:root {
    --emerald-green: #00c292; /* Verde Esmeralda Principal */
    --dark-emerald: #00a77e;
    --cyan-accent: #00e0ff; /* Cian/Turquesa Eléctrico */
    --dark-cyan: #00b8d4;
    --dark-grey: #121212; /* Fondo gris oscuro más profundo */
    --medium-grey: #1e1e1e;
    --light-grey-card: #2a2a2a; /* Para tarjetas */
    --text-color: #e0e0e0;
    --glow-emerald: rgba(0, 194, 146, 0.7);
    --glow-cyan: rgba(0, 224, 255, 0.7);

    /* Manteniendo algunos del anterior por si acaso, pero priorizando los nuevos */
    --purple: #9b59b6; /* Púrpura (obsoleto) */
    --yellow: #f1c40f; /* Amarillo (obsoleto) */
}

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

body {
    font-family: 'Rajdhani', sans-serif; /* Nueva fuente base, más tech */
    background-color: var(--dark-grey);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
}

#universe-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    /* text-align: center; <- He comentado esto, ya que no todos los contenedores deben estar centrados por defecto. Se aplica donde sea necesario. */
}

/* --- Navbar --- */
.navbar {
    background: rgba(18, 18, 18, 0.8); /* Fondo semi-transparente oscuro */
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--medium-grey);
}

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

.nav-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    color: var(--emerald-green);
    text-decoration: none;
    font-weight: 700;
    position: relative; /* For glitch */
}
/* Glitch effect for logo - subtle */
.glitch {
    position: relative;
    text-shadow: 0.03em 0 0 var(--glow-cyan), -0.015em -0.03em 0 var(--glow-emerald), 0.015em 0.03em 0 var(--glow-cyan);
    animation: glitch-subtle 3s infinite alternate;
}
@keyframes glitch-subtle {
  0%, 100% { text-shadow: 0.03em 0 0 var(--glow-cyan), -0.015em -0.03em 0 var(--glow-emerald), 0.015em 0.03em 0 var(--glow-cyan); }
  50% { text-shadow: -0.03em 0 0 var(--glow-emerald), 0.015em 0.03em 0 var(--glow-cyan), -0.015em -0.03em 0 var(--glow-emerald); }
}


.nav-menu {
    list-style: none;
    display: flex;
}

.nav-menu li {
    margin-left: 25px;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

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

.nav-menu a:hover, .nav-menu a.active {
    color: var(--emerald-green);
}
.nav-menu a:hover::after, .nav-menu a.active::after {
    width: 100%;
}

.dropdown {
    position: relative;
}
.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--medium-grey);
    min-width: 200px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.3);
    z-index: 1;
    border-radius: 0 0 8px 8px;
    border-top: 2px solid var(--emerald-green);
    padding-top: 5px;
    text-align: left; /* Para que el texto en el dropdown esté alineado a la izquierda */
}
.dropdown-content a {
    color: var(--text-color);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
}
.dropdown-content a::after { display: none; } /* Remove underline animation */
.dropdown-content a:hover {
    background-color: var(--light-grey-card);
    color: var(--emerald-green);
}
.dropdown:hover .dropdown-content {
    display: block;
}
.dropbtn i { margin-left: 5px; font-size: 0.8em; }

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--emerald-green);
    font-size: 1.8rem;
    cursor: pointer;
}


/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center; 
    padding: 120px 20px 60px;
    position: relative;
    background: linear-gradient(rgba(18, 18, 18, 0.6), rgba(18, 18, 18, 0.9));
}

.hero-content h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2.2rem, 7vw, 4.5rem);
    color: var(--emerald-green);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px var(--glow-emerald), 0 0 20px var(--glow-emerald);
    line-height: 1.2;
}


