/* =========================================================================
   CATIGEN — Healthcare Infrastructure as an Investable System
   Design system. Institutional restraint (NBIM-inspired) + Catigen identity.
   Display: Newsreader (serif, gravitas). UI/Body: Archivo (grotesque).
   Signature: the "flow" — a thin wave drawn from the logo mark, representing
   capital + infrastructure resolving into clinical outcomes.
   ========================================================================= */

:root{
  --brand-navy:#2F3B73;
  --ink:#1B2347;
  --navy-deep:#181f44;
  --orange:#F2913C;
  --orange-deep:#E07B26;

  --paper:#ffffff;
  --cool:#F5F7FB;
  --mist:#EAEEF6;
  --line:#DCE2EE;
  --line-soft:#E8ECF4;
  --muted:#56607A;
  --muted-2:#8089A0;
  --on-dark:#EAEDF6;
  --on-dark-muted:#A6AECB;

  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Archivo","Helvetica Neue",Arial,sans-serif;

  --container:1240px;
  --gutter:clamp(20px,5vw,72px);
  --radius:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.7;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--brand-navy);color:#fff}

/* ---- type ------------------------------------------------------------- */
h1,h2,h3,h4{margin:0;font-weight:400;color:var(--ink);letter-spacing:-.01em}
.display{
  font-family:var(--serif);
  font-weight:430;
  line-height:1.04;
  letter-spacing:-.02em;
}
h1.display{font-size:clamp(2.7rem,5.6vw,5.1rem)}
h2.display{font-size:clamp(2rem,3.9vw,3.3rem);line-height:1.08}
h3{font-family:var(--sans);font-weight:600;font-size:1.18rem;letter-spacing:-.005em}
p{margin:0 0 1.1em}
.lede{font-size:clamp(1.15rem,1.7vw,1.4rem);line-height:1.55;color:var(--muted);font-weight:400}
.serif{font-family:var(--serif)}

.eyebrow{
  font-family:var(--sans);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--orange-deep);
  display:inline-flex;align-items:center;gap:.7em;
  margin:0 0 1.3rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--orange)}
.eyebrow.on-dark{color:var(--orange)}

.kicker{
  font-family:var(--sans);font-size:.72rem;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);
}

/* ---- layout ----------------------------------------------------------- */
.wrap{max-width:var(--container);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px,8vw,118px)}
.section--tight{padding-block:clamp(48px,6vw,84px)}
.section.cool{background:var(--cool)}
.section.mist{background:var(--mist)}
.section.dark{background:var(--navy-deep);color:var(--on-dark)}
.section.dark h1,.section.dark h2,.section.dark h3{color:#fff}
.section.dark .lede{color:var(--on-dark-muted)}
.section.navy{background:var(--brand-navy);color:var(--on-dark)}
.section.navy h2,.section.navy h3{color:#fff}
.rule{height:1px;background:var(--line);border:0;margin:0}

.cols{display:grid;gap:clamp(28px,4vw,64px)}
@media(min-width:860px){
  .cols-2{grid-template-columns:1fr 1fr}
  .cols-2-split{grid-template-columns:.92fr 1.08fr}
  .cols-12{grid-template-columns:5fr 7fr}
}
.grid{display:grid;gap:24px}
@media(min-width:680px){.grid-2{grid-template-columns:1fr 1fr}}
@media(min-width:860px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
@media(min-width:680px) and (max-width:859px){.grid-4{grid-template-columns:1fr 1fr}}

/* ---- buttons ---------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--sans);font-weight:600;font-size:.92rem;letter-spacing:.01em;
  padding:.86em 1.5em;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.btn svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--brand-navy);color:#fff}
.btn-primary:hover{background:var(--ink)}
.btn-orange{background:var(--orange);color:#23150a}
.btn-orange:hover{background:var(--orange-deep);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-navy);background:var(--paper)}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost.on-dark:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.arrow-link{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--sans);font-weight:600;font-size:.94rem;color:var(--brand-navy);
  border-bottom:1px solid transparent;padding-bottom:2px;width:fit-content;
  transition:border-color .25s,gap .25s var(--ease),color .25s;
}
.arrow-link svg{width:14px;height:14px;transition:transform .3s var(--ease)}
.arrow-link:hover{border-color:var(--orange);gap:.75em}
.arrow-link:hover svg{transform:translateX(3px)}
.arrow-link.on-dark{color:#fff}

