/* --- VARIABLES Y RESET BÁSICO --- */
:root {
    --color-primary: #007BFF;
    --color-secondary: #0056b3;
    --color-accent: #28a745;
    --color-light: #f8f9fa;
    --color-dark: #343a40;
    --color-text: #495057;
    --font-family: 'Poppins', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-light);
    scroll-behavior: smooth; 
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--color-primary);
}

/* --- HEADER Y NAVEGACIÓN --- */
.header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--color-dark);
}

.logo-accent {
    color: var(--color-primary);
}

.nav a {
    margin-left: 25px;
    color: var(--color-text);
    font-weight: 600;
    transition: color 0.3s;
}

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

/* --- BOTONES CTA --- */
.btn-cta-small {
    background-color: var(--color-accent);
    color: white !important;
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn-cta-small:hover {
    background-color: #1e7e34;
}

.btn-cta-large {
    display: inline-block;
    background-color: var(--color-primary);
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1em;
    margin-top: 20px;
    transition: background-color 0.3s, transform 0.2s;
    text-transform: uppercase;
    border: none;
}

.btn-cta-large:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
}

/* --- SECCIÓN HERO --- */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 3em;
    margin-bottom: 10px;
    font-weight: 700;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
    font-weight: 600;
    font-size: 1.05em;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.3);
}

.hero-features span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* --- SECCIONES GENERALES --- */
.section {
    padding: 60px 0;
    text-align: center;
}

.section:nth-child(even) {
    background-color: #ffffff;
}

.section h3 {
    font-size: 2.2em;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1em;
    color: var(--color-text);
    margin-bottom: 40px;
}

/* --- REPRODUCTOR DEMOSTRACIÓN --- */
.player-container {
    max-width: 600px;
    margin: 0 auto 40px auto;
}

#demo-player-widget {
    background-color: var(--color-dark);
    color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

#demo-player-widget h4 {
    color: white;
    font-size: 1.5em;
    margin-bottom: 15px;
}

/* Estilo del reproductor nativo del navegador */
#demo-stream {
    width: 100%;
    filter: invert(0.9) hue-rotate(180deg); 
    height: 40px;
}

.btn-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-block;
    margin-top: 10px;
}


/* --- PLANES DE PRECIOS --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.plan-card {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: border-color 0.3s, transform 0.3s;
}

.plan-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.plan-card.featured {
    border-color: var(--color-primary);
    background-color: #f0f8ff; 
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2);
}

.plan-card h4 {
    color: var(--color-primary);
    font-size: 1.5em;
    margin-bottom: 10px;
}

.price {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 20px;
}

.periodo {
    font-size: 0.5em;
    font-weight: 400;
    color: var(--color-text);
}

.plan-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.plan-card ul li {
    padding: 10px 0;
    border-bottom: 1px dashed #e9ecef;
    color: var(--color-text);
}

.plan-card ul li:before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 700;
    margin-right: 10px;
}

.plan-card ul li.disabled:before {
    content: '✗';
    color: #dc3545; 
}

.btn-plan {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s;
    text-transform: uppercase;
}

.plan-card.featured .btn-plan {
    background-color: var(--color-accent);
}

.plan-card.featured .btn-plan:hover {
    background-color: var(--color-secondary);
}

.btn-plan:hover {
    background-color: var(--color-secondary);
}

/* --- SECCIÓN VENTAJAS/CARACTERÍSTICAS --- */
.feature-block {
    margin-bottom: 60px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e9ecef;
}

.feature-block h4 {
    font-size: 1.8em;
    color: var(--color-secondary);
    margin-bottom: 30px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.feature-item {
    padding: 20px;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.feature-item .icon {
    font-size: 2.5em;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.feature-item h4 {
    color: var(--color-dark);
    margin-bottom: 10px;
    font-size: 1.2em;
}

/* --- SECCIÓN HISTORIA --- */
.history {
    background-color: #ffffff;
}
.history h3 {
    margin-bottom: 30px;
}
.history .large-text {
    font-size: 1.4em;
    font-style: italic;
    max-width: 900px;
    margin: 0 auto 30px auto;
}


/* --- SECCIÓN DE CONTACTO (CENTRADOS) --- */
.contact {
    background-color: var(--color-light); 
    padding-bottom: 80px;
}

.contact-grid {
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    gap: 40px; 
    text-align: left;
    margin-top: 40px;
}

