/* ============================================================
   SISTEMA — heredado de la entrada, extendido para el resto
   ============================================================ */
:root{
  --ink:#0A1320;
  --ink-2:#101C2B;
  --ink-3:#18293C;
  --bone:#EDE6DA;
  --bone-dim:#B7C2CE;
  --slate:#7E8DA0;
  --accent:#3FCBF0;
  --line:rgba(237,230,218,.11);
  --line-strong:rgba(237,230,218,.22);

  --display:'Inter Tight',system-ui,sans-serif;
  --body:'Instrument Sans',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;

  --rail:19vw;
  --gut:6vw;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{background:var(--ink);color:var(--bone);font-family:var(--body);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:clip}
::selection{background:var(--accent);color:var(--ink)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
img{max-width:100%;display:block}

/* ---------- ambiente ---------- */
.amb{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.amb i{position:absolute;display:block;border-radius:50%;filter:blur(90px);opacity:.5}
.amb i:nth-child(1){width:52vw;height:52vw;left:-14vw;top:-18vw;background:radial-gradient(circle,rgba(63,203,240,.20),transparent 70%);animation:drift 34s var(--ease) infinite alternate}
.amb i:nth-child(2){width:44vw;height:44vw;right:-12vw;top:34vh;background:radial-gradient(circle,rgba(255,176,60,.12),transparent 70%);animation:drift 42s var(--ease) infinite alternate-reverse}
@keyframes drift{to{transform:translate3d(6vw,8vh,0) scale(1.15)}}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.16;mix-blend-mode:overlay}

/* ---------- cabecera ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px var(--gut);
  background:rgba(10,19,32,.10);
  backdrop-filter:blur(22px) saturate(1.5);
  -webkit-backdrop-filter:blur(22px) saturate(1.5);
  border-bottom:1px solid rgba(237,230,218,.06);
  opacity:0;pointer-events:none;transform:translateY(-14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease),background .5s var(--ease);
}
.nav.show{opacity:1;pointer-events:auto;transform:none}
.nav.deep{background:rgba(10,19,32,.22)}
.mark{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.022em;display:flex;align-items:center;gap:1px}
.mark .h{display:inline-block;width:11px;height:2px;background:var(--accent);margin:0 3px;transition:width .45s var(--ease)}
.mark:hover .h{width:26px}
.mark .ia{font-family:var(--mono);font-weight:500;font-size:17px;color:var(--accent)}
.navlinks{display:flex;align-items:center;gap:32px}
.navlinks a{font-size:14.5px;color:var(--bone-dim);transition:color .25s;position:relative}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-5px;height:1px;width:0;background:var(--accent);transition:width .3s var(--ease)}
.navlinks a:hover,.navlinks a.on{color:var(--bone)}
.navlinks a:hover::after,.navlinks a.on::after{width:100%}
.btn{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border:1px solid var(--line-strong);border-radius:2px;font-family:var(--mono);font-size:13px;letter-spacing:.02em;transition:background .3s var(--ease),color .3s var(--ease),border-color .3s}
.btn:hover{background:var(--bone);color:var(--ink);border-color:var(--bone)}
.btn.solid{background:var(--accent);color:var(--ink);border-color:var(--accent);font-weight:500}
.btn.solid:hover{background:var(--bone);border-color:var(--bone)}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{width:22px;height:1.5px;background:var(--bone);transition:transform .35s var(--ease),opacity .2s}
.burger.x span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.sheet{position:fixed;inset:0;z-index:55;background:rgba(10,19,32,.96);backdrop-filter:blur(20px);display:flex;flex-direction:column;justify-content:center;padding:0 var(--gut);clip-path:inset(0 0 100% 0);transition:clip-path .6s var(--ease)}
.sheet.open{clip-path:inset(0 0 0 0)}
.sheet a{font-family:var(--display);font-weight:700;font-size:clamp(30px,8vw,52px);letter-spacing:-.026em;padding:10px 0;border-bottom:1px solid var(--line)}
.sheet a:last-of-type{border-bottom:none}