/* Glitch Effect for Hero H1 */
.glitch-hero {
    position: relative;
    text-shadow: 0.05em 0 0 var(--glow-cyan), -0.025em -0.05em 0 var(--glow-emerald), 0.025em 0.05em 0 var(--glow-cyan);
    animation: glitch-main 850ms infinite;
}
.glitch-hero span { display: block; position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: -1; }
.glitch-hero span:before, .glitch-hero span:after {
    content: attr(data-text);
    position: absolute; left: 0; right: 0; top: 0;
    background: var(--dark-grey);
    overflow: hidden; clip: rect(0,0,0,0);
}
.glitch-hero span:before {
    left: 0.01em; text-shadow: -0.05em 0 var(--glow-cyan);
    animation: glitch-top 1.7s infinite linear alternate-reverse;
}
.glitch-hero span:after {
    left: -0.01em; text-shadow: -0.05em 0 var(--glow-emerald), 0.05em 0.05em var(--glow-cyan);
    animation: glitch-bottom 1.2s infinite linear alternate-reverse;
}
@keyframes glitch-main {
  0% { text-shadow: 0.05em 0 0 var(--glow-cyan), -0.025em -0.05em 0 var(--glow-emerald), 0.025em 0.05em 0 var(--glow-cyan); }
  15% { text-shadow: 0.05em 0 0 var(--glow-cyan), -0.025em -0.05em 0 var(--glow-emerald), 0.025em 0.05em 0 var(--glow-cyan); }
  16% { text-shadow: -0.05em -0.025em 0 var(--glow-cyan), 0.025em 0.05em 0 var(--glow-emerald), -0.05em -0.05em 0 var(--glow-cyan); }
  49% { text-shadow: -0.05em -0.025em 0 var(--glow-cyan), 0.025em 0.05em 0 var(--glow-emerald), -0.05em -0.05em 0 var(--glow-cyan); }
  50% { text-shadow: 0.05em 0.025em 0 var(--glow-cyan), 0.05em -0.05em 0 var(--glow-emerald), 0 -0.05em 0 var(--glow-cyan); }
  99% { text-shadow: 0.05em 0.025em 0 var(--glow-cyan), 0.05em -0.05em 0 var(--glow-emerald), 0 -0.05em 0 var(--glow-cyan); }
  100% { text-shadow: -0.05em 0 0 var(--glow-cyan), -0.025em -0.05em 0 var(--glow-emerald), 0.025em 0.05em 0 var(--glow-cyan); }
}
@keyframes glitch-top { 
  0%, 100% { clip-path: inset(0% 0% 50% 0%); }
  25% { clip-path: inset(20% 0% 30% 0%); }
  50% { clip-path: inset(50% 0% 0% 0%); }
  75% { clip-path: inset(30% 0% 20% 0%); }
}
@keyframes glitch-bottom { 
  0%, 100% { clip-path: inset(50% 0% 0% 0%); }
  25% { clip-path: inset(70% 0% 10% 0%); }
  50% { clip-path: inset(0% 0% 50% 0%); }
  75% { clip-path: inset(60% 0% 20% 0%); }
}


.slogan {
    font-size: clamp(1.1rem, 2.5vw, 1.6rem); 
    color: var(--text-color);
    font-weight: 400;
    max-width: 700px;          
    margin-left: auto;         
    margin-right: auto;        
    margin-bottom: 2.5rem;     
    text-align: center;        
}

.highlight-emerald {
    color: var(--emerald-green);
    font-weight: bold;
    text-shadow: 0 0 8px var(--glow-emerald);
}
.highlight-cyan {
    color: var(--cyan-accent);
    font-weight: bold;
    text-shadow: 0 0 8px var(--glow-cyan);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, var(--emerald-green), var(--dark-emerald));
    color: #fff; 
    padding: 14px 35px;
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 2px solid var(--emerald-green);
    box-shadow: 0 0 15px var(--glow-emerald);
    font-weight: 600;
}
.cta-button:hover {
    background: linear-gradient(45deg, var(--dark-emerald), var(--emerald-green));
    transform: scale(1.05) translateY(-3px);
    box-shadow: 0 0 25px var(--glow-emerald);
    color: #fff;
}

