/* =========================================================
   SYNAPSE — Hoja de estilos
   Paleta: Violeta Premium · Tipografía: Sora + Inter + JetBrains Mono
   ========================================================= */

:root{
  /* Color */
  --violeta:#6D28D9;
  --violeta-vivo:#8B5CF6;
  --violeta-hover:#5B21B6;
  --profundo:#1E1B4B;
  --coral:#F43F5E;
  --coral-suave:#FFF1F3;
  --lila:#C4B5FD;
  --lavanda:#FAF5FF;
  --blanco:#FFFFFF;
  --texto:#2A2545;
  --texto-suave:#6B6488;
  --borde:#EAE3F9;
  --borde-fuerte:#D9CDF3;
  --wa:#25D366;

  /* Tipografía */
  --display:'Sora',system-ui,sans-serif;
  --cuerpo:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;

  /* Espacio y forma */
  --ancho:1160px;
  --angosto:820px;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sombra:0 1px 2px rgba(30,27,75,.04),0 12px 32px -12px rgba(30,27,75,.12);
  --sombra-alta:0 2px 4px rgba(30,27,75,.05),0 24px 56px -20px rgba(109,40,217,.28);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--cuerpo);
  font-size:17px;
  line-height:1.65;
  color:var(--texto);
  background:var(--blanco);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--violeta);text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.15;letter-spacing:-.02em;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}

:focus-visible{outline:3px solid var(--violeta-vivo);outline-offset:3px;border-radius:4px}

.saltar{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--violeta);color:#fff;padding:12px 20px;border-radius:0 0 var(--r-sm) 0;
}
.saltar:focus{left:0}

.contenedor{width:100%;max-width:var(--ancho);margin:0 auto;padding:0 24px}
.contenedor--angosto{max-width:var(--angosto)}

/* ---------- Elementos compartidos ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--violeta);
  margin:0 0 14px;
}

.cabecera{max-width:660px;margin:0 0 52px}
.cabecera h2{font-size:clamp(28px,3.6vw,42px);margin:0 0 14px}
.cabecera__bajada{font-size:18px;color:var(--texto-suave)}
.cabecera--clara .eyebrow{color:var(--lila)}
.cabecera--clara h2{color:#fff}
.cabecera--clara .cabecera__bajada{color:#BFB8DE}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--cuerpo);font-size:16px;font-weight:600;
  padding:15px 28px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;
  text-align:center;
}
.btn--solido{background:var(--violeta);color:#fff;box-shadow:0 10px 24px -12px rgba(109,40,217,.7)}
.btn--solido:hover{background:var(--violeta-hover);transform:translateY(-2px)}
.btn--linea{background:transparent;color:var(--violeta);border-color:var(--borde-fuerte)}
.btn--linea:hover{border-color:var(--violeta);background:var(--lavanda);transform:translateY(-2px)}
.btn--sm{padding:11px 20px;font-size:15px}
.btn--ancho{width:100%}
.btn--wa{background:var(--wa);color:#07301A}
.btn--wa:hover{background:#1FBE5A;transform:translateY(-2px)}
.btn--wa svg{width:20px;height:20px;flex:0 0 auto}

/* ---------- Secciones ---------- */
.seccion{padding:104px 0}
.seccion--lavanda{background:var(--lavanda)}
.seccion--oscura{background:var(--profundo);color:#EDE9FE}
.seccion--cierre{background:var(--blanco);padding-bottom:112px}

.rejilla{display:grid;gap:22px}
.rejilla--2{grid-template-columns:repeat(2,1fr)}
.rejilla--3{grid-template-columns:repeat(3,1fr)}
.rejilla--4{grid-template-columns:repeat(4,1fr)}
.rejilla--angosta{max-width:760px}

