/* Navigation Styles - Mobile First Approach */

/* Hamburger Menu Button */
.nav-toggle {
  display: block;
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1001;
  background: white;
  border: 2px solid #333;
  border-radius: 4px;
  padding: 0.5rem;
  cursor: pointer;
  width: 44px;
  height: 44px;
  transition: all 0.3s ease;
}

.nav-toggle:hover,
.nav-toggle:focus {
  background: #f5f5f5;
  border-color: DarkOrange;
  outline: none;
}

.nav-toggle[aria-expanded="true"] {
  background: #333;
}

/* Hamburger Icon */
.hamburger {
  display: block;
  position: relative;
  width: 24px;
  height: 18px;
  margin: 0 auto;
}

.hamburger span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: #333;
  border-radius: 2px;
  opacity: 1;
  left: 0;
  transition: all 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .hamburger span {
  background: white;
}

.hamburger span:nth-child(1) {
  top: 0;
}

.hamburger span:nth-child(2) {
  top: 8px;
}

.hamburger span:nth-child(3) {
  top: 16px;
}

/* Animate to X when open */
.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  top: 8px;
  transform: rotate(135deg);
}

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
  left: -60px;
}

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  top: 8px;
  transform: rotate(-135deg);
}

/* Mobile Navigation Styles */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

#navbar.nav-open {
  transform: translateY(0);
}

#navbar ul {
  display: flex;
  flex-direction: column;
  list-style: none;
  padding: 4rem 1rem 1rem;
  margin: 0;
  max-height: 100vh;
  overflow-y: auto;
}

#navbar li {
  margin: 0;
  border-bottom: 1px solid #eee;
}

#navbar li:last-child {
  border-bottom: none;
}

#navbar a {
  display: block;
  padding: 1rem;
  color: black;
  text-decoration: none;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

#navbar a:hover,
#navbar a:focus {
  background: #f5f5f5;
  color: DarkOrange;
  padding-left: 1.5rem;
}

#navbar a[aria-current="page"] {
  background: #e6f3ff;
  color: #0066cc;
  font-weight: 600;
  border-left: 4px solid #0066cc;
}

/* Language Switcher in Mobile Menu */
#navbar .language-switcher {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 2px solid #ddd;
}

#navbar .language-switcher a {
  background: #f5f5f5;
  text-align: center;
  font-weight: 600;
  color: #0066cc;
}

#navbar .language-switcher a:hover {
  background: #0066cc;
  color: white;
}

/* Body scroll lock when menu is open */
body.nav-open {
  overflow: hidden;
}

/* Overlay when menu is open */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}

/* Tablet Styles (768px - 1023px) */
@media only screen and (min-width: 768px) and (max-width: 1023px) {
  .nav-toggle {
    display: none;
  }
  
  #navbar {
    position: sticky;
    top: 0;
    transform: translateY(0);
    flex-grow: 0;
  }
  
  #navbar ul {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.5rem;
    max-height: none;
  }
  
  #navbar li {
    border-bottom: none;
    margin: 0.25rem;
  }
  
  #navbar a {
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
  }
  
  #navbar a:hover,
  #navbar a:focus {
    padding-left: 0.75rem;
  }
  
  #navbar .language-switcher {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }
  
  #navbar .language-switcher a {
    background: transparent;
  }
  
  .nav-overlay {
    display: none !important;
  }
}

/* Desktop Styles (1024px+) */
@media only screen and (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
  
  #navbar {
    position: sticky;
    top: 0;
    transform: translateY(0);
    flex-grow: 0;
  }
  
  #navbar ul {
    flex-direction: row;
    justify-content: space-evenly;
    align-items: center;
    padding: 1rem;
    max-height: none;
  }
  
  #navbar li {
    border-bottom: none;
    margin: 0;
  }
  
  #navbar a {
    padding: 0.5rem 1rem;
    font-size: 1rem;
  }
  
  #navbar a:hover,
  #navbar a:focus {
    padding-left: 1rem;
    background: transparent;
  }
  
  #navbar a[aria-current="page"] {
    background: transparent;
    border-left: none;
    border-bottom: 3px solid #0066cc;
  }
  
  #navbar .language-switcher {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }
  
  #navbar .language-switcher a {
    background: transparent;
    font-weight: normal;
  }
  
  #navbar .language-switcher a:hover {
    background: transparent;
    color: DarkOrange;
  }
  
  .nav-overlay {
    display: none !important;
  }
}

/* Accessibility - Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .nav-toggle,
  #navbar,
  .nav-overlay,
  .hamburger span {
    transition: none;
  }
}