/* BSID · sitio principal
   Paleta oficial: blanco #FFFFFF, negro #000000, rojo #D62628, gris #E4E4E4.
   Los textos secundarios son negro o blanco con transparencia, para no salir de la paleta. */
:root{
  --white:#FFFFFF;
  --black:#000000;
  --red:#D62628;
  --red-dark:#B51E20;
  --grey:#E4E4E4;

  --bg:var(--white);
  --ink:var(--black);
  --muted:rgba(0,0,0,.6);
  --body:rgba(0,0,0,.78);
  --line:var(--grey);

  --wrap:1240px;
  --gutter:clamp(18px,4.6vw,44px);
  --display:"Archivo","Arial Black","Helvetica Neue",Arial,sans-serif;
  --text:"Instrument Sans","Segoe UI",system-ui,-apple-system,Arial,sans-serif;
  --head:64px;
}
/* secciones sobre fondo negro y sobre gris */
.dark{--bg:var(--black);--ink:var(--white);--muted:rgba(255,255,255,.64);--body:rgba(255,255,255,.84);--line:rgba(255,255,255,.2);background:var(--bg);color:var(--ink)}
.grey{--bg:var(--grey);--line:rgba(0,0,0,.2);--muted:rgba(0,0,0,.66);background:var(--bg)}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--head) + 16px)}
body{margin:0;background:var(--white);color:var(--black);font:400 1.0625rem/1.62 var(--text);-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:4px}
.dark :focus-visible{outline-color:#fff}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-999px;top:8px;background:var(--black);color:#fff;padding:10px 16px;border-radius:8px;z-index:60}
.skip:focus{left:8px}

/* botones: sobre claro van en negro, sobre oscuro van en blanco */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;border:1.5px solid transparent;font:600 1rem/1 var(--text);text-decoration:none;cursor:pointer;transition:background-color .2s,color .2s,border-color .2s}
.btn--solid{background:var(--ink);color:var(--bg)}
.btn--solid:hover{background:var(--red);color:#fff}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent;border-color:color-mix(in srgb,var(--ink) 45%,transparent)}
.btn--ghost:hover{border-color:var(--red);background:var(--red);color:#fff}
.btn--sm{min-height:40px;padding:0 18px;font-size:.9375rem}
.btn svg{width:18px;height:18px}

/* encabezado */
.site{position:sticky;top:0;z-index:40;background:rgba(0,0,0,.9);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:#fff;border-bottom:1px solid rgba(255,255,255,.14);--ink:#fff;--bg:#000}
.bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--head)}
.brand{display:inline-flex;align-items:baseline;gap:3px;text-decoration:none;font:900 1.55rem/1 var(--display);font-stretch:125%;letter-spacing:.01em}
.brand img{display:block;height:32px;width:auto}
.foot .brand img{height:34px}
.nav{display:none;gap:34px;font-weight:500}
.nav a{text-decoration:none;color:rgba(255,255,255,.68);transition:color .15s;padding-block:6px;border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a[aria-current="page"]{color:#fff;border-bottom-color:var(--red)}
@media(min-width:860px){.nav{display:flex}}
.site :focus-visible{outline-color:#fff}

/* títulos */
.h-xl{font:700 clamp(2.4rem,5.4vw,4.4rem)/1.02 var(--display);font-stretch:102%;letter-spacing:-.02em;text-wrap:balance}
.h-lg{font:700 clamp(1.9rem,4.2vw,3.2rem)/1.06 var(--display);font-stretch:106%;letter-spacing:-.015em;text-wrap:balance}
.lead{font-size:clamp(1.0625rem,1.5vw,1.25rem);color:var(--body);max-width:48ch}

/* hero */
.hero{position:relative;overflow:hidden;padding-block:clamp(28px,5vw,72px) clamp(8px,3vw,40px)}
.hero-grid{display:grid;gap:8px;align-items:center}
@media(min-width:960px){.hero-grid{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:24px}}
.hero .lead{margin-top:26px}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-art{position:relative;height:clamp(360px,100vw,680px);margin-inline:calc(var(--gutter)*-1)}
@media(min-width:960px){.hero-art{height:clamp(420px,40vw,560px);margin-inline:0 calc(var(--gutter)*-1)}}
.hero-art canvas{position:absolute;left:0;top:0;width:100%;height:calc(100% - 56px);touch-action:pan-y}
.pause{position:absolute;right:var(--gutter);bottom:10px;display:grid;place-items:center;width:36px;height:36px;padding:0;background:transparent;color:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.2);border-radius:50%;cursor:pointer;transition:color .2s,border-color .2s}
.pause:hover{color:#fff;border-color:rgba(255,255,255,.6)}
.pause svg{width:14px;height:14px;fill:currentColor}
.pause .i-play,.pause[aria-pressed="true"] .i-pause{display:none}
.pause[aria-pressed="true"] .i-play{display:block}
.pause[hidden]{display:none}

