:root{
  --paper:#EFEFF7; --ink:#131324; --blue:#4342FD; --blue-2:#8F8EFF; --blue-deep:#0810E7; --aqua:#7FE7E0;
  --soft:#55565F; --line:#DCDCE8; --white:#fff;
  --gut:clamp(20px,4vw,64px); --max:1280px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);overflow-x:hidden;
  font-family:"Satoshi",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-weight:400;-webkit-font-smoothing:antialiased;line-height:1.55}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}

.page{position:relative}
main#page{position:relative}
#ribbon{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.88}
.wrap{position:relative;z-index:1;padding:0 var(--gut);max-width:var(--max);margin:0 auto}

/* ---------- header ---------- */
.bar{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;
  justify-content:space-between;
  padding-block:clamp(14px,1.8vw,22px);
  padding-inline:max(var(--gut), calc((100vw - var(--max))/2 + var(--gut)))}
.bar::before{content:"";position:absolute;inset:0;background:var(--paper);
  opacity:0;transition:opacity .3s ease;z-index:-1;
  box-shadow:0 1px 0 rgba(12,12,40,.07)}
.bar.scrolled::before{opacity:.97}
.bar.onblue::before{background:var(--blue);box-shadow:0 1px 0 rgba(255,255,255,.14)}
.mark{display:flex;align-items:center;gap:clamp(7px,.7vw,10px);text-decoration:none;line-height:0}
.mark img{width:auto;display:block}
.mark .iso,.mark .iso-w{height:clamp(28px,2.5vw,35px)}
.mark .word,.mark .word-w{height:clamp(15px,1.4vw,19px)}
.mark .iso-w,.mark .word-w{display:none}
.bar.onblue .mark .iso,.bar.onblue .mark .word{display:none}
.bar.onblue .mark .iso-w,.bar.onblue .mark .word-w{display:block}
.navline{display:flex;gap:8px;align-items:center}
.chip{background:var(--white);border:0;border-radius:999px;padding:11px 20px;
  font:500 13.5px/1 "Satoshi",sans-serif;color:var(--ink);cursor:pointer;text-decoration:none;
  display:inline-flex;align-items:center;gap:9px;box-shadow:0 1px 2px rgba(12,12,14,.07);
  transition:background .22s cubic-bezier(.2,.6,.2,1),color .22s,transform .22s}
.chip:hover{transform:translateY(-1px)}
.chip.dark{background:var(--ink);color:var(--white)}
.chip.dark:hover{background:#24242c}
.chip b{width:6px;height:6px;border-radius:50%;background:var(--aqua);display:block;flex:none}
.bar.onblue .chip{background:var(--white);color:var(--blue)}
.bar.onblue .chip b{background:var(--blue)}
.bar.onblue .chip.dark{background:var(--ink);color:var(--white)}
.bar.onblue .chip.dark b{background:var(--aqua)}

/* menu desplegable */
.menu{position:fixed;top:72px;right:max(var(--gut), calc((100vw - var(--max))/2 + var(--gut)));z-index:41;
  background:var(--white);border-radius:18px;padding:12px;width:min(300px,calc(100vw - 2*var(--gut)));
  box-shadow:0 30px 60px -24px rgba(12,12,40,.35);display:none}
.menu.open{display:block;animation:pop .22s cubic-bezier(.2,.7,.3,1)}
@keyframes pop{from{opacity:0;transform:translateY(-8px) scale(.98)}to{opacity:1;transform:none}}
.menu a{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;text-decoration:none;font-weight:500;font-size:15px;
  transition:background .18s}
.menu a:hover,.menu a[aria-current="page"]{background:#F1F1F9}
.menu a span{width:6px;height:6px;border-radius:50%;background:var(--blue);opacity:0}
.menu a[aria-current="page"] span{opacity:1}

/* ---------- tipografia ---------- */
h1{font-weight:900;letter-spacing:-.04em;line-height:.92;font-size:clamp(2.5rem,7.4vw,6.6rem)}
h2{font-weight:900;letter-spacing:-.038em;line-height:.95;font-size:clamp(2rem,4.8vw,4.2rem)}
h3{font-weight:700;letter-spacing:-.02em;line-height:1.15;font-size:clamp(1.15rem,1.8vw,1.6rem)}
p{font-size:clamp(15.5px,1.1vw,18px);line-height:1.62;color:var(--soft)}
.row h3,.row p,.row .go,.step h3,.step p,.sec>.two p,.sec>.two h2,.lede,.crumb{
  text-shadow:0 0 8px var(--paper),0 0 16px var(--paper),0 0 24px var(--paper)}
.blue .eyebrow,.blue .alt{text-shadow:none}
.lede{font-size:clamp(16px,1.3vw,20px);color:var(--soft);max-width:52ch}
.ink{color:var(--ink)}

