/* ========================================
   VARIABLES CSS
   ======================================== */
:root {
    /* Colores principales */
    --color-primario: #30d74a;
    --color-secundario: #ea2bab;
    --color-acento: #6257e3;
    --color-fondo: #0d0d10;
    --color-texto: #f4f6fc;
    
    /* Gradientes */
    --gradiente-principal: linear-gradient(135deg, #30d74a, #ea2bab);
    --gradiente-hover: linear-gradient(135deg, #28c03f, #d42599);
    --gradiente-fondo: linear-gradient(180deg, #0d0d10 0%, #1a1a1f 100%);
    
    /* Sombras */
    --sombra-pequena: 0 2px 8px rgba(0, 0, 0, 0.1);
    --sombra-media: 0 4px 16px rgba(0, 0, 0, 0.15);
    --sombra-grande: 0 8px 32px rgba(0, 0, 0, 0.2);
    --sombra-hover: 0 12px 48px rgba(48, 215, 74, 0.3);
    
    /* Espaciados */
    --espaciado-xs: 8px;
    --espaciado-sm: 16px;
    --espaciado-md: 24px;
    --espaciado-lg: 32px;
    --espaciado-xl: 48px;
    --espaciado-2xl: 64px;
    --espaciado-3xl: 96px;
    
    /* Bordes */
    --radio-border: 12px;
    --radio-border-grande: 20px;
    
    /* Transiciones */
    --transicion-rapida: all 0.2s ease;
    --transicion-normal: all 0.3s ease;
    --transicion-lenta: all 0.5s ease;
    
    /* Fuentes */
    --fuente-principal: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --peso-ligero: 300;
    --peso-normal: 400;
    --peso-medio: 500;
    --peso-semibold: 600;
    --peso-bold: 700;
    --peso-extrabold: 800;
    
    /* Tamaños de fuente */
    --texto-xs: 0.75rem;
    --texto-sm: 0.875rem;
    --texto-base: 1rem;
    --texto-lg: 1.125rem;
    --texto-xl: 1.25rem;
    --texto-2xl: 1.5rem;
    --texto-3xl: 2rem;
    --texto-4xl: 2.5rem;
    --texto-5xl: 3rem;
}

/* ========================================
   RESET Y BASE
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--fuente-principal);
    background: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transicion-normal);
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    transition: var(--transicion-normal);
}

ul {
    list-style: none;
}

/* ========================================
   UTILIDADES
   ======================================== */
.contenedor {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--espaciado-md);
}

.texto-gradiente {
    background: var(--gradiente-principal);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Sección genérica */
section {
    padding: var(--espaciado-3xl) 0;
    position: relative;
}

.seccion__encabezado {
    text-align: center;
    margin-bottom: var(--espaciado-2xl);
}

.seccion__titulo {
    font-size: var(--texto-4xl);
    font-weight: var(--peso-extrabold);
    margin-bottom: var(--espaciado-md);
    line-height: 1.2;
}

.seccion__subtitulo {
    font-size: var(--texto-lg);
    color: rgba(244, 246, 252, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   BOTONES
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--espaciado-xs);
    padding: 15px 30px;
    border-radius: var(--radio-border);
    font-weight: var(--peso-semibold);
    font-size: var(--texto-base);
    transition: var(--transicion-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn--primario {
    background: var(--gradiente-principal);
    color: white;
    box-shadow: var(--sombra-media);
}

.btn--primario:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-hover);
}

.btn--primario::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.btn--primario:hover::before {
    left: 100%;
}

.btn--outline {
    background: transparent;
    border: 2px solid var(--color-primario);
    color: var(--color-primario);
}

.btn--outline:hover {
    background: var(--color-primario);
    color: var(--color-fondo);
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.btn--blanco {
    background: white;
    color: var(--color-fondo);
    box-shadow: var(--sombra-media);
}

.btn--blanco:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-grande);
}

.btn--grande {
    padding: 18px 40px;
    font-size: var(--texto-lg);
}

.btn:disabled {
    background: #444;
    color: #888;
    cursor: not-allowed;
    opacity: 0.6;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* ========================================
   HEADER / NAVBAR
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(13, 13, 16, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(244, 246, 252, 0.1);
    transition: var(--transicion-normal);
}

