/* Frontier Knowledge: shared component CSS (KPUB-06/07: preview v2, Gallery Ledger). Site chrome (announce bar, nav.uh, footer) comes from the page, not here.
   Site tokens (--navy-*, --gold*, --cream, --muted, --cayman-light, --white) come from the page :root; only --kn-* are new.
   Mobile-first; tiers: phone <=600, tablet 601-1024, desktop 1025+ (the site header's hamburger runs to 1024); two-column heroes from 861. Pages put class="kn" on <body>. */
:root{
  --kn-wall-2:#111833; --kn-deep:#090d1f; --kn-mat:#141b38;
  --kn-ink-2:rgba(242,242,242,.72); --kn-prose:rgba(242,242,242,.86);
  --kn-rule:rgba(168,146,118,.22); --kn-rule-2:rgba(242,242,242,.09); --kn-frame-edge:rgba(168,146,118,.28);
  --kn-bar:rgba(13,18,41,.9); --kn-cbar:rgba(9,13,31,.94); --kn-hover:rgba(242,242,242,.05);
  --kn-spot:rgba(242,230,210,.13); --kn-shadow:rgba(0,0,0,.8); --kn-mark:rgba(168,146,118,.35);
  --kn-disp:'Playfair Display',Georgia,serif; --kn-serif:'Cormorant Garamond',Georgia,serif; --kn-sans:'Lato',system-ui,sans-serif;
  --kn-gut:clamp(18px,4.5vw,56px); --kn-sub-h:60px; --kn-scrim:rgba(5,8,20,.7); --kn-z-dialog:2100;
  --kn-ctl-edge:rgba(168,146,118,.72); /* control borders: at least 3:1 on every Knowledge ground (WCAG 1.4.11) */
}
.kn{background:var(--navy-primary);color:var(--cream)}
.kn [hidden]{display:none!important}
/* type metrics live on the Knowledge scope, never on body, so the injected site header, announce bar and footer inherit exactly what root pages give them */
.kn :where(.subnav,.tape,main,.sd){font-family:var(--kn-sans);font-size:15px;line-height:1.6}
/* resets reach only Knowledge's own areas (zero specificity via :where), never the site header, footer or announce bar */
.kn :where(.subnav,.tape,main,.sd),.kn :where(.subnav,.tape,main,.sd) *,.kn :where(.subnav,.tape,main,.sd)::before,.kn :where(.subnav,.tape,main,.sd)::after,.kn :where(.subnav,.tape,main,.sd) *::before,.kn :where(.subnav,.tape,main,.sd) *::after{box-sizing:border-box}
.kn :where(.subnav,.tape,main,.sd) a{color:inherit;text-decoration:none}
.kn :where(.subnav,.tape,main,.sd) img{max-width:100%;display:block}
.kn :where(.subnav,.tape,main,.sd) button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.kn :where(.subnav,.tape,main,.sd) :focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.kn :where(.subnav,.tape,main,.sd) :is(h1,h2,h3,h4){text-wrap:balance;font-weight:400}
.kn .pad{padding-inline:var(--kn-gut)}
.kn .lab{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--gold)}
.kn .tab{font-variant-numeric:tabular-nums lining-nums}
.kn .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}}

/* sub-nav */
.kn .subnav{position:sticky;top:0;z-index:20;background:var(--kn-bar);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--kn-rule-2);display:flex;align-items:center;gap:10px;padding-block:8px;min-height:var(--kn-sub-h)}
.kn .subnav .home{font-family:var(--kn-disp);font-size:1rem;white-space:nowrap;padding-right:10px;border-right:1px solid var(--kn-rule);display:flex;align-items:center;min-height:44px}
.kn .pchips{position:relative;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;min-width:0;flex:1;padding-block:6px;margin-block:-6px;padding-inline-end:28px;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent)}
.kn .pchips::-webkit-scrollbar{display:none}
.kn .pchips a{font-size:12.5px;white-space:nowrap;color:var(--kn-ink-2);padding:0 12px;min-height:44px;display:inline-flex;align-items:center;border-radius:999px;border:1px solid transparent;flex:none;justify-content:center;min-width:56px}
.kn .pchips a[aria-current]{background:var(--cream);color:var(--navy-primary)}
.kn .pchips a:hover{border-color:var(--kn-rule);color:var(--cream)}
.kn .pchips a[aria-current]:hover{color:var(--navy-primary)}
.kn .sbtn{display:flex;align-items:center;justify-content:center;gap:10px;font-size:12.5px;color:var(--muted);width:44px;height:44px;flex:none}
.kn .sbtn .lbl,.kn .sbtn kbd{display:none}

/* tape: static and wrapped unless JS has installed the pause button (data-ready) */
.kn .tape{position:relative;overflow:hidden;border-bottom:1px solid var(--kn-rule-2);background:var(--kn-deep)}
.kn .run{display:flex;flex-wrap:wrap;gap:0 28px;padding:0 var(--kn-gut);font-size:12px;color:var(--muted)}
.kn .run [aria-hidden="true"]{display:none}
.kn .run b{font-family:var(--kn-disp);font-weight:400;font-size:14px;color:var(--gold-pale);margin-right:8px}
.kn .tape-btn[aria-pressed="true"]{background:var(--gold);color:var(--navy-primary);box-shadow:none}
.kn .tape-btn{position:absolute;right:0;top:0;bottom:0;min-width:44px;min-height:44px;padding:0 var(--kn-gut) 0 16px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-pale);background:var(--kn-deep);border-left:1px solid var(--kn-rule);box-shadow:-20px 0 16px var(--kn-deep)}
@media (prefers-reduced-motion:no-preference){
  .kn .tape[data-ready] .run{flex-wrap:nowrap;gap:44px;width:max-content;padding-inline:0;white-space:nowrap;animation:kn-tape 60s linear infinite}
  .kn .tape[data-ready] .run [aria-hidden="true"]{display:inline}
  .kn .tape[data-ready][data-paused] .run{animation-play-state:paused}
}
@keyframes kn-tape{to{transform:translateX(-50%)}}

