:root{
  --bg:#fff; --fg:#1d2129; --muted:#667085; --line:#e5e8ee; --surface:#f7f8fa;
  --header:#33373d; --header-fg:#e9ecf1; --accent:#2767c9; --up:#0a8f4b; --down:#c8322b;
  --chip:#eef2f8; --star:#e0a800;
}
[data-theme="dark"]{
  --bg:#15171b; --fg:#e6e9ee; --muted:#9aa4b2; --line:#2a2f37; --surface:#1d2026;
  --header:#0f1114; --header-fg:#e9ecf1; --accent:#5b9bff; --chip:#242a33;
}
*{box-sizing:border-box}
body{margin:0;font:14px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--fg)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* header */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;
  background:var(--header);color:var(--header-fg);padding:0 14px;height:52px}
.burger{background:none;border:0;color:var(--header-fg);font-size:20px;cursor:pointer}
.logo{color:#fff;font-weight:800;letter-spacing:.5px;font-size:15px}
.logo span{color:#9aa4b2;font-weight:600}
.mainnav{display:flex;gap:4px;margin-left:auto;align-items:center}
.dd{display:flex;align-items:center}
.mainnav>a,.mainnav .ddbtn{color:var(--header-fg);padding:8px 10px;border-radius:6px;font-size:13.5px}
.mainnav>a:hover,.ddbtn:hover{background:rgba(255,255,255,.08);text-decoration:none}
.dd{position:relative}
.ddmenu{display:none;position:absolute;top:100%;left:0;background:var(--bg);border:1px solid var(--line);
  border-radius:8px;min-width:170px;box-shadow:0 8px 24px rgba(0,0,0,.18);padding:6px 0}
.ddmenu.open{display:block}
.ddmenu a{display:block;padding:7px 14px;color:var(--fg)}
.ddmenu a:hover{background:var(--surface);text-decoration:none}
.searchwrap{position:relative}
.searchwrap input{background:transparent;border:0;border-bottom:1px solid #5a6069;color:var(--header-fg);
  padding:6px 4px;width:150px;outline:none}
.searchresults{display:none;position:absolute;right:0;top:110%;width:290px;background:var(--bg);
  border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.18);overflow:hidden}
.searchresults.open{display:block}
.searchresults a{display:flex;justify-content:space-between;padding:8px 12px;color:var(--fg)}
.searchresults a:hover{background:var(--surface);text-decoration:none}
.searchresults .k{color:var(--muted);font-size:12px}
.userbtn{background:none;border:0;color:var(--header-fg);font-size:18px;cursor:pointer}

/* offcanvas */
.offcanvas{position:fixed;top:0;bottom:0;width:290px;max-width:85vw;background:var(--bg);z-index:70;
  transition:transform .22s;overflow-y:auto;padding:14px;border-right:1px solid var(--line)}
.offcanvas.left{left:0;transform:translateX(-100%)}
.offcanvas.right{right:0;left:auto;transform:translateX(100%);border-left:1px solid var(--line);border-right:0}
.offcanvas.open{transform:none}
.oc-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:60}
.oc-backdrop.open{display:block}
.oc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.oc-close{background:none;border:0;font-size:22px;cursor:pointer;color:var(--fg)}
.oc-link{display:block;padding:9px 4px;border-bottom:1px solid var(--line);color:var(--fg);font-weight:600}
.offcanvas details{border-bottom:1px solid var(--line);padding:4px 0}
.offcanvas summary{padding:7px 4px;font-weight:600;cursor:pointer}
.offcanvas details a{display:block;padding:6px 14px;color:var(--fg)}
.oc-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px;margin:10px 0}
.oc-card p{margin:6px 0 0;color:var(--muted);font-size:13px}
.oc-row{display:flex;justify-content:space-between;align-items:center;padding:10px 2px}
.theme-toggle{font-size:18px;background:none;border:1px solid var(--line);border-radius:50%;
  width:34px;height:34px;cursor:pointer;color:var(--fg)}

/* layout */
.page{max-width:1200px;margin:0 auto;padding:18px 14px}
h1{font-size:24px;margin:10px 0 6px}
.h1sub{color:var(--muted);font-weight:400;font-size:15px}
h2{font-size:18px;margin:22px 0 8px}
.blurb{color:var(--muted);max-width:820px}
.note-box{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:6px;padding:12px 14px;margin:14px 0;color:var(--muted)}
.fineprint{color:var(--muted);font-size:12.5px}

/* home */
.home-grid{display:grid;grid-template-columns:1fr 320px;gap:20px}
.hero-card{background:var(--header);color:#fff;border-radius:10px;padding:22px;margin-bottom:14px}
.hero-card h1{margin:0 0 8px;font-size:26px}
.hero-card a{color:#fff}
.hero-card p{color:#cfd6df;margin:0 0 8px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:12px}
.news-card h3{margin:0 0 6px;font-size:14.5px}
.news-card p{margin:0 0 6px;color:var(--muted);font-size:13px}
.ts{color:var(--muted);font-size:12px}

.quote-widget{border:1px solid var(--line);border-radius:8px;overflow:hidden}
.tabs{display:flex;border-bottom:1px solid var(--line);background:var(--surface)}
.tab{flex:1;background:none;border:0;padding:9px 4px;cursor:pointer;font-size:12.5px;color:var(--muted)}
.tab.active{color:var(--fg);font-weight:700;border-bottom:2px solid var(--accent)}
.qtable{width:100%;border-collapse:collapse;font-size:13px}
.qtable.hidden{display:none}
.qtable td,.qtable th{padding:5.5px 8px;border-bottom:1px solid var(--line);text-align:right}
.qtable td:first-child,.qtable th:first-child{text-align:left}
.more{display:block;padding:8px 12px;font-size:13px}

/* tables */
.data-table{width:100%;border-collapse:collapse;margin:10px 0 18px;font-size:13.5px}
.data-table th{background:var(--surface);text-align:right;padding:8px;border-bottom:2px solid var(--line);
  cursor:pointer;white-space:nowrap}
.data-table th:first-child{text-align:left}
.data-table td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
.data-table td:first-child{text-align:left}
.num{font-variant-numeric:tabular-nums}
.up{color:var(--up)} .down{color:var(--down)}
.unit{color:var(--muted);font-size:12px}
.stars{color:var(--star);font-size:11px;margin-left:6px}
.dayhead{font-weight:800}
.time{color:var(--muted);margin-right:8px;font-variant-numeric:tabular-nums}
.cc{display:inline-block;background:var(--chip);border-radius:4px;padding:1px 6px;font-size:11.5px;
  margin-right:8px;color:var(--muted)}

/* matrix */
.matrix-strip{background:var(--header);border-radius:10px;padding:10px 14px;margin-top:22px}
.matrix{width:100%;border-collapse:collapse;font-size:13px;color:#dfe4ea}
.matrix th{color:#9aa4b2;text-align:right;padding:8px;border-bottom:1px solid #4a4f57}
.matrix th:first-child{text-align:left}
.matrix td{padding:7px 8px;text-align:right;border-bottom:1px solid #3c4046}
.matrix td:first-child{text-align:left}
.matrix a{color:#e6ecf5}
.matrix .more{color:#9ec1f7}

/* TE-style quote grids */
.qgrid{table-layout:fixed}
.qgrid th{white-space:nowrap}
.qgrid td{padding:8px 10px}
.qgrid .namecol{width:220px}
.qgrid td.namecol{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mname b{font-weight:700}
.flg{width:16px;height:12px;margin-right:7px;vertical-align:baseline;border-radius:1px}
.tri{font-size:10px}
.datec{color:var(--muted)}
.hm-g1{background:#e9f6ee}.hm-g2{background:#cdebd8;color:#0a6b39}.hm-g3{background:#a5dcb9;color:#07572e}
.hm-r1{background:#fdecea}.hm-r2{background:#f9d2ce;color:#9c231d}.hm-r3{background:#f3aca6;color:#7c1712}
[data-theme="dark"] .hm-g1{background:rgba(16,150,80,.15)}
[data-theme="dark"] .hm-g2{background:rgba(16,150,80,.3);color:#7fe0a8}
[data-theme="dark"] .hm-g3{background:rgba(16,150,80,.45);color:#a5f0c3}
[data-theme="dark"] .hm-r1{background:rgba(200,50,43,.15)}
[data-theme="dark"] .hm-r2{background:rgba(200,50,43,.3);color:#ff9d96}
[data-theme="dark"] .hm-r3{background:rgba(200,50,43,.45);color:#ffb9b3}
.movers-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:8px}
@media (max-width:900px){.movers-grid{grid-template-columns:1fr}}
.vizpane{display:none;margin-top:6px}
.vizpane.active{display:block}
.tm-wrap{position:relative;height:560px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#141821}
.tm-tile{position:absolute;overflow:hidden;border:1px solid #141821;padding:4px 6px;box-sizing:border-box;line-height:1.25;text-align:center;display:flex;flex-direction:column;justify-content:center}
.tm-band{position:absolute;height:20px;background:#0e1118;color:#cfd6df;font-size:11px;font-weight:700;letter-spacing:.5px;padding:3px 8px;box-sizing:border-box;overflow:hidden;white-space:nowrap;z-index:2}
.geo-svg{width:100%;background:#f6f9fc;border:1px solid var(--line);border-radius:8px}
[data-theme="dark"] .geo-svg{background:#1a1e26}
.geo-label{font-size:10px;font-weight:700;fill:#243040;text-anchor:middle;paint-order:stroke;stroke:#fff;stroke-width:2px}
.geo-leg{display:inline-flex;align-items:center;gap:6px;margin-top:8px;color:var(--muted);font-size:12.5px}
.geo-leg i{display:inline-block;width:26px;height:12px;border-radius:3px}
.scatter-svg{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:8px}
.scatter-svg .ax{font-size:13px;fill:var(--muted)}
.scatter-svg .ptlabel{font-size:11px;fill:var(--fg)}
#scatterCtl label{margin-right:14px;color:var(--muted);font-size:13px}
#scatterCtl select{padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg)}
.corr-table{border-collapse:collapse;font-size:11.5px}
.corr-table th{padding:5px 6px;background:var(--surface);border:1px solid var(--line);max-width:74px;overflow:hidden;white-space:nowrap}
.corr-table td{padding:5px 6px;border:1px solid var(--line);text-align:center;font-variant-numeric:tabular-nums;color:#1c2430}
.corr-table .cc-diag{background:var(--surface);color:var(--fg);font-weight:700}
.corr-table .cc-na{color:var(--muted)}

.viewrow{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}
.vbtn{border:1px solid var(--line);border-radius:6px;padding:6px 13px;font-size:13px;color:var(--fg);background:var(--bg)}
.vbtn.cur{border-color:var(--fg);font-weight:700}
.vbtn.off{color:var(--muted);cursor:default}
a.vbtn:hover{text-decoration:none;border-color:var(--accent)}
.subnav .export{margin-left:auto;color:var(--fg)}

/* toolbar / subnav / dirs */
.toolbar{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}
.tbtn{border:1px solid var(--line);border-radius:6px;padding:5px 11px;color:var(--fg);font-size:13px}
.tbtn.cur{background:var(--accent);border-color:var(--accent);color:#fff}
.tbtn:hover{text-decoration:none;border-color:var(--accent)}
.sep{flex-basis:100%}
.subnav{display:flex;gap:8px;border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:6px}
.subnav a{padding:5px 10px;border-radius:6px}
.subnav a.cur{background:var(--accent);color:#fff}
.dir-sec h2{border-bottom:1px solid var(--line);padding-bottom:5px}
.dir-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:4px 16px}
.dir-grid a{padding:4px 0}

/* detail */
.detail-grid{display:grid;grid-template-columns:1fr 250px;gap:24px}
.detail-rail select{width:100%;padding:8px;border:1px solid var(--line);border-radius:6px;
  background:var(--bg);color:var(--fg)}
.rail-label{font-size:12px;color:var(--muted)}
.rail-links{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.chart{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:8px;margin:12px 0 4px}
.chart-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:8px}
.quote-line{display:flex;align-items:baseline;gap:12px;margin:6px 0 4px}
.bigprice{font-size:30px;font-weight:800}

/* learn + ai-agents */
.learn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin-top:16px}
.learn-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.learn-card h2{margin:0 0 8px;font-size:16px}
.learn-card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.55}
.prompt-text{white-space:pre-wrap;background:var(--bg);border:1px solid var(--line);border-radius:8px;
  padding:10px;font-size:12.5px;line-height:1.5;color:var(--fg);margin:0 0 10px}
.copybtn{cursor:pointer;background:var(--accent);color:#fff;border-color:var(--accent)}

