/* ==========================================
   1. VARIABLES Y CONFIGURACIÓN BASE
   ========================================== */
:root {
    --primary-color: #0f172a;   /* Azul oscuro / Corporativo y serio */
    --accent-color: #2563eb;    /* Azul tecnológico / Modernidad */
    --text-color: #334155;      /* Gris oscuro para legibilidad */
    --light-bg: #f8fafc;        /* Fondo claro grisáceo */
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-color);
    background-color: var(--white);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 0;
}

/* Botones genéricos */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
}

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

.btn-accent:hover {
    background-color: #e2e8f0;
}

/* ==========================================
   2. NAVBAR / NAVEGACIÓN
   ========================================== */
.navbar {
    background-color: var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar .container {
    padding: 20px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-kore { color: var(--white); }
.logo-systems { color: var(--accent-color); }

.nav-menu a {
    color: #94a3b8;
    text-decoration: none;
    margin-left: 24px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--white);
}

.nav-menu .btn-nav {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 4px;
}

.nav-menu .btn-nav:hover {
    background-color: #1d4ed8;
}

/* ==========================================
   3. HERO SECTION (Mejorado con Flex y Contenedor de Imagen)
   ========================================== */
.hero {
    background-color: var(--primary-color);
    color: var(--white);
    overflow: hidden;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-text .highlight {
    color: var(--accent-color);
}

.hero-text p {
    font-size: 1.15rem;
    color: #94a3b8;
    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

/* ==========================================
   4. SECCIÓN SERVICIOS (Grid Layout)
   ========================================== */
.services {
    background-color: var(--light-bg);
}

.section-title-global {
    text-align: center;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* ==========================================
   5. SECCIÓN BENEFICIOS
   ========================================== */
.benefits-container {
    display: flex;
    justify-content: space-between;
    gap: 50px;
}

.benefits-text {
    flex: 1;
}

.benefits-text h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.benefits-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.benefit-item {
    display: flex;
    gap: 20px;
}

.benefit-icon {
    font-size: 2.5rem;
    color: #10b981;
}

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

/* ==========================================
   6. SECCIÓN CONTACTO
   ========================================== */
.contact {
    background-color: var(--white);
}

.contact-container {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-info h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-form-container {
    flex: 1;
    background-color: var(--light-bg);
    padding: 40px;
    border-radius: 8px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input, 
.form-group textarea {
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.btn-block {
    width: 100%;
    border: none;
}

/* ==========================================
   7. FOOTER Y CONFIGURACIÓN GENERAL
   ========================================== */
.footer {
    background-color: #020617;
    color: #64748b;
    text-align: center;
    border-top: 1px solid #1e293b;
}

.footer .container {
    padding: 30px 0;
}

/* ==========================================
   8. NUEVOS COMPONENTES: GRID DE TESTIMONIOS, IMÁGENES Y CHECKBOXES
   ========================================== */
.testimonios-section {
    background-color: var(--light-bg);
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 40px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    position: relative;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.quote-icon {
    color: var(--accent-color);
    font-size: 2.5rem;
    opacity: 0.2;
    position: absolute;
    top: 20px;
    right: 20px;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-color);
    margin-bottom: 20px;
    line-height: 1.7;
}

.testimonial-profile {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-color);
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    color: var(--primary-color);
}

.testimonial-author span {
    color: #64748b;
    font-size: 0.9rem;
}

/* Checkboxes del Formulario */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
    background: var(--white);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #cbd5e1;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-color);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
}

.contact-badges {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-badges .badge {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--primary-color);
}

.contact-badges .badge span {
    color: #10b981;
}

/* Estilos de adaptabilidad para las imágenes */
.img-responsive {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ==========================================
   9. MEDIA QUERIES (Responsividad Móvil)
   ========================================== */
@media (max-width: 768px) {
    .container {
        padding: 40px 0;
        width: 92%;
    }
    
    .nav-container, 
    .hero-container, 
    .benefits-container, 
    .contact-container {
        flex-direction: column;
        text-align: center;
    }

    .hero-container {
        flex-direction: column-reverse; /* La imagen baja y el título queda arriba en móvil */
    }

    .nav-menu {
        margin-top: 20px;
    }
    
    .nav-menu a {
        margin: 0 10px;
    }
}