/* =====================================================================
   VORTIA 3D · web pública
   Dos mundos: la noche de la app (héroe) y la chapa galvanizada (resto).
   El único elemento llamativo es la escala de presión del borde del héroe.
   ===================================================================== */
:root{
  --noche:#0a111d; --noche-2:#121d30; --noche-linea:#23324c;
  --chapa:#e9edf1; --chapa-2:#dde3e9; --chapa-3:#c9d1da; --blanco:#f7f9fb;
  --tinta:#121c2b; --gris:#566274; --gris-claro:#93a0b3;
  --ambar:#f2a93b; --ambar-osc:#d9861b;
  --dep:#2957fa; --sobre:#f2291a;
  --escala:linear-gradient(90deg,#2957fa 0%,#2eb8fa 25%,#ccd6e0 50%,#ffb329 75%,#f2291a 100%);
  --f-titulo:"Archivo","Arial Narrow",system-ui,sans-serif;
  --f-texto:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ancho:1180px; --lado:clamp(16px,4vw,40px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--chapa);color:var(--tinta);font:400 17px/1.6 var(--f-texto);-webkit-font-smoothing:antialiased}
img,video{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--ambar);outline-offset:3px;border-radius:3px}
.envoltura{max-width:var(--ancho);margin:0 auto;padding:0 var(--lado)}
.saltar{position:absolute;left:-999px;top:8px;background:var(--ambar);color:var(--tinta);padding:8px 12px;z-index:99}
.saltar:focus{left:8px}

/* ---------- tipografía ---------- */
h1,h2,h3{font-family:var(--f-titulo);font-weight:760;line-height:1.05;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(38px,5.2vw,68px);font-stretch:118%;max-width:15.5ch}
h2{font-size:clamp(30px,3.8vw,48px);font-stretch:112%;max-width:20ch}
h3{font-size:clamp(21px,2vw,26px);font-stretch:108%;line-height:1.15}
p{margin:0}
.entrada{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:var(--gris);max-width:58ch}

/* ---------- botones ---------- */
.boton{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 22px;border-radius:999px;font:650 16px/1 var(--f-texto);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.boton.principal{background:var(--ambar);color:#1a1205}
.boton.principal:hover{background:#ffbb55}
.boton.borde{border-color:rgba(227,234,245,.35);color:#e3eaf5}
.boton.borde:hover{border-color:#e3eaf5}
.boton.oscuro{background:var(--tinta);color:var(--blanco)}
.boton.oscuro:hover{background:#24344d}
.boton.linea{border-color:var(--tinta);color:var(--tinta)}
.boton.linea:hover{background:var(--tinta);color:var(--blanco)}

/* ---------- cabecera ---------- */
.cabecera{position:fixed;inset:0 0 auto;z-index:20;transition:background .2s,box-shadow .2s}
.cabecera.solida{background:rgba(10,17,29,.94);backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--noche-linea)}
.cabecera .envoltura{display:flex;align-items:center;gap:20px;height:68px;color:#e3eaf5}
.marca{display:flex;align-items:center;gap:10px;text-decoration:none;font:780 21px var(--f-titulo);font-stretch:115%;white-space:nowrap}
.marca img{width:30px;height:30px}
.marca i{font-style:normal;color:var(--ambar)}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{text-decoration:none;font-size:15px;color:#c3cede}
.nav a:hover{color:#fff}
.idioma{display:flex;border:1px solid var(--noche-linea);border-radius:999px;overflow:hidden;font-size:13px}
.idioma a{padding:5px 10px;text-decoration:none;color:#9fb0c7}
.idioma a[aria-current]{background:#e3eaf5;color:var(--noche);font-weight:600}
.cabecera .boton{min-height:40px;padding:0 18px;font-size:15px}
.menuBtn{display:none;background:none;border:0;color:#e3eaf5;padding:8px;margin-left:auto;cursor:pointer}
@media (max-width:900px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:var(--noche);border-bottom:1px solid var(--noche-linea);padding:6px var(--lado) 14px}
  .nav.abierta{display:flex}
  .nav a{padding:12px 0;font-size:17px;border-bottom:1px solid var(--noche-linea)}
  .menuBtn{display:block}
  .cabecera .boton.app{display:none}
}

