@font-face{font-family:"Bricolage";src:url("/assets/fonts/bricolage-grotesque-latin-800-normal.woff2") format("woff2");font-weight:800;font-display:swap}
@font-face{font-family:"Bricolage";src:url("/assets/fonts/bricolage-grotesque-latin-600-normal.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Figtree";src:url("/assets/fonts/figtree-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Figtree";src:url("/assets/fonts/figtree-latin-600-normal.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Figtree";src:url("/assets/fonts/figtree-latin-700-normal.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"JBMono";src:url("/assets/fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}

:root{
  --ink:#0F1222; --ink-2:#2A2F45; --muted:#5A5F72; --paper:#FBFAF6; --card:#FFFFFF;
  --sand:#F1EBDD; --line:#E4DFD3; --orange:#FF5A1F; --orange-d:#E0440C; --orange-l:#FFE3D7;
  --teal:#0B8F7A; --teal-l:#DDF3EE; --sky:#E2EBFF;
  --r:18px; --r-sm:12px; --wrap:1160px; --text:720px;
  --f-head:"Bricolage",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-body:"Figtree",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"JBMono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;background:var(--paper);overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--f-body);overflow-x:clip;overscroll-behavior-x:none;min-width:0;-webkit-font-smoothing:antialiased}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration-color:var(--orange);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{color:var(--orange-d)}
p,li,td,th,h1,h2,h3,figcaption{overflow-wrap:break-word}
h1,h2,h3{font-family:var(--f-head);font-weight:800;letter-spacing:-.02em;line-height:1.12;margin:0}
h2{font-size:clamp(1.55rem,1.2rem + 1.4vw,2.15rem);margin:3.2rem 0 1rem}
h3{font-size:1.2rem;margin:2rem 0 .6rem;font-weight:800}
p{margin:0 0 1.05rem}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:10px 14px;z-index:100}
.skip:focus{left:10px;top:10px}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(251,250,246,.94);backdrop-filter:saturate(1.4) blur(8px);-webkit-backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:18px;height:60px}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{width:196px;height:auto}
.head-nav{display:flex;gap:4px;margin-left:auto}
.head-nav a{font:600 .95rem/1 var(--f-body);text-decoration:none;padding:9px 12px;border-radius:999px;color:var(--ink-2)}
.head-nav a:hover{background:var(--sand);color:var(--ink)}
.head-cta{flex:0 0 auto}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;font:700 1rem/1.1 var(--f-body);text-decoration:none;border:2px solid var(--ink);transition:transform .15s ease,background .15s ease;white-space:nowrap;text-align:center}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-d);border-color:var(--orange-d);color:#fff}
.btn-ghost{background:transparent;color:var(--paper);border-color:rgba(251,250,246,.55)}
.btn-ghost:hover{border-color:var(--paper);color:var(--paper);background:rgba(251,250,246,.08)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{background:var(--ink-2);color:var(--paper)}
.btn-sm{min-height:40px;padding:0 16px;font-size:.92rem}

/* hero */
.hero{background:var(--ink);color:var(--paper);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 70% at 92% 8%,rgba(255,90,31,.30),transparent 60%),radial-gradient(50% 60% at 0% 100%,rgba(11,143,122,.28),transparent 60%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero h1{font-size:clamp(1.85rem,1.2rem + 3vw,3.4rem);color:var(--paper);margin-bottom:18px}
.hero h1 .hl{color:var(--orange)}
.lede{font-size:1.1rem;line-height:1.6;color:#DCDDE6;margin:0 0 26px;max-width:620px}
.lede a{color:var(--paper)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{margin:14px 0 0;font-size:.85rem;color:#A9ABBA}
.hero-note a{color:#DCDDE6}
.hero-media{display:flex;justify-content:center}
.hero-media img{width:100%;max-width:440px;border-radius:28px;border:2px solid rgba(251,250,246,.16);box-shadow:0 30px 60px -20px rgba(0,0,0,.55)}

/* meta strip */
.meta-strip{border-bottom:1px solid var(--line);background:var(--card)}
.meta-in{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;padding-top:14px;padding-bottom:14px;font-size:.92rem;color:var(--muted)}
.meta-in img{width:36px;height:36px;border-radius:50%}
.meta-in .who{display:flex;align-items:center;gap:10px;color:var(--ink)}
.meta-in .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}

