/* ==========================================================================
   DEFINICIONES Y VARIABLES GLOBALES
   ========================================================================== */

/* Propiedades personalizadas para animaciones de borde en las tarjetas */
@property --angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

@property --c1 {
    syntax: '<color>';
    initial-value: #ff0080;
    inherits: false;
}

@property --c2 {
    syntax: '<color>';
    initial-value: #007cf0;
    inherits: false;
}

/* Variables de color y estilo para los temas claro y oscuro */
:root {
    --bg-color: #f9fafb;
    --card-bg-color: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --header-bg: rgba(255, 255, 255, 0.8);
    --icon-bg: #e0f2fe;
    --icon-color: #0284c7;
    --footer-bg: #f3f4f6;
    --border-glow-color: rgba(59, 130, 246, 0.6);
    --trail-saturation: 80%;
    --trail-lightness: 50%;
    --trail-alpha: 0.6;
    --trail-blend-mode: multiply;
    --card-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --logo-prog-color: #111827;
    --slider-icon-color: #6b7280;
    --slider-bg-color: #f3f4f6;
    --slider-border-color: #e5e7eb;
    --details-bg: #ffffff;
    --card-bg-color-light-alt: #f3f4f6;
}

.dark {
    --bg-color: #000000;
    --card-bg-color: #121212;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --header-bg: rgba(0, 0, 0, 0.8);
    --icon-bg: rgba(59, 130, 246, 0.2);
    --icon-color: #38bdf8;
    --footer-bg: #111827;
    --border-glow-color: rgba(59, 130, 246, 0.9);
    --trail-saturation: 100%;
    --trail-lightness: 70%;
    --trail-alpha: 1;
    --trail-blend-mode: screen;
    --card-shadow: none;
    --logo-prog-color: #f9fafb;
    --slider-icon-color: #9ca3af;
    --slider-bg-color: #111827;
    --slider-border-color: #1f2937;
    --details-bg: #121212;
    --card-bg-color-light-alt: #1f2937;
}

/* ==========================================================================
   ESTILOS BASE Y GENERALES
   ========================================================================== */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-secondary);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    /* Previene el desbordamiento horizontal */
}

h1,
h2,
h3,
a.nav-link,
button.nav-button,
h4.footer-title {
    color: var(--text-primary);
}

header,
main,
footer {
    position: relative;
    z-index: 2;
}

/* MEJORA DE ACCESIBILIDAD: Añade un indicador de foco visible para la navegación con teclado */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
    border-radius: 0.25rem;
}


/* ==========================================================================
   HEADER Y NAVEGACIÓN
   ========================================================================== */
header {
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    /* Efecto de desenfoque para el fondo del header */
    -webkit-backdrop-filter: blur(10px);
    /* Soporte para Safari */
}

#main-header {
    transition: transform 0.3s ease;
    z-index: 50;
}

/* Header que aparece al hacer scroll */
#scrolled-header {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 51;
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#scrolled-header button {
    background-color: var(--card-bg-color);
    border: 1px solid var(--slider-border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}

#scrolled-header button:hover {
    transform: translateY(-2px);
}

/* Clases que se aplican con JS al hacer scroll */
body.scrolled #scrolled-header {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

body.scrolled #main-header {
    transform: translateY(-100%);
    pointer-events: none;
}

/* Panel del menú móvil */
#mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    width: 256px;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    transition: transform 0.3s ease;
    background-color: var(--card-bg-color);
    z-index: 52;
    transform: translateX(100%);
}

#mobile-menu-panel.is-open {
    transform: translateX(0);
}

/* Fondo oscuro cuando el menú está abierto */
#menu-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 51;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

#menu-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Efecto de subrayado en los enlaces de navegación */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-primary);
    transition: width 0.3s ease;
}

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

/* ==========================================================================
   EFECTOS VISUALES (ESTELA DEL CURSOR, TARJETAS)
   ========================================================================== */
.trail {
    position: fixed;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: opacity 0.5s ease-out;
    mix-blend-mode: var(--trail-blend-mode);
}

@media (hover: none) {
    .trail {
        display: none;
    }
}

.card {
    position: relative;
    border-radius: 1rem;
    padding: 1px;
    background: transparent;
    will-change: transform, opacity;
    /* Optimización de rendimiento */
}

.card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(400px circle at var(--x) var(--y),
            var(--border-glow-color),
            transparent 70%);
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    z-index: 1;
}

.card::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: conic-gradient(from var(--angle),
            var(--c1),
            var(--c2),
            var(--c1));
    border-radius: inherit;
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

@media (hover: hover) {

    .card:hover::before,
    .card:hover::after {
        opacity: 1;
    }
}

.card.touch-active::before,
.card.touch-active::after {
    opacity: 1;
}

.card-content {
    background-color: var(--card-bg-color);
    border-radius: inherit;
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--card-shadow);
}