.header.header--scrolled {
    box-shadow: var(--sombra-media);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--espaciado-md) var(--espaciado-md);
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--espaciado-xs);
    font-size: var(--texto-xl);
    font-weight: var(--peso-bold);
}

.navbar__logo-img {
    width: 40px;
    height: 40px;
}

.navbar__logo-text strong {
    color: var(--color-primario);
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: var(--espaciado-lg);
}

.navbar__link {
    font-weight: var(--peso-medio);
    position: relative;
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradiente-principal);
    transition: width 0.3s ease;
}

.navbar__link:hover::after {
    width: 100%;
}

.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 25px;
}

.navbar__toggle-icon {
    width: 100%;
    height: 3px;
    background: var(--color-texto);
    border-radius: 2px;
    transition: var(--transicion-normal);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    padding-top: 140px;
    padding-bottom: var(--espaciado-3xl);
    position: relative;
    overflow: hidden;
}

.hero__contenido {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 900px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--espaciado-xs);
    padding: 10px 20px;
    background: rgba(48, 215, 74, 0.1);
    border: 1px solid rgba(48, 215, 74, 0.3);
    border-radius: 50px;
    color: var(--color-primario);
    font-size: var(--texto-sm);
    font-weight: var(--peso-medio);
    margin-bottom: var(--espaciado-md);
}

.hero__titulo {
    font-size: var(--texto-5xl);
    font-weight: var(--peso-extrabold);
    line-height: 1.1;
    margin-bottom: var(--espaciado-md);
}

.hero__subtitulo {
    font-size: var(--texto-xl);
    color: rgba(244, 246, 252, 0.8);
    line-height: 1.6;
    margin-bottom: var(--espaciado-lg);
}

.hero__cta {
    display: flex;
    gap: var(--espaciado-md);
    margin-bottom: var(--espaciado-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__confianza {
    display: flex;
    gap: var(--espaciado-lg);
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.hero__confianza-item {
    display: flex;
    align-items: center;
    gap: var(--espaciado-xs);
    color: rgba(244, 246, 252, 0.7);
    font-size: var(--texto-sm);
}

.hero__confianza-item i {
    color: var(--color-primario);
}



.hero__ondas {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    opacity: 0.5;
}

/* ========================================
   CARACTERÍSTICAS
   ======================================== */
.caracteristicas {
    background: linear-gradient(180deg, var(--color-fondo) 0%, #1a1a1f 100%);
}

.caracteristicas__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--espaciado-lg);
}

.tarjeta-caracteristica {
    background: rgba(244, 246, 252, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(244, 246, 252, 0.1);
    border-radius: var(--radio-border-grande);
    padding: var(--espaciado-lg);
    transition: var(--transicion-normal);
    opacity: 0;
    transform: translateY(30px);
}

.tarjeta-caracteristica.animado {
    opacity: 1;
    transform: translateY(0);
}

.tarjeta-caracteristica:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-grande);
    border-color: rgba(48, 215, 74, 0.3);
}

.tarjeta-caracteristica__icono {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-icono), var(--color-secundario));
    border-radius: var(--radio-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: var(--espaciado-md);
}

.tarjeta-caracteristica__titulo {
    font-size: var(--texto-xl);
    font-weight: var(--peso-bold);
    margin-bottom: var(--espaciado-sm);
}

.tarjeta-caracteristica__descripcion {
    color: rgba(244, 246, 252, 0.7);
    margin-bottom: var(--espaciado-md);
    line-height: 1.6;
}

.tarjeta-caracteristica__lista {
    display: flex;
    flex-direction: column;
    gap: var(--espaciado-xs);
}

.tarjeta-caracteristica__lista li {
    display: flex;
    align-items: center;
    gap: var(--espaciado-xs);
    color: rgba(244, 246, 252, 0.8);
    font-size: var(--texto-sm);
}

