/**
 * =====================================================
 * NAVIGATION STYLES
 * =====================================================
 * Hauptnavigation für Desktop und Mobile
 * Nutzt das zentrale Design-System (design-system.css)
 * =====================================================
 */

/* Navigation Container */
.main-nav {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(252, 249, 242, 0.98) 100%);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-slow);
  border-bottom: var(--border-width) solid rgba(71, 127, 186, 0.1);
}

.main-nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
  gap: var(--spacing-2xl);
}

/* Logo */
.logo {
  flex-shrink: 0;
  line-height: 0;
}

.logo img {
  height: 65px;
  width: auto;
  transition: all var(--transition-slow);
}

.logo:hover img {
  opacity: 0.8;
}

/* Desktop Navigation */
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.main-nav .nav-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  letter-spacing: 0.3px;
  position: relative;
  padding: 10px 0;
  transition: color var(--transition-fast);
}

.main-nav .nav-link:hover {
  color: var(--secondary);
  text-decoration: none;
}

.main-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-slow);
}

.main-nav .nav-link:hover::after {
  width: 100%;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.main-nav .nav-dropdown > .nav-link::before {
  content: '';
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform var(--transition-fast);
}

.main-nav .nav-dropdown:hover > .nav-link::before {
  transform: translateY(-50%) rotate(180deg);
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--background-white);
  min-width: 200px;
  padding: 12px 0;
  margin-top: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.nav-dropdown:hover .dropdown-content {
  opacity: 1;
  visibility: visible;
  margin-top: 12px;
}

.dropdown-content a {
  display: block;
  padding: 12px 24px;
  color: var(--primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.dropdown-content a:hover {
  background: var(--background-light);
  color: var(--secondary);
  text-decoration: none;
  padding-left: 28px;
}

/* Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-shrink: 0;
}

/* Language Switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.lang-switch a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  letter-spacing: 0.5px;
}

.lang-switch a:hover {
  color: var(--primary);
  text-decoration: none;
}

.lang-switch a.active {
  color: var(--primary);
  font-weight: var(--font-weight-semibold);
}

.lang-switch .separator {
  color: var(--border-light);
  user-select: none;
}

/* Inquiry Button - jetzt zentral in design-system.css definiert */

/* Mobile Menu Button */
.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.menu-btn:focus {
  outline: none;
}

.menu-btn span {
  display: block;
  width: 26px;
  height: 3px;
  background-color: var(--primary);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-slow);
}

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

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

.menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  background: var(--background-white);
  border-top: var(--border-width) solid var(--background-gray);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.mobile-nav.active {
  max-height: 600px;
  overflow-y: auto;
}

.mobile-nav-content {
  padding: var(--spacing-lg) var(--spacing-md);
}

.mobile-link {
  display: block;
  padding: 14px 10px;
  color: var(--primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  border-bottom: var(--border-width) solid #f0f0f0;
  transition: color var(--transition-fast);
  -webkit-tap-highlight-color: rgba(71, 127, 186, 0.1);
}

.mobile-link:hover,
.mobile-link:active {
  color: var(--secondary);
  text-decoration: none;
}

.mobile-actions {
  margin-top: var(--spacing-2xl);
  border-top: var(--border-width-md) solid var(--background-gray);
}

.mobile-lang {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  justify-content: center;
  align-items: center;
}

.mobile-lang .separator {
  color: var(--border-light);
  font-size: var(--font-size-sm);
  user-select: none;
}

.mobile-lang a {
  padding: 10px var(--spacing-md);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  text-align: center;
  -webkit-tap-highlight-color: rgba(71, 127, 186, 0.1);
}

.mobile-lang a:hover {
  color: var(--primary);
}

.mobile-lang a.active {
  color: var(--primary);
  font-weight: var(--font-weight-semibold);
}

/* Mobile button layout modifier - used with .btn-filled */
.mobile-btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* =====================================================
 * RESPONSIVE BREAKPOINTS
 * ===================================================== */

@media (max-width: 991.98px) {
  .nav-links,
  .nav-actions {
    display: none;
  }

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

  .mobile-nav {
    display: block;
  }

  .logo img {
    height: 55px;
  }

  .nav-container {
    padding: var(--spacing-md) 0;
  }
}

@media (max-width: 575.98px) {
  .logo img {
    height: 48px;
  }

  .nav-container {
    padding: 14px 0;
  }
}

/* Scroll Enhancement */
@media (min-width: 992px) {
  .main-nav.scrolled .logo img {
    height: 55px;
  }

  .main-nav.scrolled .nav-container {
    padding: var(--spacing-md) 0;
  }
}