/* ============================================
   Reset e Variáveis CSS
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Principais - Tema Escuro Roxo-Azulado */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #4facfe;
    --dark-bg: #0a0e27;
    --dark-secondary: #141b3d;
    --dark-tertiary: #1a2342;
    --text-primary: #ffffff;
    --text-secondary: #b8bcc8;
    --text-muted: #6b7280;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(102, 126, 234, 0.1);
    --shadow-md: 0 4px 6px rgba(102, 126, 234, 0.15);
    --shadow-lg: 0 10px 25px rgba(102, 126, 234, 0.2);
    --shadow-xl: 0 20px 40px rgba(102, 126, 234, 0.3);
    
    /* Bordas */
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

/* ============================================
   Base Styles
   ============================================ */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* ============================================
   Navegação / Menu
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-brand a:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* ============================================
   Seção Hero
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(102, 126, 234, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(118, 75, 162, 0.3), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(79, 172, 254, 0.3), transparent);
    background-size: 200% 200%;
    animation: particles 20s ease infinite;
}

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

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    animation: fadeInUp 1.2s ease;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.4s ease;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

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

@keyframes scroll {
    0% { opacity: 1; top: 10px; }
    100% { opacity: 0; top: 30px; }
}

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

/* ============================================
   Botões
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

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

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

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

/* ============================================
   Seções Gerais
   ============================================ */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Seção Sobre
   ============================================ */
.sobre {
    background: var(--dark-secondary);
}

.sobre-content {
    max-width: 900px;
    margin: 0 auto;
}

.sobre-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.sobre-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--dark-tertiary);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-normal);
    border: 1px solid transparent;
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-item h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.3rem;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ============================================
   Seção Serviços
   ============================================ */
.servicos {
    background: var(--dark-bg);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.servico-card {
    background: var(--dark-secondary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid transparent;
}

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

.servico-image-wrapper {
    position: relative;
    width: 100%;
    height: 450px;
    overflow: hidden;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.servico-image {
    width: 100%;
    height: 100%;
    position: relative;
    transition: var(--transition-slow);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.servico-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.98);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: var(--spacing-md);
    opacity: 0;
    transition: var(--transition-normal);
    text-align: center;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 10;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.servico-overlay::-webkit-scrollbar {
    width: 6px;
}

.servico-overlay::-webkit-scrollbar-track {
    background: transparent;
}

.servico-overlay::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.servico-overlay::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.servico-image:hover .servico-overlay {
    opacity: 1;
}

.servico-image:hover {
    transform: scale(1.1);
}

.servico-overlay h3 {
    display: none;
}

.servico-overlay p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-top: var(--spacing-xs);
}

.servico-features {
    list-style: none;
    text-align: left;
    width: 100%;
    max-width: 280px;
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.servico-features li {
    color: var(--text-muted);
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: 20px;
    font-size: 0.9rem;
}

.servico-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.servico-info {
    padding: var(--spacing-md);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.servico-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.servico-info p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   Seção Contato
   ============================================ */
.contato {
    background: var(--dark-secondary);
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contato-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--dark-tertiary);
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
}

.info-item:hover {
    transform: translateX(5px);
    border-left: 3px solid var(--primary-color);
}

.info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.info-item h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.info-item p {
    color: var(--text-muted);
}

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

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--dark-tertiary);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark-bg);
    border-top: 1px solid var(--dark-tertiary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links h4,
.footer-services h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-links ul,
.footer-services ul {
    list-style: none;
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-links ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-services ul li {
    color: var(--text-muted);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--dark-tertiary);
    color: var(--text-muted);
}

/* ============================================
   Responsividade
   ============================================ */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--dark-secondary);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contato-content {
        grid-template-columns: 1fr;
    }
    
    .servicos-grid {
        grid-template-columns: 1fr;
    }
    
    .sobre-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}