/* ---------- raíl (la costura) ---------- */
.rail{position:fixed;left:0;top:0;bottom:0;width:var(--rail);z-index:40;pointer-events:none}
.rail .seam{position:absolute;right:0;top:0;bottom:0;width:1px;background:var(--line)}
.rail .fill{position:absolute;right:0;top:0;width:1px;background:var(--accent);height:0}
.rail .dot{position:absolute;right:-3px;top:0;width:7px;height:7px;background:var(--accent);border-radius:50%}
.rail .tag{position:absolute;right:22px;top:50vh;font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);white-space:nowrap;transform-origin:100% 0;transform:rotate(-90deg) translateY(-100%);transition:opacity .35s}

/* ---------- retícula ---------- */
.wrap{position:relative;z-index:2;margin-left:var(--rail);padding-right:var(--gut);padding-left:3vw}
section{padding:min(16vh,150px) 0;position:relative}
.full{margin-left:calc(var(--rail) * -1);margin-right:calc(var(--gut) * -1);padding-left:calc(var(--rail) + 3vw);padding-right:var(--gut)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:26px}
.eyebrow.muted{color:var(--slate)}
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.028em;line-height:1.02}
h1{font-size:clamp(44px,7.6vw,116px)}
h2{font-size:clamp(32px,4.6vw,66px)}
h3{font-size:clamp(21px,2.1vw,30px);letter-spacing:-.02em;line-height:1.14}
.lead{font-size:clamp(17px,1.5vw,21px);line-height:1.55;color:var(--bone-dim);max-width:56ch}
p{max-width:64ch;color:var(--bone-dim)}
.mono{font-family:var(--mono)}
.hi{color:var(--bone)}
.acc{color:var(--accent)}
.ia{font-family:var(--mono);font-weight:500;font-size:.72em;letter-spacing:-.01em;vertical-align:.1em}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv[data-d="1"]{transition-delay:.09s}.rv[data-d="2"]{transition-delay:.18s}
.rv[data-d="3"]{transition-delay:.27s}.rv[data-d="4"]{transition-delay:.36s}
.rv[data-d="5"]{transition-delay:.45s}

/* ============================================================
   ENTRADA — no tocar
   ============================================================ */
.stage{position:relative;padding:0;height:260vh;isolation:isolate;margin-left:calc(var(--rail) * -1);margin-right:calc(var(--gut) * -1)}
.stage .sticky{position:sticky;position:-webkit-sticky;top:0;height:100vh;height:100svh;overflow:hidden}
/* Respaldo: si el navegador no respeta el sticky, se fija por JavaScript. */
.stage.fx .sticky{position:fixed;top:0;left:0;width:100%}
.stage.fx-end .sticky{position:absolute;top:auto;bottom:0;left:0;width:100%}

/* El agua es una textura: se puede recortar en cualquier orientación sin
   perder nada, así que va a sangre y no necesita encuadre especial. */
.stage .media{position:absolute;inset:0;overflow:hidden}
.stage .poster,
.stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 50%;display:block}
.stage video{opacity:0;transition:opacity .9s var(--ease)}
.stage.live video{opacity:1}
.stage.live .poster{opacity:0;transition:opacity .9s var(--ease)}

/* Tinte: integra el azul del metraje con la paleta de la web. */
.stage .tint{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 80% at 50% 45%, transparent 0%, rgba(10,19,32,.55) 100%),
    linear-gradient(to bottom, rgba(10,19,32,.62) 0%, rgba(10,19,32,.30) 42%, rgba(10,19,32,.78) 100%);
}
.stage .scrim{position:absolute;inset:0;pointer-events:none;opacity:0;background:var(--ink)}

/* La marca, centrada sobre el agua. */
.brand{
  position:absolute;top:50%;left:0;right:0;
  transform:translateY(-50%);text-align:center;
  padding:0 var(--gut);will-change:opacity,transform;
}
.brand .wordmark{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--display);font-weight:800;
  font-size:clamp(36px,8.6vw,128px);letter-spacing:-.035em;line-height:1;
  color:var(--bone);
}
.brand .wordmark .h{
  display:inline-block;font-style:normal;
  width:clamp(15px,3.2vw,50px);height:clamp(4px,.72vw,10px);
  background:var(--accent);margin:0 clamp(7px,1.3vw,19px);
}
.brand .wordmark .ia{font-family:var(--mono);font-weight:500;font-size:.68em;color:var(--accent);letter-spacing:-.01em}
.brand .disciplines{
  margin-top:clamp(16px,2.2vw,30px);
  font-family:var(--mono);font-size:clamp(9px,1.02vw,13px);
  letter-spacing:.26em;text-transform:uppercase;color:var(--bone-dim);
}

