/* ===============================
   Navbar Styles (Sticky & Refined)
================================ */
.main-nav {
  position: sticky;
  top: 64px; /* adjust to match your header height */
  z-index: 999;
  background: #3b9a40;
  padding: 0.7rem 0;
  margin: 0;
  width: 100%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* Container for navigation links */
.main-nav ul {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Link styling */
.main-nav a {
  text-decoration: none;
  color: #fff;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.main-nav a:hover,
.main-nav a:focus {
  background-color: rgba(255, 255, 255, 0.15);
  color: #eaffea;
}

/* Optional: subtle underline for current page */
.main-nav a.active {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .main-nav ul {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .main-nav a {
    font-size: 0.95rem;
    padding: 8px 10px;
  }
}