:root{
  --forem:#058340; --forem-lit:#12b95f;
  --hmt:#007934;  --hmt-lit:#14a851;
  --mti:#b22a2d;  --mti-lit:#e8564a;
  --mtl:#001e61;  --mtl-lit:#4a79f5;
  --ml:#003e52;   --ml-lit:#17a6c9;
  --introid:#8fb33e; --introid-lit:#a9d24b; --introid-2:#12548a;
  --bioana:#31baa3; --bioana-lit:#41d9be;

  --void:#04060a;
  --paper:#f5f6f4;
  --ink:#0d120f;
  --ink-2:#4d5854;
  --rule:#cfd4cf;

  --sans:"Archivo","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{overflow-x:hidden}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.55;
  font-variation-settings:"wdth" 100;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.022em;line-height:1.04}
p{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--forem-lit);outline-offset:3px}

/* ---------- masthead ---------- */






/* ---------- menú y hero ---------- */
:root{ --forem:#058340; --forem-lit:#12b95f; }
.header{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:84px;padding:0 clamp(18px,5vw,56px);
  background:var(--void);
}
.header a{text-decoration:none}
[id]{scroll-margin-top:84px}
.brand{display:flex;align-items:center;flex:none}
.official-logo{display:block;height:30px;width:auto;filter:brightness(0) invert(1)}
.nav{display:flex;align-items:center;gap:clamp(6px,.8vw,10px);margin-left:auto;font-size:14px}
.nav a{color:rgba(243,241,237,.68);white-space:nowrap;
  padding:9px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.14);
  transition:color .18s,background .18s,border-color .18s}
.nav a:hover,.nav a:focus-visible{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3)}
.nav-contact{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  font-size:13.5px;font-weight:600;color:#fff;
  padding:11px 22px;border-radius:999px;
  background:var(--forem);transition:background .18s;
}
.nav-contact:hover{background:#046c35}
.menu-button{display:none}
.nav .mobile-contact{display:none}

/* hero */
.hero{
  position:relative;isolation:isolate;overflow:hidden;background:var(--void);color:#f3f1ed;
  min-height:min(calc(100svh - 84px),860px);
  display:grid;grid-template-columns:1.05fr .95fr;align-items:center;
}
.hero-grid{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:76px 76px;
  -webkit-mask-image:radial-gradient(120% 90% at 30% 40%,#000 25%,transparent 78%);
          mask-image:radial-gradient(120% 90% at 30% 40%,#000 25%,transparent 78%);
}
.hero-copy{position:relative;z-index:2;padding:clamp(56px,9vh,110px) 0 clamp(56px,9vh,110px) clamp(20px,5vw,56px)}
.eyebrow{
  display:flex;align-items:center;gap:12px;margin:0;
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  color:rgba(243,241,237,.6);
}
.eyebrow>span{width:7px;height:7px;background:var(--forem);flex:none}
.eyebrow.muted{color:var(--ink-2)}
.eyebrow.muted>span{background:var(--forem)}
.hero h1{
  margin:28px 0 24px;color:#f6f8f7;
  font-size:clamp(46px,6.6vw,104px);line-height:1.02;letter-spacing:-.05em;font-weight:700;
  font-variation-settings:"wdth" 80;
}
.hero h1 em{font-style:normal;color:var(--forem-lit)}
.hero-description{color:rgba(243,241,237,.66);font-size:clamp(15px,1.35vw,18px);line-height:1.62;max-width:46ch}
.primary-link{
  display:inline-flex;align-items:center;gap:10px;margin-top:34px;
  font-size:15px;font-weight:600;color:#fff;text-decoration:none;
  padding-bottom:6px;border-bottom:1.5px solid var(--forem);
  transition:gap .18s,border-color .18s;
}
.primary-link:hover{gap:16px;border-color:var(--forem-lit)}
.hero-art{position:relative;z-index:1;height:100%;min-height:420px}
.sculpture{width:100%;height:100%;display:block}
.atom-labels{position:absolute;inset:0;pointer-events:none;z-index:2}
.atom-labels b{
  position:absolute;transform:translate(14px,-50%);
  font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.09em;
  white-space:nowrap;opacity:0;transition:opacity .4s;
}
.atom-labels b.on{opacity:.82}
@media(max-width:1100px){.atom-labels{display:none}}
.art-cross{position:absolute;z-index:2;color:rgba(255,255,255,.18);font-size:15px;pointer-events:none}
.cross-one{top:14%;right:16%}
.cross-two{bottom:26%;right:9%}
.hero-bottom{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 clamp(20px,5vw,56px) 26px;
  font-size:13px;color:rgba(243,241,237,.5);
}
.scroll-link{display:inline-flex;align-items:center;gap:12px;color:inherit;text-decoration:none}
.scroll-link:hover{color:#fff}
.scroll-circle{
  width:34px;height:34px;border-radius:0;flex:none;
  border:1px solid rgba(255,255,255,.22);
  display:grid;place-items:center;font-size:14px;
}
.hero-location{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:rgba(243,241,237,.34)}

