/* --- Reseteo Básico y Globales --- */
:root {
    --color-primario: #3498db; /* Azul corporativo */
    --color-secundario: #2c3e50; /* Gris oscuro para textos */
    --color-fondo: #ffffff;
    --color-texto-claro: #ecf0f1; /* Para textos sobre fondos oscuros */
    --color-acento: #e74c3c; /* Rojo para botones o destacados */
    --color-border-claro: #e0e0e0;
    --border-radius: 0.375rem; /* Copiado de admin para consistencia */
    --shadow-md: 0 4px 12px rgba(0,0,0,0.05); /* Copiado de admin */
    --font-family: 'Inter', sans-serif;
    --color-text-muted: #6c757d; /* Copiado de admin */
    --color-text-dark: #343a40; /* Copiado de admin */
    --color-border: #dee2e6; /* Añadido de admin para consistencia */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-fondo);
    color: var(--color-secundario);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

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

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

h1, h2, h3 {
    color: var(--color-secundario);
    font-weight: 700;
}

img {
    max-width: 100%;
    height: auto;
}

/* --- Top Bar --- */
.top-bar {
    background-color: var(--color-secundario);
    color: var(--color-texto-claro);
    padding: 0.7rem 0;
    font-size: 0.9em;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.contact-info span {
    margin-right: 1.5rem;
}

.contact-info i {
    margin-right: 0.5rem;
    color: var(--color-primario);
}

.social-icons a {
    color: var(--color-texto-claro);
    margin-left: 1rem;
    font-size: 1.1em;
}

.social-icons a:hover {
    color: var(--color-primario);
}

/* Enlace Admin en Top Bar */
.top-admin-link {
    margin-left: 1.5rem;
    padding: 0.2rem 0.8rem;
    border: 1px solid var(--color-sidebar-text, var(--color-texto-claro)); /* Fallback color */
    border-radius: var(--border-radius);
    opacity: 0.7;
}
.top-admin-link i {
    margin-right: 0.5rem;
}
.top-admin-link:hover {
    opacity: 1;
    background-color: var(--color-primario);
    border-color: var(--color-primario);
    color: var(--color-card-bg, var(--color-fondo)) !important; /* Fallback color */
}

/* --- Main Navbar --- */
.main-navbar {
    background-color: var(--color-fondo);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-navbar .logo {
    display: flex;
    align-items: center;
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--color-secundario);
}

.main-navbar .logo img {
    height: 40px;
    margin-right: 0.7rem;
}

.main-nav > .main-nav-list {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.main-nav ul li a {
    color: var(--color-secundario);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.main-nav ul li a:hover {
    color: var(--color-primario);
}

.btn-contact {
    background-color: var(--color-primario);
    color: var(--color-fondo);
    padding: 0.7rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: background-color 0.3s ease;
}

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

/* Hamburguesa (móvil) */
.hamburger {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--color-secundario);
    cursor: pointer;
}


/* --- Hero Section & Slider --- */
.hero {
    background-color: #f0f4f7;
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

.hero-slider-container {
    position: relative;
    width: 100%;
}

.hero-slide {
    display: none;
    width: 100%;
}

.hero-slide.active {
    display: block;
    animation: fadeIn 0.8s ease-in-out;
}

.hero-slide .hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    position: relative;
    z-index: 2;
    min-height: 500px;
}

.hero-text {
    flex: 1;
    max-width: 50%;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--color-secundario);
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: #555;
}

.btn-primary {
    background-color: var(--color-primario);
    color: var(--color-fondo);
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 1.1rem;
    display: inline-block;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--color-secundario);
}

.hero-image {
    flex: 1;
    max-width: 50%;
    text-align: right;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-height: 450px;
    object-fit: contain;
}

.hero-arrows {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 5;
}

.hero-arrows button {
    background-color: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--color-border-claro);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
    color: var(--color-secundario);
}

.hero-arrows button:hover {
    background-color: var(--color-primario);
    color: var(--color-fondo);
}

