/* =========================================================
   UiHost — Landing 2026
   Sistema de diseño: minimal / Apple. Grafito + azul.
   ========================================================= */

:root{
  --ink:#1D1D1F;
  --ink-2:#6E6E73;
  --ink-3:#86868B;
  --bg:#FFFFFF;
  --bg-2:#F5F5F7;
  --bg-3:#FBFBFD;
  --line:#E6E6EA;
  --line-2:#D2D2D7;
  --blue:#0071E3;
  --blue-2:#0A84FF;
  --blue-ink:#0058B0;
  --glass-a:#3A3A41;
  --glass-b:#0D0D10;

  --font-sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter",system-ui,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --maxw:1180px;
  --radius:22px;
  --radius-lg:28px;
  --radius-sm:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}

/* Lenis */
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--blue-ink);
  display:inline-flex;align-items:center;gap:.55rem;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}

h1,h2,h3{letter-spacing:-.03em;font-weight:600;line-height:1.05}
.h-sec{font-size:clamp(2rem,4.6vw,3.4rem);max-width:18ch}
.lead{font-size:clamp(1.05rem,1.7vw,1.35rem);color:var(--ink-2);font-weight:400;letter-spacing:-.01em;line-height:1.5}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:980px;
  font-size:.98rem;font-weight:500;letter-spacing:-.01em;
  transition:transform .25s var(--ease),background .25s var(--ease),opacity .25s var(--ease),color .25s var(--ease);
  will-change:transform;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#000}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-2)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--ink);background:var(--bg-2)}
.btn-arrow i,.btn-arrow .ar{transition:transform .25s var(--ease)}
.btn:hover .ar{transform:translateX(3px)}
.link-blue{color:var(--blue-ink);font-weight:500;display:inline-flex;align-items:center;gap:.35rem}
.link-blue .ar{transition:transform .25s var(--ease)}
.link-blue:hover .ar{transform:translateX(3px)}

/* ---------- Navbar ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:.6rem;font-size:1.18rem;letter-spacing:-.03em}
.brand svg{width:30px;height:30px}
.brand b{font-weight:700}.brand span{font-weight:500}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{font-size:.92rem;color:var(--ink-2);font-weight:450;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:1rem}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;font-size:1.4rem;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{padding:148px 0 90px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.5rem,6vw,4.6rem);font-weight:600;letter-spacing:-.04em}
.hero h1 .grad{
  background:linear-gradient(100deg,var(--blue) 0%,var(--blue-2) 60%,#5E5CE6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:1.4rem;max-width:32ch}
.hero-actions{margin-top:2.1rem;display:flex;gap:.8rem;flex-wrap:wrap}
.hero-trust{margin-top:2.4rem;display:flex;align-items:center;gap:1.2rem;color:var(--ink-3);font-size:.85rem}
.hero-trust .dot{width:4px;height:4px;border-radius:50%;background:var(--line-2)}

/* Hero visual: grafo de integración */
.hero-visual{position:relative;aspect-ratio:1/1;max-width:440px;margin-left:auto;width:100%}
.hero-visual svg{width:100%;height:100%;overflow:visible}
.node-core{transform-origin:center;transform-box:fill-box}
.pulse{transform-origin:center;transform-box:fill-box}

/* ---------- Metrics ---------- */
.metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-3)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.metric{background:var(--bg-3);padding:38px 28px;text-align:center}
.metric .num{font-size:clamp(2rem,3.6vw,2.9rem);font-weight:600;letter-spacing:-.04em}
.metric .num .u{color:var(--blue)}
.metric .lbl{margin-top:.4rem;color:var(--ink-2);font-size:.92rem}

/* ---------- Section shells ---------- */
.section{padding:clamp(72px,10vw,128px) 0}
.section-head{max-width:62ch;margin-bottom:56px}
.section-head .lead{margin-top:1.1rem}

/* ---------- Propuesta / Quiénes ---------- */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.value-card:hover{transform:translateY(-4px);box-shadow:0 18px 50px rgba(20,20,30,.08);border-color:var(--line-2)}
.value-ico{width:48px;height:48px;border-radius:13px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--blue-ink);margin-bottom:18px}
.value-card h3{font-size:1.22rem;margin-bottom:.5rem}
.value-card p{color:var(--ink-2);font-size:.96rem}