/* layout */
.layout{display:block}
.article{max-width:var(--text);margin:0 auto;padding:34px 0 40px}
.article > p:first-child{margin-top:0}

/* toc */
.toc{margin:6px 0 26px;border:2px solid var(--ink);border-radius:var(--r);background:var(--card)}
.toc summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;font:800 1.05rem/1.2 var(--f-head)}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"+";font:700 1.4rem/1 var(--f-mono);color:var(--orange)}
.toc details[open] summary::after{content:"\2212"}
.toc ul{margin:0;padding:2px 18px 16px;list-style:none}
.toc li{margin:.28rem 0;font-size:.97rem}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}

/* tables */
.tbl{margin:1.4rem 0 1.6rem;border:2px solid var(--ink);border-radius:var(--r);overflow:hidden;background:var(--card)}
.tbl table{width:100%;border-collapse:collapse;font-size:.95rem}
.tbl th,.tbl td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.tbl thead th{background:var(--ink);color:var(--paper);font:700 .82rem/1.25 var(--f-body);text-transform:uppercase;letter-spacing:.04em}
.tbl tbody tr:last-child td,.tbl tbody tr:last-child th{border-bottom:0}
.tbl tbody th{font-weight:700}
.tbl tbody tr:nth-child(even){background:#FCFAF4}
.tbl tr.is-pick{background:var(--orange-l)!important}
.tbl tr.is-pick th{color:var(--orange-d)}
.num{font-family:var(--f-mono);font-size:.88rem;white-space:nowrap}
.tbl caption{caption-side:bottom;text-align:left;padding:10px 14px;font-size:.85rem;color:var(--muted)}

/* figures */
.fig{margin:1.4rem auto 1.6rem;max-width:460px}
.fig img{width:100%;border-radius:24px;border:2px solid var(--ink)}

/* callout CTA */
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;margin:1.2rem 0 1.6rem;padding:18px 20px;border-radius:var(--r);background:var(--ink);color:var(--paper)}
.cta-row p{margin:0;flex:1 1 260px;font-size:.98rem;color:#DCDDE6}
.cta-row strong{color:var(--paper)}

/* sections */
.net h2{display:flex;gap:12px;align-items:baseline}
.net h2 .rank{flex:0 0 auto;display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--paper);font:800 1.15rem/1 var(--f-mono);transform:translateY(-3px)}
.net.top h2 .rank{background:var(--orange)}
.byline-note{font-size:.95rem;color:var(--muted);border-left:4px solid var(--teal);padding:6px 0 6px 14px;margin:1.2rem 0 1.4rem}
.faq h3{font-size:1.12rem}

/* page (subpages) */
.page-head{background:var(--ink);color:var(--paper);position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:radial-gradient(55% 80% at 100% 0%,rgba(255,90,31,.28),transparent 60%);pointer-events:none}
.page-head .wrap{position:relative;padding-top:38px;padding-bottom:40px}
.page-head h1{font-size:clamp(1.8rem,1.3rem + 2.4vw,2.8rem);color:var(--paper);max-width:820px}
.crumbs{font-size:.88rem;margin-bottom:14px;color:#A9ABBA}
.crumbs a{color:#DCDDE6}
.crumbs span[aria-hidden]{margin:0 6px}
.page-meta{margin:12px 0 0;font-size:.9rem;color:#A9ABBA}
.author-card{display:grid;grid-template-columns:160px minmax(0,1fr);gap:24px;align-items:center;margin:0 0 1.6rem;padding:20px;border:2px solid var(--ink);border-radius:var(--r);background:var(--card)}
.author-card img{width:160px;height:160px;border-radius:20px;object-fit:cover}
.author-card p{margin:0}
.mail{font-family:var(--f-mono);font-size:.95rem;background:var(--sand);padding:2px 8px;border-radius:8px}

