/* =============================================================================
   COVATECK — sistema compartido de portada y /nixie/ (sistema.css)
   Sistema de la portada y de la página de Nixie. Composición y ritmo tomados de cursor.com
   (sep-2026): papel neutro, tipografía contenida, producto grande dentro de
   paneles suaves, alternancia de densidad, cierre con titular grande y pie en
   banda. La identidad es la del repo: papel, tinta y el azul de Nixie.
   ============================================================================= */

/* ---------- tokens ---------- */
:root {
  --papel: #F4F1EA;
  --papel-2: #ECE7DC;
  --papel-3: #E6E1D5;
  --blanco: #FFFFFF;
  --tinta: #0F1620;
  --tinta-2: rgba(15,22,32,0.62);
  --tinta-3: rgba(15,22,32,0.46);
  --linea: rgba(15,22,32,0.10);
  --linea-2: rgba(15,22,32,0.16);
  --azul: #1F3A5F;
  --azul-2: #162B48;
  --azul-suave: #E4EAF3;
  --rojo: #B3261E;
  --verde: #1E7A46;
  --sobre-tinta: #F4F1EA;
  --sobre-tinta-2: rgba(244,241,234,0.66);
  --linea-d: rgba(244,241,234,0.14);
  --superficie: #FFFFFF;
  --superficie-2: #FBFAF7;
  --superficie-trans: rgba(255,255,255,0.85);
    --cuadricula: rgba(15,22,32,0.055);

  --radio-s: 8px;
  --radio: 12px;
  --radio-l: 20px;
  --sombra-1: 0 1px 2px rgba(15,22,32,0.05), 0 8px 24px -12px rgba(15,22,32,0.16);
  --sombra-ventana: 0 1px 1px rgba(15,22,32,0.06), 0 30px 70px -30px rgba(15,22,32,0.38), 0 0 0 1px rgba(15,22,32,0.08);

  --ancho: 1300px;
  --gutter: clamp(16px, 4.86vw, 70px);
  --medida: 62ch;

  --s-4: 4px; --s-8: 8px; --s-12: 12px; --s-16: 16px; --s-20: 20px; --s-24: 24px;
  --s-32: 32px; --s-40: 40px; --s-48: 48px; --s-64: 64px; --s-80: 80px; --s-96: 96px;
  --s-120: 120px; --s-160: 160px;

  --ease: cubic-bezier(.2, 0, 0, 1);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --t-micro: 140ms;
  --t-ui: 200ms;
  --t-sec: 550ms;
  --t-grande: 800ms;

  --z-contenido: 1;
  --z-pegajoso: 10;
}

/* ---------- tema oscuro (conmutador de la cabecera) ---------- */
:root[data-tema="oscuro"] {
  --papel: #0F1620;
  --papel-2: #141C27;
  --papel-3: #1A2330;
  --tinta: #F4F1EA;
  --tinta-2: rgba(244,241,234,0.68);
  --tinta-3: rgba(244,241,234,0.5);
  --linea: rgba(244,241,234,0.10);
  --linea-2: rgba(244,241,234,0.16);
  --azul: #A9C0E0;
  --azul-2: #C4D5EC;
  --azul-suave: rgba(169,192,224,0.14);
  --superficie: #161F2B;
  --superficie-2: #1B2532;
  --superficie-trans: rgba(22,31,43,0.85);
  --cuadricula: rgba(244,241,234,0.06);
  --sombra-1: 0 1px 2px rgba(0,0,0,0.3), 0 8px 24px -12px rgba(0,0,0,0.5);
  --sombra-ventana: 0 1px 1px rgba(0,0,0,0.4), 0 30px 70px -30px rgba(0,0,0,0.8), 0 0 0 1px rgba(244,241,234,0.08);
  --tinta-hover: #E6E1D5;
  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
/* las anclas paran debajo de la cabecera fija, con aire */
[id] { scroll-margin-top: calc(var(--cab-h, 92px) + 8px); }
body {
  background: var(--papel);
  color: var(--tinta);
  font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, video { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
:focus-visible { outline: 2px solid var(--azul); outline-offset: 3px; border-radius: 4px; }
::selection { background: rgba(31,58,95,0.18); }