/* gallery frame + wall label */
.kn .frame{--fp:clamp(8px,1.4vw,16px);position:relative;background:var(--kn-mat);padding:var(--fp);border:1px solid var(--kn-frame-edge);box-shadow:0 30px 60px -30px var(--kn-shadow)}
.kn .frame::before{content:"";position:absolute;left:10%;right:10%;top:-38%;height:60%;background:radial-gradient(ellipse at 50% 100%,var(--kn-spot),transparent 70%);pointer-events:none;z-index:-1}
/* DR-25: every frame has a fixed ratio (set where it is used) and its photo is laid inside it, cropped to cover, so a portrait source never changes a card's size */
.kn .frame img{position:absolute;left:var(--fp);top:var(--fp);width:calc(100% - 2*var(--fp));height:calc(100% - 2*var(--fp));object-fit:cover}
.kn .lit{position:relative;isolation:isolate}
.kn .wl{font-size:12.5px;line-height:1.5;color:var(--kn-ink-2);border-left:1px solid var(--gold);padding-left:14px;margin-top:14px}
.kn .wl .t{font-family:var(--kn-disp);font-style:italic;font-size:1.05rem;color:var(--cream);display:block}
.kn .wl .acc{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:block;margin-top:6px}
.kn .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:700;border:1px solid var(--gold);color:var(--gold-pale);padding:13px 22px;min-height:44px}
.kn .btn:hover{background:var(--gold);color:var(--navy-primary)}

/* index: exhibition, pillars, article cards */
.kn .exh{display:grid;gap:clamp(22px,4vw,60px);align-items:center;padding-block:28px clamp(32px,5vw,64px)}
.kn .exh .frame{aspect-ratio:4/3}
.kn .exh h1{font-family:var(--kn-disp);font-size:2.05rem;line-height:1.06;margin:12px 0 14px}
.kn .dek{font-family:var(--kn-serif);font-size:clamp(1.15rem,1.8vw,1.42rem);line-height:1.4;color:var(--kn-ink-2)}
.kn .kfig{display:flex;gap:18px;margin:22px 0;padding:16px 0;border-block:1px solid var(--kn-rule)}
.kn .kfig b{display:block;font-family:var(--kn-disp);font-weight:400;font-size:1.5rem;line-height:1}
.kn .kfig span{font-size:11.5px;color:var(--muted)}
.kn .sh{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.kn .sh h2{font-family:var(--kn-disp);font-size:clamp(1.5rem,2.6vw,2rem);margin-top:6px}
.kn .sh p{color:var(--kn-ink-2);font-size:14px;max-width:46ch}
.kn .psec{background:var(--kn-wall-2);padding-block:clamp(32px,5vw,60px);border-block:1px solid var(--kn-rule-2)}
.kn .acq{padding-block:clamp(32px,5vw,64px)}
.kn .grid3{display:grid;gap:clamp(22px,3vw,44px) clamp(14px,2.4vw,30px)}
.kn .grid3:has(>:only-child){grid-template-columns:1fr}
.kn .art{display:grid;grid-template-columns:104px 1fr;gap:4px 14px;align-items:start;min-width:0;text-align:left}
.kn .art .frame{--fp:5px;grid-row:1/4;aspect-ratio:1}
.kn .art h3{font-family:var(--kn-disp);font-size:1.08rem;line-height:1.25}
.kn .art .row{grid-column:2;display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted)}
.kn .art .row b{font-family:var(--kn-disp);font-weight:400;font-size:1.05rem;color:var(--cream)}
.kn .art .row{flex-wrap:wrap;gap:4px 10px}
/* O1: a card is div.artw (sort data) = one link (a.art) + its topic chip outside the link; topics show as chips, never in a figure slot */
.kn .artw{min-width:0;display:flex;flex-direction:column;gap:10px}
.kn .tchips{display:flex;flex-wrap:wrap;gap:6px}
.kn .tchips a,.kn .by a{font-size:12.5px;color:var(--kn-ink-2);border:1px solid var(--kn-ctl-edge);border-radius:999px;display:inline-flex;align-items:center;justify-content:center;text-align:center}
.kn .tchips a{min-height:44px;padding:4px 14px}
.kn .tchips a:hover,.kn .by a:hover,.kn .tchips a:focus-visible,.kn .by a:focus-visible{border-color:var(--gold);color:var(--cream);background:var(--kn-hover)}
.kn .exh .tchips{margin-top:16px}
/* O2: a hub listing one article shows it as one wide horizontal card (stacked on a phone), then the "on the way" line; the one-column rule itself is KPUB-53's */
@media (min-width:601px){
  .kn .grid3:has(>:only-child) .art{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);grid-template-rows:1fr auto auto auto 1fr;gap:8px clamp(22px,3.4vw,48px);align-items:start}
  .kn .grid3:has(>:only-child) .art .frame{grid-column:1;grid-row:1/6;aspect-ratio:4/3}
  .kn .grid3:has(>:only-child) .art>:not(.frame){grid-column:2}
  .kn .grid3:has(>:only-child) .art .lab{grid-row:2}
  .kn .grid3:has(>:only-child) .art h3{grid-row:3;font-size:clamp(1.4rem,2.4vw,1.9rem)}
  .kn .grid3:has(>:only-child) .art .row{grid-row:4}
}
@media (min-width:861px){.kn .grid3:has(>:only-child) .art{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);column-gap:clamp(22px,4vw,60px)}}
@media (max-width:600px){
  .kn .grid3:has(>:only-child) .art{display:flex;flex-direction:column;align-items:stretch;gap:14px}
  .kn .grid3:has(>:only-child) .art .frame{--fp:8px;aspect-ratio:5/4}
  .kn .grid3:has(>:only-child) .art h3{font-size:1.25rem}
}
.kn .more{margin-top:22px;padding-top:14px;border-top:1px solid var(--kn-rule-2);font-size:13px;color:var(--muted)}

