/* ========================================
   VARIÁVEIS CSS E CONFIGURAÇÕES GLOBAIS
======================================== */

:root {
    /* Cores principais */
    --primary-color-dark-mode: #34416B; /* Nova cor primária para o modo escuro */
    --primary-color-dark-mode-rgb: 52, 65, 107;
    --primary-color-original: #00d4ff; /* Azul claro original, usado como fallback ou em dark mode se preferir */
    --primary-color-original-rgb: 0, 212, 255;

    --primary-color: var(--primary-color-original); /* Padrão para o azul claro no dark mode inicialmente */
    --primary-color-rgb: var(--primary-color-original-rgb);

    --primary-color-light-mode: #34416B;
    --primary-color-light-mode-rgb: 52, 65, 107;
    --secondary-color: #ff6b6b;
    --accent-color: #4ecdc4;
    
    /* Cores de fundo */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: #1e1e2f;
    
    /* Cores de texto */
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-primary-dark-mode: linear-gradient(135deg, var(--primary-color-dark-mode) 0%, var(--secondary-color) 100%);
    --gradient-primary-light-mode: linear-gradient(135deg, var(--primary-color-light-mode) 0%, #5e72a7 100%); /* Ajuste no gradiente do light mode */
    --gradient-secondary: linear-gradient(135deg, #ff6b6b, #ee5a52);
    --gradient-bg: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    
    /* Sombras */
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.4);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Bordas */
    --border-radius: 12px;
    --border-radius-small: 8px;
    --border-radius-large: 20px;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 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-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;

    /* Navbar light mode */
    --bg-navbar-light: #ffffff;
    --border-navbar-light: #e0e0e0;
    --primary-color-rgb: 0, 212, 255; /* RGB values for primary color for rgba usage */
}

/* Tema claro */
.light-mode {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-card: #ffffff;
    --text-primary: #333333;
    --text-secondary: #555555;
    --text-muted: #777777;
    --gradient-bg: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #e9ecef 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.07); /* Sombra mais suave */
    --shadow-hover: 0 15px 45px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 6px 24px rgba(0, 0, 0, 0.06);

    /* Sobrescrever cores primárias para o modo claro */
    --primary-color: var(--primary-color-light-mode);
    --primary-color-rgb: var(--primary-color-light-mode-rgb);
    --gradient-primary: var(--gradient-primary-light-mode); /* Aplicando o gradiente do light mode */
}

/* ========================================
   RESET E CONFIGURAÇÕES BASE
======================================== */

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

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    transition: var(--transition);
}

/* ========================================
   UTILITÁRIOS GLOBAIS
======================================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-header h5 {
    color: var(--primary-color);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-2);
}

.section-header h2 {
    color: var(--text-primary);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.3;
}

/* ========================================
   NAVEGAÇÃO
======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-4) 0;
    background: transparent; /* Inicialmente transparente */
    border-bottom: 1px solid transparent; /* Inicialmente sem borda */
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.85); /* Dark mode scrolled */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.light-mode .navbar { 
    background: transparent;
    border-bottom: 1px solid transparent;
}

.light-mode .navbar.scrolled {
    background: rgba(255, 255, 255, 0.85); /* Light mode scrolled */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-navbar-light);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-logo-link { /* Estilo para o link do logo */
    text-decoration: none;
    padding-left: var(--spacing-4); 
    display: flex; 
    align-items: center; /* Aligns the icon and the text group vertically */
    gap: var(--spacing-3); /* Espaço entre o ícone e o grupo de texto */
}

/* Remover ou comentar .nav-logo, pois sua estrutura foi simplificada */
/*
.nav-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start; 
}
*/

/* Remover ou comentar .logo-image-container, pois foi removido */
/*
.logo-image-container { 
    display: flex;
    align-items: center; 
    gap: var(--spacing-2); 
    margin-bottom: 2px; 
}
*/

.logo-icon { 
    height: 40px; /* Aumentado para 40px - ajuste conforme necessário */
    width: auto; 
}

.logo-text-group { /* Novo container para os textos */
    display: flex;
    flex-direction: column;
    align-items: flex-start; /* Alinha os textos à esquerda dentro deste grupo */
}

