width:63.99rem){.tocbox ol{max-height:22rem}}
.article-topics{padding:1rem 1.25rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.article-topics h2{font:600 .875rem/1.4 var(--sans);margin:0 0 .75rem}
.article-topics .tags{margin:0}
.article-topics .tags a{display:block;font:400 .8rem/1.4 var(--sans);padding:.3rem .6rem;border-radius:4px;background:var(--brand-soft);color:var(--brand-ink);border:1px solid var(--line)}
.series-back{display:block;font-size:.8rem;line-height:1.5;margin-top:1rem;padding-top:.8rem;border-top:1px solid var(--line)}

/* reading column */
.prose{font:400 1.125rem/1.7 var(--sans);min-width:0;overflow-wrap:break-word}
.prose>*{max-width:100%}
.prose>*+*{margin-top:1.25rem}
.prose h2{font:500 clamp(1.5rem,1.2rem + 1vw,1.875rem)/1.2 var(--serif);letter-spacing:0;margin-top:2.75rem;scroll-margin-top:5.5rem}
.prose h2:first-child{margin-top:0}
.prose h3{font:500 1.375rem/1.3 var(--serif);margin-top:2rem;scroll-margin-top:5.5rem}
.prose h2 .header-anchor{margin-left:.4rem;text-decoration:none;opacity:0;font-size:.8em}
.prose h2:hover .header-anchor,.prose h2 .header-anchor:focus{opacity:.6}
.prose li{margin:.4rem 0}.prose ul,.prose ol{padding-left:1.5rem}
.prose li>p+p{margin-top:.65rem}
.prose strong{font-weight:600}
.prose a{text-decoration-thickness:1px}
.prose img{display:block;margin-inline:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff;cursor:zoom-in}
.prose p>img:only-child{margin-block:.5rem}
.prose table{display:table;width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);font-size:1rem;line-height:1.55;margin-block:1.5rem}
.prose th,.prose td{padding:.75rem 1rem;text-align:left;vertical-align:top;border:0;border-top:1px solid var(--line);overflow-wrap:break-word}
.prose thead th{background:var(--navy);color:#F6F5F1;font-weight:600;border-top:0}
.prose thead th:first-child{border-top-left-radius:5px}.prose thead th:last-child{border-top-right-radius:5px}
.prose td:first-child,.prose th:first-child{min-width:7.5rem}
.prose blockquote{margin-inline:0;padding:.9rem 1.1rem;border-left:4px solid var(--brand-ink);background:var(--brand-soft);border-radius:0 var(--r) var(--r) 0;font-size:1rem;line-height:1.65}
.prose blockquote.c-warning,.prose blockquote.c-caution{border-color:#D14343;background:color-mix(in srgb,#D14343 10%,var(--surface))}
.prose blockquote.c-tip{border-color:#1F9D6B;background:color-mix(in srgb,#1F9D6B 10%,var(--surface))}
.prose blockquote p+p{margin-top:.6em}
.prose code{font:400 .88em var(--mono);background:var(--surface2);border:1px solid var(--line);border-radius:3px;padding:.1em .35em}
.prose pre{background:var(--code-bg);color:var(--code-ink);border-radius:var(--r);padding:1rem 1.15rem;overflow-x:auto;font:400 .85rem/1.65 var(--mono);border:1px solid var(--navy2)}
.prose pre code{background:none;border:0;padding:0;font-size:inherit}
.prose hr{border:0;border-top:1px solid var(--line)}
.prose>p:has(>em:only-child){font-size:.9rem;line-height:1.65;color:var(--muted2);margin-top:.75rem}
@media (max-width:40rem){
  .prose{font-size:1.0625rem}
  .prose table{display:block;overflow-x:auto}
  .prose th,.prose td{min-width:9rem}
}
/* syntax tokens (Prism classes, built at publish time, no JavaScript) */
.token.comment,.token.prolog{color:#7F93AD}.token.punctuation{color:#B6C3D4}.token.property,.token.tag,.token.constant,.token.symbol,.token.deleted{color:#7DD3FC}
.token.boolean,.token.number{color:#FDBA74}.token.selector,.token.attr-name,.token.string,.token.char,.token.builtin,.token.inserted{color:#86EFAC}
.token.operator,.token.entity,.token.url{color:#E4ECF6}.token.atrule,.token.attr-value,.token.keyword{color:#C4B5FD}.token.function,.token.class-name{color:#FDE68A}.token.regex,.token.important,.token.variable{color:#FCA5A5}