/* =========================================================
   NAVEGACIÓN
   ========================================================= */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.nav.esta-fijo{border-bottom-color:var(--borde);box-shadow:0 6px 24px -18px rgba(30,27,75,.5)}
.nav__fila{display:flex;align-items:center;justify-content:space-between;gap:24px;height:80px}
.nav__logo img{height:38px;width:auto;transition:transform .18s ease}
.nav__logo:hover img{transform:scale(1.03)}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{
  font-size:15px;font-weight:500;color:var(--texto);
  transition:color .18s ease;
}
.nav__links a:hover{color:var(--violeta)}
.nav__links .btn{color:#fff}

.nav__burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;
  background:none;border:1px solid var(--borde);border-radius:var(--r-sm);cursor:pointer;
}
.nav__burger span{display:block;height:2px;background:var(--texto);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;overflow:hidden;
  padding:110px 0 118px;
  background:
    radial-gradient(1000px 520px at 78% 8%,#F3ECFF 0%,rgba(250,245,255,0) 62%),
    linear-gradient(180deg,#FFFFFF 0%,var(--lavanda) 100%);
}
.hero__red{position:absolute;inset:0;width:100%;height:100%;opacity:.5;pointer-events:none}
.red__lineas line{stroke:var(--lila);stroke-width:1.5;stroke-linecap:round;stroke-dasharray:400;stroke-dashoffset:400;animation:trazar 1.5s ease forwards}
.red__lineas line:nth-child(2){animation-delay:.1s}
.red__lineas line:nth-child(3){animation-delay:.18s}
.red__lineas line:nth-child(4){animation-delay:.26s}
.red__lineas line:nth-child(5){animation-delay:.34s}
.red__lineas line:nth-child(6){animation-delay:.42s}
.red__lineas line:nth-child(7){animation-delay:.5s}
.red__lineas line:nth-child(8){animation-delay:.58s}
.red__lineas line:nth-child(9){animation-delay:.66s}
.red__lineas line:nth-child(10){animation-delay:.74s}
.red__nodos circle{fill:var(--violeta);opacity:0;transform-box:fill-box;transform-origin:center;animation:brotar .5s cubic-bezier(.34,1.56,.64,1) forwards}
.red__nodos circle:nth-child(2){animation-delay:.5s}
.red__nodos circle:nth-child(3){animation-delay:.6s}
.red__nodos circle:nth-child(4){animation-delay:.7s}
.red__nodos circle:nth-child(5){animation-delay:.8s}
.red__nodos circle:nth-child(6){animation-delay:.9s}
.red__nodos circle:nth-child(7){animation-delay:1s}
.red__nodos circle:nth-child(8){animation-delay:1.1s}
.red__nodos circle:nth-child(9){animation-delay:1.2s}

@keyframes trazar{to{stroke-dashoffset:0}}
@keyframes brotar{from{opacity:0;transform:scale(.2)}to{opacity:.85;transform:scale(1)}}

.hero__caja{position:relative;max-width:720px}
.hero__titulo{font-size:clamp(42px,7vw,76px);font-weight:700;letter-spacing:-.035em;margin:0 0 22px}
.hero__titulo .acento{color:var(--violeta)}
.hero__bajada{font-size:clamp(17px,2vw,20px);color:var(--texto-suave);max-width:600px;margin:0 0 34px}
.hero__acciones{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero__nota{font-size:14px;color:var(--texto-suave)}

/* =========================================================
   CHAT (problema y demo)
   ========================================================= */
.chat{
  max-width:560px;margin:0 auto;
  background:var(--blanco);
  border:1px solid var(--borde);
  border-radius:var(--r-lg);
  box-shadow:var(--sombra);
  overflow:hidden;
}
.chat__barra{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--borde);background:#fff}
.chat__avatar{width:36px;height:36px;border-radius:50%;background:var(--lavanda);padding:5px;flex:0 0 auto}
.chat__barra strong{display:block;font-family:var(--display);font-size:15px;font-weight:600}
.chat__barra span{font-size:12.5px;color:var(--coral);font-weight:500}
.chat__barra--oscura{background:#151239;border-bottom-color:#2E2963}
.chat__barra--oscura strong{color:#fff}
.chat__barra--oscura .chat__avatar{background:#2A2560}
.enlinea{color:#4ADE80 !important}
.enlinea::before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:#4ADE80;margin-right:6px;vertical-align:middle}

