:root {
    --primary: #3a86ff;
    --secondary: #8338ec;
    --dark: #0d1b2a;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-dark: #343a40;
    --gray-light: #e9ecef;
    --success: #38b000;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
}

.dark-mode {
    --primary: #4895ff;
    --secondary: #955aed;
    --dark: #f8f9fa;
    --light: #121212;
    --gray: #adb5bd;
    --gray-dark: #ced4da;
    --gray-light: #212529;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--secondary);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn:hover {
    background: var(--secondary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

section {
    padding: 80px 0;
    scroll-margin-top: 80px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--light);
    /*box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);*/
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
}

.nav-links {
    display: flex;
    justify-content: center;
    flex: 1;
    gap: 2rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem; /* espaço entre o seletor e o botão */
}

.language-switcher {
    display: flex;
    align-items: center;
}

.language-switcher select {
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    border: 1px solid #444;
    background: transparent;
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.theme-toggle, .mobile-menu {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--dark);
    display:flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover, .mobile-menu:hover {
    color: var(--primary);
}

.mobile-menu {
    display: none;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    right: -300px;
    width: 250px;
    height: 100%;
    background-color: var(--light);
    z-index: 1001;
    padding: 80px 20px 20px;
    transition: var(--transition);
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.sidebar.active {
    right: 0;
}

.sidebar-links {
    list-style: none;
}

.sidebar-links li {
    margin-bottom: 15px;
}

.sidebar-links a {
    display: block;
    padding: 10px;
    color: var(--dark);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.sidebar-links a:hover {
    background-color: var(--gray-light);
    color: var(--primary);
}

.close-sidebar {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--dark);
}

.sidebar-social {
    margin-top: auto;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.sidebar-social a {
    color: var(--dark);
    font-size: 1.2rem;
    transition: var(--transition);
}

.sidebar-social a:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-content {
    max-width: 700px;
}

.hero-greeting {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.hero-title {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.hero-cta {
    display: flex;
    gap: 15px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

.hero-shape {
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: var(--gradient);
    border-radius: 50%;
    opacity: 0.095;
    z-index: -1;
}

/* About Section */
.about {
    position: relative;
}

.about-shape {
    position: absolute;
    top: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: var(--gradient);
    border-radius: 50%;
    opacity: 0.09;
    z-index: -1;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-content h3 {
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.about-content h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient);
    border-radius: 1.5px;
}

.about-text {
    margin-bottom: 30px;
}

.skills-container {
    margin-bottom: 30px;
}

.skills-title {
    margin-bottom: 15px;
    font-weight: 600;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    transition: var(--transition);
}

.skill-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.skill-item i {
    font-size: 1rem;
    color: var(--primary);
}

.timeline {
    margin-top: 40px;
}

.timeline-container {
    position: relative;
    padding-left: 30px;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: var(--gray-light);
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid var(--light);
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 5px;
}

.timeline-title {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.timeline-location {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 10px;
}

.timeline-description {
    font-size: 0.95rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: 20px;
}

.project-title {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.project-description {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: var(--gray);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-tag {
    padding: 5px 10px;
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    transition: var(--transition);
}

.project-tag:hover {
    background: var(--gradient);
    color: white;
}

.project-links {
    display: flex;
    justify-content: space-between;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Resume Section */
.resume-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
}

.resume-actions {
    background-color: var(--gray-light);
    padding: 30px;
    border-radius: var(--border-radius);
    height: fit-content;
}

.resume-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    width: 100%;
}

.resume-sections {
    list-style: none;
}

.resume-sections li {
    margin-bottom: 10px;
}

.resume-sections a {
    display: block;
    padding: 10px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.resume-sections a:hover, .resume-sections a.active {
    background-color: var(--gray-light);
    color: var(--primary);
}

.resume-content {
    background-color: var(--light);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--gray-light);
}

.resume-section {
    padding: 30px;
    display: none;
}

.resume-section.active {
    display: block;
}

.resume-section h3 {
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.resume-section h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient);
    border-radius: 1.5px;
}

.certificate-card {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding: 20px;
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.certificate-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.certificate-logo {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-logo img {
    width: 80%;
    height: auto;
}

.certificate-title {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.certificate-issuer {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 5px;
}

.certificate-date {
    font-size: 0.8rem;
    color: var(--gray);
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.blog-card {
    background-color: var(--light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-content {
    padding: 20px;
}

.blog-date {
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 10px;
}

.blog-title {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.blog-excerpt {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: var(--gray);
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.blog-tag {
    padding: 5px 10px;
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    transition: var(--transition);
}

.blog-tag:hover {
    background: var(--gradient);
    color: white;
}

.blog-link {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info h3 {
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.contact-info h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient);
    border-radius: 1.5px;
}

.contact-text {
    margin-bottom: 30px;
}

.contact-social {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--gray-light);
    border-radius: 50%;
    color: var(--dark);
    font-size: 1.2rem;
    transition: var(--transition);
}

.contact-social a:hover {
    background: var(--gradient);
    color: white;
    transform: translateY(-3px);
}

.contact-quote {
    padding: 20px;
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
    font-style: italic;
    margin-top: 40px;
}

.contact-form {
    background-color: var(--light);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-light);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    background-color: var(--light);
    color: var(--dark);
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.2);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    width: 100%;
}

/* Footer */
footer {
    background-color: var(--gray-light);
    padding: 30px 0;
    text-align: center;
}

.footer-content {
    max-width: 500px;
    margin: 0 auto;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.footer-text {
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-social a {
    color: var(--dark);
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--dark);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--gray);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.4rem;
    }

    .about-container, .resume-container {
        grid-template-columns: 1fr;
    }

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }

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

    .header-actions {
        display: flex;
        align-items: center;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .mobile-menu {
        display: inline-flex;
        font-size: 1.5rem;
        cursor: pointer;
        order: 1;
  }

    /* idioma fica no canto esquerdo */
    .language-switcher {
        order: 1;
    }

    .theme-toggle {
        order: 1;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 1rem;
        order: 2;
        margin-left: auto;
    }

    .hero-content {
        text-align: center;
        margin: 0 auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-title {
        font-size: 2rem;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        margin-bottom: 40px;
    }

    .projects-grid, .blog-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .project-card, .blog-card {
        margin: 0 auto;
    }

    .timeline-title {
        font-size: 1rem;
    }

    .skill-item {
        font-size: 0.8rem;
    }
}

#form-status {
    margin-top: 15px;
    display: none;
}

#form-status .sending {
    color: #007bff;
}

#form-status .success {
    color: #28a745;
}

#form-status .error {
    color: #dc3545;
}