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

:root {
    --primary-bg: #0d1117;
    --secondary-bg: #13161c;
    --accent-color: #58a6ff;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --border-color: #21262d;
    --hover-bg: #1c2128;
    --card-bg: #161b22;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

@media (max-width: 768px) {
    body {
        height: auto;
    }
}

.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
    align-items: center;
    gap: 16px;
    z-index: 1000;
}

.mobile-menu-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.2s;
}

.mobile-menu-btn:hover {
    background: var(--bg-hover);
}

.mobile-header h1 {
    font-size: 18px;
    font-weight: 600;
}

.container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--secondary-bg);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.sidebar.active {
    transform: translateX(0);
}

.profile {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
    margin-bottom: 1rem;
    object-fit: cover;
}

.profile h2 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.role {
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-menu {
    list-style: none;
    flex-grow: 1;
}

.nav-menu li {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link:hover {
    background: var(--hover-bg);
    color: var(--accent-color);
    transform: translateX(5px);
}

.nav-link.active {
    background: var(--hover-bg);
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.social-links a {
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

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

/* Menu Toggle (Hamburger) */
.menu-toggle {
    display: none;
    flex-direction: row;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    position: absolute;
    top: 1.5rem;
    right: 1rem;
    z-index: 1000;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Main Content */
.content {
    flex: 1;
    padding: 3rem;
    overflow-y: auto;
}

#content-area {
    max-width: 1200px;
    margin: 0 auto;
}

/* Section Styles */
.section {
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Home Section Styles */
.home-section {
    display: flex;
    flex-direction: row;
    gap: 4rem;
    min-height: 50vh;
    justify-content: center;
    margin-top: 5rem;
}

.hero-content {
    flex: 1;
    justify-content: center;
    /* Centra horizontalmente */
    align-items: center;
    /* Centra verticalmente */
}

.wave {
    display: inline-block;
    animation: wave 2.5s infinite;
    transform-origin: 70% 70%;
}

@keyframes wave {

    0%,
    100% {
        transform: rotate(0deg);
    }

    10%,
    30% {
        transform: rotate(14deg);
    }

    20% {
        transform: rotate(-8deg);
    }

    40% {
        transform: rotate(-4deg);
    }

    50% {
        transform: rotate(10deg);
    }
}


.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.name-highlight {
    background: linear-gradient(135deg, var(--accent-color), #7bb8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-stack {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.separator {
    color: var(--accent-color);
}

.job-title {
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 3rem;
}

.highlight-text {
    color: var(--accent-color);
    font-weight: 600;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    max-width: 700px;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(88, 166, 255, 0.1);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cta-button.primary {
    background: var(--accent-color);
    color: var(--primary-bg);
}

.cta-button.primary:hover {
    background: #7bb8ff;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(88, 166, 255, 0.3);
}

.cta-button.secondary {
    background: transparent;
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.cta-button.secondary:hover {
    background: rgba(88, 166, 255, 0.1);
}

.code-decoration {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    overflow-x: auto;
}

.code-line {
    margin: 0.5rem 0;
    line-height: 1.6;
}

.code-line.indent {
    padding-left: 2rem;
}

.code-comment {
    color: #6e7681;
}

.code-keyword {
    color: #ff7b72;
}

.code-variable {
    color: #79c0ff;
}

.code-property {
    color: #7ee787;
}

.code-string {
    color: #a5d6ff;
}

.code-number {
    color: #79c0ff;
}

.code-boolean {
    color: #ffa657;
}

.about-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem 1rem;
    margin-top: 1rem;
}

.about-intro {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.1), rgba(123, 184, 255, 0.05));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 2rem;
}

.intro-icon {
    font-size: 3rem;
    filter: grayscale(0.3);
}

.intro-text h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.intro-text p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.about-card {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.about-card:hover {
    border-color: var(--accent-color);
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(88, 166, 255, 0.1);
}

.card-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.card-content h4 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.card-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.card-content strong {
    color: var(--accent-color);
    font-weight: 600;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.highlight-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.highlight-icon {
    font-size: 1.5rem;
}

.highlight-header h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.highlight-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.highlight-list li {
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.highlight-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.quote-box {
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.05), rgba(123, 184, 255, 0.02));
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-color);
    border-radius: 8px;
    padding: 1.5rem;
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: var(--accent-color);
    opacity: 0.2;
    position: absolute;
    top: -10px;
    left: 10px;
    font-family: Georgia, serif;
}

.quote-text {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.accent-text {
    color: var(--accent-color);
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