.hcopy{position:absolute;top:50%;left:calc(var(--rail) + 3vw);right:var(--gut);transform:translateY(-50%);opacity:0;will-change:opacity,transform}
.hcopy h1{max-width:17ch;font-size:clamp(30px,4.4vw,70px);margin-bottom:22px}
.hcopy .lead{max-width:46ch;margin-bottom:32px}
.hcopy .cta{display:flex;gap:14px;flex-wrap:wrap}

.cue{position:absolute;bottom:5.5vh;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:13px;font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--bone-dim)}
.cue i{display:block;width:110px;height:1px;background:var(--line-strong);position:relative}
.cue i b{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--accent);display:block}

@media (max-width:900px){
  .stage{height:210vh}
  .brand .disciplines{letter-spacing:.18em;line-height:1.9}
  .cue i{width:64px}
  .cue{bottom:7vh}
}

/* ============================================================
   01 — STATEMENT
   ============================================================ */
.statement{padding-top:min(20vh,180px)}
.statement .big{
  font-family:var(--display);font-weight:800;
  font-size:clamp(34px,5.4vw,82px);letter-spacing:-.03em;line-height:1.04;
  max-width:19ch;margin-bottom:56px;
}
.statement .big .dim{color:var(--slate)}
.statement .cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5vw;max-width:1100px}
.statement .cols p{font-size:18px}

/* ---------- banda de disciplinas ---------- */
.disc{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;overflow:hidden;margin-left:calc(var(--rail) * -1);margin-right:calc(var(--gut) * -1)}
.disc .track{display:flex;width:max-content;animation:roll 52s linear infinite}
.disc span{font-family:var(--mono);font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--slate);padding:0 24px;white-space:nowrap}
.disc span b{color:var(--accent);font-weight:400}
@keyframes roll{to{transform:translateX(-50%)}}

/* ============================================================
   02 — MOMENTO HUMANO
   ============================================================ */
.human{position:relative;min-height:92vh;min-height:92svh;display:flex;align-items:flex-end;overflow:hidden;padding-bottom:min(12vh,110px)}
.human .bg{position:absolute;inset:0;z-index:-1}
.human .bg img{width:100%;height:100%;object-fit:cover;object-position:50% 62%;filter:saturate(.6) contrast(1.05)}
.human .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,var(--ink) 4%,rgba(10,19,32,.84) 34%,rgba(10,19,32,.42) 72%,rgba(10,19,32,.7) 100%)}
.human h2{font-size:clamp(30px,4.8vw,70px);max-width:16ch;margin-bottom:26px}
.human .dim{color:var(--slate)}

/* ============================================================
   04–06 — CAPABILITIES (sticky)
   ============================================================ */
.caps{padding:0;height:440vh;margin-left:calc(var(--rail) * -1);margin-right:calc(var(--gut) * -1)}
.capsticky{position:sticky;position:-webkit-sticky;top:0;height:100vh;height:100svh;display:flex;flex-direction:column;justify-content:center;padding:96px calc(var(--gut)) 60px calc(var(--rail) + 3vw);overflow:hidden}
.capsbar{display:flex;gap:34px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:min(7vh,56px);flex-wrap:wrap}
.capsbar b{font-family:var(--mono);font-weight:400;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);display:flex;gap:9px;align-items:baseline;transition:color .45s var(--ease)}
.capsbar b i{font-style:normal;opacity:.5}
.capsbar b.on{color:var(--bone)}
.capsbar b.on i{color:var(--accent);opacity:1}
.capstage{position:relative;flex:1;min-height:0}
.cap{position:absolute;inset:0;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1fr);gap:6vw;opacity:0;visibility:hidden;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease),visibility .7s}
.cap.on{opacity:1;visibility:visible;transform:none}
.cap .num{font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--accent);margin-bottom:20px}
.cap h3{font-size:clamp(28px,3.6vw,54px);font-weight:800;letter-spacing:-.03em;line-height:1.02;margin-bottom:22px}
.cap .st{font-size:clamp(16px,1.35vw,19px);color:var(--bone-dim);max-width:38ch;margin-bottom:22px}
.cap .pull{font-family:var(--display);font-weight:600;font-size:clamp(17px,1.5vw,22px);letter-spacing:-.02em;line-height:1.2;color:var(--bone);max-width:24ch}
.cap .pull span{color:var(--accent)}
.cap ul{list-style:none;columns:2;column-gap:3vw}
.cap li{font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;color:var(--slate);padding:7px 0;border-bottom:1px solid var(--line);break-inside:avoid;transition:color .3s}
.cap li:hover{color:var(--bone)}
.cap.minor h3{font-size:clamp(24px,2.8vw,40px)}
.cap.minor .num{color:var(--slate)}

