/* ============================================================
   CFSBR C.A.S.E. — 1:1 port of the CCPM/AIBA design system
   Original: data-tenant="aiba" theme — petrol teal primary,
   Cormorant Garamond display + Inter body, white background.
   ============================================================ */

:root{
  /* exact theme tokens from the original (AIBA scope) */
  --background:#ffffff;                                   /* oklch(1 0 0) */
  --foreground:#1c2b46;                                   /* oklch(0.22 0.04 256) */
  --surface:#f6f9fa;                                      /* oklch(0.97 0.008 200) */
  --muted:#f6f9fa;
  --muted-foreground:#5c6a7e;                             /* oklch(0.48 0.025 256) */
  --primary:#1f6f74;                                      /* oklch(0.42 0.07 200) — petrol teal */
  --primary-hover:#175a5e;                                /* oklch(0.34 0.07 200) */
  --primary-foreground:#ffffff;
  --accent:#1f6f74;                                       /* keep accents inside CASE teal family */
  --warning:#e7f3f3;
  --warning-foreground:#1f6f74;
  --border:#e8edf0;                                       /* oklch(0.91 0.01 240) */
  --card:#ffffff;
  --radius:1rem;
  --font-display:"Source Serif 4",ui-serif,Georgia,Cambria,"Times New Roman",serif;
  --font-body:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-family:var(--font-body)}
body{
  background:var(--background);color:var(--foreground);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  line-height:1.5;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* ---------- prototype banner ---------- */
.proto-banner{
  position:relative;border-bottom:1px solid rgba(31,111,116,.14);
  background:rgba(31,111,116,.08);
  padding:8px 44px;text-align:center;
  font-size:13px;font-weight:500;color:var(--warning-foreground);
}
.proto-tag{
  display:inline-block;background:var(--warning);color:var(--warning-foreground);
  border-radius:4px;padding:2px 7px;margin-right:8px;
  font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
}
.proto-close{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  background:none;border:0;cursor:pointer;font-size:13px;
  color:rgba(31,111,116,.7);padding:4px;border-radius:4px;
}
.proto-close:hover{color:var(--warning-foreground)}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:40;
  border-bottom:1px solid var(--border);
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);
}
.header-inner{
  max-width:1152px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 32px;
}
.brand{display:flex;align-items:center;gap:14px;min-width:0;flex:1 1 auto}
.brand-logo{display:grid;place-items:center;width:48px;height:48px;flex:none}
.brand-logo img{max-height:100%;max-width:100%;object-fit:contain;border-radius:50%}
.brand-sep{width:1px;height:42px;background:var(--border)}
.brand-word{
  font-family:var(--font-display);font-weight:700;font-size:22px;
  letter-spacing:.04em;color:var(--foreground);font-weight:700;
}
.brand-stack{display:flex;flex-direction:column;align-items:flex-start;gap:2px;line-height:1.02}
.brand-main{display:block}
.brand-sub{display:block;font-family:var(--font-body);font-size:9px;font-weight:600;letter-spacing:.02em;text-transform:none;color:var(--foreground);opacity:.72;white-space:normal;max-width:240px}
.brand-word em{font-style:normal;color:var(--primary)}
.nav{display:flex;align-items:center;gap:32px}
.nav a{font-size:14px;font-weight:500;color:rgba(28,43,70,.8);transition:color .15s}
.nav a:hover{color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;font-weight:600;cursor:pointer;
  transition:background .15s,color .15s,border-color .15s;
  white-space:normal;
}
.btn-solid{background:var(--primary);color:var(--primary-foreground);padding:10px 20px;font-size:14px}
.btn-solid:hover{background:var(--primary-hover)}
.btn-solid.btn-sm{padding:8px 16px;font-size:14px}
.btn-outline{
  border:2px solid var(--primary);color:var(--primary);
  padding:8px 20px;font-size:14px;background:transparent;
}
.btn-outline:hover{background:var(--primary);color:var(--primary-foreground)}
.btn-white{
  background:#fff;color:var(--primary);padding:12px 24px;font-size:14px;
}
.btn-white:hover{background:rgba(255,255,255,.9)}

