/* Navigation Styles */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(24, 24, 24, 0.5);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 3rem;
}

/* Main Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-color);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

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

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.dropdown-link:hover {
  background: var(--bg-tertiary);
  color: var(--accent-color);
}

.dropdown-link span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.lang-toggle:hover {
  background: var(--bg-secondary);
}

.lang-btn {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  color: var(--text-muted);
  transition: var(--transition);
}

.lang-btn.active {
  background: var(--accent-color);
  color: white;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-color);
  transition: var(--transition);
}

/* Mobile Styles */
@media screen and (max-width: 1024px) {
  .header-inner {
    padding: 0 1rem;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    height: calc(100vh - 60px);
    height: calc(100dvh - 60px);
    background-color: rgba(24, 24, 24, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
    overflow-y: auto;
  }

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

  .nav-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-link {
    padding: 1rem;
    font-size: 1.1rem;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 0.5rem 1rem;
    display: none;
    min-width: auto;
  }

  .nav-item.open .dropdown {
    display: block;
  }

  .dropdown-link {
    padding: 0.75rem 1rem;
  }

  .lang-toggle {
    margin: 1rem 0 0 0;
    justify-content: center;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}