/* stream */
.stream-item{border-bottom:1px solid var(--line);padding:12px 0}
.stream-item h3{margin:0 0 6px}
.chip{display:inline-block;background:var(--chip);border-radius:4px;padding:2px 8px;font-size:12px;margin-right:6px}

/* mega footer + footer */
.megafooter{max-width:1200px;margin:30px auto 0;padding:16px 14px;display:grid;
  grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px;border-top:1px solid var(--line)}
.megafooter h2{font-size:14px;margin:0 0 8px}
.megafooter a{display:block;color:var(--muted);font-size:12.5px;padding:2px 0}
.footer{background:var(--header);color:#cfd6df;margin-top:26px;padding:26px 14px;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px}
.f-col b{display:block;color:#fff;margin-bottom:8px}
.f-col a{display:block;color:#cfd6df;padding:3px 0;font-size:13px}
.f-langs{color:#9aa4b2;font-size:13px}
.f-legal{grid-column:1/-1;color:#9aa4b2;font-size:12px;border-top:1px solid #4a4f57;padding-top:12px}

/* responsive */
@media (max-width:900px){
  .mainnav{display:none}
  .home-grid,.detail-grid{grid-template-columns:1fr}
  .searchwrap input{width:90px}
  html,body{overflow-x:hidden}
  .data-table{display:block;overflow-x:auto}
  .matrix-strip{overflow-x:auto}
}

/* ============================================================
   TRADEMETRICS THEME — hybrid of the reference set:
   cream canvas + deep-navy surfaces (fluent/umbrel), heavy display
   type (SaveDay/TinyWins), pill buttons + rounded cards
   (ellipsus/Gemnote), lime accent. Overrides the base layer above;
   data-table formats (heat cells, columns) intentionally untouched.
   ============================================================ */
:root{
  --bg:#f6f4ee; --fg:#12161c; --muted:#68707c; --line:#e6e1d5; --surface:#ffffff;
  --header:#0c1220; --header-fg:#eef1f6; --accent:#1d4ed8; --chip:#efece3;
  --lime:#a3e635; --navy:#0c1220; --radius:14px;
}
[data-theme="dark"]{
  --bg:#0b0f17; --fg:#e8ebf1; --muted:#94a0b0; --line:#232a38; --surface:#121826;
  --header:#080c14; --header-fg:#eef1f6; --accent:#7ea8ff; --chip:#1b2231;
}
body{font-size:14.5px}

/* header: taller navy bar, pill search, lime logo accent */
.topbar{height:58px;gap:16px;background:var(--header)}
.logo{font-size:17px;letter-spacing:-0.02em;font-weight:800}
.logo span{color:#9fb0c8;font-weight:800}
.logo .tld{color:var(--lime);font-style:normal;font-weight:800;margin-left:1px}
.mainnav>a,.mainnav .ddbtn{border-radius:999px;padding:7px 13px;font-size:13.5px}
.mainnav>a:hover,.ddbtn:hover{background:rgba(255,255,255,.1)}
.searchwrap input{border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:7px 14px;width:170px;background:rgba(255,255,255,.06)}
.searchwrap input::placeholder{color:#8b97a8}

/* display typography */
h1{font-size:34px;font-weight:900;letter-spacing:-0.03em;line-height:1.08;margin:14px 0 8px}
.h1sub{font-size:15px;font-weight:500;letter-spacing:0;color:var(--muted)}
h2{font-size:20px;font-weight:800;letter-spacing:-0.015em}
.blurb{font-size:15px}

/* pills + cards */
.subnav{gap:6px;border-bottom:0;padding:6px 0 2px}
.subnav a{border:1px solid var(--line);border-radius:999px;padding:7px 15px;background:var(--surface);font-weight:600;font-size:13.5px}
.subnav a.cur{background:var(--navy);border-color:var(--navy);color:#fff}
.subnav a:hover{text-decoration:none;border-color:var(--navy)}
.subnav .export{border:1px dashed var(--line);margin-left:auto}
[data-theme="dark"] .subnav a.cur{background:var(--lime);border-color:var(--lime);color:#0c1220}
.vbtn{border-radius:999px;padding:7px 15px;font-weight:600;background:var(--surface)}
.vbtn.cur{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:700}
[data-theme="dark"] .vbtn.cur{background:var(--lime);border-color:var(--lime);color:#0c1220}
.tbtn{border-radius:999px;padding:6px 14px;font-weight:600;background:var(--surface)}
.tbtn.cur{background:var(--navy);border-color:var(--navy);color:#fff}
[data-theme="dark"] .tbtn.cur{background:var(--lime);border-color:var(--lime);color:#0c1220}
.copybtn{background:var(--navy);border-color:var(--navy);border-radius:999px}
.copybtn:hover{background:#1c2a45}

/* tables read as rounded cards; formats unchanged */
.data-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  border-collapse:separate;border-spacing:0;background:var(--surface)}
.data-table th{background:var(--chip);border-bottom:1px solid var(--line)}
.data-table td{border-bottom:1px solid var(--line)}
.data-table tbody tr:last-child td{border-bottom:0}
.qtable{background:var(--surface)}
.quote-widget{border-radius:var(--radius);background:var(--surface)}
.tabs{background:var(--chip)}

/* hero + news cards (fluent-style navy glow) */
.hero-card{background:radial-gradient(120% 160% at 85% -20%, #1b2f55 0%, #0c1220 55%);
  border-radius:18px;padding:26px}
.hero-card h1{font-size:30px;letter-spacing:-0.03em}
.news-card{border-radius:var(--radius);box-shadow:0 1px 2px rgba(15,20,30,.04)}
.news-card h3{font-weight:700}
.matrix-strip{background:var(--navy);border-radius:18px;padding:14px 18px}
.learn-card{border-radius:var(--radius);box-shadow:0 1px 2px rgba(15,20,30,.04)}
.note-box{border-radius:var(--radius);border-left-width:4px}
.prompt-text{border-radius:10px}

/* dir + toolbar polish */
.dir-sec h2{border-bottom:1px solid var(--line);padding-bottom:6px}
.toolbar{gap:6px}

/* offcanvas + footer */
.offcanvas{border-radius:0 18px 18px 0}
.offcanvas.right{border-radius:18px 0 0 18px}
.oc-card{border-radius:12px}
.footer{background:var(--navy);border-radius:24px 24px 0 0;margin-top:34px}
.megafooter{border-top:1px solid var(--line)}
.f-col a:hover{color:var(--lime)}

/* geo + viz surfaces */
.geo-svg,.scatter-svg,.chart{border-radius:var(--radius)}
.tm-wrap{border-radius:var(--radius)}

/* ---------------- mobile layout pass ---------------- */
@media (max-width:900px){
  .topbar{height:52px;gap:10px;padding:0 10px}
  .searchwrap input{width:110px;padding:6px 12px}
  .page{padding:12px 10px}
  h1{font-size:25px}
  .hero-card{padding:18px}
  .hero-card h1{font-size:21px}
  .subnav{overflow-x:auto;flex-wrap:nowrap;white-space:nowrap;scrollbar-width:none;padding-bottom:6px}
  .subnav::-webkit-scrollbar{display:none}
  .subnav .export{margin-left:8px}
  .viewrow{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .viewrow::-webkit-scrollbar{display:none}
  .vbtn,.tbtn{padding:6px 12px;font-size:12.5px;flex-shrink:0}
  .data-table{font-size:12.5px}
  .data-table td,.data-table th{padding:6px 7px}
  .qgrid .namecol{width:150px}
  .tm-wrap{height:400px}
  .toolbar{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .toolbar .tbtn{flex-shrink:0}
  .caltable .time{display:block}
  .megafooter{grid-template-columns:repeat(2,1fr);gap:12px}
  .footer{border-radius:18px 18px 0 0;padding:20px 14px}
  .detail-rail{order:-1}
}
@media (max-width:640px){
  .learn-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr 1fr}
  .megafooter{grid-template-columns:1fr 1fr}
  .dir-grid{grid-template-columns:1fr 1fr}
}

/* latest-news rail on detail pages */
.rail-latest{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.rail-item{display:block;padding:9px 11px;background:var(--surface);border:1px solid var(--line);
  border-radius:10px;font-size:12.5px;line-height:1.4;color:var(--fg);font-weight:600}
.rail-item:hover{border-color:var(--navy);text-decoration:none}

/* topbar dark-mode toggle + language selects */
.tb-theme{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:none;
  border:1px solid rgba(255,255,255,.28);color:var(--header-fg);font-size:15px;
  line-height:1;cursor:pointer;padding:0;margin-left:2px}
.tb-theme:hover{border-color:var(--lime);color:var(--lime)}
.lang-sel{background:transparent;color:inherit;border:1px solid rgba(255,255,255,.3);
  border-radius:999px;padding:5px 12px;font-size:12.5px;cursor:pointer}
.lang-sel option{color:#12161c;background:#fff}
.offcanvas .lang-sel{border-color:var(--line)}
@media (max-width:640px){.tb-theme{width:28px;height:28px;font-size:14px}}

/* brand wordmark + tagline */
.logo-wrap{display:flex;flex-direction:column;justify-content:center;gap:2px;min-width:0}
.logo-wrap .logo{line-height:1}
.tagline{font-size:9.5px;line-height:1.3;color:rgba(255,255,255,.52);letter-spacing:.02em;
  max-width:250px;font-weight:500}
@media (max-width:1500px){.tagline{display:none}}

/* per-category news strip + AEO summary + figure labels */
.page-summary{font-size:13.5px;color:var(--muted);margin:10px 2px 2px;max-width:860px}
.cat-news{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:10px 0 4px}
.cat-news-card{display:flex;flex-direction:column;gap:4px;padding:12px 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius,12px);
  font-size:12.5px;line-height:1.45;color:var(--fg)}
.cat-news-card b{font-size:13px;line-height:1.35}
.cat-news-card span{color:var(--muted)}
.cat-news-card:hover{border-color:var(--navy);text-decoration:none}
.fig-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:6px 0 14px}
.fig-label{font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--fg)}
.asof{font-size:11.5px;color:var(--muted)}
@media (max-width:900px){.cat-news{grid-template-columns:1fr}}

/* topbar layout fixes: never let the wordmark be overlapped or nav items wrap */
.logo-wrap{flex:0 0 auto;min-width:auto}
.logo,.mainnav>a,.mainnav .ddbtn{white-space:nowrap}
.mainnav{flex-wrap:nowrap}  /* no overflow:hidden — it clips the Markets dropdown */
@media (max-width:1400px){
  .mainnav>a,.mainnav .ddbtn{padding:7px 8px;font-size:13px}
  .topbar{gap:10px}
  .searchwrap input{width:120px}
}
@media (max-width:1150px){
  .mainnav{gap:0}
  .mainnav>a,.mainnav .ddbtn{padding:6px 5px;font-size:12px}
  .topbar{gap:7px;padding:0 10px}
  .searchwrap input{width:70px;padding:6px 10px}
  .logo{font-size:15px}
}
@media (max-width:950px){.mainnav{display:none}}

/* commodity notes + range buttons + per-commodity news */
.mkt-notes{max-width:860px;margin:6px 0 14px}
.mkt-notes h2{margin:14px 0 6px;font-size:17px}
.notes-p{font-size:14px;line-height:1.65;color:var(--fg)}
.rangerow{display:flex;gap:6px;margin:10px 0 4px;flex-wrap:wrap}
.rbtn{border:1px solid var(--line);background:var(--surface);color:var(--fg);
  border-radius:999px;padding:5px 12px;font-size:12px;font-weight:700;cursor:pointer}
.rbtn.cur{background:var(--navy);border-color:var(--navy);color:#fff}

/* currency calculator */
.fx-calc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius,14px);
  padding:16px 18px;margin:12px 0 4px}
.fx-calc h2{margin:0 0 10px;font-size:17px}
.fx-row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.fx-row label{display:flex;flex-direction:column;gap:4px;font-size:11.5px;font-weight:700;color:var(--muted)}
.fx-row input,.fx-row select{border:1px solid var(--line);border-radius:10px;padding:8px 10px;
  font-size:14px;background:var(--bg);color:var(--fg);min-width:110px}
#fxSwap{border:1px solid var(--line);background:var(--bg);color:var(--fg);border-radius:50%;
  width:34px;height:34px;cursor:pointer;font-size:15px}
#fxOut{font-size:16px;font-weight:800;padding:6px 4px}

/* crypto depth: rank, logos, mini sparklines */
.rankno{display:inline-block;min-width:20px;color:var(--muted);font-size:11.5px;font-weight:600}
.coinlogo{width:16px;height:16px;border-radius:50%;vertical-align:-3px;margin-right:6px}
.sparkcell{text-align:center}
.mini{width:70px;height:22px;display:inline-block;vertical-align:middle}

