/* Variáveis CSS */
:root {
    /* Cores */
    --primary-color: #3a86ff;
    --primary-hover: #2667cc;
    --secondary-color: #8338ec;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --light-gray: #e9ecef;
    
    /* Tipografia */
    --font-family: 'Poppins', sans-serif;
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semi-bold: 600;
    --font-bold: 700;
    
    /* Espaçamentos */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    
    /* Bordas */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-lg: 1rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Transições */
    --transition: all 0.3s ease;
}

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--dark-color);
    background-color: var(--light-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-semi-bold);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Classes utilitárias */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-xl) 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-xl);
    text-align: center;
    position: relative;
}

.section-title span {
    color: var(--primary-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    font-weight: var(--font-medium);
    transition: var(--transition);
    cursor: pointer;
}

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

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

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

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

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--light-gray);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 100;
    transition: var(--transition);
}

.header.sticky {
    box-shadow: var(--shadow);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

#dark-mode-toggle {
    font-size: 1.25rem;
    color: var(--dark-color);
    transition: var(--transition);
    margin-left: var(--space-sm);
}

#dark-mode-toggle:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 101;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--dark-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding-top: 6rem;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: var(--font-bold);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.hero-title span {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-color);
    margin-bottom: var(--space-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.hero-social {
    display: flex;
    gap: var(--space-md);
}

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

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

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image .image-wrapper {
    position: relative;
    z-index: 2;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

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

.hero-image .decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image .circle {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: rgba(58, 134, 255, 0.1);
}

.hero-image .square {
    position: absolute;
    bottom: -30px;
    left: -30px;
    width: 150px;
    height: 150px;
    background-color: rgba(131, 56, 236, 0.1);
    transform: rotate(45deg);
}

/* About Section */
.about-content {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-text p {
    color: var(--gray-color);
    margin-bottom: var(--space-md);
}

.about-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.info-item span {
    font-weight: var(--font-medium);
    color: var(--primary-color);
}

.about-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.about-skills {
    flex: 1;
    padding: var(--space-lg);
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.skill-bar {
    margin-bottom: var(--space-md);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-xs);
}

.skill-info span:first-child {
    font-weight: var(--font-medium);
}

.skill-info span:last-child {
    color: var(--gray-color);
}

.bar {
    height: 8px;
    background-color: var(--light-gray);
    border-radius: var(--radius);
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.skill-category {
    background-color: white;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    color: var(--primary-color);
}

.skill-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--space-md);
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-radius: var(--radius);
    transition: var(--transition);
}

.skill-item:hover {
    background-color: rgba(58, 134, 255, 0.1);
}

.skill-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(58, 134, 255, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.project-card {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.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(1.1);
}

.project-content {
    padding: var(--space-lg);
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.project-content p {
    color: var(--gray-color);
    margin-bottom: var(--space-md);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.project-tech span {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--light-gray);
    border-radius: 2rem;
    color: var(--gray-color);
}

.project-links {
    display: flex;
    gap: var(--space-md);
}

.projects-more {
    text-align: center;
    margin-top: var(--space-xl);
}

/* Experience Section */
:root {
    --primary-color: #2563eb;       /* Azul vibrante moderno */
    --primary-light: #3b82f6;      /* Azul mais claro */
    --primary-lighter: #93c5fd;    /* Azul claro para detalhes */
    --text-dark: #1f2937;          /* Cinza escuro para texto */
    --text-medium: #4b5563;        /* Cinza médio */
    --text-light: #9ca3af;         /* Cinza claro */
    --bg-light: #f9fafb;           /* Fundo claro */
    --radius-lg: 12px;             /* Bordas mais arredondadas */
    --space-unit: 1rem;            /* Unidade base para espaçamentos */
}

.timeline {
    position: relative;
    max-width: 840px;
    margin: calc(var(--space-unit) * 3) auto;
    padding-left: calc(var(--space-unit) * 2);
}

/* Linha vertical principal */
.timeline::before {
    content: '';
    position: absolute;
    top: 24px;                     /* Começa abaixo do primeiro marcador */
    left: 21px;                    /* Centralizado com os marcadores */
    width: 3px;
    height: calc(100% - 48px);     /* Ajuste para não ultrapassar marcadores */
    background: linear-gradient(to bottom, 
                var(--primary-color), 
                var(--primary-light), 
                var(--primary-lighter));
    border-radius: 3px;
}

