/* Modern Navigation Styles */
.navbar {
  background-color: var(--background);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-weight: 700;
  color: var(--primary);
  transition: all 0.3s ease;
  position: relative;
}

.navbar-brand:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.brand-text {
  font-size: 1.8rem;
  letter-spacing: -0.5px;
}

.navbar-brand::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.3s ease;
}

.navbar-brand:hover::after {
  width: 100%;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
  transition: all 0.3s ease;
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 109, 170, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
  color: var(--secondary);
  font-weight: 500;
  padding: 0.5rem 1rem;
  position: relative;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--primary);
  transform: translateY(-2px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 80%;
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-link.active::after {
  width: 80%;
}

/* Dropdown Menu Styling */
.dropdown-menu {
  border-radius: 8px;
  border: none;
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
  margin-top: 0.5rem;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}

.dropdown-menu.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  padding: 0.5rem 1.5rem;
  font-weight: 500;
  color: var(--secondary);
  transition: all 0.3s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--light-gray);
  color: var(--primary);
}

.dropdown-divider {
  margin: 0.25rem 0;
  border-color: var(--border-color);
}

/* Enhanced Footer */
footer {
  background: var(--secondary) !important;
  color: white;
  padding: 3rem 0 2rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

footer h5 {
  font-weight: 700;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

footer h5::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary);
}

/* Main Content Area */
main {
  min-height: calc(100vh - 200px);
  padding: 2rem 0;
}

/* Hero Section Enhancement */
.hero-section {
  padding: 4rem 0;
  border-radius: 12px;
  margin-bottom: 3rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Card Improvements */
.card {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card-img-top {
  transition: all 0.5s ease;
}

.card:hover .card-img-top {
  transform: scale(1.05);
}

.card-category {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 2;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--dark-gray);
  margin-bottom: 1.5rem;
}

.card-meta {
  display: flex;
  align-items: center;
  color: var(--dark-gray);
  font-size: 0.875rem;
}

.card-meta i {
  margin-right: 0.5rem;
  color: var(--primary);
}

/* Animation Classes */
.initially-hidden {
  opacity: 0;
  transform: translateY(20px);
}

.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.slide-up {
  animation: slideUp 0.8s ease forwards;
}

.page-loaded .fade-in-delay-1 {
  animation-delay: 0.2s;
}

.page-loaded .fade-in-delay-2 {
  animation-delay: 0.4s;
}

.page-loaded .fade-in-delay-3 {
  animation-delay: 0.6s;
}

/* Language Transition */
.language-transition {
  animation: fadeTransition 0.5s ease;
}

@keyframes fadeTransition {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* Mobile Optimization */
@media (max-width: 767.98px) {
  .navbar-collapse {
    background-color: var(--background);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    margin-top: 0.5rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .card {
    margin-bottom: 2rem;
  }
}