/* stream attribution + emerging banner */
.srcline{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--muted);margin-top:6px}
.src-logo{width:14px;height:14px;flex:0 0 auto}
.em-banner{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius,12px);
  padding:10px 14px;font-size:13px;margin:10px 0 14px}
.logo-img{height:30px;display:block}
@media (max-width:640px){.fx-row{gap:8px}.fx-row input,.fx-row select{min-width:90px}}

/* series-definition line on indicator pages */
.defline{margin:2px 0 12px;max-width:860px}

/* stale-observation badge */
.stalebadge{display:inline-block;font-size:9.5px;font-weight:800;letter-spacing:.03em;
  padding:1px 6px;border-radius:999px;background:rgba(200,50,43,.12);color:#a52a24;
  border:1px solid rgba(200,50,43,.3);vertical-align:1px}

/* center the nav in the free space between logo and search */
.mainnav{margin-right:auto}

/* annual-average marker in matrix cells */
.pmark{font-size:8.5px;color:var(--muted);margin-left:1px}

/* Ask the Data + screener */
.ask-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius,14px);
  padding:18px;max-width:860px;margin:8px 0 18px}
#askForm{display:flex;gap:10px}
#askInput{flex:1;border:1px solid var(--line);border-radius:999px;padding:11px 18px;
  font-size:14.5px;background:var(--bg);color:var(--fg)}
.ask-out{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}
.ask-out p{font-size:14.5px;line-height:1.6}
.ask-links{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.ask-ex p{margin:0}
.screen-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius,14px);padding:14px 16px;margin:10px 0}
.screen-form label{display:flex;flex-direction:column;gap:4px;font-size:11.5px;font-weight:700;color:var(--muted)}
.screen-form input,.screen-form select{border:1px solid var(--line);border-radius:10px;padding:7px 10px;
  font-size:13px;background:var(--bg);color:var(--fg);width:110px}
@media (max-width:640px){#askForm{flex-direction:column}.screen-form input,.screen-form select{width:100%}}

/* portfolio standards layer: saved, trust strip, ranked cards, guided view, legal pages */
.savebtn{flex:0 0 auto;position:relative;color:var(--lime);font-size:17px;line-height:1;
  padding:4px 2px;text-decoration:none}
.favbadge{position:absolute;top:-4px;right:-9px;background:var(--lime);color:#0c1220;
  font-size:9.5px;font-weight:800;border-radius:999px;min-width:15px;height:15px;
  display:inline-flex;align-items:center;justify-content:center;padding:0 3px}
.favstar{background:none;border:0;cursor:pointer;font-size:14px;color:var(--muted);
  padding:0 4px 0 0;vertical-align:-1px}
.favstar.on{color:#e0a800}
.trust-strip{background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:8px 18px;font-size:12.5px;font-weight:600;color:var(--muted);margin:2px 0 12px;
  display:inline-block}
.rank-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 14px}
.rank-card{display:flex;align-items:center;gap:10px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius,14px);padding:12px 16px;
  font-size:13px;color:var(--fg)}
.rank-card b{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rk-label{font-size:10.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
  color:var(--muted);flex:0 0 auto}
.rk-val{font-weight:800}.rk-more{color:var(--muted)}
.guide-help{display:none;background:rgba(163,230,53,.1);border:1px solid rgba(163,230,53,.4);
  border-radius:var(--radius,12px);padding:10px 14px;font-size:12.5px;line-height:1.5;
  margin:8px 0;max-width:900px}
body.guided .guide-help{display:block}
.oc-view{border-top:1px solid var(--line);margin-top:12px;padding-top:10px;font-size:12.5px}
.oc-view p{margin:0 0 8px;line-height:1.45}
.f-family{font-size:12.5px;padding:10px 0;border-top:1px solid rgba(255,255,255,.12)}
.f-family a{font-weight:700}
.f-sub{display:flex;gap:8px;align-items:center;padding:6px 0;flex-wrap:wrap}
.f-sub input{border:1px solid rgba(255,255,255,.3);background:transparent;color:inherit;
  border-radius:999px;padding:7px 14px;font-size:12.5px;min-width:210px}
.f-legal p{margin:0 0 7px;line-height:1.5}
.legalpage{max-width:860px}
.legalpage p{font-size:13.5px;line-height:1.65;margin:0 0 12px}
.contact-form{display:flex;flex-direction:column;gap:10px;max-width:560px}
.contact-form label{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:700;color:var(--muted)}
.contact-form input,.contact-form textarea{border:1px solid var(--line);border-radius:10px;
  padding:9px 12px;font-size:13.5px;background:var(--bg);color:var(--fg)}
.hp{position:absolute;left:-9999px;height:0;width:0;opacity:0}
@media (max-width:900px){.rank-row{grid-template-columns:1fr}}

/* ============================================================
   QUANTUM CURIOUS LAYER — playful violet/cyan on the family base.
   Fun modern theme: big rounded buttons, soft glows, animated atom.
   ============================================================ */
:root{
  --accent:#7c3aed; --lime:#22d3ee; --navy:#141034;
  --header:#141034; --qviolet:#a78bfa; --qcyan:#22d3ee; --qpink:#f472b6; --qamber:#fbbf24;
  --bg:#faf8f4; --chip:#f0ebfa; --line:#e7e2f0;
}
[data-theme="dark"]{
  --bg:#0c0a1d; --surface:#161230; --header:#0a081a; --navy:#0a081a;
  --line:#2a2350; --chip:#1e1840; --accent:#a78bfa; --fg:#eceafa; --muted:#a29ec2;
}
.logo .tld{color:var(--qcyan)}
.logo span{color:#b9aef0}
.hero-card{background:radial-gradient(130% 170% at 85% -20%, #3b2a7a 0%, #141034 55%)}
.footer{background:var(--navy)}
.matrix-strip{background:var(--navy)}
.f-col a:hover{color:var(--qcyan)}
.tb-theme:hover{border-color:var(--qcyan);color:var(--qcyan)}
.savebtn{color:var(--qcyan)}
.favbadge{background:var(--qcyan);color:#0c1220}
[data-theme="dark"] .subnav a.cur,[data-theme="dark"] .vbtn.cur,[data-theme="dark"] .tbtn.cur{
  background:var(--qcyan);border-color:var(--qcyan);color:#0c1220}
.guide-help{background:rgba(34,211,238,.08);border-color:rgba(34,211,238,.45)}

/* big fun buttons */
.bigbtn{display:inline-block;background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff;
  border:0;border-radius:999px;padding:13px 26px;font-size:15.5px;font-weight:800;cursor:pointer;
  box-shadow:0 4px 14px rgba(124,58,237,.35);transition:transform .12s, box-shadow .12s;
  text-decoration:none}
.bigbtn:hover{transform:translateY(-2px);box-shadow:0 7px 20px rgba(124,58,237,.45);text-decoration:none;color:#fff}
.bigbtn:active{transform:translateY(0)}
.bigbtn:disabled{opacity:.45;cursor:default;transform:none}
.bigbtn.ghost{background:var(--surface);color:var(--fg);border:2px solid var(--line);box-shadow:none}
.bigbtn.ghost:hover{border-color:var(--accent)}
.bigbtn.pulse{animation:qpulse 1.2s ease-in-out infinite}
@keyframes qpulse{0%,100%{box-shadow:0 4px 14px rgba(124,58,237,.35)}50%{box-shadow:0 4px 26px rgba(34,211,238,.65)}}
.tbtn.danger{border-color:rgba(200,50,43,.5);color:#c8322b;margin-top:10px}

/* hero */
.q-hero{display:flex;gap:20px;align-items:center;justify-content:space-between}
.qh-text{max-width:560px}
.qh-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.qh-art{flex:0 0 auto;width:220px}
.atom-anim{width:100%;display:block}
.atom-anim .e{animation:orbit 6s linear infinite}
.atom-anim .e2{animation-duration:8s;animation-delay:-2s}
.atom-anim .e3{animation-duration:10s;animation-delay:-5s}
@keyframes orbit{
  0%{transform:translate(100px,100px) rotate(0) translateX(86px) scaleY(.4) }
  100%{transform:translate(100px,100px) rotate(360deg) translateX(86px) scaleY(.4)}
}
@media (max-width:900px){.q-hero{flex-direction:column}.qh-art{width:150px}}

/* gauge chip in topbar */
.gaugechip{display:flex;align-items:center;gap:5px;color:var(--header-fg);text-decoration:none;
  border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:4px 11px 4px 7px;flex:0 0 auto}
.gaugechip:hover{border-color:var(--qcyan);text-decoration:none}
.gaugechip svg{width:30px;height:17px;display:block}
.gaugechip .gc-track{stroke:rgba(255,255,255,.22)}
.gaugechip .gc-fill{stroke:var(--qcyan);transition:stroke-dasharray .5s}
.gaugechip b{font-size:11.5px}
@media (max-width:1150px){.gaugechip b{display:none}}

/* course cards */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin:14px 0}
.course-card{display:flex;flex-direction:column;gap:6px;background:var(--surface);
  border:1px solid var(--line);border-radius:18px;padding:20px;color:var(--fg);
  transition:transform .14s, box-shadow .14s;position:relative;overflow:hidden}
.course-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(20,16,52,.16);text-decoration:none}
.cc-emoji{font-size:34px;line-height:1}
.cc-level{position:absolute;top:16px;right:16px;font-size:10.5px;font-weight:800;letter-spacing:.04em;
  text-transform:uppercase;background:var(--chip);border-radius:999px;padding:4px 10px;color:var(--muted)}
.course-card h3{margin:4px 0 0;font-size:19px;letter-spacing:-.02em}
.course-card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.5}
.cc-bar{display:block;height:8px;background:var(--chip);border-radius:999px;overflow:hidden;margin-top:8px}
.cc-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--qcyan),var(--qviolet));
  border-radius:999px;transition:width .5s}
.cc-bar.wide{margin:10px 0 4px}
.cc-go{color:var(--accent);font-weight:800;font-size:13.5px;margin-top:4px}

/* how it works strip */
.how-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}
.how-step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius,14px);padding:14px 16px}
.how-step b{display:block;margin-bottom:4px}
.how-step p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
@media (max-width:900px){.how-strip{grid-template-columns:1fr}}

/* course list page */
.course-row{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px;margin:14px 0}
.cr-head{display:flex;align-items:center;gap:14px}
.cr-head h2{margin:0;font-size:21px}
.cr-tag{color:var(--muted);font-size:13px;margin:2px 0 0}
.cr-go{margin-left:auto;flex:0 0 auto}
.cr-blurb{color:var(--muted);font-size:14px;line-height:1.55;max-width:800px}
.section-chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 4px}
.schip{display:flex;flex-direction:column;gap:1px;border:1.5px solid var(--line);border-radius:12px;
  padding:8px 13px;color:var(--fg);background:var(--bg);min-width:130px}
.schip:hover{border-color:var(--accent);text-decoration:none}
.schip b{font-size:12.5px}
.schip span{font-size:11px;color:var(--muted)}
.schip.done{border-color:#34d399;background:rgba(52,211,153,.08)}
.schip.started{border-color:var(--qamber)}
.schip.final b{color:var(--accent)}
@media (max-width:640px){.cr-head{flex-wrap:wrap}.cr-go{margin-left:0}}

/* course detail: section list */
.section-list{display:flex;flex-direction:column;gap:12px;margin:16px 0}
.section-card{display:flex;gap:16px;align-items:center;background:var(--surface);
  border:1px solid var(--line);border-radius:16px;padding:16px 20px;color:var(--fg);
  transition:transform .12s}
.section-card:hover{transform:translateX(4px);border-color:var(--accent);text-decoration:none}
.section-card h2{margin:0 0 2px;font-size:17px}
.section-card p{margin:0 0 3px;color:var(--muted);font-size:13.5px}
.sc-num{flex:0 0 44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff;font-weight:900;font-size:18px;
  border-radius:50%}
.section-card.final .sc-num{background:var(--chip);font-size:20px}
.sc-state{margin-left:auto;font-weight:800;font-size:13px;color:#0d9668;white-space:nowrap}
.crumbs{color:var(--muted);font-size:12.5px;margin:6px 0 0}

