/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    color: #222;
    line-height: 1.6;
    font-size: 16px;
    padding: 0 1rem;
  }
  
  a {
    color: #0056b3;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  header {
    background-color: #111;
    padding: 1rem 0;
    margin-bottom: 2rem;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
  }
  
  nav ul li a {
    color: #fff;
    font-weight: 500;
    transition: color 0.3s ease;
  }
  
  nav ul li a:hover {
    color: #f0a500;
  }
  
  main {
    max-width: 850px;
    margin: auto;
  }
  
  .hero {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
    color: #111;
    margin-bottom: 0.5rem;
  }
  
  .hero p {
    font-size: 1.2rem;
    color: #555;
  }
  
  .conteudo h2 {
    font-size: 1.8rem;
    color: #111;
    margin: 1.5rem 0 0.5rem;
  }
  
  .conteudo p {
    margin-bottom: 1rem;
  }
  
  .conteudo ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
  }
  
  .conteudo ul li {
    margin-bottom: 0.5rem;
  }
  
  footer {
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
    color: #777;
    border-top: 1px solid #ddd;
    margin-top: 3rem;
  }

  :root {
    --cor-principal: #f0a500;
    --cor-secundaria: #111;
    --cor-texto: #222;
    --cor-link: #0056b3;
  }
  
  a {
    color: var(--cor-link);
  }
  
  nav ul li a:hover {
    color: var(--cor-principal);
  }
  
  .hero h1 {
    color: var(--cor-principal);
  }