@keyframes fadeIn {
    from { opacity: 0.3; }
    to { opacity: 1; }
}


/* --- Portfolio Grid (Sección de Proyectos) --- */
.portfolio {
    padding: 4rem 0;
    background-color: #fcfcfc;
}

.portfolio h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-secundario);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: #fff;
    border: 1px solid var(--color-border-claro);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--color-primario);
}

.project-info p {
    font-size: 1rem;
    color: #444;
}

/* Helper para Videos Embebidos */
.video-responsive {
    position: relative;
    padding-bottom: 56.25%; /* Proporción 16:9 */
    height: 0;
    overflow: hidden;
    background-color: #000;
}

.video-responsive iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}


/* --- Sección Sobre Nosotros (#nosotros) --- */
.about-us {
    padding: 6rem 0;
    background-color: var(--color-fondo);
}

.about-us-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-us-left {
    flex: 1;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.about-us-left img {
    width: 100%;
    height: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: var(--border-radius);
    display: block;
}

.experience-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--color-primario);
    color: var(--color-fondo);
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.experience-badge h2 {
    color: var(--color-fondo);
    font-size: 3rem;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.experience-badge p {
    color: var(--color-texto-claro);
    font-size: 0.9rem;
    line-height: 1.2;
    margin: 0;
}

.about-us-right {
    flex: 1;
}

.about-us-right h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-secundario);
}

.about-us-right .subtitle {
    color: var(--color-primario);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.about-us-right p {
    margin-bottom: 1rem;
    color: #555;
}

.features-grid {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--color-secundario);
    font-weight: 500;
    flex: 1;
    min-width: 200px;
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--color-primario);
}

.feature-item span {
    font-weight: 700;
}

.secondary-description {
    margin-bottom: 2rem;
    color: #666;
}

.contact-call {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border-claro);
}

.contact-call img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.contact-info-text span {
    display: block;
    font-size: 0.9rem;
    color: #777;
}

.contact-info-text h3 {
    font-size: 1.5rem;
    color: var(--color-primario);
    margin: 0;
}


/* ---
--- Estilos Sección Servicios (CON IMÁGENES)
--- */
.services-section {
    padding: 6rem 0;
    background-color: #f9f9f9; /* bg-light */
}

.services-grid {
    display: grid;
    /* Crea columnas automáticas, mínimo 280px */
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-fondo);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--color-primary);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* --- ESTILOS PARA LA IMAGEN --- */
.service-image {
    width: 100px; /* Ancho deseado para la imagen */
    height: 100px; /* Alto deseado (igual al ancho para ser cuadrada) */
    margin: 0 auto 1.5rem auto; /* Centrar y añadir espacio abajo */
    border-radius: 50%; /* Hacerla redonda */
    overflow: hidden; /* Asegurar que la imagen no se salga del círculo */
    border: 3px solid var(--color-primary); /* Borde opcional */
    background-color: #eef; /* Color de fondo mientras carga */
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Recorta la imagen para llenar el espacio */
    display: block;
}
/* --- FIN ESTILOS IMAGEN --- */

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--color-secundario);
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Responsive para Servicios */
@media (max-width: 576px) {
    .service-card {
        padding: 2rem 1.5rem;
    }
    .service-image {
        width: 80px; /* Más pequeña en móvil */
        height: 80px;
    }
    .service-card h3 {
        font-size: 1.3rem;
    }
}


/* ---
--- Estilos Sección Contacto
--- */
.contact-section {
    padding: 6rem 0;
    background-color: #f9f9f9; /* bg-light */
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--color-card-bg, var(--color-fondo)); /* Fallback */
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.contact-info-box h3,
.contact-form-box h3 {
    font-size: 1.8rem;
    color: var(--color-secundario);
    margin-bottom: 1.5rem;
}

.contact-info-box p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}
.info-item i {
    font-size: 1.5rem;
    color: var(--color-primario);
    margin-top: 5px;
}
.info-item strong {
    font-size: 1.1rem;
    color: var(--color-text-dark);
}
.info-item p {
    margin: 0;
    color: var(--color-text-muted);
}