/* ---- header / nav ----------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line-soft);
  transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 8px 30px -22px rgba(27,35,71,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;
  height:74px;max-width:1340px;margin:0 auto;padding-inline:clamp(18px,4vw,40px)}
.brand{display:flex;align-items:center}
.brand img{height:30px;width:auto}
.nav-links{display:flex;align-items:center;gap:clamp(14px,1.7vw,30px);list-style:none;margin:0;padding:0}
.nav-links a{font-family:var(--sans);font-weight:500;font-size:.93rem;color:var(--ink);
  position:relative;padding:6px 0;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--orange);transition:width .3s var(--ease)}
.nav-links a:hover{color:var(--brand-navy)}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:16px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;
  align-items:center;justify-content:center;padding:0}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);position:relative;transition:.3s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:24px;height:2px;background:var(--ink);transition:.3s}
.nav-toggle span::before{top:-7px}.nav-toggle span::after{top:7px}
body.menu-open .nav-toggle span{background:transparent}
body.menu-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
body.menu-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

@media(max-width:1080px){
  .nav-toggle{display:flex}
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:#fff}
  .nav-links{position:fixed;inset:74px 0 0 0;z-index:55;flex-direction:column;align-items:flex-start;
    gap:0;background:#fff;padding:18px var(--gutter) 28px;
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.3s var(--ease);
    overflow:auto;box-shadow:0 24px 48px -28px rgba(20,28,56,.35)}
  body.menu-open .nav-links{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{width:100%;padding:15px 0;border-bottom:1px solid var(--line-soft);font-size:1.05rem}
  .nav-links a::after{display:none}
  .nav-cta .btn{display:none}
}

/* ---- hero (home) ------------------------------------------------------ */
.hero{position:relative;overflow:hidden;background:var(--paper);
  padding-block:clamp(56px,8vw,104px)}
.hero-grid{display:grid;gap:clamp(34px,5vw,60px);align-items:center}
@media(min-width:940px){.hero-grid{grid-template-columns:1.05fr .95fr}}
.hero h1{margin-bottom:.5em}
.hero .lede{max-width:34ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:2rem}
.hero-meta{margin-top:2.6rem;display:flex;gap:clamp(24px,4vw,52px);flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:1.5rem}
.hero-meta .fig{font-family:var(--serif);font-size:clamp(1.8rem,3vw,2.5rem);color:var(--brand-navy);line-height:1}
.hero-meta .lab{font-size:.78rem;color:var(--muted);margin-top:.5rem;max-width:18ch;letter-spacing:.01em}

/* ---- the system stack (signature visual) ------------------------------ */
.stack{position:relative;border:1px solid var(--line);border-radius:8px;
  background:linear-gradient(180deg,#fff, #fbfcfe);padding:26px;overflow:hidden}
.stack-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:18px}
.stack-head .kicker{color:var(--muted-2)}
.stack-head b{font-family:var(--serif);font-weight:430;font-size:1.05rem;color:var(--ink)}
.layer{display:flex;align-items:center;gap:16px;padding:18px;border-radius:6px;
  border:1px solid var(--line-soft);background:#fff;margin-bottom:12px;position:relative;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.layer:hover{transform:translateY(-3px);box-shadow:0 18px 34px -26px rgba(27,35,71,.55)}
.layer .num{font-family:var(--serif);font-size:1.3rem;color:var(--orange-deep);min-width:1.4em}
.layer .ttl{font-weight:600;font-size:1rem;color:var(--ink)}
.layer .sub{font-size:.82rem;color:var(--muted);margin-top:2px}
.layer.l1{border-left:3px solid var(--brand-navy)}
.layer.l2{border-left:3px solid var(--orange)}
.layer.l3{border-left:3px solid #3a8f8c}
.stack-foot{display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--muted);
  margin-top:4px;padding-top:14px;border-top:1px dashed var(--line)}
.stack-foot .dot{width:7px;height:7px;border-radius:50%;background:#37b34a;box-shadow:0 0 0 3px rgba(55,179,74,.16)}

/* ---- flow / wave signature ------------------------------------------- */
.flow{display:block;width:100%;height:36px;color:var(--orange)}
.flow path{fill:none;stroke:currentColor;stroke-width:2}
.flow .w2{opacity:.45}
@media (prefers-reduced-motion:no-preference){
  .flow .anim{animation:flow 9s linear infinite}
  .flow .anim2{animation:flow 13s linear infinite}
}
@keyframes flow{from{transform:translateX(0)}to{transform:translateX(-240px)}}

