/* ==========================================================================
   au-trends — editorial data styling.
   Deliberately not a card-grid dashboard: this reads like a printed index.
   Type does the work, rules do the structure, colour is rationed.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --paper:#FBFAF6;
  --paper-2:#F4F1E9;
  --ink:#15140F;
  --ink-2:#3D3A31;
  --muted:#7A7466;
  --rule:#E0DACB;
  --rule-2:#CFC7B4;

  --emerging:#0E6E4E;
  --rising:#B4531A;
  --peaking:#992C2C;
  --declining:#4B5566;

  --serif:'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --sans:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --page:1220px;
  --gut:clamp(20px, 4vw, 56px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(rgba(21,20,15,.022) 1px, transparent 1px);
  background-size:3px 3px;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:400;letter-spacing:-.015em}
p{margin:0 0 1em}
.wrap{max-width:var(--page);margin:0 auto;padding:0 var(--gut)}
.narrow{max-width:760px}

/* --------------------------------------------------------------- masthead */
.masthead{border-bottom:1px solid var(--ink);background:var(--paper);position:sticky;top:0;z-index:60}
.masthead .wrap{display:flex;align-items:center;gap:28px;height:62px}
.wordmark{display:flex;align-items:baseline;gap:.42rem;font-family:var(--serif);
  font-size:25px;letter-spacing:-.02em;white-space:nowrap}
.wordmark .mk{display:inline-block;width:11px;height:11px;border-radius:50%;
  background:var(--rising);position:relative;top:-1px}
.wordmark em{font-style:italic}
.mast-nav{display:flex;gap:22px;font-size:13.5px;letter-spacing:.01em;color:var(--ink-2);
  margin-left:6px;overflow-x:auto;scrollbar-width:none}
.mast-nav::-webkit-scrollbar{display:none}
.mast-nav a{padding:4px 0;border-bottom:1.5px solid transparent;white-space:nowrap}
.mast-nav a:hover{color:var(--ink)}
.mast-nav a.on{border-bottom-color:var(--ink);color:var(--ink);font-weight:500}
.mast-nav .cat{display:none}
@media(min-width:1180px){.mast-nav .cat{display:inline}}
.mast-right{margin-left:auto;display:flex;align-items:center;gap:16px;font-size:13.5px}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--ink);
  padding:5px 13px;border-radius:100px;font-size:12.5px;font-weight:500;
  transition:background .13s ease,color .13s ease}
.pill:hover{background:var(--ink);color:var(--paper)}
.dot-count{background:var(--rising);color:#fff;border-radius:100px;font-family:var(--mono);
  font-size:10.5px;padding:1px 6px;font-weight:600}

/* ------------------------------------------------------------------ hero */
.hero{padding:clamp(44px,6vw,86px) 0 clamp(30px,4vw,52px);border-bottom:1px solid var(--rule)}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:20px}
.hero h1{font-family:var(--serif);font-size:clamp(42px,6.6vw,86px);line-height:.98;
  letter-spacing:-.028em;max-width:15ch}
.hero h1 em{font-style:italic;color:var(--rising)}
.hero .lede{margin-top:22px;font-size:clamp(16px,1.45vw,19px);max-width:56ch;color:var(--ink-2);line-height:1.62}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,72px);align-items:end}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}

/* lead topic card in hero */
.lead-topic{border-top:1px solid var(--ink);padding-top:16px}
.lead-topic .lt-meta{display:flex;justify-content:space-between;align-items:baseline;
  font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.lead-topic h3{font-family:var(--serif);font-size:34px;line-height:1.06;margin:10px 0 4px}
.lead-topic .lt-desc{font-size:14px;color:var(--muted);margin-bottom:14px}
.lead-topic .spark{width:100%;height:88px;display:block}

