/* ==================================== */
/* 1. VARIABLES Y RESET GENERAL */
/* ==================================== */

:root {
    /* Variables de Color (Lionware Paleta Tecnológica) */
    --color-primary: #007bff; /* Azul vibrante */
    --color-secondary: #00bcd4; /* Cian/Turquesa para el toque tecnológico */
    --color-dark: #1e1e2d; /* Fondo oscuro principal */
    --color-light-dark: #2c2c3e; /* Fondo de secciones/tarjetas más claro */
    --color-text-light: #f0f0f0; /* Color principal del texto */
    --color-text-fade: #a0a0b0; /* Texto secundario o descriptivo */
    --color-whatsapp: #25d366; /* Verde WhatsApp */
    
    /* Variables de Tipografía y Espaciado */
    --font-primary: 'Poppins', sans-serif;
    --spacing-lg: 3rem; 
    --spacing-md: 1.5rem; 
}

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

body {
    font-family: var(--font-primary); 
    background-color: var(--color-dark); 
    color: var(--color-text-light); 
    line-height: 1.6; 
    overflow-x: hidden; 
}

a {
    text-decoration: none; 
    color: var(--color-primary);
    transition: color 0.3s ease; 
}

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

/* ==================================== */
/* 2. LAYOUT GENERAL Y TIPOGRAFÍA */
/* ==================================== */

main {
    padding-top: 60px; 
}

/* CLASE CORREGIDA (SOLUCIÓN AL ANCHO DEL HERO) */
.content-area {
    max-width: 1400px; 
    margin: 0 auto; 
    padding: var(--spacing-lg) 5%; 
}

section {
    padding: 0; 
    margin: 0;
}

h1, h2 {
    font-weight: 700; 
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem; 
}

h2 {
    font-size: 2.5rem; 
    text-align: center;
    color: var(--color-secondary); 
}

p {
    color: var(--color-text-fade); 
    margin-bottom: 1rem;
}

.highlight {
    color: var(--color-primary); 
    font-weight: 800; 
}

/* Botones CTA */
.cta-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--color-primary);
    color: var(--color-dark);
    font-weight: 600;
    border-radius: 5px;
    letter-spacing: 0.05em; 
    margin-top: 1rem;
    transition: background-color 0.3s ease, transform 0.2s;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4); 
}

.cta-button:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px); 
    box-shadow: 0 6px 20px rgba(0, 188, 212, 0.6); 
}

.secondary-cta {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    box-shadow: none;
    margin-top: 2rem;
    padding: 0.8rem 2rem;
    display: inline-flex; 
    align-items: center;
    justify-content: center;
}
.secondary-cta:hover {
    background-color: var(--color-primary);
    color: var(--color-dark);
    transform: translateY(-2px);
}

/* ESTILO ESPECÍFICO DE WHATSAPP */
.whatsapp-button {
    background-color: var(--color-whatsapp);
    border-color: var(--color-whatsapp);
    color: white; 
}
.whatsapp-button:hover {
    background-color: #128C7E; 
    border-color: #128C7E;
    color: white;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6); 
}
.whatsapp-button i {
    margin-right: 8px; 
}

/* ==================================== */
/* 3. HEADER (CABECERA) Y NAVEGACIÓN */
/* ==================================== */

.main-header {
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 0.5rem 5%;
    background-color: var(--color-dark);
    border-bottom: 1px solid var(--color-light-dark); 
    position: fixed; 
    width: 100%;
    z-index: 1000; 
}

.logo img {
    height: 50px; 
    transition: filter 0.3s ease; 
    filter: invert(1) grayscale(1) brightness(2); 
}

.main-nav a {
    color: var(--color-text-light);
    margin-left: var(--spacing-md);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: var(--color-light-dark);
}

.nav-contact-btn {
    background-color: var(--color-primary);
    color: var(--color-dark) !important; 
    font-weight: 600;
    margin-left: var(--spacing-md);
}

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

.menu-toggle {
    display: none;
    font-size: 2rem;
    cursor: pointer;
}


/* ==================================== */
/* 4. SECCIÓN HERO (PANCARTA PRINCIPAL) */
/* ==================================== */

.hero-section {
    display: flex;
    align-items: center;
    min-height: 100vh; 
    padding-top: 80px; 
    position: relative;
    overflow: hidden; 
}

