/* ==========================================================================
       1. VARIÁVEIS & TEMA (LIGHT & DARK MODE)
       ========================================================================== */
    :root {
      --primary: #121936;
      --primary-light: #1E2952;
      --accent: #C1123F;
      --accent-hover: #A00E33;
      --accent-light: rgba(193, 18, 63, 0.08);
      
      --bg-body: #FAFAFC;
      --bg-alt: #F1F4F9;
      --bg-card: #FFFFFF;
      --bg-header: rgba(255, 255, 255, 0.95);
      
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      
      --max-width: 1200px;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-sm: 0 2px 8px rgba(18, 25, 54, 0.04);
      --shadow-md: 0 12px 32px -4px rgba(18, 25, 54, 0.08);
      --shadow-lg: 0 20px 40px -8px rgba(18, 25, 54, 0.12);
      --transition: all 0.25s ease;
      
      --header-height: 80px; /* Altura de referência do cabeçalho */
    }

    [data-theme="dark"] {
      --bg-body: #0A0E1A;
      --bg-alt: #121829;
      --bg-card: #182035;
      --bg-header: rgba(10, 14, 26, 0.95);
      
      --text-main: #F8FAFC;
      --text-muted: #CBD5E1;
      --text-light: #64748B;
      --border-color: #263352;
      
      --accent-light: rgba(193, 18, 63, 0.2);
    }

    /* ==========================================================================
       2. RESET & NAVEGAÇÃO DIRETA
       ========================================================================== */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html, body {
      max-width: 100%;
      overflow-x: hidden;
    }

    /* Ajuste de scroll instantâneo/direto */
    html {
      scroll-behavior: auto; /* Remove a rolagem arrastada ao clicar nos links */
      font-size: 16px;
    }

    body {
      font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
      background-color: var(--bg-body);
      color: var(--text-main);
      line-height: 1.6;
      transition: background-color 0.3s ease, color 0.3s ease;
      -webkit-font-smoothing: antialiased;
      
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
      user-select: none;
    }

    /* Deslocamento de ancoragem para não cobrir o título da seção com o menu fixo */
    section[id] {
      scroll-margin-top: calc(var(--header-height) + 20px);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
      -webkit-user-drag: none;
      user-drag: none;
      pointer-events: none;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    a, button {
      pointer-events: auto !important;
    }

    /* ==========================================================================
       3. LAYOUT & UTILS
       ========================================================================== */
    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    .section {
      padding: 96px 0;
    }

    .bg-alt {
      background-color: var(--bg-alt);
    }

    .grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }

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

    .section-header {
      max-width: 680px;
      margin: 0 auto 56px auto;
    }

    .section-subtitle {
      display: inline-block;
      font-size: 0.875rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--accent);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -0.02em;
    }

    .section-desc {
      font-size: 1.125rem;
      color: var(--text-muted);
      margin-top: 16px;
    }

    /* ==========================================================================
       4. COMPONENTES
       ========================================================================== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 12px 24px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      cursor: pointer;
      border: 2px solid transparent;
    }

    .btn-primary {
      background-color: var(--accent);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(193, 18, 63, 0.35);
    }

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

    .btn-secondary {
      background-color: transparent;
      color: #FFFFFF;
      border-color: rgba(255, 255, 255, 0.3);
    }

    .btn-secondary:hover {
      background-color: #FFFFFF;
      color: var(--primary);
    }

    .btn-lg {
      padding: 16px 32px;
      font-size: 1.05rem;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
      padding: 8px 16px;
      border-radius: 100px;
      font-size: 0.875rem;
      font-weight: 600;
      border: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
    }

    .theme-toggle {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: 100px;
      cursor: pointer;
      font-size: 0.875rem;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .theme-toggle:hover {
      border-color: var(--accent);
      color: var(--accent);
    }

    .theme-toggle-text {
      font-size: 0.85rem;
      white-space: nowrap;
    }

    /* ==========================================================================
       5. HEADER FIXO NO DESKTOP (PERMANECE VISÍVEL AO DESCER A PÁGINA)
       ========================================================================== */
    .header {
      position: fixed; /* Fixa o cabeçalho no topo da tela */
      top: 0;
      left: 0;
      width: 100%;
      height: var(--header-height);
      background-color: var(--bg-header);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      z-index: 1000;
      display: flex;
      align-items: center;
      transition: background-color 0.3s ease;
    }