/* ledger of pillars: ROW on a phone, ROW with a thumbnail on a tablet, CARD five across on a desktop. Numerals are Roman, allocated at first publish (R1). */
.kn .pgrid{display:grid;grid-template-columns:1fr;border-top:1px solid var(--kn-rule)}
.kn .pil{display:grid;grid-template-columns:36px 1fr auto 14px;gap:4px 14px;align-items:center;min-height:64px;padding:12px 4px;border-bottom:1px solid var(--kn-rule);text-align:left}
.kn .pil .pic{display:none}
.kn .pil .num{font-family:var(--kn-disp);font-size:1.05rem;color:var(--gold)}
.kn .pil .n{font-family:var(--kn-disp);font-size:1.12rem;line-height:1.2;display:block}
.kn .pil .i{display:none;font-size:13px;color:var(--kn-ink-2);margin-top:4px;line-height:1.45}
.kn .pil .c{font-size:12px;color:var(--muted);white-space:nowrap}
.kn .pil .go{color:var(--gold);font-size:1rem}
.kn .pil:hover{background:var(--kn-hover)}
/* NEW badge (DR-19, R3). On the pillar photo it sits top right; on a phone row it is a small pill after the name's last word, wrapping with it (nowrap span), baseline-aligned and line-height safe. */
.kn .nw{white-space:nowrap}
.kn .newb{position:absolute;right:8px;top:8px;z-index:2;font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;background:var(--gold-pale);color:var(--navy-primary);padding:3px 8px;border-radius:2px;line-height:1.4}
.kn .frame .newb{right:calc(var(--fp) + 8px);top:calc(var(--fp) + 8px)}
.kn .newb.in{position:static;display:none;margin-left:8px;padding:1px 6px;font-size:9px;letter-spacing:.1em;line-height:1.4;vertical-align:baseline}
@media (max-width:600px){.kn .newb.in{display:inline-block}}
@media (min-width:601px){
  .kn .pgrid{grid-template-columns:repeat(auto-fit,minmax(min(100%,160px),1fr));border-top:0;gap:clamp(14px,1.6vw,22px)}
  .kn .pil{display:flex;flex-direction:column;align-items:stretch;gap:10px;padding:0;border:0;min-height:0}
  .kn .pil .pic{display:block;aspect-ratio:4/3;overflow:hidden;position:relative;border:1px solid var(--kn-rule)}
  .kn .pil .pic img{width:100%;height:100%;object-fit:cover;filter:saturate(.85) brightness(.9)}
  .kn .pil .pic::after{content:"";position:absolute;inset:0 0 auto 0;height:48%;background:linear-gradient(rgba(5,8,20,.7),transparent);pointer-events:none}
  .kn .pil .pnum{position:absolute;left:8px;top:6px;font-family:var(--kn-disp);color:var(--white);text-shadow:0 1px 8px rgba(0,0,0,.7);z-index:1}
  .kn .pil>.num,.kn .pil>.go{display:none}
  .kn .pil .i{min-height:5.8em;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
  .kn .pil:hover{background:none}
  .kn .pil:hover .n{color:var(--gold-pale)}
}

/* hubs: pillar hub (hero, topic rows, latest articles) and topic hub */
.kn .crumb{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:nowrap;align-items:center;padding-block:6px 0;min-width:0}
.kn .crumb>*{flex:none}
.kn .crumb a{color:var(--kn-ink-2);display:inline-flex;align-items:center;min-height:44px;border-bottom:0;text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:4px}
.kn .crumb [aria-current]{color:var(--kn-ink-2);flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:600px){.kn .crumb>span,.kn .crumb>a:not(:last-of-type){display:none}.kn .crumb>a:last-of-type::before{content:"\2190\00a0"}}
.kn .hubhero{padding-block:clamp(20px,3vw,40px)}
.kn .hubhero .frame{aspect-ratio:4/3}
.kn .hubhero.slim .frame{aspect-ratio:16/9}
@media (max-width:860px){.kn .hubhero .frame{aspect-ratio:16/9}}
.kn .hubhero .lab a{text-decoration:underline;text-decoration-color:var(--kn-rule);text-underline-offset:3px}
.kn .crows{border-top:1px solid var(--kn-rule)}
.kn .crow{display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center;padding:18px 4px;min-height:72px;border-bottom:1px solid var(--kn-rule)}
.kn .crow:hover{background:var(--kn-hover)}
.kn .crow .k{display:none;font-family:var(--kn-disp);color:var(--gold);font-size:1.05rem}
.kn .crow h3{font-family:var(--kn-disp);font-size:1.3rem;line-height:1.2}
.kn .crow .l{font-size:13px;color:var(--kn-ink-2);margin-top:4px}
.kn .crow .c{font-size:12px;color:var(--muted);text-align:right;white-space:nowrap}
.kn .crow .c b{display:block;font-family:var(--kn-disp);font-weight:400;font-size:1.4rem;color:var(--cream);line-height:1}
@media (min-width:601px){.kn .crow{grid-template-columns:44px 1fr auto}.kn .crow .k{display:block}}
.kn .topics{list-style:none;display:grid;grid-template-columns:1fr;gap:0 28px;margin-top:12px;color:var(--kn-ink-2)}
.kn .topics li{border-top:1px solid var(--kn-rule)}
.kn .topics a{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:48px;color:var(--kn-ink-2)}
.kn .topics a:hover{color:var(--cream)}
.kn .topics b{font-family:var(--kn-disp);font-weight:400;color:var(--gold);margin-right:10px}
.kn .topics .c{font-size:12px;color:var(--muted)}
@media (min-width:601px){.kn .topics{grid-template-columns:repeat(3,1fr)}}
.kn .acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* one link per card: the whole card (photo and heading) is the link; the Latest Article hero has a photo link (aria-hidden, tabindex -1) and a heading link */
.kn .imglink{display:block}
.kn .exh h1 a{border-bottom:1px solid transparent}
.kn .exh h1 a:hover,.kn .exh h1 a:focus-visible{border-bottom-color:var(--gold)}
.kn .art:hover h3{text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:4px}

