/* Variables de Color - Término Medio (Corporate Gray) */
:root {
    --primary: #1C98ED; 
    --primary-dark: #1579be;
    
    /* El "Término Medio": Grises suaves que no cansan la vista */
    --base-bg: #E4E9F0;  /* Gris base para el fondo de toda la página */
    --light-bg: #D4DBE6; /* Gris un poco más oscuro para intercalar secciones */
    
    /* Elementos que resaltan */
    --card-bg: #F8FAFC;  /* Blanco opaco/ahumado para las tarjetas */
    --dark-bg: #1E293B;  /* Azul oscuro casi negro para títulos y footer */
    
    /* Textos */
    --text-dark: #334155; /* Texto principal oscuro pero no negro puro */
    --text-light: #64748B; /* Texto secundario grisáceo */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html { scroll-behavior: smooth; }

/* Aplicamos el fondo general base */
body { color: var(--text-dark); background-color: var(--base-bg); }

/* Para que la portada también tome el gris base */
.hero-section { padding: 60px 0; background-color: var(--base-bg); }

/* Utilidades */
.container { width: 90%; max-width: 1200px; margin: auto; }
.section { padding: 80px 0; }
.bg-light { background-color: var(--light-bg); } /* Fondo para intercalar secciones */
.text-primary { color: var(--primary); }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2.5rem; color: var(--dark-bg); margin-bottom: 10px; }
.section-title p { color: var(--text-light); font-size: 1.1rem; }

/* Botones */
.btn-primary { background: var(--primary); color: var(--white); padding: 12px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; transition: 0.3s; display: inline-block; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: transparent; color: var(--dark-bg); border: 2px solid var(--dark-bg); padding: 12px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; transition: 0.3s; display: inline-block; }
.btn-secondary:hover { background: var(--dark-bg); color: var(--white); }

/* =========================================
   BARRA DE NAVEGACIÓN BLINDADA (Definitiva)
   ========================================= */
header nav, 
nav#navbar, 
body > nav { 
    display: flex !important; 
    justify-content: space-between !important; 
    align-items: center !important; 
    padding: 12px 5% !important; 
    
    /* Forzamos un fondo blanco sutil con sombra elegante y cero opacidad blanca plana */
    background: #FFFFFF !important; 
    border-bottom: 2px solid var(--primary) !important; /* Línea inferior celeste corporativa */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important; 
    
    position: fixed !important; 
    top: 0 !important; 
    left: 0 !important;
    width: 100% !important;
    z-index: 99999 !important; 
}

nav .logo img {
    max-height: 48px !important; 
    width: auto !important;
    display: block !important;
    transition: transform 0.3s ease !important;
}

nav .logo img:hover {
    transform: scale(1.05) !important;
}

.nav-links {
    list-style: none !important;
    display: flex !important;
    gap: 30px !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
}

.nav-links a {
    text-decoration: none !important;
    color: var(--text-dark) !important;
    font-weight: 600 !important;
    font-size: 0.95rem !important;
    transition: color 0.3s ease !important;
}

.nav-links a:hover {
    color: var(--primary) !important;
}

.nav-links .btn-contacto {
    background-color: var(--primary) !important;
    color: #ffffff !important;
    padding: 10px 22px !important;
    border-radius: 8px !important;
}

.nav-links .btn-contacto:hover {
    background-color: var(--primary-dark) !important;
    transform: translateY(-2px) !important;
}

/* Espacio superior obligatorio para el cuerpo */
body {
    padding-top: 75px !important;
}

/* Portada (Hero Moderno) */
.hero-section { padding: 60px 0; background-color: var(--base-bg); }
.hero-container { display: flex; align-items: center; gap: 40px; }
.hero-text { flex: 1; }
.hero-text h1 { font-size: 3.5rem; color: var(--dark-bg); line-height: 1.2; margin-bottom: 20px; }
.hero-text p { font-size: 1.2rem; color: var(--text-light); margin-bottom: 30px; line-height: 1.6; }
.hero-buttons { display: flex; gap: 15px; }
.hero-image { flex: 1; text-align: right; }
.hero-image img { width: 100%; max-width: 600px; border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); object-fit: cover; }

