:root {
  --primary: #0056b3;
  --primary-hover: #004494;
  --secondary: #6c757d;
  --success: #28a745;
  --info: #17a2b8;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #212529;
  --white: #ffffff;
  --body-bg: #f8f9fa;
  --body-color: #212529;
  --border-radius: 0.5rem;
  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease-in-out;
  --font-sans-serif: 'Manrope', sans-serif;
}

/* Base styles */
body {
  font-family: var(--font-sans-serif);
  background-color: var(--body-bg);
  color: var(--body-color);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

.btn {
  border-radius: var(--border-radius);
  padding: 0.5rem 1.5rem;
  font-weight: 600;
  transition: var(--transition);
}

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

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

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

/* Header and Navigation */
.navbar {
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar-brand img {
  height: 40px;
}

.navbar-scrolled {
  background-color: var(--white);
  box-shadow: var(--box-shadow);
}

.navbar-dark {
  background-color: var(--dark);
}

.navbar-dark .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
}

.navbar-dark .nav-link:hover,
.navbar-dark .nav-link.active {
  color: var(--white) !important;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 8rem 0 6rem;
  background: linear-gradient(90deg, var(--dark) 0%, #1a3b5d 100%);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
}

/* Features / Cards */
.feature-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--box-shadow);
  height: 100%;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-card img {
  width: 64px;
  height: 64px;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 1rem;
}

/* Program/Course Cards */
.program-card {
  border: none;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  height: 100%;
}

.program-card:hover {
  transform: translateY(-5px);
}

.program-card-img {
  height: 200px;
  object-fit: cover;
}

.program-card-body {
  padding: 1.5rem;
}

.program-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 1;
}

/* Testimonials */
.testimonial-card {
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  background-color: var(--white);
  height: 100%;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 1rem;
}

/* Career Tracks */
.career-track {
  position: relative;
  padding: 3rem 0;
  margin-bottom: 3rem;
}

.career-track-header {
  margin-bottom: 2rem;
  position: relative;
}

.career-track-header::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.5rem;
  width: 100px;
  height: 4px;
  background-color: var(--primary);
}

/* International Clients */
.international-services {
  background-color: var(--light);
  padding: 5rem 0;
}

.service-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 5rem 0 2rem;
}

.footer h5 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer ul {
  padding-left: 0;
  list-style: none;
}

.footer ul li {
  margin-bottom: 0.75rem;
}

.footer ul li a {
  color: rgba(255, 255, 255, 0.7);
}

.footer ul li a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  margin-top: 3rem;
}

/* Certificate Program Cards */
.certificate-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  margin-bottom: 2rem;
  transition: var(--transition);
}

.certificate-card:hover {
  transform: translateY(-5px);
}

.certificate-card-header {
  padding: 1.5rem;
  background-color: var(--primary);
  color: var(--white);
}

.certificate-card-body {
  padding: 1.5rem;
}

.certificate-card-footer {
  padding: 1.5rem;
  background-color: var(--light);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* Contact Form */
.contact-form {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: var(--box-shadow);
}

.contact-form .form-control {
  border-radius: 0;
  border: 1px solid #ced4da;
  padding: 0.75rem 1rem;
}

.contact-form .form-control:focus {
  box-shadow: none;
  border-color: var(--primary);
}

.contact-info {
  background-color: var(--primary);
  color: var(--white);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  height: 100%;
}

.contact-info h3 {
  margin-bottom: 1.5rem;
}

.contact-info-item {
  margin-bottom: 2rem;
}

.contact-info-item i {
  font-size: 1.5rem;
  margin-right: 1rem;
}

/* About Page */
.about-hero {
  padding: 8rem 0 5rem;
  background-color: var(--dark);
  color: var(--white);
}

.about-section {
  padding: 5rem 0;
}

.about-stats {
  text-align: center;
  padding: 3rem 0;
  background-color: var(--primary);
  color: var(--white);
}

.about-stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.about-stat-text {
  font-size: 1.25rem;
}

/* Partner Logos */
.partner-logos {
  padding: 3rem 0;
  background-color: var(--light);
}

.partner-logo {
  height: 80px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--transition);
}

.partner-logo:hover {
  filter: grayscale(0);
  opacity: 1;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .navbar-brand img {
    height: 32px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 6rem 0 4rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Additional Field Category Styles */
.field-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 1.5rem;
}

.field-section {
  padding: 4rem 0;
}

.field-card {
  border: none;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  height: 100%;
  margin-bottom: 1.5rem;
}

.field-card:hover {
  transform: translateY(-5px);
}

.field-card-body {
  padding: 1.5rem;
}

.field-card img {
  height: 180px;
  object-fit: cover;
}