.tarjeta-caracteristica__lista i {
    color: var(--color-primario);
}

/* ========================================
   CÓMO FUNCIONA
   ======================================== */
.como-funciona {
    background: var(--color-fondo);
}

.pasos {
    display: flex;
    flex-direction: column;
    gap: var(--espaciado-xl);
    max-width: 900px;
    margin: 0 auto;
}

.paso {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--espaciado-lg);
    position: relative;
    opacity: 0;
    transform: translateX(-50px);
}

.paso.animado {
    opacity: 1;
    transform: translateX(0);
}

.paso__numero {
    font-size: var(--texto-4xl);
    font-weight: var(--peso-extrabold);
    background: var(--gradiente-principal);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.paso__contenido {
    background: rgba(244, 246, 252, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(244, 246, 252, 0.1);
    border-radius: var(--radio-border-grande);
    padding: var(--espaciado-lg);
    transition: var(--transicion-normal);
}

.paso__contenido:hover {
    border-color: rgba(48, 215, 74, 0.3);
    transform: translateX(10px);
}

.paso__icono {
    width: 60px;
    height: 60px;
    background: var(--gradiente-principal);
    border-radius: var(--radio-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: var(--espaciado-md);
}

.paso__titulo {
    font-size: var(--texto-2xl);
    font-weight: var(--peso-bold);
    margin-bottom: var(--espaciado-sm);
}

.paso__descripcion {
    color: rgba(244, 246, 252, 0.7);
    line-height: 1.6;
}

.paso__linea {
    position: absolute;
    left: 40px;
    top: 100px;
    width: 2px;
    height: calc(100% + var(--espaciado-xl));
    background: linear-gradient(180deg, var(--color-primario), transparent);
}

.paso:last-child .paso__linea {
    display: none;
}

/* ========================================
   SCREENSHOTS / CARRUSEL
   ======================================== */
.screenshots {
    background: linear-gradient(180deg, var(--color-fondo) 0%, #1a1a1f 100%);
}

.carrusel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.carrusel__contenedor {
    overflow: hidden;
    border-radius: var(--radio-border-grande);
}

.carrusel__track {
    display: flex;
    transition: transform 0.5s ease;
}

.carrusel__slide {
    min-width: 100%;
    position: relative;
}

.carrusel__slide img {
    width: 100%;
    border-radius: var(--radio-border-grande);
    box-shadow: var(--sombra-grande);
}

.carrusel__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(13, 13, 16, 0.95), transparent);
    padding: var(--espaciado-lg);
    border-radius: 0 0 var(--radio-border-grande) var(--radio-border-grande);
}

.carrusel__caption h4 {
    font-size: var(--texto-xl);
    font-weight: var(--peso-bold);
    margin-bottom: var(--espaciado-xs);
}

.carrusel__caption p {
    color: rgba(244, 246, 252, 0.7);
}

.carrusel__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(244, 246, 252, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(244, 246, 252, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-texto);
    font-size: var(--texto-xl);
    transition: var(--transicion-normal);
    z-index: 10;
}

.carrusel__btn:hover {
    background: var(--gradiente-principal);
    border-color: transparent;
    transform: translateY(-50%) scale(1.1);
}

.carrusel__btn--prev {
    left: -25px;
}

.carrusel__btn--next {
    right: -25px;
}

.carrusel__indicadores {
    display: flex;
    justify-content: center;
    gap: var(--espaciado-xs);
    margin-top: var(--espaciado-md);
}

.carrusel__indicador {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(244, 246, 252, 0.3);
    transition: var(--transicion-normal);
    cursor: pointer;
}

.carrusel__indicador.activo {
    background: var(--gradiente-principal);
    width: 30px;
    border-radius: 5px;
}

/* ========================================
   TESTIMONIOS
   ======================================== */
.testimonios {
    background: var(--color-fondo);
}

.testimonios__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--espaciado-lg);
}

.tarjeta-testimonio {
    background: rgba(244, 246, 252, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(244, 246, 252, 0.1);
    border-radius: var(--radio-border-grande);
    padding: var(--espaciado-lg);
    transition: var(--transicion-normal);
    opacity: 0;
    transform: translateY(30px);
}

