/* =========================================
   1. VARIABLES GLOBALES Y LIMPIEZA
   ========================================= */
:root {
    --azul-claro: #1E90FF;
    --azul-profundo: #0A3D62;
    --gris-oscuro: #4A4A4A;
    --gris-fondo: #e9ecef; /* Gris ceniza elegante */
    --blanco: #ffffff;
}

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

body {
    background-color: var(--blanco);
    color: var(--gris-oscuro);
    line-height: 1.6;
    overflow-x: hidden;
}

/* =========================================
   2. NAVEGACIÓN (TOP BAR Y NAVBAR)
   ========================================= */
.top-bar {
    background-color: var(--azul-profundo);
    color: var(--blanco);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 5%;
    font-size: 0.85rem;
}

.top-bar-left i { color: var(--azul-claro); margin-right: 8px; }
.top-bar-left span { margin-right: 25px; }

.top-bar-right a {
    color: var(--blanco);
    text-decoration: none;
    margin-left: 18px;
    font-size: 1rem;
    transition: color 0.3s;
}
.top-bar-right a:hover { color: var(--azul-claro); }

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background-color: var(--blanco);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo img { max-height: 50px; width: auto; display: block; }

.navbar nav a {
    text-decoration: none;
    color: var(--gris-oscuro);
    margin-left: 30px;
    font-weight: 600;
    transition: color 0.3s;
}
.navbar nav a:hover { color: var(--azul-claro); }

/* Botones Generales */
.btn-primary {
    display: inline-block;
    background-color: var(--azul-claro);
    color: var(--blanco);
    padding: 18px 35px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: all 0.3s ease;
}
.btn-primary:hover {
    background-color: var(--azul-profundo);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(30, 144, 255, 0.3);
}

/* =========================================
   3. PÁGINA DE INICIO (INDEX.HTML)
   ========================================= */
/* Hero Slider */
.hero-slider {
    position: relative;
    width: 100%;
    height: 85vh;
    overflow: hidden;
    background-color: var(--gris-fondo);
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    visibility: hidden;
}

.hero-slide.active { opacity: 1; visibility: visible; }

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    width: 100%;
    gap: 30px;
}

.hero-slide.active .hero-text { animation: fadeInUp 0.8s ease forwards; }
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-text { flex: 1; }
.pre-title { color: var(--azul-claro); font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 15px; }
.hero h1, .hero-text h1 { color: var(--azul-profundo); font-size: 3.2rem; line-height: 1.1; margin-bottom: 25px; }
.subtitle { font-size: 1.2rem; margin-bottom: 40px; color: var(--gris-oscuro); }

.hero-visual { flex: 1.2; display: flex; justify-content: center; }
.hero-img {
    width: 100%;
    max-width: 650px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.15));
    animation: float 6s ease-in-out infinite;
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(10, 61, 98, 0.05); border: none; color: var(--azul-profundo); padding: 20px; cursor: pointer; border-radius: 50%; z-index: 10; transition: 0.3s; }
.slider-arrow:hover { background: var(--azul-profundo); color: var(--blanco); }
.prev { left: 20px; }
.next { right: 20px; }

.slider-pagination { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; }
.dot { width: 12px; height: 12px; background: #bbb; border-radius: 50%; cursor: pointer; transition: 0.3s; }
.dot.active { background: var(--azul-claro); width: 30px; border-radius: 10px; }

/* Resumen de Servicios (Inicio) */
.services-section { padding: 100px 5%; background-color: var(--blanco); }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { color: var(--azul-profundo); font-size: 2.5rem; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }
.service-card { background-color: var(--gris-fondo); padding: 40px 30px; border-radius: 15px; text-align: center; transition: all 0.4s ease; border: 1px solid rgba(0,0,0,0.1); }
.service-card:hover { transform: translateY(-12px); background-color: var(--blanco); box-shadow: 0 25px 50px rgba(10, 61, 98, 0.15); border-color: var(--azul-claro); }
.card-icon { font-size: 3rem; color: var(--azul-claro); margin-bottom: 20px; transition: 0.3s; }
.service-card:hover .card-icon { color: var(--azul-profundo); transform: scale(1.1); }
.service-card h3 { color: var(--azul-profundo); margin-bottom: 15px; font-size: 1.4rem; }
.service-card p { font-size: 0.95rem; color: var(--gris-oscuro); line-height: 1.6; }

