.site-header {
  background-color: var(--dark-navy);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #ffffff;
}

.brand img {
  height: 40px;
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
}

.brand-subtitle {
  font-size: 0.9rem;
  color: #cccccc;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 20px;
}

.nav-link {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-lime);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--accent-lime);
  font-size: 1.8rem;
  cursor: pointer;
}

/* Responsive Mobile */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--dark-navy);
    flex-direction: column;
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

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