/* --------------------------- Reset Básico --------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* --------------------------- Variáveis de Tema --------------------------- */
  :root {
    --cor-primaria: #f4a300;
    --cor-secundaria: #cc5200;
    --cor-fundo: #121212;
    --cor-header-footer: #181818;
    --cor-texto: #ffffff;
    --cor-texto-secundario: #dddddd;
    --cor-card: #1e1e1e;
  }
  
  /* --------------------------- Estilo Geral --------------------------- */
  body {
    font-family: 'Arial', sans-serif;
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    line-height: 1.7;
    font-size: 16px;
    scroll-behavior: smooth;
  }
  
  /* --------------------------- HEADER --------------------------- */
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 48px;
    background-color: var(--cor-header-footer);
    position: relative;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  }
  
  header .logo h1 {
    font-size: 2.2rem;
    color: var(--cor-primaria);
    font-weight: 700;
    letter-spacing: 1px;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
  }
  
  nav ul li a {
    text-decoration: none;
    color: var(--cor-texto);
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
  }
  
  nav ul li a:hover {
    background-color: var(--cor-primaria);
    color: #111;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
  
  /* --------------------------- Barra Decorativa --------------------------- */
  .orange-bar {
    width: 100%;
    height: 4px;
    background-color: var(--cor-primaria);
  }
  
  /* --------------------------- CONTEÚDO PRINCIPAL --------------------------- */
  main {
    padding: 60px 20px;
    max-width: 1000px;
    margin: 0 auto;
  }
  
  main section {
    background-color: var(--cor-card);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
  }
  
  main section:hover {
    transform: translateY(-5px);
  }
  
  main section h1 {
    color: var(--cor-primaria);
    font-size: 2.5rem;
    margin-bottom: 20px;
  }
  
  main section p {
    font-size: 1.15rem;
    color: var(--cor-texto-secundario);
    line-height: 1.8;
  }
  
  /* --------------------------- FOOTER --------------------------- */
  footer {
    background-color: var(--cor-header-footer);
    color: var(--cor-texto);
    text-align: center;
    padding: 24px 0;
    font-size: 1rem;
    border-top: 4px solid var(--cor-primaria);
    margin-top: 60px;
  }
  
  /* --------------------------- Responsividade --------------------------- */
  @media (max-width: 768px) {
    header {
      flex-direction: column;
      align-items: flex-start;
      gap: 20px;
      padding: 20px;
    }
  
    nav ul {
      flex-direction: column;
      width: 100%;
      gap: 10px;
    }
  
    nav ul li a {
      display: block;
      width: 100%;
    }
  
    main {
      padding: 30px 16px;
    }
  
    main section {
      padding: 24px;
    }
  
    main section h1 {
      font-size: 1.8rem;
    }
  
    main section p {
      font-size: 1rem;
    }
  }