/* Banner Ingeniería (Fondo Azul Oscuro contrastando con tu celeste) */
.engineering-banner { background-color: var(--dark-bg); padding: 40px 0; color: var(--white); }
.banner-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; text-align: center; }
.banner-item i { font-size: 3rem; color: var(--primary); margin-bottom: 15px; }
.banner-item h3 { font-size: 1.5rem; margin-bottom: 10px; }
.banner-item p { color: #A0B3C6; }

/* Servicios con Imágenes */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.service-card { 
    background: var(--card-bg); /* Blanco ahumado */
    border-radius: 10px; 
    overflow: hidden; 
    box-shadow: 0 10px 20px rgba(0,0,0,0.08); /* Sombra suave */
    transition: transform 0.3s ease; 
}
.service-card img { width: 100%; height: 220px; object-fit: cover; }
.service-info { padding: 25px; }
.service-info h3 { color: var(--dark-bg); margin-bottom: 10px; font-size: 1.3rem; }
.service-info p { color: var(--text-light); line-height: 1.5; }

/* Por Qué Elegirnos */
.choose-container { display: flex; align-items: center; gap: 50px; }
.choose-image { flex: 1; }
.choose-image img { width: 100%; border-radius: 10px; box-shadow: 0 10px 30px rgba(28,152,237,0.2); }
.choose-text { flex: 1; }
.choose-text h2 { font-size: 2.5rem; color: var(--dark-bg); margin-bottom: 15px; }
.choose-text > p { color: var(--text-light); margin-bottom: 30px; font-size: 1.1rem; }
.features-list { display: flex; flex-direction: column; gap: 20px; }
.feature-box { 
    display: flex; gap: 20px; align-items: flex-start; 
    background: var(--card-bg); /* Blanco ahumado */
    padding: 20px; 
    border-radius: 10px; 
    box-shadow: 0 5px 15px rgba(0,0,0,0.05); 
    border-left: 4px solid var(--primary); 
}
.feature-box h4 { color: var(--dark-bg); margin-bottom: 5px; font-size: 1.2rem;}
.feature-box p { color: var(--text-light); font-size: 0.95rem; }

/* Nuestros Clientes */
.clients-logos { display: flex; justify-content: space-around; align-items: center; flex-wrap: wrap; gap: 30px; margin-top: 40px; }
.logo-box { background: var(--white); padding: 20px 40px; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); border: 1px solid #eee; transition: 0.3s;}
.logo-box:hover { border-color: var(--primary); }
.logo-box h3 { color: var(--text-light); margin: 0; font-size: 1.2rem; }
/* Cuando pongas imágenes en los logos usa esta regla: */
/* .logo-box img { max-width: 150px; opacity: 0.6; transition: 0.3s; } */
/* .logo-box:hover img { opacity: 1; } */

/* Footer */
.footer { background-color: var(--dark-bg); color: var(--white); padding: 60px 0 20px; }
.footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; margin-bottom: 40px; }
.footer-info h2 { color: var(--primary); margin-bottom: 15px; }
.footer-info p { color: #A0B3C6; max-width: 300px; line-height: 1.6; }
.footer-contact h3 { margin-bottom: 15px; color: var(--white); }
.footer-contact p { margin-bottom: 10px; color: #A0B3C6; display: flex; gap: 10px; align-items: center; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); color: #A0B3C6; font-size: 0.9rem; }

/* WhatsApp */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; background: #25D366; color: white; border-radius: 50%; font-size: 35px; width: 65px; height: 65px; display: flex; justify-content: center; align-items: center; box-shadow: 0 5px 15px rgba(0,0,0,0.3); z-index: 100; text-decoration: none; transition: 0.3s;}
.whatsapp-float:hover { transform: scale(1.1); }


