/* ANTB Knowledge: soft topic tints (sand / soft blue / sage), one hero + one mosaic. Bricolage Grotesque headings at a friendlier weight, Geist body. */
.kn{--bg:#f8f6f1;--ink:#14202b;--muted:#5f6a72;--line:#e6e1d7;--white:#fff;--gold:#f2b84b;
  --h-bg:#f6e6d1;--h-ink:#6a3815;--h-ac:#c2672a;
  --c-bg:#e0e9f5;--c-ink:#1f3d68;--c-ac:#3b6db0;
  --w-bg:#e1ece0;--w-ink:#244f38;--w-ac:#3d875b;
  --display:"Bricolage Grotesque",system-ui,sans-serif;--body:Geist,system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;padding-bottom:80px}
.kn *{box-sizing:border-box}
.kn a{color:inherit;text-decoration:none}
.kn h1,.kn h2,.kn h3,.kn p{margin:0}
.kn h1,.kn h2,.kn h3{font-family:var(--display);font-weight:700;text-wrap:balance;letter-spacing:-.025em}
.kn-shell{width:min(1200px,calc(100% - 32px));margin-left:auto;margin-right:auto}
.kn a:focus-visible,.kn button:focus-visible,.kn input:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.t-history{--t-bg:var(--h-bg);--t-ink:var(--h-ink);--t-ac:var(--h-ac)}
.t-culture{--t-bg:var(--c-bg);--t-ink:var(--c-ink);--t-ac:var(--c-ac)}
.t-how{--t-bg:var(--w-bg);--t-ink:var(--w-ink);--t-ac:var(--w-ac)}

/* Hero */
.kn-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:56px 48px}
.kn-hello{font-size:14px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:10px}
.kn-hello span{display:inline-flex;gap:4px}
.kn-hello i{width:10px;height:10px;border-radius:50%;display:block}
.kn-hero h1{font-size:clamp(40px,5.6vw,68px);line-height:1.02;margin-top:16px}
.kn-hero h1 em{font-style:normal;color:var(--h-ac);background:linear-gradient(transparent 62%,var(--h-bg) 62%);padding:0 .06em}
.kn .kn-lede{margin-top:18px;font-size:18px;color:var(--muted);max-width:40ch}
.kn-search{position:relative;margin-top:30px;max-width:520px}
.kn-search input{width:100%;height:58px;border-radius:18px;border:1px solid var(--line);background:var(--white);font:500 16px var(--body);color:var(--ink);padding:0 120px 0 22px;box-shadow:0 1px 0 var(--line),0 14px 30px -22px rgba(20,32,43,.35);transition:border-color .2s}
.kn-search input:focus{border-color:var(--ink)}
.kn-search button{position:absolute;right:8px;top:8px;height:42px;padding:0 16px;border-radius:12px;border:0;background:var(--ink);color:#fff;font:600 14px var(--body);cursor:pointer}
.kn-sugg{position:absolute;left:0;right:0;top:64px;z-index:20;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:6px;box-shadow:0 20px 40px -20px rgba(20,32,43,.35);list-style:none;margin:0}
.kn-sugg a{display:flex;align-items:center;gap:12px;padding:9px 10px;border-radius:10px;font-weight:500}
.kn-sugg a:hover,.kn-sugg a:focus-visible{background:var(--bg)}
.kn-sugg small{display:block;color:var(--muted);font-size:12px}
.kn .kn-try{margin-top:14px;font-size:14px;color:var(--muted)}
.kn-try button{border:0;background:none;padding:0;font:inherit;color:var(--ink);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px;cursor:pointer}
.kn-try button:hover{text-decoration-color:var(--ink)}