/* ---------- hero ---------- */
.hero{min-height:88svh;display:flex;flex-direction:column;justify-content:center;
  padding:16vh 0 clamp(40px,6vw,90px)}
.hero h1{max-width:13ch}
.hero .lede{margin-top:clamp(24px,3vw,40px)}
.hero .cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:clamp(28px,3.4vw,44px)}
.hero-sm{min-height:auto;padding:min(24vh,190px) 0 clamp(40px,5vw,76px)}
.hero-sm h1{font-size:clamp(2.2rem,5.6vw,4.8rem);max-width:15ch}

/* ---------- secciones ---------- */
.sec{padding:clamp(64px,10vw,150px) 0}
.sec-tight{padding:clamp(44px,6vw,90px) 0}
.two{display:grid;grid-template-columns:1fr;gap:clamp(24px,3vw,56px)}
@media(min-width:900px){.two{grid-template-columns:1.05fr .95fr;align-items:start}}
.two p{max-width:46ch}
.two h2+p,.two h3+p{margin-top:clamp(14px,1.6vw,22px)}

/* lista de items (sin cards con iconito) */
.rows{border-top:1px solid var(--line);margin-top:clamp(28px,3.6vw,52px)}
.row{border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr;gap:6px;
  padding:clamp(20px,2.4vw,30px) 0;text-decoration:none;position:relative;
  transition:padding-left .3s cubic-bezier(.2,.6,.2,1)}
@media(min-width:860px){.row{grid-template-columns:minmax(0,34%) 1fr auto;gap:28px;align-items:baseline}}
.row:hover{padding-left:14px}
.row::before{content:"";position:absolute;left:0;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--blue);transform:translate(-14px,-50%) scale(0);transition:transform .3s cubic-bezier(.2,.6,.2,1)}
.row:hover::before{transform:translate(0,-50%) scale(1)}
.row h3{margin:0}
.row p{margin:0;font-size:15.5px}
.row .go{font-size:13.5px;color:var(--blue);font-weight:500;white-space:nowrap}

/* bloque que se abre */
.opener{perspective:1500px;margin-top:clamp(34px,4.6vw,76px)}
.panel{border-radius:18px;overflow:hidden;background:#0C0C0E;max-width:1020px;margin:0 auto;
  transform-origin:50% 0%;will-change:transform,opacity;
  box-shadow:0 48px 100px -46px rgba(12,12,50,.55)}
.panel-ui{display:grid;grid-template-columns:168px 1fr;min-height:clamp(260px,34vw,440px);color:#fff}
.panel-ui .side{background:#121219;padding:20px 16px;display:flex;flex-direction:column;gap:11px}
.panel-ui .side i{height:8px;border-radius:5px;background:#24242f;display:block}
.panel-ui .side i.on{background:var(--blue);width:86%}
.panel-ui .main{padding:22px 24px;display:flex;flex-direction:column;gap:13px}
.panel-ui .k{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.panel-ui .k div{height:62px;border-radius:12px;background:#15151d;border:1px solid #222230}
.panel-ui .k div:first-child{background:linear-gradient(140deg,var(--blue),var(--blue-2));border-color:transparent}
.panel-ui .bars{display:flex;align-items:flex-end;gap:8px;height:clamp(90px,11vw,150px)}
.panel-ui .bars i{flex:1;border-radius:6px 6px 0 0;background:#1e1e27;display:block}
.panel-ui .bars i.aq{background:var(--aqua)}
.panel-ui .bars i.bl{background:var(--blue)}
.panel-ui .lines{display:flex;flex-direction:column;gap:8px}
.panel-ui .lines i{height:8px;border-radius:5px;background:#1c1c25;display:block}

