/* ==========================================================================
   VISHIAN — Sitio web (versión completa, una sola página)
   Referencias de diseño:
     · Fondo en capas + formas animadas ...... authkit.com
     · Servicios en filas full-width ......... salo.uk/services
     · Proceso en carrusel con curva ......... zaptatech.com
     · Estructura y flujo del sitio .......... rig.ai
   Colores y tipografías: manual de marca VISHIAN v2.0 (sin cambios).
   ========================================================================== */

/* --- 1. Tokens ----------------------------------------------------------- */
:root{
  --navy:#14213D;
  --amber:#FCA311;
  --amber-soft:#FFC24D;

  --bg:#060911;
  --bg-2:#090D17;
  --bg-3:#0C111E;
  --ink:#04060B;

  --tx-1:#EEF0F5;
  --tx-2:#AAB3C4;
  --tx-3:#7A8499;
  --tx-4:#59637A;

  --ln-1:rgba(255,255,255,.07);
  --ln-2:rgba(255,255,255,.13);
  --ln-am:rgba(252,163,17,.34);

  --f-display:'Space Grotesk',system-ui,sans-serif;
  --f-body:'Inter',system-ui,sans-serif;
  --f-mono:'Space Mono',ui-monospace,monospace;

  --t-display:clamp(2.75rem,6vw,5rem);
  --t-h2:clamp(1.875rem,3.7vw,3rem);
  --t-h3:clamp(1.1875rem,1.6vw,1.4375rem);
  --t-lede:clamp(1.0625rem,1.3vw,1.1875rem);
  --t-sm:.9375rem;
  --t-label:.6875rem;

  --gut:clamp(1.25rem,5vw,4.5rem);
  --sec-y:clamp(4.5rem,9vw,8rem);
  --max:1240px;

  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* --- 2. Base ------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:5.5rem;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--tx-1);
  font-family:var(--f-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4{margin:0;font-family:var(--f-display);font-weight:600;line-height:1.06;letter-spacing:-.025em;text-wrap:balance}
p{margin:0;text-wrap:pretty}
ul,ol{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}

::selection{background:rgba(252,163,17,.25);color:#fff}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--amber);outline-offset:3px;border-radius:4px;
}

/* --- 3. Fondo en capas (authkit) -----------------------------------------
   Capa fija detrás de todo: gradientes profundos + retícula enmascarada +
   formas geométricas girando muy lento + grano. Da profundidad sin ruido. */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.bg__grad{
  position:absolute;inset:0;
  background:
    radial-gradient(70rem 45rem at 78% -8%,rgba(20,33,61,.9),transparent 62%),
    radial-gradient(38rem 30rem at 84% 4%,rgba(252,163,17,.10),transparent 68%),
    radial-gradient(60rem 40rem at 8% 55%,rgba(20,33,61,.55),transparent 60%),
    radial-gradient(50rem 35rem at 50% 110%,rgba(252,163,17,.07),transparent 65%);
}
.bg__grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(110% 80% at 60% 0%,#000 10%,transparent 72%);
          mask-image:radial-gradient(110% 80% at 60% 0%,#000 10%,transparent 72%);
}
.bg__shape{
  position:absolute;
  border:1px solid rgba(252,163,17,.10);
  animation:spin 90s linear infinite;
}
.bg__shape--a{width:46rem;height:46rem;top:-14rem;right:-12rem;border-radius:34%}
.bg__shape--b{width:30rem;height:30rem;top:6rem;right:2rem;border-radius:50%;border-color:rgba(255,255,255,.05);animation-duration:120s;animation-direction:reverse}
.bg__shape--c{width:38rem;height:38rem;bottom:-16rem;left:-14rem;border-radius:40%;border-color:rgba(20,33,61,.9);animation-duration:150s}
@keyframes spin{to{transform:rotate(360deg)}}
.bg__noise{
  position:absolute;inset:0;opacity:.22;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
}

/* --- 4. Layout ------------------------------------------------------------ */
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.wrap--tight{max-width:920px}
.wrap--prose{max-width:760px}

.sec{padding-block:var(--sec-y);position:relative}
.sec--line{border-top:1px solid var(--ln-1)}
.sec--deep{background:rgba(9,13,23,.72);border-block:1px solid var(--ln-1)}

.sec-head{max-width:62ch}
.sec-head--mid{margin-inline:auto;text-align:center}
.sec-num{
  display:flex;align-items:center;gap:.75rem;
  font-family:var(--f-mono);font-size:var(--t-label);
  letter-spacing:.22em;text-transform:uppercase;color:var(--amber);
}
.sec-num::after{content:"";flex:1;max-width:4rem;height:1px;background:var(--ln-am)}
.sec-head--mid .sec-num{justify-content:center}
.sec-head--mid .sec-num::after{display:none}
.sec-title{margin-top:1.375rem;font-size:var(--t-h2);color:#fff}
.sec-lede{margin-top:1.125rem;font-size:var(--t-lede);line-height:1.55;color:var(--tx-2);max-width:56ch}
.sec-head--mid .sec-lede{margin-inline:auto}