.kn-feat{background:var(--t-bg);color:var(--t-ink);border-radius:28px;padding:14px;display:flex;flex-direction:column;gap:0;box-shadow:0 30px 60px -40px rgba(20,32,43,.45)}
.kn-feat-img{display:block;border-radius:18px;overflow:hidden;aspect-ratio:16/10}
.kn-feat-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.kn-feat:hover .kn-feat-img img{transform:scale(1.03)}
.kn-feat-body{padding:20px 14px 10px}
.kn-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--t-ac)}
.kn-feat h2{font-size:clamp(26px,2.6vw,34px);line-height:1.08;margin-top:8px}
.kn-ans-btn{margin-top:16px;display:inline-flex;align-items:center;gap:8px;border:0;background:var(--white);color:var(--t-ink);font:600 14px var(--body);min-height:44px;padding:0 14px;border-radius:999px;cursor:pointer}
.kn-ans-btn{list-style:none}
.kn-ans-btn::-webkit-details-marker{display:none}
.kn-ans-btn span{transition:transform .25s}
.kn-ans[open] .kn-ans-btn span{transform:rotate(180deg)}
.kn-ans p{padding-top:14px;font-size:16px;max-width:52ch}

/* Filter bar */
.kn-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-block:22px;border-top:1px solid var(--line)}
.kn-bar h2{font-size:26px;margin-right:12px}
.kn-chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--white);font:600 14px var(--body);color:var(--ink);cursor:pointer;transition:background-color .2s,border-color .2s}
.kn-chip b{font-weight:600;color:var(--muted);font-size:12px}
.kn-chip i{width:9px;height:9px;border-radius:50%;background:var(--t-ac,var(--ink))}
.kn-chip:hover{border-color:var(--ink)}
.kn-chip.on{background:var(--t-bg,var(--ink));border-color:var(--t-ac,var(--ink));color:var(--t-ink,#fff)}
.kn-chip.on b{color:inherit;opacity:.7}
.kn-bar .kn-count{margin-left:auto;font-size:14px;color:var(--muted)}
.kn-shuffle{min-height:44px;padding:0 14px;border-radius:999px;border:1px dashed var(--muted);background:none;font:600 14px var(--body);color:var(--ink);cursor:pointer}
.kn-shuffle:hover{border-style:solid}

/* Mosaic */
.kn-mosaic{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:128px;grid-auto-flow:dense;gap:16px}
.m{position:relative;border-radius:24px;overflow:hidden;background:var(--t-bg);color:var(--t-ink);display:flex;flex-direction:column;min-width:0;transition:transform .3s ease,box-shadow .3s ease}
.m:hover{transform:translateY(-3px);box-shadow:0 22px 40px -28px rgba(20,32,43,.5)}
.m-img{display:block;overflow:hidden;flex:none}
.m-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.m:hover .m-img img{transform:scale(1.04)}
.m-txt{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;min-height:0}
.m-kick{font-size:12px;font-weight:700;color:var(--t-ac)}
.m h3{font-size:20px;line-height:1.12}
.m h3 a::after{content:"";position:absolute;inset:0}
.m-dek{font-size:14.5px;opacity:.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* f: big photo tile with a floating label */
.m.f{grid-column:span 2;grid-row:span 3}
.m.f .m-img{position:absolute;inset:0}
.m.f .m-txt{position:absolute;left:14px;right:14px;bottom:14px;background:rgba(255,255,255,.94);border-radius:18px;padding:18px 20px}
.m.f h3{font-size:clamp(24px,2.4vw,30px)}
/* t: tall, image on top inside the tint */
.m.t{grid-column:span 1;grid-row:span 3}
.m.t .m-img{margin:10px 10px 0;border-radius:16px;height:58%}
.m.t .m-dek{display:none}
/* q: question card, small round photo */
.m.q{grid-row:span 2}
.m.q .m-img{position:absolute;top:16px;right:16px;width:58px;height:58px;border-radius:50%;border:3px solid var(--white)}
.m.q .m-txt{height:100%;justify-content:flex-end}
.m.q .m-kick{position:absolute;top:20px;left:18px;right:88px}
.m.q h3{font-size:22px}
.m.q.one{grid-row:span 1}
.m.q.one h3{font-size:clamp(16px,1.45vw,19px)}
.m.q.one .m-dek,.m.q.one .m-kick{display:none}
.m.q.one .m-img{top:50%;transform:translateY(-50%);width:44px;height:44px}
.m.q.one .m-txt{justify-content:center;padding-right:74px}
.m.q.wide{grid-column:span 2;grid-row:span 1}
.m.q.wide .m-kick,.m.q.wide .m-dek{display:none}
.m.q.wide .m-txt{justify-content:center;padding-right:96px}
.m.q.wide .m-img{top:50%;transform:translateY(-50%);width:62px;height:62px}
.m.q.wide h3{font-size:24px}
/* w: wide, photo left */
.m.w{grid-column:span 2;grid-row:span 2;flex-direction:row}
.m.w .m-img{width:48%;margin:10px;border-radius:16px}
.m.w .m-txt{justify-content:center;padding-left:8px}
.m.w h3{font-size:24px}