.tarjeta-testimonio.animado {
    opacity: 1;
    transform: translateY(0);
}

.tarjeta-testimonio:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-grande);
    border-color: rgba(234, 43, 171, 0.3);
}

.tarjeta-testimonio__estrellas {
    display: flex;
    gap: 5px;
    color: var(--color-primario);
    margin-bottom: var(--espaciado-md);
}

.tarjeta-testimonio__texto {
    color: rgba(244, 246, 252, 0.9);
    line-height: 1.7;
    margin-bottom: var(--espaciado-md);
    font-style: italic;
}

.tarjeta-testimonio__autor {
    display: flex;
    align-items: center;
    gap: var(--espaciado-md);
}

.tarjeta-testimonio__avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--color-primario);
}

.tarjeta-testimonio__nombre {
    font-weight: var(--peso-bold);
    margin-bottom: 2px;
}

.tarjeta-testimonio__cargo {
    font-size: var(--texto-sm);
    color: rgba(244, 246, 252, 0.6);
}

/* ========================================
   PRECIOS
   ======================================== */
.precios {
    background: linear-gradient(180deg, var(--color-fondo) 0%, #1a1a1f 50%, var(--color-fondo) 100%);
    position: relative;
}

.precios__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--espaciado-lg);
    margin-bottom: var(--espaciado-xl);
}

.tarjeta-precio {
    background: rgba(244, 246, 252, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(244, 246, 252, 0.1);
    border-radius: var(--radio-border-grande);
    padding: var(--espaciado-lg);
    transition: var(--transicion-normal);
    opacity: 0;
    transform: translateY(30px);
    display: flex;
    flex-direction: column;
    position: relative;
}

.tarjeta-precio.animado {
    opacity: 1;
    transform: translateY(0);
}

.tarjeta-precio:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-grande);
    border-color: rgba(48, 215, 74, 0.3);
}

.tarjeta-precio--destacada {
    background: linear-gradient(135deg, rgba(48, 215, 74, 0.1), rgba(234, 43, 171, 0.1));
    border: 2px solid var(--color-primario);
    transform: scale(1.05);
}

.tarjeta-precio--destacada.animado {
    transform: scale(1.05) translateY(0);
}

.tarjeta-precio--destacada:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 20px 60px rgba(48, 215, 74, 0.3);
}

.tarjeta-precio__badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradiente-principal);
    color: var(--color-fondo);
    padding: var(--espaciado-xs) var(--espaciado-md);
    border-radius: 20px;
    font-size: var(--texto-sm);
    font-weight: var(--peso-bold);
    white-space: nowrap;
}

.tarjeta-precio__encabezado {
    text-align: center;
    margin-bottom: var(--espaciado-lg);
    padding-bottom: var(--espaciado-lg);
    border-bottom: 1px solid rgba(244, 246, 252, 0.1);
}

.tarjeta-precio__titulo {
    font-size: var(--texto-xl);
    font-weight: var(--peso-bold);
    margin-bottom: var(--espaciado-md);
    color: var(--color-primario);
}

.tarjeta-precio__precio {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: var(--espaciado-sm);
}

.tarjeta-precio__simbolo {
    font-size: var(--texto-2xl);
    font-weight: var(--peso-bold);
    margin-top: 8px;
    margin-right: 5px;
}

.tarjeta-precio__cantidad {
    font-size: var(--texto-5xl);
    font-weight: var(--peso-extrabold);
    line-height: 1;
    background: var(--gradiente-principal);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tarjeta-precio__periodo {
    font-size: var(--texto-base);
    color: rgba(244, 246, 252, 0.6);
    margin-top: 8px;
    margin-left: 5px;
}

.tarjeta-precio__descripcion {
    font-size: var(--texto-sm);
    color: rgba(244, 246, 252, 0.7);
}

.tarjeta-precio__caracteristicas {
    list-style: none;
    margin-bottom: var(--espaciado-lg);
    flex-grow: 1;
}

.tarjeta-precio__caracteristicas li {
    padding: var(--espaciado-sm) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--espaciado-sm);
    color: rgba(244, 246, 252, 0.8);
}