/* Sección Tecnologías */
.tech-section { padding: 70px 5%; background-color: var(--gris-fondo); border-top: 1px solid rgba(0,0,0,0.05); border-bottom: 1px solid rgba(0,0,0,0.05); }
.tech-container { max-width: 1200px; margin: 0 auto; }
.tech-logos { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 70px; }
.tech-item i { font-size: 4.5rem; color: var(--gris-oscuro); opacity: 0.5; transition: all 0.4s ease; cursor: pointer; }
.tech-item i:hover { color: var(--azul-claro); opacity: 1; transform: scale(1.1) translateY(-5px); filter: drop-shadow(0 10px 15px rgba(30, 144, 255, 0.2)); }

/* =========================================
   4. PÁGINA INTERNA (SERVICIOS DETALLADOS)
   ========================================= */
.page-header { background-color: var(--azul-profundo); color: var(--blanco); padding: 80px 5%; text-align: center; border-bottom: 5px solid var(--azul-claro); }
.page-header-content h1 { font-size: 3rem; margin-bottom: 15px; }
.page-header-content p { font-size: 1.2rem; color: #a0b2c1; max-width: 600px; margin: 0 auto; }

.detailed-services { padding: 80px 5%; background-color: var(--blanco); }

/* Cuadrícula de 4 Columnas para Escritorio */
.detailed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    max-width: 1350px;
    margin: 0 auto;
}

.detailed-card {
    background-color: var(--gris-fondo);
    padding: 30px 25px;
    border-radius: 15px;
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.detailed-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(10, 61, 98, 0.1);
    background-color: var(--blanco);
    border-color: var(--azul-claro);
}

.service-icon { font-size: 2.5rem; color: var(--azul-claro); margin-bottom: 15px; }
.detailed-card h2 { color: var(--azul-profundo); font-size: 1.4rem; margin-bottom: 15px; }
.detailed-card p { color: var(--gris-oscuro); font-size: 0.95rem; margin-bottom: 20px; line-height: 1.5; flex-grow: 1; }

.service-features { list-style: none; border-top: 1px solid rgba(0,0,0,0.1); padding-top: 15px; }
.service-features li { margin-bottom: 10px; font-size: 0.9rem; color: var(--gris-oscuro); display: flex; align-items: flex-start; }
.service-features li i { color: var(--azul-claro); margin-right: 10px; margin-top: 3px; }

/* =========================================
   5. CTA Y PIE DE PÁGINA (FOOTER)
   ========================================= */
.cta-section { background-color: var(--azul-profundo); color: var(--blanco); text-align: center; padding: 80px 5%; }
.cta-content { max-width: 800px; margin: 0 auto; }
.cta-content h2 { font-size: 2.5rem; margin-bottom: 20px; }
.cta-content p { font-size: 1.1rem; margin-bottom: 40px; opacity: 0.9; }
.cta-btn { background-color: var(--blanco); color: var(--azul-profundo); font-size: 1.1rem; padding: 20px 40px; }
.cta-btn:hover { background-color: var(--azul-claro); color: var(--blanco); }

.footer { background-color: #051b2c; color: #a0b2c1; padding-top: 60px; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 5%; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-logo { max-height: 45px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.footer-col h4 { color: var(--blanco); font-size: 1.2rem; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 40px; height: 3px; background-color: var(--azul-claro); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 15px; display: flex; align-items: center; }
.footer-col ul li i { color: var(--azul-claro); margin-right: 15px; font-size: 1.1rem; }
.footer-col ul a { color: #a0b2c1; text-decoration: none; transition: 0.3s; }
.footer-col ul a:hover { color: var(--azul-claro); padding-left: 5px; }
.footer-bottom { background-color: #03121e; text-align: center; padding: 20px 5%; font-size: 0.9rem; border-top: 1px solid rgba(255,255,255,0.05); }

/* =========================================
   6. RESPONSIVO (MÓVILES Y TABLETS)
   ========================================= */
@media (max-width: 992px) {
    .hero-container { flex-direction: column; text-align: center; padding: 40px 0; }
    .hero-text { margin-bottom: 40px; }
    .hero h1, .hero-text h1 { font-size: 2.5rem; }
    .hero-visual { justify-content: center; }
    .prev, .next { display: none; }
}

@media (max-width: 768px) {
    .detailed-grid { grid-template-columns: 1fr; } /* Una columna en celulares */
    .cta-content h2 { font-size: 2rem; }
    .tech-logos { gap: 40px; }
    .tech-item i { font-size: 3.5rem; }
}

/* =========================================
   7. PÁGINA DE CONTACTO
   ========================================= */
.contact-section {
    padding: 80px 5%;
    background-color: var(--gris-fondo);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr; /* El formulario ocupa un poco más de espacio */
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Columna Izquierda (Info Azul) */
.contact-info {
    background-color: var(--azul-profundo);
    color: var(--blanco);
    padding: 50px 40px;
    border-radius: 15px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.contact-info h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: var(--blanco);
}

