/* Partners Engine · sistema visual.
   Extraido del Home (index.html) para que las paginas internas compartan una
   sola fuente. El Home todavia lleva su CSS embebido: se migra aqui el dia que
   sepamos como despliega Vercel, no antes. */

:root{
  --ink:#0A0A0A;
  --paper:#FFFFFF;
  --coral:#FF4D5A;
  --coral-ink:#E02B39;      /* variante accesible del coral para texto pequeno */
  --gray-900:#141414;
  --gray-600:#5A5A5F;
  --gray-400:#9A9AA0;
  --gray-200:#E6E6E8;
  --gray-100:#F4F4F5;
  --line:#EAEAEC;
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Helvetica Neue",Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.mono{font-family:"SF Mono",ui-monospace,"Roboto Mono",Menlo,Consolas,monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px}
a{color:inherit;text-decoration:none}

/* ---------- HEADER ---------- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;flex-direction:column;line-height:1;user-select:none}
.logo .top{font-size:11px;letter-spacing:.42em;font-weight:600;color:var(--ink);padding-left:3px}
.logo .bottom{display:flex;align-items:center;font-size:30px;font-weight:800;letter-spacing:-.01em;margin-top:3px}
.logo .bottom .dot{
  width:12px;height:22px;background:var(--coral);
  margin:0 2px;border-radius:1px;transform:skewX(-8deg);
  box-shadow:0 0 0 rgba(255,77,90,.5);
  animation:pulseDot 2.6s var(--ease) infinite;
}
@keyframes pulseDot{0%,100%{box-shadow:0 0 0 rgba(255,77,90,0)}50%{box-shadow:0 0 14px rgba(255,77,90,.55)}}
nav.links{display:flex;gap:38px}
nav.links a{font-size:15px;color:var(--gray-600);transition:color .2s}
nav.links a:hover{color:var(--ink)}
nav.links a.on{color:var(--ink);font-weight:600}
.nav-right{display:flex;align-items:center;gap:22px}
.lang{font-size:14px;color:var(--gray-600);display:flex;align-items:center;gap:7px;cursor:pointer}
.lang svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.5;fill:none}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-size:15px;font-weight:600;padding:12px 22px;border-radius:8px;
  transition:transform .2s var(--ease),box-shadow .2s,background .2s;
  cursor:pointer;border:none;
}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(255,77,90,.6)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--gray-200)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px)}
.btn .arw{transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}

/* ---------- HERO DE PAGINA INTERNA ---------- */
.page-hero{position:relative;padding:64px 0 76px;overflow:hidden;border-bottom:1px solid var(--line)}
.crumb{
  display:flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.1em;
  font-family:"SF Mono",ui-monospace,monospace;color:var(--gray-400);margin-bottom:30px;
}
.crumb a{color:var(--gray-600);transition:color .2s}
.crumb a:hover{color:var(--coral-ink)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.eyebrow{
  font-size:12px;letter-spacing:.28em;font-weight:700;color:var(--coral-ink);
  display:flex;align-items:center;gap:14px;margin-bottom:26px;
  font-family:"SF Mono",ui-monospace,monospace;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--coral);flex:none}
h1{font-size:clamp(36px,4.6vw,60px);font-weight:800;line-height:1.04;letter-spacing:-.028em}
h1 .dot{color:var(--coral)}
.hero-sub{font-size:19px;color:var(--gray-600);max-width:520px;margin:26px 0 38px;line-height:1.6}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* panel de ficha del hero */
.spec{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper)}
.spec-head{
  padding:16px 24px;border-bottom:1px solid var(--line);background:var(--gray-100);
  font-family:"SF Mono",ui-monospace,monospace;font-size:11px;letter-spacing:.2em;
  font-weight:700;color:var(--gray-600);
}
.spec-row{display:flex;gap:18px;padding:17px 24px;border-bottom:1px solid var(--line)}
.spec-row:last-child{border-bottom:none}
.spec-row dt{
  flex:none;width:104px;font-family:"SF Mono",ui-monospace,monospace;font-size:11px;
  letter-spacing:.08em;color:var(--gray-400);padding-top:2px;
}
.spec-row dd{font-size:14.5px;color:var(--gray-900);line-height:1.5}
.spec-row dd b{font-weight:700}