/* native selects: sort (DR-23) and the phone pillar menu (DR-26) share one look */
.kn .sortrow{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--kn-ink-2);margin-left:auto}
.kn .sortrow label{white-space:nowrap}
.kn .sortrow .sel{width:auto;min-width:150px}
.kn .psel{display:none;flex:1;min-width:0;align-items:center;gap:10px}
.kn .psel .go{flex:none;min-width:44px;min-height:44px;padding:0 14px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-pale);border:1px solid var(--kn-ctl-edge)}
.kn .psel .go:hover{border-color:var(--gold)}
.kn .psel .sel{flex:1;min-width:0;background-color:transparent;border:0;border-bottom:1px solid var(--kn-ctl-edge);color:var(--kn-ink-2);font-size:13px;padding-left:2px}
/* UX F1: on a phone the select gets its own full-width row under the bar so the longest pillar name is never truncated. The two-row bar is
   too tall to pin (UX ruling), so on a phone it scrolls away and --kn-sub-h is 0: the chapter bar pins at top:0 and anchors clear only it */
@media (max-width:600px){:root{--kn-sub-h:0px}.kn .subnav{position:static}.kn .subnav.has-psel{flex-wrap:wrap;row-gap:4px}.kn .subnav.has-psel .pchips{display:none}.kn .subnav.has-psel .sbtn{margin-left:auto}.kn .subnav.has-psel .psel{display:flex;order:1;flex-basis:100%}}

/* article */
.kn .a-hero{display:grid;gap:clamp(22px,4vw,56px);align-items:end;padding-block:24px 28px}
.kn .a-hero h1{font-family:var(--kn-disp);font-size:clamp(2.1rem,4.8vw,3.9rem);line-height:1.04;margin:12px 0 16px}
.kn .by{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12px;color:var(--muted);margin-top:18px;align-items:center}
/* O4: byline keywords are search chips, 30px to the eye with a 44px hit area */
.kn .by .kw{display:flex;flex-wrap:wrap;gap:6px;flex-basis:100%}
.kn .by a{position:relative;min-height:30px;padding:0 12px}
@media (max-width:360px){.kn .by .kw{gap:14px 6px}}
.kn .by a::after{content:"";position:absolute;inset:-7px 0}
.kn .a-hero .frame{aspect-ratio:16/10}
.kn .a-body{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(22px,4vw,56px);padding-block:0 44px}
.kn .toc{display:none;position:sticky;top:calc(var(--kn-sub-h) + 12px);align-self:start;font-size:13px}
.kn .prog{height:2px;background:var(--kn-rule-2);margin:10px 0 14px}
.kn .prog i{display:block;height:100%;width:0;background:var(--gold)}
.kn .toc ol,.kn .cbar ol{list-style:none}
.kn .toc ol{display:grid;gap:2px}
.kn .toc a{display:grid;grid-template-columns:28px 1fr;align-items:center;padding:6px 0;min-height:44px;color:var(--muted)}
.kn .toc a span:first-child,.kn .cbar ol a span:first-child{font-family:var(--kn-disp);color:var(--gold)}
.kn .toc a[aria-current="true"],.kn .cbar ol a[aria-current="true"]{color:var(--cream)}
.kn .share{margin-top:18px;padding-top:14px;border-top:1px solid var(--kn-rule-2);display:grid;gap:6px;color:var(--muted);font-size:12px;justify-items:start}
.kn .share-top{margin-top:16px;padding-top:0;border-top:0}
.kn .share-end{padding-bottom:44px}
.kn .sicons{display:flex;gap:10px}
.kn .sicons a,.kn .sicons button{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--kn-rule);background:transparent;color:var(--kn-ink-2);padding:0;cursor:pointer;transition:color .2s,border-color .2s}
.kn .sicons svg{width:18px;height:18px}
.kn .sicons a:hover,.kn .sicons button:hover,.kn .sicons a:focus-visible,.kn .sicons button:focus-visible,.kn .sicons button.ok{color:var(--gold);border-color:var(--gold)}
.kn .sicons a:focus-visible,.kn .sicons button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.kn .share-top .sr:not(:empty),.kn .share-end .sr:not(:empty){position:static;width:auto;height:auto;clip:auto;overflow:visible;white-space:normal;margin:0;font-size:12px;color:var(--gold)}
@media (prefers-reduced-motion:reduce){.kn .sicons a,.kn .sicons button{transition:none}}
.kn .backlink{margin:24px 0 22px}
.kn .backlink a,.kn .hubhero .lab a,.kn .run a{display:inline-flex;align-items:center;min-height:44px}
.kn .share input{width:100%;min-height:44px;background:var(--navy-mid);color:var(--cream);border:1px solid var(--kn-rule);padding:0 10px;font:inherit;font-size:12px}
/* contents bar: native details, sticky under the sub-nav on phone and tablet */
.kn .cbar{display:block;position:sticky;top:var(--kn-sub-h);z-index:15;background:var(--kn-cbar);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--kn-rule-2);margin-inline:calc(-1*var(--kn-gut));padding-inline:var(--kn-gut)}
.kn .cbar summary{list-style:none;display:flex;align-items:center;gap:12px;padding-block:12px;min-height:48px;cursor:pointer}
.kn .cbar summary::-webkit-details-marker{display:none}
.kn .cbar .cur{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}
.kn .cbar .cur b{font-family:var(--kn-disp);font-weight:400;color:var(--gold);margin-right:8px}
.kn .cbar .ch{color:var(--gold)}
.kn .cbar[open] .ch{transform:rotate(180deg)}
.kn .cbar .prog{margin:0;position:absolute;left:0;right:0;bottom:-1px}
.kn .cbar ol{padding-bottom:10px}
.kn .cbar ol a{display:grid;grid-template-columns:30px 1fr;align-items:center;min-height:44px;padding-block:6px;color:var(--kn-ink-2);border-top:1px solid var(--kn-rule-2)}