/* ---------- héroe ---------- */
.heroe{position:relative;min-height:min(100svh,940px);background:var(--noche);color:#e3eaf5;display:flex;align-items:center;overflow:hidden;isolation:isolate}
.heroe video,.heroe .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 50%;z-index:-2}
.heroe::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,17,29,.96) 0%,rgba(10,17,29,.86) 32%,rgba(10,17,29,.2) 62%,rgba(10,17,29,0) 100%)}
.heroe .envoltura{width:100%;padding-top:96px;padding-bottom:96px}
.heroe h1{color:#f3f6fb}
.heroe .entrada{color:#b6c3d6;margin-top:22px;max-width:46ch}
.heroe .acciones{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.heroe .gratis{margin-top:18px;font-size:14.5px;color:#8fa0b8}
/* la escala de presión de la app como borde inferior del héroe */
.escala{position:absolute;left:0;right:0;bottom:0;padding:0 var(--lado) 18px;color:#9fb0c7;font-size:13px}
.escala .barra{height:6px;background:var(--escala);border-radius:3px;max-width:var(--ancho);margin:0 auto}
.escala .marcas{display:flex;justify-content:space-between;max-width:var(--ancho);margin:7px auto 0}
.escala .barra{transform-origin:left;animation:barra 1.4s cubic-bezier(.2,.7,.1,1) .3s both}
@keyframes barra{from{transform:scaleX(0)}}
@media (prefers-reduced-motion:reduce){.escala .barra{animation:none}}
@media (max-width:760px){
  .heroe{align-items:flex-end}
  .heroe video,.heroe .poster{object-position:72% 30%;height:58%}
  .heroe::before{background:linear-gradient(180deg,rgba(10,17,29,0) 0%,rgba(10,17,29,.2) 30%,rgba(10,17,29,.96) 55%,var(--noche) 100%)}
  .heroe .envoltura{padding-top:46vh;padding-bottom:96px}
  .escala .marcas span:nth-child(2){display:none}
}

/* ---------- secciones ---------- */
section{padding:clamp(72px,10vw,128px) 0}
.cabeza{display:grid;gap:18px;margin-bottom:clamp(40px,6vw,72px)}
.fila{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.fila + .fila{margin-top:clamp(56px,8vw,104px)}
.fila.inversa{grid-template-columns:1fr 1.25fr}
.fila.inversa .imagen{order:2}
.fila .texto{display:grid;gap:16px;align-content:start}
.fila .texto p{color:var(--gris)}
.fila ul{margin:4px 0 0;padding:0;list-style:none;display:grid;gap:8px;color:var(--tinta);font-size:16px}
.fila li{padding-left:22px;position:relative}
.fila li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--ambar-osc)}
.imagen{border-radius:10px;overflow:hidden;background:var(--noche);box-shadow:0 1px 0 var(--chapa-3),0 18px 40px -22px rgba(18,28,43,.45)}
.imagen img{width:100%;height:auto}
.imagen.clara{background:var(--blanco)}
@media (max-width:860px){.fila,.fila.inversa{grid-template-columns:1fr}.fila.inversa .imagen{order:0}}

/* pasos: es una secuencia de verdad */
.pasos{background:var(--blanco);border-block:1px solid var(--chapa-2)}
.pasos ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,56px);counter-reset:paso}
.pasos li{counter-increment:paso;display:grid;gap:10px;align-content:start;border-top:2px solid var(--tinta);padding-top:20px}
.pasos li::before{content:counter(paso);font:780 44px/1 var(--f-titulo);font-stretch:120%;color:var(--ambar-osc)}
.pasos li p{color:var(--gris);font-size:16px}
@media (max-width:760px){.pasos ol{grid-template-columns:1fr}}

