/* ===================================================================
   PORTFÓLIO - ALEXSEY SILVA
   Arquivo CSS organizado por seções correspondentes ao HTML
   =================================================================== */

/* ===================================================================
   SEÇÃO 1: VARIÁVEIS CSS
   =================================================================== */

/* ----- Tema Escuro (Padrão) ----- */
:root {
    /* Cores principais - tema escuro */
    --space-gray: #2a2a2a;
    --tech-blue: #0066ff;
    --tech-black: #f5f5f5;
    --light-gray: #1a1a1a;
    --white: #0a0a0a;
    --tech-blue-light: #4d9aff;
    --tech-blue-dark: #0052cc;
    --space-gray-light: #404040;
    --space-gray-dark: #1a1a1a;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--tech-blue) 0%, var(--tech-blue-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--tech-black) 0%, var(--space-gray) 100%);
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Bordas e sombras */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Transições */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

/* ----- Tema Claro ----- */
:root:not([data-theme]) {
    --space-gray: #2a2a2a;
    --tech-blue: #0066ff;
    --tech-black: #0a0a0a;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --tech-blue-light: #3385ff;
    --space-gray-light: #404040;
    --space-gray-dark: #1a1a1a;
}

/* ----- Ajustes de Cores para Tema Claro ----- */
:root:not([data-theme]) .descricao-hero,
:root:not([data-theme]) .hero-description {
    color: rgba(0, 0, 0, 0.8);
}

:root:not([data-theme]) .texto-sobre p,
:root:not([data-theme]) .about-text p {
    color: #000000;
}

:root:not([data-theme]) .item-estatistica p,
:root:not([data-theme]) .stat-item p {
    color: #000000;
}

:root:not([data-theme]) .titulo-secao,
:root:not([data-theme]) .section-title {
    color: #000000;
}

:root:not([data-theme]) .titulo-categoria,
:root:not([data-theme]) .category-title {
    color: #000000;
}

:root:not([data-theme]) .item-habilidade span,
:root:not([data-theme]) .skill-item span {
    color: #000000;
}

:root:not([data-theme]) .titulo-projeto,
:root:not([data-theme]) .project-title {
    color: #000000;
}

:root:not([data-theme]) .descricao-projeto,
:root:not([data-theme]) .project-description {
    color: rgba(0, 0, 0, 0.8);
}

:root:not([data-theme]) .item-contato p,
:root:not([data-theme]) .contact-item p {
    color: #000000;
}

:root:not([data-theme]) .subtitulo-secao,
:root:not([data-theme]) .section-subtitle {
    color: rgba(0, 0, 0, 0.7);
}

/* ===================================================================
   SEÇÃO 2: RESET CSS E ESTILOS BASE
   =================================================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--tech-black);
    background-color: var(--white);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===================================================================
   SEÇÃO 3: CLASSES UTILITÁRIAS
   =================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
}

.titulo-secao, .section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin: 0 auto var(--spacing-lg) auto;
    color: var(--tech-black);
    position: relative;
    display: inline-block;
    width: auto;
}

.titulo-secao::after,
.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--space-gray);
    border-radius: 2px;
}

.subtitulo-secao, .section-subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--space-gray);
    margin-bottom: var(--spacing-2xl);
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================================================
   SEÇÃO 4: SISTEMA DE BOTÕES
   =================================================================== */

.botao, .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.botao-principal, .btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--box-shadow);
}

.botao-principal:hover,
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.botao-secundario, .btn-secondary {
    background: transparent;
    color: var(--tech-blue);
    border: 2px solid var(--tech-blue);
}

.botao-secundario:hover,
.btn-secondary:hover {
    background: var(--tech-blue);
    color: var(--white);
    transform: translateY(-2px);
}

/* ===================================================================
   SEÇÃO 5: ANIMAÇÕES CSS
   =================================================================== */

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===================================================================
   SEÇÃO 6: HEADER E NAVEGAÇÃO
   =================================================================== */

.cabecalho, .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

:root:not([data-theme]) .cabecalho,
:root:not([data-theme]) .header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(42, 42, 42, 0.1);
}

.container-navegacao, .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--spacing-lg);
}

/* Logo */
.logo-navegacao, .nav-logo {
    flex-shrink: 0;
}

.link-logo-navegacao, .nav-logo-link {
    text-decoration: none;
    display: block;
    transition: var(--transition);
}

.link-logo-navegacao:hover,
.nav-logo-link:hover {
    transform: scale(1.05);
}

.logo-navegacao h2,
.nav-logo h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--tech-black);
    margin: 0;
    transition: var(--transition);
}

