:root{
    --azul:#25a8ea;
    --azul-hondo:#1e73be;
    --azul-noche:#0d3b6e;
    --tinta:#222222;
    --tinta-2:#333333;
    --gris:#666666;
    --gris-2:#8a8a8a;
    --linea:#e4e4e4;
    --fondo:#ffffff;
    --fondo-2:#f8f8f8;
    --f-tit:"Raleway","Helvetica Neue",Arial,sans-serif;
    --f-txt:"Open Sans","Helvetica Neue",Arial,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{background:var(--fondo);color:var(--tinta-2);font-family:var(--f-txt);font-size:15px;font-weight:300;line-height:1.75;-webkit-font-smoothing:antialiased}
  img{max-width:100%;display:block}
  a{color:var(--azul);text-decoration:none}
  .env{max-width:1300px;margin:0 auto;padding:0 28px}

  /* ================= dinamismo: revelado, profundidad y progreso ================= */
  /* barra de avance de lectura */
  .avance{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--azul-noche),var(--azul));z-index:80;transition:width .1s linear;pointer-events:none}

  /* revelado al entrar en pantalla */
  .anim .rev{opacity:0;transform:translateY(26px);
    transition:opacity .8s cubic-bezier(.2,.75,.3,1),transform .8s cubic-bezier(.2,.75,.3,1)}
  .anim .rev.vis{opacity:1;transform:none}
  /* los hijos de una rejilla entran escalonados */
  .anim .rej > *{opacity:0;transform:translateY(22px);
    transition:opacity .7s cubic-bezier(.2,.75,.3,1),transform .7s cubic-bezier(.2,.75,.3,1)}
  .anim .rej.vis > *{opacity:1;transform:none}
  .anim .rej.vis > *:nth-child(2){transition-delay:.1s}
  .anim .rej.vis > *:nth-child(3){transition-delay:.2s}
  .anim .rej.vis > *:nth-child(4){transition-delay:.3s}
  .anim .rej.vis > *:nth-child(5){transition-delay:.4s}
  .anim .rej.vis > *:nth-child(6){transition-delay:.5s}
  /* la raya azul se dibuja sola */
  .anim .raya{transform-origin:left center;transform:scaleX(0);transition:transform .7s cubic-bezier(.2,.85,.3,1) .1s}
  .raya.c{transform-origin:center}
  .anim .vis .raya,.anim .raya.vis{transform:none}
  /* las filas de tabla aparecen una tras otra */
  .anim tbody tr{opacity:0;transform:translateY(10px);transition:opacity .5s ease,transform .5s ease}
  .anim .scroll.vis tbody tr{opacity:1;transform:none}
  .anim .scroll.vis tbody tr:nth-child(2){transition-delay:.07s}
  .anim .scroll.vis tbody tr:nth-child(3){transition-delay:.14s}
  .anim .scroll.vis tbody tr:nth-child(4){transition-delay:.21s}
  .anim .scroll.vis tbody tr:nth-child(5){transition-delay:.28s}
  .anim .scroll.vis tbody tr:nth-child(6){transition-delay:.35s}

  /* profundidad al pasar el cursor */
  .caja{transition:transform .32s cubic-bezier(.2,.8,.3,1),box-shadow .32s,border-color .32s}
  .caja:hover{transform:translateY(-5px);border-color:#c9dced;
    box-shadow:0 24px 48px -28px rgba(13,59,110,.42)}
  .caja img{transition:transform .5s cubic-bezier(.2,.8,.3,1)}
  .caja:hover img{transform:scale(1.03)}
  .btn{position:relative;overflow:hidden}
  .btn:hover{transform:translateY(-2px)}
  .btn:active{transform:translateY(0)}
  .mas{position:relative;display:inline-block}
  .mas::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1.5px;background:var(--azul);transition:width .3s cubic-bezier(.2,.8,.3,1)}
  .mas:hover::after{width:100%}

  /* la animación de la cadena: centrada y contenida, no a sangre */
  .cadena-caja{max-width:640px;margin:0 auto}
  /* la animación se dibuja a su tamaño nativo y se escala entera:
     si se le encoge el lienzo, recalcula su diseño y los rótulos se salen */
  .cadena-marco{position:relative;width:100%;aspect-ratio:1240/760;background:#0a1c2e;
    overflow:hidden;border-radius:4px;border:1px solid rgba(168,220,247,.22);
    box-shadow:0 30px 70px -30px rgba(0,0,0,.65)}
  .cadena-marco iframe{position:absolute;top:0;left:0;border:0;display:block;
    transform-origin:top left;width:1240px;height:760px}
  .cadena-print{display:none}
  .cadena-pie{text-align:center;font-size:13.5px;color:#9dbdd6;margin-top:18px}
  .cadena-pie a{color:#7fc8e8;border-bottom:1px solid rgba(127,200,232,.45);padding-bottom:1px}
  .cadena-pie a:hover{color:#fff;border-color:#fff}
  @media (max-width:800px){ .cadena-marco{aspect-ratio:820/1060} }