/* slide deck */
.deck{background:var(--surface);border:1px solid var(--line);border-radius:22px;
  padding:26px 28px 18px;margin:16px 0;min-height:340px;display:flex;flex-direction:column}
.slide{display:none;flex:1;animation:slidein .25s ease}
.slide.cur{display:block}
@keyframes slidein{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}
.slide h2{margin:0 0 12px;font-size:24px;letter-spacing:-.02em}
.slide p{font-size:15.5px;line-height:1.65;max-width:760px}
.bigline{font-size:17px;font-weight:800;background:linear-gradient(90deg,rgba(124,58,237,.12),rgba(34,211,238,.12));
  border-left:4px solid var(--accent);border-radius:10px;padding:12px 16px;max-width:760px}
.funfact{background:rgba(251,191,36,.12);border:1px solid rgba(251,191,36,.4);border-radius:12px;
  padding:10px 14px;font-size:13.5px;max-width:760px}
.diagram{margin:6px 0 12px;color:var(--fg)}
.diagram svg{max-width:560px;width:100%;height:auto;display:block}
.deck-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);padding-top:14px;margin-top:14px}
.dots{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.dots i{width:10px;height:10px;border-radius:50%;background:var(--chip);border:1px solid var(--line)}
.dots i.on{background:linear-gradient(135deg,var(--qcyan),var(--qviolet));border-color:transparent}
@media (max-width:640px){.deck{padding:18px 16px 12px}.slide h2{font-size:20px}.slide p{font-size:14.5px}}

/* quiz */
.quizbox{background:var(--surface);border:2px solid var(--line);border-radius:22px;padding:24px 28px;margin:18px 0}
.qz-head h2{margin:0 0 4px}
.qz-progress{display:flex;align-items:center;gap:12px;margin:4px 0 12px;color:var(--muted);font-size:12.5px}
.qz-progress i{display:flex;gap:5px}
.qz-progress b{width:14px;height:8px;border-radius:999px;background:var(--chip);display:block}
.qz-progress b.cur{background:var(--qviolet)}
.qz-progress b.ok{background:#34d399}
.qz-progress b.no{background:#f87171}
.qz-q{font-size:19px;margin:8px 0 14px;max-width:760px}
.qz-opts{display:flex;flex-direction:column;gap:9px;max-width:560px}
.qz-opts.qz-tf{flex-direction:row;gap:12px}
.qz-opts.qz-fib{flex-direction:row;flex-wrap:wrap}
.qopt{text-align:left;border:2px solid var(--line);background:var(--bg);color:var(--fg);
  border-radius:14px;padding:13px 17px;font-size:14.5px;font-weight:600;cursor:pointer;
  transition:transform .1s, border-color .1s}
.qopt:hover:not(:disabled){border-color:var(--accent);transform:translateY(-1px)}
.qz-tf .qopt{flex:1;text-align:center;font-size:16px;font-weight:800}
.qopt.chipword{border-radius:999px;padding:10px 20px;font-weight:800}
.qopt.right{border-color:#34d399;background:rgba(52,211,153,.14)}
.qopt.wrong{border-color:#f87171;background:rgba(248,113,113,.12)}
.qopt:disabled{cursor:default;opacity:.75}
.qopt.right:disabled,.qopt.wrong:disabled{opacity:1}
.qz-feedback{border-radius:12px;padding:12px 16px;margin-top:14px;font-size:14px;line-height:1.55;max-width:660px}
.qz-feedback.good{background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.5)}
.qz-feedback.bad{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.45)}
.qz-nav{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.qz-score{text-align:center;padding:12px 0}
.qz-big{font-size:56px;line-height:1;margin-bottom:8px}
.qz-score h3{font-size:22px;margin:6px 0}
.qz-score p{color:var(--muted);max-width:480px;margin:6px auto}
.qz-score .qz-nav{justify-content:center}
.qz-loading{color:var(--muted)}
.lesson-next{margin:8px 0 18px}

/* gauge page */
.gauge-wrap{text-align:center;margin:18px 0}
.gauge-svg{width:290px;max-width:80vw}
.g-track{stroke:var(--chip)}
.g-fill{stroke:var(--qcyan);transition:stroke-dasharray .7s}
.g-num{font-size:30px;font-weight:900;fill:var(--fg)}
.g-level{font-size:21px;font-weight:900;margin:2px 0 4px}
.gauge-mini{display:flex;align-items:center;gap:10px}
.gm-bar{flex:1;height:10px;background:var(--chip);border-radius:999px;overflow:hidden}
.gm-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--qcyan),var(--qviolet));transition:width .5s}
.levels-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:6px 0 18px}
.levels-row span{border:1.5px solid var(--line);border-radius:999px;padding:6px 13px;font-size:12.5px;
  font-weight:700;color:var(--muted)}
.levels-row span.cur{border-color:var(--accent);color:var(--fg);background:var(--chip)}
.prog-courses{display:flex;flex-direction:column;gap:16px;margin:12px 0}
.prog-course{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px 20px}
.pc-head{display:flex;justify-content:space-between;align-items:center;font-size:16px}
.pc-pct{font-weight:900}
.pc-rows{display:flex;flex-direction:column;margin-top:8px}
.pc-row{display:flex;justify-content:space-between;gap:10px;padding:8px 2px;border-top:1px solid var(--line);
  color:var(--fg);font-size:13.5px}
.pc-row:hover{text-decoration:none;color:var(--accent)}
.pc-cells{display:flex;gap:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.pc-cells i{font-style:normal}
.save-cta{max-width:640px;margin:22px 0}
.save-cta .f-sub input{border-color:var(--line);color:var(--fg)}

/* account card in offcanvas */
#accountCard form{display:flex;gap:8px;margin:8px 0;flex-wrap:wrap}
#accountCard input{flex:1;min-width:150px;border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;font-size:13px;background:var(--bg);color:var(--fg)}
.oc-sub{padding-left:18px;font-weight:500;font-size:13.5px}

/* faq */
.faq-list{max-width:820px;margin:16px 0}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:4px 18px;margin:10px 0}
.faq-item summary{font-weight:800;font-size:15px;padding:12px 0;cursor:pointer}
.faq-item p{color:var(--muted);font-size:14px;line-height:1.6;margin:0 0 14px}

/* resources */
.res-who{font-size:12px;font-weight:800;letter-spacing:.03em;text-transform:uppercase;color:var(--accent);margin:0 0 6px}
.chan-grp{font-size:15px;margin:18px 0 8px;color:var(--muted)}
.chan-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.chan-card{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:12px 14px;color:var(--fg);font-size:12.5px;line-height:1.45}
.chan-card:hover{border-color:var(--accent);text-decoration:none}
.chan-card b{font-size:13.5px}
.chan-card span{color:var(--muted)}

/* news list */
.newslist{max-width:860px}
.news-out{display:block;color:var(--fg)}
.news-out:hover{text-decoration:none}
.news-out:hover h3{color:var(--accent)}
.news-out h3{margin:0 0 5px;font-size:16px}
.news-out p{margin:0 0 6px;color:var(--muted);font-size:13.5px;line-height:1.5}
.srcline{color:var(--muted);font-size:12px}
.glink{margin-top:8px !important}

/* generated artwork */
.qh-art{width:340px}
.qh-art img{width:100%;border-radius:18px;display:block;box-shadow:0 10px 30px rgba(0,0,0,.35)}
@media (max-width:900px){.qh-art{width:100%;max-width:420px}}
.cc-art{width:calc(100% + 40px);margin:-20px -20px 4px;border-radius:18px 18px 0 0;display:block}
.course-banner{width:100%;max-width:560px;border-radius:18px;display:block;margin:10px 0 4px}

/* ============================================================
   WARM REDESIGN — Brilliant-style: warm cream canvas, LIGHT header,
   emerald + amber + sky accents, soft pastel blob hero, rounded and
   friendly. Deliberately breaks from the navy/lime family template.
   ============================================================ */
:root{
  --bg:#fdfaf2; --surface:#ffffff; --fg:#2b251b; --muted:#8a8070;
  --line:#ece3d0; --chip:#f6efdf; --accent:#0c8f6c;
  --header:#fffdf7; --header-fg:#2b251b; --navy:#143d33; --radius:16px;
  --qem:#0ca678; --qam:#f5a623; --qsky:#4dabf7; --qcoral:#ff7f66;
}
[data-theme="dark"]{
  --bg:#16130d; --surface:#201b12; --fg:#f2ecdf; --muted:#a89f8b;
  --line:#37301f; --chip:#2a2416; --accent:#2dd4a0;
  --header:#16130d; --header-fg:#f2ecdf; --navy:#0d2b24;
}
body,button,input,select,textarea{font-family:ui-rounded,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}

/* light, airy header */
.topbar{background:var(--header);border-bottom:1.5px solid var(--line);
  box-shadow:0 2px 14px rgba(80,60,20,.05)}
.burger,.userbtn{color:var(--fg)}
.logo{color:var(--fg)}
.logo span{color:var(--qem)}
.logo .tld{color:var(--qam);font-size:19px}
.tagline{color:var(--muted)}
.mainnav>a,.mainnav .ddbtn{color:var(--fg)}
.mainnav>a:hover,.ddbtn:hover{background:rgba(12,166,120,.1);text-decoration:none}
.searchwrap input{border:1.5px solid var(--line);background:var(--surface);color:var(--fg)}
.searchwrap input::placeholder{color:var(--muted)}
.searchwrap input:focus{border-color:var(--qem)}
.gaugechip{border:1.5px solid var(--line);background:var(--surface);color:var(--fg)}
.gaugechip:hover{border-color:var(--qem)}
.gaugechip .gc-track{stroke:var(--chip)}
.gaugechip .gc-fill{stroke:var(--qem)}
.savebtn{color:var(--qam)}
.favbadge{background:var(--qam);color:#3d2c00}
.tb-theme{border:1.5px solid var(--line);color:var(--fg)}
.tb-theme:hover{border-color:var(--qem);color:var(--qem)}

/* pastel-blob hero instead of the family navy card */
.hero-card.q-hero{color:var(--fg);border:1.5px solid var(--line);border-radius:26px;
  background:
    radial-gradient(55% 95% at 6% 0%, rgba(12,166,120,.16), transparent 62%),
    radial-gradient(50% 85% at 96% 8%, rgba(245,166,35,.18), transparent 62%),
    radial-gradient(45% 75% at 70% 105%, rgba(77,171,247,.14), transparent 62%),
    var(--surface)}
.hero-card.q-hero h1{color:var(--fg)}
.hero-card.q-hero p{color:var(--muted)}
.hero-card.q-hero a.ghost{color:var(--fg)}

/* emerald buttons + accents */
.bigbtn{background:linear-gradient(135deg,#0ca678,#0b8a63);
  box-shadow:0 4px 14px rgba(12,166,120,.32)}
.bigbtn:hover{box-shadow:0 7px 20px rgba(12,166,120,.42)}
@keyframes qpulse{0%,100%{box-shadow:0 4px 14px rgba(12,166,120,.32)}50%{box-shadow:0 4px 26px rgba(245,166,35,.6)}}
.copybtn{background:var(--qem);border-color:var(--qem)}
.copybtn:hover{background:#0b8a63}
.tbtn.cur,.subnav a.cur,.vbtn.cur{background:var(--qem);border-color:var(--qem);color:#fff}
[data-theme="dark"] .tbtn.cur,[data-theme="dark"] .subnav a.cur,[data-theme="dark"] .vbtn.cur{
  background:var(--accent);border-color:var(--accent);color:#0d2b24}
.favstar.on{color:var(--qam)}
.cc-bar i,.gm-bar i{background:linear-gradient(90deg,var(--qem),var(--qam))}
.dots i.on{background:linear-gradient(135deg,var(--qem),var(--qam));border-color:transparent}
.sc-num{background:linear-gradient(135deg,#0ca678,#0b8a63)}
.g-fill{stroke:var(--qem)}
.levels-row span.cur{border-color:var(--qem);background:rgba(12,166,120,.1);color:var(--fg)}
.guide-help{background:rgba(12,166,120,.08);border-color:rgba(12,166,120,.4)}
.bigline{background:linear-gradient(90deg,rgba(12,166,120,.1),rgba(245,166,35,.12));
  border-left-color:var(--qem)}
.cc-go{color:var(--qem)}
.res-who{color:var(--qem)}
.qopt:hover:not(:disabled){border-color:var(--qem)}
.section-card:hover{border-color:var(--qem)}
.schip:hover{border-color:var(--qem)}
.chan-card:hover{border-color:var(--qem)}
.schip.started{border-color:var(--qam)}

/* gentle pastel tints so the three course cards feel hand-colored */
.course-grid .course-card:nth-of-type(1){background:linear-gradient(180deg,rgba(12,166,120,.06),var(--surface) 55%)}
.course-grid .course-card:nth-of-type(2){background:linear-gradient(180deg,rgba(77,171,247,.07),var(--surface) 55%)}
.course-grid .course-card:nth-of-type(3){background:linear-gradient(180deg,rgba(245,166,35,.08),var(--surface) 55%)}
.course-card:hover{box-shadow:0 10px 26px rgba(90,70,25,.14)}