    /* Compensação para o conteúdo principal não ficar debaixo do header fixo */
    main {
      padding-top: var(--header-height);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .nav {
      margin: 0 auto; /* Centraliza a navegação no desktop */
    }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .nav-link:hover {
      color: var(--accent);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .logo-img {
      height: 42px;
      width: auto;
      object-fit: contain;
      mix-blend-mode: multiply;
    }

    [data-theme="dark"] .logo-img {
      mix-blend-mode: normal;
      background: #FFFFFF;
      padding: 4px 8px;
      border-radius: var(--radius-sm);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      z-index: 1001;
    }

    .hamburger-icon {
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      display: block;
      position: relative;
      transition: var(--transition);
    }

    .hamburger-icon::before,
    .hamburger-icon::after {
      content: '';
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      position: absolute;
      left: 0;
      transition: var(--transition);
    }

    .hamburger-icon::before { top: -7px; }
    .hamburger-icon::after { bottom: -7px; }

    .menu-toggle.active .hamburger-icon {
      background-color: transparent;
    }
    .menu-toggle.active .hamburger-icon::before {
      transform: rotate(45deg);
      top: 0;
    }
    .menu-toggle.active .hamburger-icon::after {
      transform: rotate(-45deg);
      bottom: 0;
    }

    .nav-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(10, 14, 26, 0.6);
      backdrop-filter: blur(4px);
      z-index: 999;
      opacity: 0;
      transition: opacity 0.3s ease;
      pointer-events: none;
    }

    .nav-overlay.active {
      opacity: 1;
      pointer-events: auto;
    }

    /* ==========================================================================
       6. HERO SECTION
       ========================================================================== */
    .hero {
      position: relative;
      background: linear-gradient(135deg, #121936 0%, #0A0E21 100%);
      color: #FFFFFF;
      padding: 80px 0 100px 0;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 56px;
      align-items: center;
    }

    .hero-text h1 {
      font-size: 3.125rem;
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -0.03em;
      margin: 20px 0 24px 0;
    }

    .hero-text p {
      font-size: 1.25rem;
      color: #CBD5E1;
      line-height: 1.6;
      margin-bottom: 36px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .hero-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 40px;
      backdrop-filter: blur(16px);
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
    }

    .hero-card-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--accent);
      background: rgba(193, 18, 63, 0.15);
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      margin-bottom: 20px;
    }

    .hero-card h3 {
      font-size: 1.5rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 12px;
      color: #FFFFFF;
    }

    .hero-card p {
      color: #94A3B8;
      font-size: 1rem;
    }

    /* ==========================================================================
       7. SOBRE A COGNITIO
       ========================================================================== */
    .about-content h2 {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin: 12px 0 20px 0;
      line-height: 1.25;
    }

    .about-content p {
      font-size: 1.0625rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .about-card-wrapper {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .about-img {
      width: 100%;
      height: 480px;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }

    .about-card-wrapper:hover .about-img {
      transform: scale(1.03);
    }

    .about-quote-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(180deg, rgba(18, 25, 54, 0) 0%, rgba(18, 25, 54, 0.95) 100%);
      padding: 32px;
      color: #FFFFFF;
    }

    .about-quote-overlay blockquote {
      font-size: 1.2rem;
      font-weight: 600;
      line-height: 1.4;
      font-style: italic;
      border-left: 4px solid var(--accent);
      padding-left: 16px;
    }

    /* ==========================================================================
       8. IMPACTO / METRICAS
       ========================================================================== */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 32px;
    }

    .metric-card {
      background: var(--bg-card);
      padding: 36px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(193, 18, 63, 0.3);
    }

    .metric-num {
      display: block;
      font-size: 3rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 12px;
    }

    .metric-card h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .metric-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
    }

    /* ==========================================================================
       9. SERVIÇOS
       ========================================================================== */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .service-card {
      background: var(--bg-card);
      padding: 32px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }

    .service-icon {
      width: 48px;
      height: 48px;
      background: var(--accent-light);
      color: var(--accent);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

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

    .service-card.highlight {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }

    .service-card.highlight h3 { color: #FFFFFF; }
    .service-card.highlight p { color: #94A3B8; }
    .service-card.highlight .service-icon {
      background: rgba(255, 255, 255, 0.1);
      color: #FFFFFF;
    }

    /* ==========================================================================
       10. DEPOIMENTOS
       ========================================================================== */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 32px;
    }

    .testimonial-card {
      background: var(--bg-card);
      padding: 36px 32px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-card p {
      font-size: 1rem;
      color: var(--text-main);
      font-style: italic;
      margin-bottom: 24px;
    }

