:root {
    --primary-color: #0366d6;
    --primary-color-dark: #0353b4; /* Cor para hover do botão */
    --primary-color-translucent: rgba(3, 102, 214, 0.4); /* Cor para sombra do foco */
    --bg-color: #ffffff;
    --bg-color-secondary: #f6f8fa;
    --text-color: #24292e;
    --card-bg: #ffffff;
    --border-color: #e1e4e8;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --skeleton-color: #f0f0f0;
    --skeleton-shine: #f8f8f8;
    --org-badge-bg: #2ea44f;
    --header-bg: #ffffff;
    --footer-bg: #f6f8fa;
}

.dark-theme {
    --primary-color: #58a6ff;
    --primary-color-dark: #2f81f7;
    --primary-color-translucent: rgba(88, 166, 255, 0.4);
    --bg-color: #0d1117;
    --bg-color-secondary: #0d1117;
    --text-color: #c9d1d9;
    --card-bg: #161b22;
    --border-color: #30363d;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --skeleton-color: #161b22;
    --skeleton-shine: #1c2128;
    --org-badge-bg: #238636;
    --header-bg: #161b22;
    --footer-bg: #0d1117;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

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

.container {
    max-width: 1200px;
    margin: 80px auto 0;
    padding: 2rem;
}

.theme-toggle {
    z-index: 1000;
}

.theme-toggle button {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.theme-toggle button:hover {
    background-color: var(--border-color);
}

.profile-section {
    margin-bottom: 3rem;
}

.profile-header {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.avatar-container {
    flex-shrink: 0;
}

.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
}

.profile-info {
    flex-grow: 1;
}

.profile-info h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.profile-info p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.location-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    color: var(--text-color);
    transition: color 0.3s;
}

.social-icon:hover {
    color: var(--primary-color);
}

.about-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.about-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.about-section p {
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.experience-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.experience-section h2 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-align: center;
}

.experience-item {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.experience-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.experience-header h3 {
    font-size: 1.3rem;
    color: var(--text-color);
}

.experience-period {
    background-color: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

.experience-company {
    margin-bottom: 1rem;
}

.experience-company span {
    font-weight: bold;
    color: var(--primary-color);
}

.experience-description p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.experience-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.experience-skills li {
    list-style: none;
    background-color: var(--bg-color-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.education-section h3 {
    margin-bottom: 1rem;
    margin-top: 0.4rem;
}

.education-item {
    display: flex;
    justify-content: space-between;
}

.education-logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.languages-section {
    margin-bottom: 3rem;
}

.languages-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.languages-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 6em;
    flex-wrap: wrap;
}

.language-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.language-item img {
    width: 100px;
    height: 100px;
}

.language-item span {
    color: var(--text-color);
    font-size: 1.1rem;
}

.search-section {
    margin-bottom: 2rem;
}

.search-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.search-input {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    color: var(--text-color);
}

.language-filter {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    color: var(--text-color);
}

.repositories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

#title-repositories {
    color: var(--primary-color);
}

.repository-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.repository-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.repository-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.org-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background-color: var(--org-badge-bg);
    color: white;
    border-radius: 12px;
    font-weight: normal;
}

.repository-card p {
    margin-bottom: 1rem;
    color: var(--text-color);
    flex-grow: 1;
}

.repository-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    margin-top: auto;
}

.language-tag {
    display: flex;
    margin-top: 0.2em;
    align-items: center;
    gap: 0.25rem;
}

.language-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}


.load-more-btn {
    display: block;
    width: 200px;
    margin: 2rem auto;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.load-more-btn:hover {
    background-color: var(--primary-color-dark);
}

.footer {
    background-color: var(--footer-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

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

.skeleton {
    animation: pulse 1.5s infinite;
}

.skeleton-text {
    height: 1em;
    background-color: var(--skeleton-color);
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

@keyframes pulse {
    0% {
        background-color: var(--skeleton-color);
    }

    50% {
        background-color: var(--skeleton-shine);
    }

    100% {
        background-color: var(--skeleton-color);
    }
}

/* === ESTILOS DA SEÇÃO DE CONTATO ATUALIZADOS === */
.contact-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow-color);
    text-align: center;
}

.contact-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-section p {
    color: var(--text-color);
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    background-color: var(--bg-color-secondary);
    color: var(--text-color);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px var(--primary-color-translucent);
}

.submit-btn {
    padding: 1rem;
    border: none;
    border-radius: 5px;
    background-color: var(--primary-color);
    color: white;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

.submit-btn:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .logo {
        display: flex;
    }

    .theme-toggle {
        display: block;
    }

    .nav-links {
        display: none;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--header-bg);
        border-bottom: 1px solid var(--border-color);
        padding: 1rem 2rem;
        z-index: 999;
    }

    .mobile-menu-button {
        background: none;
        border: none;
        color: var(--text-color);
        cursor: pointer;
        padding: 0.5rem;
        border-radius: 50%;
        transition: background-color 0.3s;
    }

    .mobile-menu-button:hover {
        background-color: var(--border-color);
    }

    .about-section {
        text-align: center;
    }

    .education-item {
        display: flex;
        flex-direction: column;
    }

    .profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .stats {
        justify-content: center;
        flex-wrap: wrap;
    }

    .social-links {
        align-items: center;
    }

    .search-container {
        flex-direction: column;
    }

    .repositories-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .languages-grid {
        gap: 2rem;
    }

    .language-item img {
        width: 80px;
        height: 80px;
    }

    .container h2 {
        text-align: center;
    }

    .repository-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .repository-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .experience-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .experience-period {
        align-self: flex-start;
    }
    
    .experience-skills {
        justify-content: flex-start;
    }
}

@media (min-width: 769px) {
    .mobile-menu-button { 
        display: none;
    }
}

.form-message {
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}