/* ==========================================================================
   INFERA Labs — site stylesheet
   Palette derived from the logo: navy #23395E, teal #84A8A8
   ========================================================================== */

:root{
  /* light theme */
  --bg:#F7F8FA; --bg-alt:#EDF1F5; --surface:#FFFFFF; --surface-2:#F2F5F8;
  --ink:#16202E; --ink-2:#4C5B6B; --ink-3:#6F7F8F;
  --line:#DCE3EA; --line-2:#C6D1DB;
  --navy:#23395E; --accent:#26696B; --accent-strong:#1B5052; --tint:#84A8A8;
  --focus:#26696B;
  --shadow-sm:0 1px 2px rgba(22,32,46,.05), 0 2px 8px rgba(22,32,46,.04);
  --shadow-md:0 2px 6px rgba(22,32,46,.06), 0 12px 28px rgba(22,32,46,.07);

  --font-display:"Source Serif 4",Georgia,"Times New Roman",serif;
  --font-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1160px; --gut:clamp(1.25rem,4vw,2.5rem);
  --r-sm:8px; --r-md:12px; --r-lg:18px;
  --header-h:76px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0C1219; --bg-alt:#111A23; --surface:#16212C; --surface-2:#1B2833;
    --ink:#E9EFF5; --ink-2:#A5B5C3; --ink-3:#7E90A0;
    --line:#223140; --line-2:#2E4051;
    --navy:#9DB4D6; --accent:#6FC9C9; --accent-strong:#93DCDC; --tint:#5E8F8F;
    --focus:#6FC9C9;
    --shadow-sm:0 1px 2px rgba(0,0,0,.35), 0 2px 8px rgba(0,0,0,.25);
    --shadow-md:0 2px 6px rgba(0,0,0,.4), 0 12px 28px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"]{
  --bg:#0C1219; --bg-alt:#111A23; --surface:#16212C; --surface-2:#1B2833;
  --ink:#E9EFF5; --ink-2:#A5B5C3; --ink-3:#7E90A0;
  --line:#223140; --line-2:#2E4051;
  --navy:#9DB4D6; --accent:#6FC9C9; --accent-strong:#93DCDC; --tint:#5E8F8F;
  --focus:#6FC9C9;
  --shadow-sm:0 1px 2px rgba(0,0,0,.35), 0 2px 8px rgba(0,0,0,.25);
  --shadow-md:0 2px 6px rgba(0,0,0,.4), 0 12px 28px rgba(0,0,0,.3);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font-body); font-size:17px; line-height:1.7;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:3px}

h1,h2,h3,h4{font-family:var(--font-display);margin:0;font-weight:600;line-height:1.12;letter-spacing:-.015em;text-wrap:balance}
p{margin:0}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.eyebrow{
  font-family:var(--font-mono);font-size:.72rem;font-weight:500;letter-spacing:.15em;
  text-transform:uppercase;color:var(--accent);margin:0 0 1rem;
}
.lead{font-size:1.075rem;line-height:1.75;color:var(--ink-2);max-width:62ch}
.muted{color:var(--ink-2)}

/* skip link ------------------------------------------------------------- */
.skip{
  position:absolute;left:.75rem;top:-4rem;z-index:200;background:var(--accent);color:#fff;
  padding:.7rem 1.1rem;border-radius:var(--r-sm);font-size:.9rem;font-weight:500;transition:top .18s ease;
}
.skip:focus{top:.75rem}

/* header ---------------------------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:saturate(1.6) blur(10px);-webkit-backdrop-filter:saturate(1.6) blur(10px);
  border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{
  display:flex;align-items:center;gap:1.5rem;min-height:var(--header-h);
}
.brand{display:flex;align-items:center;flex:none;min-width:0}
.brand img{width:212px;height:auto;transition:width .2s ease}
.site-header.is-stuck .brand img{width:184px}
.logo-dark{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .logo-light{display:none}
  :root:not([data-theme="light"]) .logo-dark{display:block}
}
:root[data-theme="dark"] .logo-light{display:none}
:root[data-theme="dark"] .logo-dark{display:block}

