/* ==========================================================================
   30 · Circuito
   Para consultoría, ingeniería de procesos y firmas B2B que le venden a la
   dirección de una empresa, no a un consumidor. Negro de piezas, gris grafito
   y naranja solo en los nodos: los puntos donde el flujo se conecta. La firma
   es la línea de proceso con nodos naranjas que recorre la página.
   ========================================================================== */

:root{
  --naranja:var(--marca-1, #FA8C2F);
  --naranja-hondo:#F46B00;
  --negro:#222222;
  --negro-2:#1A1A1A;
  --grafito:#4E5359;
  --grafito-claro:#6E737B;
  --humo:#F6F7F8;
  --humo-2:#ECEEF0;
  --blanco:#FFFFFF;
  --linea:rgba(34,34,34,.12);
  --linea-clara:rgba(255,255,255,.14);
  --ease:cubic-bezier(.2,.8,.25,1);
  --r:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth; overflow-x:clip}
body{margin:0; background:var(--blanco); color:var(--negro); line-height:1.72; -webkit-font-smoothing:antialiased}
img{max-width:100%; display:block}
a{color:inherit}
h1,h2,h3{margin:0; font-weight:800; line-height:1.12; letter-spacing:-.028em}
h1 em, h2 em{font-style:normal; color:var(--naranja)}
p{margin:0 0 1rem}
.blob{display:none !important}

.wrap{width:min(1180px,92vw); margin:0 auto}
.sec{padding:106px 0; position:relative}
.centrado{text-align:center}
/* el eyebrow es un nodo del circuito */
.eyebrow{display:inline-flex; align-items:center; gap:11px; font-size:.66rem; letter-spacing:.24em; text-transform:uppercase; font-weight:700; color:var(--grafito); margin:0 0 16px}
.eyebrow::before{content:""; width:9px; height:9px; border-radius:50%; background:var(--naranja); box-shadow:0 0 0 4px rgba(250,140,47,.22)}
.oscuro .eyebrow{color:#B9BEC5}

/* ---------- Botones ---------- */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:10px; padding:16px 28px; border-radius:8px; text-decoration:none; font-weight:700;
  font-size:.86rem; border:2px solid transparent; cursor:pointer;
  transition:transform .28s var(--ease), background .28s, color .28s, border-color .28s, box-shadow .28s}
.btn svg{width:1.15em; height:1.15em; flex:none}
.btn-primary{background:var(--naranja); color:var(--negro); box-shadow:0 14px 28px -14px rgba(250,140,47,.85)}
.btn-primary:hover{background:var(--naranja-hondo); color:var(--blanco); transform:translateY(-3px)}
.btn-oscuro{background:var(--negro); color:var(--blanco)}
.btn-oscuro:hover{background:var(--grafito); transform:translateY(-3px)}
.btn-linea{background:transparent; color:var(--negro); border-color:var(--linea)}
.btn-linea:hover{border-color:var(--negro)}
.oscuro .btn-linea{color:var(--blanco); border-color:var(--linea-clara)}
.oscuro .btn-linea:hover{background:var(--blanco); color:var(--negro)}
.btn-wa{background:#25D366; color:#04331d}
.btn-wa:hover{transform:translateY(-3px)}
.btn-sm{padding:11px 20px; font-size:.76rem}
.chip{display:inline-flex; align-items:center; gap:9px; font-size:.76rem; font-weight:600}
.chip svg{width:16px; height:16px; color:var(--naranja)}

/* ---------- Encabezado ---------- */
#hdr{position:sticky; top:0; z-index:60; background:rgba(255,255,255,.94); backdrop-filter:blur(12px); border-bottom:1px solid var(--linea)}
.nav{display:flex; align-items:center; justify-content:space-between; gap:22px; height:80px; transition:height .3s var(--ease)}
header.stuck .nav{height:64px}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none; min-width:0}
.brand img{width:auto; height:64px; max-width:205px; object-fit:contain; flex:none; margin:-6px 0}
.brand > span{display:flex; flex-direction:column; min-width:0}
.brand b{font-size:1rem; color:var(--negro); white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.brand i{font-style:normal; font-size:.54rem; letter-spacing:.22em; text-transform:uppercase; color:var(--naranja); font-weight:700}
.nav-links{display:flex; gap:26px}
.nav-links a{position:relative; text-decoration:none; color:var(--grafito); font-size:.84rem; font-weight:600; padding:5px 0; transition:color .25s}
.nav-links a:hover{color:var(--negro)}
.nav-links a::after{content:""; position:absolute; left:50%; bottom:-2px; width:7px; height:7px; border-radius:50%; background:var(--naranja); transform:translateX(-50%) scale(0); transition:transform .3s var(--ease)}
.nav-links a:hover::after{transform:translateX(-50%) scale(1)}