/* ---------- hero (original two-column branch with blank cover slot) ---------- */
.hero{padding:24px 20px 32px}
.hero-shell{max-width:56rem;margin:0 auto}
.hero-copy{min-width:0}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:4px 12px;
  font-size:10px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted-foreground);
}
.hero-meta b{font-weight:700}
.hero-meta .dot{color:var(--border)}
.hero-title{
  margin-top:12px;text-align:center;
  font-family:var(--font-display);font-weight:700;color:var(--primary);
  font-size:clamp(2.2rem,5vw,3.6rem);line-height:.95;letter-spacing:-.02em;font-weight:700;
}
.hero-seriesline{
  margin:16px auto 0;display:flex;align-items:center;gap:12px;max-width:28rem;
}
.hero-seriesline .rule{height:1px;flex:1;background:var(--foreground)}
.series-label{
  font-family:var(--font-display);font-size:12px;font-weight:700;
  letter-spacing:.3em;text-transform:uppercase;color:var(--foreground);
}
.mobile-only{display:block}
.hero-tagline{
  margin:16px auto 0;max-width:36rem;text-align:center;
  font-size:14px;line-height:1.7;color:rgba(28,43,70,.8);
}
.hero-ctas{
  margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
}
.hero-stats{
  margin:20px auto 0;max-width:36rem;
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--border);border-radius:12px;padding:10px 0;
  text-align:center;
}
.hstat{padding:0 12px}
.hstat + .hstat{border-left:1px solid var(--border)}
.hstat-n{font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--primary)}
.hstat-l{
  margin-top:2px;font-size:9px;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted-foreground);
}
.hero-cover-slot{display:flex;flex-direction:column;align-items:center}
.cover-placeholder{width:100%;max-width:280px;margin:0 auto}
.cover-placeholder-inner{
  position:relative;display:block;width:100%;aspect-ratio:3/4;
  overflow:hidden;border-radius:6px;border:2px solid rgba(31,111,116,.22);
  background:linear-gradient(180deg,#ffffff 0%, #f6f9fa 100%);
  box-shadow:0 18px 40px -20px rgba(0,0,0,.2);
}
.cover-placeholder-inner::before{
  content:"";position:absolute;inset:18px;
  border:1px dashed rgba(31,111,116,.28);border-radius:4px;
}
.cover-dots{margin-top:12px;display:flex;align-items:center;justify-content:center;gap:6px}
.cover-dot{height:6px;width:6px;border-radius:999px;background:rgba(92,106,126,.4)}
.cover-dot.active{width:20px;background:var(--primary)}
.cover-caption{
  margin-top:12px;text-align:center;
  font-size:10px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--muted-foreground);
}
.cover-caption span{color:var(--primary)}
@media(min-width:768px){
  .hero{padding:32px 32px 32px}
  .hero-shell{display:grid;align-items:center;gap:32px;grid-template-columns:1fr 240px}
  .hero-meta{justify-content:flex-start}
  .hero-title{text-align:left}
  .hero-seriesline{margin-left:0;margin-right:0;max-width:20rem}
  .hero-tagline{text-align:left;margin-left:0;margin-right:0}
  .hero-ctas{justify-content:flex-start}
  .hero-stats{margin-left:0;margin-right:0}
  .mobile-only{display:none}
}
@media(min-width:768px){.hstat-n{font-size:20px}}