/* deep-green footer (not the family navy) */
.footer{background:var(--navy)}
.footer,.f-langs{color:#cfe0d7}
.f-col a{color:#cfe0d7}
.f-col b{color:#fff}
.f-col a:hover{color:var(--qam)}
.f-legal{color:#9fb8ac;border-top-color:#2c5a4c}
.f-family{border-top-color:rgba(255,255,255,.14)}
.megafooter a:hover{color:var(--qem)}

/* softer cards everywhere */
.learn-card,.news-card,.course-row,.prog-course,.faq-item,.section-card,.quizbox,.deck{
  box-shadow:0 1px 3px rgba(90,70,25,.05)}
.quizbox{border-color:var(--line)}
.note-box{border-left-color:var(--qem)}

/* ============================================================
   BRILLIANT PASS 2 — flat & focused, per Laurence's screenshots:
   soft grey canvas, floating white cards (no hard borders), serif
   display headlines, solid green pill buttons, immersive lesson
   mode (chrome hidden, exit arrow + segmented progress + Listen).
   ============================================================ */
:root{
  --bg:#f6f5f1; --surface:#ffffff; --line:#e9e7e0; --chip:#efede6;
  --fg:#1f2023; --muted:#8b8a85; --accent:#149132;
  --header:#ffffff; --header-fg:#1f2023; --navy:#17271d;
  --qem:#1fb141; --qam:#f5a623; --radius:20px;
}
[data-theme="dark"]{
  --bg:#131411; --surface:#1d1f1a; --line:#2e312a; --chip:#262922;
  --fg:#f0efe9; --muted:#9d9c94; --accent:#4ade80;
  --header:#1d1f1a; --header-fg:#f0efe9; --navy:#0e1712;
}

/* serif display for the big statements only */
h1,.hero-card.q-hero h1{font-family:'Iowan Old Style','Palatino Linotype',Palatino,Georgia,'Times New Roman',serif;
  font-weight:700;letter-spacing:-.01em}
h1{font-size:36px;line-height:1.12}
@media (max-width:640px){h1{font-size:27px}}

/* flat floating cards — shadows off, canvas contrast does the work */
.learn-card,.news-card,.course-row,.prog-course,.faq-item,.section-card,.quizbox,.deck,
.course-card,.chan-card,.how-step,.oc-card,.ask-box,.fx-calc,.rail-item,.trust-strip{
  border-color:transparent;box-shadow:0 1px 2px rgba(35,32,20,.05)}
.data-table{border-color:var(--line)}
.quizbox{border:0}
.hero-card.q-hero{border:0;background:var(--chip)}
.course-card:hover{box-shadow:0 8px 22px rgba(35,32,20,.1)}

/* solid green pills (no gradients) */
.bigbtn{background:var(--qem);box-shadow:none;padding:14px 30px}
.bigbtn:hover{background:#17982f;box-shadow:none;transform:translateY(-1px)}
.bigbtn.ghost{background:var(--surface);border:1.5px solid var(--line);color:var(--fg)}
.bigbtn.ghost:hover{border-color:var(--fg)}
@keyframes qpulse{0%,100%{box-shadow:0 0 0 0 rgba(31,177,65,.4)}50%{box-shadow:0 0 0 9px rgba(31,177,65,0)}}
.tbtn.cur,.subnav a.cur,.vbtn.cur{background:var(--fg);border-color:var(--fg);color:var(--bg)}
[data-theme="dark"] .tbtn.cur,[data-theme="dark"] .subnav a.cur,[data-theme="dark"] .vbtn.cur{
  background:var(--fg);border-color:var(--fg);color:var(--bg)}
.copybtn{background:var(--qem);border-color:var(--qem)}
.cc-bar i,.gm-bar i{background:var(--qem)}
.dots i.on{background:var(--qem);border-color:transparent}
.sc-num{background:var(--qem)}
.g-fill,.gaugechip .gc-fill{stroke:var(--qem)}
.guide-help{background:rgba(31,177,65,.07);border-color:rgba(31,177,65,.3)}
.bigline{background:var(--chip);border-left-color:var(--qem)}
.cc-go,.res-who{color:var(--accent)}
.qopt{border-color:var(--line);background:var(--surface)}
.qopt:hover:not(:disabled){border-color:var(--qem)}
.topbar{box-shadow:0 1px 0 var(--line)}
.footer{background:var(--navy)}
.f-legal{border-top-color:#31473a}

/* immersive lesson mode: the page IS the lesson */
body.immersive .topbar,body.immersive .megafooter,body.immersive .footer{display:none}
body.immersive .page{max-width:860px;padding-top:0}
.lesson-bar{position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:16px;
  background:var(--bg);padding:16px 2px 12px;margin:0 0 6px}
.lb-exit{flex:0 0 auto;width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:var(--surface);color:var(--fg);font-size:19px;font-weight:700;
  box-shadow:0 1px 2px rgba(35,32,20,.08);text-decoration:none}
.lb-exit:hover{background:var(--chip);text-decoration:none}
.lb-segs{flex:1;display:flex;gap:10px}
.lb-seg{flex:1;height:9px;background:var(--chip);border-radius:999px;overflow:hidden}
.lb-seg i{display:block;height:100%;width:0;background:var(--qem);border-radius:999px;transition:width .4s}
.lb-seg.quiz{flex:0 0 44px}
.lb-seg.quiz i{background:var(--qam)}
.lb-title{margin:0;font-weight:800;font-size:15px}
.lb-listen{flex:0 0 auto;border:1.5px solid var(--line);background:var(--surface);color:var(--fg);
  border-radius:999px;padding:9px 18px;font-size:13.5px;font-weight:800;cursor:pointer}
.lb-listen:hover{border-color:var(--qem)}
.lb-listen.on{background:var(--qem);border-color:var(--qem);color:#fff}
.lesson-stage{max-width:820px;margin:0 auto}
.lesson-kicker{color:var(--muted);font-size:13.5px;margin:2px 0 8px}
.lesson-kicker b{color:var(--fg)}
body.immersive .deck{border:0;border-radius:24px;padding:34px 38px 20px;min-height:420px}
body.immersive .slide h2{font-size:27px}
body.immersive .slide p{font-size:16.5px;line-height:1.7}
@media (max-width:640px){
  body.immersive .deck{padding:20px 18px 12px;min-height:0}
  body.immersive .slide h2{font-size:21px}
  body.immersive .slide p{font-size:15px}
  .lb-seg.quiz{flex:0 0 26px}
}

/* collapsible full lesson text (readers + skimmers; Listen needs no expand) */
.fulltext{background:var(--surface);border-radius:var(--radius);padding:6px 22px;margin:18px 0 6px;
  box-shadow:0 1px 2px rgba(35,32,20,.05)}
.fulltext summary{font-weight:800;font-size:15px;padding:14px 0;cursor:pointer;color:var(--fg)}
.fulltext-body{padding:2px 0 16px;max-width:720px}
.fulltext-body h3{margin:18px 0 6px;font-size:16px}
.fulltext-body p{color:var(--muted);font-size:14.5px;line-height:1.65;margin:0 0 10px}
.listen-note{margin:4px 2px 20px}

/* ============================================================
   CENTERED PASS — outer pages read as a centered site (Laurence,
   7 Aug): titles, blurbs, hero, chips, menus centered; long-form
   text, tables and card internals stay left for readability.
   Lesson pages (body.immersive) are already a centered stage.
   ============================================================ */
body:not(.immersive) .page{max-width:1080px}
body:not(.immersive) .page h1,
body:not(.immersive) .page h2,
body:not(.immersive) .h1sub,
body:not(.immersive) .crumbs,
body:not(.immersive) .cr-tag{text-align:center}
body:not(.immersive) .blurb,
body:not(.immersive) .page-summary{margin-left:auto;margin-right:auto;text-align:center}
body:not(.immersive) .guide-help,
body:not(.immersive) .note-box{margin-left:auto;margin-right:auto;text-align:center;max-width:820px}
body:not(.immersive) .page > .fineprint{text-align:center}
.trust-strip{display:table;margin:4px auto 14px}
body:not(.immersive) .toolbar{justify-content:center}
body:not(.immersive) .section-chips{justify-content:center}
body:not(.immersive) .chan-grp{text-align:center}
.newslist,.faq-list{margin-left:auto;margin-right:auto}
.ask-box,.save-cta,.contact-form{margin-left:auto;margin-right:auto}
.section-list{max-width:860px;margin-left:auto;margin-right:auto}
.course-list .course-row{max-width:980px;margin-left:auto;margin-right:auto}
.cc-bar.wide{max-width:640px;margin-left:auto;margin-right:auto}
.prog-courses{max-width:860px;margin-left:auto;margin-right:auto}

/* home hero: fully centered stack — headline, sub, buttons, art beneath */
.hero-card.q-hero{flex-direction:column;text-align:center;padding:44px 26px 30px;gap:10px}
.qh-text{max-width:760px;margin:0 auto}
.qh-cta{justify-content:center}
.qh-art{width:min(560px,94%);margin:10px auto 0}
@media (max-width:900px){.qh-art{width:min(420px,100%)}}

/* footer + directory menus centered */
.megafooter{text-align:center}
.megafooter h2{text-align:center}
.footer .f-col{text-align:center}
.f-family{text-align:center}
.f-sub{justify-content:center}
.f-langs{text-align:center}

/* long-form and card internals stay left-aligned */
body:not(.immersive) .legalpage,
.learn-card,.news-card,.chan-card,.section-card,.course-card,.course-row,
.faq-item,.how-step,.pc-row,.prog-course,.stream-item,.ask-out,.contact-form,
.rail-item,.oc-card{text-align:left}
body:not(.immersive) .data-table{text-align:left}

/* center all imagery inside courses/lessons (Laurence, 7 Aug) */
.diagram svg{margin-left:auto;margin-right:auto}
.course-banner{margin-left:auto;margin-right:auto}
body.immersive .slide .bigline,body.immersive .slide .funfact{margin-left:auto;margin-right:auto}
body.immersive .slide p{margin-left:auto;margin-right:auto}
body.immersive .slide h2{text-align:center}

/* wide generated banners: course pages, course rows, section thumbs, lesson strip */
.course-banner{max-width:820px;border-radius:22px}
.cr-banner{display:block;width:calc(100% + 40px);margin:-20px -20px 16px;border-radius:18px 18px 0 0}
.sc-thumb{flex:0 0 128px;width:128px;height:66px;object-fit:cover;border-radius:14px}
.lesson-hero{display:block;width:100%;max-height:180px;object-fit:cover;border-radius:22px;margin:2px auto 14px}
@media (max-width:640px){
  .sc-thumb{flex:0 0 88px;width:88px;height:50px}
  .lesson-hero{max-height:120px}
}

/* ============================================================
   LEARN-EVERYTHING HUB — pillar cards + article pages
   ============================================================ */
.pillar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin:14px 0}
.pillar-card{display:flex;flex-direction:column;gap:6px;background:var(--surface);border-radius:18px;
  padding:0 0 16px;color:var(--fg);overflow:hidden;box-shadow:0 1px 2px rgba(35,32,20,.05);
  transition:transform .14s, box-shadow .14s;text-align:left}
.pillar-card:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(35,32,20,.12);text-decoration:none}
.pillar-card img{width:100%;aspect-ratio:21/9;object-fit:cover;display:block;margin-bottom:6px}
.pillar-card b{font-size:16.5px;padding:2px 16px 0}
.pillar-card span{color:var(--muted);font-size:13px;line-height:1.5;padding:0 16px}

/* article pages: readable centered column, left-aligned prose */
.article{max-width:760px;margin:14px auto 6px;text-align:left}
body:not(.immersive) .article h2,.article h2{text-align:left;font-size:22px;margin:30px 0 10px;
  font-family:'Iowan Old Style','Palatino Linotype',Palatino,Georgia,serif}
.article p{font-size:16px;line-height:1.75;margin:0 0 14px}
.article .diagram{margin:16px 0 20px}
.listen-row{text-align:center;margin:2px 0 14px}
.deeper-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;
  max-width:980px;margin:10px auto}
.deeper-card{display:flex;flex-direction:column;gap:3px;background:var(--surface);border-radius:14px;
  padding:13px 16px;color:var(--fg);font-size:12.5px;box-shadow:0 1px 2px rgba(35,32,20,.05);text-align:left}
.deeper-card:hover{text-decoration:none;box-shadow:0 5px 14px rgba(35,32,20,.12)}
.deeper-card b{font-size:14px}
.deeper-card span{color:var(--muted)}
.art-news{max-width:980px;margin:10px auto}
.course-cta{background:var(--chip);border-radius:20px;padding:24px;max-width:760px;margin:26px auto;
  text-align:center;display:flex;flex-direction:column;gap:10px;align-items:center}
.course-cta p{margin:0;font-size:15px;max-width:560px}