/* ---------- 1 · Portada ---------- */
.c-hero{background:var(--negro); color:var(--blanco); padding:74px 0 122px; position:relative; overflow:hidden}
.c-hero::before{content:""; position:absolute; inset:0; pointer-events:none; opacity:.6;
  background-image:linear-gradient(var(--linea-clara) 1px, transparent 1px), linear-gradient(90deg, var(--linea-clara) 1px, transparent 1px);
  background-size:88px 88px; mask:radial-gradient(ellipse at 30% 30%, #000 10%, transparent 72%)}
.c-hero .wrap{display:grid; grid-template-columns:1.04fr .96fr; gap:50px; align-items:center; position:relative; z-index:1}
.c-hero h1{font-size:clamp(2.2rem,4.8vw,3.9rem); color:var(--blanco)}
.c-lead{margin:22px 0 0; max-width:48ch; color:#B9BEC5; font-size:1.06rem}
.c-hero-cta{display:flex; gap:14px; margin:32px 0 30px; flex-wrap:wrap}
.c-firmas{display:flex; flex-wrap:wrap; gap:12px 26px; padding-top:22px; border-top:1px solid var(--linea-clara); color:#B9BEC5}
.c-escena img{width:100%; height:auto; border-radius:var(--r)}

/* ---------- 2 · La promesa ---------- */
.c-promesa{background:var(--naranja); color:var(--negro)}
.c-promesa .wrap{display:grid; grid-template-columns:auto 1fr auto; gap:30px; align-items:center; padding:30px 0}
.c-promesa b{font-size:.66rem; letter-spacing:.24em; text-transform:uppercase; font-weight:800; white-space:nowrap}
.c-promesa p{margin:0; font-size:clamp(1rem,1.9vw,1.24rem); font-weight:600; line-height:1.5}

/* ---------- 3 · Arquitectura de servicios ---------- */
.c-ruta{background:var(--blanco)}
.c-cab{max-width:62ch; margin:0 auto 58px; text-align:center}
.c-cab h2{font-size:clamp(2.1rem,4.6vw,3.3rem)}
.c-cab p{margin:16px 0 0; color:var(--grafito)}
/* la línea de proceso con nodos */
.c-etapas{display:grid; grid-template-columns:repeat(5,1fr); gap:0; position:relative}
.c-etapas::before{content:""; position:absolute; left:10%; right:10%; top:27px; height:3px; background:var(--humo-2); z-index:0}
.c-etapa{position:relative; z-index:1; padding:0 14px; text-align:center}
.c-etapa b{display:grid; place-items:center; width:54px; height:54px; margin:0 auto 20px; border-radius:50%; background:var(--blanco);
  border:3px solid var(--humo-2); color:var(--grafito); font-weight:800; font-size:1rem; transition:border-color .3s, background .3s, color .3s}
.c-etapa:hover b{border-color:var(--naranja); background:var(--naranja); color:var(--negro)}
.c-etapa h3{font-size:1rem; margin-bottom:8px}
.c-etapa p{margin:0; font-size:.88rem; color:var(--grafito)}

/* ---------- 4 · El servicio ---------- */
.c-servicio{background:var(--humo)}
.c-servicio .wrap{display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center}
.c-foto{border-radius:var(--r); overflow:hidden; border:1px solid var(--linea)}
.c-foto img{width:100%; height:auto; aspect-ratio:4/3; object-fit:cover}
.c-servicio h2{font-size:clamp(1.9rem,4.2vw,3rem); margin-bottom:14px}
.c-servicio h2 a{text-decoration:none}
.c-servicio > .wrap > div > p{color:var(--grafito); max-width:52ch}
.c-partes{list-style:none; margin:26px 0 30px; padding:0; display:grid; gap:14px}
.c-partes li{position:relative; padding-left:34px; font-size:.98rem}
.c-partes li b{display:block; font-weight:700}
.c-partes li span{color:var(--grafito); font-size:.92rem}
.c-partes li::before{content:""; position:absolute; left:0; top:.44em; width:12px; height:12px; border-radius:50%; background:var(--naranja); box-shadow:0 0 0 4px rgba(250,140,47,.2)}
.c-acc{display:flex; gap:12px; flex-wrap:wrap}
.c-nota{margin:44px auto 0; max-width:62ch; text-align:center; font-size:.88rem; color:var(--grafito)}