/* ---------- publisher band ---------- */
.pubband{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface)}
.pubband-inner{
  max-width:64rem;margin:0 auto;padding:16px 20px;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.pub-side{display:flex;align-items:center;gap:12px}
.pub-logo{display:grid;place-items:center;width:48px;height:48px;flex:none}
.pub-logo img{max-height:100%;max-width:100%;object-fit:contain;border-radius:50%}
.pub-logo img[src*="crossref"]{border-radius:0}
.pub-logo .pubpub-mark{border-radius:0;max-height:44px;width:auto}
.pub-eyebrow{
  display:block;font-size:9px;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted-foreground);
}
.pub-name{
  display:block;font-family:var(--font-display);font-weight:700;
  font-size:13px;color:var(--foreground);line-height:1.25;margin-top:2px;
}
.pub-text.right{text-align:right}
.pub-mid{
  display:none;align-items:center;gap:8px;
  font-family:var(--font-display);font-size:10px;font-weight:600;
  letter-spacing:.24em;text-transform:uppercase;color:var(--muted-foreground);
}
.pub-mid .rule{width:24px;height:1px;background:var(--border)}
@media(min-width:640px){
  .pubband-inner{flex-direction:row;justify-content:space-between;gap:24px}
}
@media(min-width:768px){.pub-mid{display:flex}}

/* ---------- marquee ---------- */
.marquee{border-bottom:1px solid var(--border);background:var(--background);padding:12px 0;overflow:hidden}
.marquee-track{
  display:flex;width:max-content;align-items:center;gap:20px;white-space:nowrap;
  animation:marquee 40s linear infinite;
}
.mq-item{
  display:flex;align-items:center;gap:20px;
  font-family:var(--font-display);font-size:12px;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;color:var(--foreground);
}
.mq-star{color:var(--accent);font-size:12px}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- trusted infrastructure band (from open.cfsbr.com) ---------- */
.trustband{
  border-bottom:1px solid var(--border);background:var(--background);
}
.trustband-inner{
  max-width:1152px;margin:0 auto;
  padding:28px 32px 32px;
  border:1px solid var(--border);border-top:0;
  border-radius:0 0 16px 16px;
}
.trust-head{
  display:flex;align-items:center;gap:16px;
  font-size:11px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted-foreground);
}
.trust-rule{height:1px;flex:1;background:var(--border)}
.trust-logos{
  margin-top:20px;display:grid;grid-template-columns:repeat(5,1fr);
  gap:20px;align-items:start;
}
.trust-item{display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-width:0}
.trust-item img{
  height:34px;width:auto;max-width:100%;object-fit:contain;
}
.trust-item figcaption{
  font-size:9px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted-foreground);
}
@media(max-width:900px){
  .trust-logos{grid-template-columns:repeat(3,1fr);gap:24px 20px}
}
@media(max-width:560px){
  .trustband-inner{padding:24px 20px 28px}
  .trust-logos{grid-template-columns:repeat(2,1fr)}
  .trust-item img{height:28px}
}

/* ---------- generic section ---------- */
.section{padding:64px 20px}
.section.surface{background:var(--surface)}
@media(min-width:768px){.section{padding:80px 32px}}
.narrow{max-width:48rem;margin:0 auto}
.narrow-5{max-width:64rem;margin:0 auto}
.center{text-align:center}
.center-head{text-align:center}
.eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--primary);
}
.h2{
  margin-top:8px;font-family:var(--font-display);font-weight:700;
  font-size:30px;line-height:1.2;color:var(--foreground);
}
@media(min-width:768px){.h2{font-size:36px}}
.headrule{margin:20px auto 0;height:1px;width:48px;background:var(--foreground)}
.lede{
  margin:20px auto 0;max-width:42rem;
  font-size:14px;line-height:1.7;color:var(--muted-foreground);
}
@media(min-width:768px){.lede{font-size:15px}}
.paras{
  margin-top:32px;text-align:left;
  font-size:15px;line-height:1.75;color:rgba(28,43,70,.8);
  display:flex;flex-direction:column;gap:16px;
}
@media(min-width:768px){.paras{font-size:16px}}
.mixline{
  margin:12px auto 0;max-width:42rem;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted-foreground);
}