.site-nav{display:flex;align-items:center;gap:.15rem;margin-left:auto;min-width:0}
.site-nav a{
  font-size:.82rem;font-weight:500;color:var(--ink-2);padding:.5rem .5rem;border-radius:var(--r-sm);
  white-space:nowrap;transition:color .16s ease,background-color .16s ease;
}
.site-nav a:hover{color:var(--ink);background:var(--surface-2)}
.site-nav a.is-active{color:var(--accent)}
.header-tools{display:flex;align-items:center;gap:.5rem;flex:none}
.lang{
  display:inline-flex;align-items:center;gap:.4rem;padding:.42rem .7rem;border-radius:999px;
  border:1px solid var(--line-2);font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-2);transition:border-color .16s ease,color .16s ease;
}
.lang:hover{border-color:var(--accent);color:var(--accent)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  background:none;border:1px solid var(--line-2);border-radius:var(--r-sm);color:var(--ink);cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle .ico-close{display:none}
.nav-toggle[aria-expanded="true"] .ico-open{display:none}
.nav-toggle[aria-expanded="true"] .ico-close{display:block}

/* buttons --------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:var(--r-sm);font-size:.95rem;font-weight:500;
  border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong)}
:root[data-theme="dark"] .btn-primary,
.btn-primary{color:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-primary{color:#08131A}}
:root[data-theme="dark"] .btn-primary{color:#08131A}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line-2)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}

/* hero ------------------------------------------------------------------ */
.hero{padding:clamp(3.5rem,7vw,6rem) 0 clamp(3rem,6vw,5rem);position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:auto -10% -60% 40%;height:70%;pointer-events:none;
  background:radial-gradient(ellipse at center,color-mix(in srgb,var(--tint) 26%,transparent),transparent 68%);
  opacity:.5;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.85fr);gap:clamp(2rem,5vw,4rem);align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(2.25rem,4.4vw,3.35rem);letter-spacing:-.028em;margin-bottom:1.25rem;max-width:21ch}
.hero .lead{font-size:clamp(1.05rem,1.8vw,1.2rem)}
.hero-support{margin-top:.9rem;font-size:.95rem;color:var(--ink-3);max-width:46ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}

.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:1.6rem 1.7rem;box-shadow:var(--shadow-md);
}
.panel h2{font-family:var(--font-mono);font-size:.72rem;font-weight:500;letter-spacing:.15em;
  text-transform:uppercase;color:var(--accent);margin-bottom:1.1rem}
.panel ul{list-style:none;margin:0;padding:0;display:grid;gap:.85rem}
.panel li{display:grid;grid-template-columns:auto 1fr;gap:.7rem;align-items:start;font-size:.97rem;line-height:1.55}
.panel li svg{width:17px;height:17px;color:var(--accent);margin-top:.28rem;flex:none}
.panel-note{margin-top:1.25rem;padding-top:1.15rem;border-top:1px solid var(--line);
  font-size:.9rem;line-height:1.65;color:var(--ink-3)}

/* sections -------------------------------------------------------------- */
.section{padding:clamp(3.5rem,7vw,5.5rem) 0}
.section-alt{background:var(--bg-alt)}
.section-surface{background:var(--surface)}
.section-head{max-width:60ch;margin-bottom:clamp(2rem,4vw,3rem)}
.section-head h2{font-size:clamp(1.95rem,4vw,2.85rem);margin-bottom:1rem}
.section-head p{color:var(--ink-2);font-size:1.05rem}

.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(2rem,5vw,4rem);align-items:start}
.split h2{font-size:clamp(1.95rem,4vw,2.85rem)}

/* cards ----------------------------------------------------------------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.1rem}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.6rem 1.65rem;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.section-surface .card{background:var(--surface-2)}
.card-icon{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;margin-bottom:1rem;
  background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);
}
.card-icon svg{width:19px;height:19px}
.card h3{font-family:var(--font-body);font-size:1.02rem;font-weight:600;line-height:1.4;margin-bottom:.6rem;letter-spacing:0}
.card p{font-size:.94rem;line-height:1.68;color:var(--ink-2)}
.card-wide{grid-column:1/-1}
.card-wide .card-body{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1.5rem;align-items:center}

