/* VARIABLES DE DISEÑO
           Definición de la paleta de colores corporativa y tipografía
        */
        :root {
            --azul-rey: #0033A0;
            --azul-oscuro: #00267a;
            --naranja: #FF6600;
            --naranja-hover: #e65c00;
            --blanco: #FFFFFF;
            --gris-claro: #f4f7f6;
            --texto-oscuro: #333333;
            --transicion: all 0.3s ease;
        }

        /* RESET & BASE */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--texto-oscuro);
            line-height: 1.6;
            background-color: var(--blanco);
        }

        h1, h2, h3, .logo {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
        }

        ul {
            list-style: none;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transicion);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* HEADER & NAVEGACIÓN */
        header {
            background-color: var(--azul-rey);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        .logo {
            color: var(--blanco);
            font-size: 1.8rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo span {
            color: var(--naranja);
        }

        .nav-links {
            display: flex;
            gap: 2rem;
        }

        .nav-links a {
            color: var(--blanco);
            font-weight: 600;
            font-size: 0.95rem;
            text-transform: uppercase;
        }

        .nav-links a:hover {
            color: var(--naranja);
        }

        .cta-header {
            background-color: var(--naranja);
            color: var(--blanco) !important;
            padding: 0.6rem 1.2rem;
            border-radius: 5px;
        }

        .cta-header:hover {
            background-color: var(--naranja-hover);
            transform: translateY(-2px);
        }

        .menu-toggle {
            display: none;
            color: var(--blanco);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* HERO SECTION */
        .hero {
            background: linear-gradient(rgba(0, 51, 160, 0.8), rgba(0, 51, 160, 0.8)), 
                        url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--blanco);
        }

        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        .hero-content p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-primary {
            background-color: var(--naranja);
            color: var(--blanco);
            padding: 1rem 2.5rem;
            border-radius: 5px;
            font-weight: 700;
            display: inline-block;
            font-size: 1.1rem;
            box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
        }

        .btn-primary:hover {
            background-color: var(--naranja-hover);
            transform: scale(1.05);
        }

        /* SECCIONES COMUNES */
        section {
            padding: 5rem 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--azul-rey);
            margin-bottom: 10px;
        }

        .section-title .underline {
            width: 80px;
            height: 4px;
            background-color: var(--naranja);
            margin: 0 auto;
        }

        /* SOBRE NOSOTROS */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 20px 20px 0 var(--naranja);
             max-height: 400px; /* limita altura */
    object-fit: cover; /* recorta proporcionalmente la imagen */
        }

        .about-text p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        /* SERVICIOS */
        .services-bg {
            background-color: var(--gris-claro);
        }

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

        .service-card {
            background: var(--blanco);
            padding: 3rem 2rem;
            border-radius: 10px;
            text-align: center;
            transition: var(--transicion);
            border-bottom: 5px solid transparent;
        }

        .service-card:hover {
            transform: translateY(-10px);
            border-bottom-color: var(--naranja);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        .service-card i {
            font-size: 3rem;
            color: var(--azul-rey);
            margin-bottom: 1.5rem;
        }

        .service-card h3 {
            color: var(--naranja);
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }

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

        .testimonial-item {
            padding: 2rem;
            border: 1px solid #ddd;
            border-radius: 10px;
            position: relative;
        }

        .testimonial-item p {
            font-style: italic;
            margin-bottom: 1rem;
        }

        .author {
            font-weight: 700;
            color: var(--azul-rey);
        }

        .stars {
            color: #FFD700;
            margin-bottom: 10px;
        }

        /* CONTACTO */
        .contact-flex {
            display: flex;
            gap: 4rem;
            background: var(--azul-rey);
            padding: 4rem;
            border-radius: 15px;
            color: var(--blanco);
        }

        .contact-info {
            flex: 1;
            padding: 3rem;
            text-align: center;
            
        }

        .contact-info h3 {
            font-size: 2rem;
           margin-bottom: 1.9rem;
            color: var(--naranja);
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 1.9rem;
            font-size: 1.1rem;
            margin-top: 30px;
            justify-content: center;
        }

        .info-item i {
            color: var(--naranja);
            font-size: 1.5rem;
            
        }

        .contact-form {
            flex: 1.5;
            background: var(--blanco);
            padding: 2.5rem;
            border-radius: 10px;
            color: var(--texto-oscuro);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .form-group input, .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-family: inherit;
        }

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

        .btn-submit {
            background-color: var(--naranja);
            color: var(--blanco);
            border: none;
            padding: 1rem 2rem;
            width: 100%;
            border-radius: 5px;
            font-weight: 700;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transicion);
        }

        .btn-submit:hover {
            background-color: var(--naranja-hover);
        }

        /* FOOTER */
        footer {
            background-color: #001f61;
            color: var(--blanco);
            padding: 4rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-col h4 {
            color: var(--naranja);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-links a {
            background: rgba(255,255,255,0.1);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .social-links a:hover {
            background: var(--naranja);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
        }

        /* RESPONSIVIDAD */
        @media (max-width: 992px) {
            .about-grid, .contact-flex {
                flex-direction: column;
                grid-template-columns: 1fr;
                gap: 2rem;

            }
            .hero-content h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none; /* Sería implementado con JS para menú hamburguesa */
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--azul-rey);
                flex-direction: column;
                padding: 2rem;
                text-align: center;
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .contact-flex {
                padding: 2rem;
            }
        }