:root{
  --bg:#F7F4EE; --ink:#1E1F21; --soft:#55565a; --line:#d9d5cc; --red:#D62B2B;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"JetBrains Mono","SF Mono",Menlo,Consolas,monospace;
  --pad:clamp(1.25rem,5vw,4.5rem);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem}
body{margin:0;background:var(--bg);color:var(--ink);font:1.0625rem/1.65 var(--sans);-webkit-font-smoothing:antialiased}
img,canvas,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:20}
.skip:focus{left:0}
.mono{font-family:var(--mono);font-size:.8125rem;letter-spacing:.01em;color:var(--soft)}
.slash{color:var(--red)}

/* header */
.top{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem var(--pad);background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(6px)}
.brand,.brand-sm{font-family:var(--mono);font-weight:600;text-decoration:none;font-size:1.05rem;letter-spacing:-.01em}
.top nav{display:flex;gap:1.5rem;align-items:center;font-size:.9rem}
.top nav a{text-decoration:none;color:var(--soft)}
.top nav a:hover{color:var(--ink)}
.top .nav-cta{color:var(--ink);border-bottom:1px solid var(--red);padding-bottom:1px}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);align-items:center;gap:clamp(1rem,4vw,4rem);padding:clamp(1.5rem,5vw,4rem) var(--pad) clamp(4rem,9vw,8rem);max-width:1500px;margin:0 auto}
.hero-copy{order:1}
.hero-fig{order:2;margin:0}
.hero-fig img{width:100%;height:auto;mix-blend-mode:multiply}
.tag{margin:0 0 1.5rem}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.015em;line-height:1.12;margin:0}
h1{font-size:clamp(2.2rem,4.6vw,3.9rem);max-width:15ch}
h2{font-size:clamp(1.7rem,3.2vw,2.6rem);max-width:22ch}
h3{font-size:1.2rem;line-height:1.25}
.lead{font-size:1.15rem;max-width:46ch;color:#34353a;margin:1.5rem 0 0}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin:2rem 0 0}
.btn{display:inline-block;padding:.8rem 1.4rem;background:var(--ink);color:var(--bg);text-decoration:none;font-size:.95rem;border:1px solid var(--ink);transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:var(--red);border-color:var(--red)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn[aria-disabled="true"]{pointer-events:none;background:transparent;color:var(--soft);border:1px dashed var(--soft)}

/* secciones */
section{padding:clamp(4rem,9vw,8rem) var(--pad)}
.que,.como,.quienes,.contacto{max-width:1500px;margin:0 auto;border-top:1px solid var(--line)}
.que{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(2rem,5vw,5rem)}
.que-text p{max-width:48ch;color:#34353a}
.que-text h2{margin-bottom:1.75rem}
.lens-wrap{align-self:start}
#lens{width:100%;aspect-ratio:16/10;touch-action:pan-y;cursor:crosshair}
.caption{margin:.75rem 0 0}
.entrega{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2.5rem;margin:2rem 0 0;padding-top:2rem;border-top:1px solid var(--line)}
.entrega dt{font-family:var(--serif);font-size:1.2rem;margin-bottom:.5rem}
.entrega dd{margin:0;color:var(--soft);max-width:34ch}

.como h2{margin-bottom:3.5rem}
.pasos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2rem;position:relative}
.pasos::before{content:"";position:absolute;left:0;right:0;top:.55rem;height:1px;background:var(--line)}
.pasos li{position:relative;padding-top:2.25rem}
.pasos .n{position:absolute;top:0;left:0;background:var(--bg);padding-right:.75rem;color:var(--ink)}
.pasos li:last-child .n{color:var(--red)}
.pasos h3{margin-bottom:.6rem}
.pasos p{margin:0;color:var(--soft);max-width:28ch;font-size:.98rem}
.iter{margin:4rem 0 0;max-width:720px}
.iter svg{width:100%;height:auto}
.mono-svg{font-family:var(--mono)}
.iter figcaption{margin-top:.75rem;font-size:.85rem;color:var(--soft)}

.quienes-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,4fr);gap:clamp(2rem,5vw,5rem);margin-top:2.5rem;align-items:start}
.quienes-grid>p{max-width:50ch;margin:0;color:#34353a}
.equipo{border:1px dashed #b8b3a8;min-height:9rem;display:flex;align-items:center;justify-content:center;text-align:center}
.equipo p{margin:0}

.contacto{padding-bottom:clamp(5rem,10vw,9rem)}
.contacto h2{max-width:20ch;font-size:clamp(1.9rem,4vw,3.2rem)}
.foot{display:flex;justify-content:space-between;gap:1rem;padding:1.5rem var(--pad);border-top:1px solid var(--line);max-width:1500px;margin:0 auto;align-items:center}

@media (max-width:900px){
  .top nav a:not(.nav-cta){display:none}
  .hero{grid-template-columns:1fr}
  .hero-fig{order:0;margin:0 calc(var(--pad)*-.5)}
  .hero-copy{order:1}
  .que{grid-template-columns:1fr}
  .entrega{grid-template-columns:1fr;gap:1.75rem}
  .pasos{grid-template-columns:1fr;gap:0}
  .pasos::before{left:.35rem;right:auto;top:0;bottom:0;width:1px;height:auto}
  .pasos li{padding:0 0 2rem 2rem}
  .pasos .n{top:.2rem;left:-.15rem;padding:.2rem .35rem .2rem 0}
  .quienes-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}