/* reveal on load */
.reveal-up{opacity:0;transform:translateY(24px);animation:revealUp .9s var(--ease) forwards}
.d1{animation-delay:.05s}.d2{animation-delay:.18s}.d3{animation-delay:.31s}.d4{animation-delay:.44s}
@keyframes revealUp{to{opacity:1;transform:none}}

/* ---------- SECCIONES ---------- */
.section{padding:96px 0}
.section-tight{padding:76px 0}
.sec-eyebrow{
  text-align:center;font-size:12px;letter-spacing:.26em;font-weight:700;
  color:var(--coral-ink);font-family:"SF Mono",ui-monospace,monospace;margin-bottom:16px;
}
.sec-title{
  text-align:center;font-size:clamp(28px,3.4vw,42px);font-weight:800;
  letter-spacing:-.02em;max-width:760px;margin:0 auto 12px;line-height:1.1;
}
.sec-lead{text-align:center;font-size:17px;color:var(--gray-600);max-width:600px;margin:0 auto 60px}

/* problema: lista numerada a dos columnas */
.pains{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.pain{padding:34px 28px;border-right:1px solid var(--line);transition:background .3s var(--ease)}
.pain:last-child{border-right:none}
.pain:hover{background:var(--gray-100)}
.pain .idx{font-family:"SF Mono",ui-monospace,monospace;font-size:11px;color:var(--gray-400);letter-spacing:.1em;margin-bottom:18px;display:block}
.pain h3{font-size:17px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px;line-height:1.3}
.pain p{font-size:14.5px;color:var(--gray-600);line-height:1.6}

/* tarjetas de entregable */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.cards.cols-3{grid-template-columns:repeat(3,1fr)}
.card{padding:34px 30px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .3s var(--ease)}
.card:hover{background:var(--gray-100)}
.card-ico{width:38px;height:38px;margin-bottom:20px;stroke:var(--ink);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.card-ico .accent{stroke:var(--coral)}
.card h3{font-size:17.5px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px;line-height:1.25}
.card p{font-size:14.5px;color:var(--gray-600);line-height:1.6}

/* pasos sobre fondo tinta */
.how{background:var(--ink);color:#fff;padding:104px 0}
.how .sec-eyebrow{color:var(--coral)}
.how .sec-title{color:#fff}
.how .sec-lead{color:var(--gray-400)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:34px;margin-top:64px}
.step{position:relative;padding-top:28px;border-top:1px solid rgba(255,255,255,.14)}
.step .num{font-family:"SF Mono",ui-monospace,monospace;font-size:13px;color:var(--coral);font-weight:700;letter-spacing:.1em;margin-bottom:20px;display:block}
.step h4{font-size:19px;font-weight:700;margin-bottom:12px;letter-spacing:-.01em}
.step p{font-size:14.5px;color:var(--gray-400);line-height:1.6}
.own{
  margin-top:72px;padding:32px 40px;border:1px solid rgba(255,255,255,.16);
  border-radius:14px;display:flex;align-items:center;gap:26px;justify-content:space-between;
  flex-wrap:wrap;background:linear-gradient(90deg,rgba(255,77,90,.08),transparent);
}
.own p{font-size:20px;font-weight:600;letter-spacing:-.01em}
.own p span{color:var(--coral)}
.own .mono-tag{font-family:"SF Mono",ui-monospace,monospace;font-size:12px;color:var(--gray-400);letter-spacing:.08em}

/* entregables: lista de dos columnas */
.deliver{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;border-top:1px solid var(--line)}
.deliver div{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.deliver svg{width:18px;height:18px;flex:none;margin-top:3px;stroke:var(--coral);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.deliver p{font-size:15.5px;line-height:1.55}
.deliver p b{font-weight:700}
.deliver p span{color:var(--gray-600)}

/* bloque de honestidad */
.note{
  border:1px solid var(--line);border-left:3px solid var(--coral);border-radius:12px;
  padding:34px 38px;max-width:840px;margin:0 auto;background:var(--gray-100);
}
.note h3{font-size:19px;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.note p{font-size:15.5px;color:var(--gray-600);line-height:1.65;margin-bottom:12px}
.note p:last-child{margin-bottom:0}

/* preguntas */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:24px 40px 24px 0;position:relative;
  font-size:17px;font-weight:600;letter-spacing:-.01em;transition:color .2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--coral-ink)}
.faq summary::after{
  content:"";position:absolute;right:6px;top:32px;width:9px;height:9px;
  border-right:2px solid var(--gray-400);border-bottom:2px solid var(--gray-400);
  transform:rotate(45deg);transition:transform .25s var(--ease);
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq p{font-size:15.5px;color:var(--gray-600);line-height:1.7;padding:0 40px 26px 0}