/* circuito: sección fijada que acerca la cámara a cada etapa */
.circuit{position:relative}
.circuit-stick{position:relative}
.circuit-canvas{display:none;position:absolute;inset:0;width:100%;height:100%}
.circuit-text{position:relative;padding-block:clamp(40px,7vw,96px)}
.card{padding-block:28px;border-top:1px solid var(--line)}
.card:first-child{border-top:0}
.card h3{font:700 clamp(1.5rem,3vw,2.35rem)/1.1 var(--display);font-stretch:104%;letter-spacing:-.012em;max-width:19ch}
.card p{margin-top:14px;color:var(--body);max-width:44ch}
.rail{display:none}

.circuit.is-3d{height:700vh}
.circuit.is-3d .circuit-stick{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.circuit.is-3d .circuit-canvas{display:block}
.circuit.is-3d .circuit-text{position:absolute;inset:0;padding:0;pointer-events:none}
.circuit.is-3d .cards{position:absolute;top:0;bottom:0;left:var(--gutter);right:var(--gutter)}
.circuit.is-3d .card{position:absolute;left:0;bottom:clamp(40px,12vh,120px);width:min(430px,100%);border:0;padding:0;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .45s,transform .45s,visibility 0s .45s}
.circuit.is-3d .card.is-on{opacity:1;visibility:visible;transform:none;pointer-events:auto;transition:opacity .45s .08s,transform .45s .08s,visibility 0s}
.circuit.is-3d .rail{display:flex;position:absolute;right:max(4px,calc(var(--gutter) - 12px));top:50%;transform:translateY(-50%);flex-direction:column;pointer-events:auto;z-index:2}
.rail button{display:flex;align-items:center;justify-content:flex-end;gap:12px;background:none;border:0;padding:12px;cursor:pointer;color:var(--muted);font:500 .875rem var(--text)}
.rail button span{opacity:0;transform:translateX(6px);transition:opacity .2s,transform .2s}
.rail button:hover span,.rail button:focus-visible span,.rail button[aria-current="true"] span{opacity:1;transform:none}
.rail button::after{content:"";width:11px;height:11px;border-radius:50%;border:2px solid rgba(255,255,255,.55);background:var(--bg);transition:background .2s,border-color .2s}
.rail button[aria-current="true"]{color:var(--ink)}
.rail button[aria-current="true"]::after{background:var(--red);border-color:var(--red)}
@media(max-width:759px){
  .circuit.is-3d{height:640vh}
  .circuit.is-3d .cards{left:var(--gutter);right:calc(var(--gutter) + 22px)}
  .circuit.is-3d .card{bottom:max(28px,5vh)}
  .circuit.is-3d .circuit-text::before{content:"";position:absolute;left:0;right:0;bottom:0;height:60%;background:linear-gradient(to top,#000 58%,rgba(0,0,0,0));transition:opacity .45s}
  .circuit.is-3d.is-overview .circuit-text::before{opacity:0}
  .circuit.is-3d .rail{top:32%}
  .rail button span{display:none}
}

/* declaración */
.statement{padding-block:clamp(72px,10vw,150px)}
.big{font:600 clamp(1.7rem,4vw,3.3rem)/1.14 var(--display);font-stretch:100%;letter-spacing:-.015em;max-width:26ch;text-wrap:balance}
.trio{margin-top:clamp(40px,6vw,84px);display:grid;gap:36px 32px}
@media(min-width:860px){.trio{grid-template-columns:repeat(3,1fr)}}
.trio li{position:relative;border-top:1px solid var(--ink);padding-top:22px}
.trio li::before{content:"";position:absolute;left:0;top:-6px;width:11px;height:11px;border-radius:50%;background:var(--red)}
.trio h3{font:700 1.2rem/1.2 var(--display);font-stretch:100%}
.trio p{margin-top:10px;color:var(--body);max-width:34ch}
.statement .btn{margin-top:clamp(36px,5vw,64px)}

