/* ============================================================
   AG6 RESEARCH — shared stylesheet (journal + article pages)
   ============================================================ */
:root{
  --paper:#F3F3EC; --paper-2:#EAEBE0; --paper-3:#E2E4D6; --line:#D6D8C7;
  --ink:#101D17; --ink-soft:#3C463F; --ink-dim:#6A7268;
  --pine:#173B2D; --pine-deep:#0E2A20; --pine-ink:#0A211A;
  --on-pine:#EDEFE2; --on-pine-dim:rgba(237,239,226,.62); --pine-line:rgba(237,239,226,.14);
  --brass:#A5843C; --brass-soft:#C2A75F; --brass-deep:#86682B;
  --jade:#2F7A57; --rust:#A14E33;
  --radius:4px; --shadow:0 18px 50px -24px rgba(16,29,23,.28);
  --serif:'Libre Caslon Text',Georgia,serif;
  --sans:'Public Sans',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}
input,select{font:inherit;color:inherit}
::selection{background:var(--pine);color:var(--paper)}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:2px}
.container{width:min(1180px,92%);margin:0 auto}
.container-r{width:min(760px,92%);margin:0 auto}
.mono{font-family:var(--mono)}
.skip-link{position:absolute;left:-999px;top:0;z-index:200;background:var(--pine);color:var(--on-pine);padding:.6rem 1rem;font-family:var(--mono);font-size:.8rem}
.skip-link:focus{left:12px;top:12px}

h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.14;letter-spacing:-.005em}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem)}
h2{font-size:clamp(1.7rem,3vw,2.35rem)}
h3{font-size:1.3rem;line-height:1.3}
.lede{font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--ink-soft)}
.eyebrow{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--brass-deep);display:flex;align-items:center;gap:.75rem;margin-bottom:1.1rem}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brass)}
.on-dark .eyebrow{color:var(--brass-soft)}

.btn{display:inline-flex;align-items:center;gap:.55rem;padding:.78rem 1.5rem;border-radius:var(--radius);font-weight:600;font-size:.92rem;background:var(--pine);color:var(--on-pine);border:1px solid var(--pine);transition:background .18s,border-color .18s,transform .18s}
.btn:hover{background:var(--pine-deep);transform:translateY(-1px)}
.btn .arr{transition:transform .18s}.btn:hover .arr{transform:translateX(3px)}
.btn-ghost{background:transparent;color:var(--pine);border:1px solid var(--pine)}
.btn-ghost:hover{background:var(--pine);color:var(--on-pine)}
.on-dark .btn-ghost{color:var(--on-pine);border-color:rgba(237,239,226,.4)}
.on-dark .btn-ghost:hover{background:var(--on-pine);color:var(--pine-ink)}

.chip{font-family:var(--mono);font-size:.68rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;padding:.28rem .6rem;border-radius:3px;white-space:nowrap;display:inline-block}
.chip.jade{background:rgba(47,122,87,.13);color:#256349;border:1px solid rgba(47,122,87,.35)}
.chip.brass{background:rgba(165,132,60,.13);color:#7A5E24;border:1px solid rgba(165,132,60,.4)}
.chip.gray{background:rgba(60,70,63,.08);color:var(--ink-soft);border:1px solid var(--line)}
.chip.rust{background:rgba(161,78,51,.12);color:#84402A;border:1px solid rgba(161,78,51,.35)}