.salto {
  position: absolute; left: 16px; top: -100px;
  z-index: 60;
  padding: 10px 14px; border-radius: 999px;
  background: var(--tinta); color: var(--papel);
  font-size: 14px;
}
.salto:focus { top: 16px; }

/* ---------- primitivas de layout ---------- */
.cont { max-width: calc(var(--ancho) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.sec { padding: var(--s-80) 0; }
.sec--suave { background: linear-gradient(180deg, var(--papel) 0%, var(--papel-2) 100%); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--s-64);
  align-items: center;
}
.split--inv { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.split--inv .split-txt { order: 2; }
.split--inv .split-vis { order: 1; }
.split-txt { max-width: 440px; }
.split-vis { min-width: 0; }

.cabecera-sec {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--s-48);
  align-items: end;
  margin-bottom: var(--s-32);
}
.cabecera-sec .p-sec { margin-top: 0; }

/* ---------- tipografía ---------- */
.h-sec {
  font-size: 24px; line-height: 1.3; font-weight: 500; letter-spacing: -0.012em;
  max-width: 22ch;
  text-wrap: balance;
}
.p-sec {
  margin-top: var(--s-12);
  font-size: 18px; line-height: 1.5; color: var(--tinta-2);
  max-width: 48ch;
}
.p-sec--menor { font-size: 15px; }
.split-txt .enlace { margin-top: var(--s-24); }
.enlace {
  display: inline-flex; align-items: center;
  font-size: 16px; font-weight: 500; color: var(--azul);
  border-bottom: 1px solid transparent;
  transition: color var(--t-micro) ease, border-color var(--t-micro) ease;
}
.enlace:hover { color: var(--azul-2); border-bottom-color: currentColor; }
.h-menor { font-size: 18px; font-weight: 500; }
.p-nota { margin-top: var(--s-8); font-size: 15px; color: var(--tinta-2); max-width: 64ch; }

/* para quién: lede centrado */
.sec--quien { padding-bottom: var(--s-40); }
.pg-lede-quien { max-width: 720px; margin: 0 auto; text-align: center; }
.pg-lede-quien .h-sec { max-width: none; }
.pg-lede-quien .p-sec { max-width: none; margin-top: var(--s-16); }
.cierre-agenda { display: flex; justify-content: center; margin-top: var(--s-24); }

/* ---------- botones ----------
   Efecto propio: al pasar, el rótulo sube y entra su copia desde abajo; el
   botón se alza un pixel con una sombra corta. Sin cambio de color brusco. */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center;
  height: 46px; padding: 0 22px;
  border-radius: 999px;
  font-size: 16px; font-weight: 500; line-height: 1;
  white-space: nowrap;
  transition: background-color var(--t-ui) var(--ease), color var(--t-ui) var(--ease), transform .35s var(--ease), box-shadow .35s var(--ease);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -10px rgba(15,22,32,0.45); }
.btn:active { transform: translateY(0) scale(.985); box-shadow: none; }
.btn-t, .btn-c { display: block; transition: transform .45s var(--ease-out); }
.btn-c { position: absolute; left: 0; right: 0; top: 50%; text-align: center; transform: translateY(calc(-50% + 210%)); }
.btn:hover .btn-t { transform: translateY(-210%); }
.btn:hover .btn-c { transform: translateY(-50%); }
@media (prefers-reduced-motion: reduce) { .btn-t, .btn-c { transition: none; } .btn:hover .btn-t { transform: none; } .btn-c { display: none; } }
.btn--tinta { background: var(--tinta); color: var(--papel); }
.btn--tinta:hover { background: var(--tinta-hover, #1C2733); }
.btn--suave { background: rgba(15,22,32,0.07); color: var(--tinta); }
.btn--suave:hover { background: rgba(15,22,32,0.11); }
.btn[disabled] { opacity: .55; cursor: default; transform: none; }