/* ---------- 5 · Diferenciadores ---------- */
.c-difs{background:var(--negro); color:var(--blanco)}
.c-difs h2{font-size:clamp(2rem,4.4vw,3.1rem); color:var(--blanco); max-width:22ch}
.c-difs .intro{color:#B9BEC5; max-width:56ch; margin-top:14px}
.c-tres{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:52px}
.c-tres div{background:rgba(255,255,255,.04); border:1px solid var(--linea-clara); border-radius:var(--r); padding:30px 26px; transition:border-color .3s, background .3s}
.c-tres div:hover{border-color:var(--naranja); background:rgba(250,140,47,.07)}
.c-tres b{display:block; font-size:.62rem; letter-spacing:.22em; text-transform:uppercase; color:var(--naranja); margin-bottom:12px; font-weight:800}
.c-tres h3{font-size:1.1rem; color:var(--blanco); margin-bottom:8px}
.c-tres p{margin:0; font-size:.92rem; color:#B9BEC5}

/* ---------- 6 · Valores ---------- */
.c-valores{background:var(--humo)}
.c-valores .wrap{display:grid; grid-template-columns:.82fr 1.18fr; gap:52px; align-items:start}
.c-valores h2{font-size:clamp(1.9rem,4.2vw,2.9rem)}
.c-valores > .wrap > div > p{color:var(--grafito); margin-top:14px}
.c-lista{display:grid; gap:1px; background:var(--linea); border:1px solid var(--linea); border-radius:var(--r); overflow:hidden}
.c-lista > div{background:var(--blanco); padding:22px 26px; display:flex; gap:16px; align-items:flex-start; transition:background .3s}
.c-lista > div:hover{background:var(--humo-2)}
.c-lista > div > div{flex:1; min-width:0}
.c-lista i{flex:none; width:11px; height:11px; margin-top:9px; border-radius:50%; background:var(--naranja); box-shadow:0 0 0 4px rgba(250,140,47,.18)}
.c-lista h3{font-size:1rem; margin-bottom:4px}
.c-lista p{margin:0; font-size:.9rem; color:var(--grafito)}

/* ---------- 7 · Quiénes somos ---------- */
.c-somos{background:var(--blanco)}
.c-somos .wrap{display:grid; grid-template-columns:1.08fr .92fr; gap:54px; align-items:start}
.c-somos h2{font-size:clamp(1.9rem,4.2vw,2.9rem); margin-bottom:18px}
.c-somos p{color:var(--grafito)}
.c-somos .hist > summary{color:var(--naranja-hondo); font-weight:700}
.c-mv{display:grid; gap:16px}
.c-mv div{background:var(--humo); border-radius:var(--r); padding:24px; border-left:4px solid var(--naranja)}
.c-mv h3{font-size:.62rem; letter-spacing:.24em; text-transform:uppercase; color:var(--grafito); margin-bottom:8px}
.c-mv p{margin:0; font-size:.94rem; color:var(--negro)}

/* ---------- 8 · Cierre y contacto ---------- */
.c-cierre{background:var(--negro-2); color:var(--blanco); text-align:center; position:relative; overflow:hidden}
.c-cierre::after{content:""; position:absolute; left:50%; bottom:-48%; width:78%; aspect-ratio:1; transform:translateX(-50%); border-radius:50%;
  background:radial-gradient(circle, rgba(250,140,47,.22), transparent 62%); pointer-events:none}
.c-cierre .wrap{position:relative; z-index:1}
.c-cierre h2{font-size:clamp(2rem,4.8vw,3.4rem); color:var(--blanco); margin-bottom:16px}
.c-cierre > .wrap > div > p{max-width:54ch; margin:0 auto 28px; color:#B9BEC5}
.c-pasos{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:60px; text-align:left}
.c-pasos div{background:rgba(255,255,255,.04); border:1px solid var(--linea-clara); border-radius:var(--r); padding:28px 24px}
.c-pasos b{display:inline-grid; place-items:center; width:36px; height:36px; border-radius:50%; background:var(--naranja); color:var(--negro); font-weight:800; margin-bottom:12px}
.c-pasos h3{font-size:1.04rem; color:var(--blanco); margin-bottom:8px}
.c-pasos p{margin:0; font-size:.9rem; color:#B9BEC5}
.c-contacto{background:var(--blanco); padding:92px 0}
.c-contacto .wrap{display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:center}
.c-contacto h2{font-size:clamp(1.8rem,3.6vw,2.6rem); margin-bottom:14px}
.c-canales{display:grid; gap:12px}
.c-canales a{display:flex; align-items:center; gap:15px; padding:18px 22px; background:var(--humo); border:1px solid transparent; border-radius:var(--r);
  text-decoration:none; transition:border-color .3s, transform .3s var(--ease), background .3s}
.c-canales a:hover{border-color:var(--naranja); background:var(--blanco); transform:translateX(5px)}
.c-canales svg{width:18px; height:18px; color:var(--naranja); flex:none}
.c-canales .et{font-size:.56rem; letter-spacing:.22em; text-transform:uppercase; color:var(--grafito); display:block; font-weight:700}
.c-canales .va{font-size:.94rem; font-weight:600; word-break:break-word}