/* secciones */
.sec{padding-block:clamp(56px,8vw,112px)}

/* preguntas */
.faq{margin-top:clamp(28px,4vw,48px);border-bottom:1px solid var(--line);max-width:860px}
.faq details{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;min-height:56px;font:700 1.125rem/1.3 var(--display);font-stretch:100%}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;border-right:2.5px solid var(--red);border-bottom:2.5px solid var(--red);transform:rotate(45deg) translateY(-3px);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg) translate(-3px,-1px)}
.faq details p{padding:0 40px 24px 0;color:var(--body);max-width:62ch}
.faq details a{text-decoration:underline;text-decoration-color:var(--red);text-underline-offset:3px}

/* cierre */
.close{position:relative;overflow:hidden;padding-block:clamp(72px,10vw,150px)}
.close .wrap{position:relative}
.close .h-xl{max-width:11ch}
.close .lead{margin-top:24px}
.close .btn{margin-top:34px}
.steps{margin-top:clamp(48px,7vw,96px);display:grid;gap:28px 32px;counter-reset:s}
@media(min-width:860px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{counter-increment:s;border-top:1px solid var(--line);padding-top:18px;max-width:34ch}
.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;margin-bottom:14px;border-radius:50%;border:1.5px solid var(--ink);font:700 .95rem var(--display)}
.steps strong{display:block;font:700 1.1rem/1.25 var(--display);font-stretch:100%}
.steps span{display:block;margin-top:4px;color:var(--muted)}

/* pie */
.foot{padding-block:56px 40px;border-top:1px solid var(--grey);background:var(--white)}
.foot-grid{display:grid;gap:32px}
@media(min-width:760px){.foot-grid{grid-template-columns:1.2fr 1fr 1fr 1fr}}
.foot h3{font:700 .9375rem var(--display);font-stretch:100%;margin-bottom:12px}
.foot li+li{margin-top:8px}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--black);text-decoration:underline}
.foot li a{display:inline-block;padding-block:3px}
.foot .legal{margin-top:40px;padding-top:20px;border-top:1px solid var(--grey);color:var(--muted);font-size:.875rem}

/* ---------- página de servicios ---------- */
.page-hero{padding-block:clamp(48px,7vw,104px) clamp(48px,7vw,96px)}
.page-hero .lead{margin-top:24px}
.svc-layout{display:grid;gap:0 clamp(32px,5vw,80px);padding-block:clamp(8px,2vw,24px) clamp(40px,6vw,88px)}
.svc-stage{display:none}
@media(min-width:960px){
  .svc-layout{grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr)}
  .svc-stage{display:block;position:sticky;top:var(--head);height:calc(100vh - var(--head));height:calc(100svh - var(--head));align-self:start}
  .svc-stage canvas{position:absolute;inset:0;width:100%;height:100%;-webkit-mask-image:linear-gradient(to right,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(to right,transparent,#000 10%,#000 90%,transparent)}
}
.svc{padding-block:clamp(36px,5vw,64px);border-top:1px solid var(--line)}
.svc:first-child{border-top:0}
@media(min-width:960px){.svc{min-height:62vh}}
.svc-tag{display:flex;align-items:center;gap:10px;color:var(--muted);font-weight:500;font-size:.9375rem}
.svc-tag::before{content:"";width:10px;height:10px;border-radius:50%;border:2px solid var(--red);flex:none}
.svc h2{margin-top:14px;font:700 clamp(1.7rem,3.2vw,2.5rem)/1.08 var(--display);font-stretch:104%;letter-spacing:-.014em;max-width:18ch}
.svc .summary{margin-top:16px;color:var(--body);max-width:52ch;font-size:1.125rem}
.svc ul.points,.svc ol.points{margin-top:22px;display:grid;gap:10px;max-width:56ch}
.svc ul.points li{position:relative;padding-left:20px}
.svc ul.points li::before{content:"";position:absolute;left:0;top:.66em;width:7px;height:7px;border-radius:50%;background:var(--red)}
.svc ol.points{counter-reset:p}
.svc ol.points li{counter-increment:p;display:grid;grid-template-columns:30px 1fr;gap:12px}
.svc ol.points li::before{content:counter(p);display:grid;place-items:center;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--ink);font:700 .8rem var(--display)}
.svc .note{margin-top:20px;color:var(--muted);font-size:.9375rem;max-width:56ch}
.svc .formats{margin-top:24px;display:grid;gap:16px;max-width:56ch}
.svc .formats div{border-top:1px solid var(--line);padding-top:14px}
.svc .formats strong{display:block;font:700 1.0625rem var(--display);font-stretch:100%}
.svc .formats span{display:block;margin-top:2px;color:var(--body)}