/* ---- top bar + header (shared) ---- */
.topbar{background:var(--pine-ink);color:var(--on-pine-dim)}
.topbar-in{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;padding:.5rem 0;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em}
.topbar .reg{display:flex;align-items:center;gap:.6rem;white-space:nowrap;overflow:hidden}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--brass-soft);flex:none;animation:pulse 2.6s ease infinite}
.topbar-links{display:flex;gap:1.4rem;flex:none}
.topbar-links a:hover{color:var(--on-pine)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.site-head{position:sticky;top:0;z-index:100;background:rgba(243,243,236,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head.scrolled{box-shadow:0 10px 30px -18px rgba(16,29,23,.35)}
.head-in{display:flex;align-items:center;gap:2.2rem;padding:.9rem 0}
.brand{display:flex;align-items:center;gap:.8rem;flex:none}
.brand .seal{width:42px;height:42px;flex:none;color:var(--pine)}
.brand-name{font-family:var(--serif);font-size:1.28rem;line-height:1.05}
.brand-name small{display:block;font-family:var(--mono);font-size:.58rem;letter-spacing:.3em;text-transform:uppercase;color:var(--brass-deep);margin-top:.28rem}
.site-nav{display:flex;gap:1.7rem;margin-left:auto}
.site-nav a{font-size:.9rem;font-weight:500;color:var(--ink-soft);padding:.4rem 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.site-nav a:hover,.site-nav a.active{color:var(--pine);border-bottom-color:var(--brass)}
.head-cta{flex:none}.head-cta .btn{padding:.62rem 1.15rem;font-size:.85rem}
.nav-toggle{display:none;flex:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius);align-items:center;justify-content:center;color:var(--pine)}
.nav-toggle svg{width:20px;height:20px}

/* ---- footer (shared, compact) ---- */
footer{background:var(--pine-ink);color:var(--on-pine-dim);margin-top:5rem}
.foot-top{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:2.6rem;padding:4rem 0 3rem;border-bottom:1px solid var(--pine-line)}
.foot-brand .seal{width:48px;height:48px;color:var(--brass-soft);margin-bottom:1rem}
.foot-brand p{font-size:.85rem;max-width:34ch;line-height:1.7}
.foot-brand .off{margin-top:1.2rem;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;line-height:2}
.foot-col h4{font-family:var(--mono);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--brass-soft);margin-bottom:1.1rem;font-weight:500}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.foot-col a{font-size:.84rem;transition:color .14s}.foot-col a:hover{color:var(--on-pine)}
.foot-bot{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;flex-wrap:wrap;padding:1.5rem 0;font-family:var(--mono);font-size:.68rem;letter-spacing:.06em}
.foot-bot .legal{display:flex;gap:1.6rem;flex-wrap:wrap}
.foot-bot a:hover{color:var(--on-pine)}

/* ---- reveal ---- */
.rv{opacity:0;transform:translateY(16px);transition:opacity .7s,transform .7s}
.rv.on{opacity:1;transform:none}

/* ============================================================
   JOURNAL PAGE
   ============================================================ */
.page-hero{background:var(--pine);color:var(--on-pine);border-bottom:1px solid var(--pine-deep);position:relative;overflow:hidden}
.page-hero .grat{position:absolute;inset:0;opacity:.5;pointer-events:none}
.page-hero-in{position:relative;z-index:2;padding:4.5rem 0 4rem;max-width:64ch}
.page-hero h1{color:var(--on-pine);margin-bottom:1.2rem}
.page-hero h1 em{font-style:italic;color:var(--brass-soft)}
.page-hero p{color:var(--on-pine-dim);font-size:1.1rem;max-width:60ch}
.breadcrumb{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--on-pine-dim);margin-bottom:1.6rem;display:flex;gap:.6rem;align-items:center}
.breadcrumb a:hover{color:var(--brass-soft)}
.breadcrumb span{color:var(--brass-soft)}

.jstat-row{display:flex;gap:2.5rem;flex-wrap:wrap;margin-top:2.2rem;padding-top:1.8rem;border-top:1px solid var(--pine-line)}
.jstat b{font-family:var(--serif);font-size:1.9rem;color:var(--on-pine);display:block;line-height:1}
.jstat span{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-pine-dim);margin-top:.4rem;display:block}