.am{color:var(--amber)}

/* --- 5. Botones ----------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  font-weight:600;font-size:.9375rem;line-height:1;
  padding:1rem 1.5rem;border-radius:var(--r-sm);border:1px solid transparent;
  cursor:pointer;
  transition:background-color .25s var(--ease),border-color .25s var(--ease),
             color .25s var(--ease),transform .25s var(--ease);
}
.btn svg{flex:none;transition:transform .25s var(--ease)}
.btn--primary{background:var(--amber);color:var(--ink)}
.btn--primary:hover{background:var(--amber-soft);transform:translateY(-1px)}
.btn--primary:hover svg{transform:translateX(2px)}
.btn--line{border-color:var(--ln-2);color:var(--tx-1);backdrop-filter:blur(6px)}
.btn--line:hover{border-color:var(--ln-am);background:rgba(252,163,17,.07)}
.btn--lg{padding:1.125rem 1.875rem;font-size:1rem}
.btn--sm{padding:.6875rem 1.125rem;font-size:.875rem}
.btn--wide{width:100%}

.lnk{
  display:inline-flex;align-items:center;gap:.45rem;
  font-weight:600;font-size:.9375rem;color:var(--amber);padding-bottom:2px;
  background-image:linear-gradient(var(--amber),var(--amber));
  background-size:0% 1px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .3s var(--ease);
}
.lnk:hover{background-size:100% 1px}
.lnk svg{transition:transform .25s var(--ease)}
.lnk:hover svg{transform:translateX(3px)}

/* --- 6. Navegación (rig.ai: mínima) --------------------------------------- */
.nav{
  position:sticky;top:0;z-index:80;
  background:rgba(6,9,17,.72);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--ln-1);
}
.nav__in{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;height:4.5rem}
.nav__links{display:flex;align-items:center;gap:1.875rem}
.nav__link{font-size:.875rem;color:var(--tx-2);transition:color .2s var(--ease)}
.nav__link:hover{color:#fff}
.nav__cta{margin-left:.5rem}
.logo{
  display:inline-flex;align-items:center;
  font-family:var(--f-display);font-weight:700;font-size:1.125rem;
  letter-spacing:.2em;color:#fff;
}
.logo svg{margin-inline:1px}
.nav__burger{
  display:none;width:2.5rem;height:2.5rem;
  align-items:center;justify-content:center;
  background:none;border:1px solid var(--ln-2);border-radius:var(--r-sm);color:var(--tx-1);
}

/* --- 7. Hero -------------------------------------------------------------- */
.hero{position:relative;padding-block:clamp(3.5rem,7vw,6rem) clamp(4rem,8vw,7rem)}
.hero__in{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:clamp(2.5rem,5vw,4.5rem);align-items:center;
}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:.625rem;
  font-family:var(--f-mono);font-size:var(--t-label);
  letter-spacing:.2em;text-transform:uppercase;color:var(--amber);
}
.hero__eyebrow::before{content:"";width:1.75rem;height:1px;background:var(--amber)}
.hero__title{margin-top:1.5rem;font-size:var(--t-display);color:#fff}
.hero__lede{margin-top:1.625rem;max-width:34rem;font-size:var(--t-lede);line-height:1.55;color:var(--tx-2)}
.hero__cta{display:flex;flex-wrap:wrap;gap:.875rem;margin-top:2.25rem}
.hero__note{
  margin-top:1.75rem;padding-top:1.25rem;border-top:1px solid var(--ln-1);
  font-family:var(--f-mono);font-size:.75rem;color:var(--tx-4);max-width:30rem;
}

/* --- 8. Visual del sistema (hero) ---------------------------------------- */
.sys{display:flex;flex-direction:column;gap:.875rem}
.sys__src{
  display:flex;align-items:center;gap:.625rem;align-self:flex-start;
  padding:.5rem .875rem;border:1px solid var(--ln-1);border-radius:100px;
  background:rgba(12,17,30,.8);backdrop-filter:blur(8px);
  font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.08em;color:var(--tx-3);
  transition:border-color .4s var(--ease),color .4s var(--ease);
}
.sys__src svg{color:var(--tx-4);transition:color .4s var(--ease)}
.sys.is-1 .sys__src{border-color:var(--ln-am);color:var(--tx-1)}
.sys.is-1 .sys__src svg{color:var(--amber)}
.sys__pulse{width:.375rem;height:.375rem;border-radius:50%;background:var(--tx-4);transition:background-color .4s var(--ease),box-shadow .4s var(--ease)}
.sys.is-1 .sys__pulse{background:var(--amber);box-shadow:0 0 0 3px rgba(252,163,17,.18)}

.sys__link{position:relative;width:1px;height:1.25rem;margin-left:1.75rem;border-left:1px dashed var(--ln-1)}
.sys__link::after{content:"";position:absolute;top:0;left:-1px;width:1px;height:0;background:var(--amber);transition:height .5s var(--ease)}
.sys.is-2 .sys__link--a::after,.sys.is-3 .sys__link--b::after{height:1.25rem}

.sys__panel{
  border:1px solid var(--ln-1);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(12,17,30,.92),rgba(9,13,23,.92));
  backdrop-filter:blur(10px);
  overflow:hidden;box-shadow:0 28px 70px -28px rgba(0,0,0,.9);
  transition:border-color .4s var(--ease);
}
.sys.is-2 .sys__panel{border-color:var(--ln-2)}
.sys__bar{display:flex;align-items:center;gap:.625rem;padding:.875rem 1rem;border-bottom:1px solid var(--ln-1);background:rgba(255,255,255,.02)}
.sys__avatar{display:grid;place-items:center;width:1.875rem;height:1.875rem;border-radius:50%;background:var(--amber);color:var(--ink);font-family:var(--f-display);font-weight:700;font-size:.8125rem}
.sys__who{display:flex;flex-direction:column;gap:1px;min-width:0}
.sys__name{font-size:.8125rem;font-weight:600;color:#fff}
.sys__state{display:flex;align-items:center;gap:.375rem;font-family:var(--f-mono);font-size:.625rem;color:var(--tx-4)}
.sys__dot{width:.3125rem;height:.3125rem;border-radius:50%;background:#5BC98C}
.sys__thread{display:flex;flex-direction:column;gap:.5rem;padding:1.125rem 1rem;min-height:14.5rem}

