/* ─────────────────────────────────────────────
   Tech Ideas, S.A. — techideasgt.com
   Sistema: editorial de ingeniería.
   Retícula visible · tipografía ancha · color quirúrgico.
   ───────────────────────────────────────────── */
:root{
  --blue:#4383F4; --blue-deep:#1E5DCC; --blue-wash:#EBF2FE;
  --pink:#E93373; --pink-wash:#FDEDF3;
  --ink:#0E1420; --ink-2:#18202F; --ink-3:#28324A;
  --paper:#FFFFFF; --paper-2:#F5F7FB;
  --gray:#5C6675; --gray-2:#909AAA; --gray-3:#B9C2CF;
  --line:#E3E8F1; --line-dark:#2A3346;
  --sans:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --display:"Archivo",var(--sans);
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --pad:clamp(1.25rem,5vw,6rem);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media screen and (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:1rem;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:800;line-height:1.02;letter-spacing:-.03em;margin:0}
p{margin:0}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.75rem 1.25rem;z-index:200}
.skip:focus{left:.5rem;top:.5rem}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:2px}

/* ── HEADER ───────────────────────────────── */
.hdr{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px) saturate(1.6);
  border-bottom:1px solid var(--line);
}
.hdr-in{display:flex;align-items:center;gap:1rem;height:64px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;margin-right:auto;flex-shrink:0}
.brand svg{width:26px;height:auto}
.brand b{font-family:var(--display);font-weight:800;font-size:1.02rem;letter-spacing:-.025em;font-stretch:105%}
.nav{display:none;gap:1.75rem}
.nav a{
  text-decoration:none;color:var(--gray);font-size:.83rem;font-weight:500;
  position:relative;padding-block:.35rem;transition:color .2s;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.2,.8,.3,1);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{transform:scaleX(1)}
.lang{
  display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;
  overflow:hidden;flex-shrink:0;background:var(--paper);
}
.lang a,.lang span{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.34rem .62rem;text-decoration:none;color:var(--gray);transition:.2s;
}
.lang .on{background:var(--ink);color:#fff}
.lang a:hover{color:var(--ink);background:var(--paper-2)}

@media screen and (min-width:900px){
  .hdr-in{height:76px}
  .nav{display:flex}
  .brand svg{width:30px}
}

/* ── HERO ─────────────────────────────────── */
.hero{position:relative;overflow:hidden;background:var(--paper);padding-block:clamp(3.5rem,10vw,7rem) clamp(3rem,7vw,5.5rem)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(120% 85% at 78% 12%,#000 0%,transparent 72%);
  mask-image:radial-gradient(120% 85% at 78% 12%,#000 0%,transparent 72%);
  opacity:.85;
}
.hero-in{position:relative;display:grid;gap:clamp(2.5rem,6vw,4rem)}
.eyebrow{display:flex;align-items:center;gap:.7rem;color:var(--gray);margin-bottom:1.5rem}
.eyebrow i{display:block;width:26px;height:3px;background:var(--blue);flex-shrink:0}
h1{
  font-size:clamp(2.3rem,7vw,4.5rem);font-stretch:110%;
  text-wrap:balance;margin-bottom:1.5rem;
}
h1 em{font-style:normal;color:var(--blue)}
h1 .pk{color:var(--pink)}
.lede{font-size:clamp(1.02rem,2.2vw,1.24rem);color:var(--gray);max-width:56ch;line-height:1.6}
.lede strong{color:var(--ink);font-weight:600}

.hero-art{display:none}
@media screen and (min-width:1000px){
  .hero-in{grid-template-columns:minmax(0,1fr) 300px;align-items:center}
  .hero-art{display:block;justify-self:end}
  .hero-art svg{width:280px;filter:drop-shadow(0 24px 48px rgba(67,131,244,.22))}
}

/* stats */
.stats{
  display:grid;grid-template-columns:1fr;gap:0;
  border-top:1px solid var(--ink);margin-top:clamp(2.5rem,6vw,3.5rem);
}
.stat{padding:1.35rem 0;border-bottom:1px solid var(--line)}
.stat b{
  display:block;font-family:var(--display);font-weight:800;font-stretch:108%;
  font-size:clamp(2rem,6vw,2.7rem);line-height:1;letter-spacing:-.035em;
}
.stat span{display:block;color:var(--gray);font-size:.85rem;margin-top:.4rem;max-width:30ch}
@media screen and (min-width:760px){
  .stats{grid-template-columns:repeat(3,1fr);gap:0}
  .stat{padding:1.6rem 1.75rem 1.7rem;border-bottom:none;border-left:1px solid var(--line)}
  .stat:first-child{padding-left:0;border-left:none}
}

