/* ===== MAIN NAVIGATION ===== */

.main-nav {
  display: flex;
  justify-content: center;
  margin: 2rem 0 1rem 0;
}

/* Container */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 0.8rem;
  padding: 0.6rem 1rem;
  margin: 0;

  background: #161b22;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;

  box-shadow:
    0 10px 30px rgba(0,0,0,0.6),
    0 0 0 1px rgba(255,255,255,0.03) inset;
}

/* Links */
.main-nav a {
  display: block;
  padding: 0.6rem 1.4rem;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;

  color: #cbd5e1;
  border-radius: 12px;
  transition: all 0.25s ease;
}

/* Hover */
.main-nav a:hover {
  background: rgba(255,255,255,0.20);
  color: #ffffff;
}

/* Active Page */
.main-nav a.active {
  background: linear-gradient(
    135deg,
    #2563eb,
    #1d4ed8
  );
  color: #ffffff;
  font-weight: 600;

  box-shadow:
    0 4px 12px rgba(37, 99, 235, 0.35),
    0 0 0 1px rgba(255,255,255,0.15) inset;
}

/* Responsive */
@media (max-width: 768px) {
  .main-nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
}