/* ---------- revelado por scroll / por palabras ---------- */
.rev { opacity: 0; transform: translateY(28px); transition: opacity 800ms var(--ease-out), transform 900ms var(--ease-out); transition-delay: calc(var(--i, 0) * 90ms); }
.rev.in { opacity: 1; transform: none; }
/* variantes: imagen que se asienta (escala + sombra), y cortina que descubre desde abajo */
.rev--img { transform: translateY(40px) scale(1.03); transition-duration: 1000ms, 1100ms; }
.rev--cortina { transform: none; clip-path: inset(100% 0 0 0); transition: clip-path 1100ms var(--ease-out), opacity 400ms ease; }
.rev--cortina.in { clip-path: inset(0 0 0 0); }
/* deriva ligada al scroll para las superficies de producto (compositor, sin JS) */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .deriva { animation: deriva linear both; animation-timeline: view(); animation-range: entry 0% exit 100%; }
  }
}
@keyframes deriva { from { transform: translateY(36px); } to { transform: translateY(-36px); } }
.h-sec .pal, .h-grande .pal, .h-cierre .pal { display: inline-block; }
.pal { display: inline-block; opacity: 0; transform: translateY(.45em); transition: opacity 480ms var(--ease-out), transform 620ms var(--ease-out); transition-delay: var(--d, 0ms); }
.pal.in { opacity: 1; transform: none; }

/* =============================================================================
   HERO
   ============================================================================= */
.hero { padding: calc(var(--cab-h, 80px) + var(--s-96)) 0 var(--s-48); }
.hero-h {
  font-size: 44px; line-height: 1.12; font-weight: 500; letter-spacing: -0.022em;
}
.hero-h > span { display: block; }
.hero-h .h-sec .pal, .h-grande .pal, .h-cierre .pal { display: inline-block; }
.pal { display: inline-block; }
.hero-p { margin-top: var(--s-20); font-size: 19px; line-height: 1.5; color: var(--tinta-2); max-width: 52ch; }
.hero-acciones { display: flex; flex-wrap: wrap; gap: var(--s-12); margin-top: var(--s-32); }

.hero-panel {
  position: relative;
  height: 600px;
  margin-top: var(--s-64);
  border-radius: var(--radio);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(31,58,95,0.10) 0%, rgba(31,58,95,0) 55%),
    linear-gradient(135deg, var(--papel-2) 0%, var(--papel-3) 100%);
}
.ventana {
  position: absolute; left: 0; right: 0; top: 56px;
  width: min(1080px, 92%);
  margin: 0 auto;
  border-radius: 10px 10px 0 0;
  overflow: hidden;
  background: var(--superficie);
  box-shadow: var(--sombra-ventana);
}
.ventana img { width: 100%; height: auto; }

/* =============================================================================
   PANELES DE PRODUCTO (secciones split)
   ============================================================================= */
.panel {
  position: relative;
  border-radius: var(--radio);
  overflow: hidden;
  background: linear-gradient(160deg, var(--papel-2) 0%, var(--papel-3) 100%);
}
.panel--alto { height: 560px; }
.ventana--vertical {
  top: 48px;
  width: min(395px, 74%);
  border-radius: 10px 10px 0 0;
}
.ventana--vertical img { width: 100%; }

/* =============================================================================
   RECORRIDO (tour) — pestañas + escena con paneo/zoom de capturas reales
   ============================================================================= */
.tour {
  border-radius: var(--radio);
  background: var(--superficie);
  border: 1px solid var(--linea);
  box-shadow: var(--sombra-1);
  overflow: hidden;
}
.tour-tabs {
  display: grid; grid-template-columns: repeat(6, 1fr);
  border-bottom: 1px solid var(--linea);
  background: var(--superficie-2);
}
.tour-tabs [role="tab"] {
  position: relative;
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  padding: 14px 14px 12px;
  font-size: 13px; font-weight: 500; color: var(--tinta-3);
  border-right: 1px solid var(--linea);
  text-align: left;
  transition: color var(--t-ui) ease, background-color var(--t-ui) ease;
}
.tour-tabs [role="tab"]:last-child { border-right: 0; }
.tour-tabs [role="tab"]:hover { color: var(--tinta); background: rgba(15,22,32,0.03); }
.tour-tabs [role="tab"][aria-selected="true"] { color: var(--tinta); background: var(--superficie); }
.tour-tabs [role="tab"]:focus-visible { outline-offset: -3px; }
.tour-n { font-size: 11px; font-weight: 500; letter-spacing: .04em; color: var(--tinta-3); }
.tour-prog {
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--azul);
  transform: scaleX(0); transform-origin: left;
}
.tour-tabs [role="tab"][aria-selected="true"] .tour-prog { transition: transform var(--tour-dur, 5500ms) linear; transform: scaleX(1); }
.tour.is-pausa .tour-tabs [role="tab"][aria-selected="true"] .tour-prog,
.tour.is-manual .tour-tabs [role="tab"][aria-selected="true"] .tour-prog { transition: none; transform: scaleX(1); }