.chat__cuerpo{padding:20px 18px;display:flex;flex-direction:column;gap:12px;background:#FBF9FE}
.chat__cuerpo--oscuro{background:#171340;max-height:none}

.burbuja{
  max-width:80%;align-self:flex-start;
  background:#fff;border:1px solid var(--borde);
  border-radius:4px 16px 16px 16px;
  padding:11px 14px 8px;
}
.burbuja p{font-size:15px;line-height:1.5;margin:0 0 3px}
.burbuja time{display:block;font-size:11.5px;color:#A39CBE;text-align:right}
.burbuja--entra{opacity:0;transform:translateY(10px);animation:entrar .5s ease forwards;animation-delay:var(--d,0s)}
@keyframes entrar{to{opacity:1;transform:none}}

.burbuja--oscura{background:#221D52;border-color:#332C6B;color:#E6E1FA}
.burbuja--oscura time{color:#8B84B5}
.burbuja--bot{
  align-self:flex-end;background:var(--violeta);border-color:var(--violeta);color:#fff;
  border-radius:16px 4px 16px 16px;
}
.burbuja--bot time{color:#D6C6FF}

.chat__pie{
  padding:16px 20px;border-top:1px solid var(--borde);
  background:var(--coral-suave);color:#9F1239;
  font-size:14.5px;font-weight:500;text-align:center;
}

.costos{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.costos li{
  border-top:2px solid var(--borde-fuerte);padding-top:18px;
  font-size:15px;color:var(--texto-suave);
}
.costos strong{display:block;font-family:var(--display);font-size:17px;font-weight:600;color:var(--texto);margin-bottom:5px}

/* =========================================================
   SERVICIOS
   ========================================================= */
.tarjeta{
  background:var(--blanco);border:1px solid var(--borde);border-radius:var(--r-lg);
  padding:28px 24px;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tarjeta:hover{transform:translateY(-4px);box-shadow:var(--sombra-alta);border-color:var(--lila)}
.tarjeta__marca{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;
  background:var(--lavanda);color:var(--violeta);margin-bottom:18px;
}
.tarjeta__marca svg{width:23px;height:23px}
.tarjeta h3{font-size:19px;margin:0 0 8px}
.tarjeta > p{font-size:15px;color:var(--texto-suave);margin:0 0 16px}
.tarjeta ul{display:flex;flex-direction:column;gap:8px;margin:0 0 20px}
.tarjeta ul li{position:relative;padding-left:20px;font-size:14.5px;color:var(--texto-suave)}
.tarjeta ul li::before{
  content:'';position:absolute;left:0;top:9px;
  width:7px;height:7px;border-radius:50%;background:var(--lila);
}
.tarjeta__link{
  margin-top:auto;font-size:14.5px;font-weight:600;color:var(--violeta);
  display:inline-flex;align-items:center;gap:6px;
}
.tarjeta__link::after{content:'→';transition:transform .18s ease;display:inline-block}
.tarjeta__link:hover::after{transform:translateX(4px)}

/* =========================================================
   SECTORES
   ========================================================= */
.sector{
  background:var(--blanco);border:1px solid var(--borde);
  border-radius:var(--r-lg);padding:28px 24px;
  border-top:3px solid var(--violeta);
  transition:transform .22s ease,box-shadow .22s ease;
}
.sector:hover{transform:translateY(-4px);box-shadow:var(--sombra-alta)}
.sector__marca{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:13px;
  background:var(--lavanda);color:var(--violeta);margin-bottom:16px;
}
.sector__marca svg{width:22px;height:22px}
.sector h3{font-size:18px;margin:0 0 15px;min-height:2.3em}
.sector ul{display:flex;flex-direction:column;gap:11px}
.sector ul li{position:relative;padding-left:22px;font-size:14.5px;color:var(--texto-suave)}
.sector ul li::before{
  content:'';position:absolute;left:0;top:8px;width:12px;height:2px;
  background:var(--coral);border-radius:2px;
}
.sectores__nota{margin-top:34px;text-align:center;font-size:16px;color:var(--texto-suave)}
.sectores__nota a{font-weight:600;border-bottom:1.5px solid var(--lila)}