/* ------------------------------------------------------------ stage chips */
.stagebar{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--rule);
  border-bottom:1px solid var(--rule);margin:0}
.stagebar a{flex:1 1 0;min-width:150px;padding:16px 18px 15px;border-right:1px solid var(--rule);
  transition:background .15s ease}
.stagebar a:last-child{border-right:0}
.stagebar a:hover{background:var(--paper-2)}
.stagebar .s-n{font-family:var(--mono);font-size:22px;font-weight:500;letter-spacing:-.02em}
.stagebar .s-l{font-size:13px;font-weight:600;margin-top:2px}
.stagebar .s-d{font-size:12.5px;color:var(--muted);line-height:1.45;margin-top:3px}
.stagebar a.on{background:var(--ink);color:var(--paper)}
.stagebar a.on .s-d{color:rgba(251,250,246,.66)}

/* ------------------------------------------------------------- topic rows */
.section-head{display:flex;align-items:baseline;justify-content:space-between;
  padding:52px 0 14px;border-bottom:1px solid var(--ink)}
.section-head h2{font-family:var(--serif);font-size:clamp(26px,3vw,38px);letter-spacing:-.02em}
.section-head .sh-note{font-family:var(--mono);font-size:11px;letter-spacing:.11em;
  text-transform:uppercase;color:var(--muted)}

.rows{border-bottom:1px solid var(--rule)}
.row{display:grid;grid-template-columns:52px 1fr 190px 128px 108px;gap:20px;align-items:center;
  padding:19px 4px;border-bottom:1px solid var(--rule);transition:background .12s ease}
.row:hover{background:var(--paper-2)}
.row .rk{font-family:var(--mono);font-size:14px;color:var(--muted);letter-spacing:-.02em;
  padding-top:2px;align-self:start}
.row .tt{min-width:0}
.row .tt h3{font-family:var(--serif);font-size:25px;line-height:1.12;letter-spacing:-.015em;
  margin-bottom:3px}
.row:hover .tt h3{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.row .tt .sub{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.row .tt .sub .cat{color:var(--ink-2)}
.row .spark{width:100%;height:44px;display:block}
.row .growth{text-align:right;font-family:var(--mono)}
.row .growth .g1{font-size:19px;font-weight:500;letter-spacing:-.03em}
.row .growth .g2{font-size:11px;color:var(--muted);letter-spacing:.04em}
.row .tag-cell{text-align:right}
@media(max-width:980px){
  .row{grid-template-columns:38px 1fr 110px;gap:14px}
  .row .spark{display:none}
  .row .tag-cell{grid-column:2/4;text-align:left;margin-top:2px}
}

.tag{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;padding:3px 8px;border:1px solid currentColor;border-radius:2px}
.tag.emerging{color:var(--emerging)}
.tag.rising{color:var(--rising)}
.tag.peaking{color:var(--peaking)}
.tag.declining{color:var(--declining)}
.tag.solid{color:var(--paper);border-color:transparent}
.tag.solid.emerging{background:var(--emerging)}
.tag.solid.rising{background:var(--rising)}
.tag.solid.peaking{background:var(--peaking)}
.tag.solid.declining{background:var(--declining)}

.up{color:var(--emerging)}
.down{color:var(--peaking)}

/* ------------------------------------------------------------------ filters */
.filters{position:sticky;top:62px;z-index:50;background:var(--paper);
  border-bottom:1px solid var(--rule);padding:14px 0}
.filters .wrap{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.f-group{display:flex;align-items:center;gap:7px}
.f-label{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
select,input[type=text],input[type=email],input[type=password],input[type=number]{
  font-family:var(--sans);font-size:13.5px;color:var(--ink);background:transparent;
  border:1px solid var(--rule-2);border-radius:3px;padding:7px 10px;outline:none}
select:focus,input:focus{border-color:var(--ink)}
.searchbox{position:relative;flex:1 1 240px;max-width:340px}
.searchbox input{width:100%}
.suggest{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--paper);
  border:1px solid var(--ink);border-radius:3px;z-index:80;max-height:320px;overflow:auto}
.suggest a{display:block;padding:9px 12px;font-size:14px;border-bottom:1px solid var(--rule)}
.suggest a:last-child{border-bottom:0}
.suggest a:hover{background:var(--paper-2)}
.suggest .s-cat{font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.06em}
.check{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);cursor:pointer}