/* ---- KPI band --------------------------------------------------------- */
.kpis{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
@media(min-width:640px){.kpis{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.kpis{grid-template-columns:repeat(4,1fr)}}
.kpi{background:#fff;padding:30px 26px}
.section.dark .kpi,.section.navy .kpi{background:transparent}
.kpis.on-dark{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.16)}
.kpi .fig{font-family:var(--serif);font-size:clamp(2.4rem,4vw,3.1rem);line-height:1;color:var(--brand-navy)}
.section.dark .kpi .fig,.section.navy .kpi .fig{color:#fff}
.kpi .fig em{font-style:normal;color:var(--orange);font-size:.6em;vertical-align:.18em;margin-left:.06em}
.kpi .lab{margin-top:.7rem;font-size:.82rem;color:var(--muted);letter-spacing:.01em;max-width:22ch}
.section.dark .kpi .lab,.section.navy .kpi .lab{color:var(--on-dark-muted)}

/* ---- cards ------------------------------------------------------------ */
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.card:hover{transform:translateY(-4px);box-shadow:0 26px 46px -34px rgba(27,35,71,.6);border-color:#cdd5e6}
.card .idx{font-family:var(--serif);font-size:.95rem;color:var(--orange-deep);letter-spacing:.04em}
.card h3{margin:.7rem 0 .55rem}
.card p{font-size:.95rem;color:var(--muted);margin-bottom:1rem}
.card ul{margin:0;padding-left:1.1em;color:var(--muted);font-size:.92rem;line-height:1.65}
.card.flat{background:var(--cool);border-color:transparent}
.card.pad-lg{padding:36px}

/* feature row (icon-led) */
.feature{display:flex;gap:18px}
.feature .mark{flex:none;width:46px;height:46px;border-radius:8px;display:grid;place-items:center;
  background:var(--mist);color:var(--brand-navy)}
.feature .mark svg{width:22px;height:22px}
.feature h3{margin-bottom:.3rem}
.feature p{font-size:.93rem;color:var(--muted);margin:0}

/* ---- pathways (audience entry) --------------------------------------- */
.pathways{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
@media(min-width:760px){.pathways{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1040px){.pathways{grid-template-columns:repeat(4,1fr)}}
.path{background:#fff;padding:30px 28px 26px;display:flex;flex-direction:column;min-height:230px;
  transition:background .3s}
.path:hover{background:var(--cool)}
.path .pk{font-family:var(--serif);font-size:1.35rem;color:var(--brand-navy);margin-bottom:.35rem}
.path p{font-size:.9rem;color:var(--muted);flex:1}
.path .arrow-link{margin-top:8px}

/* ---- interior page hero ----------------------------------------------- */
.page-hero{background:var(--navy-deep);color:var(--on-dark);position:relative;overflow:hidden;
  padding-block:clamp(56px,9vw,104px)}
.page-hero::after{content:"";position:absolute;right:-8%;top:-30%;width:60%;height:160%;
  background:radial-gradient(closest-side,rgba(242,145,60,.14),transparent 70%);pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{color:#fff;max-width:18ch;margin-bottom:.5rem}
.page-hero .lede{color:var(--on-dark-muted);max-width:58ch}
.crumb{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--on-dark-muted);margin-bottom:1.5rem}
.crumb a:hover{color:#fff}
.crumb span{color:var(--orange)}

/* ---- list / definition blocks ---------------------------------------- */
.deflist{display:grid;gap:0;border-top:1px solid var(--line)}
.def{display:grid;gap:6px 40px;padding:26px 0;border-bottom:1px solid var(--line);align-items:start}
@media(min-width:760px){.def{grid-template-columns:.8fr 1.2fr}}
.def h3{font-family:var(--serif);font-weight:430;font-size:1.5rem;color:var(--ink)}
.def p{margin:0;color:var(--muted);font-size:.97rem}
.def .kicker{margin-bottom:.4rem;display:block}

/* numbered process */
.steps{counter-reset:step;display:grid;gap:0;border-left:1px solid var(--line);margin-left:6px}
.step{position:relative;padding:0 0 36px 40px}
.step:last-child{padding-bottom:0}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:-15px;top:-4px;width:30px;height:30px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--brand-navy);
  font-family:var(--serif);font-size:.85rem;display:grid;place-items:center}
.step h3{margin-bottom:.35rem}
.step p{font-size:.94rem;color:var(--muted);margin:0}