/* ---------- Trabajos ---------- */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.work-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--bg);
  padding:28px;min-height:248px;display:flex;flex-direction:column;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s;
}
.work-card:hover{transform:translateY(-5px);box-shadow:0 24px 60px rgba(20,20,30,.10);border-color:var(--line-2)}
.work-card.feature{grid-column:span 2;background:linear-gradient(160deg,#101014,#1d1d22);border-color:#26262c;color:#fff;flex-direction:row;align-items:center;gap:34px;overflow:hidden}
.work-card.feature .feature-copy{flex:1;min-width:0;display:flex;flex-direction:column}
.work-card.feature .feature-visual{flex:1.05;min-width:0}
.work-card.feature .feature-visual img{width:100%;height:auto;border-radius:12px}
.work-tag{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3)}
.work-card.feature .work-tag{color:#8E8E96}
.work-card h3{font-size:1.35rem;margin:.9rem 0 .5rem;letter-spacing:-.03em}
.work-card.feature h3{font-size:1.9rem}
.work-card p{color:var(--ink-2);font-size:.95rem;flex:1}
.work-card.feature p{color:#B9B9C0;max-width:46ch}
.work-meta{margin-top:18px;display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
.chip{font-size:.74rem;font-weight:500;padding:.28rem .62rem;border-radius:980px;background:var(--bg-2);color:var(--ink-2)}
.work-card.feature .chip{background:rgba(255,255,255,.1);color:#D5D5DA}
.work-card.feature .chip.live{background:rgba(10,132,255,.22);color:#6BB8FF}
.work-link{margin-top:16px;font-size:.9rem;color:var(--blue-ink);font-weight:500;display:inline-flex;gap:.35rem;align-items:center}
.work-card.feature .work-link{color:#6BB8FF}

/* ---------- Proceso ---------- */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.proc-step{position:relative;padding-top:30px}
.proc-step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-mono);font-size:.85rem;color:var(--blue);font-weight:600;
  position:absolute;top:0;left:0;
}
.proc-step::after{content:"";position:absolute;top:6px;left:42px;right:-11px;height:1px;background:var(--line)}
.proc-step:last-child::after{display:none}
.proc-step h3{font-size:1.12rem;margin-bottom:.5rem;letter-spacing:-.02em}
.proc-step p{color:var(--ink-2);font-size:.92rem}

/* ---------- Servicios ---------- */
.serv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--line)}
.serv{background:var(--bg);padding:30px;display:flex;gap:18px;transition:background .3s}
.serv:hover{background:var(--bg-3)}
.serv .si{width:44px;height:44px;flex-shrink:0;border-radius:12px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--blue-ink)}
.serv h3{font-size:1.08rem;margin-bottom:.35rem;letter-spacing:-.02em}
.serv p{color:var(--ink-2);font-size:.92rem}

/* ---------- Testimonios ---------- */
.testi-wrap{background:var(--bg-2)}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.testi{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
.testi .q{font-size:1.05rem;letter-spacing:-.01em;line-height:1.55;flex:1}
.testi .by{margin-top:22px;display:flex;align-items:center;gap:.8rem}
.testi .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#5E5CE6);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1rem}
.testi .by .nm{font-weight:550;font-size:.92rem}
.testi .by .ro{color:var(--ink-3);font-size:.82rem}
.stars{color:var(--blue);font-size:.8rem;letter-spacing:.1em;margin-bottom:14px}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:26px 4px;text-align:left;font-size:1.12rem;font-weight:500;letter-spacing:-.02em}
.faq-q .pm{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--ink-2);transition:transform .35s var(--ease),background .3s,color .3s,border-color .3s}
.faq-item.open .faq-q .pm{transform:rotate(45deg);background:var(--ink);color:#fff;border-color:var(--ink)}
.faq-a{overflow:hidden;height:0;transition:height .4s var(--ease)}
.faq-a-inner{padding:0 4px 26px;color:var(--ink-2);font-size:1rem;max-width:68ch}

