/* Voltea · prototipo. Mobile first: la base es el celular y los @media (min-width) agregan columnas.
   Paleta: ámbar = plata que se va; verde-azulado = ahorro. */
:root {
  --papel: #f2f4ef;
  --papel-2: #e8ece5;
  --blanco: #fbfcf9;
  --tinta: #16211c;
  --tinta-2: #3b4842;
  --gris: #5f6b65;
  --linea: #d3dad1;
  --tablero: #1c2a24;
  --tablero-2: #26362f;
  --borde-osc: #33463d;
  --ambar: #f0a202;
  --ambar-suave: #fbe7b5;
  --ahorro: #0b7a64;
  --ahorro-claro: #3fc8a4;
  --ahorro-suave: #d5efe6;
  --error: #b3261e;
  --lcd: #c9dcc4;
  --claro-osc: #b6c6bd;
  --tenue-osc: #8ea398;

  --display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --texto: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --radio: 12px;
  --ancho: 1180px;
  --gutter: 18px;
  --alto-barra: 60px;
  --flecha: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2316211C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
  --flecha-der: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8h10M9 4l4 4-4 4'/%3E%3C/svg%3E");
  color-scheme: light;
}

/* ---------- Base (celular) ---------- */
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--alto-barra) + 12px); overflow-x: clip; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--papel); color: var(--tinta);
  font-family: var(--texto); font-size: 16px; line-height: 1.55; font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
}
img, svg, canvas { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--display); line-height: 1.04; margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.7rem, 11.5vw, 5.8rem); font-weight: 840; font-variation-settings: "wdth" 114; letter-spacing: -0.03em; line-height: .98; }
h2 { font-size: clamp(1.75rem, 7.4vw, 3.1rem); font-weight: 780; font-variation-settings: "wdth" 108; }
h3 { font-size: 1.12rem; font-weight: 700; font-variation-settings: "wdth" 104; line-height: 1.2; }
h1 em, h2 em { font-style: normal; color: var(--ahorro); }
p { margin: 0; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--ambar); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--ambar-suave); color: var(--tinta); }
input, select, textarea { caret-color: var(--ahorro); }
html { scrollbar-color: var(--claro-osc) var(--papel); }

/* Enlace de texto: la acción secundaria, para que el botón oscuro sea la única acción fuerte */
.enlace {
  display: inline-flex; align-items: center; gap: 6px; min-height: 52px; padding: 0 4px;
  font-weight: 650; color: var(--tinta); text-decoration: underline; text-decoration-thickness: 1.5px;
  text-underline-offset: 5px; text-decoration-color: var(--ahorro);
}
.enlace::after { content: ""; width: 16px; height: 16px; flex: none; background: var(--ahorro); -webkit-mask: var(--flecha-der) center / contain no-repeat; mask: var(--flecha-der) center / contain no-repeat; transition: transform .2s cubic-bezier(.2,.8,.2,1); }
.enlace:hover::after { transform: translateX(3px); }

.contenedor { max-width: var(--ancho); margin: 0 auto; padding-inline: var(--gutter); }
.contenedor.angosto { max-width: 820px; }
.franja { padding-block: 56px; }
.dos-col { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; }

/* Botones: 52 px de alto, cómodos para el pulgar */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-align: center;
  min-height: 52px; padding: 0 22px; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--tinta); color: var(--papel); font: 650 1rem/1.15 var(--texto); font-variation-settings: "wdth" 104;
  text-decoration: none; transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
  box-shadow: 0 1px 0 rgba(255,255,255,.12) inset, 0 8px 22px -12px rgba(22,33,28,.6);
  touch-action: manipulation;
}
.boton:active { transform: scale(.98); }
.boton-sec { background: transparent; color: var(--tinta); box-shadow: inset 0 0 0 1.5px var(--tinta); }
.boton-chico { min-height: 42px; padding: 0 16px; font-size: .9rem; }
.boton-ancho { width: 100%; }
.boton[disabled] { opacity: .6; cursor: progress; transform: none; }
.boton-texto { background: none; border: 0; color: var(--gris); font: 500 .95rem var(--texto); text-decoration: underline; cursor: pointer; padding: 12px 8px; justify-self: start; }