/* investor-lens callouts + players comparison table */
.lens{background:rgba(245,166,35,.09);border:1px solid rgba(245,166,35,.35);border-radius:14px;
  padding:4px 18px;margin:18px 0;max-width:760px}
.lens p{font-size:14.5px !important;line-height:1.65}
.article .lens{margin-left:0}
.players-wrap{max-width:1080px;margin:14px auto;overflow-x:auto}
.players-table{font-size:13px;text-align:left}
.players-table th,.players-table td{text-align:left;white-space:normal;vertical-align:top;
  padding:10px 12px;line-height:1.5;min-width:130px}
.players-table td:first-child{white-space:nowrap}
.player{display:inline-block;margin:0 8px 4px 0}
.ptag{font-style:normal;font-size:10.5px;font-weight:800;border-radius:999px;padding:1px 7px;
  background:var(--chip);color:var(--muted);vertical-align:1px}
.ptag.pub{background:rgba(31,177,65,.14);color:#127a2c}
[data-theme="dark"] .ptag.pub{color:#5fe08a}
@media (max-width:900px){.players-wrap{margin:14px -10px}.players-table{font-size:12px}}

/* quantum-computers-compared: friendly approach cards */
.qc-compare{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px;
  max-width:1080px;margin:18px auto}
.qc-card{background:var(--surface);border-radius:18px;padding:20px 22px;text-align:left;
  box-shadow:0 1px 2px rgba(35,32,20,.05)}
.qc-card h2{text-align:left !important;font-size:19px;margin:0 0 8px}
.qc-card p{font-size:13.5px;line-height:1.6;margin:0 0 10px;color:var(--fg)}
.qc-card .qcc-idea{color:var(--muted);font-size:14px}
.qc-card .qcc-status{color:var(--muted);font-size:12.5px;margin:0;border-top:1px solid var(--line);
  padding-top:10px}
@media (max-width:640px){.qc-compare{grid-template-columns:1fr}}

/* ============================================================
   PRO ARCHITECTURAL — final authority layer (Laurence, 7 Aug):
   square corners, ink-on-white, hairline borders, uppercase
   letterspaced controls, one brass accent. No pills, no pastels,
   no shadows, no gradients.
   ============================================================ */
*{border-radius:0 !important}
:root{
  --bg:#fafaf8; --surface:#ffffff; --fg:#141412; --muted:#716d64; --line:#e3e0d8;
  --chip:#f1efe9; --accent:#141412; --header:#fafaf8; --header-fg:#141412;
  --navy:#141412; --brass:#8f7146;
  --qem:#8f7146; --qam:#8f7146; --qviolet:#8f7146; --qcyan:#8f7146; --qsky:#8f7146; --qpink:#8f7146; --qcoral:#8f7146;
}
[data-theme="dark"]{
  --bg:#131311; --surface:#1a1a17; --fg:#ecebe6; --muted:#98948a; --line:#2c2b26;
  --chip:#22211d; --accent:#ecebe6; --header:#131311; --header-fg:#ecebe6; --navy:#0d0d0b;
  --brass:#b08d5c; --qem:#b08d5c; --qam:#b08d5c;
}
body,button,input,select,textarea{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Roboto,Arial,sans-serif}
body{font-size:15px}

/* typography: editorial serif display + disciplined casing */
h1,.hero-card.q-hero h1{font-family:'Iowan Old Style','Palatino Linotype',Palatino,Georgia,'Times New Roman',serif;
  font-weight:600;letter-spacing:-.005em}
h2{font-weight:700;letter-spacing:0}
body:not(.immersive) .page h2{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg)}
.article h2,body:not(.immersive) .article h2{font-size:21px;letter-spacing:0;text-transform:none;
  font-family:'Iowan Old Style',Palatino,Georgia,serif;font-weight:600}
.qc-card h2{font-size:16px !important;letter-spacing:0 !important;text-transform:none !important}

/* header: gallery-clean */
.topbar{height:64px;background:var(--header);border-bottom:1px solid var(--line);box-shadow:none}
.logo{font-family:inherit;font-weight:700;font-size:13.5px;letter-spacing:.22em;text-transform:uppercase}
.logo span{color:var(--brass);font-weight:700}
.logo .tld{display:none}
.tagline{display:none}
.mainnav>a,.mainnav .ddbtn{font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:8px 10px}
.mainnav>a:hover,.ddbtn:hover{background:none;text-decoration:none;color:var(--brass)}
.ddmenu{border:1px solid var(--line);box-shadow:0 10px 30px rgba(0,0,0,.08)}
.ddmenu a{font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:9px 14px}
.searchwrap input{border:1px solid var(--line);background:var(--surface)}
.gaugechip{border:1px solid var(--line);background:var(--surface)}
.gaugechip .gc-fill{stroke:var(--brass)}
.savebtn{color:var(--brass)}
.favbadge{background:var(--brass);color:#fff}
.tb-theme{border:1px solid var(--line)}
.tb-theme:hover{border-color:var(--fg);color:var(--fg)}

/* buttons: rectangles, uppercase, letterspaced */
.bigbtn{background:var(--fg);color:var(--bg);padding:15px 30px;font-size:12px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;box-shadow:none;transition:background .12s,border-color .12s}
.bigbtn:hover{background:#000;transform:none;box-shadow:none;color:#fff}
[data-theme="dark"] .bigbtn:hover{background:#fff;color:#131311}
.bigbtn.ghost{background:transparent;border:1px solid var(--fg);color:var(--fg)}
.bigbtn.ghost:hover{background:var(--fg);color:var(--bg)}
.bigbtn.pulse{animation:none}
.tbtn,.vbtn,.subnav a{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--line);background:var(--surface)}
.tbtn.cur,.subnav a.cur,.vbtn.cur,[data-theme="dark"] .tbtn.cur{background:var(--fg);border-color:var(--fg);color:var(--bg)}
.copybtn{background:var(--fg);border-color:var(--fg);color:var(--bg)}
.lb-listen{border:1px solid var(--fg);background:transparent;color:var(--fg);
  font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.lb-listen:hover{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.lb-listen.on{background:var(--brass);border-color:var(--brass);color:#fff}

/* surfaces: hairlines, no shadows, no lifts */
.learn-card,.news-card,.course-row,.prog-course,.faq-item,.section-card,.quizbox,.deck,
.course-card,.chan-card,.how-step,.oc-card,.ask-box,.fx-calc,.rail-item,.trust-strip,
.pillar-card,.deeper-card,.qc-card,.course-cta,.fulltext,.note-box,.guide-help,.funfact,
.bigline,.lens{border:1px solid var(--line);box-shadow:none;background:var(--surface)}
.course-card:hover,.pillar-card:hover,.section-card:hover,.news-card:hover,.chan-card:hover,
.deeper-card:hover,.schip:hover,.rail-item:hover{transform:none;box-shadow:none;border-color:var(--fg);text-decoration:none}
.qopt{border:1px solid var(--line)}
.qopt:hover:not(:disabled){border-color:var(--fg);transform:none}
.qopt.right{border-color:#2e6e4a;background:rgba(46,110,74,.06)}
.qopt.wrong{border-color:#a4402f;background:rgba(164,64,47,.05)}
.qz-feedback.good{background:none;border:1px solid #2e6e4a}
.qz-feedback.bad{background:none;border:1px solid #a4402f}
.guide-help{background:var(--surface);border-left:3px solid var(--brass);color:var(--muted)}
.funfact{background:var(--surface);border-left:3px solid var(--brass)}
.bigline{background:var(--chip);border-left:3px solid var(--fg)}
.lens{background:var(--surface);border-left:3px solid var(--brass)}
.note-box{border-left:3px solid var(--fg);background:var(--surface)}
.trust-strip{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.cc-level{background:var(--chip);color:var(--muted);letter-spacing:.1em}
.schip{border:1px solid var(--line);background:var(--surface)}
.schip.done{border-color:#2e6e4a;background:var(--surface)}
.schip.started{border-color:var(--brass)}
.ptag{background:var(--chip);color:var(--muted)}
.ptag.pub{background:none;border:1px solid #2e6e4a;color:#2e6e4a}
[data-theme="dark"] .ptag.pub{color:#7fbf9a;border-color:#7fbf9a}

/* hero: pure typography + framed photograph */
.hero-card.q-hero{background:none;border:0;padding:52px 10px 16px}
.hero-card.q-hero h1{font-size:44px}
@media (max-width:640px){.hero-card.q-hero h1{font-size:30px}}
.qh-art img{border:1px solid var(--line);box-shadow:none}
.course-banner,.lesson-hero,.cr-banner,.cc-art,.pillar-card img{border-bottom:1px solid var(--line)}
.course-banner,.lesson-hero{border:1px solid var(--line)}

/* meters: brass, square */
.cc-bar,.gm-bar,.lb-seg{background:var(--chip)}
.cc-bar i,.gm-bar i,.lb-seg i{background:var(--brass)}
.lb-seg.quiz i{background:var(--fg)}
.g-fill{stroke:var(--brass)}
.g-track{stroke:var(--chip)}
.dots i{background:var(--chip);border:1px solid var(--line);width:14px;height:4px}
.dots i.on{background:var(--brass);border-color:var(--brass)}
.sc-num{background:var(--fg);color:var(--bg);font-size:15px}
.levels-row span{border:1px solid var(--line);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.levels-row span.cur{border-color:var(--brass);background:none;color:var(--fg)}
.lb-exit{background:var(--surface);border:1px solid var(--line);box-shadow:none}
.lb-exit:hover{border-color:var(--fg);background:var(--surface)}

/* footer: ink slab */
.footer{background:#141412;border-radius:0}
.f-col b{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#fff}
.f-col a{color:#b5b1a6}
.f-col a:hover{color:#fff}
.f-family{color:#b5b1a6}
.f-family a:hover{color:#fff}
.f-legal{color:#8b877c;border-top-color:#33322c}
.megafooter h2{font-size:11px;letter-spacing:.16em;text-transform:uppercase}
.megafooter a{color:var(--muted)}
.megafooter a:hover{color:var(--fg);text-decoration:none}
.footer .f-col a:hover{color:#fff}
.f-sub input{border:1px solid #3a3933}

/* misc de-playfulling */
.cc-go,.res-who{color:var(--brass);letter-spacing:.1em;text-transform:uppercase;font-size:11px}
.glink a{color:var(--brass)}
a{color:var(--fg);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px}
a:hover{text-decoration-color:var(--brass)}
.mainnav a,.bigbtn,.tbtn,.vbtn,.schip,.pillar-card,.course-card,.section-card,.news-card,
.chan-card,.deeper-card,.rail-item,.lb-exit,.lb-listen,.qopt,.oc-link,.footer a,.megafooter a,
.searchresults a,.ddmenu a,.crumbs a,.gaugechip,.savebtn,.f-col a{text-decoration:none}
.chip{background:var(--chip);border-radius:0}
.pc-row:hover{color:var(--brass)}
.qz-progress b{width:16px;height:3px}
.qz-progress b.cur{background:var(--fg)}
.qz-progress b.ok{background:#2e6e4a}
.qz-progress b.no{background:#a4402f}
.pillar-card b{font-size:14px;letter-spacing:.02em}
.hero-card.q-hero p{font-size:16px}

/* pillar grid: fixed 3-across so six cards sit as a clean 3x2 (2x3 tablet, 1-col phone) */
.pillar-grid{grid-template-columns:repeat(3,1fr)}
@media (max-width:1000px){.pillar-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.pillar-grid{grid-template-columns:1fr}}

/* section/course card internals: hard left, full-width text block (fixes
   per-card "shifted" centered titles Laurence flagged) */
.section-card > div{flex:1;min-width:0;text-align:left}
body:not(.immersive) .section-card h2,.section-card h2{text-align:left;font-size:13px;margin:0 0 4px}
.section-card p{text-align:left}
body:not(.immersive) .cr-head h2,.cr-head h2{text-align:left;font-size:16px;letter-spacing:.04em}
body:not(.immersive) .qz-head h2{text-align:left;font-size:14px}
body:not(.immersive) .pc-head{text-align:left}
.section-card.final .sc-num{background:var(--chip);color:var(--muted)}

/* final-test card marker matches thumbnail footprint so all titles align */
.section-card .sc-num{flex:0 0 128px;width:128px;height:66px;border-radius:0}
@media (max-width:640px){.section-card .sc-num{flex:0 0 88px;width:88px;height:50px}}