.logo-text {
    font-size: var(--font-size-xl); /* Pode ajustar se necessário com o novo layout */
    font-weight: 700;
    color: var(--primary-color-original); 
    letter-spacing: 0.5px;
    margin-bottom: 1px; /* Pequeno espaço entre ThiperDev e Thiago D'arezzo */
    line-height: 1.2; /* Ajuste para melhor espaçamento vertical se o font-size for grande */
}

.logo-subtitle {
    font-size: var(--font-size-xs); /* Pode ajustar se necessário */
    color: var(--text-muted);
    letter-spacing: 0.5px;
    line-height: 1.2; /* Ajuste para melhor espaçamento vertical */
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: var(--spacing-2) var(--spacing-4); 
    border-radius: var(--border-radius-small); 
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color); /* Usará a cor correta baseada no modo */
    background-color: rgba(var(--primary-color-rgb), 0.1); 
}

/* Removido: .light-mode .nav-link:hover, .light-mode .nav-link.active 
   pois a sobrescrita de --primary-color no .light-mode já cuida disso. */

.light-mode .logo-text {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}
/* .light-mode .logo-subtitle já usa var(--text-secondary) que se adapta */

.light-mode .bar { /* Cor das barras do hamburger no light mode */
    background: var(--text-primary);
}


.theme-toggle {
    background: transparent;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: var(--text-secondary); /* Cor inicial do ícone */
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg); /* Tamanho do ícone */
}

.theme-toggle:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

/* A cor do ícone é atualizada via JS, mas o hover pode ser geral */
.light-mode .theme-toggle {
    color: var(--text-secondary); /* Cor do ícone no light mode */
}
.light-mode .theme-toggle:hover {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}

/* ========================================
   HERO SECTION
======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-bg);
    overflow: hidden;
}

.hero-bg {
    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="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    opacity: 0.3;
    animation: moveGrid 20s linear infinite;
}

@keyframes moveGrid {
    0% { transform: translate(0, 0); }
    100% { transform: translate(10px, 10px); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: left;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-4);
    line-height: 1.2;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-8);
    font-weight: 300;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-12);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-6);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.profile-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-image {
    width: 400px; /* Mantém o tamanho para o layout dos ícones flutuantes */
    height: 400px; /* Mantém o tamanho para o layout dos ícones flutuantes */
    transition: var(--transition);
    z-index: 2;
    position: relative;
}

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

.floating-tech {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    pointer-events: none;
}

.tech-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    transition: var(--transition);
    opacity: 0.7;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.tech-icon-1 { top: 10%; left: 10%; animation: float1 6s ease-in-out infinite; }
.tech-icon-2 { top: 20%; right: 10%; animation: float2 7s ease-in-out infinite; }
.tech-icon-3 { top: 60%; left: 5%; animation: float3 8s ease-in-out infinite; }
.tech-icon-4 { bottom: 20%; right: 15%; animation: float4 6.5s ease-in-out infinite; }
.tech-icon-5 { top: 50%; right: 5%; animation: float5 7.5s ease-in-out infinite; }
.tech-icon-6 { bottom: 40%; left: 20%; animation: float6 8.5s ease-in-out infinite; }

@keyframes float1 {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-20px) translateX(10px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-15px) translateX(-8px); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-25px) translateX(12px); }
}

@keyframes float4 {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-18px) translateX(-5px); }
}

@keyframes float5 {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-12px) translateX(-15px); }
}

@keyframes float6 {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-22px) translateX(8px); }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-8);
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-color); /* Usará a cor correta baseada no modo */
    font-size: var(--font-size-2xl);
    cursor: pointer;
    animation: bounce 2s infinite;
    z-index: 3;
}