/* Barra superior */
.barra {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  display: flex; align-items: center; gap: 10px; justify-content: space-between;
  min-height: var(--alto-barra); padding: 8px var(--gutter);
  background: color-mix(in srgb, var(--papel) 86%, transparent); backdrop-filter: blur(12px) saturate(1.3); -webkit-backdrop-filter: blur(12px) saturate(1.3);
  border-bottom: 1px solid color-mix(in srgb, var(--linea) 70%, transparent);
}
.marca { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--tinta); }
.marca svg { width: 28px; height: 28px; }
.marca span { font-family: var(--display); font-weight: 850; font-size: 1.25rem; font-variation-settings: "wdth" 125; letter-spacing: -0.02em; }

/* ---------- Relato con escena 3D ---------- */
/* Celular: la escena queda fija arriba y los pasos pasan por debajo. */
.relato { display: grid; grid-template-columns: minmax(0, 1fr); max-width: 1400px; margin: 0 auto; }
.relato-escena {
  grid-row: 1; position: sticky; top: calc(var(--alto-barra) + env(safe-area-inset-top, 0px)); z-index: 2;
  height: 42svh; min-height: 280px; max-height: 440px;
  margin: 0; padding: 8px var(--gutter) 0;
  background: linear-gradient(var(--papel) 85%, color-mix(in srgb, var(--papel) 0%, transparent));
}
.escena {
  position: relative; width: 100%; height: 100%; border-radius: 18px; overflow: hidden;
  background:
    radial-gradient(120% 90% at 70% 20%, #ffffff 0%, rgba(255,255,255,0) 60%),
    linear-gradient(160deg, #e9eee6 0%, #dfe6dc 100%);
  box-shadow: inset 0 0 0 1px var(--linea);
  touch-action: pan-y;
}
.escena canvas { width: 100% !important; height: 100% !important; }
.escena-pie { display: none; }
.lcd {
  position: absolute; right: calc(var(--gutter) + 8px); bottom: 8px; width: 150px;
  background: var(--tablero); color: var(--lcd); border-radius: 10px; padding: 7px 10px 6px;
  font-family: var(--mono); box-shadow: 0 16px 30px -20px rgba(0,0,0,.6), inset 0 0 0 1px var(--borde-osc);
}
.lcd-fila { display: flex; justify-content: space-between; align-items: baseline; gap: 6px; padding: 2px 0; border-bottom: 1px dashed var(--borde-osc); }
.lcd-fila:last-of-type { border-bottom: 0; }
.lcd-rotulo { white-space: nowrap; font-size: .6rem; text-transform: uppercase; letter-spacing: .06em; color: var(--tenue-osc); }
.lcd-valor { font-size: .8rem; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lcd-plata { color: var(--ambar); }
.lcd-estado { margin-top: 3px; font-size: .58rem; letter-spacing: .05em; text-transform: uppercase; color: var(--ahorro-claro); }
.lcd.cerrado .lcd-estado { color: var(--ambar); }

.relato-texto { grid-row: 2; padding-inline: var(--gutter); position: relative; z-index: 1; }
.paso {
  min-height: 62svh; display: flex; flex-direction: column; justify-content: center; gap: 16px;
  padding-block: 36px; opacity: .4; transition: opacity .5s ease;
}
.paso.activo { opacity: 1; }
.paso-inicio { min-height: auto; opacity: 1; padding-top: 24px; }
.paso p { color: var(--tinta-2); }
.paso .entrada { font-size: 1.22rem; line-height: 1.45; max-width: 34ch; color: var(--tinta-2); }
.paso .entrada strong { color: var(--tinta); font-weight: 650; }
.paso-num { font-weight: 700; font-size: .95rem; color: var(--ahorro) !important; font-variation-settings: "wdth" 108; }
.acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; margin-top: 6px; }