/* --- Carrusel de Clientes --- */
.carousel-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 15px;
}

.carousel-track-container {
    overflow: hidden;
    width: 100%;
    padding: 20px 0;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    list-style: none;
    margin: 0;
    padding: 0;
}

.carousel-slide {
    min-width: 33.333%; /* Muestra 3 logos a la vez */
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
}

/* Logos a todo color y más grandes */
.carousel-slide img {
    max-width: 250px; /* Aumentamos el tamaño a lo ancho */
    max-height: 120px; /* Aumentamos el tamaño a lo alto */
    object-fit: contain;
    transition: transform 1s ease;
    mix-blend-mode: multiply; /* TRUCO PRO: Elimina el fondo blanco cuadrado de los logos */
}

.carousel-slide img:hover {
    transform: scale(1.1); /* Solo le damos un ligero zoom al pasar el mouse */
}

.carousel-btn {
    background: var(--white);
    border: 2px solid var(--primary);
    color: var(--primary);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: 0.3s;
    z-index: 10;
}

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

/* Responsive: En celulares mostrará 1 logo a la vez */
@media (max-width: 768px) {
    .carousel-slide { min-width: 100%; }
}

/* =========================================
   ESTILOS PARA LA PÁGINA DE SERVICIOS
   ========================================= */

/* Cabecera de la página de servicios */
.section-header {
    padding: 60px 0 30px;
    background-color: var(--base-bg);
}

.section-header h1 {
    font-size: 2.8rem;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.2rem;
}

.services-page-container {
    padding: 40px 0 80px;
}

/* Fila de Categoría de Servicios */
.service-category-row {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    align-items: stretch;
}

/* Tarjeta Principal de Categoría (Izquierda) */
.category-main-card {
    flex: 0 0 280px; /* Ancho fijo para el título de la categoría */
    background: var(--card-bg);
    border: 1px solid #D4DBE6;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 30px 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}

.category-main-card i {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.category-main-card h3 {
    color: var(--dark-bg);
    font-size: 1.4rem;
    line-height: 1.3;
}

/* Contenedor de las Sub-tarjetas (Derecha - Deslizable) */
.sub-services-container {
    display: flex;
    gap: 20px;
    overflow-x: auto; /* Permite hacer scroll horizontal si hay varias */
    padding-bottom: 10px;
    flex: 1;
    scroll-behavior: smooth;
}

/* Estilo de la barra de desplazamiento para que se vea moderna */
.sub-services-container::-webkit-scrollbar {
    height: 8px;
}
.sub-services-container::-webkit-scrollbar-track {
    background: #E2E8F0;
    border-radius: 4px;
}
.sub-services-container::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

/* Tarjeta Individual de Sub-servicio */
.sub-service-card {
    flex: 0 0 260px; /* Ancho fijo de cada tarjeta de sub-servicio */
    background: var(--card-bg);
    border: 1px solid #D4DBE6;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    transition: transform 0.3s ease;
}

.sub-service-card:hover {
    transform: translateY(-5px);
}

.sub-service-img {
    position: relative;
    height: 160px;
}

.sub-service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Icono Flotante Circular */
.floating-icon {
    position: absolute;
    bottom: -18px;
    left: 20px;
    background: var(--primary);
    color: white;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
    border: 3px solid var(--card-bg);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.sub-service-content {
    padding: 30px 18px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sub-service-content h4 {
    color: var(--dark-bg);
    font-size: 1rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.link-more {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
}

.link-more:hover {
    color: var(--primary-dark);
    gap: 12px; /* Pequeño efecto de desplazamiento en la flecha */
}