/* planes: una escalera, una etapa por plan */
.plans-head{max-width:880px}
.plans-sub{margin-top:18px;font:600 clamp(1.05rem,1.8vw,1.35rem)/1.3 var(--display);font-stretch:100%;color:var(--body)}
.stairs{margin-top:clamp(40px,6vw,80px);display:grid;gap:44px 28px;padding-bottom:12px}
@media(min-width:700px){.stairs{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){
  .stairs{grid-template-columns:repeat(4,1fr);align-items:start}
  .step:nth-child(1){margin-top:102px}
  .step:nth-child(2){margin-top:68px}
  .step:nth-child(3){margin-top:34px}
}
.step{position:relative;border-top:2px solid var(--ink);padding-top:26px}
.step::before{content:"";position:absolute;left:0;top:-8px;width:14px;height:14px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px var(--bg)}
.step .when{color:var(--muted);font-size:.9375rem}
.step h3{margin-top:8px;font:700 1.3rem/1.15 var(--display);font-stretch:100%}
.step ul{margin-top:18px;display:grid;gap:8px}
.step li{position:relative;padding-left:18px}
.step li::before{content:"";position:absolute;left:0;top:.66em;width:6px;height:6px;border-radius:50%;background:var(--ink)}
.plans-foot{margin-top:clamp(36px,5vw,64px);display:flex;flex-wrap:wrap;gap:20px 28px;align-items:center}
.plans-foot p{color:var(--muted);font-size:.9375rem;max-width:56ch}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}

/* íconos */
.ico{width:100%;height:100%}
.card-ico{display:grid;place-items:center;width:52px;height:52px;margin-bottom:18px;border-radius:50%;background:var(--red);color:#fff;padding:12px}
.svc-head{display:flex;align-items:center;gap:14px}
.svc-ico{flex:none;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;border:1.5px solid var(--ink);color:var(--red);padding:13px}
.svc-head .svc-tag::before{display:none}
.soc-link{display:inline-flex!important;align-items:center;gap:10px}
.soc{width:20px;height:20px;flex:none;color:var(--black)}

/* cierre con firma de marca */
.close-grid{display:grid;gap:40px 48px;align-items:center}
.close-sign{width:min(520px,100%);height:auto;justify-self:start;opacity:.96}
@media(min-width:960px){
  .close-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .close-sign{justify-self:end}
  .close-grid .steps{grid-column:1 / -1}
}

/* enlace con panel de luz: se enciende desde el fondo y sigue al puntero */
.glow{position:relative;display:inline-flex;align-items:center;min-height:48px;padding:0 22px;margin-top:18px;border:1px solid rgba(255,255,255,.24);border-radius:12px;font-weight:600;text-decoration:none;color:#fff;overflow:hidden;isolation:isolate;background:rgba(255,255,255,.03);transition:border-color .4s,box-shadow .4s}
.glow::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(180px circle at var(--mx,50%) var(--my,50%),rgba(240,73,75,.62),rgba(214,38,40,.16) 48%,rgba(214,38,40,0) 72%);opacity:0;transition:opacity .5s}
.glow::after{content:"";position:absolute;left:12%;right:12%;top:0;height:1px;z-index:-1;background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);opacity:0;transition:opacity .5s}
.glow:hover,.glow:focus-visible{border-color:rgba(240,73,75,.85);box-shadow:0 0 0 1px rgba(214,38,40,.3),0 0 34px rgba(214,38,40,.32),inset 0 0 22px rgba(214,38,40,.22)}
.glow:hover::before,.glow:focus-visible::before,.glow:hover::after,.glow:focus-visible::after{opacity:1}

/* hero: animación de puntos */
.dots-cap{position:absolute;left:calc(var(--gutter) + 4px);bottom:14px;right:64px;min-height:1.4em;margin:0;font:600 clamp(.95rem,1.4vw,1.1rem)/1.35 var(--display);font-stretch:100%;color:rgba(255,255,255,.82)}
.dots-cap::after{content:"";display:inline-block;width:.5em;height:2px;margin-left:3px;background:var(--red);vertical-align:middle}
@media(min-width:960px){.dots-cap{left:4px}}