.tarjeta-precio__caracteristicas i {
    color: var(--color-primario);
    margin-top: 4px;
    flex-shrink: 0;
}

.precios__garantia {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--espaciado-md);
    background: rgba(48, 215, 74, 0.05);
    border: 1px solid rgba(48, 215, 74, 0.2);
    border-radius: var(--radio-border);
    padding: var(--espaciado-md) var(--espaciado-lg);
    max-width: 600px;
    margin: 0 auto;
}

.precios__garantia i {
    font-size: var(--texto-2xl);
    color: var(--color-primario);
}

.precios__garantia p {
    margin: 0;
    color: rgba(244, 246, 252, 0.9);
}

/* ========================================
   FAQ
   ======================================== */
.faq {
    background: linear-gradient(180deg, var(--color-fondo) 0%, #1a1a1f 100%);
}

.faq__contenedor {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    background: rgba(244, 246, 252, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(244, 246, 252, 0.1);
    border-radius: var(--radio-border);
    margin-bottom: var(--espaciado-md);
    overflow: hidden;
    transition: var(--transicion-normal);
    opacity: 0;
    transform: translateY(20px);
}

.faq__item.animado {
    opacity: 1;
    transform: translateY(0);
}

.faq__item:hover {
    border-color: rgba(48, 215, 74, 0.3);
}

.faq__pregunta {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--espaciado-md);
    text-align: left;
    font-size: var(--texto-lg);
    font-weight: var(--peso-semibold);
    color: var(--color-texto);
    cursor: pointer;
}

.faq__icono {
    font-size: var(--texto-xl);
    color: var(--color-primario);
    transition: transform 0.3s ease;
}

.faq__item.activo .faq__icono {
    transform: rotate(180deg);
}

.faq__respuesta {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq__item.activo .faq__respuesta {
    max-height: 500px;
    padding: 0 var(--espaciado-md) var(--espaciado-md);
}

.faq__respuesta p {
    color: rgba(244, 246, 252, 0.7);
    line-height: 1.7;
}

/* ========================================
   CTA FINAL
   ======================================== */
.cta-final {
    background: var(--gradiente-principal);
    position: relative;
    overflow: hidden;
}

.cta-final__contenido {
    text-align: center;
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: scale(0.9);
}

.cta-final__contenido.animado {
    opacity: 1;
    transform: scale(1);
}

.cta-final__titulo {
    font-size: var(--texto-4xl);
    font-weight: var(--peso-extrabold);
    color: white;
    margin-bottom: var(--espaciado-md);
}

.cta-final__subtitulo {
    font-size: var(--texto-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--espaciado-lg);
}

.cta-final__info {
    margin-top: var(--espaciado-md);
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    gap: var(--espaciado-md);
    flex-wrap: wrap;
}

.cta-final__info i {
    color: white;
}

.cta-final__decoracion {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    filter: blur(80px);
    z-index: 1;
}

.cta-final__decoracion--1 {
    top: -200px;
    left: -200px;
}

.cta-final__decoracion--2 {
    bottom: -200px;
    right: -200px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-fondo);
    border-top: 1px solid rgba(244, 246, 252, 0.1);
    padding: var(--espaciado-2xl) 0 var(--espaciado-md);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--espaciado-xl);
    margin-bottom: var(--espaciado-xl);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--espaciado-xs);
    font-size: var(--texto-xl);
    font-weight: var(--peso-bold);
    margin-bottom: var(--espaciado-md);
}

.footer__logo-img {
    width: 40px;
    height: 40px;
}

.footer__logo-text strong {
    color: var(--color-primario);
}

.footer__descripcion {
    color: rgba(244, 246, 252, 0.7);
    line-height: 1.6;
    margin-bottom: var(--espaciado-md);
}

.footer__redes-sociales {
    display: flex;
    gap: var(--espaciado-sm);
}

.footer__red-social {
    width: 40px;
    height: 40px;
    background: rgba(244, 246, 252, 0.05);
    border: 1px solid rgba(244, 246, 252, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--texto-lg);
    transition: var(--transicion-normal);
}