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

/* ========================================
   BOTÕES GLOBAIS
======================================== */

.btn {
    padding: var(--spacing-4) var(--spacing-8);
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    transition: var(--transition);
    font-size: var(--font-size-base);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary); /* Agora usa a variável de gradiente correta para cada tema */
    color: white;
    border: none;
    padding: var(--spacing-4) var(--spacing-8);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    box-shadow: 0 4px 15px rgba(var(--primary-color-rgb), 0.2); /* Sombra usa a cor primária do tema */
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(var(--primary-color-rgb), 0.3); /* Sombra usa a cor primária do tema */
    text-decoration: none;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color-original); /* Cor do texto para dark mode (azul original) */
    border: 1px solid rgba(var(--primary-color-original-rgb), 0.6); /* Borda neon inicial dark mode */
    padding: calc(var(--spacing-4) - 1px) calc(var(--spacing-8) - 1px); /* Ajuste de padding devido à borda */
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    box-shadow: 0 0 5px rgba(var(--primary-color-original-rgb), 0.4), 
                0 0 10px rgba(var(--primary-color-original-rgb), 0.3); /* Sombra neon inicial dark mode */
}

.btn-secondary:hover {
    color: var(--primary-color-original); /* Mantém a cor do texto */
    border-color: rgba(var(--primary-color-original-rgb), 1); /* Borda neon mais forte dark mode */
    background: transparent; /* Garante que não haja fundo no hover */
    box-shadow: 0 0 10px rgba(var(--primary-color-original-rgb), 0.7), 
                0 0 20px rgba(var(--primary-color-original-rgb), 0.5), 
                0 0 30px rgba(var(--primary-color-original-rgb), 0.3); /* Sombra neon mais forte dark mode */
    transform: translateY(-2px); /* Leve elevação no hover */
    text-decoration: none;
}

.light-mode .btn-secondary {
    color: var(--primary-color); /* Cor do texto para light mode (#34416B) */
    border-color: rgba(var(--primary-color-light-mode-rgb), 0.7); /* Borda neon inicial light mode */
    box-shadow: 0 0 5px rgba(var(--primary-color-light-mode-rgb), 0.5), 
                0 0 10px rgba(var(--primary-color-light-mode-rgb), 0.4); /* Sombra neon inicial light mode */
}

.light-mode .btn-secondary:hover {
    color: var(--primary-color); /* Mantém a cor do texto */
    border-color: rgba(var(--primary-color-light-mode-rgb), 1); /* Borda neon mais forte light mode */
    background: transparent; /* Garante que não haja fundo no hover */
    box-shadow: 0 0 10px rgba(var(--primary-color-light-mode-rgb), 0.8), 
                0 0 20px rgba(var(--primary-color-light-mode-rgb), 0.6), 
                0 0 30px rgba(var(--primary-color-light-mode-rgb), 0.4); /* Sombra neon mais forte light mode */
}

/* ========================================
   SEÇÕES PRINCIPAIS
======================================== */

.about,
.resume,
.services,
.portfolio,
.contact {
    padding: var(--spacing-24) 0;
    position: relative;
}

.about {
    background: var(--bg-secondary);
}

.resume {
    background: var(--bg-primary);
}

.services {
    background: var(--bg-secondary);
}

.portfolio {
    background: var(--bg-primary);
}

.contact {
    background: var(--bg-secondary);
}

/* ========================================
   UTILITÁRIOS DE ANIMAÇÃO
======================================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.scale-on-hover {
    transition: var(--transition);
}

.scale-on-hover:hover {
    transform: scale(1.05);
}

/* ========================================
   ELEMENTOS FLUTUANTES
======================================== */

/* Removido: Estilos para .back-to-top */
/*
.back-to-top {
    position: fixed;
    bottom: var(--spacing-8);
    right: var(--spacing-8);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary); // Este gradiente usaria a cor do modo claro
    border: none;
    border-radius: 50%;
    color: white;
    font-size: var(--font-size-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-hover);
}
*/

.whatsapp-float {
    position: fixed;
    right: var(--spacing-6); /* Ajustado para var(--spacing-6) para um pouco mais de espaço da borda */
    bottom: var(--spacing-6); /* Ajustado para var(--spacing-6) */
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
    text-decoration: none;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ========================================
   TYPED.JS CUSTOMIZATION
======================================== */

.typed-cursor {
    font-weight: 300;
    color: var(--primary-color); /* Usará a cor correta baseada no modo */
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-16);
    margin-bottom: var(--spacing-16);
}

.about-text p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-8);
    text-align: justify;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    margin-top: var(--spacing-8);
}

.studies-section h3,
.tech-section h3 {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
    font-weight: 600;
}