.kn .prose{font-size:16.5px;line-height:1.75;color:var(--kn-prose)}
.kn .prose h2{font-family:var(--kn-disp);font-size:clamp(1.5rem,2.4vw,1.95rem);line-height:1.2;margin:48px 0 14px;color:var(--cream)}
.kn .prose h2 small{display:block;font-family:var(--kn-sans);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.kn .prose section[id]{scroll-margin-top:calc(var(--kn-sub-h) + 62px)}
.kn .prose section:first-child h2{margin-top:6px}
.kn .prose p{margin-bottom:1.1em}
.kn .drop::first-letter{font-family:var(--kn-disp);float:left;font-size:4.4em;line-height:.8;padding:7px 12px 0 0;color:var(--gold)}
.kn .bleed{margin-block:34px;margin-inline:calc(-1*var(--kn-gut));border-inline:0}
.kn .vault{background:var(--navy-mid);border:1px solid var(--kn-rule);padding:clamp(18px,3.4vw,40px);position:relative}
.kn .pno{position:absolute;right:clamp(14px,3vw,30px);top:clamp(14px,2.6vw,26px);font-family:var(--kn-disp);font-style:italic;color:var(--gold-pale);font-size:.95rem}
.kn .vault h3{font-family:var(--kn-disp);font-size:clamp(1.2rem,2.2vw,1.6rem);margin:8px 0 18px;max-width:28ch;padding-right:60px;color:var(--cream)}
.kn .wlv{display:flex;flex-wrap:wrap;gap:6px 22px;font-size:11.5px;color:var(--muted);border-top:1px solid var(--kn-rule);padding-top:12px;margin-top:18px}
.kn .wlv b{color:var(--gold-pale);letter-spacing:.14em;text-transform:uppercase;font-size:10px;margin-right:6px}
.kn .figs{display:grid;grid-template-columns:1fr}
.kn .figs>div{padding:16px 0;border-top:1px solid var(--kn-rule)}
.kn .figs>div:first-child{border-top:0;padding-top:0}
.kn .figs b{display:block;font-family:var(--kn-disp);font-weight:400;font-size:clamp(2.2rem,4.4vw,3.4rem);line-height:1;color:var(--white)}
.kn .figs b em{font-style:normal;color:var(--gold)}
.kn .figs span{display:block;margin-top:10px;font-size:13px;color:var(--muted);max-width:26ch}

/* chart kit: bars carry role="img" + aria-label; axis text uses --kn-ink-2 (7.97:1 on the vault) */
.kn .chart svg{width:100%;height:auto;display:block}
.kn .chart text{font-family:var(--kn-sans);fill:var(--kn-ink-2)}
.kn .chart .val{font-family:var(--kn-disp);fill:var(--white)}
.kn .bar .solid{opacity:0;fill:var(--gold)}
.kn .bar.on .solid{opacity:1}
.kn .donut{display:grid;gap:28px;align-items:center}
.kn .donut svg{width:min(250px,62vw);height:auto;margin-inline:auto}
.kn .seg{transform-origin:center}
.kn .seg.on{transform:scale(1.04)}
.kn .legend{display:grid;gap:4px}
.kn .legend button{border-bottom:1px solid var(--kn-rule);color:var(--muted);padding:12px 0;display:grid;grid-template-columns:12px 1fr auto;gap:12px;align-items:center;text-align:left;min-height:44px}
.kn .legend button.on{color:var(--white)}
.kn .legend .sw{width:10px;height:10px;border-radius:50%}
.kn .legend .pc{font-family:var(--kn-disp);font-size:1.3rem;color:var(--white)}
.kn .chart .grid{stroke:var(--kn-rule)}
.kn .ht-a{fill:var(--gold-pale)}
.kn .ht-b{fill:var(--cayman-light)}
.kn .ht-c{fill:var(--cream)}
.kn .bar .tip{fill:var(--gold-pale)}
.kn .edge-a{stroke:var(--gold);stroke-width:1.2}
.kn .edge-b{stroke:var(--cayman-light);stroke-width:1.2}
.kn .edge-c{stroke:var(--cream);stroke-width:1.2;stroke-dasharray:5 3}
.kn .legend .sw-a{background:var(--gold)}
.kn .legend .sw-b{background:var(--cayman-light)}
.kn .legend .sw-c{background:var(--cream)}
.kn .legend-note{margin-top:10px;font-size:12px;color:var(--muted)}
.kn .chart-fb{width:100%;border-collapse:collapse;font-size:14px}
.kn .chart-fb caption{text-align:left;color:var(--kn-ink-2);padding-bottom:8px}
.kn .chart-fb th,.kn .chart-fb td{padding:10px 0;border-top:1px solid var(--kn-rule);text-align:left;font-weight:400}
.kn .chart-fb td{text-align:right;font-family:var(--kn-disp);font-size:1.1rem;color:var(--white)}
.kn .srcmiss{border:2px dashed var(--gold);padding:18px;margin-block:8px;color:var(--cream);font-size:14px}
.kn .srcmiss b{color:var(--gold-pale);margin-right:6px}
.kn .split h4.m{color:var(--cayman-light)}
.kn .split h4.o{color:var(--gold)}

