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

:root {
    --primary-color: #007BFF;
    --primary-dark: #0056b3;
    --bg-light: #F8F9FA;
    --text-color: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 123, 255, 0.2);
    --border-radius: 8px;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-light);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header e Navegação */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.lang-selector {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: 2rem;
    padding-left: 2rem;
    border-left: 2px solid #e0e0e0;
}

.lang-btn {
    padding: 0.4rem 0.8rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    color: #666666;
    border-radius: 6px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.lang-btn:hover {
    color: var(--primary-color);
    background: rgba(0, 123, 255, 0.1);
}

.lang-btn.active {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

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

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

/* Seções */
section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

/* Sobre */
.sobre {
    background: var(--white);
}

.sobre-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Serviços */
.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.servico-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.servico-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.servico-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.servico-card p {
    color: var(--text-light);
}

/* Depoimentos */
.depoimentos {
    background: var(--white);
}

.depoimento {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
}

.depoimento-texto {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.depoimento-autor {
    font-weight: 600;
    color: var(--primary-color);
}

/* Contato */
.form-contato {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* AdSense */
.adsense-container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 20px;
    text-align: center;
}

/* Footer */
.footer {
    background: var(--text-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Animações */
.fade-in {
    animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsivo */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
    }
    
    .lang-selector {
        margin-right: 1rem;
    }
    
    .lang-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.85rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .servicos-grid {
        grid-template-columns: 1fr;
    }
}


/* Menu Mobile Ativo */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow);
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin-bottom: 1rem;
    }
}

/* Melhorias de acessibilidade */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline: 2px solid var(--primary-color);
}

/* Animações adicionais */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

/* Loading spinner */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

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

/* Tooltips */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-color);
    color: var(--white);
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

[data-tooltip]:hover::after {
    opacity: 1;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .adsense-container,
    .btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* Modo escuro (preparado para implementação futura) */
@media (prefers-color-scheme: dark) {
    /* Descomente para ativar modo escuro automático
    :root {
        --bg-light: #1a1a1a;
        --white: #2d2d2d;
        --text-color: #e0e0e0;
        --text-light: #b0b0b0;
    }
    */
}

/* Melhorias de performance */
.servico-card,
.depoimento,
.form-contato {
    will-change: transform;
}

/* Acessibilidade - Skip to content */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-to-content:focus {
    top: 0;
}


/* ═══════════════════════════════════════════════════════════════
   Language Selector Dropdown
   ═══════════════════════════════════════════════════════════════ */

.language-selector {
    position: relative;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(0, 123, 255, 0.3);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-family: 'Open Sans', sans-serif;
}

.lang-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    list-style: none;
    padding: 0.5rem 0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.lang-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-menu li {
    margin: 0;
}

.lang-menu a {
    display: block;
    padding: 0.7rem 1.2rem;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.lang-menu a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 1.5rem;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .language-selector {
        width: 100%;
        margin-top: 1rem;
    }
    
    .lang-btn {
        width: 100%;
        justify-content: space-between;
    }
    
    .lang-menu {
        position: static;
        width: 100%;
        margin-top: 0.5rem;
        box-shadow: none;
        border: 1px solid #e0e0e0;
    }
    
    .lang-menu.active {
        transform: none;
    }
}