footer{background:var(--negro); color:#9DA2A9; padding:52px 0 38px}
.foot-top{display:flex; align-items:center; justify-content:space-between; gap:22px; flex-wrap:wrap; padding-bottom:24px; border-bottom:1px solid var(--linea-clara)}
.foot-top .brand b{color:var(--blanco)}
.foot-top .brand img{background:var(--blanco); border-radius:8px; padding:6px 10px}
.foot-social{display:flex; gap:12px}
.foot-social a{width:44px; height:44px; display:grid; place-items:center; border-radius:8px; border:1px solid var(--linea-clara); color:var(--blanco);
  transition:background .3s, color .3s, border-color .3s}
.foot-social a:hover{background:var(--naranja); border-color:var(--naranja); color:var(--negro)}
.foot-social svg{width:18px; height:18px}
.foot-bot{display:flex; justify-content:space-between; gap:18px; flex-wrap:wrap; padding-top:20px; font-size:.8rem}

/* ---------- Piezas compartidas ---------- */
.progress{position:fixed; top:0; left:0; height:3px; width:0; z-index:100; background:var(--naranja); transition:width .1s linear}
.saltar{background:var(--naranja); color:var(--negro); border-radius:8px}
.pista{color:#9DA2A9}
.wa-float{position:fixed; right:24px; bottom:24px; z-index:90; display:inline-flex; align-items:center; gap:10px; background:var(--naranja); color:var(--negro);
  text-decoration:none; font-weight:700; font-size:.78rem; padding:16px 24px; border-radius:8px; box-shadow:0 18px 34px -14px rgba(250,140,47,.9);
  transition:transform .3s var(--ease), background .3s, color .3s}
.wa-float:hover{transform:translateY(-3px); background:var(--negro); color:var(--blanco)}
.wa-float svg{width:19px; height:19px; flex:none}
.anim .wa-float{animation:latirC 3.4s ease-out infinite}
@keyframes latirC{0%{box-shadow:0 18px 34px -14px rgba(250,140,47,.9), 0 0 0 0 rgba(250,140,47,.45)} 70%,100%{box-shadow:0 18px 34px -14px rgba(250,140,47,.9), 0 0 0 16px rgba(250,140,47,0)}}
.insignia, .insignia-linea{border-radius:6px; font-weight:700}
.insignia-linea{background:var(--naranja); color:var(--negro)}
.hist > summary{color:var(--naranja-hondo); font-weight:700}
.barra-compra{border-top:1px solid var(--linea)}
.barra-compra .bc-txt b{color:var(--negro)}