.garantias { list-style: none; padding: 0; margin: 4px 0 0; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .9rem; color: var(--gris); }
.garantias li { display: flex; align-items: center; gap: 7px; }
.garantias li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ahorro-claro); flex: none; }
.garantias strong { color: var(--tinta); font-weight: 650; }

.aviso-app {
  background: var(--blanco); border-radius: 16px; padding: 14px 16px; max-width: 400px;
  box-shadow: 0 18px 40px -26px rgba(22,33,28,.55), 0 0 0 1px var(--linea);
}
.aviso-cabeza { display: flex; align-items: center; gap: 8px; font-size: .76rem; color: var(--gris); margin-bottom: 6px; font-family: var(--mono); }
.aviso-icono { width: 20px; height: 20px; border-radius: 6px; background: var(--ambar); color: var(--tinta); display: grid; place-items: center; font-weight: 800; font-size: .8rem; flex: none; }
.aviso-app p { font-size: .95rem; color: var(--tinta); }

/* ---------- Factura vs desglose ---------- */
.factura-sec { background: none; }
.factura-sec .dos-col > div:first-child { display: grid; gap: 16px; }
.factura-vs { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.factura-vs figure { margin: 0; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.factura-vs figcaption { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gris); }
.factura-hoja {
  flex: 1; background: var(--papel); border-radius: 6px; padding: 16px; position: relative;
  box-shadow: 0 0 0 1px var(--linea);
  background-image: repeating-linear-gradient(0deg, transparent 0 27px, rgba(22,33,28,.04) 27px 28px);
}
.factura-titulo { font-weight: 700; font-size: .9rem; margin-bottom: 12px; font-variation-settings: "wdth" 110; }
.factura-hoja dl { margin: 0; display: grid; gap: 8px; }
.factura-hoja dl div { display: flex; justify-content: space-between; gap: 8px; font-size: .88rem; }
.factura-hoja dt { color: var(--gris); }
.factura-hoja dd { margin: 0; }
.factura-total { border-top: 2px solid var(--tinta); padding-top: 8px; margin-top: 4px; font-weight: 700; }
.factura-duda { margin-top: 16px; font-family: var(--mono); font-size: .8rem; color: var(--ambar); background: var(--tinta); display: inline-block; padding: 4px 8px; border-radius: 4px; }
.desglose { background: var(--tablero); color: #e3eae4; border-radius: 14px; padding: 16px; }
.desglose figcaption { color: var(--tenue-osc); }
.barras { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.barras li { position: relative; display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-size: .86rem; padding-bottom: 8px; }
.barras li > span:first-child { min-width: 0; }
.barras li::after { content: ""; position: absolute; left: 0; bottom: 0; height: 4px; width: calc(var(--p) * 3.2); max-width: 100%; background: var(--ahorro-claro); border-radius: 4px; }
.barras li.alerta::after { background: var(--ambar); }
.barras li em { font-style: normal; color: var(--ambar); }
.desglose-pie { font-size: .8rem; color: var(--tenue-osc); margin-top: 4px; }

/* ---------- Campos de formulario (comunes) ---------- */
select, input:not([type="range"]):not([type="radio"]):not([type="checkbox"]) {
  -webkit-appearance: none; appearance: none;
  display: block; width: 100%; min-height: 52px; margin: 0;
  border: 0; border-radius: var(--radio); background-color: var(--blanco); color: var(--tinta);
  box-shadow: inset 0 0 0 1.5px var(--linea); padding: 0 14px;
  font: 500 16px/1.2 var(--texto); /* 16 px evita el zoom automático de iOS */
}
select { padding-right: 42px; background-image: var(--flecha); background-repeat: no-repeat; background-position: right 14px center; background-size: 16px; cursor: pointer; }
input[type="date"] { font-family: var(--mono); line-height: 52px; }
input[type="date"]::-webkit-date-and-time-value { text-align: left; }
input[type="date"]::-webkit-calendar-picker-indicator { opacity: .6; cursor: pointer; }
select:focus, input:focus { outline: none; box-shadow: inset 0 0 0 2px var(--tinta); }
input::placeholder { color: var(--gris); }