.link-logo-navegacao:hover h2,
.nav-logo-link:hover h2 {
    color: var(--tech-blue);
}

/* Menu de Navegação */
.direita-navegacao, .nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
    justify-content: flex-end;
}

.menu-navegacao, .nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    margin: 0;
    padding: 0;
}

.item-menu, .nav-item {
    list-style: none;
}

.link-navegacao, .nav-link {
    text-decoration: none;
    color: var(--tech-black);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.link-navegacao:hover,
.nav-link:hover {
    color: var(--tech-blue);
}

.link-navegacao::after,
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--tech-blue);
    transition: var(--transition);
}

.link-navegacao:hover::after,
.nav-link:hover::after {
    width: 100%;
}

/* Botões de Ação */
.acoes-navegacao, .nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.alternar-tema, .theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--tech-blue);
    background: transparent;
    color: var(--tech-blue);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: var(--font-size-lg);
}

.alternar-tema:hover,
.theme-toggle:hover {
    background: var(--tech-blue);
    color: var(--white);
    transform: scale(1.1);
}

.botao-baixar-cv, .btn-download-cv {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.botao-baixar-cv:hover,
.btn-download-cv:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.botao-baixar-cv span,
.btn-download-cv span {
    display: none;
}

@media (min-width: 768px) {
    .botao-baixar-cv span,
    .btn-download-cv span {
        display: inline;
    }
}

/* Menu Mobile (Hamburger) */
.alternar-menu, .nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.barra, .bar {
    width: 25px;
    height: 3px;
    background: var(--tech-black);
    transition: var(--transition);
}

/* ===================================================================
   SEÇÃO 7: HERO (APRESENTAÇÃO PRINCIPAL)
   =================================================================== */

.secao-hero, .hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #222222 0%, #c4c4c4 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.container-hero, .hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

.conteudo-hero, .hero-content {
    animation: fadeInUp 1s ease-out;
    padding-left: 12%;
    box-sizing: border-box;
}

.titulo-hero, .hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: #000000;
    white-space: nowrap;
}

.subtitulo-hero, .hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: #000000;
    margin-bottom: var(--spacing-md);
}

.descricao-hero, .hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.botoes-hero, .hero-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.links-sociais, .social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.link-social, .social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    text-decoration: none;
    border-radius: 50%;
    font-size: var(--font-size-lg);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.link-social:hover,
.social-link:hover {
    background: var(--tech-blue);
    transform: translateY(-3px);
}

.imagem-hero, .hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.avatar {
    width: 300px;
    height: 300px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow-lg);
    border: 4px solid var(--tech-blue);
    position: relative;
}

.foto-perfil, .profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.indicador-scroll, .scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.indicador-scroll a,
.scroll-indicator a {
    color: var(--white);
    font-size: var(--font-size-xl);
    text-decoration: none;
}

/* ===================================================================
   SEÇÃO 8: SOBRE MIM
   =================================================================== */

.secao-sobre, .sobre, .about {
    padding: var(--spacing-3xl) 0;
    background: var(--light-gray);
}

.conteudo-sobre, .about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.texto-sobre, .about-text p {
    font-size: var(--font-size-lg);
    color: #ffffff;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.estatisticas, .stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.item-estatistica, .stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.item-estatistica:hover,
.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.item-estatistica h3,
.stat-item h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--tech-blue);
    margin-bottom: var(--spacing-sm);
}

.item-estatistica p,
.stat-item p {
    font-size: var(--font-size-base);
    color: #ffffff;
    font-weight: 500;
}

/* ===================================================================
   SEÇÃO 9: HABILIDADES TÉCNICAS
   =================================================================== */

.secao-habilidades, .habilidades, .skills {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.categoria-habilidade, .skill-category {
    margin-bottom: var(--spacing-lg);
}

.titulo-categoria, .category-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--tech-black);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.titulo-categoria i,
.category-title i {
    color: var(--tech-blue);
    font-size: var(--font-size-xl);
}

.grade-habilidades, .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(112.5px, 1fr));
    gap: 1.125rem;
    max-width: 1000px;
    margin: 0 auto;
}

.item-habilidade, .skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.item-habilidade::before,
.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: var(--transition);
    z-index: 0;
}

.item-habilidade:hover::before,
.skill-item:hover::before {
    left: 0;
}

.item-habilidade:hover,
.skill-item:hover {
    transform: translateY(-5px);
    color: var(--white);
}

.item-habilidade i,
.skill-item i {
    font-size: 1.40625rem;
    color: var(--tech-blue);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.item-habilidade:hover i,
.skill-item:hover i {
    color: var(--white);
    transform: scale(1.1);
}