/* tarjetas de vista general: arriba; las de cada etapa: abajo */
.circuit.is-3d .card.card--top{top:calc(var(--head) + clamp(20px,5vh,56px));bottom:auto;width:min(620px,100%)}
.circuit.is-3d .card.card--top h3{font-size:clamp(1.8rem,3.6vw,3rem);max-width:16ch}
.circuit.is-3d .card--intro{transition:none;opacity:1;visibility:visible}

/* declaración: más ancha, centrada y con titular más medido */
.statement .wrap{display:flex;flex-direction:column;align-items:center;text-align:center}
.big{font:500 clamp(1.45rem,2.7vw,2.35rem)/1.28 var(--display);font-stretch:100%;letter-spacing:-.01em;max-width:52ch;text-wrap:balance}
.big em{font-style:italic;font-weight:600;color:rgba(0,0,0,.42)}
.statement .trio{width:100%;text-align:left}

/* servicios: botón flotante para pedir información */
.svc-cta{position:absolute;left:50%;bottom:clamp(24px,6vh,56px);transform:translateX(-50%);z-index:2;white-space:nowrap;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.svc-cta-m{display:none}
@media(max-width:959px){
  .svc-cta-m{display:inline-flex;position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom,0px));transform:translate(-50%,140%);z-index:30;white-space:nowrap;box-shadow:0 10px 30px rgba(0,0,0,.25);transition:transform .35s ease,background-color .2s,color .2s}
  .svc-cta-m.is-on{transform:translate(-50%,0)}
}

.svc-method{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}
.svc-method p{color:var(--muted);font-size:.9375rem;max-width:34ch}

.quote-mark{display:block;height:.62em;margin-bottom:10px;font:800 clamp(5rem,9vw,8rem)/1 var(--display);color:rgba(255,255,255,.32);user-select:none}

/* luces lejanas: halos rojos muy tenues sobre el negro, como un sol distante */
.dark{--halo:214,38,40}
.hero.dark{background:
  radial-gradient(circle at 86% 2%,rgba(255,110,100,.22) 0,rgba(var(--halo),.10) 7%,rgba(var(--halo),0) 26%),
  radial-gradient(ellipse 70% 60% at 92% 0%,rgba(var(--halo),.10),rgba(var(--halo),0) 70%),
  #000}
.circuit.dark,.circuit.is-3d .circuit-stick{background:
  radial-gradient(ellipse 55% 45% at 4% 100%,rgba(var(--halo),.13),rgba(var(--halo),0) 70%),
  radial-gradient(circle at 0% 100%,rgba(255,110,100,.14) 0,rgba(var(--halo),0) 14%),
  #000}
.close.dark{background:
  radial-gradient(ellipse 50% 60% at 78% 45%,rgba(var(--halo),.11),rgba(var(--halo),0) 70%),
  radial-gradient(circle at 100% 30%,rgba(255,110,100,.12) 0,rgba(var(--halo),0) 18%),
  #000}
.page-hero.dark{background:
  radial-gradient(circle at 92% 0%,rgba(255,110,100,.2) 0,rgba(var(--halo),.08) 9%,rgba(var(--halo),0) 30%),
  radial-gradient(ellipse 60% 70% at 100% 0%,rgba(var(--halo),.08),rgba(var(--halo),0) 70%),
  #000}
#planes.dark{background:
  radial-gradient(ellipse 55% 55% at 0% 100%,rgba(var(--halo),.12),rgba(var(--halo),0) 70%),
  radial-gradient(circle at 0% 100%,rgba(255,110,100,.13) 0,rgba(var(--halo),0) 15%),
  #000}

/* transición lumínica entre el circuito (negro) y la sección blanca */
.circuit::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;z-index:3;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.55) 22%,#fff 50%,rgba(255,255,255,.55) 78%,rgba(255,255,255,0) 100%);
  box-shadow:0 0 14px 2px rgba(255,255,255,.55),0 -10px 40px 6px rgba(var(--halo,214,38,40),.28),0 -30px 90px 20px rgba(255,255,255,.07)}
.circuit::before{content:"";position:absolute;left:0;right:0;bottom:0;height:min(220px,28vh);z-index:3;pointer-events:none;
  background:radial-gradient(ellipse 70% 100% at 50% 100%,rgba(255,255,255,.13),rgba(255,255,255,0) 70%),radial-gradient(ellipse 40% 80% at 50% 100%,rgba(214,38,40,.2),rgba(214,38,40,0) 70%)}