.study-list {
    list-style: none;
}

.study-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

.study-list i {
    color: var(--accent-color);
    font-size: var(--font-size-sm);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: var(--spacing-4);
}

.tech-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3);
    background: var(--bg-card);
    border-radius: var(--border-radius-small);
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.tech-item:hover {
    transform: translateY(-5px);
    background: var(--primary-color);
}

.tech-item img {
    width: 32px;
    height: 32px;
    transition: var(--transition);
}

.tech-item:hover img {
    filter: brightness(0) invert(1);
}

.tech-item::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.tech-item:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-8);
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-2);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: 500;
}


.skills-section {
    margin-top: var(--spacing-20);
    padding-top: var(--spacing-16);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.skills-section h3 {
    text-align: center;
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-12);
    font-weight: 700;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-6);
}

.skill-item {
    background: var(--bg-card);
    padding: var(--spacing-6);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

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

.skill-item.special {
    background: linear-gradient(135deg, var(--bg-card), rgba(0, 212, 255, 0.1));
    border: 1px solid var(--primary-color);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-3);
}

.skill-header span:first-child {
    font-weight: 600;
    color: var(--text-primary);
}

.skill-header span:last-child {
    font-weight: 700;
    color: var(--primary-color);
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-in-out;
    position: relative;
}

.skill-progress.neon {
    background: linear-gradient(90deg, #00d4ff, #ff6b6b, #4ecdc4, #00d4ff);
    background-size: 400% 400%;
    animation: neonGlow 3s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

@keyframes neonGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ========================================
   RESUME SECTION
======================================== */

.resume-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    margin-bottom: var(--spacing-16);
}

.resume-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-8);
    font-weight: 700;
}

.timeline {
    position: relative;
    padding-left: var(--spacing-8);
}

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

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-8);
    padding-left: var(--spacing-6);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--bg-secondary);
}

.timeline-date {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--spacing-3);
}

.timeline-content h4 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
    font-weight: 600;
}

.institution {
    color: var(--text-muted);
    font-style: italic;
    font-size: var(--font-size-sm);
}

.projects-list {
    display: none;
    margin-top: var(--spacing-6);
}

.projects-list.show {
    display: block;
}

.project-item {
    background: var(--bg-card);
    padding: var(--spacing-6);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-6);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.project-item h4 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
    font-weight: 600;
}

.project-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.tech-tag {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* ========================================
   GENI.SYS SECTION
======================================== */

.genisys-section {
    background: var(--bg-card);
    padding: var(--spacing-12);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.genisys-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-6);
    font-weight: 700;
    text-align: center;
    justify-content: center;
}

.genisys-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    align-items: start;
}

.genisys-description p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.genisys-form {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-6);
}

.input-group {
    display: flex;
    gap: var(--spacing-3);
}

.input-group input {
    flex: 1;
    padding: var(--spacing-4);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-small);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.1);
}

.input-group button {
    padding: var(--spacing-4);
    background: var(--primary-color);
    border: none;
    border-radius: var(--border-radius-small);
    color: white;
    cursor: pointer;
    transition: var(--transition);
    width: 50px;
}

.input-group button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.genisys-response {
    margin-top: var(--spacing-6);
    padding: var(--spacing-4);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-small);
    color: var(--text-secondary);
    display: none;
    border-left: 4px solid var(--primary-color);
}

/* ========================================
   SERVICES SECTION
======================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.service-card {
    background: var(--bg-card);
    padding: var(--spacing-8);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.service-icon {
    margin-bottom: var(--spacing-6);
}

.service-icon img {
    width: 64px;
    height: 64px;
    transition: var(--transition);
}

.service-card:hover .service-icon img {
    transform: scale(1.1);
}

.service-card h4 {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
    font-weight: 600;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-6);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    align-items: flex-start; /* Alinha os itens à esquerda */
    margin-top: var(--spacing-4); /* Adiciona um pouco de espaço acima das features */
    padding-left: var(--spacing-2); /* Pequeno padding para não colar na borda do card se houver */
}

.service-features span {
    color: var(--primary-color); /* Usará #34416B no light-mode */
}

.service-features i {
    color: var(--primary-color); /* Usará #34416B no light-mode */
}