/* figures inside articles */
.article-figure{margin:1.5rem 0;padding:.75rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);width:100%}
.article-figure img{width:100%;height:auto;max-width:100%;border:0;border-radius:3px;margin:0}
.article-figure.compact{max-width:38rem;margin-inline:auto}
.article-figure figcaption{display:flex;flex-direction:column;gap:.35rem;padding-top:.5rem;margin-top:.5rem;color:#334155;font:500 .875rem/1.5 var(--sans)}
.article-figure .figure-caption{font-weight:400;color:#334155;white-space:normal}
.article-figure .figure-caption em{font-style:normal}
.article-figure .figure-caption:empty{display:none}
.article-figure figcaption a{color:#1858b0}
.article-figure .figure-zoom{font-size:.78rem;font-weight:400;color:#475569;white-space:normal}
.article-figure .figure-open{display:inline-block;min-height:44px;line-height:44px;padding:0 .25rem;margin-left:.25rem;font-size:.86rem;font-weight:600;color:#1858b0;text-decoration:underline}
.article-figure .figure-open:focus-visible{outline:3px solid #1858b0;outline-offset:2px}
@media (max-width:40rem){.article-figure{padding:.5rem}.article-figure figcaption{display:block;font-size:.78rem}.article-figure figcaption span{display:block;margin-top:.25rem}}

/* previous / next */
.pager{display:grid;gap:1rem;margin-top:3rem!important;font-family:var(--sans)}
@media (min-width:40rem){.pager{grid-template-columns:1fr 1fr}}
.pg{display:flex;flex-direction:column;gap:.35rem;padding:1rem 1.2rem;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);text-decoration:none;color:var(--ink);font-size:1rem;line-height:1.4}
a.pg:hover{border-color:var(--brand-ink);color:var(--ink)}.pg small{font:400 .75rem/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}.pg span{font-family:var(--serif);font-size:1.125rem;font-weight:500}
.pg.next{text-align:right}.pg.soon{border-style:dashed}

/* related articles */
.related{padding:3rem 0 1rem}
.related h2{margin-bottom:.75rem;font-size:1.75rem}
.rel-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.rel-list li{border-bottom:1px solid var(--line)}
.rel-list a{display:block;padding:1rem 0;font-family:var(--serif);font-size:1.25rem;line-height:1.3;color:var(--ink);text-decoration:none}
.rel-list a:hover{background:var(--surface2);color:var(--ink)}
.rel-list small{display:block;margin-bottom:.25rem;font:400 .75rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}

/* ---------- About ---------- */
.about-hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,18.75rem),1fr));gap:3rem;align-items:start}
.about-hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(2.25rem,1.4rem + 3vw,3.25rem);line-height:1.05;margin-bottom:.5rem}
.about-role{margin-bottom:1.25rem;font-size:1.25rem;color:var(--ink2)}
.about-hero p{max-width:38.75rem;font-size:1.125rem;margin-bottom:1rem}
.about-hero .about-loc{font-size:.875rem;color:var(--muted2);margin-top:1.25rem}
.about-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.75rem}
.about-card h2{font-family:var(--serif);font-weight:500;font-size:1.625rem;margin:0 0 .875rem}
.cert-list{margin:0;padding-left:1.25rem;display:grid;gap:.375rem}
.about-h{font-family:var(--serif);font-weight:500;font-size:clamp(1.625rem,1.2rem + 1.4vw,2rem);margin:3.5rem 0 1.25rem}
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,16.25rem),1fr));gap:1rem}
.about-tile{display:block;padding:1.25rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);color:var(--ink);text-decoration:none}
a.about-tile:hover{border-color:var(--brand-ink);color:var(--ink)}
.about-tile b{display:block;margin-bottom:.375rem;font-weight:600}
.about-tile span{display:block;font-size:.9375rem;color:var(--muted)}
.about-tile .repo-name{font:400 .875rem/1.4 var(--mono);color:var(--brand-ink);word-break:break-word;margin-bottom:.5rem}
.skill-list{border-top:1px solid var(--ink)}
.skill-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,12.5rem),1fr));gap:.375rem 2rem;padding:1rem 0;border-bottom:1px solid var(--line)}
.skill-row b{font-weight:600}.skill-row span{color:var(--muted)}
.prose.narrow{max-width:48rem;margin:2rem auto 0 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:2rem}
.prose.narrow>*+*{margin-top:.85rem}
.prose.narrow>h2{margin-top:2rem}
.prose.narrow>h2:first-child{margin-top:0}
@media (max-width:40rem){.prose.narrow{padding:1.1rem}}
.prose .cert-grid{list-style:none;display:grid;grid-template-columns:1fr;gap:.75rem;margin:1rem 0 1.5rem;padding:0}
.prose .cert-grid li{margin:0;display:flex;align-items:center;gap:.85rem;padding:.75rem .9rem;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.cert-badge{flex:none;display:grid;place-items:center;min-width:3.4rem;height:3.4rem;padding:0 .4rem;border-radius:50%;border:2px solid var(--brand-ink);color:var(--brand-ink);background:var(--brand-soft);font:700 .72rem/1 var(--sans);text-align:center}
.cert-text{display:flex;flex-direction:column;gap:.15rem;min-width:0}
.cert-text strong{font-size:.95rem;line-height:1.3}
.cert-text span{font-size:.82rem;color:var(--muted)}
@media (min-width:48rem){.prose .cert-grid{grid-template-columns:1fr 1fr}}