/* sectors --------------------------------------------------------------- */
.sectors{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem}
.sector{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:1.1rem;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.6rem 1.65rem;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.sector:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.sector-n{
  font-family:var(--font-mono);font-size:.72rem;color:var(--accent);letter-spacing:.06em;
  padding-top:.28rem;
}
.sector h3{font-family:var(--font-body);font-size:1.06rem;font-weight:600;line-height:1.38;letter-spacing:0;margin-bottom:.55rem}
.sector-what{font-size:.94rem;line-height:1.66;color:var(--ink-2);margin-bottom:.8rem}
.sector-proof{
  font-family:var(--font-mono);font-size:.68rem;line-height:1.6;letter-spacing:.03em;
  color:var(--ink-3);padding-left:.7rem;border-left:2px solid var(--tint);margin-bottom:1rem;
}
.sector-cta{
  display:inline-flex;align-items:center;gap:.4rem;font-size:.9rem;font-weight:500;color:var(--accent);
  transition:gap .18s ease,color .18s ease;
}
.sector-cta:hover{gap:.65rem;color:var(--accent-strong)}

/* how we start ---------------------------------------------------------- */
.offer{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(1.75rem,4vw,2.75rem);box-shadow:var(--shadow-md);
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);
  gap:clamp(1.75rem,4vw,3rem);align-items:start;
}
.offer-label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem}
.offer h2{font-size:clamp(1.75rem,3.4vw,2.4rem);margin-bottom:1rem}
.offer-note{
  margin:1.1rem 0 1.5rem;padding-left:.9rem;border-left:2px solid var(--tint);
  font-size:.9rem;line-height:1.6;color:var(--ink-3);
}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.step{
  display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto;
  gap:.1rem .85rem;align-items:center;
  background:var(--bg-alt);border-radius:var(--r-sm);padding:.85rem 1rem;
}
.step-n{
  grid-row:1/3;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent);color:#fff;font-family:var(--font-mono);font-size:.72rem;font-weight:500;
}
.step:first-child .step-n{box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
.step-t{font-size:.97rem;font-weight:600;line-height:1.3}
.step-d{font-size:.85rem;color:var(--ink-3);line-height:1.4}
.steps-note{grid-column:2;font-size:.82rem;color:var(--ink-3);margin-top:.9rem;line-height:1.55}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .step-n{color:#08131A}}
:root[data-theme="dark"] .step-n{color:#08131A}

/* founders -------------------------------------------------------------- */
.founders{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(2rem,5vw,3.5rem)}
.founder{display:grid;grid-template-columns:minmax(140px,180px) minmax(0,1fr);gap:1.6rem;align-items:start}
.founder-photo{
  border-radius:var(--r-md);aspect-ratio:4/5;object-fit:cover;object-position:center 22%;
  width:100%;background:var(--surface-2);box-shadow:var(--shadow-sm);
}
.founder h3{font-size:1.5rem;margin-bottom:.25rem}
.founder .role{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);margin-bottom:.9rem;
}
.founder .bio{font-size:.94rem;line-height:1.72;color:var(--ink-2)}

/* training callout ------------------------------------------------------ */
.callout{
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(260px,.7fr);gap:clamp(1.5rem,4vw,3rem);
  align-items:center;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:clamp(1.75rem,4vw,2.75rem);box-shadow:var(--shadow-md);
}
.callout h2{font-size:clamp(1.6rem,3.2vw,2.2rem);margin-bottom:.85rem}
.callout p{color:var(--ink-2);font-size:1rem}
.callout-side{
  background:var(--bg-alt);border-radius:var(--r-md);padding:1.5rem;display:grid;gap:1rem;justify-items:start;
}
.callout-side .label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;color:var(--accent)}

/* contact --------------------------------------------------------------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(2rem,5vw,4rem);align-items:start}
.contact-direct{display:grid;gap:1rem;margin-top:1.75rem}
.contact-link{
  display:inline-flex;align-items:center;gap:.65rem;font-size:1.05rem;color:var(--accent);
  font-weight:500;word-break:break-word;
}
.contact-link svg{width:18px;height:18px;flex:none}
.contact-link:hover{color:var(--accent-strong);text-decoration:underline;text-underline-offset:3px}