.bub{
  max-width:82%;padding:.625rem .875rem;font-size:.8125rem;line-height:1.45;
  border-radius:var(--r-md);opacity:0;transform:translateY(6px);
  transition:opacity .45s var(--ease),transform .45s var(--ease);
}
.bub.is-on{opacity:1;transform:none}
.bub--in{align-self:flex-start;background:rgba(255,255,255,.055);color:var(--tx-1);border-bottom-left-radius:4px}
.bub--out{align-self:flex-end;background:rgba(252,163,17,.13);border:1px solid rgba(252,163,17,.22);color:#fff;border-bottom-right-radius:4px}
.bub b{font-weight:600;color:var(--amber)}
.bub__meta{display:block;margin-top:.375rem;font-family:var(--f-mono);font-size:.5625rem;color:var(--tx-4)}
.bub--typing{display:flex;gap:.25rem;padding:.75rem .875rem}
.bub--typing i{width:.3125rem;height:.3125rem;border-radius:50%;background:var(--tx-3);animation:blink 1.2s infinite}
.bub--typing i:nth-child(2){animation-delay:.15s}
.bub--typing i:nth-child(3){animation-delay:.3s}
@keyframes blink{0%,60%,100%{opacity:.25}30%{opacity:1}}

.sys__out{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.st{
  padding:.75rem .8125rem;border:1px solid var(--ln-1);border-radius:var(--r-md);
  background:rgba(12,17,30,.85);opacity:.45;
  transition:opacity .45s var(--ease),border-color .45s var(--ease),transform .45s var(--ease);
}
.st.is-on{opacity:1;border-color:var(--ln-am);transform:translateY(-2px)}
.st__k{display:flex;align-items:center;gap:.3125rem;font-family:var(--f-mono);font-size:.5625rem;letter-spacing:.1em;text-transform:uppercase;color:var(--tx-4);transition:color .45s var(--ease)}
.st.is-on .st__k{color:var(--amber)}
.st__v{margin-top:.375rem;font-size:.75rem;font-weight:600;color:var(--tx-1);line-height:1.3}

/* --- 9. Problema (rig.ai: subsecciones numeradas) ------------------------- */
.rows{margin-top:clamp(2.5rem,4vw,3.5rem);border-top:1px solid var(--ln-1)}
.row{
  display:grid;grid-template-columns:4rem 1fr 1.15fr;gap:1.5rem;align-items:baseline;
  padding-block:clamp(1.5rem,2.6vw,2.25rem);border-bottom:1px solid var(--ln-1);
  transition:background-color .3s var(--ease);
}
.row:hover{background:rgba(255,255,255,.015)}
.row__n{font-family:var(--f-mono);font-size:.8125rem;color:var(--amber)}
.row__t{font-family:var(--f-display);font-weight:600;font-size:var(--t-h3);color:#fff;letter-spacing:-.02em}
.row__d{font-size:var(--t-sm);line-height:1.6;color:var(--tx-2)}

.anchor-line{
  margin-top:clamp(2.5rem,4vw,3.5rem);padding-left:clamp(1rem,2vw,1.75rem);
  border-left:2px solid var(--amber);
  font-family:var(--f-display);font-weight:500;
  font-size:clamp(1.25rem,2.3vw,1.75rem);line-height:1.35;color:var(--tx-1);max-width:44ch;
}

/* --- 10. Sistema: 4 etapas ------------------------------------------------ */
.stages{margin-top:clamp(2.5rem,4vw,3.5rem);display:flex;flex-direction:column}
.stage{display:grid;grid-template-columns:3.25rem 1fr;gap:clamp(1rem,2.5vw,2rem);padding-block:clamp(1.75rem,3vw,2.5rem);border-top:1px solid var(--ln-1)}
.stage:last-child{border-bottom:1px solid var(--ln-1)}
.stage__rail{position:relative;display:flex;justify-content:center}
.stage__mark{
  position:relative;z-index:1;display:grid;place-items:center;
  width:2.25rem;height:2.25rem;border-radius:50%;
  border:1px solid var(--ln-2);background:var(--bg);
  font-family:var(--f-mono);font-size:.6875rem;color:var(--tx-3);
  transition:border-color .5s var(--ease),color .5s var(--ease),background-color .5s var(--ease);
}
.stage__rail::after{content:"";position:absolute;top:2.25rem;bottom:-2.5rem;width:1px;background:var(--ln-1)}
.stage:last-child .stage__rail::after{display:none}
.stage.is-on .stage__mark{border-color:var(--amber);color:var(--amber);background:rgba(252,163,17,.08)}
.stage__t{font-family:var(--f-display);font-weight:600;font-size:clamp(1.375rem,2.3vw,1.75rem);color:var(--tx-3);letter-spacing:-.02em;transition:color .5s var(--ease)}
.stage.is-on .stage__t{color:#fff}
.stage__d{margin-top:.625rem;font-size:var(--t-sm);line-height:1.6;color:var(--tx-2);max-width:48ch}
.chips{display:flex;flex-wrap:wrap;gap:.4375rem;margin-top:1.125rem}
.chip{
  padding:.3125rem .75rem;border:1px solid var(--ln-1);border-radius:100px;
  background:rgba(255,255,255,.02);
  font-family:var(--f-mono);font-size:.6875rem;color:var(--tx-4);
  transition:border-color .5s var(--ease),color .5s var(--ease);
}
.stage.is-on .chip{border-color:rgba(252,163,17,.22);color:var(--tx-2)}