/* siguiente capa */
.next{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.next a{padding:26px 24px;border-right:1px solid var(--line);transition:background .3s var(--ease)}
.next a:last-child{border-right:none}
.next a:hover{background:var(--gray-100)}
.next .n-idx{font-family:"SF Mono",ui-monospace,monospace;font-size:11px;color:var(--gray-400);letter-spacing:.1em;display:block;margin-bottom:12px}
.next .n-t{font-size:15.5px;font-weight:700;letter-spacing:-.01em;line-height:1.3;display:block}
.next .n-go{font-size:13px;font-weight:600;color:var(--coral-ink);margin-top:12px;display:inline-flex;gap:6px;transition:gap .2s}
.next a:hover .n-go{gap:11px}

/* ---------- listado de capas (hub de soluciones) ---------- */
.layers{border:1px solid var(--line);border-radius:16px;overflow:hidden}
.layer{display:grid;grid-template-columns:88px 54px 1fr auto;align-items:center;gap:0 22px;
  padding:30px 32px;border-bottom:1px solid var(--line);transition:background .3s var(--ease)}
.layer:last-child{border-bottom:none}
.layer:hover{background:var(--gray-100)}
.layer .l-idx{font-family:"SF Mono",ui-monospace,monospace;font-size:11px;color:var(--gray-400);letter-spacing:.1em}
.layer .card-ico{width:38px;height:38px;margin:0}
.layer h3{font-size:19px;font-weight:700;letter-spacing:-.015em;margin-bottom:7px;line-height:1.25}
.layer p{font-size:14.5px;color:var(--gray-600);line-height:1.6;max-width:620px}
.layer .l-go{font-size:13px;font-weight:600;color:var(--coral-ink);display:inline-flex;gap:6px;
  white-space:nowrap;transition:gap .2s}
.layer:hover .l-go{gap:11px}
@media(max-width:900px){
  .layer{grid-template-columns:70px 1fr;gap:0 18px;padding:26px 22px}
  .layer .card-ico{display:none}
  .layer .l-go{grid-column:2;margin-top:14px}
}

/* ---------- CTA ---------- */
.cta-final{padding:110px 0;text-align:center}
.cta-final h2{font-size:clamp(32px,4.4vw,52px);font-weight:800;letter-spacing:-.025em;line-height:1.05;max-width:820px;margin:0 auto 22px}
.cta-final h2 .dot{color:var(--coral)}
.cta-final p{font-size:18px;color:var(--gray-600);max-width:540px;margin:0 auto 40px}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line);padding:64px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.15fr 1fr 1fr;gap:34px;margin-bottom:56px}
.foot-col h5 + a + h5,
.foot-col h5:not(:first-child){margin-top:28px}
.foot-brand .logo{margin-bottom:18px}
.foot-brand p{font-size:14px;color:var(--gray-600);max-width:280px;line-height:1.6}
.foot-col h5{font-size:12px;letter-spacing:.16em;font-weight:700;color:var(--gray-400);margin-bottom:18px;font-family:"SF Mono",ui-monospace,monospace}
.foot-col h5 a{display:inline;font:inherit;color:inherit;letter-spacing:inherit;margin:0}
.foot-col h5 a:hover{color:var(--gray-600)}
.foot-col a{display:block;font-size:14.5px;color:var(--gray-600);margin-bottom:12px;transition:color .2s}
.foot-col a:hover{color:var(--ink)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:28px;border-top:1px solid var(--line);flex-wrap:wrap;gap:16px}
.foot-bottom span{font-size:13px;color:var(--gray-400)}
.foot-bottom .mono{letter-spacing:.06em}