.tour-escena {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #F6F6F4;
}
.tour-capa {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 420ms var(--ease);
}
.tour-capa.is-on { opacity: 1; }
.tour-capa img {
  position: absolute; left: 0; top: 0;
  width: 100%; height: auto; max-width: none;
  transform-origin: 0 0;
  transform: scale(var(--s, 1)) translate(calc(var(--x, 0) * -100%), calc(var(--y, 0) * -100%));
  transition: transform 720ms var(--ease);
  will-change: transform;
}
.tour-pie { padding: 30px 28px 26px; border-top: 1px solid var(--linea); min-height: 104px; text-align: center; }
.tour-pie p { margin: 0 auto; font-size: 17px; line-height: 1.5; font-weight: 600; letter-spacing: -0.01em; color: var(--tinta); max-width: 52ch; }
.tour-pie p[hidden] { display: none; }

/* =============================================================================
   OPERACIÓN — panel construido en HTML con las cifras de la cuenta demo
   ============================================================================= */
.op {
  border-radius: var(--radio);
  background: var(--superficie);
  border: 1px solid var(--linea);
  box-shadow: var(--sombra-1);
  overflow: hidden;
  font-size: 14px;
}
.op-cab {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--linea);
  background: var(--superficie-2);
}
.op-marca { font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--azul); }
.op-vista { font-size: 13px; font-weight: 500; }
.op-totales {
  display: grid; grid-template-columns: repeat(3, 1fr);
  padding: 20px 20px 16px;
}
.op-total { display: flex; flex-direction: column; gap: 2px; padding-right: 16px; }
.op-total + .op-total { padding-left: 16px; border-left: 1px solid var(--linea); }
.op-l { font-size: 12px; color: var(--tinta-3); }
.op-cifra { font-size: 30px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.op-s { font-size: 12px; color: var(--tinta-3); }

.op-tabs {
  display: flex; gap: 4px;
  padding: 0 12px;
  border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea);
  background: var(--superficie-2);
  overflow-x: auto;
}
.op-tabs [role="tab"] {
  position: relative;
  padding: 12px 10px 11px;
  font-size: 13px; font-weight: 500; color: var(--tinta-3);
  white-space: nowrap;
  transition: color var(--t-ui) ease;
}
.op-tabs [role="tab"]::after {
  content: ''; position: absolute; left: 10px; right: 10px; bottom: -1px; height: 2px;
  background: var(--tinta); transform: scaleX(0); transform-origin: center;
  transition: transform var(--t-ui) var(--ease);
}
.op-tabs [role="tab"]:hover { color: var(--tinta); }
.op-tabs [role="tab"][aria-selected="true"] { color: var(--tinta); }
.op-tabs [role="tab"][aria-selected="true"]::after { transform: scaleX(1); }
.op-tabs [role="tab"]:focus-visible { outline-offset: -3px; }

.op-pan { padding: 6px 20px 0; min-height: 232px; }
.op-pan[hidden] { display: none; }
.op-pan.is-on { animation: opEntra var(--t-ui) var(--ease-out); }
@keyframes opEntra { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.op-fila { padding: 14px 0; border-bottom: 1px solid var(--linea); }
.op-fila-cab { display: flex; justify-content: space-between; gap: 12px; }
.op-quien { font-weight: 600; }
.op-monto { font-weight: 600; font-variant-numeric: tabular-nums; }
.op-msg { margin-top: 4px; font-size: 13px; color: var(--tinta-2); }
.op-folio { margin-top: 2px; font-size: 12px; color: var(--tinta-3); font-variant-numeric: tabular-nums; }
.op-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 8px; font-size: 12px; color: var(--tinta-3); }
.op-estado { font-weight: 500; color: var(--tinta); }
.op-mayus { text-transform: uppercase; letter-spacing: .04em; font-size: 11px; }
.op-accion { margin-left: auto; font-weight: 600; color: var(--azul); }
.op-suma { display: flex; justify-content: space-between; padding: 12px 0 16px; font-size: 13px; color: var(--tinta-2); }
.op-suma strong { color: var(--tinta); font-variant-numeric: tabular-nums; }
.op-alerta { color: var(--rojo) !important; }