/* Responsive para Celulares y Tablets */
@media (max-width: 900px) {
    .service-category-row {
        flex-direction: column;
    }
    .category-main-card {
        flex: auto;
        padding: 20px;
        flex-direction: row;
        justify-content: flex-start;
        gap: 20px;
        text-align: left;
    }
    .category-main-card i {
        margin-bottom: 0;
        font-size: 2.5rem;
    }
    .section-header h1 {
        font-size: 2rem;
    }
}

/* =========================================
   ESTILOS PARA LA PÁGINA "NOSOTROS"
   ========================================= */

.about-page-content {
    padding: 50px 0 80px;
}

/* Grilla de Introducción */
.about-intro-grid {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 70px;
}

.about-text-block {
    flex: 1;
}

.about-text-block h2 {
    font-size: 2.2rem;
    color: var(--dark-bg);
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-text-block p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.about-img-block {
    flex: 1;
}

.about-img-block img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    object-fit: cover;
}

/* Misión y Visión Grid */
.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 70px;
}

.mv-card {
    background: var(--card-bg);
    border: 1px solid #D4DBE6;
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    text-align: center;
    transition: transform 0.3s ease;
}

.mv-card:hover {
    transform: translateY(-5px);
}

.mv-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.mv-card h3 {
    font-size: 1.5rem;
    color: var(--dark-bg);
    margin-bottom: 15px;
}

.mv-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Valores Grid */
.values-section {
    margin-top: 50px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.value-item {
    background: var(--card-bg);
    border: 1px solid #D4DBE6;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    border-top: 4px solid var(--primary);
}

.value-item i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.value-item h4 {
    font-size: 1.2rem;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.value-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Responsive para la página Nosotros */
@media (max-width: 900px) {
    .about-intro-grid {
        flex-direction: column;
    }
}

/* Cabecera de páginas internas centrada */
.section-header {
    padding: 60px 0 30px;
    background-color: var(--base-bg);
    text-align: center; /* <-- Esto centra todo el texto de la cabecera */
}

.section-header h1 {
    font-size: 2.8rem;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.2rem;
    max-width: 700px; /* Evita que el subtítulo sea muy ancho */
    margin: 0 auto;   /* Centra el párrafo si tiene max-width */
}

/* =========================================
   ESTILOS PARA LA PÁGINA "PROYECTOS"
   ========================================= */

.projects-page-content {
    padding: 40px 0 80px;
}

/* Etiqueta pequeña superior naranja/celeste */
.subtitle-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--primary); /* Tono naranja industrial de acento */
    margin-bottom: 10px;
    text-transform: uppercase;
}

/* Grilla de Sectores (3 columnas) */
.projects-sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

/* Tarjeta de Sector */
.sector-card {
    background: var(--card-bg);
    border: 1px solid #D4DBE6;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.sector-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(28,152,237,0.15);
}

.sector-img {
    height: 240px;
    width: 100%;
    overflow: hidden;
}

.sector-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.sector-card:hover .sector-img img {
    transform: scale(1.05);
}

.sector-info {
    padding: 30px 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.sector-info h3 {
    font-size: 1.6rem;
    color: var(--dark-bg);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sector-info p {
    color: var(--text-light);
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

.btn-sector {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
    align-self: flex-start;
}

.btn-sector:hover {
    color: var(--primary-dark);
    gap: 12px;
}

/* =========================================
   ESTILOS PARA EL CATÁLOGO DE PROYECTOS (RETAIL)
   ========================================= */

.project-catalog-content {
    padding: 40px 0 80px;
}

/* Grilla de 3 columnas para los proyectos */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

/* Tarjeta individual de proyecto */
.catalog-card {
    background: var(--card-bg);
    border: 1px solid #D4DBE6;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.catalog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(28,152,237,0.12);
}

.catalog-img {
    height: 220px;
    width: 100%;
    overflow: hidden;
}

.catalog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.catalog-card:hover .catalog-img img {
    transform: scale(1.05);
}

.catalog-info {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.catalog-info h3 {
    font-size: 1.3rem;
    color: var(--dark-bg);
    margin-bottom: 12px;
    line-height: 1.3;
}