/* --- General Section Styling --- */
.section-futuristic {
    padding: 100px 0; 
    position: relative;
    text-align: center; /* Para centrar el h2 de la sección */
}
.section-futuristic:first-of-type {
    padding-top: 140px; 
}
.section-futuristic::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--emerald-green);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--glow-emerald);
}

.section-futuristic h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    /* text-align: center;  Ya está en .section-futuristic */
    margin-bottom: 60px;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* --- "Nosotros" Section --- */
.nosotros-content > div { /* Centrar las tarjetas dentro de nosotros-content */
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
    max-width: 900px; /* Ajusta este valor según sea necesario para el ancho de las tarjetas */
    text-align: left; /* Para que el texto dentro de las tarjetas esté alineado a la izquierda */
}
.propuesta-valor {
    text-align: center; /* La propuesta de valor sí puede tener texto centrado */
    border-left-color: var(--cyan-accent) !important; 
}
.propuesta-valor p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}
/* .mission-vision-grid ya no se usa, se puede eliminar */

.futuristic-card {
    background: var(--light-grey-card);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--medium-grey);
    border-left: 5px solid var(--emerald-green);
    box-shadow: 0 5px 20px rgba(0,0,0,0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.futuristic-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 20px var(--glow-emerald);
}
.futuristic-card h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--cyan-accent);
    margin-bottom: 15px;
    font-size: 1.6rem;
}
.ia-class-structure ul {
    list-style: none;
    padding-left: 0;
}
.ia-class-structure ul li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}
.icon-list {
    color: var(--emerald-green);
    position: absolute;
    left: 0;
    top: 5px; 
    font-size: 1.2em;
}
.single-mission-vision-card .mission-content,
.single-mission-vision-card .vision-content {
    margin-bottom: 20px; 
}
.single-mission-vision-card .vision-content {
    margin-bottom: 0; 
}
.single-mission-vision-card h3 {
    margin-bottom: 10px; 
}
.card-divider { 
    border: none;
    height: 1px;
    background-color: var(--medium-grey); 
    margin: 25px 0; 
}


/* --- "Servicios" Section --- */
.service-block {
    margin-bottom: 60px;
    padding: 30px;
    background: rgba(30, 30, 30, 0.5);
    border-radius: 10px;
    border: 1px solid var(--medium-grey);
    text-align: left; /* Para que el contenido de los bloques de servicio esté alineado a la izquierda */
}
.service-block-description {
    text-align: center;
}
.service-block h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--emerald-green);
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: center; /* Los H3 de los bloques sí centrados */
}
.icon-title {
    margin-right: 10px;
    color: var(--cyan-accent);
}
.service-details-list {
    list-style: none;
    padding-left: 20px;
    margin: 20px 0;
}
.service-details-list li {
    margin-bottom: 10px;
    font-size: 1.1rem;
}
.service-details-list li::before {
    content: "✧";
    color: var(--cyan-accent);
    margin-right: 10px;
    font-weight: bold;
}
.ia-teacher-focus {
    margin-top: 30px;
    border-left-color: var(--cyan-accent) !important;
    background: var(--medium-grey); 
}
.ia-teacher-focus h4 {
    color: var(--emerald-green);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 10px;
}
.ia-teacher-focus i {
    margin-right: 8px;
}