/* ---------- scope ---------- */
.scope-grid{
  list-style:none;margin-top:40px;
  display:grid;gap:12px;
}
.scope-card{
  border:1px solid var(--border);background:var(--card);
  border-radius:12px;padding:20px;text-align:left;
}
.scope-num{font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--primary)}
.scope-title{
  margin-top:8px;font-family:var(--font-display);font-weight:700;
  font-size:16px;line-height:1.25;color:var(--foreground);
}
.scope-desc{
  margin-top:8px;font-size:12px;line-height:1.65;color:var(--muted-foreground);
}
@media(min-width:640px){.scope-grid{grid-template-columns:repeat(2,1fr)}.scope-desc{font-size:13px}}
@media(min-width:1024px){.scope-grid{grid-template-columns:repeat(3,1fr)}}

/* ---------- papers ---------- */
.wide{max-width:72rem;margin:0 auto}
.papers-head{
  margin-bottom:32px;display:flex;flex-direction:column;gap:12px;
}
.papers-head .h2{margin-top:8px}
.papers-head .eyebrow{display:block}
.papers-note{max-width:28rem;font-size:14px;color:var(--muted-foreground)}
@media(min-width:768px){
  .papers-head{flex-direction:row;align-items:flex-end;justify-content:space-between}
}
.stats-strip{
  margin-bottom:32px;display:grid;grid-template-columns:repeat(2,1fr);gap:8px;
  border:1px solid var(--border);border-radius:16px;
  background:var(--background);padding:16px;
}
.sstat{text-align:center}
.sstat-n{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--foreground)}
.sstat-l{
  margin-top:2px;font-size:10px;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:var(--muted-foreground);
}
@media(min-width:640px){.stats-strip{grid-template-columns:repeat(4,1fr)}.sstat-n{font-size:28px}}

/* featured paper */
.featured{
  display:block;overflow:hidden;border:1px solid var(--border);
  border-radius:16px;background:var(--card);
  box-shadow:0 2px 12px rgba(15,23,42,.04);
  transition:transform .18s ease,box-shadow .18s ease;
  margin-bottom:32px;
}
.featured:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(15,23,42,.10)}
@media(min-width:768px){
  .featured{display:grid;grid-template-columns:220px 1fr}
}
.feat-panel{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:24px;color:#fff;text-align:center;min-height:200px;
}
.feat-eyebrow{
  font-family:var(--font-mono);font-size:10px;font-weight:600;
  letter-spacing:.24em;text-transform:uppercase;opacity:.8;
}
.feat-num{
  margin-top:8px;font-family:var(--font-display);font-size:30px;
  font-weight:700;letter-spacing:-.02em;
}
.feat-issue{
  margin-top:8px;font-family:var(--font-mono);font-size:10px;
  letter-spacing:.1em;text-transform:uppercase;opacity:.8;
}
.feat-body{display:flex;flex-direction:column;gap:12px;padding:24px}
.chiprow{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.chip{
  border-radius:999px;border:1px solid;padding:2px 10px;
  font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
}
.chip-sky{background:#e0f2fe;color:#075985;border-color:#bae6fd}
.chip-violet{background:#ede9fe;color:#5b21b6;border-color:#ddd6fe}
.chip-emerald{background:#d1fae5;color:#065f46;border-color:#a7f3d0}
.chip-amber{background:#fef3c7;color:#78350f;border-color:#fcd34d}
.chip-pick{background:#fef3c7;color:#78350f;border-color:#fcd34d}
.meta-mini{font-size:11px;color:var(--muted-foreground)}
.feat-title{
  font-family:var(--font-display);font-weight:700;line-height:1.25;
  font-size:20px;color:var(--foreground);
}
.featured:hover .feat-title{color:var(--primary)}
@media(min-width:768px){.feat-title{font-size:24px}}
.feat-abstract{font-size:14px;line-height:1.7;color:var(--muted-foreground)}
.feat-foot{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:8px;
  border-top:1px solid var(--border);padding-top:12px;font-size:12px;
}
.feat-authors{font-weight:600;color:var(--foreground)}
.feat-meta{display:flex;align-items:center;gap:12px;color:var(--muted-foreground)}
.read-link{font-weight:600;color:var(--primary)}
.read-link:hover{color:var(--primary-hover)}
.divider{height:1px;width:100%;background:var(--border)}