/* Estilos de Formulario Público */
.contact-form-box .form-group {
    margin-bottom: 1.5rem;
}
.contact-form-box .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
}
.contact-form-box .form-group input,
.contact-form-box .form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-primary); /* Borde azul por defecto */
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact-form-box .form-group input:focus,
.contact-form-box .form-group textarea:focus {
    border-color: var(--color-primary); /* Mantenemos azul al enfocar */
    box-shadow: 0 0 0 3px rgba(0,123,255,0.15); /* Mantenemos sombra suave */
    outline: none;
}
.contact-form-box .btn-primary { /* Estilo específico para el botón de enviar */
    width: 100%;
}

/* Mensajes de Alerta en Frontend */
.success { background: #d4edda; color: #155724; padding: 1rem; border: 1px solid #c3e6cb; border-radius: var(--border-radius); }
.error { background: #f8d7da; color: #721c24; padding: 1rem; border: 1px solid #f5c6cb; border-radius: var(--border-radius); }


/* --- Footer --- */
.footer {
    text-align: center;
    padding: 2.5rem 0;
    background-color: var(--color-secundario);
    color: var(--color-texto-claro);
    margin-top: 4rem;
}

/* --- Scroll To Top Button --- */
.scroll-to-top {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999;
    background-color: var(--color-primario);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: background-color 0.3s ease;
}

.scroll-to-top:hover {
    background-color: var(--color-acento);
}


/* --- Media Queries (Responsive Design) --- */
@media (max-width: 992px) { /* Tablet */
    .main-nav > .main-nav-list {
        gap: 1.5rem;
    }
    .hero-text h1 {
        font-size: 2.8rem;
    }
    .hero-slide .hero-content {
        flex-direction: column;
        text-align: center;
        min-height: auto;
        padding: 2rem 0;
    }
    .hero-text, .hero-image {
        max-width: 100%;
    }
    .hero-image {
        margin-top: 2rem;
        text-align: center;
    }
    .hero-arrows {
        padding: 0 0.5rem;
    }

    /* Sobre Nosotros Tablet */
    .about-us-content {
        flex-direction: column;
        text-align: center;
    }
    .about-us-left, .about-us-right {
        max-width: 100%;
        flex: none;
    }
    .about-us-left img {
        height: auto;
    }
    .experience-badge {
        top: 10px;
        left: 10px;
        width: 100px;
        height: 100px;
    }
     .experience-badge h2 {
        font-size: 2.5rem;
    }
    .about-us-right h2 {
        font-size: 2rem;
    }
    .features-grid {
        justify-content: center;
    }
    .feature-item {
        justify-content: center;
        width: 100%;
    }
    .contact-call {
        justify-content: center;
    }

    /* Contacto Tablet */
    .contact-grid {
        grid-template-columns: 1fr;
        padding: 2rem;
    }
}

@media (max-width: 768px) { /* Móvil */
    .top-bar-content {
        flex-direction: column;
        text-align: center;
    }
    .contact-info span {
        margin-right: 0.5rem;
        display: block;
    }
    .main-navbar-content {
        flex-wrap: wrap;
        justify-content: center;
    }
    .main-nav {
        order: 3;
        flex-basis: 100%;
        margin-top: 1rem;
    }
    .main-nav > .main-nav-list {
        flex-direction: column;
        width: 100%;
        display: none;
        background-color: var(--color-fondo);
        box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        border-radius: 5px;
        padding: 1rem 0;
        gap: 0;
    }
    .main-nav > .main-nav-list.active {
        display: flex;
    }
    .main-nav ul li a {
        padding: 0.8rem 1rem;
        border-bottom: 1px solid var(--color-border-claro);
    }
    .main-nav ul li:last-child a {
        border-bottom: none;
    }
    .btn-contact {
        order: 2;
        margin-left: auto;
    }
    .hamburger {
        display: block;
        order: 1;
    }
    .main-navbar .logo {
        order: 2;
    }
    .hero-text h1 {
        font-size: 2.2rem;
    }

} /* Fin de @media (max-width: 768px) */

/* --- Fin del archivo CSS --- */