/* ── SECCIONES ────────────────────────────── */
section{scroll-margin-top:82px}
.band{padding-block:clamp(3.5rem,9vw,6.5rem)}
.band--soft{background:var(--paper-2);border-block:1px solid var(--line)}
.sec-head{display:flex;align-items:baseline;gap:1rem;margin-bottom:clamp(2rem,5vw,3rem);border-top:2px solid var(--ink);padding-top:1rem}
.sec-num{font-family:var(--mono);font-size:.75rem;color:var(--blue-deep);font-weight:500;flex-shrink:0}
.sec-head h2{font-size:clamp(1.65rem,4.4vw,2.6rem);font-stretch:108%;text-wrap:balance}

/* pilares */
.pillars{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.pillar{background:var(--paper);padding:clamp(1.5rem,4vw,2.25rem)}
.pillar .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--gray);display:block;margin-bottom:1.4rem}
.pillar h3{font-size:1.28rem;font-stretch:106%;margin-bottom:.7rem;letter-spacing:-.02em}
.pillar p{color:var(--gray);font-size:.95rem}
.pillar i.bar{display:block;width:34px;height:4px;background:var(--blue);margin-bottom:1.1rem}
.pillar:nth-child(2) i.bar{background:var(--pink)}
.pillar:nth-child(3) i.bar{background:var(--ink)}
@media screen and (min-width:820px){.pillars{grid-template-columns:repeat(3,1fr)}}

/* ── MARCAS ───────────────────────────────── */
.brandcard{
  background:var(--paper);border:1px solid var(--line);
  padding:clamp(1.6rem,4.5vw,2.75rem);margin-bottom:1.25rem;position:relative;overflow:hidden;
}
.brandcard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--blue)}
.brandcard--slash::before{background:linear-gradient(180deg,#00A5D6 0%,#C4136B 25%,#F5B301 55%,#5B4A9E 80%,#8CC63E 100%)}
.bc-top{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.5rem;margin-bottom:1.35rem}
.bc-logo{height:34px;width:auto;flex-shrink:0}
.bc-logo--slash{height:32px}
.bc-lede{font-size:clamp(1.02rem,2.3vw,1.16rem);color:var(--ink);max-width:62ch;line-height:1.55;font-weight:500}
.bc-body{color:var(--gray);font-size:.95rem;max-width:62ch;margin-top:.85rem}
.lines{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:1.9rem}
.line{background:var(--paper-2);padding:1.15rem 1.25rem}
.line b{display:block;font-family:var(--display);font-weight:700;font-size:1rem;letter-spacing:-.015em;margin-bottom:.3rem}
.line span{color:var(--gray);font-size:.88rem;line-height:1.5;display:block}
@media screen and (min-width:780px){.lines{grid-template-columns:repeat(2,1fr)}}
@media screen and (min-width:1080px){.lines{grid-template-columns:repeat(4,1fr)}}
.visit{
  display:inline-flex;align-items:center;gap:.55rem;margin-top:1.6rem;
  font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  text-decoration:none;color:var(--blue-deep);border-bottom:1px solid currentColor;padding-bottom:.2rem;
  transition:gap .25s ease;
}
.visit:hover{gap:.95rem}

/* ── TRAYECTORIA ──────────────────────────── */
.tl{position:relative;display:grid;gap:0;border-left:2px solid var(--line);padding-left:1.5rem}
.tl-item{position:relative;padding-bottom:2.2rem}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:calc(-1.5rem - 7px);top:.42rem;
  width:12px;height:12px;background:var(--blue);border:3px solid var(--paper-2);
}
.tl-item:last-child::before{background:var(--pink)}
.tl-yr{font-family:var(--mono);font-size:.9rem;font-weight:500;color:var(--blue-deep);display:block;margin-bottom:.3rem}
.tl-item h3{font-size:1.12rem;font-stretch:105%;margin-bottom:.35rem;letter-spacing:-.02em}
.tl-item p{color:var(--gray);font-size:.93rem;max-width:58ch}
@media screen and (min-width:900px){
  .tl{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));border-left:none;border-top:2px solid var(--line);padding-left:0;padding-top:2rem;gap:1.75rem}
  .tl-item{padding-bottom:0;padding-right:1rem}
  .tl-item::before{left:0;top:calc(-2rem - 7px)}
}