.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(1.5rem,3vw,2rem);box-shadow:var(--shadow-md);display:grid;gap:1.05rem}
.field{display:grid;gap:.4rem}
.field label{font-size:.85rem;font-weight:500;color:var(--ink-2)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.97rem;color:var(--ink);background:var(--bg);
  border:1px solid var(--line-2);border-radius:var(--r-sm);padding:.72rem .85rem;width:100%;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.05rem}
.form-note{font-size:.82rem;color:var(--ink-3);line-height:1.55}
.form-status{font-size:.9rem;padding:.7rem .9rem;border-radius:var(--r-sm);display:none}
.form-status.is-visible{display:block}
.form-status.ok{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent-strong)}
.form-status.err{background:color-mix(in srgb,#C0362C 12%,transparent);color:#C0362C}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* footer ---------------------------------------------------------------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:3rem 0 2.5rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:2.5rem}
.footer-brand img{width:196px;margin-bottom:1rem}
.footer-brand p{font-size:.92rem;color:var(--ink-3);max-width:34ch;line-height:1.65}
.footer-col h4{font-family:var(--font-mono);font-size:.7rem;font-weight:500;letter-spacing:.15em;
  text-transform:uppercase;color:var(--ink-3);margin-bottom:.9rem}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer-col a{font-size:.92rem;color:var(--ink-2)}
.footer-col a:hover{color:var(--accent)}
.footer-base{
  margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;align-items:center;
  font-size:.85rem;color:var(--ink-3);
}
.footer-base .sep{margin-left:auto}

/* reveal ---------------------------------------------------------------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}
.js .reveal.is-in{opacity:1;transform:none}

/* responsive ------------------------------------------------------------ */
@media (max-width:1180px){
  .hero-grid{grid-template-columns:1fr;gap:2.5rem}
  .hero h1{max-width:24ch}
  .split,.contact-grid{grid-template-columns:1fr;gap:2rem}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .founders{grid-template-columns:1fr}
}
@media (max-width:1180px){
  .site-nav{
    position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
    padding:.5rem var(--gut) 1.25rem;margin:0;
    display:none;max-height:calc(100dvh - var(--header-h));overflow-y:auto;
  }
  .site-nav.is-open{display:flex}
  .site-nav a{padding:.85rem .25rem;border-bottom:1px solid var(--line);font-size:1rem}
  .site-nav a:last-child{border-bottom:0}
  .nav-toggle{display:inline-flex}
  .callout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:680px){
  body{font-size:16px}
  .grid-3,.grid-2,.sectors{grid-template-columns:1fr}
  .offer{grid-template-columns:1fr}
  .steps-note{grid-column:1}
  .founder{grid-template-columns:1fr;gap:1.1rem}
  .founder-photo{max-width:190px}
  .field-row{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .card-wide .card-body{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-base .sep{margin-left:0;width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .js .reveal{opacity:1;transform:none}
}

/* ---- credentials band -------------------------------------------------- */
.credband{background:var(--surface);border-block:1px solid var(--line);padding:clamp(1.75rem,3.5vw,2.5rem) 0}
.cred-label{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-bottom:1.35rem;
}
.cred-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem 2.5rem}
.cred{border-left:2px solid var(--tint);padding-left:1.1rem}
.cred h3{font-family:var(--font-body);font-size:1rem;font-weight:600;line-height:1.4;letter-spacing:0;margin-bottom:.35rem}
.cred p{font-size:.9rem;line-height:1.6;color:var(--ink-2)}

/* ---- research ---------------------------------------------------------- */
.research-grid{display:grid;grid-template-columns:minmax(240px,.72fr) minmax(0,1.28fr);gap:clamp(2rem,5vw,3.5rem);align-items:start}
.metrics{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:1.6rem;box-shadow:var(--shadow-md);display:grid;gap:1.15rem;
}
.metric{display:flex;align-items:baseline;gap:.7rem;padding-bottom:1.1rem;border-bottom:1px solid var(--line)}
.metric:nth-of-type(3){border-bottom:0;padding-bottom:0}
.mv{font-family:var(--font-display);font-size:1.95rem;font-weight:600;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
.ml{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.metrics-note{font-size:.8rem;color:var(--ink-3);margin-top:-.35rem}
.metrics .btn{width:100%}