/* Item da timeline */
.timeline-item {
    position: relative;
    margin-bottom: calc(var(--space-unit) * 2.5);
    padding-left: calc(var(--space-unit) * 2);
}

/* Marcador circular */
.timeline-marker {
    position: absolute;
    left: -6px;
    top: 4px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: white;
    border: 5px solid var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Ponto central do marcador */
.timeline-marker::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-light);
}

/* Conteúdo da timeline */
.timeline-content {
    background: white;
    padding: calc(var(--space-unit) * 1.5);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-lighter);
    position: relative;
    overflow: hidden;
}

/* Efeito hover moderno */
.timeline-content:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.15);
    border-left-color: var(--primary-color);
}

/* Efeito de brilho sutil */
.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
                rgba(37, 99, 235, 0.03) 0%, 
                rgba(255, 255, 255, 0) 30%);
    pointer-events: none;
}

/* Título do período */
.timeline-period {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: calc(var(--space-unit) * 0.5);
    display: flex;
    align-items: center;
}

.timeline-period::before {
    content: '▹';
    margin-right: 8px;
    color: var(--primary-lighter);
}

/* Cargo/Função */
.timeline-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: calc(var(--space-unit) * 0.5);
}

/* Empresa/Instituição */
.timeline-subtitle {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-medium);
    margin-bottom: calc(var(--space-unit) * 0.75);
    display: flex;
    align-items: center;
}

/* Descrição */
.timeline-description {
    color: var(--text-medium);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-top: calc(var(--space-unit) * 0.5);
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.contact-form {
    flex: 1;
    background-color: white;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: var(--font-medium);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius);
    font-family: inherit;
    transition: var(--transition);
}

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

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

:root {
    --primary-color: #2563eb;       /* Azul vibrante */
    --primary-light: #3b82f6;      /* Azul mais claro */
    --primary-lighter: #93c5fd;    /* Azul claro para detalhes */
    --primary-soft: #e0e7ff;       /* Azul bem suave para fundos */
    --text-dark: #1f2937;          /* Cinza escuro para texto */
    --text-medium: #4b5563;        /* Cinza médio */
    --text-light: #9ca3af;         /* Cinza claro */
    --bg-light: #f9fafb;           /* Fundo claro */
    --radius-lg: 12px;             /* Bordas mais arredondadas */
    --space-unit: 1rem;            /* Unidade base para espaçamentos */
}

.contact-info {
    flex: 1;
    background-color: white;
    padding: calc(var(--space-unit) * 2);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-info:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.12);
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: calc(var(--space-unit) * 1.5);
    color: var(--text-dark);
    position: relative;
    padding-bottom: calc(var(--space-unit) * 0.75);
}

.contact-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
    border-radius: 3px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: calc(var(--space-unit) * 1.25);
    margin-bottom: calc(var(--space-unit) * 1.5);
    padding: calc(var(--space-unit) * 0.75);
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.info-item:hover {
    background-color: var(--primary-soft);
}

.info-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-soft);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.info-item:hover .info-icon {
    transform: scale(1.1);
    background-color: var(--primary-color);
    color: white;
}

.info-content h4 {
    font-size: 1.05rem;
    margin-bottom: calc(var(--space-unit) * 0.25);
    color: var(--text-dark);
    font-weight: 600;
}

.info-content p {
    color: var(--text-medium);
    font-size: 0.9rem;
    line-height: 1.6;
}

.info-content p a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.2s ease;
    border-bottom: 1px dotted transparent;
}

.info-content p a:hover {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

.contact-social {
    display: flex;
    gap: calc(var(--space-unit) * 0.75);
    margin-top: calc(var(--space-unit) * 2);
    flex-wrap: wrap;
}

.contact-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background-color: var(--bg-light);
    color: var(--text-dark);
    transition: all 0.3s ease;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
}

.contact-social a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-social a:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.contact-social a:hover::before {
    opacity: 1;
}