/* Plans (within Services) */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 30px;
    margin-top: 30px;
    text-align: center; /* Para que las tarjetas de planes estén centradas si no ocupan todo el ancho */
    justify-items: center; /* Centrar horizontalmente las tarjetas en sus celdas */
    justify-content: center; /* Centrar el grid en sí mismo */
}
.plan-card {
    background: var(--light-grey-card);
    border-radius: 20px;
    padding: 30px;
    text-align: center; /* El texto DENTRO de la tarjeta sí va centrado */
    border: 2px solid transparent;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}
.plan-card:hover {
    transform: scale(1.03);
    border-color: var(--emerald-green);
    box-shadow: 0 0 30px var(--glow-emerald);
}
.plan-card.highlight-plan {
    border-color: var(--cyan-accent);
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--glow-cyan);
}
.plan-card.highlight-plan:hover {
    box-shadow: 0 0 40px var(--glow-cyan);
}
.plan-header h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--emerald-green);
    font-size: 1.8rem;
    margin-bottom: 10px;
}
.plan-card.highlight-plan .plan-header h3 {
    color: var(--cyan-accent);
}
.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--cyan-accent);
    margin-bottom: 20px;
}
.plan-card.highlight-plan .price {
    color: var(--emerald-green);
}
.currency {
    font-size: 1rem;
    font-weight: normal;
    color: var(--text-color);
}
.plan-description {
    margin-bottom: 25px;
    min-height: 50px; /* Ajustado para asegurar consistencia */
}
.cta-button-plan {
    display: inline-block;
    background: var(--emerald-green);
    color: #fff;
    padding: 10px 25px;
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    border-radius: 30px;
    transition: all 0.3s ease;
    border: 1px solid var(--emerald-green);
    font-weight: 600;
}
.plan-card.highlight-plan .cta-button-plan {
    background: var(--cyan-accent);
    color: var(--dark-grey);
    border-color: var(--cyan-accent);
}
.cta-button-plan:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* ESTILOS PARA LA NUEVA TARJETA SUPER PREMIUM Y SUS CARACTERÍSTICAS DE IA */
.plan-ia-features {
    list-style: none;
    padding: 0;
    margin: 15px auto 20px; /* Añadido margen inferior para separar del botón */
    text-align: left; 
    max-width: 90%; 
    font-size: 0.9rem;
}
.plan-ia-features li {
    margin-bottom: 8px;
    padding-left: 5px; 
    display: flex; 
    align-items: center;
}
.plan-ia-features li i {
    color: var(--emerald-green); 
    margin-right: 8px;
    width: 20px; 
    text-align: center;
}
.plan-card.super-premium-plan {
    border-color: var(--emerald-green); 
    box-shadow: 0 0 35px var(--glow-emerald), 0 0 15px var(--glow-cyan); 
    transform: scale(1.07); 
    background: linear-gradient(145deg, var(--light-grey-card), var(--medium-grey));
    grid-column: 1 / -1; /* Hacer que ocupe todo el ancho del grid */
    max-width: 350px; /* Limitar el ancho para que no se vea demasiado extendido */
    margin: 0 auto; /* Centrar horizontalmente */
}
.plan-card.super-premium-plan:hover {
    transform: scale(1.09); 
    box-shadow: 0 0 45px var(--glow-emerald), 0 0 20px var(--glow-cyan);
}
.plan-card.super-premium-plan .plan-header h3 {
    color: var(--emerald-green); 
}
.plan-card.super-premium-plan .price {
    color: var(--cyan-accent); 
    font-size: 2.7rem; 
}
.plan-card.super-premium-plan .cta-button-plan {
    background: linear-gradient(45deg, var(--emerald-green), var(--cyan-accent));
    color: var(--dark-grey); 
    border: none; 
    font-weight: bold;
}
/* FIN DE ESTILOS PARA NUEVA TARJETA */


/* Features (within Services - Web) */
.features-container {
    margin-top: 40px;
    padding: 20px;
    background: rgba(30, 30, 30, 0.3);
    border-radius: 10px;
    text-align: center; /* Para centrar el h4 de características */
}
.features-container h4 {
    /* text-align: center; Ya está en .features-container */
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: var(--cyan-accent);
    font-family: 'Orbitron', sans-serif;
}
.features-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 15px;
    text-align: left; /* El texto dentro de cada item de la lista sí va a la izquierda */
}
.features-list li {
    background: var(--light-grey-card);
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--emerald-green);
    transition: background-color 0.3s ease, transform 0.3s ease;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}
.features-list li:hover {
    background-color: var(--medium-grey);
    transform: translateX(5px);
}
.feature-icon {
    font-size: 1.3rem;
    margin-right: 12px;
    color: var(--emerald-green);
    line-height: 1;
    width: 25px; 
    text-align: center;
}

