/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

/* ===== VARIÁVEIS CSS ===== */
:root {
    /* Cores principais */
    --primary-color: #2c5aa0;
    --primary-dark: #1e3f73;
    --primary-light: #4a7bc8;
    --secondary-color: #f8f9fa;
    --accent-color: #28a745;
    --accent-hover: #218838;
    
    /* Cores de texto */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-white: #ffffff;
    
    /* Cores de fundo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #343a40;
    --bg-light: #e9ecef;
    
    /* Cores de borda */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* ===== LAYOUT BÁSICO ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-xxl) 0;
}

/* ===== HEADER E NAVEGAÇÃO ===== */
.header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.nav-logo h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-logo a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-logo a:hover {
    color: var(--primary-dark);
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: var(--transition-fast);
    position: relative;
}

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

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

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* ===== BOTÕES ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1.5;
}


.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
}

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: calc(80px + var(--spacing-xxl)) 0 var(--spacing-xxl) 0;
    text-align: center;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: #FFFFFF; /* Alterado para branco */
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== PAGE HEADER ===== */
.page-header {
    background: var(--bg-secondary);
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl) 0;
    text-align: center;
}

.page-header h1 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ===== SEÇÕES DE CONTEÚDO ===== */
.services-preview,
.blog-preview,
.about-intro,
.mission-vision-values,
.differentials,
.areas-atuacao,
.consultancy-intro,
.consultancy-index,
.consultancy-detailed,
.services-detailed,
.blog-articles,
.contact-info,
.contact-form-section {
    padding: var(--spacing-xxl) 0;
}

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

.section-header h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== GRIDS ===== */
.services-grid,
.blog-grid,
.mvv-grid,
.differentials-grid,
.consultancy-nav-grid,
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* ===== CARDS ===== */
.service-card,
.blog-card,
.mvv-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
}

.service-card:hover,
.blog-card:hover,
.mvv-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon,
.mvv-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-card h3,
.mvv-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.service-link,
.blog-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    margin-top: var(--spacing-sm);
    transition: var(--transition-fast);
}

.service-link:hover,
.blog-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== BLOG ===== */
.blog-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.blog-category {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.blog-category.empresarial {
    background: var(--accent-color);
}

.blog-category.tributario {
    background: #dc3545;
}

.blog-category.fiscal {
    background: #fd7e14;
}

.blog-category.contabilidade {
    background: #6f42c1;
}

.blog-date {
    color: var(--text-light);
}

.blog-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.blog-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.blog-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tag {
    background: var(--bg-light);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* ===== FORMULÁRIOS ===== */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1.4;
}

.form-submit {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--bg-secondary);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--text-white);
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ===== ARTIGOS ===== */
.breadcrumb {
    background: var(--bg-secondary);
    padding: calc(80px + var(--spacing-sm)) 0 var(--spacing-sm) 0;
}

.breadcrumb-nav {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breadcrumb-nav a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-nav .separator {
    margin: 0 var(--spacing-xs);
}

.article-header {
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    flex-wrap: wrap;
}

.article-category {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 500;
}

.article-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.article-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.article-content {
    padding: var(--spacing-xl) 0;
}

.article-content .container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xl);
    max-width: 1200px;
}

.article-body {
    max-width: none;
}

.article-body h2 {
    color: var(--primary-color);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-body h3 {
    color: var(--primary-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.article-body ul,
.article-body ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.article-body li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.article-cta {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.article-cta h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.article-sidebar {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 12px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar-section {
    margin-bottom: var(--spacing-lg);
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.sidebar-section h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

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

.related-article {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--bg-primary);
}

.related-article h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.related-article h4 a {
    color: var(--primary-color);
    text-decoration: none;
}

.related-article p {
    font-size: 0.875rem;
    margin: 0;
}

/* ===== PÁGINAS LEGAIS ===== */
.legal-content {
    padding: var(--spacing-xl) 0;
}

.legal-document {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.document-info {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-xl);
}

.legal-document h2 {
    color: var(--primary-color);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.legal-document h3 {
    color: var(--primary-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-document ul,
.legal-document ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.contact-info {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin: var(--spacing-lg) 0;
}

.document-footer {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-xl);
    font-style: italic;
    color: var(--text-secondary);
}

/* ===== MAPA DO SITE ===== */
.sitemap-content {
    padding: var(--spacing-xl) 0;
}

.sitemap-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.sitemap-section h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
}

.sitemap-section h3 {
    color: var(--primary-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.sitemap-list {
    list-style: none;
    padding: 0;
}

.sitemap-list li {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.sitemap-list li a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.sitemap-list li a:hover {
    text-decoration: underline;
}

.sitemap-list li p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.article-meta {
    font-size: 0.75rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    /* Navegação mobile */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-xl);
        transition: var(--transition-normal);
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* Tipografia mobile */
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .article-title {
        font-size: 2rem;
    }