/* ── FAQ (AEO) ────────────────────────────── */
.faq{display:grid;gap:1px;background:var(--line);border-block:1px solid var(--line)}
.faq details{background:var(--paper);}
.faq summary{
  cursor:pointer;list-style:none;padding:1.25rem 2.75rem 1.25rem 0;position:relative;
  font-family:var(--display);font-weight:700;font-size:1.02rem;letter-spacing:-.018em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:.5rem;top:1.6rem;width:11px;height:11px;
  border-right:2px solid var(--blue);border-bottom:2px solid var(--blue);
  transform:rotate(45deg);transition:transform .25s;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .ans{padding:0 0 1.4rem;color:var(--gray);font-size:.95rem;max-width:70ch}

/* ── CONTACTO (bloque oscuro) ─────────────── */
.dark{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(100% 70% at 15% 0%,#000,transparent 70%);
  mask-image:radial-gradient(100% 70% at 15% 0%,#000,transparent 70%);
}
.dark .wrap{position:relative}
.dark .sec-head{border-top-color:#fff}
.dark .sec-num{color:var(--blue)}
.contact{display:grid;gap:2.5rem}
@media screen and (min-width:900px){.contact{grid-template-columns:1.05fr 1fr;gap:4rem}}
.legal-name{font-family:var(--mono);font-size:.78rem;letter-spacing:.13em;color:var(--blue);margin-bottom:1.1rem}
.contact h2{font-size:clamp(1.7rem,4.6vw,2.5rem);font-stretch:108%;margin-bottom:1.1rem;color:#fff}
.contact .sub{color:var(--gray-3);max-width:46ch;font-size:1rem}
.dl{display:grid;gap:0;margin-top:.25rem}
.dl div{padding:1.05rem 0;border-bottom:1px solid var(--line-dark);display:grid;grid-template-columns:88px 1fr;gap:1rem;align-items:baseline}
.dl div:first-child{border-top:1px solid var(--line-dark)}
.dl dt{font-family:var(--mono);font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;color:var(--gray-2)}
.dl dd{margin:0;font-size:.97rem;color:#EEF1F6;line-height:1.5}
.dl dd a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35);transition:border-color .2s}
.dl dd a:hover{border-bottom-color:var(--blue)}
.dl dd small{display:block;color:var(--gray-2);font-size:.8rem;margin-top:.2rem;font-family:var(--mono);letter-spacing:.04em}

/* ── FOOTER ───────────────────────────────── */
.ft{background:var(--ink-2);color:var(--gray-2);padding-block:2rem;border-top:1px solid var(--line-dark)}
.ft-in{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;justify-content:space-between;font-size:.8rem}
.ft a{color:var(--gray-3);text-decoration:none}
.ft a:hover{color:#fff}
.ft-brands{display:flex;gap:1.25rem;align-items:center}

/* ── REVEAL ───────────────────────────────── */
/* El estado oculto SOLO se aplica si JS corre (html.js lo marca inline en el head).
   Sin JS el contenido se ve tal cual: la animación nunca puede esconder la página. */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.js .rv.in{opacity:1;transform:none}
@media screen and (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}}

/* entrada del hero */
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@media screen and (prefers-reduced-motion:no-preference){
  .js .hero .eyebrow{animation:rise .7s .05s both cubic-bezier(.2,.8,.3,1)}
  .js .hero h1{animation:rise .8s .14s both cubic-bezier(.2,.8,.3,1)}
  .js .hero .lede{animation:rise .8s .26s both cubic-bezier(.2,.8,.3,1)}
  .js .hero-art{animation:rise .9s .34s both cubic-bezier(.2,.8,.3,1)}
  .js .hero .stats{animation:rise .8s .42s both cubic-bezier(.2,.8,.3,1)}
  .js .hero-art .b1{animation:grow .7s .5s both cubic-bezier(.2,.8,.3,1);transform-origin:left center}
  .js .hero-art .b2{animation:grow2 .7s .66s both cubic-bezier(.2,.8,.3,1);transform-origin:center top}
  .js .hero-art .b3{animation:grow2 .7s .8s both cubic-bezier(.2,.8,.3,1);transform-origin:center top}
}
@keyframes grow{from{transform:scaleX(0)}to{transform:none}}
@keyframes grow2{from{transform:scaleY(0)}to{transform:none}}

@media print{
  .js .rv{opacity:1;transform:none}
  .hdr,.hero::before,.dark::before,.visit{display:none}
  body{color:#000;background:#fff}
  .rv{opacity:1;transform:none}
}