.contact-info {
    max-width: 600px; 
    width: 100%;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    border-left: 5px solid var(--color-primary); 
    text-align: center; 
}

.contact-info h4 {
    color: var(--color-dark);
    margin-bottom: 20px;
    font-size: 1.4em;
}

.contact-info p {
    margin-bottom: 10px;
    color: var(--color-text);
}

/* Estilos del Formulario */
.contact-form {
    max-width: 600px; 
    width: 100%;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 1em;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    outline: none;
}

.form-group textarea {
    resize: vertical;
}

/* --- BARRA DE REPRODUCTOR FLOTANTE --- */
.player-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-dark); 
    color: white;
    padding: 10px 20px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
    z-index: 1001;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease-out;
}

.player-bar.hidden {
    transform: translateY(100%);
}

.player-content {
    display: flex;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    justify-content: space-between;
}

#player-status {
    font-weight: 600;
}

#player-pause {
    background-color: var(--color-accent);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
}

#player-pause:hover {
    background-color: var(--color-secondary);
}


/* --- FOOTER --- */
.footer {
    background-color: var(--color-dark);
    color: white;
    padding: 30px 0;
    font-size: 0.9em;
}

.footer .container.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid #495057;
}

.footer h4 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.1em;
}

.footer p {
    margin-bottom: 5px;
}

.footer a {
    color: #adb5bd;
    margin-left: 0;
}

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

.footer .copyright {
    text-align: center;
    padding-top: 10px;
}

/* --- RESPONSIVE Y MENÚ HAMBURGUESA --- */

/* Estilos para el botón de hamburguesa (Oculto en escritorio) */
.menu-toggle {
    display: none; /* Oculto por defecto en escritorio */
    background: none;
    border: none;
    font-size: 1.8em;
    cursor: pointer;
    color: var(--color-dark);
    padding: 5px 10px;
    line-height: 1;
}

@media (max-width: 768px) {
    /* 1. MOSTRAR EL BOTÓN DE HAMBURGUESA */
    .menu-toggle {
        display: block; 
    }
    
    /* 2. OCULTAR Y ESTILIZAR EL MENÚ DE NAVEGACIÓN EN MÓVIL */
    .nav {
        display: none !important; /* CLAVE 1: OCULTAR */
        position: absolute; 
        flex-direction: column; 
        width: 100%;
        top: 65px; 
        left: 0;
        background-color: #ffffff; 
        box-shadow: 0 4px 5px rgba(0,0,0,0.1);
        padding: 10px 0;
        border-top: 1px solid #eee;
        /* Aseguramos que el menú NO sea invisible/transparente */
        visibility: hidden;
        opacity: 0;
    }

    /* 3. ESTILO DE LOS ENLACES COLAPSADOS */
    .nav a {
        margin: 5px 20px;
        padding: 10px 0;
        border-bottom: 1px solid #f8f8f8;
        display: block; 
        text-align: left;
        color: var(--color-dark) !important; /* CLAVE 2: COLOR VISIBLE */
        font-weight: 600;
        height: auto !important; /* CRÍTICO: Asegura que el enlace tenga altura */
    }
    
    /* 4. CLASE QUE JS USARÁ PARA MOSTRAR EL MENÚ (REGLA DEFINITIVA) */
    .nav.is-open {
        display: flex !important; 
        visibility: visible !important; /* Asegurar visibilidad */
        opacity: 1 !important; /* Asegurar que no sea transparente */
        height: auto !important; /* CRÍTICO: Asegura que el contenedor tenga altura */
        min-height: 200px !important; /* Asegura un tamaño mínimo visible */
        overflow: visible !important; /* Evita que el contenido se corte */
        z-index: 999 !important; /* Asegura que esté por encima de todo */
        position: absolute; /* Reafirma el posicionamiento */
    }
    
    /* Resto de ajustes responsive */
    .hero h2 {
        font-size: 2.5em;
    }
    
    .hero-features {
        gap: 15px;
        font-size: 0.9em;
    }
    
    .contact-grid {
        gap: 30px;
    }
    
    .pricing-grid {
        gap: 20px;
    }
    
    .plan-card.featured {
        transform: scale(1.0); 
    }

    .footer .container.footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .player-bar {
        font-size: 0.9em;
    }
    #demo-player-widget {
        padding: 20px;
    }
}