/* ============================================================
   07 — UNA EMPRESA ES UN SISTEMA
   ============================================================ */
.sys{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:5vw;align-items:center;margin-top:50px}
.sysvis svg{width:100%;height:auto;overflow:visible}
.sysvis .edge{stroke:var(--line-strong);stroke-width:1;transition:stroke .4s,stroke-width .4s}
.sysvis .edge.hot{stroke:var(--accent);stroke-width:1.6}
.sysvis .node text{font-family:var(--mono);font-size:15px;letter-spacing:.1em;fill:var(--slate);transition:fill .35s}
.sysvis .node circle{fill:var(--ink);stroke:var(--line-strong);transition:stroke .35s,fill .35s}
.sysvis .node.hot text{fill:var(--bone)}
.sysvis .node.hot circle{stroke:var(--accent);fill:var(--accent)}
.sysvis .node{cursor:pointer}
.syslist{display:none;flex-wrap:wrap;gap:9px;margin-top:30px}
.syslist b{font-family:var(--mono);font-weight:400;font-size:12.5px;letter-spacing:.1em;color:var(--slate);border:1px solid var(--line-strong);padding:8px 13px;border-radius:2px;transition:all .3s}
.syslist b.hot{color:var(--ink);background:var(--accent);border-color:var(--accent)}
.syscap{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--slate);margin-top:26px;min-height:3em;max-width:44ch}

/* ============================================================
   08 — IA
   ============================================================ */
.aihead h2{max-width:15ch}
.aihead .sub{font-family:var(--display);font-weight:600;font-size:clamp(20px,2.2vw,32px);letter-spacing:-.02em;color:var(--slate);margin-top:14px}
.aiuses{display:flex;flex-wrap:wrap;gap:0;margin-top:54px;border-top:1px solid var(--line)}
.aiuses b{
  font-family:var(--mono);font-weight:400;font-size:13px;letter-spacing:.02em;color:var(--bone-dim);
  padding:14px 24px 14px 0;margin-right:24px;border-bottom:1px solid var(--line);flex:1 1 240px;
  transition:color .3s,padding-left .4s var(--ease);
}
.aiuses b:hover{color:var(--accent);padding-left:10px}

/* ============================================================
   09 — RETOS (marquee)
   ============================================================ */
.chal{padding-bottom:min(16vh,150px)}
.marq{overflow:hidden;margin-left:calc(var(--rail) * -1);margin-right:calc(var(--gut) * -1);padding:9px 0;-webkit-mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent)}
.marq .track{display:flex;width:max-content}
.marq.a .track{animation:roll 64s linear infinite}
.marq.b .track{animation:roll 78s linear infinite reverse}
.marq.c .track{animation:roll 72s linear infinite}
.marq q{
  font-family:var(--display);font-weight:700;font-size:clamp(22px,2.9vw,44px);letter-spacing:-.025em;
  color:var(--slate);padding:0 26px;white-space:nowrap;quotes:none;transition:color .35s;
}
.marq q::before,.marq q::after{content:""}
.marq q:hover{color:var(--bone)}
.marq q em{color:var(--line-strong);font-style:normal;margin-left:26px}