/* --- Contact Section --- */
.contact-form {
    max-width: 700px;
    margin: 30px auto 0;
    display: grid;
    gap: 20px;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    background-color: var(--medium-grey);
    border: 1px solid var(--emerald-green);
    border-radius: 8px;
    color: var(--text-color);
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    font-weight: 500;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #888;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--cyan-accent);
    box-shadow: 0 0 10px var(--glow-cyan);
}
.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}
.contact-form button {
    font-family: 'Orbitron', sans-serif;
    background: var(--cyan-accent);
    color: var(--dark-grey);
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px var(--glow-cyan);
}
.contact-form button:hover {
    background: var(--dark-cyan);
    transform: translateY(-3px);
    box-shadow: 0 0 25px var(--glow-cyan);
}

/* --- Footer --- */
.footer-futuristic {
    padding: 50px 20px 30px;
    background-color: #0a0a0a; 
    border-top: 3px solid var(--emerald-green);
    text-align: center;
}
.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.contact-info p {
    margin-bottom: 10px;
    font-size: 1rem;
}
.contact-info p i {
    color: var(--emerald-green);
    margin-right: 8px;
}
.contact-info a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}
.contact-info a:hover {
    color: var(--emerald-green);
}
.social-icons a {
    color: var(--text-color);
    font-size: 1.8rem;
    margin: 0 12px;
    transition: color 0.3s ease, transform 0.3s ease;
}
.social-icons a:hover {
    color: var(--cyan-accent);
    transform: scale(1.2);
}
.copyright {
    font-size: 0.9rem;
    color: #777;
    margin-top: 20px;
}

/* --- Scroll Animations --- */
.section-futuristic, .futuristic-card, .plan-card, .features-list li, .service-block {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.section-futuristic.visible, .futuristic-card.visible, .plan-card.visible, .features-list li.visible, .service-block.visible {
    opacity: 1;
    transform: translateY(0);
}


/* --- Responsive Design --- */
@media (max-width: 992px) {
    .nav-menu {
        display: none; 
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 65px; 
        left: 0;
        background: rgba(18, 18, 18, 0.95);
        backdrop-filter: blur(5px);
        padding: 1rem 0;
    }
    .nav-menu.active {
        display: flex; 
    }
    .nav-menu li {
        margin: 10px 0;
        text-align: center;
    }
    .dropdown-content {
        position: static; 
        background: transparent;
        box-shadow: none;
        border-top: none;
        padding-top: 0;
        margin-top: 10px;
    }
    .dropdown-content a {
        padding: 10px 16px;
        text-align: center;
        color: #ccc; 
    }
    .dropdown-content a:hover {
        color: var(--emerald-green);
        background: var(--medium-grey);
    }
    .hamburger {
        display: block; 
    }
    .hero { padding-top: 100px; }
    .section-futuristic:first-of-type { padding-top: 120px; }
}

@media (max-width: 768px) {
    .hero-content h1 { font-size: 2rem; }
    .slogan { font-size: 1rem; }
    /* .mission-vision-grid, <- Ya no se usa */
    .plans-grid, .features-list { /* .mission-vision-grid eliminado de aquí */
        grid-template-columns: 1fr;
    }
    .nosotros-content > div { /* Asegurar que las tarjetas en "Nosotros" ocupen el ancho */
        max-width: 100%;
    }
    .section-futuristic h2 { font-size: 1.8rem; margin-bottom: 40px; }
    .service-block h3 { font-size: 1.6rem; }
    .footer-content {
        gap: 15px;
    }
    .contact-info p { font-size: 0.9rem; }
    .social-icons a { font-size: 1.6rem; margin: 0 8px; }
}
/* Los estilos de single-mission-vision-card ya están arriba, no es necesario repetirlos */