/* footer */
.site-foot{background:var(--ink);color:#C9CAD6;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-top:44px;padding-bottom:30px}
.site-foot h2{font-size:.82rem;font-family:var(--f-body);font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#8E91A5;margin:0 0 12px}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin:6px 0}
.site-foot a{color:#E8E9F0;text-decoration:none}
.site-foot a:hover{color:var(--orange)}
.foot-brand img{width:196px}
.foot-brand p{font-size:.92rem;margin:14px 0 0;max-width:360px}
.foot-base{border-top:1px solid rgba(255,255,255,.1);padding-top:16px;padding-bottom:22px;font-size:.85rem;color:#8E91A5}

/* 404 */
.nf{min-height:60vh;display:grid;place-items:center;text-align:center;padding:60px 20px}
.nf .code{font:800 5rem/1 var(--f-mono);color:var(--orange)}

/* responsive */
@media (max-width:960px){
  .head-nav{display:none}
  .head-cta{margin-left:auto}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:0;padding-top:22px;padding-bottom:28px}
  .hero-media{justify-content:flex-start;margin-top:20px}
  .hero-media img{max-width:360px;border-radius:22px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1 / -1}
}
@media (max-width:700px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .head-in{height:54px;gap:10px}
  .brand img{width:168px}
  .btn-sm{min-height:36px;padding:0 12px;font-size:.85rem}
  .hero h1{font-size:1.72rem;line-height:1.1;margin-bottom:12px}
  .lede{font-size:.97rem;line-height:1.5;margin-bottom:16px}
  .hero-cta{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .hero-cta .btn{min-height:46px;padding:0 10px;font-size:.92rem;white-space:normal;line-height:1.15}
  .hero-note{margin-top:10px;font-size:.8rem}
  .hero-media{margin-top:16px}
  .hero-media img{max-width:100%}
  .article{padding-top:24px}
  h2{margin-top:2.6rem}
  .net h2 .rank{width:38px;height:38px;font-size:1rem}
  .tbl.two td,.tbl.two th{padding:10px 12px;font-size:.92rem}
  .author-card{grid-template-columns:96px minmax(0,1fr);gap:16px;padding:16px}
  .author-card img{width:96px;height:96px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
}
@media (max-width:360px){
  .hero h1{font-size:1.58rem}
  .lede{font-size:.94rem}
  .brand img{width:150px}
}
/* stacked tables */
@media (max-width:700px){
  .tbl.stack thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .tbl.stack table,.tbl.stack tbody,.tbl.stack tr,.tbl.stack th,.tbl.stack td{display:block;width:100%}
  .tbl.stack tr{padding:12px 14px;border-bottom:1px solid var(--line)}
  .tbl.stack tbody tr:last-child{border-bottom:0}
  .tbl.stack th,.tbl.stack td{border:0;padding:3px 0}
  .tbl.stack tbody th{font:800 1.08rem/1.25 var(--f-head);padding-bottom:6px}
  .tbl.stack td{display:grid;grid-template-columns:minmax(0,44%) minmax(0,56%);gap:10px;font-size:.92rem}
  .tbl.stack td::before{content:attr(data-label);font-weight:700;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;line-height:1.5}
  .tbl.stack td:empty{display:none}
  .num{white-space:normal}
}
@media (max-width:900px){
  .tbl.cmp thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .tbl.cmp table,.tbl.cmp tbody,.tbl.cmp tr,.tbl.cmp th,.tbl.cmp td{display:block;width:100%}
  .tbl.cmp tr{padding:12px 14px;border-bottom:1px solid var(--line)}
  .tbl.cmp tbody tr:last-child{border-bottom:0}
  .tbl.cmp th,.tbl.cmp td{border:0;padding:3px 0}
  .tbl.cmp tbody th{font:800 1.08rem/1.25 var(--f-head);padding-bottom:6px}
  .tbl.cmp td{display:grid;grid-template-columns:minmax(0,44%) minmax(0,56%);gap:10px;font-size:.92rem}
  .tbl.cmp td::before{content:attr(data-label);font-weight:700;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;line-height:1.5}
  .tbl.cmp td:empty{display:none}
}
@media (min-width:901px){
  .tbl.wide{width:min(1100px,calc(100vw - 40px));margin-left:calc(50% - min(550px,calc(50vw - 20px)))}
  .tbl.cmp td.num{white-space:normal}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}