/* ========================================
   PORTFOLIO SECTION
======================================== */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.portfolio-item {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(var(--primary-color-rgb), 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay-content {
    text-align: center;
    color: white;
}

.portfolio-overlay-content i {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-2);
}

.portfolio-content {
    padding: var(--spacing-6);
}

.portfolio-content h4 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
    font-weight: 600;
}

.portfolio-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.portfolio-tech span {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* ========================================
   CONTACT SECTION
======================================== */

.contact-info {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-12);
}

.contact-card {
    background: var(--bg-card);
    padding: var(--spacing-12);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: var(--transition);
    max-width: 400px;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.contact-icon {
    margin-bottom: var(--spacing-6);
}

.contact-icon i {
    font-size: var(--font-size-5xl);
    color: #25D366;
}

.contact-content h4 {
    color: var(--text-primary);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-3);
    font-weight: 700;
}

.contact-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-lg);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    color: #25D366;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--primary-color);
    text-decoration: none;
    transform: scale(1.05);
}

/* ========================================
   CONTACT SECTION - MINIMALIST
======================================== */
.contact {
    text-align: center; 
}

.contact .section-header h2 {
    margin-bottom: var(--spacing-10); /* Aumentar espaço após o título */
}

.contact-content-minimal {
    max-width: 650px; 
    margin: 0 auto var(--spacing-12); /* Adicionar margem inferior */
}

.contact-message {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-10);
}

.contact-whatsapp-button {
    font-size: var(--font-size-lg);
    padding: var(--spacing-4) var(--spacing-10); 
    margin-bottom: var(--spacing-8);
    display: inline-flex; /* Para alinhar ícone e texto corretamente */
    align-items: center;
    justify-content: center;
    min-width: 280px; /* Largura mínima para o botão */
}

.contact-whatsapp-button i {
    margin-right: var(--spacing-3);
    font-size: var(--font-size-xl);
}

.contact-alternative {
    font-size: var(--font-size-base);
    color: var(--text-muted);
}

.contact-alternative a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-alternative a:hover {
    text-decoration: underline;
}

/* ========================================
   FOOTER
======================================== */

.footer {
    background: var(--bg-primary);
    padding: var(--spacing-12) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-main h3 {
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
    font-weight: 700;
}

.footer-main p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-8);
    font-size: var(--font-size-base);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ========================================
   LIGHT MODE ADJUSTMENTS
======================================== */

.light-mode .studies-section h3,
.light-mode .tech-section h3 {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}

.light-mode .study-list i {
    color: var(--accent-color); /* Mantendo accent color, ou poderia ser --primary-color */
}

.light-mode .tech-item:hover {
    /* background: var(--primary-color); */ /* Comentado pois a cor primária do light mode é escura */
    background: rgba(var(--primary-color-light-mode-rgb), 0.8); /* Um tom mais claro da cor primária do light mode */
}

.light-mode .tech-item:hover img {
    filter: brightness(0) invert(1); /* Mantém o ícone branco */
}


.light-mode .stat-number {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}

.light-mode .stat-card:hover {
    border-color: var(--primary-color); /* Usará a cor correta do light-mode */
}

.light-mode .skills-section h3 {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}

.light-mode .skill-header span:last-child {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}

.light-mode .skill-progress {
    background: var(--primary-color); /* Usará a cor correta do light-mode, sem gradiente */
}

.light-mode .skill-item.special {
    /* background: linear-gradient(135deg, var(--bg-card), rgba(var(--primary-color-rgb), 0.1)); */ /* Usará a cor correta do light-mode */
    border: 1px solid var(--primary-color); /* Usará a cor correta do light-mode */
}
.light-mode .skill-progress.neon {
    /* Mantém o neon original ou pode ser ajustado se necessário */
    /* box-shadow: 0 0 20px rgba(var(--primary-color-rgb), 0.5); */ /* Usará a cor correta do light-mode */
}

.light-mode .resume-title {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}

.light-mode .timeline::before {
    background: var(--primary-color); /* Usará a cor correta do light-mode, sem gradiente */
}

.light-mode .timeline-item::before {
    background: var(--primary-color); /* Usará a cor correta do light-mode */
    box-shadow: 0 0 0 4px var(--bg-secondary); /* bg-secondary do light mode */
}