.kn-none{grid-column:1/-1;grid-row:span 1;color:var(--muted);font-size:17px;display:flex;align-items:center}

.kn-foot{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:40px}
.kn-foot a,.kn-foot .cur{height:44px;min-width:44px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:600;background:var(--white);border:1px solid var(--line)}
.kn-foot .cur{background:var(--ink);color:#fff;border-color:var(--ink)}
.kn-foot a:hover{border-color:var(--ink)}
.kn-foot .quiz{margin-left:auto;background:var(--gold);border-color:var(--gold);color:#14202b}

@media (max-width:980px){
  .kn-hero{grid-template-columns:1fr;gap:36px;padding-top:40px}
  .kn-mosaic{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .kn-mosaic{grid-auto-rows:118px;gap:12px}
  .m.f{grid-column:span 2;grid-row:span 3}
  .m.w{grid-column:span 2;grid-row:span 2}
  .m.t{grid-column:span 1;grid-row:span 3}
  .m.q.wide{grid-column:span 2}
  .m.q.one{grid-column:span 2}
  .m h3{font-size:17px}
  .kn-bar .kn-count{margin-left:0;width:100%}
  .kn-search input{padding-right:94px;padding-left:14px}.kn-search button{padding-inline:10px}
}
@media (prefers-reduced-motion:reduce){.kn *{transition:none!important}}


.knowledge-hub{margin:0;background:#f8f6f1}
.kn [hidden]{display:none!important}
.kn-sr,.kn-skip:not(:focus){position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.kn-skip:focus{position:fixed;z-index:1100;top:12px;left:12px;padding:12px;background:#fff;color:#14202b}
.kn-hero-compact{grid-template-columns:minmax(0,1fr)}
.kn-hello i:nth-child(1){background:var(--h-ac)}
.kn-hello i:nth-child(2){background:var(--c-ac)}
.kn-hello i:nth-child(3){background:var(--w-ac)}
.kn-feat-img,.m-img{background:var(--t-bg)}
.kn-feat h2 a:hover{text-decoration:underline}
.kn-topics,.kn-pagination{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.kn-chip,.kn-shuffle{white-space:nowrap}
.kn-chip:hover,.kn-foot a:hover{text-decoration:underline}
.m:focus-within{outline:3px solid var(--ink);outline-offset:3px}
.m h3{overflow-wrap:anywhere}
.m-no-image .m-txt{padding-inline:18px}
.m-no-image.f .m-txt{background:transparent}
.kn-topic-mosaic .m{grid-column:auto;grid-row:span 3;flex-direction:column}
.kn-topic-mosaic .m-img{position:relative;inset:auto;transform:none;width:auto;height:55%;margin:10px 10px 0;border:0;border-radius:16px}
.kn-topic-mosaic .m-txt{position:relative;inset:auto;height:auto;background:none;justify-content:flex-start;padding:16px 18px 18px}
.kn-topic-mosaic .m-kick{position:static;display:block}
.kn-topic-mosaic .m h3{font-size:20px}
.kn-topic-mosaic .m-dek{display:none}
@media (max-width:420px){
  .kn-hero h1{font-size:clamp(32px,10vw,42px)}
  .kn-mosaic{grid-template-columns:minmax(0,1fr);grid-auto-rows:auto;grid-auto-flow:row}
  .kn-mosaic .m{grid-column:auto;grid-row:auto;flex-direction:column}
  .kn-mosaic .m .m-img{position:relative;inset:auto;width:auto;height:auto;aspect-ratio:16/9;transform:none;margin:10px 10px 0;border:0;border-radius:16px}
  .kn-mosaic .m .m-txt{position:relative;inset:auto;height:auto;background:none;padding:16px 18px}
  .kn-mosaic .m .m-kick{position:static;display:block}
  .kn-mosaic .m h3{font-size:22px}
}