/* encabezado de sección: mismo patrón en toda la página */
.section-head{display:grid;gap:22px;margin-bottom:clamp(38px,5vw,64px)}
@media(min-width:900px){
  .section-head{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);column-gap:clamp(32px,5vw,90px);align-items:end}
  .section-head .eyebrow{grid-column:1/-1;margin-bottom:6px}
}
.section-head h2{
  margin:0;font-size:clamp(30px,4.4vw,56px);line-height:1.04;letter-spacing:-.035em;
  font-variation-settings:"wdth" 88;text-wrap:balance;
}
.section-head h2 span{opacity:.42}
.section-head p{margin:0;font-size:16.5px;line-height:1.65;max-width:68ch}
.on-dark{background:var(--void);color:#f3f1ed}
.on-dark .section-head h2{color:#fff}
.on-dark .section-head p{color:rgba(243,241,237,.6)}
.on-light .section-head h2{color:var(--ink)}
.on-light .section-head p{color:var(--ink-2)}

/* el ritmo horizontal de la página: mismo margen que el menú, el hero y el listón */
.section-pad{padding:clamp(64px,8vw,116px) clamp(20px,5vw,56px)}

/* listón de empresas */
.company-ribbon{
  display:grid;grid-template-columns:repeat(6,1fr);align-items:center;gap:22px;
  padding:30px clamp(20px,5vw,56px);
  background:var(--void);
  border-block:1px solid rgba(255,255,255,.1);
}
.ribbon-brand{
  text-align:center;text-decoration:none;
  color:rgba(243,241,237,.58);
  font-size:clamp(13px,1.35vw,20px);font-weight:700;letter-spacing:-.02em;line-height:1.05;
  transition:color .2s;
}
.ribbon-brand:hover{color:#fff}
.ribbon-brand small{display:block;font-size:.5em;letter-spacing:.12em;font-weight:500;opacity:.66;margin-top:3px}

/* 01 / el grupo */
.intro{background:var(--void);color:#f3f1ed}
.intro h2{margin:20px 0 0;color:#fff;font-size:clamp(30px,4.4vw,56px);line-height:1.04;letter-spacing:-.035em;font-variation-settings:"wdth" 88}
.intro h2 span{color:rgba(243,241,237,.42)}
.intro-top{display:grid;gap:26px}
@media(min-width:900px){.intro-top{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);column-gap:clamp(32px,5vw,90px);align-items:end}.intro-top .eyebrow{grid-column:1/-1;margin-bottom:6px}}
.intro-description{color:rgba(243,241,237,.6);font-size:16.5px;line-height:1.65;max-width:52ch;margin:0}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:clamp(44px,7vw,80px);padding-top:32px;
  border-top:1px solid rgba(255,255,255,.14);
}
.stats>div{display:flex;flex-direction:column;gap:8px;padding-left:24px;border-left:1px solid rgba(255,255,255,.12)}
.stats>div:first-child{padding-left:0;border-left:0}
.stats strong{font-family:var(--mono);font-weight:500;font-size:clamp(26px,3.4vw,42px);color:#fff;letter-spacing:-.03em;line-height:1}
.stats span{font-size:13px;color:rgba(243,241,237,.5);max-width:20ch}

.reading-progress{position:fixed;top:0;left:0;right:0;height:2px;background:var(--forem);
  transform:scaleX(0);transform-origin:0 50%;z-index:60}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:70;background:#fff;color:#000;padding:8px 14px}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.visible{opacity:1;transform:none}
#film{border-top:1px solid rgba(255,255,255,.08)}

@media(max-width:900px){
  .hero{grid-template-columns:1fr;min-height:auto}
  .hero-copy{padding-bottom:12px}
  .hero-art{min-height:340px;order:2}
  .hero-bottom{position:static;padding:22px clamp(20px,5vw,56px) 30px}
  .company-ribbon{grid-template-columns:repeat(3,1fr);gap:20px 12px}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px 16px}
  .stats>div:nth-child(3){padding-left:0;border-left:0}
}
@media(max-width:760px){
  .menu-button{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:42px;height:42px;padding:0;background:none;border:0;cursor:pointer;flex:none;
  }
  .menu-button span{display:block;width:21px;height:1.5px;background:#fff;margin:0 auto;transition:transform .25s,opacity .25s}
  .menu-button[aria-expanded="true"] span:first-child{transform:translateY(3.2px) rotate(45deg)}
  .menu-button[aria-expanded="true"] span:last-child{transform:translateY(-3.2px) rotate(-45deg)}
  .nav{
    position:absolute;top:84px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:20px;
    padding:24px clamp(18px,5vw,56px) 30px;margin:0;
    background:rgba(8,11,15,.98);border-bottom:1px solid rgba(255,255,255,.12);
    display:none;font-size:16px;
  }
  .nav.open{display:flex}
  .nav .mobile-contact{display:inline-block}
  .nav-contact{display:none}
  .hero-bottom{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}