/* Metadatos (Año y Dirección) */
.catalog-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.catalog-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.catalog-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
    border-top: 1px solid #E2E8F0;
    padding-top: 15px;
    margin-top: auto; /* Empuja la descripción hacia abajo si varía el tamaño */
}

/* =========================================
   ESTILOS PARA LA PÁGINA "CONTACTO"
   ========================================= */

.contact-page-container {
    padding: 60px 0 90px;
}

/* Estructura de 2 columnas (Izquierda info, Derecha formulario) */
.contact-grid {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.contact-info-side {
    flex: 1;
}

.contact-info-side h1 {
    font-size: 2.5rem;
    color: var(--dark-bg);
    margin-bottom: 20px;
    line-height: 1.25;
}

.contact-info-side p {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 35px;
}

/* Canales de contacto (Teléfono y WhatsApp) */
.contact-channels {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.channel-box {
    display: flex;
    align-items: center;
    gap: 15px;
}

.channel-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.3rem;
}

.phone-bg { 
    background-color: var(--primary); /* Usa tu celeste principal */ 
}
.wa-bg { background-color: #25D366; /* Verde WhatsApp */ }

.channel-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 600;
}

.channel-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-bg);
}

/* Columna del Formulario */
.contact-form-side {
    flex: 1;
    background: var(--card-bg);
    border: 1px solid #D4DBE6;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.advanced-contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row input {
    flex: 1;
}

.advanced-contact-form input,
.advanced-contact-form textarea {
    width: 100%;
    padding: 15px 18px;
    background-color: #FFFFFF;
    border: 1px solid #CBD5E1;
    border-radius: 8px;
    font-size: 0.98rem;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.advanced-contact-form input:focus,
.advanced-contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(28,152,237,0.15);
}

/* Botón Naranja de Enviar Mensaje (exacto al de tu referencia) */
.btn-submit-orange {
    background-color: var(--primary); /* Cambiado al celeste oficial */
    color: white;
    border: none;
    padding: 16px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-align: center;
}

.btn-submit-orange:hover {
    background-color: var(--primary-dark); /* Tono un poco más oscuro al pasar el mouse */
    transform: translateY(-2px);
}

/* Responsive para dispositivos móviles */
@media (max-width: 900px) {
    .contact-grid {
        flex-direction: column;
        gap: 40px;
    }
    .form-row {
        flex-direction: column;
        gap: 20px;
    }
}

/* Estilo para la alerta de éxito en el formulario */
.success-alert {
    background-color: #E0F2FE; /* Celeste muy suave */
    border: 1px solid var(--primary);
    color: #0369A1;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    animation: fadeIn 0.3s ease;
}

.success-alert i {
    font-size: 1.3rem;
    color: var(--primary);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   MENÚ DESPLEGABLE (DROPDOWN) DE SERVICIOS
   ========================================= */

/* Contenedor principal del dropdown */
.dropdown {
    position: relative;
}

/* Estilo del panel flotante */
.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: -20px;
    background: #FFFFFF;
    min-width: 280px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    border: 1px solid #D4DBE6;
    border-radius: 10px;
    padding: 10px 0;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

/* Muestra el menú cuando el usuario pasa el mouse */
.dropdown:hover .dropdown-content {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Enlaces internos del menú desplegable */
.dropdown-content a {
    color: var(--text-dark) !important;
    padding: 10px 20px !important;
    font-size: 0.9rem !important;
    font-weight: 500 !important;
    display: block !important;
    transition: all 0.2s ease !important;
    border-left: 3px solid transparent;
}

/* Efecto hover en las opciones del menú desplegable */
.dropdown-content a:hover {
    background-color: #F1F5F9 !important;
    color: var(--primary) !important;
    border-left-color: var(--primary) !important;
    padding-left: 24px !important; /* Pequeño desplazamiento elegante */
}