/* =============================================================================
   BANDA OSCURA — estándar
   ============================================================================= */
.banda { padding: var(--s-120) 0; background: #0F1620; color: #F4F1EA; }
.h-grande { font-size: 48px; line-height: 1.1; font-weight: 500; letter-spacing: -0.025em; max-width: 18ch; text-wrap: balance; }
.p-grande { margin-top: var(--s-20); font-size: 18px; color: rgba(244,241,234,0.66); max-width: 56ch; }
.compromisos {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-32);
  margin-top: var(--s-64); padding-top: var(--s-32);
  border-top: 1px solid rgba(244,241,234,0.14);
}
.compromisos > div { text-align: center; }
.compromisos dt { font-size: 16px; font-weight: 600; }
.compromisos dd { margin: var(--s-8) auto 0; font-size: 15px; color: rgba(244,241,234,0.66); max-width: 30ch; }

/* =============================================================================
   TARJETAS — software a medida (patrón "Stay on the frontier")
   ============================================================================= */
.tarjetas { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-20); }
.tarj {
  display: flex; flex-direction: column;
  padding: 24px 24px 0;
  border-radius: var(--radio);
  background: var(--superficie);
  border: 1px solid var(--linea);
  overflow: hidden;
  transition: box-shadow var(--t-ui) var(--ease), transform var(--t-ui) var(--ease);
}
.tarj:hover { box-shadow: var(--sombra-1); transform: translateY(-2px); }
.tarj h3 { font-size: 17px; font-weight: 500; }
.tarj p { margin-top: 6px; font-size: 15px; color: var(--tinta-2); }
.tarj .enlace { margin-top: 14px; font-size: 15px; }
.tarj-media {
  margin: 20px -1px -1px;
  aspect-ratio: 16 / 10;
  border-radius: var(--radio-s) var(--radio-s) 0 0;
  overflow: hidden;
  background: var(--papel-2);
}
.tarj-media img, .tarj-media video { width: 100%; height: 100%; object-fit: cover; }

.galeria { margin-top: var(--s-80); }
.galeria-lista { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-20); margin-top: var(--s-24); }
.galeria-media { aspect-ratio: 4 / 3; border-radius: var(--radio-s); overflow: hidden; background: var(--papel-2); border: 1px solid var(--linea); }
.galeria-media img, .galeria-media video { width: 100%; height: 100%; object-fit: cover; }
.galeria figcaption { margin-top: 10px; font-size: 14px; color: var(--tinta-2); }

/* =============================================================================
   PROCESO — cuatro columnas (patrón de fila del changelog)
   ============================================================================= */
.pasos { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-32); }
.pasos li { padding-top: var(--s-20); border-top: 1px solid var(--linea-2); }
.paso-t { display: block; font-size: 13px; color: var(--tinta-3); font-variant-numeric: tabular-nums; }
.pasos h3 { margin-top: var(--s-12); font-size: 18px; font-weight: 500; }
.pasos p { margin-top: var(--s-8); font-size: 15px; color: var(--tinta-2); }

/* =============================================================================
   CIERRE + FORMULARIO
   ============================================================================= */
.cierre { padding: var(--s-80) 0 var(--s-80); text-align: center; }
.h-cierre { font-size: 52px; line-height: 1.05; font-weight: 500; letter-spacing: -0.03em; text-wrap: balance; }
.p-cierre { margin: var(--s-20) auto 0; font-size: 18px; color: var(--tinta-2); max-width: 52ch; }

