:root {
  --azul: #1d3170;
  --azul-oscuro: #141d3b;
  --azul-hover: #142456;
  --azul-suave: #e8ecf7;
  --naranja: #f26b1d;
  --naranja-oscuro: #c2410c;
  --naranja-suave: #fff1e8;
  --verde: #157f3b;
  --verde-suave: #e7f6ec;
  --texto: #141d3b;
  --tenue: #566080;
  --borde: #e0e4ef;
  --fondo: #ffffff;
  --fondo-claro: #f4f6fb;
  --whatsapp: #128c4a;
  --r: 14px;
  --r-grande: 22px;
  --sombra: 0 1px 2px rgb(16 24 40 / 6%), 0 4px 14px rgb(16 24 40 / 6%);
  --sombra-alta: 0 18px 50px rgb(20 29 59 / 18%);
  --fuente: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font-family: var(--fuente); color: var(--texto); background: var(--fondo); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: var(--azul); }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
.container { width: min(1180px, 100% - 32px); margin-inline: auto; }
.angosto { width: min(820px, 100% - 32px); }
.tenue { color: var(--tenue); font-size: .92rem; }
.saltar { position: absolute; left: -999px; top: 8px; background: var(--azul); color: #fff; padding: .5rem 1rem; border-radius: 8px; z-index: 200; }
.saltar:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--naranja); outline-offset: 2px; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .7rem 1.2rem; border-radius: 10px; font-weight: 600; font-size: .95rem; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background .15s, color .15s, transform .15s, box-shadow .15s; font-family: inherit; }
.btn:hover { transform: translateY(-1px); }
.btn-primario { background: var(--naranja); color: #fff; box-shadow: 0 6px 18px rgb(242 107 29 / 30%); }
.btn-primario:hover { background: var(--naranja-oscuro); }
.btn-contorno { border-color: var(--azul); color: var(--azul); background: transparent; }
.btn-contorno:hover { background: var(--azul); color: #fff; }
.btn-texto { color: var(--azul); background: transparent; }
.btn-whatsapp { background: var(--whatsapp); color: #fff; }
.btn-whatsapp:hover { background: #0e7a3f; }
.btn-grande { padding: .9rem 1.5rem; font-size: 1.02rem; }
.btn-bloque { width: 100%; }

/* Navegación */
.navbar { position: sticky; top: 0; z-index: 100; background: rgb(255 255 255 / 92%); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.navbar.con-sombra { border-color: var(--borde); box-shadow: var(--sombra); }
.nav-inner { display: flex; align-items: center; gap: 1.5rem; height: 72px; }
.logo img { display: block; height: 46px; width: auto; }
.nav-links { display: flex; gap: 1.4rem; list-style: none; margin: 0 0 0 auto; padding: 0; }
.nav-links a { color: var(--texto); text-decoration: none; font-weight: 500; font-size: .94rem; }
.nav-links a:hover { color: var(--naranja); }
.nav-acciones { display: flex; gap: .4rem; }
.solo-movil { display: none; }
.hamburguesa { display: none; margin-left: auto; background: none; border: 0; padding: .5rem; cursor: pointer; }
.hamburguesa span { display: block; width: 24px; height: 2px; background: var(--texto); margin: 5px 0; transition: transform .2s, opacity .2s; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 96px; background:
  radial-gradient(900px 500px at 85% 10%, rgb(242 107 29 / 14%), transparent 60%),
  radial-gradient(800px 500px at 0% 100%, rgb(29 49 112 / 10%), transparent 60%), var(--fondo); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; }
.insignia { display: inline-flex; align-items: center; gap: .45rem; background: var(--verde-suave); color: var(--verde); font-weight: 600; font-size: .85rem; padding: .35rem .8rem; border-radius: 999px; margin-bottom: 1.2rem; }
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 800; letter-spacing: -.02em; }
.acento { background: linear-gradient(90deg, var(--naranja), #e8432a 55%, #f59e0b); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-bajada { font-size: 1.12rem; color: var(--tenue); max-width: 36em; }
.hero-acciones { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.8rem 0 2.2rem; }
.hero-datos { display: flex; flex-wrap: wrap; gap: 2rem; list-style: none; padding: 0; margin: 0; }
.hero-datos strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--azul); }
.hero-datos span { font-size: .88rem; color: var(--tenue); }