  /* ---------- impresión ---------- */
  @media print{
    header.top,.avance,.hamb,nav.menu,.base,footer.pie a[href^="http"]{display:none!important}
    body{background:#fff;color:#000}
    .cadena-marco{display:none}
    .cadena-print{display:block;width:100%;height:auto;border:1px solid #ccc}
    .cadena-caja{max-width:100%;page-break-inside:avoid;break-inside:avoid}
    .blq,section{padding:18px 0!important;page-break-inside:auto}
    .caja,.cifra,table,.scroll,svg{page-break-inside:avoid;break-inside:avoid}
    h1,h2,h3,h4{page-break-after:avoid;break-after:avoid;color:#000}
    .hero{background:#fff!important;color:#000!important;padding:20px 0!important}
    .hero h1,.hero .baja,.hero .ante{color:#000!important}
    .blq.tinta{background:#fff!important}
    .blq.tinta *{color:#000!important}
    a{color:#000;text-decoration:underline}
    .env{max-width:100%;padding:0}
    @page{margin:16mm}
  }

  /* banda de cifras */
  .cifras{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;margin:8px 0 0}
  .cifra .n{font-family:var(--f-tit);font-weight:800;font-size:clamp(2.4rem,5vw,3.6rem);line-height:1;
    letter-spacing:-.035em;color:var(--azul-noche);font-variant-numeric:tabular-nums}
  .cifra .d{font-size:14.5px;color:var(--gris);margin-top:12px;max-width:26ch;line-height:1.55}
  .cifra .r{width:34px;height:3px;background:var(--azul);margin:16px 0 0}
  .blq.tinta .cifra .n{color:#fff}
  .blq.tinta .cifra .d{color:#c3daea}

  /* imágenes que entran con un leve zoom */
  .anim .zoomin{opacity:0;transform:scale(1.04);transition:opacity .9s ease,transform 1.1s cubic-bezier(.2,.75,.3,1)}
  .anim .zoomin.vis{opacity:1;transform:none}

  @media (prefers-reduced-motion:reduce){
    .rev,.rej > *,.zoomin,tbody tr,.raya{opacity:1!important;transform:none!important;transition:none!important}
    .caja:hover,.btn:hover{transform:none}
    .avance{display:none}
  }

  /* ---------- cabecera ---------- */
  header.top{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--linea);
    transition:box-shadow .3s ease,background .3s ease}
  header.top.pegada{box-shadow:0 6px 22px -14px rgba(13,59,110,.45)}
  .top .env{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:96px;
    transition:min-height .3s cubic-bezier(.2,.8,.3,1)}
  header.top.pegada .top .env,header.top.pegada .env{min-height:70px}
  .marca img{transition:height .3s cubic-bezier(.2,.8,.3,1)}
  header.top.pegada .marca img{height:34px}
  header.top.pegada nav.menu a{padding-top:25px;padding-bottom:23px}
  .marca{display:flex;align-items:center;gap:0;flex:0 0 auto}
  .marca img{height:42px;width:auto}
  nav.menu{display:flex;align-items:center;gap:19px;flex-wrap:nowrap;justify-content:flex-end}
  nav.menu a{font-family:var(--f-tit);font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--tinta);padding:38px 0 36px;border-bottom:3px solid transparent;transition:color .18s,border-color .18s;white-space:nowrap}
  nav.menu a:hover{color:var(--azul)}
  nav.menu a.on{border-bottom-color:var(--tinta);color:var(--tinta)}
  nav.menu a.cta{background:var(--azul);color:#fff;padding:12px 20px;border-radius:2px;border-bottom:0;margin-left:6px}
  nav.menu a.cta:hover{background:var(--azul-hondo);color:#fff}
  .hamb{display:none;background:none;border:0;cursor:pointer;padding:10px}
  .hamb span{display:block;width:24px;height:2px;background:var(--tinta);margin:5px 0}

  /* ---------- tipografia ---------- */
  h1,h2,h3,h4{font-family:var(--f-tit);color:var(--tinta);font-weight:800;line-height:1.18;text-wrap:balance}
  h1{font-size:clamp(2rem,4.4vw,3.05rem);letter-spacing:-.015em}
  h2{font-size:clamp(1.5rem,3vw,2.05rem);text-transform:uppercase;letter-spacing:.015em}
  h3{font-size:1.02rem;text-transform:uppercase;letter-spacing:.07em;font-weight:700}
  h4{font-size:1.12rem;font-weight:700}
  p{margin-bottom:16px;max-width:70ch}
  .raya{width:52px;height:3px;background:var(--azul);margin:18px 0 26px}
  .raya.c{margin-left:auto;margin-right:auto}
  .centro{text-align:center}
  .centro p{margin-left:auto;margin-right:auto}
  .plomo{color:var(--gris)}
  .ante{font-family:var(--f-tit);font-size:12px;font-weight:700;letter-spacing:.19em;text-transform:uppercase;color:var(--azul);margin-bottom:16px}

