header {
  background: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 20px 40px;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

/* Logo */
header img {
  height: 50px;
  max-height: 50px;
  max-width: 160px;
  /*object-fit: contain;*/
}

/* Menu toggle (only visible on mobile) */
.menu-toggle {
  display: none;
  font-size: 28px;
  background: none;
  border: none;
  cursor: pointer;
  color: #333;
}

/* Nav links */
nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s;
}
nav a:hover {
  color: #0077cc;
}

/* Mobile View */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  nav {
    display: none;
    flex-direction: column;
    width: 100%;
    background: #fff;
    margin-top: 10px;
    align-items: center;
  }

  nav.show {
    display: flex;
  }

  nav a {
    margin: 10px 0;
    font-size: 1.1rem;
  }

  header {
    padding: 15px 20px;
    flex-direction: column;
    align-items: stretch;
  }

  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .menu-toggle {
    display: block;
  }

  nav {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
    background: #fff;
    padding: 10px 0;
  }

  nav.show {
    display: flex;
  }

  nav a {
    margin: 10px 0;
    font-size: 1.1rem;
  }
}

nav a:hover {
  color: #0077cc;
}