/* paper cards */
.paper-grid{
  margin-top:32px;display:grid;gap:20px;
}
.pcard{
  display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--border);border-radius:16px;background:var(--card);
  box-shadow:0 2px 12px rgba(15,23,42,.04);
  transition:transform .18s ease,box-shadow .18s ease;
}
.pcard:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(15,23,42,.10)}
.pcard-top{
  height:64px;display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;color:#fff;
}
.pcard-top span{
  font-family:var(--font-display);font-size:14px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;
}
.grad-sky{background:linear-gradient(135deg,#38bdf8,var(--primary))}
.grad-violet{background:linear-gradient(135deg,#a78bfa,var(--primary))}
.grad-emerald{background:linear-gradient(135deg,#34d399,var(--primary))}
.grad-amber{background:linear-gradient(135deg,#fbbf24,var(--primary))}
.grad-indigo{background:linear-gradient(135deg,#818cf8,var(--primary))}
.grad-cyan{background:linear-gradient(135deg,#22d3ee,var(--primary))}
.grad-violet2{background:linear-gradient(135deg,#a78bfa,var(--primary))}
.pcard-body{display:flex;flex:1;flex-direction:column;gap:12px;padding:20px}
.pcard-title{
  font-family:var(--font-display);font-weight:700;font-size:16px;
  line-height:1.35;color:var(--foreground);
}
.pcard-abstract{font-size:14px;line-height:1.65;color:var(--muted-foreground)}
.pcard-foot{
  margin-top:auto;border-top:1px solid var(--border);padding-top:12px;
  display:flex;flex-direction:column;gap:10px;font-size:12px;
}
.prow{display:flex;align-items:center;justify-content:space-between;gap:8px}
.pauthors{font-weight:600;color:var(--foreground);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pcount{
  flex:none;border-radius:999px;background:var(--surface);
  padding:2px 8px;font-family:var(--font-mono);font-size:10px;color:var(--muted-foreground);
}
.pdoi{
  font-family:var(--font-mono);font-size:10px;color:var(--muted-foreground);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.prow-dim{font-size:10px;color:var(--muted-foreground)}
.plic{
  border-radius:4px;background:var(--surface);padding:2px 6px;
  font-family:var(--font-mono);font-size:9px;letter-spacing:.06em;text-transform:uppercase;
}
@media(min-width:640px){.paper-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.paper-grid{grid-template-columns:repeat(3,1fr)}}

/* ---------- editorial board ---------- */
.board-grid{
  margin:40px auto 0;max-width:48rem;
  display:grid;gap:16px;grid-template-columns:repeat(2,1fr);
}
.board-card{
  overflow:hidden;border:1px solid var(--border);border-radius:12px;
  background:var(--card);transition:border-color .15s;
}
.board-card:hover{border-color:rgba(31,111,116,.4)}
.board-avatar{
  aspect-ratio:3/2;display:grid;place-items:center;color:rgba(255,255,255,.95);
}
.board-avatar span{font-family:var(--font-display);font-size:24px;font-weight:700}
.board-info{padding:12px;text-align:center}
.board-info h3{
  font-family:var(--font-display);font-size:14px;font-weight:700;
  line-height:1.25;color:var(--foreground);
}
.board-info p{margin-top:2px;font-size:11px;color:var(--muted-foreground)}
@media(min-width:1024px){.board-grid{grid-template-columns:repeat(4,1fr)}}

