/* Cubika · web comercial. Sin fuentes externas ni rastreadores. */
:root {
  --azul: #1769E0;
  --azul-osc: #0B3E8A;
  --azul-claro: #6FA8F5;
  --naranja: #F08A24;
  --naranja-claro: #FFC163;
  --tinta: #14213a;
  --texto: #3b4a63;
  --suave: #6a778c;
  --fondo: #ffffff;
  --fondo-2: #f4f7fb;
  --borde: #dde4ee;
  --ok: #1f8a4c;
  --radio: 14px;
  --sombra: 0 10px 30px rgba(11, 62, 138, .10), 0 2px 6px rgba(11, 62, 138, .06);
  --ancho: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--fondo); color: var(--texto);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul); }
h1, h2, h3 { color: var(--tinta); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(34px, 5vw, 54px); letter-spacing: -.02em; }
h2 { font-size: clamp(27px, 3.4vw, 38px); }
h3 { font-size: 20px; }
p { margin: 0 0 1em; }
.envoltura { max-width: var(--ancho); margin: 0 auto; padding: 0 24px; }
.saltar { position: absolute; left: -999px; }
.saltar:focus { left: 16px; top: 16px; background: #fff; padding: 8px 12px; z-index: 99; }

/* Cabecera */
.cabecera { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--borde); }
.cabecera .envoltura { display: flex; align-items: center; gap: 24px; height: 64px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--tinta); font-weight: 700; font-size: 21px; }
.marca img { width: 30px; height: 30px; }
.menu { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.menu a { color: var(--texto); text-decoration: none; font-size: 15px; }
.menu a:hover { color: var(--azul); }
.pais { font-size: 14px; color: var(--suave); border: 1px solid var(--borde); border-radius: 999px; padding: 4px 12px; text-decoration: none; white-space: nowrap; }
.boton { display: inline-block; background: var(--naranja); color: #fff; font-weight: 650; text-decoration: none; border: 0; border-radius: 10px; padding: 13px 22px; font-size: 16px; cursor: pointer; box-shadow: 0 4px 14px rgba(240,138,36,.35); transition: transform .12s, box-shadow .12s; }
.boton:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(240,138,36,.4); }
.boton.secundario { background: transparent; color: var(--azul-osc); box-shadow: none; border: 1.5px solid var(--borde); }
.boton.pequeno { padding: 8px 16px; font-size: 15px; }

/* Portada */
.heroe { background: linear-gradient(160deg, #eef4fd 0%, #fff 55%); padding: 72px 0 40px; overflow: hidden; }
.heroe .etiqueta { display: inline-block; background: #fff3e4; color: #a24f06; font-weight: 600; font-size: 14px; padding: 5px 12px; border-radius: 999px; margin-bottom: 18px; }
.heroe p.entrada { font-size: 20px; max-width: 680px; color: var(--texto); }
.heroe .acciones { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 12px; }
.heroe .nota { font-size: 14px; color: var(--suave); }
.captura { border-radius: var(--radio); box-shadow: var(--sombra); border: 1px solid var(--borde); overflow: hidden; background: #fff; }
.heroe .captura { margin-top: 48px; }
.captura + .captura { margin-top: 12px; }
.pie-captura { font-size: 13px; color: var(--suave); margin-top: 10px; text-align: center; }

/* Secciones */
section { padding: 88px 0; }
section.gris { background: var(--fondo-2); }
.encabezado { max-width: 760px; margin-bottom: 44px; }
.encabezado.centro { margin-left: auto; margin-right: auto; text-align: center; }
.antetitulo { color: var(--naranja); font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }

.rejilla { display: grid; gap: 22px; }
.r3 { grid-template-columns: repeat(3, 1fr); }
.r2 { grid-template-columns: repeat(2, 1fr); }
.r4 { grid-template-columns: repeat(4, 1fr); }
.tarjeta { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 26px; }
.tarjeta p:last-child { margin-bottom: 0; }
.problema .tarjeta h3::before { content: "✕"; color: #c0392b; margin-right: 8px; }

.fases { counter-reset: fase; }
.fase { position: relative; padding-top: 52px; }
.fase::before { counter-increment: fase; content: counter(fase); position: absolute; top: 18px; left: 26px; width: 30px; height: 30px; border-radius: 50%; background: var(--azul); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 15px; top: 20px; }
.fase { padding-top: 64px; }

.funcion { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: center; margin-bottom: 80px; }
.funcion:last-child { margin-bottom: 0; }
.funcion.invertida { grid-template-columns: 7fr 5fr; }
.funcion.invertida .texto { order: 2; }
.funcion ul { padding-left: 0; list-style: none; margin: 0; }
.funcion li { padding-left: 28px; position: relative; margin-bottom: 8px; }
.funcion li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }

.franja { background: linear-gradient(135deg, var(--azul-osc), var(--azul)); color: #dfe9fb; }
.franja h2, .franja h3 { color: #fff; }
.franja .tarjeta { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.18); color: #dfe9fb; }