.cf { max-width: 640px; margin: var(--s-32) auto 0; text-align: left; display: flex; flex-direction: column; gap: var(--s-12); }
.cf-fila { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-12); }
.cf-campo { display: flex; flex-direction: column; gap: 6px; }
.cf-label { font-size: 14px; font-weight: 500; }
.cf-opcional { font-weight: 400; color: var(--tinta-3); }
.cf-input {
  width: 100%; height: 48px; padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--linea-2);
  background: var(--superficie);
  color: var(--tinta);
  font: inherit; font-size: 16px;
  transition: border-color var(--t-micro) ease, box-shadow var(--t-micro) ease;
}
.cf-input::placeholder { color: var(--tinta-3); }
.cf-select { appearance: none; -webkit-appearance: none; padding-right: 40px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23606871' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; }
#cf-como-campo[hidden] { display: none; }
.cf-input:hover { border-color: rgba(15,22,32,0.28); }
.cf-input:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(31,58,95,0.18); }
.cf-input.error { border-color: var(--rojo); box-shadow: 0 0 0 3px rgba(179,38,30,0.14); }
.cf-input.success { border-color: rgba(30,122,70,0.6); }
.cf-textarea { height: auto; min-height: 104px; padding: 12px 14px; resize: vertical; line-height: 1.5; }
.cf-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cf-captcha-q { font-variant-numeric: tabular-nums; }
.cf-captcha-fila { display: flex; gap: 8px; }
.cf-captcha-input { width: 120px; -moz-appearance: textfield; }
.cf-captcha-input::-webkit-outer-spin-button, .cf-captcha-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.cf-captcha-nueva {
  width: 48px; height: 48px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--tinta-3);
  transition: color var(--t-micro) ease, transform .5s var(--ease);
}
.cf-captcha-nueva:hover { color: var(--tinta); transform: rotate(180deg); }
.cf-ayuda { font-size: 13px; color: var(--tinta-3); }
.cf-consent-label { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--tinta-2); cursor: pointer; }
.cf-consent-label input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--azul); flex: none; }
.cf-consent-label a { color: var(--azul); text-decoration: underline; text-underline-offset: 2px; }
.cf-status { display: none; padding: 12px 14px; border-radius: 10px; font-size: 14px; }
.cf-status.visible { display: block; }
.cf-status.success { background: rgba(30,122,70,0.14); color: var(--verde); }
.cf-status.error { background: rgba(179,38,30,0.12); color: var(--rojo); }
.cf-submit { align-self: center; position: relative; min-width: 220px; }
.cf-submit-loading { display: none; }
.cf-submit.loading .cf-submit-label { display: none; }
.cf-submit.loading .cf-submit-loading { display: inline; }

.cierre-alt { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-8) var(--s-32); margin-top: var(--s-40); font-size: 14px; color: var(--tinta-2); }
.cierre-alt a { color: var(--tinta); border-bottom: 1px solid var(--linea-2); }
.cierre-alt a:hover { border-bottom-color: var(--tinta); }

/* =============================================================================
   PIE — banda oscura (como la referencia): logo, copyright y enlaces en línea
   ============================================================================= */
.pie { background: #0F1620; color: rgba(244,241,234,0.7); padding: var(--s-24) 0; font-size: 14px; }
.pie .cont { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: var(--s-12) var(--s-32); }
.pie-cols { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 4px 22px; }
.pie-col { display: contents; }
.pie-col h2 { display: none; }
.pie-col a {
  position: relative; padding: 4px 0;
  color: rgba(244,241,234,0.7);
  transition: color .3s var(--ease);
}
/* subrayado que se dibuja de izquierda a derecha y se retira por la derecha */
.pie-col a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: #F4F1EA;
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease);
}
.pie-col a:hover { color: #F4F1EA; }
.pie-col a:hover::after { transform: scaleX(1); transform-origin: left; }
/* logo apagado; al pasar el cursor se enciende de a poco: color y halo suben
   juntos con una sola transición larga (sin animación de fotogramas) */
.pie-logo {
  font-weight: 700; letter-spacing: .08em;
  color: rgba(169,192,224,0.32);
  filter: drop-shadow(0 0 0 rgba(201,219,243,0)) drop-shadow(0 0 0 rgba(169,192,224,0));
  transition: color 1.1s cubic-bezier(.4,0,.2,1), filter 1.1s cubic-bezier(.4,0,.2,1);
}
.pie-logo:hover, .pie-logo:focus-visible {
  color: #E6EEF9;
  filter: drop-shadow(0 0 3px rgba(201,219,243,0.55)) drop-shadow(0 0 14px rgba(169,192,224,0.28));
}
@media (prefers-reduced-motion: reduce) { .pie-col a::after, .pie-logo { transition: none; } }
.pie-copy { justify-self: end; white-space: nowrap; }
.pie-tema { order: 3; }
.pie-tema { display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px; background: rgba(244,241,234,0.08); justify-self: end; }
.pie-tema button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  color: rgba(244,241,234,0.55);
  transition: background-color .15s ease, color .15s ease;
}
.pie-tema button svg { width: 14px; height: 14px; }
.pie-tema button:hover { color: #F4F1EA; }
.pie-tema button[aria-pressed="true"] { background: rgba(244,241,234,0.16); color: #F4F1EA; }
.pie-tema button:focus-visible { outline: 2px solid var(--azul); outline-offset: 1px; }