/* ---------- ecosistema ---------- */
.eco{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule)}
@media(min-width:760px){.eco{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1180px){.eco{grid-template-columns:repeat(3,1fr)}}
.eco-co{background:var(--paper);padding:26px 24px 28px;display:flex;flex-direction:column;gap:12px}
.eco-h{display:flex;align-items:baseline;gap:10px;border-top:3px solid var(--c);padding-top:14px;margin-top:-4px}
.eco-h h3{margin:0;font-size:18px;font-weight:700;letter-spacing:-.015em;line-height:1.15}
.eco-h em{margin-left:auto;font-style:normal;font-family:var(--mono);font-size:11px;color:var(--ink-2)}
.eco-co>p{margin:0;font-size:14.5px;line-height:1.6;color:var(--ink-2)}
.eco-link{
  align-self:flex-start;margin-top:10px;display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;border:1px solid var(--c);
  color:var(--ink);font-size:13.5px;font-weight:600;text-decoration:none;
  transition:background .18s,color .18s;
}
.eco-link:hover,.eco-link:focus-visible{background:var(--c);color:#fff}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:auto 0 0;padding:10px 0 0}
.tags li{
  font-family:var(--mono);font-size:11px;letter-spacing:.02em;
  padding:5px 9px;color:var(--ink-2);
  background:rgba(0,0,0,.035);box-shadow:inset 0 0 0 1px var(--rule);
}

/* ---------- ubicaciones ---------- */
.ubica-grid{display:grid;gap:clamp(28px,4vw,56px)}
@media(min-width:960px){
  /* lista a la izquierda, globo a la derecha; el globo desborda el margen
     de la página a propósito, para que se vea grande aunque se recorte */
  .ubica-grid{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);align-items:center}
  .ubica-list{order:1}
  .globe-wrap{
    order:2;
    margin-right:calc(-1 * clamp(20px,5vw,56px) - 7vw);
    margin-block:-4vw;
  }
}
.globe-wrap{position:relative;aspect-ratio:1/1;min-height:320px}
#globe{width:100%;height:100%;display:block}
.globe-note{
  position:absolute;left:0;bottom:2%;margin:0;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:rgba(243,241,237,.3);
}
.ubica-list{display:grid;gap:10px;align-content:start}
.ubica-sub{
  margin:0;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  color:rgba(243,241,237,.34);
}
.ubica-sub + ul{margin-top:-2px}
.ubica-list ul{list-style:none;margin:0 0 18px;padding:0;border-top:1px solid rgba(255,255,255,.12)}
.ubica-list li{
  padding:14px 12px;border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .18s,padding-left .18s;
}
.ubica-list li:hover,.ubica-list li.on{background:rgba(255,255,255,.05);padding-left:18px}
.ubica-list li b{font-size:clamp(15px,1.5vw,18px);font-weight:600;color:rgba(243,241,237,.9)}
.ubica-list li.on b{color:#fff}
@media(max-width:640px){.globe-wrap{min-height:280px}}

/* ---------- film ---------- */
#film{position:relative;height:820vh;background:var(--void)}
.film-stage{
  position:sticky;top:84px;height:calc(100svh - 84px);overflow:hidden;
  background:var(--void);
}
#stage{position:absolute;inset:0;width:100%;height:100%;display:block}

.film-stage::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:46%;
  background:linear-gradient(transparent,rgba(4,6,10,.72) 62%,rgba(4,6,10,.9));
  pointer-events:none;
}
.captions{position:absolute;inset:0;pointer-events:none;z-index:3}
.cap{
  position:absolute;opacity:0;
  left:clamp(20px,5vw,72px);
  bottom:clamp(76px,11vh,124px);
  width:min(430px,78vw);
  color:#fff;
}
.cap .who{
  display:flex;align-items:center;gap:11px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:14px;color:rgba(255,255,255,.9);
}
.cap .who::before{
  content:"";width:26px;height:3px;
  background:var(--c,#fff);flex:none;
}
.cap h2{
  font-size:clamp(28px,4.4vw,46px);
  font-variation-settings:"wdth" 92;
  margin-bottom:16px;text-wrap:balance;
}
.cap p{font-size:15.5px;line-height:1.62;color:rgba(255,255,255,.7);max-width:44ch}
.cap .where{
  margin-top:14px;font-family:var(--mono);font-size:12px;
  color:rgba(255,255,255,.44);letter-spacing:.01em;
}