.hero-content {
    flex: 1; 
    max-width: 60%; 
    z-index: 10; 
    position: relative;
}

.hero-section .content-area {
    padding-top: 0;
    padding-bottom: 0;
}

.hero-section .subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.hero-section .description {
    font-size: 1.3rem;
    max-width: 80%;
}

/* Estilo para el contenedor de partículas (CUBRE EL 100% DEL HERO) */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1; 
    background-color: var(--color-dark); 
}

/* ==================================== */
/* 5. SECCIÓN SERVICIOS (TARJETAS) */
/* ==================================== */

.services-section {
    background-color: var(--color-light-dark); 
}

.services-section .content-area {
    text-align: center;
}

.service-cards-container {
    display: grid; 
    grid-template-columns: repeat(3, 1fr); /* AJUSTADO DE 4 A 3 COLUMNAS */
    gap: var(--spacing-md); 
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg); 
}

.service-card {
    background-color: var(--color-dark);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: left;
    border-left: 5px solid var(--color-primary); 
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px); 
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.2);
}

.service-card h3 {
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

/* ==================================== */
/* 6. SECCIÓN INFRAESTRUCTURA (TABS) */
/* ==================================== */

.infra-section .content-area {
    text-align: center;
}

.tabs-container {
    margin-top: var(--spacing-lg);
    background-color: var(--color-light-dark);
    padding: var(--spacing-md);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(0, 123, 255, 0.1); 
}

.tabs-header {
    display: flex; 
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-md);
    overflow-x: auto; 
    justify-content: center; 
}

.tab-button {
    flex-grow: 1; 
    background: transparent;
    color: var(--color-text-fade);
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.3s, border-bottom 0.3s, background-color 0.3s;
    white-space: nowrap; 
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-button:hover {
    color: var(--color-text-light);
    background-color: rgba(0, 188, 212, 0.05); 
}

.tab-button.active {
    color: var(--color-secondary);
    border-bottom: 3px solid var(--color-secondary); 
    background-color: rgba(0, 123, 255, 0.05); 
}

.tab-pane {
    display: none; 
    padding: var(--spacing-md);
    opacity: 0; 
    transform: translateY(10px);
    transition: opacity 0.4s ease-in, transform 0.4s ease-in;
    gap: var(--spacing-lg);
    align-items: center;
    text-align: left; 
}

.tab-pane.active {
    display: flex; 
    opacity: 1;
    transform: translateY(0);
}

.pane-text {
    flex: 2; 
}

.pane-visual {
    flex: 1; 
    text-align: center;
}

.pane-visual .placeholder-img { 
    max-width: 100%;
    height: auto;
    opacity: 0.8;
    /* FILTRO AÑADIDO PARA HACER LOS ICONOS NEGROS VISIBLES EN FONDO OSCURO */
    filter: invert(100%); 
    transition: filter 0.3s ease; 
}

/* Opcional: Para hacerlas un poco más brillantes en hover */
.pane-visual .placeholder-img:hover {
    filter: invert(100%) brightness(1.2); 
}

.infra-list {
    list-style: none; 
    padding-left: 0;
    margin-top: 1rem;
    font-size: 1.1rem;
}

.infra-list li {
    padding: 0.5rem 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
}

.infra-list li:before {
    content: "▶"; 
    color: var(--color-primary);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* ==================================== */
/* 7. SECCIÓN FILOSOFÍA (GRID) */
/* ==================================== */

.philosophy-section .content-area {
    text-align: center;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    text-align: left;
}

.value-item {
    background-color: var(--color-light-dark);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.value-item h3 {
    color: var(--color-primary);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

/* ==================================== */
/* 8. FOOTER (PIE DE PÁGINA) */
/* ==================================== */

.main-footer {
    background-color: var(--color-light-dark);
    padding: 0; 
    text-align: center;
    border-top: 1px solid var(--color-dark);
}

.main-footer .content-area {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

/* ESTILO DEL LOGO EN EL FOOTER */
.footer-logo {
    height: 60px; /* Tamaño del logo */
    filter: invert(100%) grayscale(1) brightness(1.5); /* Invierte el negro a blanco */
    margin-bottom: var(--spacing-md); /* Espacio debajo del logo */
    margin-left: auto;
    margin-right: auto;
    display: block; /* Necesario para centrar la imagen */
}