/* =========================================================
   DEMO
   ========================================================= */
.demo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:start}
.demo__chat{max-width:none}
.demo__chat .chat__barra{border-bottom-color:#2E2963}
.demo__chat{
  background:#171340;border:1px solid #2E2963;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.7);
}
.demo__lado h3{font-size:26px;color:#fff;margin:0 0 12px}
.demo__lado > p{color:#BFB8DE;font-size:16.5px;margin:0 0 22px}
.demo__lista{display:flex;flex-direction:column;gap:10px;margin:0 0 28px}
.demo__lista li{position:relative;padding-left:26px;color:#D5CFEE;font-size:15.5px}
.demo__lista li::before{
  content:'';position:absolute;left:0;top:9px;width:10px;height:10px;
  border-radius:50%;background:var(--violeta-vivo);
  box-shadow:0 0 0 4px rgba(139,92,246,.22);
}
.demo__video{margin-bottom:28px}
.demo__video-marco{
  aspect-ratio:16/9;border:2px dashed #3B3477;border-radius:var(--r-md);
  background:#1C1748;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
}
.demo__play{
  display:flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:50%;
  background:rgba(139,92,246,.18);color:var(--lila);margin-bottom:4px;
}
.demo__play svg{width:24px;height:24px;margin-left:3px}
.demo__video-marco p{font-family:var(--display);font-weight:600;color:#CFC7F0;font-size:15px}
.demo__video-marco small{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#7B72AE}
.demo__aviso{margin-top:12px;font-size:13.5px;color:#9992C4}

/* --- Video real, formato vertical --- */
.pelicula{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;align-items:center;
  margin-top:84px;padding-top:64px;
  border-top:1px solid #322C68;
}
.pelicula__intro h3{font-size:clamp(24px,3vw,32px);color:#fff;margin:0 0 14px}
.pelicula__intro > p{color:#BFB8DE;font-size:16.5px;margin:0 0 26px;max-width:52ch}
.btn--claro{color:#DDD3FF;border-color:#463E8C}
.btn--claro:hover{background:rgba(139,92,246,.16);border-color:var(--violeta-vivo);color:#fff}

.pelicula__marco{
  margin:0;padding:10px;
  background:linear-gradient(150deg,#3A3280,#221D52);
  border:1px solid #453D8F;border-radius:30px;
  box-shadow:0 34px 70px -28px rgba(0,0,0,.75);
}
.pelicula__video{
  display:block;width:100%;height:auto;aspect-ratio:9/16;
  border-radius:22px;background:#0F0C2B;object-fit:cover;
}

/* =========================================================
   PROCESO
   ========================================================= */
.pasos{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  position:relative;padding-top:30px;
}
.pasos::before{
  content:'';position:absolute;top:5px;left:9%;right:9%;height:2px;
  background:linear-gradient(90deg,var(--lila),var(--violeta),var(--lila));
  border-radius:2px;
}
.paso{position:relative}
.paso__nodo{
  position:absolute;top:-34px;left:0;
  width:14px;height:14px;border-radius:50%;
  background:var(--violeta);border:3px solid var(--blanco);
  box-shadow:0 0 0 3px var(--lila);
}
.paso__tiempo{
  font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:var(--coral);margin:0 0 8px;
}
.paso h3{font-size:19px;margin:0 0 8px}
.paso p:last-child{font-size:15px;color:var(--texto-suave)}