/* --- 11. Proceso en carrusel (zaptatech) ---------------------------------
   Pasos numerados con viñetas + ilustración, unidos por una curva punteada
   que corre por detrás. Flechas y barra de progreso segmentada abajo. */
.proc{position:relative;margin-top:clamp(2.5rem,4vw,3.5rem)}
.proc__curve{
  position:absolute;left:0;right:0;bottom:5.5rem;height:9rem;
  z-index:0;pointer-events:none;opacity:.5;
}
.proc__curve path{stroke:var(--ln-2);stroke-width:1.5;stroke-dasharray:7 9;fill:none}

.proc .swiper{overflow:hidden;padding-bottom:.5rem}
.proc .swiper-slide{height:auto}
.pstep{position:relative;z-index:1;display:flex;flex-direction:column;height:100%;padding-right:clamp(1rem,3vw,2.5rem)}
.pstep__h{font-family:var(--f-display);font-weight:600;font-size:1.125rem;color:#fff}
.pstep__h span{color:var(--amber);margin-right:.35rem}
.pstep__l{margin-top:.875rem;display:flex;flex-direction:column;gap:.5rem}
.pstep__l li{position:relative;padding-left:1rem;font-size:.875rem;line-height:1.5;color:var(--tx-2)}
.pstep__l li::before{content:"";position:absolute;left:0;top:.6875rem;width:.3125rem;height:.3125rem;border-radius:50%;background:var(--amber)}
.pstep__art{
  margin-top:auto;padding-top:clamp(1.5rem,3vw,2.5rem);
  display:flex;align-items:flex-end;justify-content:center;
  min-height:11rem;
}
.pstep__art svg{width:100%;max-width:15rem;height:auto}
.pstep__base{margin-top:.75rem;height:1px;background:linear-gradient(90deg,transparent,var(--ln-2) 18%,var(--ln-2) 82%,transparent)}

.proc__ctl{display:flex;align-items:center;gap:1.5rem;margin-top:1.75rem}
.proc__bar{flex:1;display:flex;gap:.375rem}
.proc__seg{flex:1;height:2px;background:var(--ln-1);border-radius:2px;overflow:hidden}
.proc__seg.is-on{background:var(--amber)}
.proc__nav{display:flex;gap:.5rem}
.pbtn{
  width:2.75rem;height:2.75rem;display:grid;place-items:center;
  border:1px solid var(--ln-2);border-radius:var(--r-sm);
  background:rgba(12,17,30,.6);color:var(--tx-1);cursor:pointer;
  transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.pbtn:hover:not(:disabled):not(.is-disabled){border-color:var(--ln-am);background:rgba(252,163,17,.08);color:var(--amber)}
.pbtn:disabled,.pbtn.is-disabled{opacity:.32;cursor:default;pointer-events:none}

/* Respaldo si el CDN del carrusel no cargara: scroll horizontal nativo. */
.swiper.is-fallback{display:flex;overflow-x:auto;gap:2rem;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.swiper.is-fallback .swiper-wrapper{display:contents}
.swiper.is-fallback .swiper-slide{flex:0 0 min(85%,26rem);scroll-snap-align:start}

/* --- 12. Servicios (salo.uk: filas full-width) ---------------------------- */
.svcs{margin-top:clamp(2.5rem,4vw,3.5rem);border-top:1px solid var(--ln-1)}
.svc{
  display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(1.75rem,4vw,4rem);
  align-items:center;
  padding-block:clamp(2.25rem,4.5vw,3.5rem);
  border-bottom:1px solid var(--ln-1);
}
.svc__n{font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amber)}
.svc__t{margin-top:.875rem;font-family:var(--f-display);font-weight:600;font-size:clamp(1.5rem,2.6vw,2rem);color:#fff;letter-spacing:-.02em}
.svc__d{margin-top:.875rem;font-size:var(--t-sm);line-height:1.65;color:var(--tx-2);max-width:44ch}
.svc__cta{margin-top:1.25rem}

/* Tira de mockups abstractos: 3 tarjetas que se separan al hover. */
.mocks{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}
.mock{
  border:1px solid var(--ln-1);border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(12,17,30,.9),rgba(9,13,23,.9));
  padding:.875rem;min-height:9.5rem;
  display:flex;flex-direction:column;gap:.5rem;
  transition:transform .35s var(--ease),border-color .35s var(--ease);
}
.svc:hover .mock{border-color:rgba(252,163,17,.2)}
.svc:hover .mock:nth-child(1){transform:translateY(-4px)}
.svc:hover .mock:nth-child(2){transform:translateY(-8px)}
.svc:hover .mock:nth-child(3){transform:translateY(-4px)}
.mock__k{font-family:var(--f-mono);font-size:.5625rem;letter-spacing:.1em;text-transform:uppercase;color:var(--tx-4)}
.mock__b{display:flex;flex-direction:column;gap:.375rem;margin-top:auto}
.mock__ln{height:.375rem;border-radius:3px;background:rgba(255,255,255,.07)}
.mock__ln--am{background:rgba(252,163,17,.45)}
.mock__ln--w60{width:60%}
.mock__ln--w40{width:40%}
.mock__ln--w80{width:80%}
.mock__dot{width:1.5rem;height:1.5rem;border-radius:50%;background:rgba(252,163,17,.16);border:1px solid rgba(252,163,17,.3)}
.mock__pill{align-self:flex-start;padding:.25rem .5rem;border-radius:100px;border:1px solid var(--ln-1);font-family:var(--f-mono);font-size:.5rem;color:var(--tx-3)}