#modulos .card-content {
    background-color: var(--card-bg-color-light-alt);
}

.dark #modulos .card-content {
    background-color: var(--card-bg-color);
}

@keyframes rotate {
    from {
        --angle: 0deg;
    }

    to {
        --angle: 360deg;
    }
}

/* ==========================================================================
   ESTILOS DE COMPONENTES ESPECÍFICOS
   ========================================================================== */
.icon-wrapper {
    background-color: var(--icon-bg);
    color: var(--icon-color);
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.icon-wrapper:hover {
    transform: scale(1.1);
}

footer {
    background-color: var(--footer-bg);
    transition: background-color 0.3s ease;
}

/* Estilos para el resaltado de sintaxis en la simulación de código */
.code-keyword {
    color: #569cd6;
}

.code-function {
    color: #dcdcaa;
}

.code-string {
    color: #ce9178;
}

.code-comment {
    color: #6a9955;
}

.code-punctuation {
    color: #d4d4d4;
}

.code-parameter {
    color: #9cdcfe;
}

.logo-prog {
    color: var(--logo-prog-color);
}

/* Carrusel de testimonios */
.testimonials-container {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    /* Scroll suave en iOS */
    scrollbar-width: none;
    scroll-behavior: smooth;
}

.testimonials-container::-webkit-scrollbar {
    display: none;
}

.testimonial-card {
    flex: 0 0 100%;
    scroll-snap-align: center;
    padding: 0 0.25rem;
}

/* Carrusel de logos de tecnologías */
.slider-container {
    background-color: var(--slider-bg-color);
    border-radius: 0.75rem;
    padding: 1rem 0;
    box-shadow: var(--slider-shadow);
    border: 1px solid var(--slider-border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
    min-height: 80px;
    display: flex;
    align-items: center;
}

.logo-slider {
    overflow: hidden;
    position: relative;
    width: 100%;
}

.logo-slider::before,
.logo-slider::after {
    content: "";
    position: absolute;
    top: 0;
    width: 50px;
    height: 100%;
    z-index: 2;
    transition: background 0.3s ease;
}

.logo-slider::before {
    left: 0;
    background: linear-gradient(to left, transparent, var(--slider-bg-color));
}

.logo-slider::after {
    right: 0;
    background: linear-gradient(to right, transparent, var(--slider-bg-color));
}

.logo-slider-track {
    display: flex;
    animation: scroll 40s linear infinite;
    width: calc(150px * 20);
    /* Ancho total para la animación de bucle */
}

.logo-slider-track:hover {
    animation-play-state: paused;
}

.logo-slide {
    width: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 100px;
}

.logo-slide i {
    font-size: 2rem;
    color: var(--slider-icon-color);
    transition: transform 0.3s ease, color 0.3s ease;
    will-change: transform;
    /* Optimización */
}

.logo-slide:hover i {
    transform: translateZ(10px) scale(1.05);
    color: var(--text-primary);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-150px * 10));
    }
}

/* Estilos de la sección de detalles y tutor */
#detalles-curso {
    background-color: var(--details-bg);
    transition: background-color 0.3s ease;
}

.emprendedor-card {
    background-color: var(--slider-bg-color);
    border: 1px solid var(--slider-border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-top: 2.5rem;
    box-shadow: var(--slider-shadow);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.empresa-logo img {
    transition: filter 0.3s ease;
}

.logo-scopegenius {
    filter: invert(1);
}

.dark .logo-scopegenius {
    filter: none;
}

.dark .logo-digiart {
    filter: brightness(0) invert(1);
}

.dark .tutor-photo {
    filter: brightness(.9) contrast(0.95);
}

/* Títulos con efecto de escritura */
#typing-title,
#project-title {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

#project-title {
    justify-content: flex-start;
}

/* ==========================================================================
   ANIMACIONES DE SCROLL
   ========================================================================== */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: transform, opacity;
    /* Optimización */
}

.animate-on-scroll.slide-in-up {
    transform: translateY(30px);
}

.animate-on-scroll.slide-in-left {
    transform: translateX(-30px);
}

.animate-on-scroll.slide-in-right {
    transform: translateX(30px);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ==========================================================================
   WIDGET DE WHATSAPP
   ========================================================================== */
#whatsapp-card {
    border-radius: 9999px;
    padding: 0;
}

/* Se eliminan los pseudo-elementos que crean el borde brillante */
#whatsapp-card::before,
#whatsapp-card::after {
    display: none;
}

#whatsapp-card .card-content {
    background-color: transparent;
    box-shadow: none;
}