/* informe de ejemplo: visor sin descarga */
.informe{background:var(--noche);color:#e3eaf5}
.informe .entrada{color:#9fb0c7}
.visor{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:24px;align-items:start}
.hoja{position:relative;background:#fff;border-radius:6px;overflow:hidden;aspect-ratio:210/297;max-height:82vh;margin:0 auto;width:100%;max-width:640px;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.hoja img{width:100%;height:100%;object-fit:contain;pointer-events:none}
.hoja::after{content:"";position:absolute;inset:0}
.miniaturas{display:grid;gap:10px;max-height:82vh;overflow:auto;padding-right:4px}
.miniaturas button{display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:center;text-align:left;background:none;border:1px solid var(--noche-linea);border-radius:8px;padding:8px;color:#c3cede;font:500 14px/1.3 var(--f-texto);cursor:pointer}
.miniaturas button[aria-current="true"]{border-color:var(--ambar);color:#fff}
.miniaturas img{width:56px;aspect-ratio:210/297;object-fit:cover;border-radius:3px;background:#fff;pointer-events:none}
.visor .nota{grid-column:1/-1;font-size:14px;color:#8fa0b8}
@media (max-width:860px){.visor{grid-template-columns:1fr}.miniaturas{grid-auto-flow:column;grid-auto-columns:150px;max-height:none;overflow-x:auto;padding-bottom:6px}}

/* precio */
.planes{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1.5px solid var(--tinta);border-radius:12px;overflow:hidden;background:var(--blanco)}
.plan{padding:clamp(26px,4vw,44px);display:grid;gap:18px;align-content:start}
.plan + .plan{border-left:1.5px solid var(--tinta);background:#fff}
.plan .cifra{font:780 clamp(44px,5vw,60px)/1 var(--f-titulo);font-stretch:115%}
.plan .cifra small{font:500 17px var(--f-texto);color:var(--gris);margin-left:6px}
.plan ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.plan li{padding-left:28px;position:relative}
.plan li::before{content:"";position:absolute;left:2px;top:.4em;width:12px;height:7px;border-left:2px solid var(--tinta);border-bottom:2px solid var(--tinta);transform:rotate(-45deg)}
.plan .nota-plan{font-size:14px;color:var(--gris)}
.plan .boton{justify-self:start}
@media (max-width:760px){.planes{grid-template-columns:1fr}.plan + .plan{border-left:0;border-top:1.5px solid var(--tinta)}}

/* autor */
.autor{background:var(--chapa-2)}
.autor .envoltura{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(28px,5vw,72px);align-items:start}
.autor p{color:var(--gris);max-width:60ch}
.autor .texto{display:grid;gap:16px}
@media (max-width:760px){.autor .envoltura{grid-template-columns:1fr}}

/* preguntas */
.preguntas details{border-top:1px solid var(--chapa-3);padding:4px 0}
.preguntas details:last-child{border-bottom:1px solid var(--chapa-3)}
.preguntas summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font:650 18px/1.35 var(--f-texto);position:relative}
.preguntas summary::-webkit-details-marker{display:none}
.preguntas summary::after{content:"";position:absolute;right:8px;top:24px;width:10px;height:10px;border-right:2px solid var(--tinta);border-bottom:2px solid var(--tinta);transform:rotate(45deg);transition:transform .2s}
.preguntas details[open] summary::after{transform:rotate(-135deg);top:28px}
.preguntas details p{padding:0 0 20px;color:var(--gris);max-width:70ch}
.preguntas .lista{max-width:860px}

/* cierre y pie */
.cierre{background:var(--noche);color:#e3eaf5;text-align:left}
.cierre .envoltura{display:flex;flex-wrap:wrap;gap:24px 48px;align-items:end;justify-content:space-between}
.cierre .entrada{color:#9fb0c7;margin-top:14px}
.pie{background:var(--noche);color:#8fa0b8;font-size:14px;border-top:1px solid var(--noche-linea)}
.pie .envoltura{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;padding-block:28px}
.pie nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-left:auto}
.pie a{color:#b6c3d6;text-decoration:none}
.pie a:hover{color:#fff}

/* páginas legales */
.legal{padding:120px 0 80px;background:var(--blanco)}
.legal .envoltura{max-width:820px}
.legal h1{font-size:clamp(34px,4.4vw,52px);max-width:none;margin-bottom:28px}
.legal h2{font-size:22px;font-stretch:105%;margin:34px 0 10px;max-width:none}
.legal p,.legal li{color:#2d394b;font-size:16.5px}
.legal p + p{margin-top:12px}
.legal ul{padding-left:20px}
.legal .fecha{color:var(--gris);font-size:14px;margin-top:40px}
.legal .pendiente{background:#fff3d6;padding:0 4px;border-radius:3px}
.heroe .poster{transition:opacity .8s}