  /* ---------- secciones ---------- */
  section.blq{padding:82px 0}
  section.blq.gris{background:var(--fondo-2)}
  section.blq.tinta{background:var(--azul-noche);color:#d7e6f2}
  section.blq.tinta h2,section.blq.tinta h3,section.blq.tinta h4{color:#fff}
  section.blq.tinta .ante{color:#7fc8e8}

  /* ---------- hero ---------- */
  .hero{background:linear-gradient(105deg,rgba(13,59,110,.94) 0%,rgba(30,115,190,.88) 55%,rgba(37,168,234,.78) 100%),url("/assets/hero-foto.jpg") center/cover no-repeat;color:#fff;padding:96px 0 92px;position:relative;overflow:hidden}
  .hero h1{color:#fff;max-width:17ch}
  .hero h1 em{font-style:normal;color:#a8dcf7}
  .hero .baja{font-size:1.12rem;color:#d4e9f7;max-width:52ch;margin-top:22px;font-weight:300}
  .hero .ante{color:#a8dcf7}
  .hero .berg{position:absolute;right:-6%;bottom:-24%;width:440px;opacity:.09;pointer-events:none}
  .botones{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
  .btn{display:inline-block;font-family:var(--f-tit);font-size:12.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;padding:15px 28px;border-radius:2px;border:2px solid transparent;cursor:pointer;transition:all .18s}
  .btn.pri{background:#fff;color:var(--azul-noche);border-color:#fff}
  .btn.pri:hover{background:#a8dcf7;border-color:#a8dcf7}
  .btn.sec{border-color:rgba(255,255,255,.55);color:#fff}
  .btn.sec:hover{border-color:#fff;background:rgba(255,255,255,.1)}
  .btn.azul{background:var(--azul);color:#fff;border-color:var(--azul)}
  .btn.azul:hover{background:var(--azul-hondo);border-color:var(--azul-hondo)}

  /* ---------- credenciales ---------- */
  .credo{background:var(--fondo-2);border-bottom:1px solid var(--linea);padding:26px 0}
  .credo .env{display:flex;align-items:center;gap:18px 34px;flex-wrap:wrap;justify-content:center}
  .credo .et{font-family:var(--f-tit);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gris-2)}
  .credo .nm{font-family:var(--f-tit);font-size:13.5px;font-weight:700;color:var(--tinta);letter-spacing:.02em}
  .logos{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 40px;width:100%}
  .logos img{height:42px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.62;transition:filter .2s,opacity .2s;mix-blend-mode:multiply}
  .logos img:hover{filter:grayscale(0);opacity:1}
  .muro{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:2px;background:var(--linea);border:1px solid var(--linea);margin-bottom:26px}
  .muro div{background:#fff;display:grid;place-items:center;padding:26px 18px;min-height:112px}
  .muro img{max-height:52px;width:auto;object-fit:contain}

  /* ---------- rejillas ---------- */
  .rej{display:grid;gap:34px}
  .rej.c2{grid-template-columns:repeat(2,1fr)}
  .rej.c3{grid-template-columns:repeat(3,1fr)}
  .rej.c4{grid-template-columns:repeat(4,1fr)}

  .tarj{text-align:center}
  .tarj .ic{width:66px;height:66px;margin:0 auto 20px;color:var(--azul)}
  .tarj .ic svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.4}
  .tarj h3{margin-bottom:12px;color:var(--tinta)}
  .tarj p{font-size:14px;color:var(--gris);max-width:none}
  .tarj .mas{font-family:var(--f-tit);font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--azul);display:inline-block;margin-top:8px;cursor:pointer}

  .caja{background:#fff;border:1px solid var(--linea);padding:32px 30px;border-radius:2px;height:100%}
  section.blq.gris .caja{background:#fff}
  .caja h4{margin-bottom:10px}
  .caja p{font-size:14.5px;color:var(--gris)}
  .caja p:last-child{margin-bottom:0}
  .caja.dest{border-top:3px solid var(--azul)}

  ul.pts{list-style:none;margin:0 0 18px}
  ul.pts li{position:relative;padding-left:22px;margin-bottom:11px;font-size:14.5px;color:var(--gris);max-width:70ch}
  ul.pts li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;background:var(--azul);border-radius:50%}
  ul.pts li b,ul.pts li strong{color:var(--tinta-2);font-weight:600}

