:root {
  --primary-navy: #1e3a8a;
  --primary-gold: #f59e0b;
  --light-gold: #fbbf24;
  --dark-navy: #1e40af;
  --white: #ffffff;
  --light-gray: #f8fafc;
  --dark-gray: #374151;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  background: var(--white);
  box-shadow: var(--shadow);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-navy);
  text-decoration: none;
}

.nav-logo i {
  margin-right: 10px;
  color: var(--primary-gold);
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--dark-gray);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gold);
  transition: width 0.3s ease;
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--primary-navy);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--primary-navy);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Carousel */
.hero-carousel {
  position: relative;
  height: 100vh;
  overflow: hidden;
  margin-top: 80px;
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--white);
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}

.carousel-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(30, 58, 138, 0.7);
  z-index: 1;
}

.carousel-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.carousel-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
}

.carousel-btn {
  background: rgba(255, 255, 255, 0.3);
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  padding: 15px 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 50%;
}

.carousel-btn:hover {
  background: var(--primary-gold);
}

.carousel-btn.prev {
  left: 30px;
}

.carousel-btn.next {
  right: 30px;
}

.carousel-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 10px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active,
.dot:hover {
  background: var(--primary-gold);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  text-decoration: none;
  font-weight: 600;
  border-radius: 5px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--light-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  background: var(--primary-navy);
  color: var(--white);
  transform: translateY(-2px);
}

/* Animations */
.fade-in {
  animation: fadeIn 1s ease-out;
}

.fade-in-delay {
  animation: fadeIn 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
  animation: fadeIn 1s ease-out 0.6s both;
}

.fade-in-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* Sections */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--dark-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* About Preview */
.about-preview {
  padding: 6rem 0;
  background: var(--light-gray);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.about-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.about-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-navy), var(--dark-navy));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.about-icon i {
  font-size: 2rem;
  color: var(--white);
}

.about-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary-navy);
  margin-bottom: 1rem;
}

/* Services Preview */
.services-preview {
  padding: 6rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.service-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  border-left: 4px solid var(--primary-gold);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.service-icon i {
  font-size: 1.5rem;
  color: var(--white);
}

.service-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary-navy);
  margin-bottom: 1rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-navy), var(--dark-navy));
  color: var(--white);
  padding: 4rem 0;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-buttons .btn-outline {
  color: var(--white);
  border-color: var(--white);
}

.cta-buttons .btn-outline:hover {
  background: var(--white);
  color: var(--primary-navy);
}

/* Footer */
.footer {
  background: #1f2937;
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-logo i {
  margin-right: 10px;
  color: var(--primary-gold);
  font-size: 1.5rem;
}

.footer-section h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary-gold);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--primary-gold);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--primary-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.contact-item i {
  color: var(--primary-gold);
  margin-right: 10px;
  width: 20px;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 1rem;
  text-align: center;
  color: #9ca3af;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background: var(--white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .carousel-content h1 {
    font-size: 2.5rem;
  }

  .carousel-content p {
    font-size: 1.1rem;
  }

  .carousel-btn {
    padding: 10px 15px;
    font-size: 1.2rem;
  }

  .carousel-btn.prev {
    left: 15px;
  }

  .carousel-btn.next {
    right: 15px;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .about-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .cta-content h2 {
    font-size: 2rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .nav-container {
    padding: 0 15px;
  }

  .carousel-content {
    padding: 0 15px;
  }

  .carousel-content h1 {
    font-size: 2rem;
  }

  .carousel-content p {
    font-size: 1rem;
  }

  .about-preview,
  .services-preview {
    padding: 4rem 0;
  }

  .about-card,
  .service-card {
    padding: 1.5rem;
  }
}