body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      line-height: 1.6;
      scroll-behavior: smooth;
      background: #f9f9f9;
      color: #333;
    }
    h1, h2 {
      text-align: center;
      margin-top: 0;
    }
    section {
      padding: 60px 20px;
      max-width: 900px;
      margin: auto;
    }
    /* ====== MENU FIXO ====== */
    header {
      position: fixed;
      top: 0;
      width: 100%;
      background: #222;
      color: #fff;
      z-index: 1000;
    }
    nav {
      display: flex;
      justify-content: center;
      padding: 15px;
    }
    nav a {
      color: #fff;
      text-decoration: none;
      margin: 0 15px;
      font-weight: bold;
      transition: color 0.3s;
    }
    nav a:hover {
      color: #00bcd4;
    }
    /* ====== PERFIL PESSOAL ====== */
    #perfil {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
    #perfil img {
      width: 150px;
      height: 150px;
      border-radius: 50%;
      margin-bottom: 15px;
      border: 3px solid #00bcd4;
    }
    /* ====== CARDS ====== */
    .card {
      background: #fff;
      padding: 20px;
      margin: 15px 0;
      border-radius: 10px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    /* ====== HABILIDADES ====== */
    .skills {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
    }
    .skill {
      background: #00bcd4;
      color: #fff;
      margin: 5px;
      padding: 10px 20px;
      border-radius: 20px;
      font-size: 14px;
    }
    /* ====== CONTATO ====== */
    form {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    input, textarea {
      padding: 10px;
      border: 1px solid #ccc;
      border-radius: 5px;
      font-size: 14px;
    }
    button {
      padding: 10px;
      background: #00bcd4;
      border: none;
      border-radius: 5px;
      color: #fff;
      font-size: 16px;
      cursor: pointer;
      transition: 0.3s;
    }
    button:hover {
      background: #0097a7;
    }

    /* ====== PROJETOS GITHUB ====== */
    #lista-projetos-github {
    max-width: 800px;
    margin: 20px auto;
    }

    .projeto-item {
        border: 1px solid #ddd;
        border-radius: 8px;
        padding: 16px;
        margin-bottom: 12px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .projeto-item h3 {
        margin-top: 0;
    }

    .projeto-item h3 a {
        text-decoration: none;
        color: #0366d6;
        font-size: 1.25em;
    }
    
    .projeto-item h3 a:hover {
        text-decoration: underline;
    }

    .projeto-item p {
        color: #586069;
        margin-bottom: 0;
    }
 
    /* ====== RESPONSIVO ====== */
    @media (max-width: 600px) {
      nav {
        flex-direction: column;
      }
    }