.campo-plata { display: flex; align-items: center; background: var(--blanco); border-radius: var(--radio); box-shadow: inset 0 0 0 1.5px var(--linea); padding-left: 14px; }
.campo-plata:focus-within { box-shadow: inset 0 0 0 2px var(--tinta); }
.campo-plata span { font-family: var(--mono); color: var(--gris); }
.campo-plata input { box-shadow: none !important; background: transparent !important; padding-left: 6px !important; }

/* ---------- Calculadora ---------- */
.calculadora-sec h2 { margin-bottom: 28px; }
.calc { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
.calc-entradas { display: grid; gap: 10px; min-width: 0; }
.calc-entradas label, .calc-horario legend { font-weight: 600; font-size: .96rem; }
.calc-entradas > label:not(:first-child) { margin-top: 12px; }
#calc-factura { font-family: var(--mono); font-size: 1.6rem; font-weight: 600; min-height: 60px; }
.ayuda { font-size: .82rem; color: var(--gris); }
input[type="range"] { width: 100%; height: 32px; margin: 0; accent-color: var(--ahorro); }
.calc-horario { border: 0; padding: 0; margin: 12px 0 0; min-width: 0; }
.calc-horario legend { margin-bottom: 10px; padding: 0; }
.segmentos { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); background: var(--papel-2); border-radius: 999px; padding: 4px; }
.segmentos label { position: relative; text-align: center; padding: 12px 0; border-radius: 999px; cursor: pointer; font-family: var(--mono); font-size: .9rem; font-weight: 500; }
.segmentos input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.segmentos label:has(input:checked) { background: var(--tinta); color: var(--papel); }
.segmentos label:has(input:focus-visible) { outline: 3px solid var(--ambar); }

.calc-resultado {
  background: var(--tablero); color: #e3eae4; border-radius: 18px; padding: 20px; display: grid; gap: 20px; min-width: 0;
}
.calc-reparto { display: grid; gap: 10px; }
.reparto-fila { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "nombre monto" "barra barra"; gap: 4px 12px; align-items: center; font-size: .86rem; }
.reparto-fila > span:first-child { grid-area: nombre; }
.reparto-fila > .reparto-barra { grid-area: barra; }
.reparto-fila > .mono { grid-area: monto; }
.reparto-barra { height: 8px; border-radius: 6px; background: #2c3d35; overflow: hidden; }
.reparto-barra i { display: block; height: 100%; background: #7d8f86; border-radius: 6px; transition: width .5s cubic-bezier(.2,.8,.2,1); }
.reparto-barra i b { display: block; height: 100%; background: var(--ahorro-claro); border-radius: 6px; margin-left: auto; transition: width .5s cubic-bezier(.2,.8,.2,1); }
.reparto-fila .mono { color: var(--claro-osc); font-size: .82rem; }
.calc-cifras { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; border-top: 1px solid var(--borde-osc); padding-top: 18px; }
.cifra-rotulo { font-family: var(--mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--tenue-osc); margin-bottom: 6px; }
.cifra { font-size: 2.2rem; font-weight: 600; line-height: 1; }
.cifra-ahorro { color: var(--ahorro-claro); }
.cifra-texto { font-size: 1.05rem; font-weight: 600; line-height: 1.3; }
.cifra-texto small { display: block; font-weight: 400; color: var(--claro-osc); font-size: .85rem; margin-top: 4px; }
.calc-letra { font-size: .8rem; color: var(--tenue-osc); }
.calc-resultado .boton { background: var(--ambar); color: var(--tinta); width: 100%; }