    .testimonial-author {
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    /* ==========================================================================
       12. FOOTER
       ========================================================================== */
    .footer {
      background-color: #0A0E21;
      color: #94A3B8;
      padding: 64px 0 32px 0;
      border-top: 1px solid var(--border-color);
    }

    .footer-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 24px;
      text-align: center;
    }

    .footer-logo {
      height: 40px;
      width: auto;
      background: #FFFFFF;
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      object-fit: contain;
    }

    .footer-bottom {
      margin-top: 32px;
      padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      width: 100%;
      font-size: 0.875rem;
    }

    /* ==========================================================================
       11b. FAQ (Perguntas Frequentes)
       ========================================================================== */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 24px 28px;
      background: none;
      border: none;
      text-align: left;
      font-family: inherit;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
    }

    .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--accent-light);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 700;
      transition: var(--transition);
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 28px;
    }

    .faq-answer p {
      color: var(--text-muted);
      font-size: 0.975rem;
      padding-bottom: 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 400px;
    }

    /* ==========================================================================
       11c. FORMULÁRIO DE CONTATO
       ========================================================================== */
    .contact-grid {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 56px;
      align-items: start;
    }

    .contact-info-list {
      margin-top: 32px;
      display: flex;
      flex-direction: column;
    }

    .contact-info-item {
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 18px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .contact-info-item:first-child { padding-top: 0; }

    .contact-info-item span {
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .contact-info-item a,
    .contact-info-item p {
      color: var(--accent);
      font-weight: 600;
      font-size: 1rem;
    }

    .contact-form-card {
      background: var(--bg-alt);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 12px 16px;
      font-family: inherit;
      font-size: 0.95rem;
      color: var(--text-main);
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

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

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px var(--accent-light);
    }

    .form-submit-btn {
      width: 100%;
      border: none;
    }

    .form-status {
      margin-top: 16px;
      font-size: 0.9rem;
      font-weight: 600;
      text-align: center;
    }

    .form-status.success { color: #16A34A; }
    .form-status.error { color: var(--accent); }

    /* ==========================================================================
       11d. AVISO DE COOKIES (LGPD)
       ========================================================================== */
    .cookie-banner {
      position: fixed;
      left: 24px;
      right: 24px;
      bottom: 24px;
      max-width: 560px;
      margin: 0 auto;
      background: var(--primary);
      color: #FFFFFF;
      padding: 24px 28px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      z-index: 2000;
      display: none;
      flex-direction: column;
      gap: 16px;
    }

    .cookie-banner.active {
      display: flex;
    }

    .cookie-banner p {
      font-size: 0.9rem;
      color: #CBD5E1;
    }

    .cookie-banner-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .cookie-banner-actions .btn {
      padding: 10px 20px;
      font-size: 0.875rem;
    }

    .cookie-banner-actions .btn-secondary {
      color: #FFFFFF;
      border-color: rgba(255, 255, 255, 0.3);
    }

    /* ==========================================================================
       13. RESPONSIVIDADE (REGRAS EXCLUSIVAS PARA MOBILE)
       ========================================================================== */
    @media (max-width: 992px) {
      .grid-2, .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
      }

      .hero { padding: 60px 0 80px 0; }
      .hero-text h1 { font-size: 2.25rem; }
      .about-img { height: 380px; }
      .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }

      .nav-overlay {
        display: block;
      }

      /* Transformação em gaveta lateral exclusiva para mobile */
      .nav-list {
        position: fixed;
        top: 0;
        right: 0;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--bg-card);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 100px 32px 32px 32px;
        gap: 24px;
        box-shadow: -10px 0 30px rgba(0,0,0,0.2);
        
        transform: translateX(100%);
        visibility: hidden;
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s;
        z-index: 1000;
      }

      .nav-list.active {
        transform: translateX(0);
        visibility: visible;
      }

      .nav-link {
        font-size: 1.125rem;
        color: var(--text-main);
      }

      .section { padding: 64px 0; }

      .hero-actions {
        flex-direction: column;
        width: 100%;
      }

      .btn { width: 100%; }

      .theme-toggle-text {
        display: none;
      }
      .theme-toggle {
        padding: 8px 10px;
        border-radius: var(--radius-sm);
      }

      .form-row { grid-template-columns: 1fr; gap: 0; }
      .contact-form-card { padding: 28px 24px; }
    }