.paises { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.paises span { background: #fff; border: 1px solid var(--borde); border-radius: 999px; padding: 5px 13px; font-size: 15px; }
.tabla-terminos { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radio); overflow: hidden; border: 1px solid var(--borde); font-size: 15px; }
.tabla-terminos th, .tabla-terminos td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--borde); }
.tabla-terminos th { background: var(--fondo-2); color: var(--tinta); }

/* Precio */
.precios { display: grid; grid-template-columns: 1.15fr 1fr; gap: 22px; align-items: stretch; }
.plan { background: #fff; border: 2px solid var(--azul); border-radius: 18px; padding: 34px; box-shadow: var(--sombra); }
.plan .cifra { font-size: 52px; font-weight: 750; color: var(--tinta); letter-spacing: -.02em; line-height: 1; }
.plan .cifra small { font-size: 18px; font-weight: 500; color: var(--suave); }
.plan .mes { color: var(--suave); margin: 8px 0 22px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 26px; }
.plan li { padding: 7px 0 7px 28px; position: relative; border-bottom: 1px dashed var(--borde); }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.fundador { background: #fff8ef; border: 1.5px dashed var(--naranja); border-radius: 18px; padding: 30px; }
.fundador .cifra { font-size: 38px; font-weight: 750; color: #a24f06; }

/* Preguntas */
details { background: #fff; border: 1px solid var(--borde); border-radius: 12px; padding: 18px 22px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 650; color: var(--tinta); list-style: none; position: relative; padding-right: 30px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: -2px; font-size: 22px; color: var(--azul); }
details[open] summary::after { content: "–"; }
details p { margin: 12px 0 0; }

/* Formulario */
.formulario { background: #fff; border-radius: 18px; padding: 34px; box-shadow: var(--sombra); color: var(--texto); }
.campo { margin-bottom: 16px; }
.campo label { display: block; font-weight: 600; font-size: 15px; color: var(--tinta); margin-bottom: 6px; }
.campo input, .campo select { width: 100%; padding: 12px 14px; font: inherit; border: 1.5px solid var(--borde); border-radius: 10px; background: #fff; color: var(--tinta); }
.campo input:focus, .campo select:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(23,105,224,.15); }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.casilla { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; margin: 10px 0; }
.casilla input { margin-top: 4px; width: 18px; height: 18px; flex: none; }
.legal-form { font-size: 12.5px; color: var(--suave); margin-top: 14px; line-height: 1.5; }
.oculto { display: none; }

/* Pie */
footer { background: #0b1830; color: #9fb0c9; padding: 48px 0 36px; font-size: 14px; }
footer a { color: #cfdaf0; text-decoration: none; }
footer .envoltura { display: flex; flex-wrap: wrap; gap: 24px 48px; justify-content: space-between; }
footer .enlaces { display: flex; gap: 20px; flex-wrap: wrap; }

/* Páginas legales */
.legal { max-width: 780px; margin: 0 auto; padding: 56px 24px 88px; }
.legal h1 { font-size: 36px; }
.legal h2 { font-size: 22px; margin-top: 36px; }
.legal table { border-collapse: collapse; width: 100%; font-size: 15px; }
.legal td, .legal th { border: 1px solid var(--borde); padding: 8px 10px; text-align: left; vertical-align: top; }
.pendiente { background: #fff3c4; padding: 0 4px; border-radius: 4px; }

/* Selector de país */
.selector { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(160deg, #eef4fd, #fff); text-align: center; padding: 24px; }
.selector .opciones { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
.selector a.opcion { display: block; width: 240px; padding: 26px; background: #fff; border: 1px solid var(--borde); border-radius: 18px; text-decoration: none; color: var(--tinta); box-shadow: var(--sombra); font-weight: 650; font-size: 19px; }
.selector a.opcion span { display: block; font-size: 40px; margin-bottom: 6px; }
.selector a.opcion small { display: block; font-weight: 400; color: var(--suave); font-size: 14px; margin-top: 4px; }

@media (max-width: 900px) {
  .r3, .r4 { grid-template-columns: 1fr 1fr; }
  .funcion, .funcion.invertida, .precios { grid-template-columns: 1fr; gap: 26px; }
  .funcion.invertida .texto { order: 0; }
  .menu a:not(.boton):not(.pais) { display: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .envoltura { padding: 0 16px; }
  .r3, .r4, .r2, .dos { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .heroe { padding-top: 44px; }
  .menu { gap: 10px; }
  .cabecera .boton.pequeno { padding: 7px 12px; font-size: 14px; }
  .formulario, .plan { padding: 24px; }
}
@media (max-width: 420px) {
  .cabecera .envoltura { gap: 10px; }
  .marca { font-size: 18px; }
  .marca img { width: 26px; height: 26px; }
  .pais { font-size: 13px; padding: 3px 8px; }
  .cabecera .boton.pequeno { padding: 6px 10px; font-size: 13px; }
}