/* ---------- Plan por módulos ---------- */
.plan-sec { background: none; padding-bottom: 136px; } /* aire para la barra fija inferior */
.plan-sec h2 { margin-bottom: 28px; }
.plan { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.plan-modulos { display: grid; gap: 12px; perspective: 1200px; min-width: 0; }
.lista-modulos { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.modulo {
  background: var(--blanco); border-radius: 16px; padding: 16px; display: grid; gap: 14px; align-content: space-between;
  box-shadow: 0 0 0 1.5px var(--linea); transition: box-shadow .2s ease, transform .25s ease; transform-style: preserve-3d; min-width: 0;
}
.modulo.elegido { box-shadow: 0 0 0 2px var(--ahorro); }
.modulo-base { background: var(--tablero); color: #e3eae4; box-shadow: none; }
.modulo-base p { color: var(--claro-osc); font-size: .9rem; }
.modulo-base .modulo-precio { color: #e3eae4; }
.modulo-cabeza { display: flex; gap: 14px; align-items: flex-start; min-width: 0; }
.modulo-cabeza p { font-size: .88rem; color: var(--gris); margin-top: 4px; }
.modulo-icono { flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--ahorro-suave); display: grid; place-items: center; transform: translateZ(30px); }
.modulo-base .modulo-icono { background: #2c3d35; }
.modulo-icono svg { width: 24px; height: 24px; }
.modulo-precio { font-size: .9rem; color: var(--gris); }
.modulo-precio .mono { font-size: 1.08rem; font-weight: 600; color: var(--tinta); }
.modulo-base .modulo-precio .mono { color: var(--ambar); }
.modulo-pie { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.contador { display: inline-flex; align-items: center; background: var(--papel-2); border-radius: 999px; padding: 3px; }
.contador button { width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--blanco); color: var(--tinta); font: 700 1.2rem var(--mono); cursor: pointer; box-shadow: 0 1px 2px rgba(0,0,0,.08); touch-action: manipulation; }
.contador button:disabled { opacity: .35; cursor: default; }
.contador output { min-width: 36px; text-align: center; font-family: var(--mono); font-weight: 600; }
.modulo-ahorro { font-size: .8rem; font-family: var(--mono); color: var(--ahorro); }
.modulo-ahorro.flojo { color: var(--gris); }

.resumen {
  background: var(--blanco); border-radius: 18px; padding: 20px; display: grid; gap: 14px; min-width: 0;
  box-shadow: 0 0 0 1.5px var(--tinta);
}
.resumen-rotulo { font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gris); }
.resumen-lineas { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .92rem; }
.resumen-lineas li { display: flex; justify-content: space-between; gap: 10px; }
.resumen-lineas .mono { white-space: nowrap; }
.resumen-total { display: flex; justify-content: space-between; align-items: baseline; border-top: 2px solid var(--tinta); padding-top: 12px; font-weight: 700; }
.resumen-total .mono { font-size: 1.6rem; }
.resumen-neto { font-size: .88rem; border-radius: 10px; padding: 10px 12px; background: var(--ahorro-suave); color: #075747; }
.resumen-neto.negativo { background: var(--ambar-suave); color: #6b4a00; }
.resumen-neto:empty { display: none; }
.resumen-letra { font-size: .8rem; color: var(--gris); }

/* Barra fija inferior con el total del plan (solo celular) */
.barra-plan {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom, 0px));
  background: var(--tablero); color: #e3eae4; box-shadow: 0 -12px 30px -18px rgba(0,0,0,.5);
  animation: subir .25s ease;
}
.barra-plan-total { display: grid; grid-template-columns: auto auto; column-gap: 6px; align-items: baseline; line-height: 1.1; }
.barra-plan-total span { grid-column: 1 / -1; font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; color: var(--tenue-osc); }
.barra-plan-total strong { font-size: 1.35rem; color: var(--ambar); }
.barra-plan-total small { color: var(--claro-osc); }
.barra-plan .boton { background: var(--ambar); color: var(--tinta); min-height: 48px; box-shadow: none; }
@keyframes subir { from { transform: translateY(100%); } to { transform: none; } }

/* ---------- Agendar ---------- */
.agendar-sec { background: var(--tablero); color: #e3eae4; }
.agendar-sec .antetitulo { color: var(--ahorro-claro); }
.agendar-intro { display: grid; gap: 16px; min-width: 0; }
.agendar-intro p { color: var(--claro-osc); }