/* Integración institucional discreta con IEXS */
.fitun-parent-link,.fitun-footer-link{color:inherit;text-decoration:none;border-bottom:1px solid #D62B2B;padding-bottom:3px}
.fitun-parent-link{display:inline-block;margin-top:1rem;font-size:.9rem;font-weight:600}
.top nav .parent-nav{font-weight:650;color:#1E1F21}
@media(max-width:760px){.top nav{flex-wrap:wrap;gap:.65rem 1rem}}

/* Ajuste final: bloque institucional sin superposición */
.quienes-grid .equipo-institucional{display:grid!important;grid-template-columns:minmax(0,1fr)!important;grid-template-rows:auto auto!important;align-content:center!important;justify-items:center!important;gap:24px!important;padding:30px 24px!important;height:auto!important;min-height:9rem!important;box-sizing:border-box!important}
.quienes-grid .equipo-institucional__texto{display:block!important;position:static!important;width:100%!important;margin:0!important;white-space:normal!important;line-height:1.85!important;text-align:center!important}
.quienes-grid .equipo-institucional__enlace{position:static!important;display:inline-block!important;margin:0!important;line-height:1.5!important;white-space:normal!important;text-align:center!important}

/* Refinamiento gráfico de Fi-Tun/12: tarjetas independientes, sin textos SVG */
.iter-cards{max-width:100%!important;margin:4rem 0 0!important}
.iter-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1rem,2.2vw,2rem)}
.iter-card{min-width:0}
.iter-visual{height:clamp(150px,17vw,208px);border:1px solid #d0c9be;border-radius:14px;position:relative;overflow:hidden;background:#f7f4ee}
.iter-copy{padding:.95rem .2rem 0;min-width:0}
.iter-count{display:block;color:#a02f31;font:600 .72rem/1.4 var(--mono);letter-spacing:.045em;text-transform:uppercase;margin-bottom:.3rem}
.iter-copy strong{display:block;color:var(--ink);font:400 clamp(1.18rem,1.6vw,1.5rem)/1.2 var(--serif)}
.iter-copy p{font:.9rem/1.55 var(--sans);margin:.55rem 0 0;color:var(--soft);max-width:36ch;overflow-wrap:break-word}
.iter-node{position:absolute;left:var(--x);top:var(--y);width:9px;height:9px;border-radius:50%;background:#96999c;transform:translate(-50%,-50%)}
.iter-node.is-target{background:var(--red);width:10px;height:10px}
.iter-focus{position:absolute;left:39%;top:28%;width:35%;height:45%;border:1.5px dashed var(--red);border-radius:50%;transform:rotate(-9deg)}
.iter-filter-grid{position:absolute;inset:12% 18%;background-image:linear-gradient(#d9d5cc 1px,transparent 1px),linear-gradient(90deg,#d9d5cc 1px,transparent 1px);background-size:27% 23%;opacity:.75}
.iter-selection{position:absolute;left:32%;top:33%;width:38%;height:35%;border:1.5px solid var(--red);border-radius:10px;background:rgba(214,43,43,.05)}
.iter-selection span{position:absolute;width:9px;height:9px;background:var(--red);border-radius:50%}
.iter-selection span:nth-child(1){left:20%;top:28%}.iter-selection span:nth-child(2){left:50%;top:35%}.iter-selection span:nth-child(3){left:75%;top:21%}.iter-selection span:nth-child(4){left:36%;top:68%}.iter-selection span:nth-child(5){left:66%;top:72%}
.iter-target{position:absolute;left:30%;top:50%;width:92px;height:92px;transform:translate(-50%,-50%);border:1px solid #a5a29e;border-radius:50%;background:radial-gradient(circle, var(--red) 0 5px,transparent 6px 16px,#aaa 17px 18px,transparent 19px 32px,#aaa 33px 34px,transparent 35px)}
.iter-target i{position:absolute;inset:12px;border:1px solid #b9b4ab;border-radius:50%}
.iter-bars{position:absolute;left:58%;top:31%;width:28%;height:38%;display:flex;flex-direction:column;justify-content:space-around}
.iter-bars i{height:6px;background:linear-gradient(90deg,var(--red) 0 20%,#d9d5cc 20% 100%);border-radius:2px}
.iter-bars i:nth-child(2){opacity:.7}.iter-bars i:nth-child(3){opacity:.45}
.iter-cards figcaption{margin-top:1.5rem;font-size:.87rem;color:var(--soft)}
@media(max-width:720px){.iter-flow{grid-template-columns:1fr;gap:2rem}.iter-visual{height:180px}.iter-copy p{max-width:50ch}}
/* Bloque IEXS: la versión subida usa ahora las clases que activan este layout */
.quienes-grid .equipo-institucional{display:flex!important;flex-direction:column!important;align-items:center!important;justify-content:center!important;gap:1.1rem!important;padding:1.4rem!important;min-height:10rem!important;box-sizing:border-box!important}
.quienes-grid .equipo-institucional__texto{margin:0!important;max-width:100%!important;display:block!important;text-align:center!important;line-height:1.75!important;position:static!important}
.quienes-grid .equipo-institucional__enlace{margin:0!important;position:static!important;display:inline-block!important;white-space:normal!important;text-align:center!important}