.hero-visual { position: relative; padding: 2rem 1rem; }
.tarjeta-factura { background: #fff; border: 1px solid var(--borde); border-radius: var(--r-grande); box-shadow: var(--sombra-alta); padding: 1.6rem; max-width: 460px; margin-inline: auto; border-top: 5px solid var(--naranja); }
.tf-cabecera { display: flex; justify-content: space-between; align-items: start; gap: 1rem; margin-bottom: 1.2rem; }
.tf-cabecera small { display: block; color: var(--tenue); font-size: .8rem; }
.tf-cabecera strong { font-size: 1.15rem; }
.estado-aprobado { background: var(--verde-suave); color: var(--verde); font-weight: 700; font-size: .78rem; padding: .3rem .65rem; border-radius: 999px; white-space: nowrap; }
.tf-filas div { display: flex; justify-content: space-between; gap: 1rem; padding: .5rem 0; border-bottom: 1px dashed var(--borde); font-size: .9rem; }
.tf-filas span { color: var(--tenue); }
.tf-filas b { text-align: right; font-weight: 600; }
.tf-total { display: flex; justify-content: space-between; align-items: baseline; padding: 1rem 0; }
.tf-total span { color: var(--tenue); }
.tf-total strong { font-size: 1.7rem; color: var(--azul); }
.tf-pie { display: flex; gap: 1rem; align-items: center; background: var(--fondo-claro); border-radius: 12px; padding: .8rem; }
.tf-qr { font-size: 3rem; color: var(--azul-oscuro); line-height: 1; }
.tf-pie small { color: var(--tenue); font-size: .75rem; }
.tf-pie code { display: block; font-size: .72rem; color: var(--texto); word-break: break-all; }
.flotante { position: absolute; display: flex; gap: .7rem; align-items: center; background: #fff; border: 1px solid var(--borde); border-radius: 14px; padding: .7rem .95rem; box-shadow: var(--sombra-alta); font-size: .85rem; animation: flotar 5s ease-in-out infinite; }
.flotante i { font-size: 1.4rem; color: var(--naranja); }
.flotante small { display: block; color: var(--tenue); font-size: .76rem; }
.flotante-1 { top: 0; left: -.5rem; }
.flotante-2 { bottom: 0; right: -.5rem; animation-delay: -2.5s; }
.flotante-2 i { color: var(--verde); }
@keyframes flotar { 50% { transform: translateY(-8px); } }

/* Secciones */
.seccion { padding: 88px 0; }
.seccion-clara { background: var(--fondo-claro); }
.seccion-oscura { background: linear-gradient(160deg, var(--azul-oscuro), var(--azul)); color: #fff; }
.seccion-oscura p, .seccion-oscura .cabecera-seccion p { color: #cdd5ee; }
.cabecera-seccion { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.cabecera-seccion p { color: var(--tenue); font-size: 1.05rem; }
.etiqueta { display: inline-block; background: var(--naranja-suave); color: var(--naranja-oscuro); font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; padding: .3rem .75rem; border-radius: 999px; margin-bottom: .9rem; }
.etiqueta-clara { background: rgb(255 255 255 / 12%); color: #ffd3b8; }
.dos-columnas { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.dos-columnas > div > p { color: var(--tenue); }
.hero-grid > *, .dos-columnas > *, .precios-grid > * { min-width: 0; } /* sin esto el bloque de código ensancha la columna en el celular */
.lista-chequeo { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: .75rem; }
.lista-chequeo li { display: flex; gap: .7rem; align-items: start; }
.lista-chequeo i { color: var(--verde); background: var(--verde-suave); border-radius: 50%; width: 1.5rem; height: 1.5rem; display: inline-grid; place-items: center; font-size: .72rem; flex: none; margin-top: .1rem; }
#que-es .lista-chequeo { background: #fff; border: 1px solid var(--borde); border-radius: var(--r-grande); padding: 2rem; box-shadow: var(--sombra); }