.formulario, .confirmacion { background: var(--papel); color: var(--tinta); border-radius: 20px; padding: 20px; display: grid; gap: 16px; min-width: 0; }
.fila-2 { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.campo { display: grid; gap: 6px; min-width: 0; align-content: start; }
.campo label { font-weight: 600; font-size: .92rem; }
.opcional { font-weight: 400; color: var(--gris); }
.campo input[aria-invalid="true"], .campo select[aria-invalid="true"] { box-shadow: inset 0 0 0 2px var(--error); }
#f-factura { font-family: var(--mono); }
.plan-elegido { background: var(--blanco); border-radius: 12px; padding: 12px 14px; font-size: .9rem; box-shadow: inset 0 0 0 1.5px var(--linea); overflow-wrap: anywhere; }
.plan-elegido strong { font-weight: 650; }
.plan-elegido a { color: var(--ahorro); font-weight: 600; }
.chequeo { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 12px; align-items: start; font-size: .9rem; cursor: pointer; padding: 4px 0; }
.chequeo input { width: 22px; height: 22px; margin: 1px 0 0; accent-color: var(--ahorro); }
.chequeo.invalido span { color: var(--error); }
.error-form { color: var(--error); font-weight: 600; font-size: .92rem; }
.confirmacion { gap: 18px; align-self: start; }
.confirmacion h2 { font-size: clamp(1.6rem, 6vw, 2.4rem); }
.cupo { border-radius: 16px; padding: 18px; background: var(--blanco); box-shadow: 0 0 0 1.5px var(--ambar); display: grid; gap: 12px; }
.cupo .boton { background: var(--ambar); color: var(--tinta); width: 100%; }
.revelacion { border-radius: 16px; padding: 18px; background: var(--ahorro-suave); color: #064a3c; display: grid; gap: 10px; }

/* Módulos opcionales, plegados bajo el plan base */
.mas-modulos { border: 0; }
.mas-modulos > summary { padding: 14px 40px 14px 0; font-size: .98rem; }
.mas-modulos > summary span { font-weight: 400; color: var(--gris); }
.mas-modulos[open] > summary { margin-bottom: 10px; }

/* ---------- Preguntas ---------- */
.preguntas-sec h2 { margin-bottom: 24px; }
.preguntas-sec details { border-top: 1px solid var(--linea); }
.preguntas-sec details:last-of-type { border-bottom: 1px solid var(--linea); }
summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; font-weight: 650; font-size: 1.02rem; position: relative; font-variation-settings: "wdth" 104; min-height: 48px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 6px; top: 13px; font: 500 1.5rem var(--mono); color: var(--ahorro); transition: transform .2s ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { padding: 0 0 20px; color: var(--tinta-2); max-width: 65ch; }

/* ---------- Pie ---------- */
.pie { background: var(--tinta); color: #9fb0a6; padding-block: 36px calc(36px + env(safe-area-inset-bottom, 0px)); font-size: .85rem; }
.pie .marca { color: var(--papel); }
.pie .marca svg rect { fill: #2c3d35; }
.pie-col { display: grid; gap: 20px; }
.pie p { max-width: 80ch; }

/* Si el navegador no tiene WebGL, la escena muestra un respaldo estático */
.escena.sin-3d { display: grid; place-items: center; }
.escena.sin-3d::after { content: "Tablero → nevera · aire · horno · luces · caja"; font-family: var(--mono); font-size: .9rem; color: var(--gris); padding: 24px; text-align: center; }

/* ---------- ≥ 560 px: celulares grandes y tabletas pequeñas ---------- */
@media (min-width: 560px) {
  :root { --gutter: 28px; }
  .fila-2, .lista-modulos { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .calc-cifras { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .calc-resultado .boton, .cupo .boton { width: auto; justify-self: start; }