/* FAQ (KPUB-48): the site's accordion (cayman-join .faq-item), sized for article prose */
.kn .faq-list{margin-top:1.2em;border-top:1px solid var(--kn-rule)}
.kn .faq-item{border-bottom:1px solid var(--kn-rule)}
.kn .faq-item>summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:flex-start;gap:1.2rem;padding:1.1rem 0;min-height:44px;font-family:var(--kn-disp);font-size:1.12rem;line-height:1.45;color:var(--white)}
.kn .faq-item>summary::-webkit-details-marker{display:none}
.kn .faq-item>summary::marker{content:''}
.kn .faq-item>summary::after{content:'+';color:var(--gold);font-size:1.15rem;line-height:1.45;flex-shrink:0}
.kn .faq-item[open]>summary::after{content:'\2013'}
.kn .faq-item>summary:hover{color:var(--gold-pale)}
.kn .faq-item>summary:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.kn .prose .faq-a p{margin:0;padding:0 0 1.4rem;color:var(--kn-ink-2)}
/* in-body image (KPUB-47): the prose column's full width, no caption */
.kn .inimg{margin:0 0 1.4em;max-width:100%}
.kn .inimg img{display:block;width:100%;height:auto}
.kn .quote{margin:44px 0}
.kn .quote blockquote{font-family:var(--kn-serif);font-style:italic;font-weight:300;font-size:1.6rem;line-height:1.22;color:var(--cream)}
.kn .quote blockquote::before{content:"";display:block;width:56px;height:1px;background:var(--gold);margin-bottom:20px}
.kn .quote cite{display:block;margin-top:14px;font-style:normal;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.kn .diptych{display:grid;gap:clamp(12px,2vw,22px);margin-block:40px 34px;align-items:end}
.kn .diptych .frame:first-child{aspect-ratio:4/3}
.kn .diptych .frame:nth-child(2){aspect-ratio:4/3}
.kn .diptych .wl{grid-column:1/-1;margin-top:0}
.kn .split{display:grid;grid-template-columns:1fr;border:1px solid var(--kn-rule);margin-block:30px}
.kn .split>div{padding:clamp(16px,2.6vw,28px)}
.kn .split>div+div{border-top:1px solid var(--kn-rule)}
.kn .split h4{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;font-family:var(--kn-sans);font-weight:700;margin-bottom:12px}
.kn .split ul{list-style:none;display:grid;gap:10px}
.kn .split li{display:grid;grid-template-columns:1fr auto;gap:10px;font-size:14px}
.kn .split li b{font-family:var(--kn-disp);font-weight:400;font-size:1.02rem}
.kn .split li span{color:var(--muted);font-size:12.5px;text-align:right}
.kn .endnav{display:grid;grid-template-columns:1fr;border-block:1px solid var(--kn-rule-2)}
.kn .endnav a{padding:24px 0;display:grid;gap:4px}
.kn .endnav a+a{border-top:1px solid var(--kn-rule-2)}
.kn .endnav .t{font-family:var(--kn-disp);font-size:1.2rem}
.kn .endnav .dir{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--kn-ink-2)}
.kn .related{padding-block:44px}
.kn .join{background:var(--navy-mid);border-block:1px solid var(--kn-rule);display:grid;gap:24px;align-items:center;padding-block:40px}
.kn .join h2{font-family:var(--kn-disp);font-size:clamp(1.4rem,2.6vw,2rem);margin:6px 0 4px}
.kn .join p{color:var(--muted);font-size:14px}
.kn .join .btn{width:100%}
/* Further reading (D21): the article's external sources, before the disclaimer */
.kn .further{padding-top:28px}
.kn .further h2{font-family:var(--kn-disp);font-size:1.3rem;margin-bottom:10px}
.kn .further ul{list-style:none;display:grid;gap:8px;font-size:14px;color:var(--muted)}
.kn .further a{color:var(--kn-ink-2);text-decoration:underline;text-decoration-color:var(--kn-rule);text-underline-offset:3px;margin-right:8px}
.kn .disc{font-size:12.5px;color:var(--muted);padding-block:24px}
.kn .disc a{color:var(--kn-ink-2);text-decoration:underline;text-decoration-color:var(--kn-rule);text-underline-offset:3px;padding-block:12px;margin-block:-12px}
.kn .disc a:hover,.kn .disc a:focus-visible,.kn .crumb a:hover,.kn .crumb a:focus-visible{color:var(--gold)}