.pubs-label{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:1rem;
}
.pubs{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.pub{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.1rem 1.25rem;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pub:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.pub-tag{
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);margin-bottom:.4rem;
}
.pub-title{font-size:.97rem;line-height:1.45;font-weight:500;margin-bottom:.25rem}
.pub-venue{font-size:.85rem;color:var(--ink-3)}
.legal-addr{font-size:.82rem}

@media (max-width:1080px){
  .research-grid{grid-template-columns:1fr}
  .offer{grid-template-columns:1fr}
  .steps-note{grid-column:1}
  .metrics{grid-template-columns:repeat(3,1fr) auto;align-items:center;gap:1.1rem 1.5rem}
  .metric{border-bottom:0;padding-bottom:0;flex-direction:column;gap:.15rem;align-items:flex-start}
  .metrics-note,.metrics .btn{grid-column:1/-1}
}
@media (max-width:680px){
  .cred-grid{grid-template-columns:1fr;gap:1.1rem}
  .metrics{grid-template-columns:repeat(3,1fr)}
  .mv{font-size:1.6rem}
}

/* ---- research figure ticker -------------------------------------------- */
.ticker-label{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);margin-top:.35rem;
}
.ticker{
  margin:1.1rem 0 1rem;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
}
.ticker-track{
  /* spacing lives on the tiles, not as flex gap: with `gap` the -50% translate
     is short by half a gap and the loop visibly jumps once per cycle */
  display:flex;align-items:flex-start;width:max-content;
  animation:ticker-scroll 32s linear infinite;
}
.ticker-copy{display:contents}
.ticker:hover .ticker-track,
.ticker:focus-within .ticker-track{animation-play-state:paused}
@keyframes ticker-scroll{
  /* four identical runs in the track, so one run is exactly -25% */
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(-25%,0,0)}
}
.tile{margin:0 1rem 0 0;width:max-content;max-width:340px}
.tile img{
  height:180px;width:auto;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-sm);
}
.tile figcaption{
  margin-top:.6rem;max-width:320px;font-size:.82rem;line-height:1.45;color:var(--ink-2);
}
.tile-paper{
  display:block;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--accent);margin-bottom:.2rem;
}
.ticker-credit{
  font-size:.8rem;line-height:1.6;color:var(--ink-3);max-width:74ch;margin-bottom:2.25rem;
}
.ticker-credit a{color:var(--ink-2);text-decoration:underline;text-underline-offset:2px}
.ticker-credit a:hover{color:var(--accent)}

/* the gap the ticker leaves behind the section head */
#research .section-head{margin-bottom:1.25rem}

@media (max-width:680px){
  .tile img{height:150px}
  .tile figcaption{font-size:.78rem}
}
@media (prefers-reduced-motion:reduce){
  /* no auto-scroll: hand control to the reader instead */
  .ticker{overflow-x:auto;-webkit-mask-image:none;mask-image:none;padding-bottom:.5rem}
  .ticker-track{animation:none;width:auto}
  .ticker-copy{display:none}
}

/* keep the enlarged logo from crowding the menu button on small screens */
@media (max-width:680px){
  .brand img,.site-header.is-stuck .brand img{width:166px}
  .header-tools{margin-left:auto}
}

/* ---- embedded method demo ---------------------------------------------- */
#demo .demo-note{
  margin:1.4rem 0 1.5rem;padding-left:.9rem;border-left:2px solid var(--tint);
  font-size:.86rem;line-height:1.65;color:var(--ink-3);max-width:76ch;
}
/* Reserve the height the demo will occupy once mounted. Without this the
   injected block pushes every later section down after the browser has
   already jumped to an anchor, so ?sector=...#contact landed on
   Fundadores. Measured at 1200/768/390px. */
#infera-demo{border-radius:var(--r-lg);overflow:hidden}
.js #infera-demo{min-height:1030px}
@media (max-width:900px){.js #infera-demo{min-height:1215px}}
@media (max-width:560px){.js #infera-demo{min-height:1790px}}