:root {
            --faske-blue: #002B5C; /* Azul del logo */
            --faske-yellow: #FFC400; /* Amarillo del logo */
            --light-bg: #F8F9FA;
            --white: #FFFFFF;
            --text-dark: #1A1A1A;
            --text-gray: #555555;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Roboto', sans-serif; color: var(--text-dark); line-height: 1.6; overflow-x: hidden; }
        h1, h2, h3 { font-family: 'Montserrat', sans-serif; }

        /* HEADER & LOGO */
        header {
            background: var(--white);
            padding: 15px 8%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0px 2px 15px rgba(0,0,0,0.2);
        }
        .logo-container { display: flex; align-items: center; gap: 10px; }

        nav a { text-decoration: none; color: var(--faske-blue); font-weight: 700; margin-left: 8px; font-size: 0.85rem; text-transform: uppercase; transition: 0.3s; }
        nav a:hover { color: var(--faske-yellow); }

        /* HERO SECTION */
        .hero {
            height: 85vh;
            background: linear-gradient(rgba(0,43,92,0.85), rgba(0,43,92,0.7)), url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&q=80&w=1600');
            background-size: cover; background-position: center;
            display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; color: var(--white); padding: 0 20px;
        }
        .hero h1 { font-size: 3.5rem; margin-bottom: 10px; border-left: 8px solid var(--faske-yellow); padding-left: 20px; }
        .hero p { font-size: 1.2rem; margin-bottom: 30px; max-width: 700px; font-weight: 300; }
        .btn-yellow { background: var(--faske-yellow); color: var(--faske-blue); padding: 18px 40px; text-decoration: none; font-weight: 800; border-radius: 4px; transition: 0.3s; }
        .btn-yellow:hover { background: var(--white); transform: translateY(-3px); }

        /* SECTION STYLES */
        section { padding: 100px 8%; }
        .section-title { font-size: 2.2rem; color: var(--faske-blue); margin-bottom: 50px; text-align: center; }
        .section-title span { color: var(--faske-yellow); }

        /* SERVICIOS GRID */
        .grid-services { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .service-card { background: var(--white); border: 1px solid #eee; transition: 0.3s; position: relative; overflow: hidden; }
        .service-card:hover { border-color: var(--faske-yellow); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
        .service-img { width: 100%; height: 220px; background: #ddd; object-fit: cover; }
        .service-content { padding: 25px; }
        .service-content h3 { color: var(--faske-blue); margin-bottom: 10px; font-size: 1.1rem; }
        .service-content p { font-size: 0.9rem; color: var(--text-gray); }

        /* OPERACIONES / CALIDAD */
        .quality-section { background: var(--faske-blue); color: white; }
        .quality-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; }
        .quality-item h3 { color: var(--faske-yellow); margin-bottom: 20px; font-size: 1.2rem; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 10px; }
        .quality-list { list-style: none; }
        .quality-list li { margin-bottom: 8px; font-size: 0.85rem; display: flex; align-items: center; }
        .quality-list li::before { content: '▶'; color: var(--faske-yellow); font-size: 0.6rem; margin-right: 10px; }

        /* INFRAESTRUCTURA */
        .sites-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
        .site-card { background: #f1f1f1; padding: 30px; border-radius: 5px; }
        .site-card h4 { color: var(--faske-blue); margin-bottom: 10px; }
        .map-box { height: 200px; background: #ccc; margin-top: 15px; border-radius: 4px; overflow: hidden; }
        iframe { width: 100%; height: 100%; border: 0; grayscale: 100%; }   

        /* CLIENTES */
        .client-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; align-items: center; }
        .client-logo img { height: 90px; filter: grayscale(100%); opacity: 0.6; transition: 0.3s; }
        .client-logo img:hover { filter: grayscale(0%); opacity: 1; }

        /* EMPRESA */
        .mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 40px; }
        .mv-card { border: 1px solid #ddd; padding: 30px; border-top: 5px solid var(--yellow); }
        .history-text { max-width: 800px; margin: 0 auto 50px; text-align: center; }


        /* COTIZADOR & CONTACTO */
        .contact-container { display: grid; grid-template-columns: 1.5fr 1fr; gap: 50px; background: white; padding: 40px; border-radius: 8px; box-shadow: 0 20px 50px rgba(0,0,0,0.1); }
        .quote-tabs { display: flex; margin-bottom: 25px; border-bottom: 2px solid #eee; }
        .tab-link { padding: 15px 25px; cursor: pointer; font-weight: 700; border: none; background: none; color: var(--text-gray); }
        .tab-link.active { color: var(--faske-blue); border-bottom: 3px solid var(--faske-yellow); }
        
        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
        .form-group { display: flex; flex-direction: column; }
        label { font-size: 0.8rem; font-weight: 700; margin-bottom: 5px; color: var(--faske-blue); }
        input, select, textarea { padding: 12px; border: 1px solid #ddd; border-radius: 4px; font-family: inherit; }
        .full-width { grid-column: span 2; }
        .btn-submit { background: var(--faske-blue); color: white; padding: 15px; border: none; border-radius: 4px; font-weight: 700; cursor: pointer; margin-top: 20px; }

        .direct-contact { background: var(--faske-blue); color: white; padding: 40px; border-radius: 8px; }
        .direct-contact h3 { color: var(--faske-yellow); margin-bottom: 20px; }
        .contact-method { margin-bottom: 25px; }
        .contact-method p { font-size: 0.9rem; opacity: 0.8; }
        .contact-method strong { font-size: 1.1rem; display: block; margin-top: 5px; }

        /* WHATSAPP */
        .whatsapp-btn { position: fixed; bottom: 30px; right: 30px; background: #25D366; color: white; width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 30px; text-decoration: none; box-shadow: 0 5px 15px rgba(0,0,0,0.2); z-index: 1000; }

        footer { background: #002B5C; color: white; padding: 50px 8%; text-align: center; border-top: 4px solid var(--faske-yellow); }

        @media (max-width: 900px) {
            .contact-container { grid-template-columns: 1fr; }
            .hero h1 { font-size: 2.2rem; }
        }