/* ---------- workflow ---------- */
.flow-grid{list-style:none;margin-top:40px;display:grid;gap:12px}
.flow-card{
  position:relative;overflow:hidden;
  border:1px solid var(--border);border-radius:12px;
  background:var(--card);padding:20px 18px 24px;text-align:left;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.flow-card:hover{
  transform:translateY(-3px);
  box-shadow:0 10px 28px rgba(15,23,42,.08);
  border-color:rgba(31,111,116,.35);
}
.flow-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;
  background:var(--primary);color:#fff;
  font-family:var(--font-display);font-size:15px;font-weight:700;
}
.flow-step{
  margin-top:14px;font-family:var(--font-mono);font-size:9px;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--muted-foreground);
}
.flow-label{
  margin-top:6px;font-family:var(--font-display);font-weight:700;
  font-size:15px;color:var(--foreground);line-height:1.3;
}
.flow-desc{margin-top:8px;font-size:12px;line-height:1.65;color:var(--muted-foreground)}
.flow-bar{
  position:absolute;left:0;bottom:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--primary),rgba(31,111,116,.25));
  transform:scaleX(.18);transform-origin:left;
  transition:transform .25s ease;
}
.flow-card:hover .flow-bar{transform:scaleX(1)}
@media(min-width:640px){.flow-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.flow-grid{grid-template-columns:repeat(5,1fr)}}
.doi-line{
  margin:32px auto 0;max-width:42rem;text-align:center;
  font-family:var(--font-mono);font-size:11px;color:var(--muted-foreground);
}

/* ---------- submit CTA ---------- */
.cta-box{
  overflow:hidden;border-radius:16px;text-align:center;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-hover));
  padding:48px 32px;
}
@media(min-width:768px){.cta-box{padding:56px 48px}}
.cta-eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;opacity:.8;
}
.cta-title{
  margin:12px auto 0;max-width:42rem;
  font-family:var(--font-display);font-weight:700;line-height:1.2;
  font-size:24px;
}
@media(min-width:768px){.cta-title{font-size:30px}}
@media(min-width:1024px){.cta-title{font-size:36px}}
.cta-copy{
  margin:16px auto 0;max-width:36rem;font-size:14px;opacity:.9;
}
@media(min-width:768px){.cta-copy{font-size:15px}}
.cta-box .btn{margin-top:28px}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--border);background:var(--surface);padding:56px 20px 0}
@media(min-width:768px){.footer{padding:56px 32px 0}}
.footer-inner{max-width:80rem;margin:0 auto}
.coop-panel{
  border:1px solid var(--border);border-radius:16px;
  background:var(--background);padding:24px;
}
@media(min-width:768px){.coop-panel{padding:32px}}
.coop-eyebrow{
  text-align:center;font-family:var(--font-display);font-size:10px;
  font-weight:600;letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted-foreground);
}
.coop-grid{
  margin-top:20px;display:grid;gap:24px;align-items:center;
}
.coop-unit{display:flex;align-items:center;gap:12px}
.coop-name{font-family:var(--font-display);font-size:12px;font-weight:700;color:var(--foreground);line-height:1.25}
.coop-role{font-size:10px;color:var(--muted-foreground)}
@media(min-width:640px){.coop-grid{grid-template-columns:repeat(3,1fr)}}

.foot-grid{
  margin-top:40px;display:grid;gap:40px;
}
@media(min-width:768px){.foot-grid{grid-template-columns:repeat(3,1fr)}}
.foot-brand{display:flex;align-items:center;gap:10px}
.pub-logo.sm{width:40px;height:40px}
.foot-sub{
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-foreground);
}
.foot-blurb{margin-top:16px;max-width:20rem;font-size:14px;color:var(--muted-foreground)}
.foot-mono{
  margin-top:12px;font-family:var(--font-mono);font-size:11px;color:var(--muted-foreground);
}
.foot-h{
  font-size:11px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--foreground);
}
.foot-list{
  list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:8px;
  font-size:14px;color:var(--muted-foreground);
}
.foot-list a:hover{color:var(--primary)}
.foot-chips{margin-top:20px;display:flex;flex-wrap:wrap;gap:6px}
.foot-chips span{
  border-radius:4px;background:var(--surface);padding:2px 6px;
  font-family:var(--font-mono);font-size:9px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--muted-foreground);
  border:1px solid var(--border);
}
.foot-base{
  margin-top:48px;padding:24px 0;
  border-top:1px solid var(--border);
  display:flex;flex-direction:column;align-items:center;gap:12px;
  font-size:12px;color:var(--muted-foreground);
}
@media(min-width:768px){.foot-base{flex-direction:row;justify-content:space-between}}

