:root {
  --primary-color: #2b6cb0;
  --secondary-color: #4299e1;
  --accent-color: #63b3ed;
  --text-color: #2d3748;
  --text-light: #718096;
  --bg-light: #f7fafc;
  --white: #ffffff;
  --dark: #1a202c;
  --success: #48bb78;
  --warning: #ed8936;
  --danger: #f56565;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  overflow-x: hidden;
}

/* Language Switcher */
.language-switcher {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1100;
  margin-left: 20px;
}

.language-switcher .dropdown-toggle {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #dee2e6;
  border-radius: 20px;
  padding: 8px 12px;
  font-size: 14px;
  color: #495057;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.language-switcher .dropdown-toggle:hover {
  background: rgba(255, 255, 255, 1);
  border-color: #007bff;
  transform: translateY(-2px);
}

.language-switcher .dropdown-menu {
  min-width: 150px;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.language-switcher .dropdown-item {
  padding: 8px 16px;
  font-size: 14px;
  color: #495057;
  transition: all 0.3s ease;
}

.language-switcher .dropdown-item:hover {
  background-color: #f8f9fa;
  color: #007bff;
}

.language-switcher .dropdown-item.active {
  background-color: #007bff;
  color: white;
}

@media print {
  .language-switcher {
    display: none;
  }
}

@media (max-width: 768px) {
  .language-switcher {
    top: 15px;
    right: 15px;
  }
  
  .language-switcher .dropdown-toggle {
    padding: 6px 10px;
    font-size: 12px;
  }
  
  .navbar {
    padding-right: 0;
  }
  
  .navbar-nav {
    margin-right: 0;
  }
}

@media (min-width: 769px) {
  .navbar-nav {
    margin-right: 160px;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Navigation */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  padding: 1rem 0;
  padding-right: 180px;
}

.navbar-brand img {
  transition: transform 0.3s ease;
}

.navbar-brand:hover img {
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--text-color);
  margin: 0 0.5rem;
  transition: color 0.3s ease;
  position: relative;
}

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

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(43, 108, 176, 0.8);
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  padding: 2rem 0;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
  color: white !important;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons .btn {
  padding: 0.75rem 2rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.hero-buttons .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.hero-stats {
  display: flex;
  gap: 2rem;
  animation: fadeInUp 1s ease 0.6s both;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-color);
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-image {
  text-align: center;
  animation: fadeInRight 1s ease 0.8s both;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
}

/* Section Styles */
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

/* About Section */
.about-section {
  padding: 5rem 0;
}

.about-content {
  padding-right: 2rem;
}

.mission-vision {
  margin-top: 2rem;
}

.mv-item {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background-color: var(--bg-light);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
}

.mv-item h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.about-image img {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.about-image:hover img {
  transform: translateY(-10px);
}

/* Services Section */
.services-section {
  padding: 5rem 0;
}

.service-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  height: 100%;
  border-top: 4px solid var(--primary-color);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-icon i {
  font-size: 1.8rem;
  color: white;
}

.service-card h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.service-features {
  list-style: none;
  margin-top: 1.5rem;
}

.service-features li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

/* Projects Section */
.projects-section {
  padding: 5rem 0;
}

.project-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  height: 100%;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
  overflow: hidden;
  height: 200px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-content {
  padding: 1.5rem;
}

.project-content h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.project-tags {
  margin-top: 1rem;
}

.tag {
  display: inline-block;
  background-color: var(--bg-light);
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-section {
  padding: 5rem 0;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
}

.contact-item i {
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item h5 {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.contact-form {
  background: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

.contact-form .form-control {
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.contact-form .form-control:focus {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
  border-color: transparent;
}

.contact-form .btn {
  border-radius: 8px;
  font-weight: 600;
}

/* Footer */
.footer {
  border-top: 1px solid #343a40;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-buttons {
    text-align: center;
  }
  
  .hero-buttons .btn {
    display: block;
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .about-content {
    padding-right: 0;
    margin-bottom: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .service-card {
    margin-bottom: 2rem;
  }
  
  .contact-item {
    flex-direction: column;
    text-align: center;
  }
  
  .contact-item i {
    margin-bottom: 1rem;
  }
}

@media (max-width: 576px) {
  .hero-section {
    padding: 4rem 0;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .about-section,
  .services-section,
  .projects-section,
  .contact-section {
    padding: 3rem 0;
  }
}

/* Utility Classes */
.text-primary {
  color: var(--primary-color) !important;
}

.bg-primary {
  background-color: var(--primary-color) !important;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}