/* numeros de proceso (si el contenido es secuencia) */
.steps{counter-reset:s;margin-top:clamp(30px,4vw,60px);border-top:1px solid var(--line)}
.step{counter-increment:s;border-bottom:1px solid var(--line);padding:clamp(22px,2.6vw,34px) 0;
  display:grid;grid-template-columns:1fr;gap:8px}
@media(min-width:860px){.step{grid-template-columns:70px minmax(0,30%) 1fr;gap:28px;align-items:baseline}}
.step::before{content:counter(s,decimal-leading-zero);font-weight:700;font-size:14px;color:var(--blue)}
.step p{margin:0}

/* formularios */
.form{display:grid;gap:14px;max-width:560px;background:rgba(255,255,255,.72);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid rgba(12,12,40,.05);border-radius:20px;padding:clamp(20px,2.4vw,30px)}
.form .btn{margin-top:2px}
.field{display:grid;gap:7px}
.field label{font-size:13.5px;font-weight:500}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:12px;
  background:var(--white);padding:13px 15px;font:400 16px/1.4 "Satoshi",sans-serif;color:var(--ink)}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:transparent}
.help{font-size:12.5px;color:var(--soft)}
.btn{background:var(--ink);color:var(--white);border:0;border-radius:999px;padding:15px 28px;
  font:500 15px/1 "Satoshi",sans-serif;cursor:pointer;display:inline-flex;align-items:center;gap:10px;
  justify-self:start;transition:background .22s}
.btn:hover{background:#24242c}
.btn[disabled]{opacity:.5;cursor:default}
.btn b{width:6px;height:6px;border-radius:50%;background:var(--aqua);display:block}
.msg{font-size:14px;padding:12px 15px;border-radius:12px;display:none}
.msg.ok{display:block;background:#E6F7F2;color:#0E6B55}
.msg.err{display:block;background:#FDECEC;color:#9B1C1C}

/* pantalla azul */
.blue{background:var(--blue);color:var(--white);padding:clamp(70px,12vw,150px) 0;
  position:relative;overflow:hidden;margin-top:clamp(60px,9vw,130px)}
.blue .wrap{display:flex;flex-direction:column;align-items:center;text-align:center;gap:22px}
.blue .eyebrow{font-size:13.5px;opacity:.88}
#words{width:100%;max-width:1000px;height:clamp(150px,26vw,300px);display:block}
.blue .chip{background:var(--white);color:var(--blue)}
.blue .chip b{background:var(--blue)}
.blue .alt{font-size:14.5px;opacity:.9}
.blue .alt a{color:var(--white)}

/* footer */
.foot{background:var(--ink);color:#C9C9D4;padding:clamp(50px,7vw,90px) 0 clamp(34px,4vw,52px)}
.foot .wrap{display:grid;gap:34px}
@media(min-width:800px){.foot .wrap{grid-template-columns:1.4fr 1fr 1fr}}
.foot h4{font-size:13px;font-weight:500;color:#76768A;margin-bottom:14px}
.foot ul{list-style:none;display:grid;gap:9px}
.foot a{color:#C9C9D4;text-decoration:none;font-size:15px}
.foot a:hover{color:#fff}
.foot .fmark{height:26px;width:auto;display:block;margin-bottom:16px}
.foot .fnote{font-size:14px;color:#76768A;max-width:34ch}
.foot .base{border-top:1px solid #1E1E26;margin-top:clamp(34px,4vw,56px);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:space-between;font-size:13px;color:#6B6B7E}

.crumb{font-size:13.5px;color:var(--soft);margin-bottom:18px}
.crumb a{text-decoration:none;color:var(--soft)}
.crumb a:hover{color:var(--ink)}

.post{max-width:68ch}
.post h2{font-size:clamp(1.5rem,2.4vw,2.1rem);margin:clamp(34px,4vw,54px) 0 14px}
.post p+p{margin-top:16px}
.post ul{margin:14px 0 0 20px;color:var(--soft)}
.post li{margin-bottom:8px}
.meta{font-size:13.5px;color:var(--soft);margin-top:14px}

.cards{display:grid;gap:18px;margin-top:clamp(28px,3.4vw,48px)}
@media(min-width:760px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--white);border-radius:16px;padding:24px;text-decoration:none;display:flex;
  flex-direction:column;gap:10px;transition:transform .25s cubic-bezier(.2,.6,.2,1)}
.card:hover{transform:translateY(-3px)}
.card h3{font-size:1.15rem}
.card p{font-size:15px;margin:0}
.card .go{font-size:13.5px;color:var(--blue);font-weight:500;margin-top:auto;padding-top:8px}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .panel{transform:none!important;opacity:1!important}
}