.grilla-funciones { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.2rem; }
.funcion { background: #fff; border: 1px solid var(--borde); border-radius: var(--r); padding: 1.5rem; transition: transform .15s, box-shadow .15s, border-color .15s; }
.funcion:hover { transform: translateY(-3px); box-shadow: var(--sombra-alta); border-color: transparent; }
.funcion i { font-size: 1.3rem; color: var(--naranja); background: var(--naranja-suave); width: 2.8rem; height: 2.8rem; border-radius: 12px; display: grid; place-items: center; margin-bottom: 1rem; }
.funcion p { color: var(--tenue); font-size: .93rem; margin: 0; }

.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; counter-reset: paso; }
.pasos li { background: rgb(255 255 255 / 7%); border: 1px solid rgb(255 255 255 / 12%); border-radius: var(--r); padding: 1.5rem; }
.numero { display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border-radius: 50%; background: var(--naranja); color: #fff; font-weight: 800; margin-bottom: 1rem; }
.pasos p { font-size: .93rem; margin: 0; }

/* Precios */
.precios-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; max-width: 980px; margin-inline: auto; }
.plan { position: relative; background: #fff; border: 2px solid var(--naranja); border-radius: var(--r-grande); padding: 2.2rem 2rem 2rem; box-shadow: var(--sombra-alta); }
.plan-cinta { position: absolute; top: -14px; left: 2rem; background: var(--naranja); color: #fff; font-weight: 700; font-size: .8rem; padding: .3rem .9rem; border-radius: 999px; }
.plan-precio { font-size: 3rem; font-weight: 800; color: var(--azul); margin: .2rem 0 .4rem; line-height: 1.1; }
.moneda { font-size: 1.3rem; vertical-align: super; }
.periodo { font-size: 1.05rem; color: var(--tenue); font-weight: 500; }
.plan-incluye { font-size: 1.1rem; margin: 0; }
.plan-extra { color: var(--naranja-oscuro); font-weight: 600; margin-bottom: 1.5rem; }
.calculadora { background: var(--fondo-claro); border: 1px solid var(--borde); border-radius: var(--r-grande); padding: 2rem; }
.calculadora label { display: block; font-weight: 600; margin-bottom: .8rem; }
.calculadora input[type="range"] { width: 100%; accent-color: var(--naranja); }
.calc-cantidad { display: flex; align-items: center; gap: .5rem; margin: .8rem 0 1.2rem; color: var(--tenue); }
.calc-cantidad input { width: 7rem; font: inherit; font-weight: 700; color: var(--texto); padding: .45rem .6rem; border: 1px solid var(--borde); border-radius: 8px; }
.calc-detalle { margin: 0 0 .8rem; }
.calc-detalle div { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-bottom: 1px solid var(--borde); }
.calc-detalle dt { color: var(--tenue); }
.calc-detalle dd { margin: 0; font-weight: 600; }
.calc-total dt { color: var(--texto); font-weight: 700; }
.calc-total dd { font-size: 1.4rem; font-weight: 800; color: var(--azul); }

/* InventaPY */
.combo { background: #fff; border: 1px solid var(--borde); border-radius: var(--r-grande); padding: 2rem; box-shadow: var(--sombra-alta); text-align: center; }
.combo-titulo { font-weight: 700; font-size: 1.1rem; }
.combo-suma { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; margin: 1.2rem 0; }
.combo-suma div { background: var(--fondo-claro); border-radius: 12px; padding: .8rem 1.1rem; min-width: 9rem; }
.combo-suma small, .combo-total small { display: block; color: var(--tenue); font-size: .8rem; }
.combo-suma strong { font-size: 1.25rem; color: var(--azul); }
.combo-mas { font-size: 1.6rem; font-weight: 800; color: var(--naranja); }
.combo-total { border-top: 2px dashed var(--borde); padding-top: 1rem; margin-bottom: .6rem; }
.combo-total strong { font-size: 2.3rem; font-weight: 800; color: var(--naranja); }
.combo-total span { font-size: 1rem; color: var(--tenue); font-weight: 500; }

/* Código */
.codigo { background: #0f172a; color: #e2e8f0; border-radius: var(--r-grande); padding: 1.6rem; overflow-x: auto; font-size: .82rem; line-height: 1.65; box-shadow: var(--sombra-alta); margin: 0; }
.c-com { color: #94a3b8; }
.c-cla { color: #fdba74; }
.c-str { color: #86efac; }