/* filter toolbar */
.jtools{position:sticky;top:112px;z-index:40;background:var(--paper);border-bottom:1px solid var(--line);padding:1.1rem 0}
.jtools-in{display:flex;gap:.7rem;flex-wrap:wrap;align-items:center}
.jsearch{flex:1;min-width:220px;display:flex;align-items:center;gap:.6rem;background:#FDFDF9;border:1px solid var(--line);border-radius:var(--radius);padding:.6rem .9rem}
.jsearch svg{width:16px;height:16px;color:var(--ink-dim);flex:none}
.jsearch input{border:none;background:transparent;width:100%}
.jsearch input:focus{outline:none}
.jfilter{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;padding:.55rem .95rem;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft);background:#FDFDF9;transition:all .14s}
.jfilter:hover{border-color:var(--brass);color:var(--pine)}
.jfilter[aria-pressed="true"]{background:var(--pine);border-color:var(--pine);color:var(--on-pine)}

/* programme cluster in journal */
.jsection{padding:4rem 0 1rem}
.jsection-head{display:flex;align-items:baseline;gap:1rem;margin-bottom:.4rem}
.jsection-head .jl{flex:none;font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;color:var(--brass-deep)}
.jsection-head h2{font-size:clamp(1.5rem,2.4vw,1.95rem)}
.jsection-head .line{flex:1;height:1px;background:var(--line)}
.jsection > .container > p.jdesc{color:var(--ink-dim);max-width:60ch;margin-bottom:2rem}

/* paper list */
.paper-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.paper{display:grid;grid-template-columns:auto 1fr auto;gap:1.6rem;align-items:start;padding:1.6rem 0;border-bottom:1px solid var(--line);transition:background .14s}
.paper:hover{background:var(--paper-2)}
.paper .pcode{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--brass-deep);padding-top:.3rem;white-space:nowrap}
.paper .pmain{min-width:0}
.paper .ptags{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:.7rem}
.paper h3{font-family:var(--serif);font-size:1.28rem;line-height:1.28;margin-bottom:.5rem}
.paper h3 a{transition:color .14s}.paper h3 a:hover{color:var(--pine)}
.paper .pabs{font-size:.92rem;color:var(--ink-soft);max-width:70ch}
.paper .pmeta{font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;color:var(--ink-dim);margin-top:.7rem;display:flex;gap:1.2rem;flex-wrap:wrap}
.paper .pmeta b{color:var(--ink-soft);font-weight:600}
.paper .pcta{display:flex;flex-direction:column;align-items:flex-end;gap:.6rem;white-space:nowrap}
.paper .pread{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--pine);border-bottom:1px solid var(--brass);padding-bottom:.3rem}
.paper .pread:hover{color:var(--brass-deep)}
.paper .plock{font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim);display:flex;align-items:center;gap:.35rem}
.jnores{display:none;text-align:center;padding:3rem 1rem;color:var(--ink-dim);border:1px dashed var(--line);border-radius:var(--radius);margin-top:1.5rem}
.jnores.show{display:block}

/* CTA band */
.jcta{background:var(--pine-deep);color:var(--on-pine);margin-top:4rem}
.jcta-in{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:3rem;align-items:center;padding:4rem 0}
.jcta h2{color:var(--on-pine);max-width:20ch}
.jcta p{color:var(--on-pine-dim);margin-top:.9rem;max-width:46ch}
.jcta .actions{display:flex;gap:.8rem;flex-wrap:wrap;justify-content:flex-end}
.jcta .btn-brass{background:var(--brass);border-color:var(--brass);color:#1C1608}
.jcta .btn-brass:hover{background:var(--brass-soft);border-color:var(--brass-soft)}

/* ============================================================
   ARTICLE / PAPER PAGE
   ============================================================ */
.art-hero{background:var(--paper-2);border-bottom:1px solid var(--line)}
.art-hero-in{padding:3.4rem 0 2.8rem}
.art-hero .ptags{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.3rem}
.art-hero h1{max-width:24ch;margin-bottom:1.3rem}
.art-hero .sub{font-size:1.12rem;color:var(--ink-soft);max-width:62ch}
.art-byline{display:flex;gap:1.8rem;flex-wrap:wrap;margin-top:2rem;padding-top:1.6rem;border-top:1px solid var(--line);font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;color:var(--ink-dim)}
.art-byline b{color:var(--ink);font-weight:600}
.art-byline .v{display:flex;flex-direction:column;gap:.2rem}