/* ---- tables ----------------------------------------------------------- */
.tbl{width:100%;border-collapse:collapse;font-size:.93rem}
.tbl th,.tbl td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-family:var(--sans);font-weight:600;font-size:.74rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted-2)}
.tbl td{color:var(--muted)}
.tbl td strong{color:var(--ink);font-weight:600}
.tbl tr:hover td{background:var(--cool)}

/* ---- leadership ------------------------------------------------------- */
.leader{display:grid;gap:clamp(28px,4vw,52px);align-items:center}
@media(min-width:760px){.leader{grid-template-columns:.85fr 1.15fr}}
.leader-photo{border-radius:10px;overflow:hidden;border:1px solid var(--line);position:relative}
.leader-photo::after{content:"";position:absolute;inset:0;box-shadow:inset 0 -90px 80px -60px rgba(24,31,68,.5)}
.leader-photo img{width:100%}
.leader .role{color:var(--orange-deep)}
.leader blockquote{font-family:var(--serif);font-weight:430;font-size:clamp(1.3rem,2.2vw,1.7rem);
  line-height:1.4;color:var(--ink);margin:0 0 1.2rem;letter-spacing:-.01em}

/* ---- insight cards ---------------------------------------------------- */
.insight{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:8px;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.insight:hover{transform:translateY(-4px);box-shadow:0 26px 46px -34px rgba(27,35,71,.6)}
.insight .top{padding:14px 22px;border-bottom:1px solid var(--line-soft);display:flex;justify-content:space-between;
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.insight .top b{color:var(--orange-deep);font-weight:600}
.insight .body{padding:24px 22px 26px;flex:1;display:flex;flex-direction:column}
.insight h3{font-family:var(--serif);font-weight:430;font-size:1.35rem;line-height:1.2;margin-bottom:.6rem}
.insight p{font-size:.92rem;color:var(--muted);flex:1}

/* ---- callout / CTA strip --------------------------------------------- */
.cta-band{background:var(--brand-navy);color:#fff;border-radius:12px;padding:clamp(34px,5vw,60px);
  display:grid;gap:24px;align-items:center;position:relative;overflow:hidden}
@media(min-width:820px){.cta-band{grid-template-columns:1.4fr auto}}
.cta-band::before{content:"";position:absolute;right:-6%;bottom:-40%;width:42%;height:160%;
  background:radial-gradient(closest-side,rgba(242,145,60,.28),transparent 70%)}
.cta-band h2{color:#fff;position:relative}
.cta-band p{color:var(--on-dark-muted);margin:.6rem 0 0;position:relative;max-width:52ch}
.cta-band .acts{display:flex;gap:14px;flex-wrap:wrap;position:relative}

/* ---- forms ------------------------------------------------------------ */
.field{margin-bottom:18px}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--ink);margin-bottom:7px;letter-spacing:.01em}
.field input,.field select,.field textarea{width:100%;font-family:var(--sans);font-size:.97rem;
  padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--ink);
  transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-navy);
  box-shadow:0 0 0 3px rgba(47,59,115,.12)}
.form-note{font-size:.82rem;color:var(--muted-2);margin-top:6px}

/* ---- chips / tags ----------------------------------------------------- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:.78rem;font-weight:500;color:var(--brand-navy);background:var(--mist);
  border:1px solid var(--line);border-radius:100px;padding:6px 13px}

/* ---- footer ----------------------------------------------------------- */
.site-footer{background:var(--navy-deep);color:var(--on-dark-muted);padding-block:clamp(54px,7vw,80px) 36px}
.footer-top{display:grid;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
@media(min-width:880px){.footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-brand img{height:30px;margin-bottom:18px}
.footer-brand p{font-size:.92rem;color:var(--on-dark-muted);max-width:34ch}
.footer-col h4{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col a{font-size:.92rem;color:var(--on-dark-muted);transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  padding-top:26px;font-size:.82rem;color:var(--on-dark-muted)}
.footer-bottom .legal{display:flex;gap:22px;flex-wrap:wrap}

/* ---- reveal animation ------------------------------------------------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- misc ------------------------------------------------------------- */
.maxch{max-width:62ch}
.mt-s{margin-top:1rem}.mt-m{margin-top:2rem}.mt-l{margin-top:3rem}
.mb-0{margin-bottom:0}
.center{text-align:center}
.center .eyebrow{justify-content:center}
.lead-grid{display:grid;gap:clamp(28px,4vw,56px)}
@media(min-width:860px){.lead-grid{grid-template-columns:1fr 1.3fr;align-items:start}}
.sticky-h{position:sticky;top:104px}
@media(max-width:859px){.sticky-h{position:static}}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}