/* --- 13. Antes / Después --------------------------------------------------- */
.duo{
  margin-top:clamp(2.5rem,4vw,3.5rem);
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--ln-1);border:1px solid var(--ln-1);border-radius:var(--r-lg);overflow:hidden;
}
.duo__col{padding:clamp(1.75rem,3vw,2.5rem);background:rgba(6,9,17,.6)}
.duo__col--next{background:linear-gradient(180deg,rgba(252,163,17,.06),rgba(6,9,17,.6) 60%)}
.duo__k{font-family:var(--f-mono);font-size:var(--t-label);letter-spacing:.18em;text-transform:uppercase}
.duo__col--now .duo__k{color:var(--tx-4)}
.duo__col--next .duo__k{color:var(--amber)}
.chain{margin-top:1.5rem;display:flex;flex-direction:column}
.chain li{position:relative;padding:.625rem 0 .625rem 1.75rem;font-size:var(--t-sm);line-height:1.5;transition:color .3s var(--ease)}
.chain li::before{content:"";position:absolute;left:.3125rem;top:1.125rem;width:.4375rem;height:.4375rem;border-radius:50%}
.chain li::after{content:"";position:absolute;left:.5rem;top:1.5625rem;bottom:-.3125rem;width:1px}
.chain li:last-child::after{display:none}

/* Progresión de color: el proceso manual se degrada hacia el rojo; el proceso
   con VISHIAN avanza hacia el verde y remata en ámbar (la oportunidad). */
.chain--bad li.lv0{color:var(--tx-2)}
.chain--bad li.lv1{color:#B79A94}
.chain--bad li.lv2{color:#C98B84}
.chain--bad li.lv3{color:#D47C74}
.chain--bad li.lv4{color:#E06A62}
.chain--bad li.lv0::before{background:var(--tx-4)}
.chain--bad li.lv1::before{background:#9C7A72}
.chain--bad li.lv2::before{background:#B56A61}
.chain--bad li.lv3::before{background:#C85B51}
.chain--bad li.lv4::before{background:#E04B40;box-shadow:0 0 0 3px rgba(224,75,64,.16)}
.chain--bad li.lv0::after{background:var(--ln-1)}
.chain--bad li.lv1::after{background:rgba(180,110,100,.35)}
.chain--bad li.lv2::after{background:rgba(200,95,84,.4)}
.chain--bad li.lv3::after{background:rgba(220,80,70,.45)}

.chain--good li.lv0{color:var(--tx-2)}
.chain--good li.lv1,.chain--good li.lv2,.chain--good li.lv3,.chain--good li.lv4{color:var(--tx-1)}
.chain--good li.lv0::before{background:var(--tx-4)}
.chain--good li.lv1::before{background:#3F9E77}
.chain--good li.lv2::before{background:#3FAE7C}
.chain--good li.lv3::before{background:#3FBE80}
.chain--good li.lv4::before{background:#45CB86;box-shadow:0 0 0 3px rgba(69,203,134,.16)}
.chain--good li.lv0::after{background:var(--ln-1)}
.chain--good li.lv1::after{background:rgba(63,158,119,.4)}
.chain--good li.lv2::after{background:rgba(63,174,124,.45)}
.chain--good li.lv3::after{background:rgba(63,190,128,.5)}

/* Resultado final de cada columna. */
.out{
  margin-top:1.25rem;
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.75rem 1.125rem;border-radius:var(--r-sm);
  font-family:var(--f-display);font-weight:600;font-size:.9375rem;
}
.out--bad{background:rgba(224,75,64,.12);border:1px solid rgba(224,75,64,.34);color:#F08B83}
.out--good{background:var(--amber);border:1px solid var(--amber);color:var(--ink)}

/* --- 14. Diferenciación: dos flujos enfrentados --------------------------- */
.vsx{
  margin-top:clamp(2.5rem,4vw,3.5rem);
  display:grid;grid-template-columns:1fr auto 1fr;
  gap:clamp(1rem,2.5vw,2rem);align-items:stretch;
}
.vsx__col{
  padding:clamp(1.5rem,3vw,2.25rem);
  border:1px solid var(--ln-1);border-radius:var(--r-lg);
  background:rgba(9,13,23,.55);
  display:flex;flex-direction:column;
}
.vsx__col--us{
  border-color:var(--ln-am);
  background:linear-gradient(180deg,rgba(252,163,17,.06),rgba(9,13,23,.6) 55%);
  box-shadow:0 0 0 1px rgba(252,163,17,.08),0 24px 60px -32px rgba(252,163,17,.35);
}
.vsx__k{
  display:block;text-align:center;
  font-family:var(--f-mono);font-size:var(--t-label);
  letter-spacing:.2em;text-transform:uppercase;color:var(--tx-4);
}
.vsx__col--us .vsx__k{color:var(--amber)}