.footer__red-social:hover {
    background: var(--gradiente-principal);
    border-color: transparent;
    transform: translateY(-3px);
}

.footer__titulo {
    font-size: var(--texto-lg);
    font-weight: var(--peso-bold);
    margin-bottom: var(--espaciado-md);
}

.footer__lista {
    display: flex;
    flex-direction: column;
    gap: var(--espaciado-sm);
}

.footer__link {
    color: rgba(244, 246, 252, 0.7);
    transition: var(--transicion-normal);
}

.footer__link:hover {
    color: var(--color-primario);
    padding-left: 5px;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--espaciado-lg);
    border-top: 1px solid rgba(244, 246, 252, 0.1);
}

.footer__copyright {
    color: rgba(244, 246, 252, 0.5);
    font-size: var(--texto-sm);
}

.footer__contacto {
    display: flex;
    gap: var(--espaciado-md);
}

.footer__contacto-link {
    display: flex;
    align-items: center;
    gap: var(--espaciado-xs);
    color: rgba(244, 246, 252, 0.7);
    font-size: var(--texto-sm);
    transition: var(--transicion-normal);
}

.footer__contacto-link:hover {
    color: var(--color-primario);
}

/* ========================================
   MODAL DE VIDEO
   ======================================== */
.modal-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transicion-normal);
}

.modal-video.activo {
    opacity: 1;
    visibility: visible;
}

.modal-video__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 13, 16, 0.95);
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.modal-video__contenido {
    position: relative;
    width: 90%;
    max-width: 1200px;
    z-index: 10;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-video.activo .modal-video__contenido {
    transform: scale(1);
}

.modal-video__cerrar {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    background: rgba(244, 246, 252, 0.1);
    border: 1px solid rgba(244, 246, 252, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-texto);
    font-size: var(--texto-xl);
    cursor: pointer;
    transition: var(--transicion-normal);
}

.modal-video__cerrar:hover {
    background: var(--color-secundario);
    border-color: var(--color-secundario);
    transform: rotate(90deg);
}

.modal-video__wrapper {
    position: relative;
    padding-bottom: 56.25%; /* Aspect ratio 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: var(--radio-border-grande);
    box-shadow: var(--sombra-grande);
    background: #000;
}

.modal-video__wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radio-border-grande);
}

/* ========================================
   BOTÓN FLOTANTE WHATSAPP
   ======================================== */
.boton-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    box-shadow: var(--sombra-grande);
    z-index: 999;
    transition: var(--transicion-normal);
    animation: pulse-whatsapp 2s infinite;
}

.boton-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 48px rgba(37, 211, 102, 0.5);
}

/* ========================================
   BOTÓN SCROLL TO TOP
   ======================================== */
.boton-scroll-top {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 50px;
    height: 50px;
    background: var(--gradiente-principal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--texto-xl);
    box-shadow: var(--sombra-media);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transicion-normal);
}

.boton-scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.boton-scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-hover);
}

/* ========================================
   ANIMACIONES
   ======================================== */
@keyframes flotar {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.2;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.1);
    }
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 8px 32px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6);
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    :root {
        --texto-4xl: 2rem;
        --texto-5xl: 2.5rem;
    }
    

    
    .caracteristicas__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Precios responsive para tablets */
    .precios__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--espaciado-lg);
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --texto-3xl: 1.5rem;
        --texto-4xl: 1.75rem;
        --texto-5xl: 2rem;
        --espaciado-xl: 32px;
        --espaciado-2xl: 48px;
        --espaciado-3xl: 64px;
    }
    
    /* Navbar responsive */
    .navbar__menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(13, 13, 16, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--espaciado-lg);
        gap: var(--espaciado-md);
        transition: left 0.3s ease;
    }
    
    .navbar__menu.activo {
        left: 0;
    }
    
    .navbar__toggle {
        display: flex;
    }
    
    .navbar__toggle.activo .navbar__toggle-icon:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .navbar__toggle.activo .navbar__toggle-icon:nth-child(2) {
        opacity: 0;
    }
    