/* ---------- scroll reveal ---------- */
.obs{opacity:0;transform:translateY(30px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.obs.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1024px){
  .cards,.cards.cols-3{grid-template-columns:repeat(2,1fr)}
  .pains{grid-template-columns:1fr}
  .pain{border-right:none;border-bottom:1px solid var(--line)}
  .pain:last-child{border-bottom:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .next{grid-template-columns:repeat(2,1fr)}
  .next a:nth-child(2n){border-right:none}
}
@media(max-width:860px){
  nav.links{display:none}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-sub{max-width:none}
  .deliver{grid-template-columns:1fr;gap:0}
}
@media(max-width:620px){
  .wrap{padding:0 22px}
  .nav{height:66px}
  .logo .bottom{font-size:25px}
  .cards,.cards.cols-3{grid-template-columns:1fr}
  .card{border-right:none}
  .steps{grid-template-columns:1fr}
  .next{grid-template-columns:1fr}
  .next a{border-right:none;border-bottom:1px solid var(--line)}
  .own{flex-direction:column;align-items:flex-start;gap:14px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .page-hero{padding:40px 0 52px}
  .section{padding:64px 0}
  .note{padding:26px 24px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal-up,.obs{opacity:1!important;transform:none!important}
}

/* ---------- PRUEBA (banda de evidencia por capa) ---------- */
.proof{
  border:1px solid var(--line);border-radius:16px;background:var(--gray-100);
  padding:38px 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:36px;
}
.proof .p-fig{font-size:36px;font-weight:800;letter-spacing:-.025em;line-height:1.05;color:var(--ink)}
.proof .p-fig .u{font-size:15px;font-weight:600;color:var(--gray-600);letter-spacing:0;margin-left:4px}
.proof h4{font-size:15px;font-weight:700;margin-top:12px}
.proof p{font-size:14.5px;color:var(--gray-600);line-height:1.62;margin-top:6px}
.proof-foot{
  font-size:13.5px;color:var(--gray-600);line-height:1.62;
  margin-top:20px;padding-left:16px;border-left:2px solid var(--gray-200);
}
@media(max-width:900px){.proof{grid-template-columns:1fr;gap:28px;padding:30px 26px}}

/* ---------- STACK (franja de plataformas) ---------- */
.stack{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:26px}
.stack span{
  border:1px solid var(--line);border-radius:999px;background:var(--paper);
  padding:11px 22px;font-size:14px;color:var(--gray-600);white-space:nowrap;
}
.stack-note{
  text-align:center;font-size:13.5px;color:var(--gray-400);margin-top:22px;
}

/* ---------- CASOS ---------- */
.case{border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:30px;background:var(--paper)}
.case-head{padding:30px 34px 26px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start;gap:28px;flex-wrap:wrap}
.case-head h3{font-size:27px;letter-spacing:-.025em;line-height:1.15}
.case-dom{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:13.5px;color:var(--coral-ink);margin-top:8px}
.case-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;max-width:420px}
.case-tags span{border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:12.5px;color:var(--gray-600);white-space:nowrap}
.case-kpis{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.case-kpi{padding:26px 24px;border-right:1px solid var(--line)}
.case-kpi:last-child{border-right:none}
.k-lab{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.13em;color:var(--gray-400);text-transform:uppercase}
.k-fig{font-size:31px;font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-top:9px}
.k-fig .u{font-size:15px;font-weight:600;color:var(--gray-600);letter-spacing:0;margin-left:3px}
.k-note{font-size:13px;color:var(--gray-600);margin-top:7px;line-height:1.5}
.case-body{padding:30px 34px 32px;display:grid;grid-template-columns:1.4fr 1fr;gap:38px}
.case-body h4{font-size:14px;font-weight:700;margin-bottom:14px}
.case-did{list-style:none}
.case-did li{font-size:14.5px;color:var(--gray-600);line-height:1.62;padding-left:17px;position:relative;margin-bottom:9px}
.case-did li:before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:1px;background:var(--coral);transform:skewX(-8deg)}
.case-src{font-size:13.5px;color:var(--gray-600);line-height:1.62}
.case-src b{color:var(--ink)}
.src-tag{display:inline-block;border-radius:999px;padding:5px 13px;font-size:11.5px;font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;letter-spacing:.06em;margin-bottom:13px}
.src-medido{background:#EAF3FF;color:#1259B8}
.src-estimado{background:var(--gray-100);color:var(--gray-600)}
@media(max-width:980px){
  .case-kpis{grid-template-columns:repeat(2,1fr)}
  .case-kpi:nth-child(2){border-right:none}
  .case-kpi:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .case-body{grid-template-columns:1fr;gap:28px}
  .case-tags{justify-content:flex-start;max-width:none}
}

