const translations = {

    pt: {

        "nav.home": "Início",
        "nav.about": "Sobre",
        "nav.specialties": "Especialidades",
        "nav.experience": "Experiência",
        "nav.projects": "Projetos",
        "nav.contact": "Contato",

        "hero.badge":
            "Programador Sênior • Backend Engineer • Tech Lead",

        "hero.title":
            "Transformando desafios de negócio em soluções robustas, escaláveis e seguras.",

        "hero.description":
            "Programador Sênior com mais de 15 anos de experiência em desenvolvimento backend, arquitetura de software, cloud computing e liderança técnica.",

        "hero.projects":
            "Ver Projetos",

        "hero.contact":
            "Entrar em Contato",

        "about.title":
            "Sobre Mim",

        "about.description":
            "Ao longo da minha carreira participei da construção e evolução de sistemas corporativos, integrações críticas, automações de processos e plataformas backend voltadas para desempenho, escalabilidade e confiabilidade.",

        "work.title":
            "Como Eu Trabalho",

        "work.architecture.title":
            "Arquitetura",

        "work.architecture.description":
            "Planejamento técnico antes da implementação.",

        "work.scalability.title":
            "Escalabilidade",

        "work.scalability.description":
            "Sistemas preparados para crescimento contínuo.",

        "work.performance.title":
            "Performance",

        "work.performance.description":
            "Eficiência operacional e otimização de recursos.",

        "work.security.title":
            "Segurança",

        "work.security.description":
            "Boas práticas desde a concepção.",

        "work.quality.title":
            "Qualidade",

        "work.quality.description":
            "Código limpo e manutenção simplificada.",

        "metrics.experience":
            "Anos de Experiência",

        "metrics.leadership":
            "Liderança Técnica",

        "metrics.cloud":
            "Oracle Cloud & Azure",

        "metrics.backend":
            "APIs e Sistemas Corporativos",

        "specialties.title":
            "Especialidades",

        "experience.title":
            "Experiência Profissional",

        "specialties.api":
            "APIs REST",

        "specialties.architecture":
            "Arquitetura de Software",

        "specialties.cloud":
            "Cloud Computing",

        "specialties.devops":
            "DevOps",

        "specialties.database":
            "Bancos de Dados",

        "specialties.microservices":
            "Microsserviços",

        "projects.title":
            "Projetos em Destaque",

        "contact.title":
            "Vamos Conversar",

        "contact.description":
            "Disponível para oportunidades profissionais e novos desafios.",

        "stack.title":
            "Stack Tecnológica",

        "timeline.senior.title":
            "Programador Sênior",

        "timeline.senior.description":
            "Desenvolvimento de sistemas corporativos e soluções backend.",

        "timeline.techlead.title":
            "Tech Lead",

        "timeline.techlead.description":
            "Liderança técnica e apoio arquitetural.",

        "timeline.cloud.title":
            "Cloud & DevOps",

        "timeline.cloud.description":
            "Modernização de infraestrutura e automação.",

        "project.sped.title":
            "Sistema de Processamento SPED",

        "project.sped.description":
            "Plataforma responsável pela geração e processamento automatizado de arquivos fiscais SPED.",

        "project.oracle.title":
            "Infraestrutura Oracle Cloud",

        "project.oracle.description":
            "Implementação e gerenciamento de infraestrutura cloud.",

        "project.gitea.title":
            "Servidor Git Privado com Gitea",

        "project.gitea.description":
            "Ambiente Git privado para versionamento e colaboração.",

        "project.api.title":
            "APIs Corporativas",

        "project.api.description":
            "Desenvolvimento de APIs REST utilizando Spring Boot.",

        "footer.role":
            "Senior Software Engineer • Backend Engineer"
    },

    en: {

        "nav.home": "Home",
        "nav.about": "About",
        "nav.specialties": "Specialties",
        "nav.experience": "Experience",
        "nav.projects": "Projects",
        "nav.contact": "Contact",

