/* Main navigation bar — light theme */
.main-nav {
  background: var(--gray-light);
  border-bottom: 1px solid var(--gray-mid);
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

.nav-item > a {
  display: block;
  padding: 4px 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: bold;
  white-space: nowrap;
}

.nav-item > a:hover,
.nav-item > a[aria-current="page"] {
  background: var(--green);
  color: var(--white);
  text-decoration: none;
}

/* Hamburger — hidden on desktop */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 12px;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--green);
  margin: 4px 0;
  transition: transform 0.2s, opacity 0.2s;
}

/* Mobile nav */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
  }

  .nav-list.open {
    display: flex;
  }

  .nav-item > a {
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-mid);
  }
}