/* Filtro de brillo neón aplicado a la imagen del botón */
#whatsapp-button img {
    transition: filter 0.3s ease;
    filter: drop-shadow(0 0 4px rgba(57, 255, 20, 0.7)) drop-shadow(0 0 12px rgba(57, 255, 20, 0.5));
}

/* Se intensifica el brillo al pasar el mouse sobre el botón */
#whatsapp-button:hover img {
    filter: drop-shadow(0 0 6px rgba(57, 255, 20, 1)) drop-shadow(0 0 20px rgba(57, 255, 20, 0.7));
}


#whatsapp-button {
    transition: transform 0.3s ease;
    will-change: transform;
}

#whatsapp-chat-widget.open #chat-preview {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

#whatsapp-chat-widget.open #whatsapp-card {
    transform: scale(0.9);
    opacity: 0;
    pointer-events: none;
}

/* === INICIO DE LA CORRECCIÓN === */
/* 1. Hacemos que el contenedor principal ignore los eventos de clic por defecto.
      Esto evita que el espacio ocupado por la ventana de chat oculta bloquee la página. */
#whatsapp-chat-widget {
    pointer-events: none;
}

/* 2. Cuando el widget se abre (tiene la clase 'open'), reactivamos los eventos
      para que se pueda interactuar con la ventana de chat. */
#whatsapp-chat-widget.open {
    pointer-events: auto;
}

/* 3. ¡MUY IMPORTANTE! Hacemos que el botón circular de WhatsApp SIEMPRE sea clickable,
      incluso cuando su contenedor principal los está ignorando. */
#whatsapp-card {
    pointer-events: auto;
}

/* === FIN DE LA CORRECCIÓN === */

@keyframes typing-dot {

    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-3px);
    }
}

#typing-indicator span {
    animation: typing-dot 1.2s infinite ease-in-out;
}

#typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

#typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

.whatsapp-bg {
    background-image: url('https://i.pinimg.com/736x/8c/98/99/8c98994518b575bfd8c949e91d20548b.jpg');
    background-size: contain;
}

.chat-bubble {
    position: relative;
    padding: 8px 12px;
    border-radius: 7.5px;
    max-width: 75%;
}

.chat-bubble.incoming {
    background-color: var(--card-bg-color);
    color: var(--text-primary);
    border-top-left-radius: 0;
}

.dark .chat-bubble.incoming {
    background-color: #2a2a2a;
}

.chat-bubble.outgoing {
    background-color: #dcf8c6;
    color: #111b21;
    border-top-right-radius: 0;
}

.dark .chat-bubble.outgoing {
    background-color: #005c4b;
    color: #e9edef;
}

/* ==========================================================================
   SIMULACIÓN DE CÓDIGO
   ========================================================================== */
#code-simulation-container .typing-cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    from,
    to {
        border-color: transparent
    }

    50% {
        border-color: white;
    }
}

#code-output {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--card-bg-color-light-alt);
    border-radius: 0.5rem;
    border: 1px solid var(--slider-border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

#task-list-output {
    font-family: 'Inter', sans-serif;
}

.task-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 0.5rem;
    border-bottom: 1px solid var(--slider-border-color);
    opacity: 0;
    transform: translateX(-20px);
    animation: slide-in 0.5s forwards;
}

.task-item:last-child {
    border-bottom: none;
}

.task-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--slider-border-color);
    border-radius: 50%;
    margin-right: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.task-checkbox svg {
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s ease;
    color: #22c55e;
}

.task-text {
    color: var(--text-primary);
    transition: all 0.4s ease;
    position: relative;
}

.task-item.completed .task-checkbox {
    background-color: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.5);
}

.task-item.completed .task-checkbox svg {
    opacity: 1;
    transform: scale(1);
}

.task-item.completed .task-text {
    color: var(--text-secondary);
    text-decoration: line-through;
}

@keyframes slide-in {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==========================================================================
   CONTROLES DE VOZ Y MODAL DE BIENVENIDA
   ========================================================================== */
.speech-button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease, transform 0.2s ease;
    will-change: transform;
}

.speech-button:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

/* CORRECCIÓN: Se unifican los estilos de posicionamiento para todos los tamaños de pantalla */
#voice-controls-container {
    position: fixed;
    bottom: 6rem;
    /* Ubicado encima del botón de WhatsApp */
    right: 1.75rem;
    /* Alineado con el botón de WhatsApp */
    z-index: 51;
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

body.scrolled #voice-controls-container {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

#voice-settings-toggle {
    background-color: var(--card-bg-color);
    border: 1px solid var(--slider-border-color);
    color: var(--text-secondary);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

#voice-settings-toggle:hover {
    color: var(--text-primary);
}

#voice-settings-panel {
    background-color: var(--card-bg-color);
    border: 1px solid var(--slider-border-color);
    border-radius: 0.75rem;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 200px;
    margin-top: 0.5rem;
    display: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