/* HELVETICA DISPLAY (Laurence, 7 Aug): all display type on the grotesk stack —
   no more serif headlines. Clean, direct, architectural. */
h1,.hero-card.q-hero h1,.article h2,body:not(.immersive) .article h2,.qc-card h2,
.g-level,.qz-score h3{
  font-family:'Helvetica Neue',Helvetica,'Neue Haas Grotesk',Arial,-apple-system,sans-serif !important}
h1{font-weight:700;letter-spacing:-.02em}
.hero-card.q-hero h1{font-size:56px;font-weight:700;letter-spacing:-.03em;line-height:1.02}
@media (max-width:640px){.hero-card.q-hero h1{font-size:36px}}
.article h2,body:not(.immersive) .article h2{font-weight:700;letter-spacing:-.01em}

/* ============================================================
   CINEMATIC FULL-BLEED HERO + ELECTRIC BORDER BEAM (Laurence, 7 Aug)
   ============================================================ */
body{overflow-x:clip}
.fullhero{position:relative;width:100vw;margin:-18px 0 26px calc(50% - 50vw);
  min-height:min(78vh,680px);display:flex;align-items:center;justify-content:center;
  background:#0c0e0d}
.fh-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.fh-shade{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(8,9,8,.62) 0%,rgba(8,9,8,.18) 38%,rgba(8,9,8,.28) 62%,rgba(8,9,8,.72) 100%)}
.fh-content{position:relative;z-index:2;text-align:center;max-width:860px;padding:96px 22px}
.fh-content h1{color:#fff;font-size:64px;font-weight:700;letter-spacing:-.03em;line-height:1.0;
  margin:0 0 18px;text-shadow:0 2px 30px rgba(0,0,0,.45)}
.fh-content p{color:rgba(255,255,255,.86);font-size:16.5px;line-height:1.65;max-width:660px;
  margin:0 auto 26px;text-shadow:0 1px 14px rgba(0,0,0,.5)}
.fh-content .qh-cta{justify-content:center}
.hero-btn{background:#fff;color:#141412}
.hero-btn:hover{background:#f1efe9;color:#141412}
.hero-btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.85);color:#fff}
.hero-btn.ghost:hover{background:#fff;color:#141412}
@media (max-width:900px){
  .fullhero{min-height:min(64vh,540px)}
  .fh-content{padding:64px 18px}
  .fh-content h1{font-size:38px}
  .fh-content p{font-size:14.5px}
}

/* electric border beam: a spark of light travels the button's edge.
   Always on for .beam (hero + primary CTAs); on hover for every .bigbtn. */
@property --beam{syntax:'<angle>';inherits:false;initial-value:0deg}
.bigbtn{position:relative}
.bigbtn::after{content:"";position:absolute;inset:-4px;padding:2px;pointer-events:none;
  background:conic-gradient(from var(--beam),
    transparent 0deg,transparent 288deg,rgba(232,201,138,0) 300deg,
    rgba(232,201,138,.9) 334deg,#fff 352deg,transparent 360deg);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;animation:beamspin 3.2s linear infinite;animation-play-state:paused}
.bigbtn:hover::after,.bigbtn.beam::after{opacity:1;animation-play-state:running}
.bigbtn.beam:nth-of-type(2)::after{animation-delay:-1.6s}
@keyframes beamspin{to{--beam:360deg}}
@media (prefers-reduced-motion:reduce){.bigbtn::after{display:none}}
html{overflow-x:clip}

/* ============ QUANTUM REGISTER SPEC LAYER: depth, evidence, directories ============ */

/* --- depth selector (header) --- */
.depthctl{display:flex;border:1px solid rgba(255,255,255,.28);flex:none}
.depthctl button{background:transparent;border:0;color:var(--header-fg);opacity:.62;cursor:pointer;
  padding:5px 9px;font-size:10px;letter-spacing:.08em;text-transform:uppercase;font-weight:600}
.depthctl button+button{border-left:1px solid rgba(255,255,255,.22)}
.depthctl button.cur{background:var(--header-fg);color:var(--header);opacity:1}
.depthctl button:hover{opacity:1}
@media (max-width:1550px){.depthctl button{padding:5px 6px;font-size:9px;letter-spacing:.04em}}
@media (max-width:900px){.depthctl{display:none}}

/* --- depth-gated blocks (visible by default so no-JS shows everything) --- */
body.depth-curious .depth:not([data-depth~="curious"]),
body.depth-technical .depth[data-depth~="expert"]:not([data-depth~="curious"]):not([data-depth~="technical"]){display:none}
.depth[data-depth~="technical"]:not([data-depth~="curious"]),.depth[data-depth~="expert"]:not([data-depth~="curious"]){border-left:2px solid var(--line);padding-left:16px;margin:14px 0}
.depth[data-depth="expert"]{border-left-color:var(--accent)}
.tl-item h2{margin:0 0 6px;font-size:17px;display:inline}
.depth-label{display:block;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;font-weight:700}
.depth-note{border:1px dashed var(--line);padding:10px 14px;font-size:13px;color:var(--muted);margin:14px 0;display:none}
.depth-explain{position:fixed;right:18px;top:64px;z-index:60;background:var(--bg);border:1px solid var(--fg);
  padding:14px 16px;max-width:290px;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.depth-explain b{display:block;margin-bottom:6px;font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.depth-explain button{margin-top:8px}

/* --- evidence tags --- */
.evtag{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);padding:1px 7px;
  font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;color:var(--muted);
  vertical-align:middle;cursor:help;position:relative;white-space:nowrap}
.evtag i{font-style:normal;font-size:11px;line-height:1}
.evtag.evt-peer-reviewed i{color:#2f7a4d}.evtag.evt-official i{color:#2f7a4d}
.evtag.evt-preprint i{color:#8f7146}.evtag.evt-analyst i{color:#8f7146}
.evtag.evt-vendor i{color:#8a6a1f}.evtag.evt-disputed i{color:#a13a2e}
.evtag .evt-card{display:none;position:absolute;left:0;top:calc(100% + 6px);z-index:40;background:var(--bg);
  border:1px solid var(--fg);padding:10px 12px;width:250px;font-size:12px;line-height:1.5;color:var(--fg);
  text-transform:none;letter-spacing:0;font-weight:400;white-space:normal}
.evtag:hover .evt-card,.evtag:focus .evt-card{display:block}
.ev-legend{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center}

/* --- timeline --- */
.ev-toolbar{display:flex;gap:0;flex-wrap:wrap;margin:18px 0;border:1px solid var(--line);width:max-content;max-width:100%}
.ev-toolbar button{background:transparent;border:0;border-right:1px solid var(--line);padding:9px 15px;cursor:pointer;
  font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;color:var(--muted)}
.ev-toolbar button:last-child{border-right:0}
.ev-toolbar button.cur{background:var(--fg);color:var(--bg)}
.tl-list{border-left:1px solid var(--fg);margin:26px 0 26px 6px;padding-left:0;list-style:none}
.tl-item{position:relative;padding:0 0 26px 28px;margin:0}
.tl-item::before{content:"";position:absolute;left:-4.5px;top:6px;width:8px;height:8px;background:var(--bg);border:1.5px solid var(--fg)}
.tl-item.hidden{display:none}
.tl-date{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--muted);display:block;margin-bottom:3px}
.tl-item h3{margin:0 0 6px;font-size:17px}
.tl-item p{margin:0 0 6px;font-size:14px;color:var(--muted);max-width:70ch}
.tl-src{font-size:12.5px}

/* --- learning path --- */
.lp-track{counter-reset:lp;margin:26px 0;padding:0;list-style:none}
.lp-step{display:flex;gap:18px;border:1px solid var(--line);border-bottom:0;padding:18px 20px;background:var(--bg)}
.lp-step:last-child{border-bottom:1px solid var(--line)}
.lp-step:hover{background:var(--surface)}
.lp-num{counter-increment:lp;flex:none;width:44px;height:44px;border:1px solid var(--fg);display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700}
.lp-num::before{content:counter(lp,decimal-leading-zero)}
.lp-body{flex:1;min-width:0}
.lp-body h3{margin:0 0 4px;font-size:16.5px}
.lp-body h3 a{color:inherit}
.lp-body p{margin:0 0 6px;font-size:13.5px;color:var(--muted)}
.lp-targets{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:12px}
.lp-targets a{border:1px solid var(--line);padding:2px 9px;color:var(--muted)}
.lp-targets a:hover{border-color:var(--fg);color:var(--fg);text-decoration:none}
.lp-prereq{font-size:11.5px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}

/* --- guide structural pieces --- */
.sixsteps{counter-reset:none;margin:14px 0;padding-left:22px}
.sixsteps li{margin:0 0 12px;font-size:14.5px;line-height:1.6;max-width:75ch}
.mathline{font-family:"Times New Roman",Georgia,serif;font-style:italic;font-size:19px;text-align:center;
  border:1px solid var(--line);padding:16px 18px;margin:18px auto;max-width:460px;background:var(--surface)}
.analogy-flag{border-left:2px solid #8f7146;padding:10px 16px;margin:14px 0;font-size:13.5px;color:var(--muted);background:var(--surface)}
.analogy-flag b{color:var(--fg);font-size:11px;letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:3px}
.todo-verify{display:inline-block;border:1px dashed var(--line);color:var(--muted);padding:1px 8px;font-size:11px;
  letter-spacing:.06em;text-transform:uppercase}
.lesson-objectives{border:1px solid var(--line);border-left:2px solid var(--fg);padding:14px 18px;margin:0 0 18px;text-align:left}
.lesson-objectives b{font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.lesson-objectives ul{margin:8px 0 0;padding-left:20px}
.lesson-objectives li{font-size:13.5px;margin:3px 0;color:var(--muted)}

/* --- technology hub + sub-pages --- */
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:24px 0}
.tech-sub{background:var(--bg);padding:22px 20px;display:block;color:inherit}
.tech-sub:hover{background:var(--surface);text-decoration:none}
.tech-sub b{display:block;font-size:16px;margin-bottom:6px}
.tech-sub span{font-size:13px;color:var(--muted);line-height:1.5;display:block}
.tech-sub .fineprint{margin-top:8px}
@media (max-width:900px){.tech-grid{grid-template-columns:1fr}}

/* --- directory (companies/applications) --- */
.dir-filters{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0;align-items:center}
.dir-filters label{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.dir-filters select{border:1px solid var(--fg);background:var(--bg);color:var(--fg);padding:7px 10px;font-size:13px}
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:22px 0}
.dir-card{background:var(--bg);padding:18px;display:block;color:inherit;position:relative}
.dir-card:hover{background:var(--surface);text-decoration:none}
.dir-card b{font-size:15.5px;display:block}
.dir-card .dc-sub{font-size:12.5px;color:var(--muted);display:block;margin:4px 0 8px;line-height:1.5}
.dir-card .dc-tags{display:flex;gap:6px;flex-wrap:wrap;font-size:10.5px}
.dir-card .dc-tags i{font-style:normal;border:1px solid var(--line);padding:1px 7px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.dir-card .dc-tik{position:absolute;top:14px;right:14px;font-size:11px;letter-spacing:.08em;color:var(--muted);border:1px solid var(--line);padding:1px 7px}
@media (max-width:900px){.dir-grid{grid-template-columns:1fr}}

/* --- glossary depth blocks --- */
.gl3-entry{border:1px solid var(--line);border-bottom:0;padding:18px 22px}
.gl3-entry:last-of-type{border-bottom:1px solid var(--line)}
.gl3-entry h3{margin:0 0 8px;font-size:17px}
.gl3-entry .depth p{margin:4px 0;font-size:14px;line-height:1.65;max-width:78ch}

/* --- academy cards --- */
.academy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:26px 0}
.acad-card{border:1px solid var(--line);background:var(--bg);display:flex;flex-direction:column;padding:0 0 18px;text-align:left}
.acad-card>.cr-banner{width:100%;height:130px;object-fit:cover;margin:0}
.acad-head{padding:16px 18px 0}
.acad-tierlabel{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--muted)}
.acad-head h2{margin:6px 0 8px;font-size:19px}
.acad-meta{padding:0 18px;font-size:13px;color:var(--muted)}
.acad-meta ul{margin:4px 0 10px;padding-left:18px}
.acad-meta li{margin:2px 0;line-height:1.5}
.acad-meta.standalone{border:1px solid var(--line);padding:16px 20px;margin:16px 0;max-width:760px;margin-left:auto;margin-right:auto}
.acad-card .section-chips{padding:0 18px;margin:12px 0}
.acad-card .cc-bar.wide{margin:10px 18px}
.acad-card .cr-go{margin:8px 18px 0;align-self:stretch;text-align:center}
.acad-card.tier-cur{outline:2px solid var(--fg);outline-offset:-1px}
.qs-h{margin-top:54px}
@media (max-width:1000px){.academy-grid{grid-template-columns:1fr}}