/* ---------- nav toggle (mobile) ---------- */
.nav-toggle{
  display:none;flex-direction:column;gap:5px;
  background:none;border:0;cursor:pointer;padding:8px;
}
.nav-toggle span{width:22px;height:2px;background:var(--foreground);border-radius:2px}

@media(max-width:1023px){
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:var(--background);border-bottom:1px solid var(--border);
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 24px 16px;
  }
  .nav.open{display:flex}
  .nav a{padding:10px 0;font-size:15px}
  .nav-toggle{display:flex}
}

@media(max-width:640px){
  .header-inner{padding:10px 20px}
  .brand-word{display:none}
  .brand-sep{display:none}
  .hero{padding:40px 16px 32px}
  .hero-stats{max-width:100%}
  .section{padding:56px 16px}
  .pub-text.right{text-align:left}
  .pub-right{flex-direction:row}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .marquee-track{animation:none}
  .featured,.pcard,.btn{transition:none}
}

.pub-logo img{display:block;max-width:100%;height:auto}
.coop-unit .pub-logo img{max-height:52px;width:auto}
.coop-unit:nth-child(2) .pub-logo img{max-height:34px}
.coop-unit:nth-child(3) .pub-logo img{max-height:44px}

/* Knowledge Futures and footer refinement */
.trust-logos{grid-template-columns:repeat(auto-fit,minmax(132px,1fr));align-items:end}
.trust-item-kf img{height:22px;width:auto;max-width:100%;object-fit:contain}
.trust-item figcaption{font-size:11px;font-weight:600;color:var(--foreground);opacity:.78}
.pub-eyebrow{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--primary)}
.pub-name{font-size:18px;font-weight:700;color:var(--foreground);letter-spacing:0}
.pub-role,.coop-role,.foot-sub,.foot-mono,.foot-note{color:var(--foreground);opacity:.8}
.pub-mid{color:var(--foreground);opacity:.88}
.foot-grid-expanded{grid-template-columns:1.05fr 1.2fr 1fr}
.foot-note{margin:8px 0 14px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.foot-directory li,.foot-contact li{display:flex;flex-direction:column;gap:4px;padding:10px 0;border-bottom:1px solid rgba(232,237,240,.9)}
.foot-directory li:last-child,.foot-contact li:last-child{border-bottom:none}
.foot-directory span,.foot-label{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--foreground);opacity:.72}
.foot-directory a,.foot-contact a,.foot-contact strong{font-size:15px;font-weight:600;color:var(--foreground)}
.foot-contact a{display:block;width:fit-content}
.foot-base{row-gap:10px}
.coop-unit:nth-child(3) .pub-logo{background:transparent;border-color:transparent;box-shadow:none;padding:0}
.coop-unit:nth-child(3) .pub-logo img{border-radius:0;max-height:42px}
@media (max-width: 767px){
  .foot-grid-expanded{grid-template-columns:1fr}
  .trust-logos{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* Final wording and emphasis polish */
.trust-item figcaption strong{display:block;font-size:12px;font-weight:700;color:var(--foreground);line-height:1.2}
.trust-item figcaption span{display:block;margin-top:2px;font-size:11px;font-weight:600;color:var(--foreground);opacity:.72;line-height:1.35}
.trust-item-kf{justify-content:flex-end}
.lede-emphasis{position:relative;padding:22px 24px;border:1px solid rgba(31,111,116,.14);border-radius:20px;background:linear-gradient(180deg,rgba(31,111,116,.06),rgba(31,111,116,.02));box-shadow:0 18px 44px rgba(20,32,54,.05)}
.lede-kicker{display:block;margin-bottom:10px;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary)}
.lede-emphasis strong{font-weight:700;color:var(--foreground)}
@media (max-width: 767px){.lede-emphasis{padding:18px 18px;border-radius:18px}}

@media (max-width: 1180px){
  .brand-sub{font-size:9px;letter-spacing:.02em}
}

/* GitHub inside trusted infrastructure strip */
.trust-item-github img{height:26px;width:auto;max-width:100%;object-fit:contain;border-radius:0}