/* Variables globales */
:root {
    /* Colores */
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-cyan: #4cc9f0;
    --accent-purple: #7209b7;
    --text-dark: #2b2d42;
    --text-light: #8d99ae;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #212529;
    --bg-gradient: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Bordes */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-white);
    background-color: var(--bg-dark);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Contenedor */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Encabezado */
.header {
    background-color: var(--bg-dark);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    flex-wrap: nowrap;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
}

/* Navegación */
.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-list a {
    font-weight: 500;
    color: var(--text-white);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-list a:hover {
    color: var(--primary-color);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--bg-gradient);
    transition: width 0.3s ease;
}

.nav-list a:hover::after {
    width: 100%;
}

/* Botones CTA */
.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--bg-gradient);
    color: var(--text-white);
    border: none;
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
}

.btn-secondary:hover {
    background-color: var(--accent-cyan);
    color: var(--text-white);
    border-color: var(--accent-cyan);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-dark);
    border: 1px solid var(--text-light);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Iconos sociales en el header */
.social-icons-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-md);
}

.social-icon-header {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.social-icon-header:hover {
    transform: translateY(-3px);
}

/* Iconos sociales en el footer */
.social-icons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    transition: transform 0.3s ease;
}

.social-icon:hover {
    transform: translateY(-3px);
}

/* Sección Hero */
.hero-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
    position: relative;
}

.hero-section h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-white);
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-animation {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    max-width: 600px;
    z-index: 1;
}

/* Sección de valor */
.value-section {
    background: var(--bg-gradient);
    color: var(--text-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.value-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.value-content p {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Sección Cómo funciona */
.how-it-works-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-dark);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--bg-gradient);
    border-radius: var(--border-radius-sm);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.step {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-image {
    width: 120px;
    height: 120px;
    margin-bottom: var(--spacing-md);
}

.step h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

/* Sección de beneficios */
.benefits-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-dark);
}

.benefits-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    background-color: rgba(255, 255, 255, 0.06);
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

/* Sección Demo */
.demo-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-dark);
    text-align: center;
}

.video-container {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
}

.video-placeholder {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    cursor: pointer;
}

.play-button {
    display: none;
}

.video-placeholder:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
}

/* Sección de testimonios */
.testimonials-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-dark);
}

.testimonials-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.06);
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: var(--spacing-sm);
}

.testimonial-info h4 {
    font-weight: 600;
}

.testimonial-position {
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-light);
}

/* Sección de precios */
.pricing-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-dark);
    text-align: center;
}

.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.pricing-card {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card.featured {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--accent-cyan);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-header {
    padding: var(--spacing-lg);
    background-color: transparent;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
}

.pricing-features {
    padding: var(--spacing-lg);
}

.pricing-features ul {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: 1.5rem;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

.pricing-cta {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

/* Botones en planes (Free y Business) */
.pricing-cta .btn-outline {
    background-color: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
}

.pricing-cta .btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--text-white);
    background-color: var(--accent-cyan);
}

/* Sección FAQ */
.faq-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-dark);
}

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

.faq-item {
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.faq-question {
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background-color: transparent;
    color: var(--text-white);
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-white);
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-light);
}

.faq-item.active .faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    max-height: 1000px;
}

/* Sección de registro */
.registration-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-gradient);
    color: var(--text-white);
    text-align: center;
}

.registration-form {
    display: flex;
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
    gap: var(--spacing-sm);
}

.registration-form input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    margin-bottom: var(--spacing-lg);
}

.footer-logo-img {
    height: 40px;
    margin-bottom: var(--spacing-xs);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.footer-column h4 {
    margin-bottom: var(--spacing-md);
    color: var(--accent-cyan);
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--text-light);
}

.footer-column a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Animaciones */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(76, 201, 240, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(76, 201, 240, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(76, 201, 240, 0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero-animation {
        position: relative;
        width: 100%;
        max-width: 400px;
        margin: var(--spacing-lg) auto 0;
        transform: none;
        top: auto;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--bg-dark);
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
        z-index: 1000;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .nav-list a {
        display: block;
        padding: var(--spacing-sm) 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 20px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }
    
    .mobile-menu-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--text-white);
        transition: all 0.3s ease;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .cta-buttons {
        margin-left: auto;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .registration-form {
        flex-direction: column;
    }
    
    .cta-buttons {
        gap: var(--spacing-sm);
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .btn-lg {
        padding: 0.8rem 1.6rem;
        font-size: 1rem;
    }
}

/* Botón volver arriba */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--accent-purple);
    transform: translateY(-5px);
}
.hero-section .btn-outline {
    background-color: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
}

.hero-section .btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--text-white);
    background-color: var(--accent-cyan);
}