/* ============================================================
   10 — SHOWCASE (scroll horizontal)
   ============================================================ */
.strip{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;padding:44px 0 30px;margin-left:calc(var(--rail) * -1);padding-left:calc(var(--rail) + 3vw);margin-right:calc(var(--gut) * -1);padding-right:var(--gut);cursor:grab;scrollbar-width:none}
.strip::-webkit-scrollbar{display:none}
.strip.drag{cursor:grabbing;scroll-snap-type:none}
.panel{flex:0 0 min(420px,74vw);scroll-snap-align:start;border:1px solid var(--line);background:var(--ink-2);padding:30px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between;user-select:none;transition:border-color .4s,background .4s}
.panel:hover{border-color:var(--line-strong);background:var(--ink-3)}
.panel .plabel{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:22px}
.panel p{font-size:14.5px;color:var(--slate);max-width:none}
.spec{flex:1;display:flex;flex-direction:column;justify-content:center;gap:8px;margin:14px 0 22px}
.spec .t1{font-family:var(--display);font-weight:800;font-size:40px;letter-spacing:-.03em;line-height:1}
.spec .t2{font-family:var(--display);font-weight:600;font-size:24px;letter-spacing:-.02em;color:var(--bone-dim)}
.spec .t3{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--slate)}
.gridspec{display:grid;grid-template-columns:repeat(6,1fr);gap:5px;height:96px}
.gridspec i{background:var(--line);display:block}
.gridspec i:nth-child(-n+3){background:rgba(63,203,240,.34)}
.curve{height:96px;width:100%}
.curve path{fill:none;stroke:var(--accent);stroke-width:1.5}
.curve line{stroke:var(--line);stroke-width:1}
.swatches{display:flex;gap:7px;height:70px}
.swatches i{flex:1;display:block;border:1px solid var(--line)}
.hint{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);display:flex;align-items:center;gap:11px;margin-top:6px}
.hint i{display:block;width:40px;height:1px;background:var(--line-strong)}

/* ============================================================
   11 — PRINCIPIOS
   ============================================================ */
.prin{margin-top:56px;border-top:1px solid var(--line)}
.prin .row{display:grid;grid-template-columns:64px minmax(0,.8fr) minmax(0,1fr);gap:4vw;padding:30px 0;border-bottom:1px solid var(--line);align-items:baseline;transition:padding-left .5s var(--ease)}
.prin .row:hover{padding-left:20px}
.prin .row .i{font-family:var(--mono);font-size:12.5px;color:var(--accent);letter-spacing:.1em}
.prin .row h3{font-size:clamp(20px,2.3vw,32px);font-weight:700}
.prin .row p{font-size:15.5px;margin:0}

/* ============================================================
   12 — METODOLOGÍA
   ============================================================ */
.meth{position:relative;margin-top:56px;padding-left:52px}
.meth .rail2{position:absolute;left:0;top:8px;bottom:8px;width:1px;background:var(--line)}
.meth .rail2 b{position:absolute;left:0;top:0;width:1px;height:0;background:var(--accent);display:block}
.stg{padding:34px 0;border-bottom:1px solid var(--line);position:relative}
.stg:last-child{border-bottom:none}
.stg::before{content:"";position:absolute;left:-56px;top:45px;width:9px;height:9px;border-radius:50%;background:var(--ink);border:1px solid var(--line-strong);transition:background .4s,border-color .4s,transform .4s var(--ease)}
.stg.act::before{background:var(--accent);border-color:var(--accent);transform:scale(1.35)}
.stg .k{font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;color:var(--slate);margin-bottom:12px;transition:color .4s}
.stg.act .k{color:var(--accent)}
.stg h3{font-size:clamp(24px,3vw,42px);margin-bottom:12px}
.stg p{max-width:58ch}

/* ============================================================
   13 — EXPERIENCIA
   ============================================================ */
.exp{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px}
.exp div{background:var(--ink);padding:32px 26px}
.exp .n{font-family:var(--display);font-weight:800;font-size:clamp(26px,2.9vw,42px);letter-spacing:-.03em;line-height:1;margin-bottom:12px}
.exp .l{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}