.contact-info > p {
    color: #a0b2c1;
    margin-bottom: 40px;
    font-size: 1.05rem;
    line-height: 1.6;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--azul-claro);
    margin-right: 20px;
    margin-top: 5px;
}

.info-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--blanco);
}

.info-item p {
    color: #a0b2c1;
    font-size: 1rem;
}

/* Columna Derecha (Formulario Blanco) */
.contact-form-container {
    background-color: var(--blanco);
    padding: 50px 40px;
    border-radius: 15px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
}

.contact-form-container h2 {
    color: var(--azul-profundo);
    font-size: 2.2rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

/* Dos columnas dentro del formulario para ahorrar espacio */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--azul-profundo);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Estilo de los campos de texto */
.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 8px; /* Bordes suaves */
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background-color: #f9f9f9;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--azul-claro);
    background-color: var(--blanco);
    box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.1); /* Efecto de brillo al escribir */
}

/* Botón de enviar */
.btn-submit {
    width: 100%;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    margin-top: 10px;
}

/* Responsivo para Contacto */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr; /* Una columna en tablets y móviles */
    }
    .form-row {
        grid-template-columns: 1fr; /* Los campos de nombre/correo se apilan */
        gap: 0;
    }
}

/* =========================================
   8. PÁGINA DE EMPRESA (SOBRE NOSOTROS)
   ========================================= */
.about-section {
    padding: 100px 5%;
    background-color: var(--blanco);
}

.about-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 60px;
}

.about-text {
    flex: 1.2;
}

.about-text h2 {
    color: var(--azul-profundo);
    font-size: 2.2rem;
    margin-bottom: 25px;
    line-height: 1.2;
}

.about-text p {
    color: var(--gris-oscuro);
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--gris-fondo);
    padding: 40px;
    border-radius: 20px;
}

.about-image img {
    width: 100%;
    max-width: 450px;
    height: auto;
    filter: drop-shadow(0 15px 25px rgba(0,0,0,0.1));
}

/* Sección de Valores */
.values-section {
    padding: 80px 5%;
    background-color: var(--gris-fondo);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.value-card {
    background-color: var(--blanco);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-top: 5px solid var(--azul-claro);
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(10, 61, 98, 0.1);
}

.value-card i {
    font-size: 3.5rem;
    color: var(--azul-profundo);
    margin-bottom: 20px;
}

.value-card h3 {
    color: var(--azul-profundo);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.value-card p {
    color: var(--gris-oscuro);
    font-size: 1rem;
    line-height: 1.6;
}

/* Responsivo para Empresa */
@media (max-width: 992px) {
    .about-container {
        flex-direction: column;
        text-align: center;
    }
}

/* =========================================
   9. MENÚ RESPONSIVO (HAMBURGUESA)
   ========================================= */
.menu-toggle {
    display: none;
    font-size: 1.8rem;
    color: var(--azul-profundo);
    cursor: pointer;
    transition: 0.3s;
}

.menu-toggle:hover {
    color: var(--azul-claro);
}

@media (max-width: 768px) {
    /* 1. Ocultar la barra azul superior para ahorrar espacio en celular */
    .top-bar {
        display: none;
    }

    /* 2. Mostrar el botón hamburguesa */
    .menu-toggle {
        display: block;
    }

    /* 3. Estilos del menú desplegable */
    .nav-links {
        display: none; /* Oculto por defecto */
        flex-direction: column;
        position: absolute;
        top: 80px; /* Justo debajo del logo */
        left: 0;
        width: 100%;
        background-color: var(--blanco);
        box-shadow: 0 15px 20px rgba(0,0,0,0.1);
        padding: 20px 0;
        z-index: 999;
        text-align: center;
        border-top: 2px solid var(--azul-claro);
    }

    /* Clase que se activa con el Javascript para mostrar el menú */
    .nav-links.active {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }

    /* 4. Separación de los enlaces en el celular */
    .navbar nav a {
        margin: 15px 0;
        font-size: 1.2rem;
        display: block;
    }

    /* 5. Ajustes de textos grandes para que no se salgan de la pantalla */
    .page-header h1 { font-size: 2.2rem; }
    .hero h1, .hero-text h1 { font-size: 2.2rem; }
    .footer-container { text-align: center; }
    .footer-col h4::after { left: 50%; transform: translateX(-50%); } /* Centrar rayita azul del footer */
}