/* =============================================================================
   TABLETA (≤1100)
   ============================================================================= */
@media (max-width: 1100px) {
  .hero-h { font-size: 38px; }
  .hero-panel { height: 480px; }
  .split, .split--inv { grid-template-columns: 1fr; gap: var(--s-40); }
  .split--inv .split-txt { order: 1; }
  .split--inv .split-vis { order: 2; }
  .split-txt { max-width: 560px; }
  .panel--alto { height: 460px; }
  .ventana--vertical { width: min(395px, 60%); }
  .compromisos { grid-template-columns: repeat(2, 1fr); }
  .tarjetas { grid-template-columns: 1fr 1fr; }
  .galeria-lista { grid-template-columns: repeat(2, 1fr); }
  .pasos { grid-template-columns: repeat(2, 1fr); }
  .h-grande { font-size: 40px; }
  .h-cierre { font-size: 52px; }
}

/* =============================================================================
   MÓVIL (≤768)
   ============================================================================= */
@media (max-width: 768px) {
  body { font-size: 15px; }
  .sec { padding: var(--s-64) 0; }
  .hero { padding-top: calc(var(--cab-h, 64px) + var(--s-40)); }
  .hero-h { font-size: 32px; letter-spacing: -0.02em; }
  .hero-p { font-size: 16px; }
  .hero-acciones { margin-top: var(--s-24); }
  .hero-acciones .btn { flex: 1 1 auto; }
  .hero-panel { height: 340px; margin-top: var(--s-40); border-radius: 10px; }
  .ventana { top: 24px; left: 16px; right: auto; width: 200%; margin: 0; border-radius: 8px 8px 0 0; }

  .h-sec { font-size: 22px; max-width: none; }
  .p-sec { font-size: 16px; }
  .cabecera-sec { grid-template-columns: 1fr; gap: var(--s-12); margin-bottom: var(--s-32); }

  .tour-tabs { grid-template-columns: repeat(3, 1fr); }
  .tour-tabs [role="tab"] { padding: 10px 10px 8px; font-size: 12px; }
  .tour-tabs [role="tab"]:nth-child(3n) { border-right: 0; }
  .tour-tabs [role="tab"]:nth-child(-n+3) { border-bottom: 1px solid var(--linea); }
  .tour-escena { aspect-ratio: 4 / 3; }
  .tour-pie { padding: 22px 16px 20px; }
  .tour-pie p { font-size: 15px; }

  .panel--alto { height: 380px; }
  .ventana--vertical { top: 24px; width: 82%; }

  .op-totales { grid-template-columns: 1fr; gap: 12px; padding: 16px; }
  .op-total + .op-total { padding-left: 0; padding-top: 12px; border-left: 0; border-top: 1px solid var(--linea); }
  .op-cifra { font-size: 26px; }
  .op-tabs { flex-wrap: wrap; padding: 4px 8px; }
  .op-pan { padding: 4px 16px 0; min-height: 0; }
  .op-accion { margin-left: 0; flex-basis: 100%; }

  .banda { padding: var(--s-80) 0; }
  .h-grande { font-size: 32px; }
  .p-grande { font-size: 16px; }
  .compromisos { grid-template-columns: 1fr; gap: var(--s-24); margin-top: var(--s-40); }