/* ============================================================
   14 — CIERRE Y CONTACTO
   ============================================================ */
.close{background:var(--bone);color:var(--ink)}
.close h2{max-width:15ch}
.close p{color:#48596A}
.close .btn{border-color:rgba(10,19,32,.28)}
.close .btn:hover{background:var(--ink);color:var(--bone);border-color:var(--ink)}
.close .eyebrow{color:#0F6E8C}


/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:64px 0 34px;margin-left:calc(var(--rail) * -1);padding-left:calc(var(--rail) + 3vw);padding-right:var(--gut);position:relative;z-index:2}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.fgrid h4{font-family:var(--mono);font-weight:400;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--slate);margin-bottom:18px}
.fgrid ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.fgrid a{color:var(--bone-dim);font-size:15px;transition:color .25s}
.fgrid a:hover{color:var(--accent)}
.status{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12.5px;color:var(--bone-dim);margin-top:18px}
.status i{width:7px;height:7px;border-radius:50%;background:#5FD08A;box-shadow:0 0 0 0 rgba(95,208,138,.6);animation:pulse 2.6s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(95,208,138,0)}100%{box-shadow:0 0 0 0 rgba(95,208,138,0)}}
.fbot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--slate)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1180px){
  .sys{grid-template-columns:1fr;gap:34px}
  .cap{grid-template-columns:1fr;gap:26px;overflow-y:auto}
}
@media (max-width:1080px){
  :root{--rail:0px;--gut:6vw}
  .rail{display:none}
  .wrap{margin-left:0;padding-left:var(--gut)}
  .stage,.disc,.marq,.caps{margin-left:calc(var(--gut) * -1)}
  .full,footer{margin-left:calc(var(--gut) * -1);padding-left:var(--gut)}
  .hcopy{left:var(--gut)}
  .capsticky{padding-left:var(--gut)}
  .strip{margin-left:calc(var(--gut) * -1);padding-left:var(--gut)}
  .statement .cols{grid-template-columns:1fr;gap:20px}
  .exp{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .navlinks{display:none}
  .burger{display:flex}
  body{font-size:16px;line-height:1.58}
  section{padding:76px 0}

  /* escala tipográfica: en pantalla estrecha los titulares bajan un punto */
  h1{font-size:clamp(30px,8.4vw,44px)}
  h2{font-size:clamp(26px,7.2vw,38px)}
  h3{font-size:clamp(19px,5vw,24px)}
  .lead{font-size:16.5px}
  .statement .big{font-size:clamp(27px,7.6vw,40px);max-width:100%;margin-bottom:34px}
  .hcopy h1{font-size:clamp(27px,7.4vw,38px)}
  .human h2{font-size:clamp(26px,7.2vw,38px)}
  .cap h3{font-size:clamp(22px,6.2vw,30px)}
  .stg h3{font-size:clamp(22px,6vw,30px)}
  .marq q{font-size:clamp(18px,5.4vw,26px)}
  .exp .n{font-size:clamp(24px,6.4vw,32px)}
  .eyebrow{font-size:11px;margin-bottom:20px}
  .hcopy .lead{max-width:100%;font-size:15.5px}
  .hcopy .cta .btn{padding:12px 16px;font-size:12px}
  .hcopy h1{font-size:clamp(26px,7.2vw,36px)}
  .cue i{width:74px}

  /* capabilities: el sticky se convierte en secciones apiladas */
  .caps{height:auto;margin-left:calc(var(--gut) * -1)}
  .capsticky{position:static;height:auto;display:block;padding:0 var(--gut) 0 var(--gut)}
  .capsbar{display:none}
  .capstage{position:static;min-height:0}
  .cap{position:static;opacity:1;visibility:visible;transform:none;display:block;padding:46px 0;border-bottom:1px solid var(--line)}
  .cap ul{columns:1}

  /* sistema: del diagrama a la lista */
  .sysvis{display:none}
  .syslist{display:flex}

  .prin .row{grid-template-columns:1fr;gap:10px;padding:26px 0}
  .prin .row:hover{padding-left:0}
  .meth{padding-left:32px}
  .stg::before{left:-36px}
  .exp{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  .human{min-height:76svh}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
}