  .formulario, .confirmacion { padding: 28px; }
}

/* ---------- ≥ 760 px: tabletas ---------- */
@media (min-width: 760px) {
  body { font-size: 17px; }
  .franja { padding-block: 88px; }
  .factura-vs { grid-template-columns: .8fr 1.2fr; }
  .factura-hoja { transform: rotate(-1.4deg); }
  .relato-escena { height: 48svh; max-height: 520px; }
  .lcd { width: 180px; padding: 10px 12px 8px; right: calc(var(--gutter) + 12px); bottom: 12px; }
  .lcd-rotulo { font-size: .66rem; }
  .lcd-valor { font-size: .92rem; }
  .lcd-estado { font-size: .66rem; }
  .reparto-fila { grid-template-columns: 9.5em minmax(0, 1fr) auto; grid-template-areas: "nombre barra monto"; gap: 12px; }
  .reparto-barra { height: 10px; }
  .calc-resultado { padding: 28px; }
  .pie-col { grid-template-columns: auto 1fr; gap: 28px; align-items: center; }

}

/* ---------- ≥ 1000 px: escritorio ---------- */
@media (min-width: 1000px) {
  :root { --gutter: 40px; --alto-barra: 64px; }
  .franja { padding-block: 120px; }
  .dos-col { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 72px; align-items: center; }
  .agendar-col { align-items: start; }
  .agendar-intro { position: sticky; top: 100px; }

  /* Relato: texto a la izquierda, escena fija a la derecha */
  .relato { grid-template-columns: minmax(0, .82fr) minmax(0, 1.3fr); gap: 32px; padding-inline: var(--gutter); }
  .relato-texto { grid-column: 1; grid-row: 1; padding-inline: 0; }
  .relato-escena {
    grid-column: 2; grid-row: 1; align-self: start; top: calc(var(--alto-barra) + 8px);
    height: calc(100svh - var(--alto-barra) - 24px); min-height: 520px; max-height: 860px;
    margin: 8px 0 0; padding: 0; background: none;
  }
  .escena { position: absolute; inset: 0; border-radius: 22px; cursor: grab; touch-action: auto; }
  .escena-pie { display: block; position: absolute; left: 20px; bottom: 18px; right: 220px; font-size: .85rem; color: var(--tinta-2); max-width: 36ch; }
  .lcd { right: 16px; bottom: 16px; width: 190px; }
  .paso { min-height: 78svh; max-width: 560px; padding-right: 48px; padding-block: 48px; }
  .paso-inicio { min-height: calc(100svh - var(--alto-barra) - 16px); padding-top: 32px; }
  .paso .entrada { font-size: 1.32rem; }
  .paso-inicio h1 { font-size: clamp(3rem, 4.9vw, 5.2rem); }

  .calc { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 48px; align-items: start; }
  .plan { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px; align-items: start; }
  .resumen { position: sticky; top: 88px; padding: 24px; }
  .barra-plan { display: none; }
  .plan-sec { padding-bottom: 120px; }
  .formulario, .confirmacion { padding: 32px; }

  @media (hover: hover) {
    .boton:hover { transform: translateY(-2px); background: #0d1512; }
    .boton-sec:hover { background: var(--tinta); color: var(--papel); }
    .calc-resultado .boton:hover, .cupo .boton:hover, .barra-plan .boton:hover { background: #ffb81c; }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
}

/* ---------- Fotografías (imágenes de referencia) ---------- */
.negocios-sec { background: none; padding-top: 0; }
.negocios { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 28px; }
.negocio { margin: 0; display: grid; gap: 10px; }
.negocio img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; background: var(--papel-2); border-radius: 14px; }
.negocio figcaption { padding: 0 2px; }
.negocio strong { font-family: var(--display); font-size: 1.02rem; font-weight: 700; font-variation-settings: "wdth" 104; }

.paso-foto { margin: 0; display: grid; gap: 8px; }
.paso-foto img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 16px; }

.agendar-foto { margin: 4px 0 0; }
.agendar-foto img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 16px; box-shadow: 0 0 0 1px var(--borde-osc); }

@media (min-width: 560px) {
  .negocios { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
}
@media (min-width: 1000px) {
  .negocios { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin-top: 36px; }

  .paso-foto img { max-width: 420px; }
}

/* Sobre las superficies oscuras el gris secundario se aclara; dentro del formulario (fondo claro) vuelve al normal */
.agendar-sec, .desglose, .calc-resultado, .modulo-base, .barra-plan { --gris: var(--claro-osc); }
.formulario, .confirmacion { --gris: #5f6b65; }