  .tarjetas { grid-template-columns: 1fr; gap: var(--s-16); }
  .tarj { padding: 20px 20px 0; }
  .galeria { margin-top: var(--s-48); }
  .galeria-lista { grid-template-columns: 1fr 1fr; gap: var(--s-12); }
  .galeria figcaption { font-size: 13px; }

  .pasos { grid-template-columns: 1fr; gap: var(--s-20); }
  .cierre { padding: var(--s-80) 0 var(--s-64); text-align: left; }
  .h-cierre { font-size: 38px; }
  .p-cierre { margin-left: 0; }
  .cf { margin-top: var(--s-32); }
  .cf-fila { grid-template-columns: 1fr; }
  .cf-submit { align-self: stretch; }
  .cierre-alt { justify-content: flex-start; flex-direction: column; }
  .pie .cont { grid-template-columns: 1fr auto; }
  .pie-cols { grid-column: 1 / -1; justify-content: flex-start; }
  .pie-copy { grid-column: 1; justify-self: start; }
  .pie-tema { grid-column: 2; grid-row: 1; }
}
@media (max-width: 420px) {
  .galeria-lista { grid-template-columns: 1fr; }
}

/* =============================================================================
   VOLVER AL INICIO — pequeño letrero de neón: cinco trazos que se encienden de
   abajo arriba con la lectura; al pasar, parpadea y muestra "inicio"; al pulsar
   rebobina y los trazos se van apagando.
   ============================================================================= */
.cero {
  position: fixed; right: 26px; bottom: 26px; z-index: 30;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 10px 8px 8px; border-radius: 10px;
  color: var(--neon, #FF7A59);
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: opacity .3s var(--ease), transform .45s var(--ease);
}
[data-tema="oscuro"] .cero { --neon: #FF9A7B; }
.cero.visible { opacity: 1; transform: none; pointer-events: auto; }
.cero.oculto { opacity: 0; pointer-events: none; }
.cero-tubo { display: flex; flex-direction: column-reverse; gap: 5px; }
.cero-tubo i {
  display: block; width: 18px; height: 2px; border-radius: 2px;
  background: currentColor; opacity: .18;
  transition: opacity .25s ease, box-shadow .25s ease;
}
.cero-tubo i.on { opacity: 1; box-shadow: 0 0 4px currentColor, 0 0 10px currentColor, 0 0 18px color-mix(in srgb, currentColor 55%, transparent); }
.cero-t {
  font-size: 9px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
  opacity: 0; transform: translateY(4px);
  transition: opacity .25s ease, transform .35s var(--ease);
  text-shadow: 0 0 6px currentColor, 0 0 14px color-mix(in srgb, currentColor 60%, transparent);
}
.cero:hover .cero-t, .cero:focus-visible .cero-t { opacity: 1; transform: none; }
.cero:hover .cero-tubo i { animation: neonEnciende .9s steps(1, end) 1; opacity: 1; box-shadow: 0 0 4px currentColor, 0 0 10px currentColor, 0 0 18px color-mix(in srgb, currentColor 55%, transparent); }
.cero:hover .cero-tubo i:nth-child(2) { animation-delay: .06s; }
.cero:hover .cero-tubo i:nth-child(3) { animation-delay: .12s; }
.cero:hover .cero-tubo i:nth-child(4) { animation-delay: .18s; }
.cero:hover .cero-tubo i:nth-child(5) { animation-delay: .24s; }
@keyframes neonEnciende { 0%, 18% { opacity: .18; box-shadow: none; } 19%, 24% { opacity: 1; } 25%, 34% { opacity: .3; box-shadow: none; } 35% { opacity: 1; } }
.cero:active { transform: scale(.96); }
@media (max-width: 768px) { .cero { right: 14px; bottom: 14px; } }

/* ---------- movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rev, .pal { opacity: 1; transform: none; transition: none; clip-path: none; }
  .cero-tubo i { transition: none; animation: none !important; }
  .tour-capa, .tour-capa img, .tour-prog, .btn, .tarj { transition: none !important; }
  .op-pan.is-on { animation: none; }
}