/* ---------- CTA final ---------- */
.cta{padding:clamp(64px,8vw,104px) 0}
.cta-box{
  background:linear-gradient(155deg,#0a0a0d 0%,#15151b 55%,#0d1b30 100%);
  border-radius:var(--radius-lg);padding:clamp(40px,6vw,80px);text-align:center;color:#fff;
  position:relative;overflow:hidden;
}
.cta-box h2{font-size:clamp(1.9rem,4.2vw,3rem);font-weight:600;letter-spacing:-.04em;max-width:20ch;margin:0 auto}
.cta-box p{color:#B9B9C0;margin-top:1rem;font-size:1.1rem}
.cta-actions{margin-top:2.2rem;display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}
.cta-box .glow{position:absolute;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(10,132,255,.35),transparent 60%);top:-180px;right:-120px;pointer-events:none}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);padding:64px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:.6rem;font-size:1.18rem;letter-spacing:-.03em;margin-bottom:1rem}
.foot-brand svg{width:30px;height:30px}
.foot-brand b{font-weight:700}.foot-brand span{font-weight:500}
.footer p.fdesc{color:var(--ink-2);font-size:.92rem;max-width:34ch}
.foot-col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);margin-bottom:1rem;font-weight:600}
.foot-col a{display:block;color:var(--ink-2);font-size:.92rem;padding:.32rem 0;transition:color .2s}
.foot-col a:hover{color:var(--ink)}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;color:var(--ink-3);font-size:.84rem}
.ph{color:var(--blue-ink);font-weight:500} /* marca placeholders editables */

/* ---------- Reveal anim (progressive enhancement) ----------
   El contenido es visible por defecto. Solo se oculta si hay JS
   (clase .has-js en <html>), garantizando que nunca quede en blanco. */
html.has-js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
html.has-js .reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:360px;margin:0 auto;order:2}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .value-grid,.work-grid,.serv-grid,.testi-grid{grid-template-columns:1fr 1fr}
  .work-card.feature{grid-column:span 2}
  .proc{grid-template-columns:1fr 1fr;gap:32px}
  .proc-step::after{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:flex}
  .hero{padding:120px 0 64px}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .value-grid,.work-grid,.serv-grid,.testi-grid,.proc{grid-template-columns:1fr}
  .work-card.feature{grid-column:span 1;flex-direction:column;align-items:stretch;gap:22px}
  .work-card.feature h3{font-size:1.5rem}
  .foot-grid{grid-template-columns:1fr 1fr}
  .testi-grid{grid-template-columns:1fr}
}

/* ---------- Mobile menu ---------- */
.mobile-menu{
  position:fixed;inset:0;z-index:99;background:rgba(255,255,255,.96);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  display:flex;flex-direction:column;justify-content:center;gap:.5rem;padding:24px;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{font-size:1.6rem;font-weight:500;letter-spacing:-.03em;padding:.6rem 0;border-bottom:1px solid var(--line)}
.mobile-menu .btn{margin-top:1.4rem;font-size:1.05rem}

/* ---------- Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .clients-track{flex-wrap:wrap;width:auto;justify-content:center}
}

/* =========================================================
   v2 — Detalles premium
   ========================================================= */

/* Selección y foco visibles (detalle de calidad) */
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}

/* Anclas no quedan bajo el nav fijo */
section[id]{scroll-margin-top:72px}

/* Ambiente sutil en el hero (profundidad sin ruido) */
.hero::before{
  content:"";position:absolute;top:-14%;right:-10%;width:62%;height:74%;
  background:radial-gradient(closest-side,rgba(0,113,227,.09),transparent 70%);
  pointer-events:none;
}

/* Strip de clientes (marquee) */
.clients{border-top:1px solid var(--line);padding:22px 0;overflow:hidden;background:var(--bg)}
.clients-track{display:flex;align-items:center;gap:3.2rem;width:max-content;animation:mq 34s linear infinite}
.clients-track span{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3);white-space:nowrap;
}
.clients-track .lead-lbl{color:var(--ink-2);font-weight:500}
.clients:hover .clients-track{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}

/* Spotlight hover en tarjetas (solo puntero fino) */
@media (hover:hover) and (pointer:fine){
  .spotlight{position:relative}
  .spotlight::after{
    content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;pointer-events:none;
    transition:opacity .35s var(--ease);
    background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(0,113,227,.09),transparent 65%);
  }
  .spotlight:hover::after{opacity:1}
  .work-card.feature.spotlight::after{
    background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(10,132,255,.16),transparent 65%);
  }
}