.item-habilidade span,
.skill-item span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--tech-black);
    transition: var(--transition);
    position: relative;
    z-index: 1;
    text-align: center;
}

.item-habilidade:hover span,
.skill-item:hover span {
    color: var(--white);
}

/* ===================================================================
   SEÇÃO 10: PROJETOS
   =================================================================== */

.secao-projetos, .projetos, .projects {
    padding: var(--spacing-3xl) 0;
    background: var(--light-gray);
}

.grade-projetos, .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

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

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

.imagem-projeto, .project-image {
    height: 200px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-4xl);
}

.conteudo-projeto, .project-content {
    padding: var(--spacing-xl);
}

.titulo-projeto, .project-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--tech-black);
    margin-bottom: var(--spacing-md);
}

.descricao-projeto, .project-description {
    font-size: var(--font-size-base);
    color: var(--space-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.tecnologias-projeto, .project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tag-tecnologia, .tech-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--tech-blue);
    color: var(--white);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--border-radius);
}

.links-projeto, .project-links {
    display: flex;
    gap: var(--spacing-md);
}

.link-projeto, .project-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    color: var(--tech-blue);
    text-decoration: none;
    border: 2px solid var(--tech-blue);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition);
}

.link-projeto:hover,
.project-link:hover {
    background: var(--tech-blue);
    color: var(--white);
}

/* ===================================================================
   SEÇÃO 11: CONTATO
   =================================================================== */

.secao-contato, .contato, .contact {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.conteudo-contato, .contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-2xl);
}

.informacoes-contato, .contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.item-contato, .contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

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

.icone-contato, .contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-xl);
}

.detalhes-contato h3,
.contact-details h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--tech-black);
    margin-bottom: var(--spacing-xs);
}

.detalhes-contato p,
.contact-details p {
    font-size: var(--font-size-base);
    color: var(--space-gray);
}

/* Formulário de Contato */
.formulario-contato, .contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--tech-black);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--tech-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===================================================================
   SEÇÃO 12: FOOTER
   =================================================================== */

.rodape, .footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.conteudo-rodape, .footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.links-rodape, .footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.links-rodape a,
.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.links-rodape a:hover,
.footer-links a:hover {
    color: var(--tech-blue-light);
}

/* ===================================================================
   SEÇÃO 13: MEDIA QUERIES (RESPONSIVIDADE)
   =================================================================== */

/* ----- Tablet (1024px) ----- */
@media (max-width: 1024px) {
    .container-hero, .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .conteudo-hero, .hero-content {
        padding-left: 0;
    }

    .titulo-hero, .hero-title {
        font-size: var(--font-size-4xl);
    }

    .conteudo-contato, .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .grade-habilidades, .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    }
}

/* ----- Mobile (768px) ----- */
@media (max-width: 768px) {
    .container-navegacao, .nav-container {
        flex-wrap: wrap;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo-navegacao, .nav-logo {
        flex: 1;
        min-width: 0;
    }
    
    .logo-navegacao h2,
    .nav-logo h2 {
        font-size: var(--font-size-base);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .direita-navegacao, .nav-right {
        flex: 0 0 auto;
    }
    
    .menu-navegacao, .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--box-shadow);
        padding: var(--spacing-lg) 0;
        z-index: 999;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }

    .menu-navegacao.active,
    .nav-menu.active {
        left: 0;
    }
    
    .item-menu, .nav-item {
        margin: var(--spacing-sm) 0;
    }
    
    .acoes-navegacao, .nav-actions {
        gap: var(--spacing-sm);
    }
    
    .botao-baixar-cv, .btn-download-cv {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .botao-baixar-cv span,
    .btn-download-cv span {
        display: none;
    }

    .alternar-menu, .nav-toggle {
        display: flex;
    }

    .alternar-menu.active .barra:nth-child(2),
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .alternar-menu.active .barra:nth-child(1),
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .alternar-menu.active .barra:nth-child(3),
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .secao-hero, .hero {
        padding-top: 60px;
        min-height: auto;
        padding-bottom: var(--spacing-2xl);
    }

    .container-hero, .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        padding: var(--spacing-md);
    }

    .conteudo-hero, .hero-content {
        padding-left: 0;
        padding-right: 0;
        text-align: center;
    }

    .titulo-hero, .hero-title {
        font-size: var(--font-size-2xl);
        white-space: normal;
        word-break: break-word;
    }

    .subtitulo-hero, .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .descricao-hero, .hero-description {
        font-size: var(--font-size-sm);
    }