/* ---------- MOTOR (visual de firma, tomado del Home) ----------
   El Home lo lleva en su CSS embebido. Aqui vive la copia para las internas:
   al tocar uno hay que tocar el otro. */
.engine{position:relative;width:100%;aspect-ratio:1/1;max-width:460px;margin:0 auto}
.engine svg{width:100%;height:100%;overflow:visible}
.node-card{fill:#fff;stroke:var(--gray-200);stroke-width:1.5}
.node-shadow{fill:rgba(20,20,20,.04)}
.link-line{stroke:var(--gray-200);stroke-width:1.5;fill:none}
.flow{fill:none;stroke-linecap:round}
.flow-in{stroke:var(--coral)}          /* entrada: alimenta el motor */
.flow-out{stroke:#ff8a93}              /* salida: crecimiento que sale */
.core-glow{fill:var(--coral);opacity:.12;transform-origin:240px 240px;animation:coreBreath 3.4s var(--ease) infinite}
@keyframes coreBreath{0%,100%{opacity:.10;transform:scale(1)}50%{opacity:.18;transform:scale(1.04)}}
.core-beat{fill:var(--coral);opacity:0;transform-origin:240px 240px;transform:scale(.6)}
.core-beat.hit{animation:beat .5s var(--ease)}
@keyframes beat{0%{opacity:.42;transform:scale(.6)}100%{opacity:0;transform:scale(1.5)}}
.core-cube-wrap{transform-origin:240px 262px}
.core-cube-wrap.hit{animation:cubeKick .32s var(--ease)}
@keyframes cubeKick{0%,100%{transform:scale(1)}45%{transform:scale(1.07)}}
.core-cube{fill:var(--coral)}
.core-cube-top{fill:#ff6b76}
.core-cube-side{fill:#e0333f}
.node-icon{stroke:var(--gray-900);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.node-label{font-size:10px;font-weight:700;letter-spacing:.12em;fill:var(--gray-600);font-family:"SF Mono",ui-monospace,monospace;transition:fill .25s}
.engine-float{animation:floatY 6s ease-in-out infinite}
.f2{animation-delay:-1.5s}.f3{animation-delay:-3s}.f4{animation-delay:-4.5s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.engine-svg .link-line{stroke-dasharray:200;stroke-dashoffset:200;animation:drawLink .8s var(--ease) forwards;animation-delay:.5s}
@keyframes drawLink{to{stroke-dashoffset:0}}
.node{opacity:0;transform:scale(.5);transform-box:fill-box;transform-origin:center;animation:nodePop .55s var(--ease) forwards;cursor:default;transition:filter .25s}
@keyframes nodePop{from{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}
.core-glow{opacity:0;animation:coreIn .6s var(--ease) forwards, coreBreath 3.4s var(--ease) 1s infinite}
.core-cube-wrap{opacity:1;animation:coreIn .6s var(--ease)}
@keyframes coreIn{from{opacity:0}to{opacity:1}}
.flow{opacity:0;animation:flowIn .6s ease forwards 1.3s}
@keyframes flowIn{to{opacity:1}}
.n1{animation-delay:1.0s}.n2{animation-delay:1.1s}.n3{animation-delay:1.2s}
.n4{animation-delay:1.3s}.n5{animation-delay:1.4s}.n6{animation-delay:1.5s}
.node .node-card{transition:stroke .25s, filter .25s}
.node:hover .node-card{stroke:var(--coral);filter:drop-shadow(0 6px 16px rgba(255,77,90,.28))}
.node:hover .node-label{fill:var(--coral-ink)}
.node:hover .node-icon{stroke:var(--coral-ink)}
.node-tip{opacity:0;transition:opacity .2s;pointer-events:none}
.node:hover .node-tip{opacity:1}
.node-tip rect{fill:var(--ink)}
.node-tip text{fill:#fff;font-size:9px;font-weight:600;font-family:"SF Mono",ui-monospace,monospace;letter-spacing:.04em}

/* flujo del motor descrito en texto, al lado del diagrama */
.flowlist{border-top:1px solid var(--line)}
.flowlist div{padding:20px 0;border-bottom:1px solid var(--line)}
.flowlist .fl-tag{
  font-family:"SF Mono",ui-monospace,monospace;font-size:11px;letter-spacing:.14em;
  font-weight:700;color:var(--coral-ink);display:block;margin-bottom:8px;
}
.flowlist h4{font-size:16.5px;font-weight:700;letter-spacing:-.01em;margin-bottom:7px}
.flowlist p{font-size:14.5px;color:var(--gray-600);line-height:1.6}

