:root {
    --primary-color: #6a00ff; /* Púrpura vibrante */
    --secondary-color: #00ff7f; /* Verde neón */
    --dark-bg: #1a1a2e; /* Fondo oscuro */
    --light-text: #e0e0e0; /* Texto claro */
    --card-bg: #2e2e4a; /* Fondo de tarjeta */
    --form-bg: #3c3c5c; /* Fondo para el formulario */
    --input-bg: #4a4a6e;
    --input-border: #6a6a8e;
}

body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    scroll-behavior: smooth;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--secondary-color);
    text-align: center;
}

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

/* --- Hero Section --- */
.hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #3a0050 100%);
    color: var(--light-text);
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(0, 255, 127, 0.1); /* Brillo sutil */
    border-radius: 50%;
    transform: rotate(45deg);
    z-index: 0;
    animation: pulse 5s infinite ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(0.8) rotate(45deg); opacity: 0.1; }
    50% { transform: scale(1.2) rotate(45deg); opacity: 0.3; }
    100% { transform: scale(0.8) rotate(45deg); opacity: 0.1; }
}


.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--secondary-color);
    text-shadow: 0 0 15px var(--secondary-color);
}

.hero p {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(106, 0, 255, 0.4);
}

.btn:hover {
    background-color: #8c2bff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(106, 0, 255, 0.6);
}

/* --- Advantages Section --- */
.advantages {
    padding: 60px 20px;
    text-align: center;
}

.advantages h2 {
    font-size: 2.8em;
    margin-bottom: 50px;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.advantage-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5);
}

.advantage-card h3 {
    color: var(--primary-color);
    font-size: 1.8em;
    margin-top: 0;
    margin-bottom: 15px;
    text-align: left;
}

.advantage-card p {
    font-size: 1.1em;
    color: var(--light-text);
}

/* --- Call to Action Section --- */
.cta {
    background: linear-gradient(45deg, var(--primary-color) 0%, #4a0080 100%);
    padding: 80px 20px;
    text-align: center;
    color: var(--light-text);
    margin-bottom: 80px; /* Espacio para el menú fijo en móvil */
}

.cta h2 {
    font-size: 3em;
    margin-bottom: 30px;
    color: var(--light-text);
    text-shadow: 0 0 10px rgba(0, 255, 127, 0.5);
}

.cta p {
    font-size: 1.4em;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Contact Form Section --- */
.contact-form-section {
    background-color: var(--dark-bg);
    padding: 60px 20px;
    text-align: center;
    margin-bottom: 80px; /* Para dejar espacio al nav móvil */
}

.contact-form-section h2 {
    font-size: 2.8em;
    margin-bottom: 20px;
}

.contact-form-section .section-description {
    font-size: 1.2em;
    color: #bbb;
    max-width: 700px;
    margin: 0 auto 40px auto;
}

.contact-form {
    background-color: var(--form-bg);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 1.1em;
    color: var(--secondary-color);
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: calc(100% - 20px); /* Ajustar padding */
    padding: 12px 10px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--light-text);
    font-size: 1em;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(106, 0, 255, 0.5);
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    padding: 15px 0;
    font-size: 1.2em;
    text-align: center;
    cursor: pointer;
}

/* --- Footer (Desktop) --- */
.footer-desktop {
    background-color: #111;
    color: #bbb;
    text-align: center;
    padding: 30px 20px;
    font-size: 0.9em;
    display: block; /* Visible por defecto */
}

/* --- Mobile Navigation (Instagram-like) --- */
.mobile-nav {
    display: none; /* Oculto por defecto en escritorio */
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--card-bg);
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    padding: 10px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 100%;
}

.mobile-nav li {
    flex: 1;
    text-align: center;
}

.mobile-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--light-text);
    font-size: 0.8em;
    padding: 5px;
    transition: color 0.3s ease;
}

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

.mobile-nav i {
    font-size: 1.5em; /* Tamaño del icono */
    margin-bottom: 5px;
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    .hero {
        padding: 80px 20px;
    }
    .hero h1 {
        font-size: 2.5em;
    }
    .hero p {
        font-size: 1.1em;
    }
    .advantages h2,
    .contact-form-section h2 {
        font-size: 2em;
    }
    .advantage-card h3 {
        font-size: 1.5em;
    }
    .advantage-card p {
        font-size: 1em;
    }
    .cta {
        padding: 60px 20px;
        margin-bottom: 70px; /* Ajuste para el menú móvil */
    }
    .cta h2 {
        font-size: 2.2em;
    }
    .cta p {
        font-size: 1.2em;
    }

    .contact-form-section .section-description {
        font-size: 1em;
    }
    .contact-form {
        padding: 30px;
    }
    .form-group label {
        font-size: 1em;
    }
    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group textarea {
        padding: 10px;
    }
    .contact-form .btn {
        padding: 12px 0;
        font-size: 1em;
    }

    .footer-desktop {
        display: none; /* Ocultar footer de escritorio en móvil */
    }

    .mobile-nav {
        display: block; /* Mostrar menú móvil */
    }
    /* Asegurar que el contenido no quede debajo del menú fijo */
    body {
        padding-bottom: 70px; /* Ajusta este valor si el menú es más alto */
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2em;
    }
    .hero p {
        font-size: 1em;
    }
    .btn {
        padding: 12px 25px;
        font-size: 0.9em;
    }
    .advantages h2,
    .contact-form-section h2 {
        font-size: 1.8em;
    }
    .advantage-card {
        padding: 20px;
    }
    .advantage-card h3 {
        font-size: 1.3em;
    }
    .cta h2 {
        font-size: 1.8em;
    }
    .cta p {
        font-size: 1em;
    }
    .contact-form {
        padding: 20px;
    }
}