.vsx__flow{margin-top:1.75rem;display:flex;flex-direction:column;align-items:stretch;gap:0}
.vsx__box{
  position:relative;
  padding:.875rem 1rem;
  border:1px solid var(--ln-1);border-radius:var(--r-sm);
  background:rgba(255,255,255,.03);
  font-size:.875rem;font-weight:500;color:var(--tx-2);
  text-align:center;
  transition:border-color .3s var(--ease),color .3s var(--ease),background-color .3s var(--ease);
}
/* Conector vertical entre cajas. */
.vsx__box + .vsx__box{margin-top:1.75rem}
.vsx__box + .vsx__box::before{
  content:"";position:absolute;left:50%;top:-1.75rem;
  width:1px;height:1.75rem;background:var(--ln-2);
}
.vsx__col--us .vsx__box{
  border-color:rgba(252,163,17,.2);
  background:rgba(255,255,255,.045);
  color:var(--tx-1);font-weight:600;
}
.vsx__col--us .vsx__box + .vsx__box::before{background:var(--amber);opacity:.75}
.vsx__col--us .vsx__box:hover{border-color:var(--ln-am);background:rgba(252,163,17,.09)}

.vsx__note{
  margin-top:auto;padding-top:1.75rem;
  font-size:.8125rem;line-height:1.5;text-align:center;color:var(--tx-4);
}
.vsx__col--us .vsx__note{color:var(--tx-2);font-weight:500}

.vsx__mid{display:flex;align-items:center;justify-content:center}
.vsx__mid span{
  font-family:var(--f-mono);font-weight:700;font-size:.875rem;
  letter-spacing:.1em;color:var(--amber);
  padding:.5rem .625rem;border:1px solid var(--ln-am);border-radius:100px;
  background:rgba(6,9,17,.8);
}

/* --- 15. Planes: tres niveles, Eclipse destacado al centro ---------------- */
.plans{
  margin-top:clamp(2.5rem,4vw,3.5rem);
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:clamp(1rem,2vw,1.5rem);align-items:stretch;
}
.plan{
  position:relative;display:flex;flex-direction:column;
  padding:clamp(1.5rem,2.6vw,2rem);
  border:1px solid var(--ln-1);border-radius:var(--r-lg);
  background:rgba(9,13,23,.6);
  transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.plan:hover{border-color:var(--ln-2);transform:translateY(-3px)}
/* El plan recomendado se eleva y se enmarca en ámbar. */
.plan--best{
  border-color:var(--ln-am);
  background:linear-gradient(180deg,rgba(252,163,17,.07),rgba(9,13,23,.7) 55%);
  box-shadow:0 0 0 1px rgba(252,163,17,.1),0 30px 70px -34px rgba(252,163,17,.45);
  transform:translateY(-10px);
}
.plan--best:hover{transform:translateY(-13px)}
.plan__badge{
  position:absolute;top:-.6875rem;left:50%;transform:translateX(-50%);
  padding:.3125rem .75rem;border-radius:100px;
  background:var(--amber);color:var(--ink);
  font-family:var(--f-mono);font-size:.5625rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;
}
.plan__k{font-family:var(--f-display);font-weight:700;font-size:1.375rem;color:#fff}
.plan--best .plan__k{color:var(--amber)}
.plan__r{margin-top:.25rem;font-family:var(--f-mono);font-size:.625rem;letter-spacing:.14em;text-transform:uppercase;color:var(--tx-4)}
.plan__p{
  margin-top:1.25rem;
  font-family:var(--f-mono);font-weight:700;font-size:2.25rem;color:#fff;line-height:1;
}
.plan--best .plan__p{color:var(--amber)}
.plan__p span{font-size:.75rem;font-weight:400;color:var(--tx-4);margin-left:.375rem;letter-spacing:.04em}
.plan__d{margin-top:1rem;font-size:.875rem;line-height:1.55;color:var(--tx-2)}
.plan__l{
  margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid var(--ln-1);
  display:flex;flex-direction:column;gap:.625rem;flex:1;
}
.plan__l li{position:relative;padding-left:1.25rem;font-size:.8125rem;line-height:1.5;color:var(--tx-3)}
.plan__l li::before{
  content:"";position:absolute;left:0;top:.5rem;
  width:.4375rem;height:.4375rem;border-radius:50%;
  border:1px solid var(--tx-4);
}
.plan--best .plan__l li{color:var(--tx-2)}
.plan--best .plan__l li::before{background:var(--amber);border-color:var(--amber)}
.plan .btn{margin-top:1.5rem}
.plans__note{
  margin-top:1.75rem;text-align:center;
  font-size:.8125rem;color:var(--tx-4);
}
.plans__note a{color:var(--amber);text-decoration:underline;text-underline-offset:3px}

/* --- 15b. Desplegable de infraestructura dentro del plan ------------------ */
.pdrop{
  margin-top:1.25rem;padding-top:1.25rem;
  border-top:1px solid var(--ln-1);
}
.pdrop__q{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  cursor:pointer;list-style:none;
  font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--amber);
  transition:color .2s var(--ease);
}
.pdrop__q::-webkit-details-marker{display:none}
.pdrop__q::marker{content:""}
.pdrop__q:hover{color:var(--amber-soft)}
.pdrop__i{position:relative;flex:none;width:.6875rem;height:.6875rem}
.pdrop__i::before,.pdrop__i::after{
  content:"";position:absolute;background:currentColor;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.pdrop__i::before{top:50%;left:0;width:100%;height:1.5px;transform:translateY(-50%)}
.pdrop__i::after{left:50%;top:0;height:100%;width:1.5px;transform:translateX(-50%)}
.pdrop[open] .pdrop__i::after{transform:translateX(-50%) rotate(90deg);opacity:0}
.pdrop__a{margin-top:1rem;display:flex;flex-direction:column;gap:.4375rem}
.pdrop__t{
  padding:.5rem .625rem;
  border:1px solid var(--ln-1);border-radius:var(--r-sm);
  background:rgba(255,255,255,.025);
  font-family:var(--f-mono);font-size:.6875rem;color:var(--tx-2);
}