.scroll-hint{
  position:absolute;left:50%;bottom:34px;transform:translateX(-50%);
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;
  color:rgba(255,255,255,.4);opacity:0;
  display:flex;align-items:center;gap:12px;pointer-events:none;
}
.scroll-hint .scroll-circle{color:rgba(255,255,255,.7);animation:hint-bob 1.8s ease-in-out infinite}
@keyframes hint-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* progress rail — which link of the chain you're on */
.rail{
  position:absolute;right:clamp(16px,3vw,40px);top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:7px;opacity:0;transition:opacity .4s;
}
.rail.on{opacity:1}
.rail i{
  display:block;width:2px;height:26px;
  background:rgba(255,255,255,.16);position:relative;overflow:hidden;
}
.rail i::after{
  content:"";position:absolute;inset:0 0 auto 0;height:var(--f,0%);
  background:var(--c,#fff);
}
@media(max-width:720px){
  .rail{display:none}
  .cap{bottom:clamp(56px,9vh,96px)}
  .scroll-hint{bottom:14px}
  .scroll-hint .hint-text{display:none}
}

/* ---------- paper sections ---------- */
main{position:relative;z-index:2;background:var(--paper)}
.band{padding:clamp(64px,8vw,116px) clamp(20px,5vw,56px)}
.band + .band{border-top:1px solid var(--rule)}

.lede{font-size:clamp(26px,3.6vw,40px);font-variation-settings:"wdth" 94;max-width:20ch;margin-bottom:18px}
.sub{color:var(--ink-2);max-width:62ch;font-size:16.5px}
.csg-logo{display:block;width:clamp(130px,14vw,180px);height:auto;filter:brightness(0);opacity:.9}
.csg-title{display:grid;gap:clamp(22px,3vw,34px);justify-items:start}
#csg .section-head{align-items:start}
#csg .section-head > p{padding-top:.35em}

/* the chain */
.chain{display:grid;gap:1px;background:var(--rule);margin-top:46px;border:1px solid var(--rule)}
@media(min-width:840px){.chain{grid-template-columns:repeat(3,1fr)}}
.link{background:var(--paper);padding:30px 26px 34px}
.link .tag{
  display:flex;align-items:baseline;gap:10px;margin-bottom:16px;
  font-weight:700;font-size:18px;letter-spacing:-.01em;
}
.link .tag em{
  font-style:normal;font-family:var(--mono);font-size:11px;
  color:#fff;background:var(--c);padding:3px 6px;letter-spacing:.06em;
}
.link p{font-size:15px;color:var(--ink-2);line-height:1.6}
.chain-note{margin-top:26px;font-size:15px;color:var(--ink-2);max-width:70ch}

/* measured figures */
.figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.fig{background:var(--paper);padding:26px 22px 30px}
.fig b{
  display:block;font-family:var(--mono);font-weight:500;
  font-size:clamp(30px,4vw,44px);letter-spacing:-.03em;line-height:1;
  color:var(--forem);margin-bottom:10px;
}
.fig span{font-size:13.5px;color:var(--ink-2);line-height:1.45;display:block;max-width:22ch}

/* csr */
.csr{display:grid;gap:36px;align-items:start}
@media(min-width:840px){.csr{grid-template-columns:1.1fr 1fr;gap:64px}}

/* contact */
.contact h2{font-size:clamp(30px,4.6vw,52px);font-variation-settings:"wdth" 88;max-width:16ch;margin-bottom:24px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{
  display:inline-block;text-decoration:none;font-weight:600;font-size:15px;
  padding:14px 26px;border-radius:0;background:var(--forem);color:#fff;
  transition:background .18s;
}
.btn:hover{background:#046c35}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--rule)}
.btn.ghost:hover{background:#eceeea}
button.btn{border:0;font-family:inherit;cursor:pointer}
.btn span{display:inline-block;margin-left:6px;transition:transform .2s}
.btn[aria-expanded="true"] span{transform:rotate(180deg)}
.info-form{margin-top:32px;max-width:720px;padding:clamp(22px,3vw,36px);background:#fff;border:1px solid var(--rule)}
.info-form[hidden]{display:none}
.contact-mail{margin-top:28px;font-size:14.5px}
.contact-mail a{color:var(--ink)}

footer{
  border-top:1px solid var(--rule);padding:38px clamp(20px,5vw,56px) 54px;
  display:flex;flex-wrap:wrap;gap:20px 40px;justify-content:space-between;
  font-size:13.5px;color:var(--ink-2);
}
footer ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:16px}
footer a{text-decoration:none}
footer a:hover{color:var(--ink)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn{transition:none}
  .scroll-hint .scroll-circle{animation:none}
}