    .botoes-hero, .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
        width: 100%;
    }

    .botoes-hero .botao,
    .botoes-hero .btn,
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .imagem-hero, .hero-image {
        order: -1;
    }

    .avatar {
        width: 180px;
        height: 180px;
    }

    .titulo-secao, .section-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-md);
    }

    .subtitulo-secao, .section-subtitle {
        font-size: var(--font-size-base);
        padding: 0 var(--spacing-md);
    }

    .texto-sobre, .about-text p {
        font-size: var(--font-size-base);
        padding: 0 var(--spacing-sm);
    }

    .estatisticas, .stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }

    .item-estatistica, .stat-item {
        padding: var(--spacing-lg);
    }

    .item-estatistica h3,
    .stat-item h3 {
        font-size: var(--font-size-2xl);
    }

    .titulo-categoria, .category-title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-md);
    }

    .grade-habilidades, .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }

    .item-habilidade, .skill-item {
        padding: var(--spacing-md);
    }

    .item-habilidade i,
    .skill-item i {
        font-size: 1.25rem;
    }

    .item-habilidade span,
    .skill-item span {
        font-size: var(--font-size-xs);
    }

    .grade-projetos, .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }

    .card-projeto, .project-card {
        margin: 0;
    }

    .conteudo-contato, .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .item-contato, .contact-item {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }

    .formulario-contato, .contact-form {
        padding: var(--spacing-md);
    }

    .formulario-contato input,
    .formulario-contato textarea,
    .contact-form input,
    .contact-form textarea {
        font-size: var(--font-size-base);
        padding: var(--spacing-md);
    }

    .conteudo-rodape, .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
}

/* ----- Mobile Pequeno (480px) ----- */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .cabecalho, .header {
        padding: 0;
    }

    .container-navegacao, .nav-container {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .logo-navegacao h2,
    .nav-logo h2 {
        font-size: var(--font-size-sm);
    }

    .secao-hero, .hero {
        padding-top: 50px;
        min-height: auto;
    }

    .container-hero, .hero-container {
        padding: var(--spacing-sm);
        gap: var(--spacing-lg);
    }

    .titulo-hero, .hero-title {
        font-size: var(--font-size-xl);
        line-height: 1.3;
    }

    .subtitulo-hero, .hero-subtitle {
        font-size: var(--font-size-sm);
    }

    .descricao-hero, .hero-description {
        font-size: var(--font-size-xs);
        line-height: 1.6;
    }

    .botoes-hero .botao,
    .botoes-hero .btn,
    .hero-buttons .btn {
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm) var(--spacing-md);
        width: 100%;
    }

    .links-sociais, .social-links {
        gap: var(--spacing-sm);
    }

    .link-social, .social-link {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }

    .avatar {
        width: 150px;
        height: 150px;
    }

    .titulo-secao, .section-title {
        font-size: var(--font-size-xl);
    }

    .subtitulo-secao, .section-subtitle {
        font-size: var(--font-size-sm);
    }

    .texto-sobre, .about-text p {
        font-size: var(--font-size-sm);
        line-height: 1.7;
    }

    .item-estatistica, .stat-item {
        padding: var(--spacing-md);
    }

    .item-estatistica h3,
    .stat-item h3 {
        font-size: var(--font-size-xl);
    }

    .item-estatistica p,
    .stat-item p {
        font-size: var(--font-size-sm);
    }

    .titulo-categoria, .category-title {
        font-size: var(--font-size-lg);
    }

    .grade-habilidades, .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
        gap: var(--spacing-sm);
    }

    .item-habilidade, .skill-item {
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
    }

    .item-habilidade i,
    .skill-item i {
        font-size: 1.125rem;
    }

    .item-habilidade span,
    .skill-item span {
        font-size: 0.625rem;
    }

    .card-projeto, .project-card {
        margin: 0;
        padding: var(--spacing-md);
    }

    .titulo-projeto, .project-title {
        font-size: var(--font-size-lg);
    }

    .descricao-projeto, .project-description {
        font-size: var(--font-size-sm);
    }

    .item-contato, .contact-item {
        padding: var(--spacing-sm);
    }

    .icone-contato, .contact-icon {
        width: 50px;
        height: 50px;
    }

    .detalhes-contato h3,
    .contact-details h3 {
        font-size: var(--font-size-base);
    }

    .detalhes-contato p,
    .contact-details p {
        font-size: var(--font-size-sm);
    }

    .formulario-contato input,
    .formulario-contato textarea,
    .contact-form input,
    .contact-form textarea {
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm);
    }

    .botao, .btn {
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
}