/* --- 15c. Encaje: continuación de los planes, a mayor escala -------------- */
.fits{
  margin-top:clamp(2.5rem,4.5vw,4rem);
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.25rem,2.5vw,2rem);
}
.fit{
  padding:clamp(1.75rem,3.2vw,2.5rem);
  border:1px solid var(--ln-1);border-radius:var(--r-lg);
}
.fit--yes{background:linear-gradient(180deg,rgba(52,168,110,.08),rgba(9,13,23,.6) 60%);border-color:rgba(52,168,110,.3)}
.fit--no{background:linear-gradient(180deg,rgba(214,84,84,.07),rgba(9,13,23,.6) 60%);border-color:rgba(214,84,84,.26)}
.fit__t{font-family:var(--f-display);font-weight:600;font-size:clamp(1.25rem,2vw,1.5rem);color:#fff;letter-spacing:-.02em}
.fit__l{margin-top:1.375rem;display:flex;flex-direction:column;gap:.9375rem}
.fit__l li{position:relative;padding-left:2rem;font-size:1rem;line-height:1.5;color:var(--tx-2)}
.fit__l li::before{
  content:"";position:absolute;left:0;top:.1875rem;
  width:1.25rem;height:1.25rem;border-radius:50%;
  background-repeat:no-repeat;background-position:center;background-size:.6875rem;
}
.fit--yes .fit__l li::before{
  background-color:rgba(52,168,110,.18);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2334A86E' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12l6 6L20 6'/%3E%3C/svg%3E");
}
.fit--no .fit__l li::before{
  background-color:rgba(214,84,84,.16);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D65454' stroke-width='4' stroke-linecap='round'%3E%3Cpath d='M6 6l12 12M18 6L6 18'/%3E%3C/svg%3E");
}

/* --- 16. Infraestructura / grid de nodos ---------------------------------- */
.nodes{margin-top:clamp(2rem,3.5vw,3rem);display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--ln-1);border:1px solid var(--ln-1);border-radius:var(--r-lg);overflow:hidden}
.node{
  padding:clamp(1.125rem,2.2vw,1.5rem);background:rgba(6,9,17,.7);
  display:flex;flex-direction:column;gap:.5rem;
  transition:background-color .3s var(--ease);
}
.node:hover{background:rgba(252,163,17,.045)}
.node__i{width:2rem;height:2rem;display:grid;place-items:center;border-radius:var(--r-sm);border:1px solid rgba(252,163,17,.24);background:rgba(252,163,17,.08);color:var(--amber)}
.node__t{font-size:.875rem;font-weight:600;color:#fff}
.node__d{font-size:.75rem;line-height:1.45;color:var(--tx-3)}

/* --- 17. Grid de 3 / garantías / pasos ------------------------------------ */
.grid3{margin-top:clamp(2.5rem,4vw,3.5rem);display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ln-1);border:1px solid var(--ln-1);border-radius:var(--r-lg);overflow:hidden}
.cell{padding:clamp(1.5rem,3vw,2rem);background:rgba(6,9,17,.7)}
.cell__k{font-family:var(--f-mono);font-size:var(--t-label);letter-spacing:.16em;text-transform:uppercase;color:var(--amber)}
.cell__t{margin-top:1rem;font-family:var(--f-display);font-weight:600;font-size:1.0625rem;color:#fff}
.cell__l{margin-top:.875rem;display:flex;flex-direction:column;gap:.5rem}
.cell__l li{position:relative;padding-left:1rem;font-size:.875rem;line-height:1.5;color:var(--tx-2)}
.cell__l li::before{content:"";position:absolute;left:0;top:.6875rem;width:.3125rem;height:1px;background:var(--amber)}

.gs{margin-top:clamp(2.5rem,4vw,3.5rem);display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.25rem,2.5vw,2rem)}
.g{padding-top:1.25rem;border-top:1px solid var(--ln-am)}
.g__n{font-family:var(--f-mono);font-size:.6875rem;color:var(--amber)}
.g__t{margin-top:.75rem;font-family:var(--f-display);font-weight:600;font-size:1rem;color:#fff}
.g__d{margin-top:.5rem;font-size:.8125rem;line-height:1.55;color:var(--tx-3)}

.steps{margin-top:clamp(2.5rem,4vw,3.5rem);display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ln-1);border-block:1px solid var(--ln-1)}
.step{padding:clamp(1.5rem,3vw,2.25rem);background:rgba(6,9,17,.7)}
.step__n{font-family:var(--f-mono);font-size:2rem;font-weight:700;color:rgba(252,163,17,.22);line-height:1}
.step__t{margin-top:1rem;font-family:var(--f-display);font-weight:600;font-size:1.125rem;color:#fff}
.step__d{margin-top:.625rem;font-size:.875rem;line-height:1.55;color:var(--tx-2)}

