header {
    background-color: transparent;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    box-sizing: border-box;
    z-index: 10;
  }

  .logo {
    display: flex;
    align-items: center;
    height: 100%;
  }

  nav {
    display: flex;
    gap: 20px;
  }

  nav a {
    text-decoration: none;
    color: #006633;
    font-weight: bold;
    font-size: 16px;
  }

  .menu-toggle {
    display: none;
    font-size: 28px;
    color: #006633;
    cursor: pointer;
    margin-top: -20px;
    margin-right: 20px;
  }
  .menu-toggle::before {
    content: "☰";
  }
  .menu-toggle.open::before {
    content: "×";
  }

  
  @media (max-width: 768px) {
    header {
      flex-direction: row;
      justify-content: space-between;
      height: auto;
      padding: 10px 20px;
    }

    .menu-toggle {
      display: block;
    }

    nav {
      display: none;
      flex-direction: column;
      background-color: white;
      position: absolute;
      top: 80px;
      left: 0;
      width: 100%;
      padding: 10px 0;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      z-index: 9;
      margin-left: 0;
      gap: 10px;
      align-items: center;
    }

    nav.menu-open {
      display: flex;
    }

    
  }