:root{
  --ink:#0A0E13;
  --panel:#111922;
  --line:rgba(255,255,255,.09);
  --txt:#EAF0F6;
  --txt-dim:#8CA0B3;
  --blue:#2E9BC9;
  --blue-deep:#17607F;
  --amber:#F2B33D;
  --display:'Space Grotesk',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:84px}
body{
  background:var(--ink);color:var(--txt);font-family:var(--body);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue);display:block;margin-bottom:14px;
}
h1,h2,h3{font-family:var(--display);line-height:1.12;font-weight:700;letter-spacing:-.02em}

/* ---------- NAV ---------- */
header{
  position:sticky;top:0;z-index:50;background:rgba(10,14,19,.82);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;line-height:0}
.brand img{height:26px;width:auto;display:block}
.brand-foot{height:30px;width:auto;display:block;margin-bottom:16px}
.nav ul{display:flex;gap:28px;list-style:none}
.nav a{color:var(--txt-dim);text-decoration:none;font-size:.93rem;transition:color .2s}
.nav a:hover{color:var(--txt)}
.btn{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--body);font-weight:600;
  font-size:.93rem;text-decoration:none;padding:12px 22px;border-radius:2px;transition:.2s;
}
.btn-solid{background:#146E9B;color:#fff;font-weight:600}
.btn-solid:hover{background:#17607F;transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.nav .btn{padding:10px 18px}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--txt);padding:8px 12px;border-radius:2px;font-family:var(--mono);font-size:.8rem;cursor:pointer}

/* ---------- HERO ---------- */
.hero{padding:96px 0 80px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(600px 380px at 78% 18%, rgba(46,155,201,.16), transparent 70%),
    radial-gradient(420px 300px at 8% 82%, rgba(242,179,61,.06), transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.3rem,4.6vw,3.6rem);margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p.lead{font-size:1.1rem;color:var(--txt-dim);max-width:34em;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{
  display:flex;gap:26px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.78rem;color:var(--txt-dim);letter-spacing:.04em;
}
.hero-meta b{color:var(--txt);font-weight:500}

/* ---------- SIGNATURE: diagrama de integración ---------- */
.diagram{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:22px}
.diagram-head{
  display:flex;justify-content:space-between;font-family:var(--mono);font-size:.7rem;
  color:var(--txt-dim);letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;
}
.diagram svg{width:100%;height:auto;display:block}
.node rect{fill:#0C141C;stroke:var(--line)}
.node text{font-family:var(--mono);font-size:11px;fill:var(--txt)}
.node .sub{font-size:8.5px;fill:var(--txt-dim);letter-spacing:.08em}
.core rect{fill:#0E2531;stroke:var(--blue)}
.core text{fill:var(--blue)}
.link{stroke:var(--line);stroke-width:1.2;fill:none}
.pulse{stroke:var(--blue);stroke-width:1.6;fill:none;stroke-dasharray:6 92;animation:flow 3.2s linear infinite}
.pulse.b{animation-delay:.8s;stroke:var(--amber)}
.pulse.c{animation-delay:1.6s}
.pulse.d{animation-delay:2.4s;stroke:var(--amber)}
@keyframes flow{to{stroke-dashoffset:-196}}

/* ---------- SECCIONES ---------- */
section{padding:88px 0}
.sec-head{max-width:640px;margin-bottom:48px}
.sec-head h2{font-size:clamp(1.8rem,3.2vw,2.5rem);margin-bottom:14px}
.sec-head p{color:var(--txt-dim)}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.card{background:var(--ink);padding:32px 26px;transition:background .25s}
.card:hover{background:var(--panel)}
.card .ico{color:var(--blue);margin-bottom:18px;display:block}
.card h3{font-size:1.12rem;margin-bottom:8px}
.card p{font-size:.92rem;color:var(--txt-dim)}

.services{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.svc-list{display:grid;grid-template-columns:1fr 1fr;gap:0}
.svc{display:flex;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}
.svc:nth-child(odd){padding-right:40px}
.svc-n{font-family:var(--mono);font-size:.78rem;color:var(--blue);padding-top:4px}
.svc h3{font-size:1.05rem;margin-bottom:6px}
.svc p{font-size:.92rem;color:var(--txt-dim)}