/* --- 18. Acordeón --------------------------------------------------------- */
.acc{margin-top:clamp(2rem,3.5vw,3rem);border-top:1px solid var(--ln-1)}
.ac{border-bottom:1px solid var(--ln-1)}
.ac__q{
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  padding-block:1.25rem;cursor:pointer;list-style:none;
  font-family:var(--f-display);font-weight:500;font-size:clamp(1rem,1.4vw,1.0625rem);color:var(--tx-1);
  transition:color .2s var(--ease);
}
.ac__q::-webkit-details-marker{display:none}
.ac__q::marker{content:""}
.ac__q:hover{color:#fff}
.ac__i{position:relative;flex:none;width:.875rem;height:.875rem}
.ac__i::before,.ac__i::after{content:"";position:absolute;background:var(--amber);transition:transform .3s var(--ease),opacity .3s var(--ease)}
.ac__i::before{top:50%;left:0;width:100%;height:1.5px;transform:translateY(-50%)}
.ac__i::after{left:50%;top:0;height:100%;width:1.5px;transform:translateX(-50%)}
.ac[open] .ac__i::after{transform:translateX(-50%) rotate(90deg);opacity:0}
.ac__a{padding-bottom:1.5rem;max-width:62ch;font-size:var(--t-sm);line-height:1.65;color:var(--tx-2)}
.ac__a a{color:var(--amber);text-decoration:underline;text-underline-offset:3px}

/* --- 19. Cierre + footer --------------------------------------------------- */
.cta{position:relative;padding-block:clamp(5rem,9vw,8rem);border-top:1px solid var(--ln-1)}
.cta__in{position:relative;text-align:center;max-width:44rem;margin-inline:auto}
.cta__t{font-size:var(--t-h2);color:#fff}
.cta__d{margin-top:1.25rem;font-size:var(--t-lede);line-height:1.55;color:var(--tx-2)}
.cta__b{margin-top:2.25rem;display:flex;justify-content:center}
.cta__f{margin-top:1.5rem;font-family:var(--f-mono);font-size:.75rem;color:var(--tx-4)}

.foot{border-top:1px solid var(--ln-1);padding-block:clamp(2.5rem,5vw,4rem);background:rgba(4,6,11,.85)}
.foot__in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
.foot__d{margin-top:.875rem;font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.12em;text-transform:uppercase;color:var(--tx-4);max-width:26ch;line-height:1.7}
.foot__k{font-family:var(--f-mono);font-size:.625rem;letter-spacing:.16em;text-transform:uppercase;color:var(--tx-4)}
.foot__l{margin-top:1rem;display:flex;flex-direction:column;gap:.625rem}
.foot__l a{font-size:.875rem;color:var(--tx-2);transition:color .2s var(--ease)}
.foot__l a:hover{color:var(--amber)}
.foot__bot{margin-top:clamp(2rem,4vw,3rem);padding-top:1.5rem;border-top:1px solid var(--ln-1);display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.75rem;color:var(--tx-4)}

.dock{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:.75rem 1rem calc(.75rem + env(safe-area-inset-bottom));
  background:rgba(6,9,17,.95);backdrop-filter:blur(14px);
  border-top:1px solid var(--ln-1);
}

/* --- 20. Reveal ------------------------------------------------------------ */
.rv{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease) var(--d,0ms),transform .7s var(--ease) var(--d,0ms)}
.rv.in{opacity:1;transform:none}

/* --- 21. Responsive -------------------------------------------------------- */
@media (max-width:1080px){
  .gs,.nodes{grid-template-columns:repeat(2,1fr)}
  .plans{gap:.875rem}
  .plan{padding:1.375rem}
}
@media (max-width:960px){
  .hero__in{grid-template-columns:1fr;gap:3rem}
  .hero__lede{max-width:44rem}
  .svc{grid-template-columns:1fr;gap:1.75rem}
  .foot__in{grid-template-columns:1fr 1fr}
  .row{grid-template-columns:3rem 1fr;gap:1rem 1.25rem}
  .row__d{grid-column:2}
  .fits{grid-template-columns:1fr}
  /* El "VS" pasa a separador horizontal cuando las columnas se apilan. */
  .vsx{grid-template-columns:1fr;gap:1.25rem}
  .vsx__mid{padding-block:.25rem}
}
@media (max-width:820px){
  .nav__links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:.5rem var(--gut) 1.25rem;background:rgba(6,9,17,.99);
    border-bottom:1px solid var(--ln-1);
  }
  .nav__links.open{display:flex}
  .nav__link{padding-block:.875rem;border-bottom:1px solid var(--ln-1);font-size:1rem}
  .nav__cta{margin:1rem 0 0}
  .nav__burger{display:flex}
  .dock{display:block}
  body{padding-bottom:5rem}
  .steps,.grid3{grid-template-columns:1fr}
  .cell,.step{border-bottom:1px solid var(--ln-1)}
  .duo{grid-template-columns:1fr}
  /* Los planes se apilan: el destacado deja de estar elevado para no cortarse. */
  .plans{grid-template-columns:1fr;gap:1.5rem}
  .plan--best{transform:none}
  .plan--best:hover{transform:translateY(-3px)}
  .bg__shape{opacity:.55}
}
@media (max-width:640px){
  .nodes{grid-template-columns:1fr}
  .gs{grid-template-columns:1fr}
  .sys__out{grid-template-columns:1fr}
  .foot__in{grid-template-columns:1fr}
  .mocks{grid-template-columns:repeat(3,1fr);gap:.5rem}
  .mock{min-height:7.5rem;padding:.625rem}
  .proc__curve{display:none}
}
@media (max-width:420px){
  .row{grid-template-columns:1fr}
  .row__d{grid-column:1}
}

/* --- 22. Movimiento reducido ----------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .rv{opacity:1;transform:none}
  .bub{opacity:1;transform:none}
  .st{opacity:1}
  .stage__t{color:#fff}
  .stage__mark{border-color:var(--amber);color:var(--amber)}
  .bg__shape{animation:none}
}