        :root {
            --primary-color: #0c3c84; /* Azul Corporativo */
            --accent-color: #d97706;  /* Dorado Industrial */
            --bg-light: #f8fafc;
            --text-dark: #1e293b;
            --text-muted: #64748b;
            --white: #ffffff;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
        }

        /* Header */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            padding: 20px;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo h1 {
            color: var(--primary-color);
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: 1px;
        }

        /* Hero Banner */
        .hero {
            background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
            color: var(--white);
            text-align: center;
            padding: 60px 20px;
            position: relative;
        }

        .hero h2 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .hero p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto;
        }

        /* Contenedor Principal */
        .container {
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 20px;
        }

        /* SECCIÓN BENEFICIOS CLAVE */
        .benefits-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 25px;
            margin-bottom: 50px;
        }

        @media (max-width: 768px) {
            .benefits-section {
                grid-template-columns: 1fr;
            }
        }

        .benefit-card {
            background-color: var(--white);
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            border-top: 5px solid var(--accent-color);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .benefit-icon {
            background-color: #fef3c7;
            color: var(--accent-color);
            font-size: 1.8rem;
            padding: 15px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .benefit-info h3 {
            color: var(--primary-color);
            font-size: 1.3rem;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .benefit-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* FILTROS DE PROYECTOS */
        .filter-container {
            text-align: center;
            margin-bottom: 30px;
        }

        .filter-btn {
            background-color: var(--white);
            border: 1px solid #cbd5e1;
            color: var(--text-dark);
            padding: 10px 20px;
            margin: 5px;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .filter-btn:hover, .filter-btn.active {
            background-color: var(--primary-color);
            color: var(--white);
            border-color: var(--primary-color);
        }

        /* GRID DE PROYECTOS */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 25px;
            margin-bottom: 60px;
        }

        .project-card {
            background-color: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            border: 1px solid #e2e8f0;
            transition: transform 0.3s ease;
        }

        .project-card:hover {
            transform: translateY(-5px);
        }

        /* Marcador de Imagen */
        .project-img {
            background-color: #cbd5e1;
            height: 200px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: var(--white);
            text-align: center;
            padding: 20px;
            position: relative;
        }

        /* Overlay oscuro sobre la imagen simulada */
        .project-img::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(180deg, rgba(12, 60, 132, 0.4) 0%, rgba(12, 60, 132, 0.8) 100%);
            z-index: 1;
        }

        .project-img i {
            font-size: 2.5rem;
            margin-bottom: 10px;
            z-index: 2;
        }

        .project-img span {
            font-size: 0.85rem;
            text-transform: uppercase;
            font-weight: 600;
            letter-spacing: 1px;
            background-color: var(--accent-color);
            padding: 4px 10px;
            border-radius: 4px;
            z-index: 2;
        }

        .project-details {
            padding: 25px;
        }

        .project-details h4 {
            color: var(--primary-color);
            font-size: 1.25rem;
            margin-bottom: 5px;
            text-transform: uppercase;
        }

        .project-client {
            font-weight: 700;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .project-client i {
            color: var(--accent-color);
        }

        /* SECCIÓN DEL MAPA */
        .map-section {
            background-color: var(--white);
            border-radius: 10px;
            padding: 40px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            margin-bottom: 40px;
            border-left: 5px solid var(--primary-color);
        }

        .map-section h3 {
            color: var(--primary-color);
            font-size: 1.6rem;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .map-container {
            background-color: #e2e8f0;
            height: 350px;
            border-radius: 8px;
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: var(--text-muted);
            border: 2px dashed #94a3b8;
        }

        .map-container i {
            font-size: 3.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        /* Footer */
        footer {
            background-color: var(--primary-color);
            color: var(--white);
            text-align: center;
            padding: 30px;
            font-size: 0.9rem;
        }