/* search dialog: above the site header (1000), its menus (1001) and the cookie banner (2000) */
.kn .sd{position:fixed;inset:0;z-index:var(--kn-z-dialog);background:var(--kn-scrim);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:stretch;padding:0}
.kn .sbox{width:100%;height:100%;background:var(--kn-mat);display:flex;flex-direction:column;min-height:0}
.kn .sbox .top{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--kn-rule)}
.kn .sbox .top svg{flex:none;color:var(--gold)}
.kn .sbox input{flex:1;min-width:0;min-height:44px;font-family:var(--kn-disp);font-size:1.25rem;border:0;background:transparent;color:var(--cream)}
.kn .sbox input::placeholder{color:var(--muted)}
.kn .sbox input:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.kn .sbox .x{min-width:44px;min-height:44px;font-size:12px;border:1px solid var(--kn-ctl-edge);padding:0 14px;color:var(--kn-ink-2)}
.kn .psel .go:active,.kn .sbox .x:active{background:var(--gold);border-color:var(--gold);color:var(--navy-primary)}
.kn .psel .go:disabled,.kn .sbox .x:disabled{opacity:.45;cursor:not-allowed;border-style:dashed;background:none;color:var(--kn-ink-2)}
/* search filters (DR-28): two labelled native selects side by side, stacked on phone; the sort select sits above the results */
.kn .sel{appearance:none;-webkit-appearance:none;background:var(--kn-wall-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23c8b4a0' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 12px center;color:var(--cream);border:1px solid var(--kn-ctl-edge);border-radius:0;min-height:44px;padding:0 34px 0 12px;font:inherit;font-size:14px;width:100%;min-width:0;text-overflow:ellipsis}
.kn .sel:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.kn .sbox .fgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:12px 20px;border-bottom:1px solid var(--kn-rule-2)}
.kn .sbox .fld{display:grid;gap:4px;min-width:0}
.kn .sbox .fld label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:700}
.kn .sbox .rhead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 16px;padding:8px 20px;border-bottom:1px solid var(--kn-rule-2)}
.kn .sbox .rcount{margin:0;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:700}
.kn .sbox .sres{overflow:auto;padding:4px 8px 16px;flex:1;min-height:0;-webkit-overflow-scrolling:touch}
.kn .sbox .rl{list-style:none;margin:0;padding:0}
.kn .sbox .hit{display:grid;grid-template-columns:72px 1fr auto;gap:2px 14px;align-items:center;min-height:64px;padding:10px 12px}
.kn .sbox .hit .th{grid-column:1;grid-row:1/4;width:72px;height:54px;background:var(--kn-deep)}
.kn .sbox .hit .th img{width:72px;height:54px;object-fit:cover}
.kn .sbox .hit:hover,.kn .sbox .hit.on{background:var(--kn-hover)}
.kn .sbox .hit .t{grid-column:2;font-family:var(--kn-disp);font-size:1.05rem;line-height:1.25}
.kn .sbox .hit .m{grid-column:2;font-size:12px;color:var(--kn-ink-2)}
.kn .sbox .hit .d{grid-column:2;font-size:13px;line-height:1.4;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kn .sbox .hit .f{grid-column:3;grid-row:1/4;max-width:9rem;text-align:right;color:var(--gold-pale)}
.kn .sbox .hit .f b{display:block;font-family:var(--kn-disp);font-weight:400;font-size:1.1rem;line-height:1.1}
.kn .sbox .hit .f small{display:block;font-size:11px;line-height:1.3;color:var(--muted);margin-top:2px}
.kn .sbox .msg button{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border:1px solid var(--gold);color:var(--gold-pale);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-right:16px}
.kn .sbox mark{background:var(--kn-mark);color:inherit}
.kn .sbox .msg{padding:20px 12px;color:var(--kn-ink-2);font-size:14px}
.kn .sbox .msg p{margin:0 0 12px;overflow-wrap:anywhere}
.kn .sbox .msg a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:3px}
.kn .sd[data-state="error"] .sbox .msg{border-left:3px solid var(--gold);background:var(--kn-hover)}
.kn .sd[data-state="loading"] .sbox .msg{font-style:italic}

@media (min-width:601px){
  .kn .subnav{gap:16px}
  .kn .subnav .home{padding-right:16px;font-size:1.05rem}
  .kn .sbtn{width:auto;height:auto;min-width:0;min-height:44px;border:1px solid var(--kn-rule);padding:8px 10px 8px 12px;justify-content:flex-start}
  .kn .sbtn .lbl{display:inline}
  .kn .pchips{-webkit-mask-image:none;mask-image:none;padding-inline-end:0}
  .kn .grid3{grid-template-columns:1fr 1fr}
  .kn .art{display:flex;flex-direction:column;align-items:stretch;gap:14px}
  .kn .art .frame{grid-row:auto;--fp:clamp(8px,1.4vw,16px);aspect-ratio:5/4}
  .kn .art h3{font-size:1.25rem}
  .kn .art .row{border-top:1px solid var(--kn-rule-2);padding-top:10px}
  .kn .kfig{gap:28px}.kn .kfig b{font-size:1.9rem}
  .kn .exh h1{font-size:clamp(2rem,4.4vw,3.5rem)}
  .kn .figs{grid-template-columns:repeat(3,1fr)}
  .kn .figs>div{padding:0 clamp(12px,2.4vw,26px);border-top:0;border-left:1px solid var(--kn-rule)}
  .kn .figs>div:first-child{border-left:0;padding-left:0}
  .kn .bleed{margin-inline:0;border-inline:1px solid var(--kn-rule)}
  .kn .prose{font-size:17px;line-height:1.8}
  .kn .quote blockquote{font-size:clamp(1.6rem,3.2vw,2.55rem)}
  .kn .diptych{grid-template-columns:1.3fr 1fr;align-items:start}
  .kn .diptych .frame:nth-child(2){aspect-ratio:3/4}
  .kn .split{grid-template-columns:1fr 1fr}
  .kn .split>div+div{border-top:0;border-left:1px solid var(--kn-rule)}
  .kn .endnav{grid-template-columns:1fr 1fr}
  .kn .endnav a+a{border-top:0;border-left:1px solid var(--kn-rule-2);padding-left:24px;text-align:right}
  .kn .join{grid-template-columns:1fr auto}
  .kn .join .btn{width:auto}
  .kn .donut{grid-template-columns:1fr}