.light-mode .timeline-date {
    background: var(--primary-color); /* Usará a cor correta do light-mode */
    color: white;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius-small);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--spacing-3);
}

.light-mode .timeline-content h4 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
    font-weight: 600;
}

.light-mode .institution {
    color: var(--text-muted);
    font-style: italic;
    font-size: var(--font-size-sm);
}

.light-mode .projects-list {
    display: none;
    margin-top: var(--spacing-6);
}

.light-mode .projects-list.show {
    display: block;
}

.light-mode .project-item {
    background: var(--bg-card);
    padding: var(--spacing-6);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-6);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.light-mode .project-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.light-mode .project-item h4 {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
    font-weight: 600;
}

.light-mode .project-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
}

.light-mode .tech-tag {
    background: var(--primary-color); /* Usará a cor correta do light-mode */
    color: white;
}

/* ========================================
   GENI.SYS SECTION
======================================== */


.light-mode .genisys-title {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}

.light-mode .genisys-description p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.light-mode .genisys-form {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-6);
}

.light-mode .input-group input {
    flex: 1;
    padding: var(--spacing-4);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-small);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.light-mode .input-group input:focus {
    border-color: var(--primary-color); /* Usará a cor correta do light-mode */
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.1); /* Usará a cor correta do light-mode */
}

.light-mode .input-group button {
    background: var(--gradient-primary); /* Aplicando o gradiente do light mode */
}

.light-mode .genisys-response {
    border-left: 4px solid var(--primary-color); /* Usará a cor correta do light-mode */
}

/* ========================================
   SERVICES SECTION
======================================== */

.light-mode .service-card:hover {
    border-color: var(--primary-color); /* Usará a cor correta do light-mode */
}

.light-mode .service-features span {
    color: var(--primary-color); /* Usará #34416B no light-mode */
}
.light-mode .service-features i {
    color: var(--primary-color); /* Usará #34416B no light-mode */
}

/* ========================================
   PORTFOLIO SECTION
======================================== */

.light-mode .portfolio-overlay {
    background: rgba(var(--primary-color-rgb), 0.9); /* Usará a cor correta do light-mode */
}

.light-mode .portfolio-tech span {
    background: var(--primary-color); /* Usará a cor correta do light-mode */
    color: white;
}

/* ========================================
   CONTACT SECTION
======================================== */

.light-mode .contact-card:hover { /* Seção de contato foi alterada, mas caso algum estilo antigo persista */
    border-color: var(--primary-color); /* Usará a cor correta do light-mode */
}

.light-mode .contact-alternative a {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}

/* ========================================
   FOOTER
======================================== */

.light-mode .footer-main h3 {
    color: var(--primary-color); /* Usará a cor correta do light-mode */
}
/* ========================================
   RESPONSIVE DESIGN - MOBILE FIRST
======================================== */

/* Tablet - 768px and down */
@media (max-width: 768px) {
    /* Container adjustments */
    .container {
        padding: 0 var(--spacing-4);
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-16);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.show {
        left: 0;
    }
    
    .nav-menu li {
        margin: var(--spacing-6) 0;
    }
    
    .nav-link {
        font-size: var(--font-size-xl);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    /* Hero Section */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-8);
        padding-top: var(--spacing-16);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
        max-width: 100%;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .profile-image {
        width: 300px;
        height: 300px;
    }
    
    .floating-tech {
        width: 450px;
        height: 450px;
    }
    
    .tech-icon {
        width: 40px;
        height: 40px;
    }
    
    /* About Section */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .about-details {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
        gap: var(--spacing-3);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .stat-card {
        padding: var(--spacing-6);
    }
    
    /* Skills Section */
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .skill-item {
        padding: var(--spacing-4);
    }
    
    /* Resume Section */
    .resume-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .timeline {
        padding-left: var(--spacing-6);
    }
    
    .timeline-item {
        padding-left: var(--spacing-4);
    }
    
    /* Geni.sys Section */
    .genisys-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .genisys-form {
        padding: var(--spacing-4);
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .input-group button {
        width: 100%;
    }
    
    /* Services Section */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .service-card {
        padding: var(--spacing-6);
    }
    
    /* Portfolio Section */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .portfolio-image {
        height: 200px;
    }
    
