nav {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  padding: 10px 30px; 
  transition: padding 0.3s ease, background-color 0.3s ease;
  z-index: 10000;
  display: flex; 
  align-items: center; 
}


.logo-menu {
  margin-right: 20px; 
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease; 
}

.logo-img {
  width: 100px; 
  height: auto; 
  transition: width 0.3s ease;
}


nav.scrolled {
  position: fixed; 
  top: 0;
  left: 0;
  width: 100%;
  background: #4d0686; 
  padding: 5px 30px; 
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2); 
  z-index: 10000; 
  transition: padding 0.3s ease; 
}

nav.scrolled .logo-menu {
  opacity: 1; 
}

nav.scrolled .logo-img {
  width: 60px; 
}


.nav-menu {
  list-style: none;
  display: flex;
  justify-content: flex-end;
  flex-grow: 1; 
  margin: 0;
  padding: 0;
}

.nav-menu li {
  margin-left: 20px;
}

.nav-menu a {
  text-decoration: none;
  color: white;
  font-weight: 300;
  transition: color 0.3s ease;
}

.nav-menu a:hover {
  color: #ddd;
}


.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  position: absolute;
  right: 20px;
  top: 40px;
  z-index: 100;
}

.menu-toggle .bar {
  width: 30px;
  height: 4px;
  background-color: white;
  margin: 3px 0;
  transition: all 0.3s ease;
}


.additional-options {
  display: none; 
  list-style: none;
  margin-top: 10px;
  padding: 10px;
}

.additional-options li {
  margin: 10px 0;
}

.additional-options a {
  color: white;
  font-size: 1.2rem;
}

.additional-options a:hover {
  color: #4d0686;
  transition: 0.3s;
}


.linkedin-link {
  margin-top: 10px;
  font-size: 1rem;
  color: #0077b5;
  text-align: center;
}

.linkedin-link:hover {
  color: #005c8b;
  text-decoration: underline;
}


@media screen and (max-width: 768px) {
  
  nav.scrolled {
    position: absolute; 
    background: transparent; 
    box-shadow: none; 
  }

  
  .logo-menu {
    display: none;
  }

  
  .menu-toggle {
    display: flex; 
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000; 
  }

  
  .nav-menu {
    display: flex; 
    position: fixed; 
    top: 60px; 
    right: 0;
    background: #4d0686;
    width: 250px;
    padding: 10px;
    border-radius: 5px 0 0 5px;
    border: 2px solid white;
    flex-direction: column;
    z-index: 9999;

  
    transform: translateX(100%); 
    opacity: 0; 
    transition: transform 0.4s ease-out, opacity 0.3s ease-out;
  }

  
  .nav-menu.active {
    display: flex; 
    transform: translateX(0); 
    opacity: 1;
  }

  .nav-menu li {
    margin: 10px 0;
  }

  .nav-menu a {
    color: #6f00c0; 
    display: block;
    padding: 12px 20px;
    background: #6f00c0; 
    color: white;
    font-size: 1.2rem;
    text-align: center;
    text-decoration: none;
    border: 2px solid #6f00c0; 
    border-radius: 8px; 
    transition: background 0.3s, transform 0.2s;
  }

  .nav-menu a:hover {
    background: #4d0686; 
    transform: scale(1.05); 
    color: white; 
  }

 
  .nav-menu.active + .additional-options {
    display: block; 
  }

  
  .linkedin-link {
    margin-top: 10px;
    font-size: 1rem;
    color: #0077b5;
    text-align: center;
  }

  .linkedin-link:hover {
    color: #005c8b;
    text-decoration: underline;
  }
}


@media (max-width: 768px) {
  .image-about-us {
    width: 100%; 
    max-width: 300px; 
    margin: 0 auto; 
  }
}