        "hero.badge":
            "Senior Software Engineer • Backend Engineer • Tech Lead",

        "hero.title":
            "Transforming business challenges into robust, scalable and secure solutions.",

        "hero.description":
            "Senior Software Engineer with over 15 years of experience in backend development, software architecture, cloud computing and technical leadership.",

        "hero.projects":
            "View Projects",

        "hero.contact":
            "Get In Touch",

        "about.title":
            "About Me",

        "about.description":
            "Throughout my career I have contributed to corporate systems, critical integrations, process automation and backend platforms focused on performance, scalability and reliability.",

        "work.title":
            "How I Work",

        "work.architecture.title":
            "Architecture",

        "work.architecture.description":
            "Technical planning before implementation.",

        "work.scalability.title":
            "Scalability",

        "work.scalability.description":
            "Systems designed for continuous growth.",

        "work.performance.title":
            "Performance",

        "work.performance.description":
            "Operational efficiency and resource optimization.",

        "work.security.title":
            "Security",

        "work.security.description":
            "Best practices applied from the very beginning.",

        "work.quality.title":
            "Quality",

        "work.quality.description":
            "Clean code and simplified maintenance.",

        "metrics.experience":
            "Years of Experience",

        "metrics.leadership":
            "Technical Leadership",

        "metrics.cloud":
            "Oracle Cloud & Azure",

        "metrics.backend":
            "APIs and Enterprise Systems",

        "specialties.title":
            "Specialties",

        "experience.title":
            "Professional Experience",

        "specialties.api":
            "REST APIs",

        "specialties.architecture":
            "Software Architecture",

        "specialties.cloud":
            "Cloud Computing",

        "specialties.devops":
            "DevOps",

        "specialties.database":
            "Databases",

        "specialties.microservices":
            "Microservices",

        "projects.title":
            "Featured Projects",

        "contact.title":
            "Let's Talk",

        "contact.description":
            "Available for professional opportunities and new challenges.",

        "stack.title":
            "Technology Stack",

        "timeline.senior.title":
            "Senior Software Engineer",

        "timeline.senior.description":
            "Development of enterprise systems and backend solutions.",

        "timeline.techlead.title":
            "Tech Lead",

        "timeline.techlead.description":
            "Technical leadership and architectural guidance.",

        "timeline.cloud.title":
            "Cloud & DevOps",

        "timeline.cloud.description":
            "Infrastructure modernization and automation.",

        "project.sped.title":
            "SPED Processing Platform",

        "project.sped.description":
            "Platform responsible for the automated generation and processing of SPED tax files.",

        "project.oracle.title":
            "Oracle Cloud Infrastructure",

        "project.oracle.description":
            "Implementation and management of cloud infrastructure.",

        "project.gitea.title":
            "Private Git Server with Gitea",

        "project.gitea.description":
            "Private Git environment for version control and team collaboration.",

        "project.api.title":
            "Enterprise APIs",

        "project.api.description":
            "Development of REST APIs using Spring Boot.",

        "footer.role":
            "Senior Software Engineer • Backend Engineer"
    },

    es: {

        "nav.home": "Inicio",
        "nav.about": "Acerca de",
        "nav.specialties": "Especialidades",
        "nav.experience": "Experiencia",
        "nav.projects": "Proyectos",
        "nav.contact": "Contacto",

        "hero.badge":
            "Programador Senior • Backend Engineer • Tech Lead",

        "hero.title":
            "Transformando desafíos empresariales en soluciones robustas, escalables y seguras.",

        "hero.description":
            "Programador Senior con más de 15 años de experiencia en desarrollo backend, arquitectura de software, cloud computing y liderazgo técnico.",

        "hero.projects":
            "Ver Proyectos",

        "hero.contact":
            "Contactar",

        "about.title":
            "Sobre Mí",

        "about.description":
            "A lo largo de mi carrera participé en sistemas corporativos, integraciones críticas, automatización de procesos y plataformas backend enfocadas en rendimiento, escalabilidad y confiabilidad.",