/* =========================================
   SECCIÓN DE DESCARGA DE BROCHURE (Completa y Centrada)
   ========================================= */

.brochure-section {
    background-color: var(--light-bg); /* Fondo intercalado corporativo */
    padding: 70px 0;
}

.brochure-header {
    text-align: center;
    margin-bottom: 40px;
}

.brochure-header h2 {
    font-size: 2.3rem;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.brochure-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Contenedor centrado de la tarjeta */
.brochure-card-wrapper {
    display: flex;
    justify-content: center;
}

/* Tarjeta elegante */
.brochure-card {
    background: var(--card-bg);
    border: 1px solid #D4DBE6;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.brochure-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(28, 152, 237, 0.12);
}

/* Contenido centrado */
.brochure-content {
    text-align: center; 
    display: flex;
    flex-direction: column;
    align-items: center; 
}

/* Caja del ícono centrada con tu celeste corporativo */
.brochure-icon-box {
    width: 65px;
    height: 65px;
    background-color: var(--primary);
    color: #FFFFFF;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(28, 152, 237, 0.3);
}

.brochure-content h3 {
    font-size: 1.5rem;
    color: var(--dark-bg);
    margin-bottom: 10px;
}

.brochure-content p {
    color: var(--text-light);
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

/* Botón interno de descarga */
.brochure-btn {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background-color: #FFFFFF;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 14px 22px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.brochure-btn:hover {
    background-color: var(--primary);
    color: #FFFFFF;
    gap: 10px;
}

.brochure-btn i {
    transition: transform 0.3s ease;
}

.brochure-btn:hover i {
    transform: translateX(5px);
}

/* =========================================
   ESTILOS RESPONSIVOS COMPLETOS (MÓVILES Y TABLETS)
   ========================================= */

/* Por defecto, el botón hamburguesa está OCULTO en la PC */
.menu-toggle {
    display: none !important;
    cursor: pointer;
    font-size: 1.6rem;
    color: var(--dark-bg);
}

/* Reglas para pantallas menores a 900px (Celulares y Tablets) */
@media (max-width: 900px) {
    
    /* 1. Mostrar el botón hamburguesa */
    .menu-toggle {
        display: block !important;
    }

    /* 2. Menú desplegable vertical móvil */
    .nav-links {
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        width: 100% !important;
        background-color: #FFFFFF !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0 !important;
        max-height: 0 !important;
        overflow: hidden !important;
        transition: max-height 0.4s ease-in-out !important;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
        border-bottom: 1px solid #D4DBE6 !important;
        padding: 0 5% !important;
    }

    .nav-links.active {
        max-height: 600px !important;
        padding: 20px 5% !important;
    }

    .nav-links li {
        width: 100% !important;
        padding: 12px 0 !important;
        border-bottom: 1px solid #F1F5F9 !important;
    }

    .nav-links li:last-child {
        border-bottom: none !important;
        padding-top: 15px !important;
    }

    .nav-links a {
        display: block !important;
        width: 100% !important;
        font-size: 1.05rem !important;
    }

    .nav-links .btn-contacto {
        text-align: center !important;
        display: block !important;
    }

    /* 3. Ajuste del menú desplegable (Dropdown) en celular */
    .dropdown-content {
        position: static !important;
        box-shadow: none !important;
        border: none !important;
        padding-left: 15px !important;
        background: transparent !important;
        display: none;
    }

    /* 4. ARREGLO DE LA PORTADA Y CONTENEDORES EN CELULARES */
    .hero-container, 
    .choose-container { 
        flex-direction: column !important; 
        text-align: center !important; 
    }
    
    .hero-buttons { 
        justify-content: center !important; 
    }
    
    .hero-image {
        width: 100% !important;
        text-align: center !important;
        margin-top: 30px !important;
    }

    .hero-image img { 
        width: 100% !important; 
        max-width: 100% !important;
    }
}