/* ------------------------------------------------------------- topic page */
.topic-head{padding:clamp(34px,4.6vw,60px) 0 0}
.crumb{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);margin-bottom:22px;display:flex;gap:10px;align-items:center}
.topic-head h1{font-family:var(--serif);font-size:clamp(40px,6.2vw,80px);line-height:.99;
  letter-spacing:-.028em;max-width:18ch}
.topic-head .desc{margin-top:16px;font-size:18px;color:var(--ink-2);max-width:62ch}
.topic-actions{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}

.statstrip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);
  border-bottom:1px solid var(--rule);margin-top:34px}
.statstrip>div{padding:18px 20px 18px 0;border-right:1px solid var(--rule)}
.statstrip>div:last-child{border-right:0}
.statstrip .sv{font-family:var(--mono);font-size:26px;font-weight:500;letter-spacing:-.035em}
.statstrip .sl{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-top:4px}
@media(max-width:760px){.statstrip{grid-template-columns:repeat(2,1fr)}}

.chartwrap{margin:44px 0 12px}
.chart{width:100%;height:clamp(260px,32vw,400px);display:block}
.chart-legend{display:flex;gap:22px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);margin-top:10px;flex-wrap:wrap}

.twocol{display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(30px,5vw,64px);
  padding:22px 0 70px;align-items:start}
@media(max-width:940px){.twocol{grid-template-columns:1fr}}

.checks{border-top:1px solid var(--ink)}
.check-row{display:grid;grid-template-columns:26px 1fr auto;gap:14px;padding:17px 0;
  border-bottom:1px solid var(--rule);align-items:start}
.check-row .ck{font-family:var(--mono);font-size:15px;line-height:1.2;padding-top:2px}
.check-row .ck.y{color:var(--emerging)}
.check-row .ck.n{color:var(--peaking)}
.check-row h4{font-size:15px;font-weight:600;margin-bottom:3px}
.check-row p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.55}
.check-row .cv{font-family:var(--mono);font-size:13px;color:var(--ink-2);white-space:nowrap;padding-top:1px}

.side h3{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);padding-bottom:10px;border-bottom:1px solid var(--ink);margin-bottom:4px}
.side .kv{display:flex;justify-content:space-between;gap:14px;padding:11px 0;
  border-bottom:1px solid var(--rule);font-size:13.5px}
.side .kv .k{color:var(--muted)}
.side .kv .v{font-family:var(--mono);text-align:right}
.side+.side{margin-top:38px}

.prose{font-size:16.5px;line-height:1.72;color:var(--ink-2);max-width:64ch}
.prose h2{font-family:var(--serif);font-size:32px;margin:44px 0 12px;color:var(--ink)}
.prose h3{font-size:16px;font-weight:600;margin:28px 0 6px;color:var(--ink)}
.prose ul{padding-left:18px;margin:0 0 18px}
.prose li{margin-bottom:7px}
.prose code{font-family:var(--mono);font-size:.87em;background:var(--paper-2);padding:1px 5px;border-radius:2px}

/* ------------------------------------------------------------------- misc */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--ink);background:var(--ink);
  color:var(--paper);padding:9px 18px;border-radius:100px;font-size:13.5px;font-weight:500;
  cursor:pointer;font-family:var(--sans)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.btn.sm{padding:6px 13px;font-size:12.5px}
.empty{padding:70px 0;text-align:center;color:var(--muted);font-size:15px}
.flash{padding:11px 0;border-bottom:1px solid var(--rule);font-size:14px}
.flash .wrap{display:flex;gap:10px;align-items:center}
.flash.err{color:var(--peaking)}
.paging{display:flex;justify-content:space-between;padding:26px 0 70px;font-size:14px}

.formcard{max-width:400px;margin:70px auto 110px}
.formcard h1{font-family:var(--serif);font-size:42px;margin-bottom:8px}
.formcard p.sub{color:var(--muted);font-size:14.5px;margin-bottom:26px}
.formcard label{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin:16px 0 5px}
.formcard input{width:100%}
.formcard .btn{width:100%;justify-content:center;margin-top:22px}

footer.site{border-top:1px solid var(--ink);padding:34px 0 60px;font-size:13px;color:var(--muted)}
footer.site .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer.site a{border-bottom:1px solid var(--rule-2)}