.navbar {
  background-color: var(--slate-300);
  border-bottom: 1px solid var(--slate-400);
  padding: 0.8rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
}

.nav-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

.nav-link {
  border-radius: 4px;
  color: var(--slate-700);
  font-size: 1.1rem;
  padding: 0.4rem 1rem;
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
}

.nav-link:hover {
  color: var(--slate-700);
}

.nav-link.active {
  background-color: var(--slate-200);
  color: var(--slate-700);
}

/* Hamburger menu button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  position: relative;
}

.hamburger-line {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--slate-700);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* Mobile responsive styles */
@media (max-width: 600px) {
  .nav-container {
    padding: 0 1rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--slate-300);
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
    border-bottom: 1px solid var(--slate-400);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    align-items: flex-start;
  }

  .nav-links.nav-active {
    display: flex;
  }

  .nav-link {
    width: 100px;
    text-align: center;
    padding: 0.4rem 1rem;
    border-radius: 4px;
  }
}