#voice-settings-panel label {
    color: var(--text-secondary);
    transition: color 0.3s ease;
    font-size: 0.875rem;
}

#mute-button {
    background-color: var(--card-bg-color-light-alt);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

#mute-button:hover {
    background-color: var(--slider-border-color);
}

#voice-settings-panel.open {
    display: block;
}

#welcome-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

#welcome-modal-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

#welcome-modal-content {
    background-color: var(--card-bg-color);
    color: var(--text-primary);
    border-radius: 1rem;
}

/* ==========================================================================
   ESTILOS PARA TOOLTIPS (MENSAJES EMERGENTES)
   ========================================================================== */

/* Contenedor del tooltip para que el posicionamiento absoluto funcione */
[data-tooltip] {
    position: relative;
    cursor: pointer;
}

/* Estilo del mensaje emergente (caja de texto) */
[data-tooltip]::before {
    content: attr(data-tooltip);
    /* Toma el texto del atributo HTML */
    position: absolute;
    bottom: -2.75rem;
    /* Posición debajo del botón */
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    background-color: var(--text-primary);
    /* Fondo oscuro/claro según el tema */
    color: var(--card-bg-color);
    /* Texto claro/oscuro según el tema */
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    /* Evita que el texto se divida en varias líneas */
    z-index: 10;

    /* Oculto por defecto */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

/* Estilo de la flecha del mensaje emergente */
[data-tooltip]::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    /* Posición entre el botón y la caja de texto */
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent var(--text-primary) transparent;
    /* Crea un triángulo apuntando hacia arriba */
    z-index: 10;

    /* Oculto por defecto */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

/* Muestra el tooltip al pasar el cursor */
/* Se desactiva en pantallas táctiles para evitar que se quede pegado */
@media (hover: hover) {

    [data-tooltip]:hover::before,
    [data-tooltip]:hover::after {
        opacity: 1;
        visibility: visible;
    }
}

/* CORRECCIÓN: Estilos específicos para los tooltips de los botones flotantes a la derecha */
#scrolled-header [data-tooltip]::before,
#voice-controls-container [data-tooltip]::before {
    left: auto;
    right: 0;
    transform: none;
}

#scrolled-header [data-tooltip]::after,
#voice-controls-container [data-tooltip]::after {
    left: auto;
    right: 1.25rem;
    /* Ajusta la posición de la flecha para que apunte al centro del botón */
    transform: none;
}


/* ==========================================================================
   OPTIMIZACIONES PARA MÓVILES
   ========================================================================== */
@media (max-width: 768px) {

    /* Aumenta el tamaño y espaciado de los botones flotantes */
    #whatsapp-chat-widget {
        bottom: 1.5rem;
        /* 24px */
        right: 1.5rem;
        /* 24px */
    }

    #whatsapp-button {
        width: 4.5rem;
        /* 72px */
        height: 4.5rem;
        /* 72px */
    }

    #voice-controls-container {
        right: 2rem;
        /* 32px (1.5rem del borde + 0.5rem de ajuste por diferencia de tamaño) */
    }

    #voice-settings-toggle {
        width: 3.5rem;
        /* 56px */
        height: 3.5rem;
        /* 56px */
    }

    #scrolled-header {
        top: 1.5rem;
        /* 24px */
        right: 1.5rem;
        /* 24px */
    }

    #scrolled-header button {
        width: 3.5rem;
        /* 56px */
        height: 3.5rem;
        /* 56px */
    }

    /* Aumenta el área de toque para los botones de testimonios */
    #prev-testimonial,
    #next-testimonial {
        width: 3rem;
        /* 48px */
        height: 3rem;
        /* 48px */
    }
}

/* ==========================================================================
   CORRECCIONES VISUALES DEL MÓDULO 7
   ========================================================================== */

/* 1. Evita el salto de página (CLS) al reservar espacio para la salida del código */
#code-simulation-container {
    min-height: 480px;
    /* Altura suficiente para el editor y la lista de tareas */
}

/* 2. Mejora la visibilidad de la lista de tareas en modo oscuro */
.dark #code-output {
    background-color: var(--slider-bg-color);
    /* Fondo más claro que el negro puro */
    border-color: var(--slider-border-color);
}

.dark .task-item {
    border-bottom-color: var(--slider-border-color);
}

.dark .task-checkbox {
    border-color: var(--slider-border-color);
}

.dark .task-item.completed .task-checkbox {
    background-color: rgba(56, 189, 248, 0.1);
    /* Tono azul claro del tema oscuro */
    border-color: rgba(56, 189, 248, 0.5);
}

.dark .task-item.completed .task-checkbox svg {
    color: #38bdf8;
    /* Color del icono del tema oscuro */
}