  /* ---------- tabla sesiones ---------- */
  .scroll{overflow-x:auto;border:1px solid var(--linea);border-radius:2px;background:#fff;margin-bottom:26px}
  table{border-collapse:collapse;width:100%;min-width:620px;font-size:14px}
  th,td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--linea);vertical-align:top}
  thead th{font-family:var(--f-tit);font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--gris-2);background:var(--fondo-2);font-weight:700}
  tbody tr:last-child td{border-bottom:0}
  td.n{font-family:var(--f-tit);font-weight:800;color:var(--azul);font-size:1.35rem;width:1%;line-height:1.2}
  td b{color:var(--tinta);font-weight:700}

  /* ---------- destacado ---------- */
  .nota{border-left:3px solid var(--azul);background:var(--fondo-2);padding:22px 26px;margin-bottom:26px}
  .nota p:last-child{margin-bottom:0}
  .nota .et{font-family:var(--f-tit);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--azul);display:block;margin-bottom:8px}
  section.blq.gris .nota{background:#fff}

  .ficha{border-top:1px solid var(--linea);padding:26px 0}
  .ficha:first-of-type{border-top:0}
  .ficha .rot{font-family:var(--f-tit);font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--azul);margin-bottom:7px}
  .ficha h4{margin-bottom:8px}
  .ficha p{font-size:14.5px;color:var(--gris);margin-bottom:0}

  /* ---------- formulario ---------- */
  form .fila{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  label{display:block;font-family:var(--f-tit);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gris);margin:0 0 7px}
  input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--linea);border-radius:2px;font-family:var(--f-txt);font-size:14.5px;color:var(--tinta-2);background:#fff;margin-bottom:16px}
  input:focus,select:focus,textarea:focus{outline:2px solid var(--azul);outline-offset:-1px;border-color:var(--azul)}
  textarea{min-height:120px;resize:vertical}

  .datos{font-size:15px}
  .datos p{margin-bottom:8px}
  .datos strong{font-family:var(--f-tit);color:var(--tinta);font-weight:700}


  .faq h3{font-size:1.05rem;text-transform:none;letter-spacing:0;font-weight:700;margin:30px 0 8px;color:var(--tinta)}
  .faq h3:first-child{margin-top:8px}
  .faq p{font-size:14.5px;color:var(--gris);border-left:2px solid var(--linea);padding-left:18px}

  ol.pasos{counter-reset:pz;list-style:none;margin:0 0 20px;padding:0}
  ol.pasos li{counter-increment:pz;position:relative;padding-left:38px;margin-bottom:12px;font-size:14.5px;color:var(--gris);max-width:70ch}
  ol.pasos li::before{content:counter(pz);position:absolute;left:0;top:1px;width:24px;height:24px;display:grid;place-items:center;background:var(--azul);color:#fff;border-radius:50%;font-family:var(--f-tit);font-size:12px;font-weight:700}
  ol.pasos li b{color:var(--tinta-2);font-weight:600}

  /* ---------- pie ---------- */
  footer.pie{background:#1a1a1a;color:#9a9a9a;padding:60px 0 34px;font-size:13.5px}
  footer.pie img{height:34px;filter:brightness(0) invert(1);opacity:.9;margin-bottom:18px}
  footer.pie .rej{gap:40px}
  footer.pie h4{color:#fff;font-size:12px;text-transform:uppercase;letter-spacing:.13em;margin-bottom:14px}
  footer.pie a{color:#9a9a9a;display:block;margin-bottom:8px;font-size:13.5px}
  footer.pie a:hover{color:var(--azul)}
  footer.pie .abajo{border-top:1px solid #2e2e2e;margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#6e6e6e}

  /* ---------- paginas ---------- */
  .pag{display:none}
  .pag.viva{display:block}
  .encab{background:var(--fondo-2);border-bottom:1px solid var(--linea);padding:56px 0}
  .encab h1{font-size:clamp(1.7rem,3.6vw,2.5rem)}
  .encab p{color:var(--gris);font-size:1.02rem;margin-top:12px;margin-bottom:0}

  @media (max-width:900px){
    .rej.c4{grid-template-columns:repeat(2,1fr)}
    .rej.c3{grid-template-columns:1fr}
    .rej.c2{grid-template-columns:1fr}
  }
  @media (max-width:1120px){
    .hamb{display:block}
    nav.menu{position:fixed;inset:96px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 28px 26px;border-bottom:1px solid var(--linea);display:none;max-height:calc(100vh - 96px);overflow-y:auto}
    nav.menu.abre{display:flex}
    nav.menu a{padding:15px 0;border-bottom:1px solid var(--linea)}
    nav.menu a.cta{margin-top:14px;text-align:center;border:0}
    .top .env{min-height:76px}
    section.blq{padding:56px 0}
    .hero{padding:64px 0 60px}
    form .fila{grid-template-columns:1fr}
  }
  @media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}