.text-content {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.skill-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 5px 20px rgba(100, 255, 218, 0.1);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.skill-name {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.skill-level {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Experience Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin-top: 2rem;
}

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

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

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 2px solid var(--primary-bg);
}

.timeline-date {
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-title {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.timeline-company {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 0.75rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

@media (max-width: 1400px) {
    .home-section {
        flex-direction: column;
    }
}

@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 5px 20px rgba(100, 255, 218, 0.1);
}

.project-title {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: var(--hover-bg);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--accent-color);
}

.status-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.status-completed {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
}

.sidebar-header {
    border-bottom: 1px solid var(--border);
}

/* Contact Section */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--accent-color);
    transform: translateX(5px);
}

.contact-icon {
    color: var(--accent-color);
    font-size: 1.5rem;
}

.contact-link {
    color: var(--text-primary);
    text-decoration: none;
}

.contact-link:hover {
    color: var(--accent-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        overflow-y: auto;
    }

    .content {
        margin-bottom: 3rem;
    }

    .section {
        margin-top: 3.5rem;
    }

    .mobile-header {
        display: flex;
        border-bottom: 1px solid var(--border-color);
        background: var(--card-bg);
        padding: 0 20px;
        align-items: center;
        gap: 16px;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 60px;
    }

    .home-section {
        flex-direction: column;
    }

    .timeline-item::before {
        left: -2rem;
    }

    .sidebar {
        width: 60%;
        height: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem 1rem;
        position: fixed;
        left: 0;
        bottom: 0;
        z-index: 999;
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .profile {
        padding-top: 3rem;
        margin-bottom: 0;
        border-bottom: none;
    }

    .avatar {
        width: 80px;
        height: 80px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: block;
        flex-direction: column;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        margin-bottom: 0.5rem;
        width: 100%;
    }

    .nav-link {
        padding: 0.75rem 1rem;
        font-size: 1rem;
        text-align: left;
        display: block;
        width: 100%;
    }

    .social-links {
        display: flex;
        gap: 1rem;
        justify-content: center;
        padding-top: 2rem;
        border-top: 1px solid var(--border-color);
    }

    .social-links a {
        color: var(--text-secondary);
        transition: all 0.3s ease;
    }

    .social-links.active {
        display: flex;
    }

    .content {
        padding: 1rem 2.5rem;
        overflow-y: auto;
        height: auto;
    }

    #content-area {
        max-width: 100%;
    }

    h1 {
        font-size: 2rem;
        margin: 0;
    }

    #mobile-menu-toggle i {
        transition: transform 0.2s ease;
        font-size: 1.5rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* Home section responsive */
    .home-section {
        min-height: auto;
        gap: 2rem;
    }

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

    .title-stack {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        font-size: 1.1rem;
        align-items: center !important;
    }

    .separator {
        display: none;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 2rem;
        text-align: justify;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .stat-item {
        padding: 1rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .cta-button {
        justify-content: center;
        width: 100%;
        padding: 0.875rem 1.5rem;
    }

    .code-decoration {
        font-size: 0.7rem;
        padding: 1rem;
        overflow-x: auto;
    }

    .code-line {
        white-space: nowrap;
    }

    /* About section responsive */
    .about-section {
        padding-bottom: 1rem;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-intro {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .intro-icon {
        font-size: 2.5rem;
    }

    .intro-text h3 {
        font-size: 1.3rem;
    }

    .intro-text p {
        font-size: 0.95rem;
    }

    .about-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
        gap: 1rem;
    }

    .card-icon {
        font-size: 2rem;
    }

    .card-content h4 {
        font-size: 1.1rem;
    }

    .card-content p {
        font-size: 0.95rem;
    }

    .about-highlights {
        gap: 1rem;
    }

    .highlight-box {
        padding: 1.25rem;
    }

    .quote-box {
        padding: 1.25rem;
    }

    /* Timeline responsive */
    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item {
        padding-bottom: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .timeline-title {
        font-size: 1.1rem;
    }

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

    /* Skills responsive */
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .skill-card {
        padding: 1.25rem;
    }

    .skill-icon {
        font-size: 2rem;
    }

    /* Projects responsive */
    .project-card {
        padding: 1.5rem;
    }

    .project-title {
        font-size: 1.2rem;
    }

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

    /* Contact responsive */
    .contact-info {
        gap: 1rem;
    }

    .contact-item {
        padding: 0.875rem;
    }

    /* Section title responsive */
    .section-title {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }

    .name-highlight {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }

    .stat-item {
        padding: 0.875rem;
    }

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}