    .portfolio-content {
        padding: var(--spacing-4);
    }
    
    /* Contact Section */
    .contact-card {
        padding: var(--spacing-8);
        margin: 0 var(--spacing-4);
    }
    
    .contact-icon i {
        font-size: var(--font-size-4xl);
    }
    
    .contact-content h4 {
        font-size: var(--font-size-xl);
    }
    
    .contact-link {
        font-size: var(--font-size-lg);
    }
    
    /* Section Headers */
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    /* Back to top and WhatsApp float positioning */
    .back-to-top {
        bottom: var(--spacing-20);
        right: var(--spacing-4);
    }
    
    .whatsapp-float {
        width: 50px; /* Pode reduzir um pouco em telas menores */
        height: 50px;
        right: var(--spacing-4); /* Ajustar espaçamento para telas menores */
        bottom: var(--spacing-4);
    }
}

/* Mobile - 480px and down */
@media (max-width: 480px) {
    /* Typography adjustments */
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    /* Profile image smaller */
    .profile-image {
        width: 250px;
        height: 250px;
    }
    
    .floating-tech {
        width: 350px;
        height: 350px;
    }
    
    .tech-icon {
        width: 32px;
        height: 32px;
    }
    
    /* Grid adjustments */
    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Cards padding */
    .service-card,
    .stat-card,
    .skill-item,
    .project-item {
        padding: var(--spacing-4);
    }
    
    /* Contact adjustments */
    .contact-card {
        padding: var(--spacing-6);
    }
    
    .contact-icon i {
        font-size: var(--font-size-3xl);
    }
    
    .contact-content h4 {
        font-size: var(--font-size-lg);
    }
    
    .contact-link {
        font-size: var(--font-size-base);
    }
    
    /* Timeline adjustments */
    .timeline {
        padding-left: var(--spacing-4);
    }
    
    .timeline-item {
        padding-left: var(--spacing-3);
    }
    
    .timeline-item::before {
        left: -7px;
        width: 12px;
        height: 12px;
    }
    
    /* Portfolio tech tags */
    .portfolio-tech,
    .tech-tags {
        gap: var(--spacing-1);
    }
    
    .tech-tag,
    .portfolio-tech span {
        padding: 2px var(--spacing-2);
        font-size: 10px;
    }
    
    .contact-whatsapp-button {
        padding: var(--spacing-3) var(--spacing-6);
        font-size: var(--font-size-base);
        min-width: auto; /* Permitir que o botão seja menor em telas pequenas */
        width: 90%; /* Ocupar mais largura */
    }

    .contact-message {
        font-size: var(--font-size-base);
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        right: var(--spacing-4);
        bottom: var(--spacing-4);
    }
}

/* Utility class for responsive line breaks */
@media (max-width: 768px) { /* Ou o breakpoint que preferir para mobile/tablet */
    .desktop-only {
        display: none;
    }
}

/* Large screens - 1200px and up */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .profile-image {
        width: 500px;
        height: 500px;
    }
    
    .floating-tech {
        width: 800px;
        height: 800px;
    }
    
    .tech-icon {
        width: 60px;
        height: 60px;
    }
}

/* Ultra wide screens - 1400px and up */
@media (min-width: 1400px) {
    .hero-container {
        gap: var(--spacing-20);
    }
    
    .about-content {
        gap: var(--spacing-20);
    }
    
    .resume-content {
        gap: var(--spacing-20);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .tech-icon,
    .service-icon img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print styles */
@media print {
    .navbar,
    .back-to-top,
    .whatsapp-float,
    .scroll-indicator {
        display: none !important;
    }
    
    .hero-bg,
    .floating-tech {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .section-header h2,
    .hero-title {
        color: black !important;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-tech,
    .hero-bg {
        animation: none !important;
    }
}

/* Dark mode specific responsive adjustments */
@media (max-width: 768px) {
    .light-mode .nav-menu {
        background: rgba(255, 255, 255, 0.98);
    }
}

/* Landscape orientation adjustments */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: var(--spacing-8) 0;
    }
    
    .hero-container {
        gap: var(--spacing-6);
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }
    
    .floating-tech {
        width: 300px;
        height: 300px;
    }
}