.contact-info a {
    color: var(--color-text-fade);
    margin: 0 0.5rem;
}

.copyright {
    margin-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-fade);
}

/* ==================================== */
/* 9. ESTILOS PARA SCROLL REVEAL (JS) */
/* ==================================== */

.scroll-hidden {
    opacity: 0; 
    transform: translateY(20px); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; 
}

.fade-in {
    opacity: 1; 
    transform: translateY(0); 
}

/* ==================================== */
/* 10. ESTILOS DE MODAL (POP-UP) */
/* ==================================== */

.modal {
    display: none; 
    position: fixed; 
    z-index: 2000; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto; 
    background-color: rgba(0, 0, 0, 0.7); /* Semi-transparente y oscuro */
    backdrop-filter: blur(5px); /* Efecto elegante de desenfoque */
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    background-color: var(--color-light-dark);
    margin: auto;
    padding: 40px;
    border: 1px solid var(--color-primary);
    width: 90%;
    max-width: 800px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    position: relative;
    transform: scale(0.9);
    opacity: 0;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    max-height: 90vh; /* Limitar la altura del modal */
    overflow-y: auto; /* Permitir scroll si el contenido es largo */
}

.modal.active {
    display: flex;
}

.modal.active .modal-content {
    transform: scale(1);
    opacity: 1;
}

.close-button {
    color: var(--color-text-fade);
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close-button:hover,
.close-button:focus {
    color: var(--color-primary);
    text-decoration: none;
}

.modal-content h3 {
    color: var(--color-secondary);
    font-size: 2rem;
    border-bottom: 2px solid rgba(0, 123, 255, 0.2);
    padding-bottom: 10px;
    margin-bottom: 20px;
    text-align: left; /* Títulos alineados a la izquierda dentro del modal */
}

#modal-body-content p {
    color: var(--color-text-light);
    margin-bottom: 15px;
    font-size: 1.05rem;
}

#modal-body-content h4 {
    color: var(--color-primary);
    margin-top: 20px;
    margin-bottom: 10px;
}

#modal-body-content ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 20px;
}

#modal-body-content ul li {
    background: var(--color-dark);
    padding: 10px;
    margin-bottom: 5px;
    border-left: 4px solid var(--color-primary);
    border-radius: 4px;
    color: var(--color-text-light);
}

#modal-download-btn {
    display: inline-flex;
    align-items: center;
    margin-top: 20px;
    text-align: center;
}

#modal-download-btn i {
    margin-right: 8px;
}

/* ==================================== */
/* 11. MEDIA QUERIES (RESPONSIVE DESIGN) */
/* ==================================== */

@media (max-width: 900px) {
    .hero-content {
        max-width: 80%;
    }
    h1 {
        font-size: 3rem;
    }
    .service-cards-container {
        grid-template-columns: repeat(2, 1fr);
    }
    /* Permite que las 4 pestañas se ajusten en móviles */
    .tabs-header {
        justify-content: flex-start;
    }
    .tab-button {
        padding: 1rem 1rem;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 2.2rem; 
    }
    h2 {
        font-size: 2rem;
    }
    .hero-section {
        flex-direction: column; 
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
        padding-bottom: 2rem;
    }

    /* Ocultamos las partículas en móvil para rendimiento */
    #particles-js {
        display: none;
    }
    .service-cards-container {
        grid-template-columns: 1fr;
    }

    .tabs-header {
        flex-direction: column; 
    }
    .tab-pane {
        flex-direction: column; 
        text-align: center;
    }
    .pane-text {
        text-align: left;
    }

    /* Navegación para Móviles */
    .main-nav {
        display: none; 
        position: absolute;
        top: 60px; 
        left: 0;
        width: 100%;
        flex-direction: column; 
        background-color: var(--color-light-dark);
        border-top: 1px solid var(--color-dark);
        padding: 1rem 0;
    }
    .main-nav a {
        margin: 0;
        padding: 1rem 5%;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .menu-toggle {
        display: block; 
    }

    .main-header.nav-open .main-nav {
        display: flex; 
    }

    .modal-content {
        padding: 20px;
    }
    .modal-content h3 {
        font-size: 1.5rem;
    }
}