/* --- home academy strip --- */
.academy-strip{border:1px solid var(--fg);margin:44px auto;padding:30px 28px;max-width:1080px}
.as-head h2{margin-top:0}
.as-head p{max-width:70ch;margin-left:auto;margin-right:auto;color:var(--muted);font-size:14.5px}
.as-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:20px 0 14px}
.as-tier{background:var(--bg);padding:18px;display:block;color:inherit;text-align:left}
.as-tier:hover{background:var(--surface);text-decoration:none}
.as-lv{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--muted);display:block;margin-bottom:6px}
.as-tier b{font-size:15.5px;display:block;margin-bottom:4px}
.as-sub{font-size:12.5px;color:var(--muted);line-height:1.5;display:block}
@media (max-width:900px){.as-tiers{grid-template-columns:1fr}}

/* stack + capstone + misc */
.stack-note{font-size:12.5px;color:var(--muted)}
.course-cta #capstoneDone[disabled]{opacity:.5;cursor:default}
.ddmenu-right{left:auto;right:0}

/* topbar fit: 9-item settled nav + depth control (measured squeeze tiers) */
@media (max-width:1750px){
  .topbar{gap:10px}
  .mainnav>a,.mainnav .ddbtn{letter-spacing:.04em;padding:7px 6px;font-size:11px}
  .searchwrap input{width:110px}
}
@media (max-width:1560px){
  .topbar{gap:8px}
  .logo{letter-spacing:.12em;font-size:12.5px}
  .mainnav>a,.mainnav .ddbtn{letter-spacing:.02em;padding:6px 5px;font-size:10.5px}
  .searchwrap input{width:92px}
  .depthctl button span{display:none}
  .depthctl button::after{content:attr(data-short)}
  .depthctl button{padding:5px 8px;font-size:10px;letter-spacing:0}
}
@media (max-width:1380px){
  .topbar{gap:6px;padding:0 10px}
  .logo{letter-spacing:.08em;font-size:12px}
  .mainnav{gap:0}
  .mainnav>a,.mainnav .ddbtn{letter-spacing:0;padding:5px 4px;font-size:10px}
  .searchwrap input{width:70px;padding:6px 8px}
  .gaugechip svg{width:26px}
}
@media (max-width:1180px){
  .mainnav{display:none}   /* burger side menu takes over below laptop width */
  .depthctl{display:none}  /* depth persists via localStorage; default Curious */
}

/* application deep pages */
.apx-h{margin-top:44px}
.reading-list .rail-item b{font-weight:600}
.reading-list .rail-item .evtag{vertical-align:baseline}

/* ============ SEP 15 DESIGN REVIEW: tech cards, news media, curriculum map, listen glyph ============ */

/* technology hub: image cards, heading on the picture in white over a dark gradient */
.pillar-card.tech-sub{padding:0;display:flex;flex-direction:column;overflow:hidden}
.ts-media{position:relative;display:block;height:150px;background:var(--surface)}
.ts-media img{width:100%;height:100%;object-fit:cover;display:block;margin:0}
.ts-media .ts-motif{position:absolute;inset:0;width:100%;height:100%;color:var(--fg);opacity:.9;padding:14px;box-sizing:border-box}
.ts-media b{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;color:#fff;font-size:16px;
  background:linear-gradient(transparent, rgba(10,10,8,.78));text-align:left}
.ts-media.motif b{color:var(--fg);background:linear-gradient(transparent, var(--surface) 78%)}
.ts-desc{display:block;padding:12px 16px 16px;font-size:13px;color:var(--muted);line-height:1.55;text-align:left}

/* news cards: source thumbnails + designed topic tiles */
.news-card.has-media{padding-top:0;overflow:hidden}
.news-card .nc-thumb,.news-card .nc-tile{display:block;width:calc(100% + 0px);height:120px;object-fit:cover;margin:0 0 10px}
.nc-tile{display:flex;align-items:center;justify-content:center;background:var(--surface);border-bottom:1px solid var(--line);color:var(--fg)}
.nc-tile svg{width:70%;height:76%}
.stream-item.has-media{display:flex;gap:16px;align-items:flex-start}
.stream-item .nc-thumb,.stream-item .nc-tile{flex:0 0 132px;width:132px;height:88px;margin:2px 0 0}
.stream-item .si-body{flex:1;min-width:0}
@media (max-width:640px){.stream-item .nc-thumb,.stream-item .nc-tile{flex-basis:96px;width:96px;height:66px}}

/* curriculum map */
.cm-wrap{max-width:1080px;margin:22px auto 6px}
.cm-map{width:100%;height:auto;color:var(--fg)}
.cm-node rect{transition:none}
.cm-node.done rect{fill:var(--surface)}
.cm-node.done .cm-dot{fill:#8f7146}
.cm-node.here rect{stroke:#8f7146;stroke-width:2.6}
.cm-node:hover rect{stroke:#8f7146}
.cm-legend{text-align:center;margin-bottom:26px}

/* listen buttons: glyph + label */
.lb-listen{display:inline-flex;align-items:center;gap:8px}
.lb-glyph{width:11px;height:11px;flex:none}

/* small inline concept diagrams (linear-algebra lesson) */
.diagram.mini{max-width:340px;margin:14px 0 22px;border:1px solid var(--line);padding:12px;background:var(--bg)}
.diagram.mini svg{width:100%;height:auto;color:var(--fg);display:block}

/* credited Commons photography */
.photo-fig{margin:18px auto 22px;max-width:860px;border:1px solid var(--line);background:var(--bg)}
.photo-fig img{width:100%;display:block}
.photo-fig figcaption{padding:10px 14px;font-size:12.5px;line-height:1.55;color:var(--muted)}
.photo-fig .ph-credit{display:block;margin-top:3px;font-size:11.5px;letter-spacing:.02em}
.photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:18px 0}
.photo-grid .photo-fig{margin:0}
@media (max-width:820px){.photo-grid{grid-template-columns:1fr}}
.f-imagery{font-size:11.5px;color:#9aa4b2;margin:0 0 8px}

/* company directory media column + learn card media */
.co-media{width:96px}
.co-thumb{width:88px;height:56px;object-fit:cover;display:block;border:1px solid var(--line)}
.co-logo{width:88px;height:40px;object-fit:contain;display:block;background:#fff;padding:5px 7px;box-sizing:border-box;border:1px solid var(--line)}
.co-mono{width:88px;height:56px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);
  font-size:22px;font-weight:700;color:var(--muted);background:var(--surface);text-decoration:none}
.co-mono:hover{color:var(--fg);border-color:var(--fg);text-decoration:none}
.lp-media{flex:0 0 190px;align-self:flex-start}
.lp-media img{width:190px;height:116px;object-fit:cover;display:block;border:1px solid var(--line)}
.lp-credit{display:block;font-size:10px;color:var(--muted);margin-top:3px;line-height:1.4}
.lp-diagram{display:block;width:190px;border:1px solid var(--line);padding:8px;box-sizing:border-box;background:var(--bg)}
.lp-diagram svg{width:100%;height:auto;color:var(--fg);display:block}
@media (max-width:700px){.lp-media{flex-basis:130px}.lp-media img,.lp-diagram{width:130px}.lp-media img{height:82px}}

/* 19 Sep 2026: phone fit. The header buttons and the footer sign-up box ran past a 390px screen, so pages
   loaded zoomed out. On a phone the theme switch steps aside (the phone's own setting applies), the search box
   shrinks, footer columns may shrink, and wide tables scroll inside the page. */
@media (max-width: 560px) {
  .topbar { gap: 6px; padding-left: 10px; padding-right: 10px; }
  .topbar .tb-theme, .topbar > .theme-toggle { display: none; }
  .topbar .searchwrap { flex: 1 1 auto; min-width: 0; }
  .topbar .searchwrap input { min-width: 0; width: 100%; }
  .footer { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .f-col { min-width: 0; }
  .f-sub input { min-width: 0; flex: 1 1 150px; max-width: 100%; }
  main table { display: block; max-width: 100%; overflow-x: auto; }
}
canvas#starfield { max-width: 100%; }

/* 19 Sep 2026: phone header. The search box was squeezed; the gauge chip steps aside on phones. */
@media (max-width: 560px) {
  .topbar .gaugechip { display: none; }
  .topbar .logo { font-size: 11px; }
  .topbar .searchwrap { flex: 1 1 90px; min-width: 90px; }
  .topbar .searchwrap input, #searchBox { width: 100%; min-width: 0; }
}

/* 19 Sep 2026: long addresses in the copyable agent prompts break onto the next line on a phone instead of
   widening the page. */
pre, code, .prompt-text, .prompt-box, .prompt-card { overflow-wrap: anywhere; word-break: break-word; }
pre { max-width: 100%; white-space: pre-wrap; }

/* 19 Sep 2026: on a phone the intro sat over the bright gold of the chandelier; the shade is deeper there. */
@media (max-width: 700px) { .fh-shade { background: linear-gradient(to bottom, rgba(6,8,14,.62) 0%, rgba(6,8,14,.74) 45%, rgba(6,8,14,.84) 100%); } .fh-content p { color: rgba(255,255,255,.95); } }

/* 19 Sep 2026: one-column grids may shrink below their widest item on a phone, so a long word, a wide
   table or a sidebar line can no longer push the page past the screen edge. Same conditions as the rules above. */
@media (max-width:900px) { .movers-grid, .home-grid, .detail-grid, .cat-news, .rank-row, .how-strip, .tech-grid, .dir-grid, .as-tiers { grid-template-columns: minmax(0, 1fr); } }
@media (max-width:640px) { .learn-grid, .qc-compare { grid-template-columns: minmax(0, 1fr); } }
@media (max-width:600px) { .pillar-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width:1000px) { .academy-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width:820px) { .photo-grid { grid-template-columns: minmax(0, 1fr); } }

/* 19 Sep 2026: on a phone the lesson row squeezed its words into a 118px column beside the number and the
   picture. The number and picture sit on one line, the lesson text runs the full width below. */
@media (max-width: 700px) { .lp-step { flex-wrap: wrap; gap: 10px 12px; padding: 14px; } .lp-step .lp-media { width: 96px; flex: none; } .lp-step .lp-body { flex: 1 1 100%; min-width: 0; } }

/* 19 Sep 2026: the course map was squashed to 370px on a phone and its step labels became unreadable.
   It keeps a legible size and scrolls sideways instead. */
@media (max-width: 700px) { .diagram.cm-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; } .diagram.cm-wrap .cm-map { min-width: 620px; height: auto; } }

/* ---- 19 Sep 2026: no text on photographs — words on paper, picture beside them ---- */
section.fullhero {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) minmax(0, 42%);
  align-items: stretch;
  min-height: 0 !important;
  position: relative;
}
section.fullhero::before, section.fullhero::after { display: none !important; }
section.fullhero .fh-shade { display: none !important; }
section.fullhero > img.fh-img {
  position: static !important; inset: auto !important; transform: none !important;
  grid-column: 2; grid-row: 1;
  width: 100% !important; height: 100% !important; max-height: none !important;
  min-height: 300px; object-fit: cover; filter: none !important; opacity: 1 !important;
}
section.fullhero > img.fh-img img { width: 100%; height: 100%; object-fit: cover; }
section.fullhero > .fh-content {
  position: static !important; inset: auto !important; transform: none !important;
  grid-column: 1; grid-row: 1;
  background: rgb(250, 250, 248) !important; background-image: none !important;
  width: 100%; max-width: none;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(22px, 3vw, 46px) clamp(18px, 3vw, 40px) clamp(22px, 3vw, 46px) max(20px, calc(50vw - 590px));
}
section.fullhero > .fh-content :is(h1, h2, h3, p, li, span, strong, b, em, small, div) {
  color: rgb(20, 20, 18) !important; text-shadow: none !important;
}

@media (max-width: 760px) {
  section.fullhero { grid-template-columns: minmax(0, 1fr); }
  section.fullhero > img.fh-img { grid-column: 1; grid-row: 1; height: clamp(150px, 38vw, 210px) !important; min-height: 0; }
  section.fullhero > .fh-content { grid-column: 1; grid-row: 2; padding: 20px 18px 24px; }
  
}
section.fullhero .qh-cta a.bigbtn { color: rgb(20, 20, 18) !important; border-color: rgba(20,20,18,.3) !important; }

/* 19 Sep 2026: the sister-site links were ink on an ink footer band — invisible */
.f-family, .f-family a, .f-family a:visited { color: #E6E5E1 !important; }
.f-family a:hover { color: #FFFFFF !important; }
.footer .f-legal, .footer .f-legal a, .footer .f-legal p { color: #B5B1A6 !important; }
.footer .f-legal a:hover { color: #FFFFFF !important; }