    /* Layout mobile */
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .article-content .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .article-sidebar {
        position: static;
        order: -1;
    }

    .article-meta {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }

    /* Espaçamentos mobile */
    :root {
        --spacing-xxl: 2rem;
        --spacing-xl: 1.5rem;
    }

    .services-grid,
    .blog-grid,
    .mvv-grid,
    .differentials-grid,
    .consultancy-nav-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }

    .btn-large {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ===== UTILITÁRIOS ===== */
.text-center {
    text-align: center;
}

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

.text-right {
    text-align: right;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mt-0 {
    margin-top: 0;
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

/* ===== ACESSIBILIDADE ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus states para acessibilidade */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .header-fixed,
    .nav-toggle,
    .cta-section,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }

    p, li {
        page-break-inside: avoid;
    }
}



/* ===== ESTILOS PARA ELEMENTOS JAVASCRIPT ===== */

/* Mensagens de sucesso */
.success-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--accent-color);
    color: var(--text-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    transform: translateX(400px);
    opacity: 0;
    transition: all var(--transition-normal);
    max-width: 400px;
}

.success-message.show {
    transform: translateX(0);
    opacity: 1;
}

.success-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.success-icon {
    font-size: 1.25rem;
    font-weight: bold;
}

.success-text {
    flex: 1;
}

/* Erros de campo */
.field-error {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: block;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* Botão voltar ao topo */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 1000;
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Tooltips */
.tooltip {
    position: absolute;
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.875rem;
    white-space: nowrap;
    z-index: 10000;
    opacity: 0;
    transform: translateY(5px);
    transition: all var(--transition-fast);
    pointer-events: none;
}

.tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--bg-dark);
}

/* Header com scroll */
.header-fixed.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* Animações de entrada */
.service-card,
.blog-card,
.mvv-card,
.section-header {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.service-card.animate-in,
.blog-card.animate-in,
.mvv-card.animate-in,
.section-header.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Delay para animações em sequência */
.service-card:nth-child(1) { transition-delay: 0.1s; }
.service-card:nth-child(2) { transition-delay: 0.2s; }
.service-card:nth-child(3) { transition-delay: 0.3s; }
.service-card:nth-child(4) { transition-delay: 0.4s; }

.blog-card:nth-child(1) { transition-delay: 0.1s; }
.blog-card:nth-child(2) { transition-delay: 0.2s; }
.blog-card:nth-child(3) { transition-delay: 0.3s; }

/* Loading states */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Lazy loading para imagens */
img.lazy {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

img.lazy.loaded {
    opacity: 1;
}

/* Estados de foco melhorados */
.nav-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Melhorias para formulários */
.form-group {
    position: relative;
}

.form-group input:focus + label,
.form-group select:focus + label,
.form-group textarea:focus + label {
    color: var(--primary-color);
}

/* Newsletter form específico */
.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.newsletter-form input {
    flex: 1;
    margin-bottom: 0;
}

.newsletter-form button {
    white-space: nowrap;
}

/* Contadores animados */
.counter {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
}

/* Melhorias de acessibilidade */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link para acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Estados de hover melhorados */
.service-card:hover .service-icon {
    transform: scale(1.1);
    transition: transform var(--transition-fast);
}

.blog-card:hover .blog-title {
    color: var(--primary-dark);
}

/* Indicadores de carregamento para botões */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Melhorias para mobile */
@media (max-width: 768px) {
    .success-message {
        right: 10px;
        left: 10px;
        max-width: none;
        transform: translateY(-100px);
    }
    
    .success-message.show {
        transform: translateY(0);
    }
    
    #back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .tooltip {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    
    .newsletter-form {
        flex-direction: column;
        max-width: none;
    }
    
    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }
}

/* Melhorias para telas pequenas */
@media (max-width: 480px) {
    .success-message {
        top: 10px;
        right: 10px;
        left: 10px;
        padding: var(--spacing-sm);
    }
    
    .success-content {
        gap: var(--spacing-xs);
    }
    
    .success-text {
        font-size: 0.875rem;
    }
}

/* Estados de carregamento da página */
body:not(.loaded) .fade-in-up,
body:not(.loaded) .fade-in {
    opacity: 0;
}

body.loaded .fade-in-up,
body.loaded .fade-in {
    opacity: 1;
}

/* Melhorias para impressão */
@media print {
    #back-to-top,
    .success-message,
    .tooltip {
        display: none !important;
    }
}

/* Modo escuro (preparação para futuro) */
@media (prefers-color-scheme: dark) {
    .tooltip {
        background: var(--text-white);
        color: var(--text-primary);
    }
    
    .tooltip::after {
        border-top-color: var(--text-white);
    }
}

/* Redução de movimento para acessibilidade */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .service-card,
    .blog-card,
    .mvv-card,
    .section-header {
        transform: none;
        opacity: 1;
    }
}



.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
}

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



.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
}

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


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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}