.art-body{padding:3.2rem 0 1rem}
.art-body .container-r > *{margin-bottom:1.35rem}
.art-lead{font-size:1.18rem;line-height:1.7;color:var(--ink)}
.art-lead::first-letter{font-family:var(--serif);font-size:3.4rem;float:left;line-height:.8;padding:.35rem .55rem 0 0;color:var(--pine)}
.art-body h2{font-size:1.75rem;margin-top:2.8rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.art-body h3{font-size:1.24rem;margin-top:1.8rem;color:var(--pine)}
.art-body p{color:var(--ink-soft);font-size:1.03rem}
.art-body strong{color:var(--ink);font-weight:600}
.art-body em{font-style:italic}
.art-body a.ref{color:var(--pine);border-bottom:1px solid var(--brass)}
.art-body ul,.art-body ol{padding-left:1.3rem;color:var(--ink-soft)}
.art-body li{margin-bottom:.55rem;padding-left:.3rem}
.art-body li::marker{color:var(--brass)}
.art-body blockquote{border-left:3px solid var(--brass);padding:.4rem 0 .4rem 1.4rem;font-family:var(--serif);font-style:italic;font-size:1.2rem;color:var(--ink);margin:2rem 0}
.pull{font-family:var(--serif);font-size:1.5rem;line-height:1.4;color:var(--pine);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.8rem 0;margin:2.4rem 0 !important}

.callout{background:var(--paper-2);border:1px solid var(--line);border-left:3px solid var(--brass);border-radius:var(--radius);padding:1.4rem 1.5rem;margin:2rem 0}
.callout .ct{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brass-deep);margin-bottom:.6rem}
.callout p{font-size:.95rem;margin:0}
.callout p + p{margin-top:.7rem}

/* data table inside articles */
.art-table{width:100%;border-collapse:collapse;margin:2rem 0;font-size:.9rem}
.art-table caption{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim);text-align:left;margin-bottom:.7rem}
.art-table th{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brass-deep);text-align:left;font-weight:500;padding:.7rem .9rem;border-bottom:2px solid var(--line);background:var(--paper-2)}
.art-table td{padding:.75rem .9rem;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:top}
.art-table tr:hover td{background:var(--paper-2)}
.art-table td b{color:var(--ink)}

/* figure / chart */
.fig{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;margin:2rem 0}
.fig-cap{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;color:var(--ink-dim);margin-top:1rem;text-align:center}
.bars{display:flex;flex-direction:column;gap:.7rem}
.bar-row{display:grid;grid-template-columns:130px 1fr 48px;gap:.9rem;align-items:center;font-size:.82rem}
.bar-row .bl{font-family:var(--mono);font-size:.72rem;color:var(--ink-soft);text-align:right}
.bar-track{height:22px;background:var(--paper-3);border-radius:3px;overflow:hidden}
.bar-fill{height:100%;background:var(--pine);border-radius:3px;transition:width 1s cubic-bezier(.4,0,.2,1)}
.bar-fill.b2{background:var(--brass)}
.bar-row .bv{font-family:var(--mono);font-size:.74rem;font-weight:600;color:var(--pine)}

/* footnotes / key takeaways */
.keybox{background:var(--pine);color:var(--on-pine);border-radius:var(--radius);padding:1.8rem 2rem;margin:2.4rem 0}
.keybox .ct{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brass-soft);margin-bottom:1rem}
.keybox ul{list-style:none;padding:0}
.keybox li{display:flex;gap:.8rem;align-items:baseline;margin-bottom:.7rem;color:var(--on-pine-dim);font-size:.95rem}
.keybox li::before{content:"—";color:var(--brass-soft);flex:none}
.keybox li b{color:var(--on-pine);font-weight:600}