/* ---------- search ---------- */
.sform{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem;max-width:44rem}
.sform label{flex-basis:100%;font-size:.875rem;font-weight:600}
.sform input{flex:1;min-width:0;min-height:3rem;padding:.6rem 1rem;font:inherit;font-size:1.05rem;border-radius:4px;border:1px solid var(--muted2);background:var(--surface);color:var(--ink)}
.sres{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.75rem;max-width:50rem}
.sres a{display:flex;flex-direction:column;gap:.3rem;padding:1rem 1.2rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
.sres a:hover{border-color:var(--brand-ink);color:var(--ink)}.sres .k{font:400 .75rem/1.4 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}.sres strong{font-family:var(--serif);font-size:1.25rem;font-weight:500}
.sres .d,.sres .sn{color:var(--muted);font-size:.93rem;line-height:1.5}.sres .sn{font-family:var(--mono);font-size:.8rem}

/* ---------- lightbox ---------- */
dialog.zoom{border:0;padding:0;background:transparent;max-width:96vw;max-height:94vh}
dialog.zoom::backdrop{background:rgba(5,10,20,.85)}
dialog.zoom img{display:block;max-width:96vw;max-height:88vh;background:#fff;border-radius:var(--r);cursor:default}
dialog.zoom button{display:block;margin:0 0 .5rem auto;padding:.5rem 1rem;font:inherit;border-radius:var(--r);border:0;background:var(--surface);color:var(--ink);cursor:pointer}
dialog.zoom .zoom-tools{display:flex;justify-content:flex-end;gap:.5rem;margin-bottom:.5rem}
dialog.zoom .zoom-tools button{margin:0}
dialog.zoom .zoom-image{max-width:96vw;max-height:84vh;overflow:auto;background:#fff;border-radius:4px}
dialog.zoom.expanded .zoom-image img{width:var(--zoom-width);max-width:none;max-height:none;border-radius:0}

/* ---------- footer ---------- */
.foot{margin-top:5rem;background:var(--navy);color:var(--on-navy-muted);padding:3.5rem 0 1.5rem}
.foot-grid{display:grid;gap:2rem}
@media (min-width:40rem){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:64rem){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr 1.3fr}}
.foot .brand-role{display:none}
.foot-brand p{margin-top:.5rem;max-width:30ch;font-size:1rem;color:var(--on-navy-muted)}
.foot h2{font:600 1rem/1.4 var(--sans);color:#F6F5F1;margin-bottom:.625rem}
.foot nav a{display:block;color:var(--on-navy-muted);text-decoration:none;padding:.2rem 0;font-size:.9375rem}.foot nav a:hover{color:#fff;text-decoration:underline}
.creds{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;margin:0;padding:0}
.creds li{padding:.25rem .625rem;border:1px solid var(--navy-line);border-radius:4px;font:400 .8125rem/1.5 var(--mono);color:var(--on-navy-muted)}
.copy{margin-top:2.5rem;font-size:.9375rem;color:var(--on-navy-muted)}
.foot-bar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem;margin-top:1.5rem;padding-top:1.25rem;border-top:1px solid var(--navy2);font:400 .8125rem/1.5 var(--mono);color:var(--on-navy-muted)}
.notfound{padding-block:5rem}.notfound h1{font-family:var(--serif);font-weight:500;font-size:2.25rem;margin-bottom:1rem}