    .navbar__toggle.activo .navbar__toggle-icon:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* Hero responsive */
    .hero {
        padding-top: 100px;
    }
    
    .hero__titulo {
        font-size: var(--texto-4xl);
    }
    
    .hero__subtitulo {
        font-size: var(--texto-base);
    }
    
    .hero__cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero__cta .btn {
        width: 100%;
    }
    
    .hero__confianza {
        flex-direction: column;
        gap: var(--espaciado-sm);
    }
    
    /* Modal video responsive */
    .modal-video__contenido {
        width: 95%;
    }
    
    .modal-video__cerrar {
        top: -40px;
        right: 0;
        width: 35px;
        height: 35px;
        font-size: var(--texto-lg);
    }
    
    /* Características responsive */
    .caracteristicas__grid {
        grid-template-columns: 1fr;
    }
    
    /* Pasos responsive */
    .pasos {
        gap: var(--espaciado-lg);
    }
    
    .paso {
        grid-template-columns: 60px 1fr;
        gap: var(--espaciado-md);
    }
    
    .paso__numero {
        font-size: var(--texto-3xl);
    }
    
    .paso__linea {
        left: 30px;
    }
    
    /* Carrusel responsive */
    .carrusel__btn {
        width: 40px;
        height: 40px;
        font-size: var(--texto-lg);
    }
    
    .carrusel__btn--prev {
        left: 10px;
    }
    
    .carrusel__btn--next {
        right: 10px;
    }
    
    /* Testimonios responsive */
    .testimonios__grid {
        grid-template-columns: 1fr;
    }
    
    /* Precios responsive */
    .precios__grid {
        grid-template-columns: 1fr;
    }
    
    .tarjeta-precio--destacada {
        transform: scale(1);
    }
    
    .tarjeta-precio--destacada.animado {
        transform: scale(1) translateY(0);
    }
    
    .tarjeta-precio--destacada:hover {
        transform: scale(1) translateY(-10px);
    }
    
    /* Footer responsive */
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--espaciado-md);
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: var(--espaciado-md);
        text-align: center;
    }
    
    .footer__contacto {
        flex-direction: column;
        gap: var(--espaciado-sm);
    }
    
    /* Botones flotantes responsive */
    .boton-whatsapp {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 28px;
    }
    
    .boton-scroll-top {
        bottom: 80px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    /* Botones responsive */
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn--grande {
        padding: 15px 30px;
        font-size: var(--texto-base);
    }
}

/* Mobile pequeño (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        --texto-4xl: 1.5rem;
        --texto-5xl: 1.75rem;
    }
    
    .seccion__titulo {
        font-size: var(--texto-3xl);
    }
    
    .hero__titulo {
        font-size: var(--texto-3xl);
    }
    
    .cta-final__titulo {
        font-size: var(--texto-3xl);
    }
    
    .cta-final__info {
        flex-direction: column;
        gap: var(--espaciado-xs);
    }
}

/* ========================================
   MODO CLARO (Opcional)
   ======================================== */
body.modo-claro {
    --color-fondo: #ffffff;
    --color-texto: #0d0d10;
}

body.modo-claro .header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: rgba(13, 13, 16, 0.1);
}

body.modo-claro .tarjeta-caracteristica,
body.modo-claro .paso__contenido,
body.modo-claro .tarjeta-testimonio,
body.modo-claro .faq__item {
    background: rgba(13, 13, 16, 0.03);
    border-color: rgba(13, 13, 16, 0.1);
}

/* ========================================
   ESTADOS DE CARGA
   ======================================== */
.skeleton {
    background: linear-gradient(90deg, 
        rgba(244, 246, 252, 0.05) 0%, 
        rgba(244, 246, 252, 0.1) 50%, 
        rgba(244, 246, 252, 0.05) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ========================================
   ACCESIBILIDAD
   ======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible para teclado */
*:focus-visible {
    outline: 2px solid var(--color-primario);
    outline-offset: 2px;
}

/* Reducir movimiento para usuarios con preferencias de accesibilidad */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}