.art-disclaimer{font-family:var(--mono);font-size:.72rem;line-height:1.7;letter-spacing:.02em;color:var(--ink-dim);border-top:1px solid var(--line);padding-top:1.4rem;margin-top:2.5rem}
.art-cite{font-family:var(--mono);font-size:.74rem;color:var(--ink-dim);background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.2rem;margin-top:1.4rem}
.art-cite b{color:var(--ink-soft)}

/* author + related */
.art-foot{border-top:1px solid var(--line);margin-top:3rem;padding-top:2.5rem}
.related{background:var(--paper-2);border-top:1px solid var(--line);padding:3.5rem 0}
.related h2{font-size:1.5rem;margin-bottom:1.8rem}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.rel-card{background:#FDFDF9;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;transition:transform .16s,box-shadow .16s}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.rel-card .rk{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-deep)}
.rel-card h3{font-size:1.05rem;margin:.6rem 0 .5rem}
.rel-card p{font-size:.84rem;color:var(--ink-dim)}

/* reading progress */
.progress{position:fixed;top:0;left:0;height:3px;background:var(--brass);width:0;z-index:150;transition:width .1s linear}

@media (max-width:900px){
  .foot-top{grid-template-columns:1fr 1fr}
  .jcta-in{grid-template-columns:1fr;gap:1.8rem}
  .jcta .actions{justify-content:flex-start}
  .rel-grid{grid-template-columns:1fr}
  .jtools{top:60px}
}
@media (max-width:760px){
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:.6rem 4%;box-shadow:0 24px 40px -24px rgba(16,29,23,.35)}
  .site-nav.open{display:flex}
  .site-nav a{padding:.85rem 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:flex}.head-cta{display:none}
  .foot-top{grid-template-columns:1fr}
  .paper{grid-template-columns:1fr;gap:.7rem}
  .paper .pcode{padding-top:0}
  .paper .pcta{flex-direction:row;align-items:center;justify-content:flex-start;gap:1.2rem}
  .art-lead::first-letter{font-size:2.8rem}
  .bar-row{grid-template-columns:92px 1fr 42px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}

/* ---- library additions: type toggle, separator, count, table wrap ---- */
.jtype{font-family:var(--mono,'IBM Plex Mono',monospace);font-size:.72rem;letter-spacing:.04em;
  padding:.42rem .8rem;border:1px solid var(--pine-line,rgba(23,59,45,.18));border-radius:999px;
  background:transparent;color:var(--pine,#173B2D);cursor:pointer;white-space:nowrap;transition:.15s}
.jtype:hover{border-color:var(--brass,#A5843C)}
.jtype[aria-pressed="true"]{background:var(--pine,#173B2D);color:var(--on-pine,#EDEFE2);border-color:var(--pine,#173B2D)}
.jsep{width:1px;height:22px;background:var(--pine-line,rgba(23,59,45,.18));display:inline-block;margin:0 .2rem}
.jcount{font-family:var(--mono,'IBM Plex Mono',monospace);font-size:.72rem;color:var(--ink-soft,#5a6b62);
  margin-left:auto;white-space:nowrap;align-self:center}
.art-table-wrap{overflow-x:auto;margin:1.6rem 0;border:1px solid var(--pine-line,rgba(23,59,45,.14));border-radius:10px}
.art-table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:420px}
.art-table th,.art-table td{text-align:left;padding:.7rem 1rem;border-bottom:1px solid var(--pine-line,rgba(23,59,45,.1))}
.art-table thead th{font-family:var(--mono,'IBM Plex Mono',monospace);font-size:.7rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-soft,#5a6b62);background:var(--paper-2,#ECECE3)}
.art-table tbody tr:last-child td,.art-table tr:last-child td{border-bottom:none}
@media(max-width:760px){.jcount{margin-left:0;width:100%;order:99}}