  .kn .sd{align-items:flex-start;padding:max(7vh,16px) 16px 16px}
  .kn .sbox{width:min(760px,100%);height:auto;max-height:86vh;border:1px solid var(--kn-rule);box-shadow:0 30px 80px var(--kn-shadow)}

}
@media (min-width:601px) and (max-width:1024px){.kn .sbtn{width:44px;padding:0;justify-content:center}.kn .sbtn .lbl{display:none}}
@media (min-width:861px){
  .kn .grid3{grid-template-columns:repeat(3,1fr)}
  .kn .grid3:has(>:nth-child(2):last-child){grid-template-columns:repeat(2,1fr)}
  .kn .grid3:has(>:only-child){grid-template-columns:1fr}
  .kn .exh{grid-template-columns:1.35fr 1fr}
  .kn .a-hero{grid-template-columns:1fr 1.25fr}
  .kn .a-hero h1{font-size:clamp(1.9rem,3.1vw,2.9rem)}
}
@media (min-width:1025px){
  .kn .exh{padding-block:clamp(40px,6vw,80px) clamp(32px,5vw,64px)}
  .kn .a-hero{padding-bottom:44px}
  .kn .a-body{grid-template-columns:210px minmax(0,1fr);padding-block:24px 44px;border-top:1px solid var(--kn-rule-2)}
  .kn .toc{display:block}
  .kn .prose section[id]{scroll-margin-top:calc(var(--kn-sub-h) + 16px)}
  .kn .cbar{display:none}
  .kn .prose{max-width:68ch}
  .kn :is(.bleed,.split,.diptych){margin-right:calc(-1*clamp(0px,6vw,90px))}
  .kn .donut{grid-template-columns:auto 1fr}
}

@media (prefers-reduced-motion:reduce){
  .kn *,.kn *::before,.kn *::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .kn .tape-btn{display:none}
}
@media (prefers-reduced-motion:no-preference){
  .kn .bar .solid{transition:opacity .35s}
  .kn .seg{transition:transform .35s cubic-bezier(.2,.7,.2,1)}
}

.kn .sbox input[type=search]::-webkit-search-cancel-button{filter:grayscale(1) brightness(1.6)}
@media print{
  .kn{background:#fff}
  .kn .subnav,.kn .tape,.kn .cbar,.kn .toc,.kn .share,.kn .join,.kn .sbtn,.kn .sd,.kn #site-footer,.kn .uh,.kn .announce-bar,.ga-consent{display:none!important}
  .kn *{color:#000!important;text-shadow:none!important;box-shadow:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
  .kn .frame,.kn .vault{background:#fff!important;border:1px solid #000!important}
  .kn .frame::before{display:none}
  .kn .a-body{display:block}
  .kn .drop::first-letter{color:#000!important}
  .kn :is(.vault,.split,.diptych,.quote){break-inside:avoid}
  .kn .disc a,.kn .crumb a{border-bottom:1px solid #000}
  .kn .chart text,.kn .chart .val{fill:#000!important}
  .kn .chart .grid{stroke:#999}
  .kn .ht-a{fill:#000;r:2.7px}
  .kn .ht-b{fill:#000;r:1px}
  .kn .ht-c{fill:#666}
  .kn .bar .solid{display:none}
  .kn .bar .tip{fill:#000}
  .kn .bar rect[fill^="url"]{stroke:#000;stroke-width:1}
  .kn .edge-a,.kn .edge-b,.kn .edge-c{stroke:#000;stroke-width:1.5;stroke-dasharray:none}
  .kn .edge-a{stroke-width:2.5}
  .kn .edge-b{stroke-dasharray:8 4}
  .kn .edge-c{stroke-dasharray:2 3;stroke-linecap:round}
  .kn .seg{transform:none!important}
  .kn .legend .sw{background:none!important;border:2px solid #000;border-radius:0}
  .kn .legend .sw-a{background:#000!important}
  .kn .legend .sw-b{border-style:dashed;background:radial-gradient(#000 .7px,transparent .9px) 0 0/3px 3px!important}
  .kn .legend .sw-c{border-style:dotted;background:#bbb!important}
}
@media (max-width:600px){.kn .sbox .fgrid{grid-template-columns:1fr;padding-inline:16px}.kn .sbox .rhead{padding-inline:16px}.kn .sbox .hit{grid-template-columns:56px 1fr}.kn .sbox .hit .f{display:none}.kn .sbox .hit .th,.kn .sbox .hit .th img{width:56px;height:42px}}