/* ---------- Página de servicio ---------- */
.cs-cab{background:var(--blanco); padding:24px 0 2px}
.crumbs{margin:0; display:flex; gap:10px; flex-wrap:wrap; font-size:.76rem; font-weight:600; color:var(--grafito)}
.crumbs a{text-decoration:none; color:var(--negro)}
.crumbs a:hover{color:var(--naranja-hondo)}
.cs-cuerpo{background:var(--blanco); padding:38px 0 92px}
.cs-grid{display:grid; grid-template-columns:1.02fr .98fr; gap:54px; align-items:start}
.cs-foto{border-radius:var(--r); overflow:hidden; border:1px solid var(--linea)}
.cs-foto > img{width:100%; height:auto; aspect-ratio:4/3; object-fit:cover}
.kp-tira{display:flex; gap:10px; margin-top:12px}
.kp-tira button{padding:0; border:2px solid transparent; border-radius:8px; overflow:hidden; background:none; width:74px; cursor:pointer}
.kp-tira button[aria-current="true"]{border-color:var(--naranja)}
.kp-tira img{width:100%; height:auto; aspect-ratio:4/3; object-fit:cover}
.cs-info h1{font-size:clamp(1.9rem,4.2vw,3rem); margin-bottom:14px}
.cs-precio{display:flex; align-items:center; gap:14px; margin:22px 0 6px; flex-wrap:wrap}
.cs-precio b{background:var(--humo); border-radius:8px; padding:10px 22px; font-size:clamp(1.3rem,2.8vw,1.9rem)}
.cs-precio small{font-size:.68rem; letter-spacing:.16em; text-transform:uppercase; color:var(--grafito); font-weight:700}
.p-agotado{font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; font-weight:700; color:var(--grafito)}
.cs-op{margin:24px 0 0}
.cs-op h3{font-size:.62rem; letter-spacing:.22em; text-transform:uppercase; color:var(--grafito); margin-bottom:11px; font-weight:700}
.cs-chips{display:flex; flex-wrap:wrap; gap:9px}
.cs-chips button{background:var(--blanco); color:var(--negro); border:2px solid var(--linea); border-radius:8px; padding:10px 20px; font:inherit; font-size:.86rem;
  font-weight:600; cursor:pointer; transition:border-color .2s, background .2s, color .2s}
.cs-chips button:hover{border-color:var(--naranja)}
.cs-chips button[aria-pressed="true"]{background:var(--negro); border-color:var(--negro); color:var(--blanco)}
.cs-puntos{list-style:none; margin:26px 0 0; padding:0; display:grid; gap:12px}
.cs-puntos li{position:relative; padding-left:30px; font-size:.96rem; color:var(--grafito)}
.cs-puntos li::before{content:""; position:absolute; left:0; top:.5em; width:11px; height:11px; border-radius:50%; background:var(--naranja); box-shadow:0 0 0 4px rgba(250,140,47,.18)}
.cs-cta{display:flex; gap:12px; flex-wrap:wrap; margin-top:28px}
.cs-detalle{background:var(--humo); padding:92px 0}
.cs-detalle .wrap{display:grid; grid-template-columns:.8fr 1.2fr; gap:52px; align-items:start}
.cs-detalle h2{font-size:clamp(1.7rem,3.4vw,2.4rem); margin-bottom:16px}
.cs-otros{background:var(--blanco); padding:92px 0}
.cs-otros-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:24px; margin-top:38px}
.cs-mini{text-decoration:none; display:block; background:var(--humo); border-radius:var(--r); padding:14px 14px 22px; transition:transform .35s var(--ease)}
.cs-mini:hover{transform:translateY(-5px)}
.cs-mini img{width:100%; height:auto; aspect-ratio:4/3; object-fit:cover; border-radius:10px}
.cs-mini h3{font-size:1.06rem; margin:16px 6px 4px}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .c-hero .wrap{grid-template-columns:1fr; gap:46px}
  .c-promesa .wrap{grid-template-columns:1fr; gap:16px; text-align:center; justify-items:center}
  .c-etapas{grid-template-columns:1fr; gap:26px}
  .c-etapas::before{left:26px; right:auto; top:10%; bottom:10%; width:3px; height:auto}
  .c-etapa{display:grid; grid-template-columns:54px 1fr; gap:18px; text-align:left; padding:0}
  .c-etapa b{margin:0}
  .c-servicio .wrap{grid-template-columns:1fr; gap:38px}
  .c-tres{grid-template-columns:1fr}
  .c-valores .wrap{grid-template-columns:1fr; gap:32px}
  .c-somos .wrap{grid-template-columns:1fr; gap:32px}
  .c-pasos{grid-template-columns:1fr}
  .c-contacto .wrap{grid-template-columns:1fr; gap:34px}
  .cs-grid, .cs-detalle .wrap{grid-template-columns:1fr; gap:40px}
}
@media (max-width:640px){
  body{font-size:16px}
  .sec{padding:74px 0}
  .nav{height:68px}
  .nav-links{display:none}
  .brand img{height:54px; max-width:173px}
  .c-hero{padding:44px 0 88px}
  .c-hero-cta .btn{flex:1 1 100%}
  .wa-float span{display:none}
  .wa-float{padding:16px}
  .cs-detalle, .cs-otros{padding:70px 0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn, .c-etapa b{transition:none}
  .wa-float{animation:none !important}
}