.stack{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.chip{
  font-family:var(--mono);font-size:.78rem;color:var(--txt-dim);
  border:1px solid var(--line);padding:8px 14px;border-radius:2px;
}
.chip b{color:var(--txt);font-weight:500}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}

/* ---------- CTA / CONTACTO ---------- */
.cta{border-top:1px solid var(--line);background:
  radial-gradient(700px 300px at 50% 0%, rgba(46,155,201,.12), transparent 70%);}
.cta-box{text-align:center;max-width:680px;margin:0 auto}
.cta-box h2{font-size:clamp(1.9rem,3.4vw,2.6rem);margin-bottom:14px}
.cta-box p{color:var(--txt-dim);margin-bottom:30px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

footer{border-top:1px solid var(--line);padding:52px 0 34px;font-size:.9rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;margin-bottom:34px}
.foot h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--txt-dim);margin-bottom:14px;font-weight:500}
.foot a{color:var(--txt);text-decoration:none;display:block;margin-bottom:8px}
.foot a:hover{color:var(--blue)}
.foot p{color:var(--txt-dim);margin-bottom:8px}
.uy{margin-top:24px;color:var(--txt-dim);font-size:.82rem;max-width:320px}
.uy img{height:44px;width:auto;display:block;margin-bottom:12px;opacity:.92}
.uy b{color:var(--txt);font-weight:600}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;color:var(--txt-dim);font-size:.82rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

@media (max-width:900px){
  .hero-grid,.split{grid-template-columns:1fr;gap:40px}
  .cards{grid-template-columns:1fr 1fr}
  .svc-list{grid-template-columns:1fr}
  .svc:nth-child(odd){padding-right:0}
  .foot{grid-template-columns:1fr 1fr}
  .nav ul{display:none}
  .nav .btn{display:none}
  .menu-btn{display:block}
  .nav ul.open{
    display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;
    background:var(--ink);border-bottom:1px solid var(--line);padding:18px 24px;gap:16px;
  }
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  section{padding:64px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}
/* ============ PÁGINAS INTERNAS ============ */
.page-hero{padding:72px 0 40px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(700px 320px at 20% 0%, rgba(46,155,201,.13), transparent 70%)}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);max-width:16em;margin-bottom:16px}
.page-hero p{color:var(--txt-dim);font-size:1.05rem;max-width:44em}

.prose{max-width:62ch}
.prose h3{font-size:1.15rem;margin:36px 0 10px}
.prose p{color:var(--txt-dim);margin-bottom:16px}
.prose strong{color:var(--txt);font-weight:600}

.rail{position:sticky;top:100px;border-left:1px solid var(--line);padding-left:24px}
.rail h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--txt-dim);margin-bottom:14px;font-weight:500}
.rail li{list-style:none;margin-bottom:10px;font-size:.9rem;color:var(--txt-dim)}
.rail li b{color:var(--txt);font-weight:500;display:block}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.cbox{border:1px solid var(--line);padding:26px;margin-bottom:16px;transition:border-color .2s}
.cbox:hover{border-color:var(--blue)}
.cbox h3{font-size:1rem;margin-bottom:6px}
.cbox a{color:var(--blue);text-decoration:none;font-size:1.05rem;word-break:break-word}
.cbox a:hover{text-decoration:underline}
.cbox p{color:var(--txt-dim);font-size:.9rem;margin-top:4px}
.map{border:1px solid var(--line);width:100%;height:340px;filter:grayscale(.35) contrast(1.05)}
.social{display:flex;gap:12px;margin-top:6px}
.social a{width:42px;height:42px;border:1px solid var(--line);display:flex;align-items:center;
  justify-content:center;color:var(--txt-dim);transition:.2s;text-decoration:none}
.social a:hover{border-color:var(--blue);color:var(--blue)}
.note{font-family:var(--mono);font-size:.75rem;color:var(--txt-dim);letter-spacing:.04em}

.nav a.active{color:var(--txt)}
.nav a.active::after{content:"";display:block;height:1px;background:var(--blue);margin-top:4px}

@media (max-width:900px){
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .rail{position:static;border-left:0;border-top:1px solid var(--line);
    padding-left:0;padding-top:24px;margin-top:32px}
}