/* =========================================================
   EQUIPO
   ========================================================= */
.persona{
  background:var(--blanco);border:1px solid var(--borde);
  border-radius:var(--r-lg);padding:28px;text-align:center;
}
.persona__foto{
  width:120px;height:120px;margin:0 auto 18px;border-radius:50%;
  background:var(--lavanda);border:2px dashed var(--borde-fuerte);
  display:flex;align-items:center;justify-content:center;
}
.persona__foto span{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--texto-suave);max-width:70px;line-height:1.4}
.persona h3{font-size:20px;margin:0 0 4px}
.persona__rol{font-size:14px;font-weight:600;color:var(--violeta);margin:0 0 12px}
.persona > p:last-child{font-size:15px;color:var(--texto-suave)}

/* =========================================================
   PREGUNTAS
   ========================================================= */
.faq{border-top:1px solid var(--borde)}
.faq__item{border-bottom:1px solid var(--borde)}
.faq__item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;
  font-family:var(--display);font-size:17.5px;font-weight:600;
  transition:color .18s ease;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
  content:'';flex:0 0 auto;width:11px;height:11px;
  border-right:2px solid var(--violeta);border-bottom:2px solid var(--violeta);
  transform:rotate(45deg);transition:transform .25s ease;margin-right:6px;
}
.faq__item[open] summary{color:var(--violeta)}
.faq__item[open] summary::after{transform:rotate(-135deg)}
.faq__item summary:hover{color:var(--violeta)}
.faq__resp{padding:0 4px 24px}
.faq__resp p{color:var(--texto-suave);font-size:16px;max-width:64ch}

/* =========================================================
   CIERRE / FORMULARIO
   ========================================================= */
.cierre{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:52px;
  align-items:start;
  background:var(--lavanda);border:1px solid var(--borde);
  border-radius:var(--r-xl);padding:48px;
}
.cierre__texto h2{font-size:clamp(26px,3.2vw,36px);margin:0 0 14px}
.cierre__texto > p{color:var(--texto-suave);font-size:16.5px;margin:0 0 26px}
.cierre__wa{
  display:inline-flex;align-items:center;gap:11px;
  padding:14px 18px;border-radius:var(--r-md);
  background:var(--blanco);border:1px solid var(--borde-fuerte);
  color:var(--texto);font-size:15px;
  transition:border-color .18s ease,transform .18s ease;
}
.cierre__wa:hover{border-color:var(--wa);transform:translateY(-2px)}
.cierre__wa svg{width:26px;height:26px;color:var(--wa);flex:0 0 auto}
.cierre__wa strong{color:var(--violeta)}

.form{
  background:var(--blanco);border:1px solid var(--borde);
  border-radius:var(--r-lg);padding:30px;
  display:flex;flex-direction:column;gap:16px;
}
.campo{display:flex;flex-direction:column;gap:7px}
.campo label{font-size:14.5px;font-weight:600}
.campo input,.campo textarea{
  font-family:var(--cuerpo);font-size:16px;color:var(--texto);
  padding:13px 15px;border:1.5px solid var(--borde-fuerte);border-radius:var(--r-sm);
  background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
  width:100%;
}
.campo textarea{resize:vertical;min-height:88px}
.campo input:focus,.campo textarea:focus{
  outline:none;border-color:var(--violeta);box-shadow:0 0 0 4px rgba(109,40,217,.12);
}
.campo input[aria-invalid="true"],.campo textarea[aria-invalid="true"]{border-color:var(--coral)}
.campo__error{font-size:13px;color:var(--coral);min-height:0}
.campo__error:empty{display:none}

.campo--check{flex-direction:row;align-items:flex-start;gap:10px}
.campo--check input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--violeta)}
.campo--check label{font-size:13.5px;font-weight:400;color:var(--texto-suave);line-height:1.5}

.trampa{position:absolute;left:-9999px;opacity:0;height:0;width:0}

.form__estado{font-size:14.5px;font-weight:500;text-align:center}
.form__estado.ok{color:#047857}
.form__estado.mal{color:var(--coral)}