.contact-social a i {
    position: relative;
    z-index: 1;
}

/* Efeito de onda ao clicar */
.contact-social a:active {
    transform: scale(0.95);
}

/* ---- ESTILO PRINCIPAL (ARMONIA CLARA/SOBRIA) ---- */
  .download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: #f8f9fa; /* Fundo claro */
    color: #495057; /* Texto cinza escuro */
    text-decoration: none;
    border-radius: 6px;
    font-family: 'Segoe UI', Roboto, sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid #dee2e6; /* Borda sutil */
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  }

  /* ÍCONE DISCRETO */
  .download-btn i {
    color: #6c757d; /* Cinza médio */
    font-size: 1.1em;
    transition: transform 0.3s;
  }

  /* ---- EFEITOS DE INTERAÇÃO ---- */
  .download-btn:hover {
    background: #e9ecef; /* Tom levemente mais escuro */
    border-color: #adb5bd;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  }

  .download-btn:hover i {
    color: #495057; /* Texto mais escuro no hover */
    transform: translateY(1px);
  }

  /* ESTADO ATIVO */
  .download-btn:active {
    transform: translateY(0);
    background: #dee2e6;
  }

  /* FOCO PARA ACESSIBILIDADE */
  .download-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(108, 117, 125, 0.15);
  }

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: var(--space-xl) 0 0;
}

.footer-content {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    flex: 1;
}

.footer-brand .logo {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: white;
}

.footer-brand p {
    color: var(--light-gray);
    max-width: 300px;
}

.footer-links {
    flex: 2;
    display: flex;
    gap: var(--space-xl);
}

.footer-column {
    flex: 1;
}

.footer-column h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-column a {
    color: var(--light-gray);
    transition: var(--transition);
}

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

.footer-bottom {
    padding: var(--space-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--light-gray);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-md);
}

.footer-legal a {
    color: var(--light-gray);
    font-size: 0.875rem;
    transition: var(--transition);
}

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

/* Dark Mode CSS (assets/css/dark-mode.css) */
[data-theme="dark"] {
    --dark-color: #f8f9fa;
    --light-color: #212529;
    --gray-color: #adb5bd;
    --light-gray: #343a40;
}

[data-theme="dark"] .header {
    background-color: rgba(33, 37, 41, 0.95);
}

[data-theme="dark"] .hero-image .circle {
    background-color: rgba(58, 134, 255, 0.2);
}

[data-theme="dark"] .hero-image .square {
    background-color: rgba(131, 56, 236, 0.2);
}

[data-theme="dark"] .about-skills,
[data-theme="dark"] .skill-category,
[data-theme="dark"] .project-card,
[data-theme="dark"] .timeline-content,
[data-theme="dark"] .contact-form,
[data-theme="dark"] .contact-info {
    background-color: #2b3035;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .skill-item:hover,
[data-theme="dark"] .project-card:hover,
[data-theme="dark"] .timeline-content:hover {
    background-color: #343a40;
}

[data-theme="dark"] #dark-mode-toggle {
    color: var(--dark-color);
}

[data-theme="dark"] .hamburger span {
    background-color: var(--dark-color);
}

/* Animations CSS (assets/css/animations.css) */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(30px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.section {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease forwards;
}

.section:nth-child(1) { animation-delay: 0.1s; }
.section:nth-child(2) { animation-delay: 0.2s; }
.section:nth-child(3) { animation-delay: 0.3s; }
.section:nth-child(4) { animation-delay: 0.4s; }
.section:nth-child(5) { animation-delay: 0.5s; }

.project-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.skill-item {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.timeline-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Responsividade */
@media (max-width: 1024px) {
    .hero .container,
    .about-content,
    .contact-content {
        flex-direction: column;
    }
    
    .hero-image {
        order: -1;
        margin-bottom: var(--space-xl);
    }
    
    .timeline::before {
        left: 0;
    }
    
    .timeline-item {
        padding-left: var(--space-md);
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-lg) 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: white;
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem var(--space-md);
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    [data-theme="dark"] .nav-links {
        background-color: #2b3035;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-buttons,
    .about-actions {
        flex-direction: column;
    }
    
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}