/* FAQ */
.faq details { background: #fff; border: 1px solid var(--borde); border-radius: var(--r); margin-bottom: .8rem; }
.faq summary { cursor: pointer; list-style: none; padding: 1.1rem 3rem 1.1rem 1.3rem; font-weight: 600; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 1.3rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--naranja); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 1.3rem 1.2rem; margin: 0; color: var(--tenue); }

/* Contacto */
.contacto-datos { list-style: none; padding: 0; display: grid; gap: .8rem; }
.contacto-datos i { color: var(--naranja); width: 1.3rem; }
.contacto-datos a { text-decoration: none; font-weight: 600; }
.formulario { background: #fff; border: 1px solid var(--borde); border-radius: var(--r-grande); padding: 2rem; box-shadow: var(--sombra-alta); display: grid; gap: .35rem; }
.formulario label { font-weight: 600; font-size: .9rem; margin-top: .5rem; }
.formulario label span { color: var(--naranja-oscuro); }
.formulario input, .formulario select, .formulario textarea { font: inherit; padding: .7rem .85rem; border: 1px solid var(--borde); border-radius: 10px; background: #fff; color: var(--texto); }
.formulario input:focus, .formulario select:focus, .formulario textarea:focus { outline: none; border-color: var(--naranja); box-shadow: 0 0 0 3px rgb(242 107 29 / 18%); }
.formulario .btn { margin-top: 1rem; }
.error-form { color: #b42318; font-size: .9rem; min-height: 1.2em; margin: .3rem 0 0; }

/* Pie */
.pie { background: var(--azul-oscuro); color: #cdd5ee; padding: 64px 0 24px; font-size: .92rem; }
.pie-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.3fr 1.2fr; gap: 2rem; }
.pie h4 { color: #fff; font-size: .95rem; margin-bottom: 1rem; }
.pie ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.pie a { color: #cdd5ee; text-decoration: none; }
.pie a:hover { color: var(--naranja); }
.pie img { margin-bottom: 1rem; }
.pie-final { border-top: 1px solid rgb(255 255 255 / 10%); margin-top: 2.5rem; padding-top: 1.5rem; text-align: center; }
.pie-seo { font-size: .8rem; color: #8a96bd; margin: 0; }

.wa-flotante { position: fixed; right: 18px; bottom: 18px; z-index: 90; width: 58px; height: 58px; border-radius: 50%; background: var(--whatsapp); color: #fff; display: grid; place-items: center; font-size: 1.9rem; box-shadow: 0 10px 28px rgb(18 140 74 / 40%); text-decoration: none; transition: transform .15s; }
.wa-flotante:hover { transform: scale(1.07); }

/* Aparición al hacer scroll */
.revelar { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.revelar.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .flotante { animation: none; }
  .revelar { opacity: 1; transform: none; transition: none; }
  .btn:hover, .funcion:hover { transform: none; }
}

@media (max-width: 1024px) {
  .pasos { grid-template-columns: repeat(2, 1fr); }
  .pie-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--borde); box-shadow: var(--sombra); padding: .5rem 16px 1rem; }
  .nav-links.abierto { display: flex; }
  .nav-links a { display: block; padding: .8rem 0; border-bottom: 1px solid var(--fondo-claro); }
  .solo-movil { display: block; }
  .nav-acciones .btn-texto { display: none; }
  .nav-acciones { margin-left: auto; }
  .hamburguesa { display: block; margin-left: 0; }
  .hamburguesa[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .hamburguesa[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero-grid, .dos-columnas, .precios-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 64px; }
  .seccion { padding: 64px 0; }
  .dos-columnas { gap: 2.2rem; }
}

@media (max-width: 560px) {
  .nav-acciones .btn-primario { padding: .55rem .8rem; font-size: .85rem; }
  .logo img { height: 38px; }
  .pasos { grid-template-columns: 1fr; }
  .pie-grid { grid-template-columns: 1fr; }
  .hero-datos { gap: 1.3rem; }
  .flotante { position: static; margin-top: .8rem; animation: none; }
  .hero-visual { padding: 0; }
  .plan, .calculadora, .formulario, .combo { padding: 1.5rem; }
  .plan-precio { font-size: 2.4rem; }
}