/* =========================================================
   PIE
   ========================================================= */
.pie{background:var(--profundo);color:#BFB8DE;padding:60px 0 26px}
.pie__fila{
  display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px;
  padding-bottom:34px;border-bottom:1px solid #322C68;
}
.pie__marca img{height:38px;width:auto;margin-bottom:16px}
.pie__marca p{font-family:var(--display);font-size:15px;color:#9E96C9}
.pie__nav,.pie__contacto{display:flex;flex-direction:column;gap:11px;font-size:15px}
.pie__nav a,.pie__contacto a{color:#BFB8DE;transition:color .18s ease}
.pie__nav a:hover,.pie__contacto a:hover{color:#fff}
.pie__contacto span{color:#8B84B5}
.pie__legal{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:#8B84B5;
}

/* =========================================================
   BOTÓN FLOTANTE
   ========================================================= */
.wa-flotante{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:56px;height:56px;border-radius:50%;
  background:var(--wa);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 30px -8px rgba(37,211,102,.6);
  transition:transform .2s ease;
}
.wa-flotante:hover{transform:scale(1.08)}
.wa-flotante svg{width:30px;height:30px}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1000px){
  .rejilla--4{grid-template-columns:repeat(2,1fr)}
  .pasos{grid-template-columns:repeat(2,1fr);row-gap:44px}
  .pasos::before{display:none}
  .paso{padding-left:22px;border-left:2px solid var(--borde-fuerte)}
  .paso__nodo{top:2px;left:-8px}
  .demo{grid-template-columns:1fr;gap:38px}
  .pelicula{grid-template-columns:1fr;gap:34px;justify-items:center;text-align:center;margin-top:56px;padding-top:48px}
  .pelicula__intro > p{margin-left:auto;margin-right:auto}
  .pelicula__marco{max-width:300px;width:100%}
  .cierre{grid-template-columns:1fr;gap:36px;padding:36px}
}

@media (max-width:820px){
  html{scroll-padding-top:84px}
  .rejilla--4{grid-template-columns:repeat(2,1fr)}
  .sector h3{min-height:0}
  .seccion{padding:76px 0}
  .hero{padding:78px 0 90px}
  .nav__burger{display:flex}
  .nav__links{
    position:absolute;top:80px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--borde);
    padding:8px 24px 20px;
    box-shadow:0 20px 40px -24px rgba(30,27,75,.4);
    display:none;
  }
  .nav__links.abierto{display:flex}
  .nav__links a{padding:13px 0;border-bottom:1px solid var(--borde)}
  .nav__links .btn{margin-top:14px;border-bottom:none}
  .rejilla--3,.rejilla--2{grid-template-columns:1fr}
  .costos{grid-template-columns:1fr;gap:16px;margin-top:40px}
  .cabecera{margin-bottom:40px}
}

@media (max-width:560px){
  body{font-size:16px}
  .nav__logo img{height:34px}
  .pelicula__marco{max-width:270px;border-radius:26px}
  .contenedor{padding:0 18px}
  .rejilla--4{grid-template-columns:1fr}
  .pasos{grid-template-columns:1fr;row-gap:34px}
  .hero__acciones{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .nav__links .btn{width:100%}
  .burbuja{max-width:88%}
  .cierre{padding:26px 20px}
  .form{padding:22px 18px}
  .pie__fila{grid-template-columns:1fr;gap:28px}
  .wa-flotante{right:16px;bottom:16px;width:52px;height:52px}
}

/* =========================================================
   ACCESIBILIDAD — movimiento reducido
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .red__lineas line{stroke-dashoffset:0}
  .red__nodos circle{opacity:.85}
  .burbuja--entra{opacity:1;transform:none}
}

/* =========================================================
   IMPRESIÓN
   ========================================================= */
@media print{
  .nav,.wa-flotante,.hero__red{display:none}
  .seccion{padding:24px 0}
  body{color:#000}
}