@media(prefers-reduced-motion:reduce){
  .engine-svg .link-line{stroke-dashoffset:0!important}
  .node,.core-cube-wrap,.core-glow,.flow{opacity:1!important;transform:none!important}
}

/* ---------- LANDING: tira de credibilidad bajo el hero ---------- */
.hero-kpis{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0 26px;
  margin-top:34px;padding-top:26px;border-top:1px solid var(--line);max-width:560px;
}
.hero-kpis div{padding-right:26px;border-right:1px solid var(--line)}
.hero-kpis div:last-child{border-right:none;padding-right:0}
.hero-kpis .hk-fig{font-size:26px;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.hero-kpis .hk-lab{
  font-family:"SF Mono",ui-monospace,monospace;font-size:11px;letter-spacing:.1em;
  color:var(--gray-400);margin-top:7px;display:block;
}
@media(max-width:620px){
  .hero-kpis{grid-template-columns:1fr 1fr;gap:20px 18px;max-width:none}
  .hero-kpis div{padding-right:18px}
  .hero-kpis div:nth-child(2n){border-right:none;padding-right:0}
}

/* ---------- LANDING: banda de llamada intermedia ---------- */
.cta-band{
  border:1px solid var(--line);border-radius:16px;background:var(--gray-100);
  padding:34px 40px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-band h3{font-size:23px;font-weight:800;letter-spacing:-.02em;line-height:1.2;max-width:640px}
.cta-band p{font-size:15px;color:var(--gray-600);margin-top:9px;max-width:640px;line-height:1.6}
@media(max-width:620px){.cta-band{padding:26px 24px}}

/* ---------- COMPARATIVA (plataforma licenciada frente a plataforma propia) ---------- */
.compare{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper)}
.compare-row{display:grid;grid-template-columns:0.9fr 1.05fr 1.05fr;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:none}
.compare-row > div{padding:20px 24px;border-right:1px solid var(--line);font-size:14.5px;line-height:1.55;color:var(--gray-600)}
.compare-row > div:last-child{border-right:none}
.compare-row.head > div{
  background:var(--gray-100);font-family:"SF Mono",ui-monospace,monospace;font-size:11px;
  letter-spacing:.14em;font-weight:700;color:var(--gray-600);padding:15px 24px;
}
.compare-row.head .c-ours{color:var(--coral-ink)}
.compare .c-crit{font-weight:700;color:var(--ink)}
.compare .c-ours{background:rgba(255,77,90,.035);color:var(--gray-900)}
.compare-note{font-size:13.5px;color:var(--gray-400);margin-top:18px;line-height:1.6}
@media(max-width:760px){
  .compare-row{grid-template-columns:1fr}
  .compare-row > div{border-right:none;border-bottom:1px solid var(--line);padding:14px 20px}
  .compare-row > div:last-child{border-bottom:none}
  .compare-row.head{display:none}
  .compare-row .c-crit{background:var(--gray-100)}
  .compare-row .c-ours:before{content:"CON PLATAFORMA PROPIA · ";font-family:"SF Mono",ui-monospace,monospace;font-size:10px;letter-spacing:.12em;color:var(--coral-ink)}
  .compare-row .c-lic:before{content:"CON LICENCIA · ";font-family:"SF Mono",ui-monospace,monospace;font-size:10px;letter-spacing:.12em;color:var(--gray-400)}
}

/* ---------- FRANJA DE PLATAFORMAS CON LOGOS ----------
   Los SVG son monocromos y se pintan por CSS con mask, asi que un solo archivo
   sirve para el estado gris y para el color de marca del hover. */
.stack-logos{
  display:flex;flex-wrap:wrap;justify-content:center;
  gap:34px 26px;margin-top:34px;
}
.stack-logos > div{
  width:118px;display:flex;flex-direction:column;align-items:center;gap:11px;text-align:center;
}
.logo-mark{
  width:var(--w,29px);height:29px;background:var(--gray-400);
  -webkit-mask:var(--src) center/var(--ms,contain) no-repeat;
  mask:var(--src) center/var(--ms,contain) no-repeat;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.stack-logos > div:hover .logo-mark{background:var(--brand);transform:translateY(-2px)}
.stack-logos > div span{
  font-size:11.5px;line-height:1.35;color:var(--gray-400);transition:color .25s;
}
.stack-logos > div:hover span{color:var(--gray-600)}
@media(max-width:620px){
  .stack-logos{gap:26px 14px}
  .stack-logos > div{width:88px}
}