        "work.title":
            "Cómo Trabajo",

        "work.architecture.title":
            "Arquitectura",

        "work.architecture.description":
            "Planificación técnica antes de la implementación.",

        "work.scalability.title":
            "Escalabilidad",

        "work.scalability.description":
            "Sistemas preparados para un crecimiento continuo.",

        "work.performance.title":
            "Rendimiento",

        "work.performance.description":
            "Eficiencia operativa y optimización de recursos.",

        "work.security.title":
            "Seguridad",

        "work.security.description":
            "Buenas prácticas aplicadas desde la concepción.",

        "work.quality.title":
            "Calidad",

        "work.quality.description":
            "Código limpio y mantenimiento simplificado.",

        "metrics.experience":
            "Años de Experiencia",

        "metrics.leadership":
            "Liderazgo Técnico",

        "metrics.cloud":
            "Oracle Cloud y Azure",

        "metrics.backend":
            "APIs y Sistemas Corporativos",

        "specialties.title":
            "Especialidades",

        "experience.title":
            "Experiencia Profesional",

        "specialties.api":
            "APIs REST",

        "specialties.architecture":
            "Arquitectura de Software",

        "specialties.cloud":
            "Computación en la Nube",

        "specialties.devops":
            "DevOps",

        "specialties.database":
            "Bases de Datos",

        "specialties.microservices":
            "Microservicios",

        "projects.title":
            "Proyectos Destacados",

        "contact.title":
            "Hablemos",

        "contact.description":
            "Disponible para oportunidades profesionales y nuevos desafíos.",

        "stack.title":
            "Stack Tecnológico",

        "timeline.senior.title":
            "Programador Senior",

        "timeline.senior.description":
            "Desarrollo de sistemas empresariales y soluciones backend.",

        "timeline.techlead.title":
            "Tech Lead",

        "timeline.techlead.description":
            "Liderazgo técnico y apoyo arquitectónico.",

        "timeline.cloud.title":
            "Cloud & DevOps",

        "timeline.cloud.description":
            "Modernización de infraestructura y automatización.",

        "project.sped.title":
            "Plataforma de Procesamiento SPED",

        "project.sped.description":
            "Plataforma responsable de la generación y procesamiento automatizado de archivos fiscales SPED.",

        "project.oracle.title":
            "Infraestructura Oracle Cloud",

        "project.oracle.description":
            "Implementación y gestión de infraestructura en la nube.",

        "project.gitea.title":
            "Servidor Git Privado con Gitea",

        "project.gitea.description":
            "Entorno Git privado para control de versiones y colaboración.",

        "project.api.title":
            "APIs Empresariales",

        "project.api.description":
            "Desarrollo de APIs REST utilizando Spring Boot.",

        "footer.role":
            "Senior Software Engineer • Backend Engineer"
    }
};

function applyLanguage(lang) {

    const dictionary =
        translations[lang] || translations.pt;

    document
        .querySelectorAll("[data-i18n]")
        .forEach(element => {

            const key = element.dataset.i18n;

            if (dictionary[key]) {
                element.textContent = dictionary[key];
            }

        });

    document.documentElement.lang = lang;

    localStorage.setItem(
        "portfolio-language",
        lang
    );

    document
        .querySelectorAll("[data-lang]")
        .forEach(button => {

            button.classList.remove("active");

            if (button.dataset.lang === lang) {
                button.classList.add("active");
            }

        });
}

document
    .querySelectorAll("[data-lang]")
    .forEach(button => {

        button.addEventListener("click", () => {
            applyLanguage(button.dataset.lang);
        });

    });

document.addEventListener("DOMContentLoaded", () => {

    const savedLanguage =
        localStorage.getItem(
            "portfolio-language"
        );

    applyLanguage(
        savedLanguage || "pt"
    );

});