.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 8px rgba(0,0,0,0.08);
  height: var(--nav-height);
  transition: var(--transition);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo img {
  height: 120px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links > li {
  position: relative;
}

.nav-links a,
.nav-links .nav-toggle-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
  transition: var(--transition);
  white-space: nowrap;
  border-radius: var(--radius);
}

.nav-links a:hover,
.nav-links .nav-toggle-btn:hover {
  color: var(--color-primary);
}

.nav-toggle-btn {
  cursor: pointer;
}

.dropdown-arrow {
  font-size: 0.6rem;
  transition: transform 0.2s;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  padding: 8px 0;
  z-index: 100;
}

.nav-links li:hover .dropdown,
.nav-links li.open .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 400;
}

.dropdown a:hover {
  background: var(--color-bg-light);
  color: var(--color-primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px 0;
}

.hamburger span {
  display: block;
  height: 3px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 1024px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 0;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.35s ease;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .nav-links > li { border-bottom: 1px solid #eee; }

  .nav-links a,
  .nav-links .nav-toggle-btn {
    padding: 14px 0;
    font-size: 1rem;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    display: none;
    padding: 0 0 0 16px;
  }

  .nav-links li.open .dropdown {
    display: block;
  }

  .nav-links li:hover .dropdown {
    opacity: 0;
    visibility: hidden;
  }
  .nav-links li.open .dropdown {
    opacity: 1;
    visibility: visible;
  }

}