.aquarium-header {
  background: linear-gradient(135deg, #001a0f 0%, #002a1f 100%);
  border-bottom: 1px solid #059669;
  padding: 1rem 0;
}

.aquarium-header .brand-link {
  color: #059669;
  font-weight: bold;
  font-size: 1.3rem;
  text-decoration: none;
}

.aquarium-header nav a {
  color: #059669;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.aquarium-header nav a:hover {
  background: rgba(5, 150, 105, 0.1);
}

.aquarium-footer {
  background: #001a0f;
  border-top: 1px solid #059669;
  padding: 2rem 0;
  margin-top: 3rem;
}

.aquarium-footer h5 {
  color: #059669;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.aquarium-footer a {
  color: #059669;
  opacity: 0.7;
  text-decoration: none;
}

.aquarium-footer a:hover {
  opacity: 1;
}

.header-grid {
  grid-template-columns: auto auto;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .header-grid {
    grid-template-columns: auto;
  }
  .desktop-nav-header {
    display: none;
  }
}