:root {
  /* Primary colors - Split-complementary color scheme */
  --primary-color: #0056b3;
  --primary-dark: #003b7a;
  --primary-light: #3a7ac5;
  --secondary-color: #ff6b35;
  --secondary-dark: #e04b15;
  --secondary-light: #ff8c61;
  --accent-color: #7e22ce;
  --accent-dark: #5c16a8;
  --accent-light: #9d4edd;
  
  /* Neutral colors */
  --dark: #212529;
  --dark-medium: #343a40;
  --medium: #6c757d;
  --light-medium: #adb5bd;
  --light: #f8f9fa;
  
  /* Background colors */
  --bg-primary: var(--light);
  --bg-secondary: #f0f4f8;
  --bg-dark: var(--dark);
  
  /* Text colors */
  --text-primary: var(--dark);
  --text-secondary: var(--medium);
  --text-light: var(--light);
  
  /* Border colors */
  --border-color: #dee2e6;
  --border-light: #e9ecef;
  
  /* Shadow */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Animation speeds */
  --transition-fast: 0.2s;
  --transition-medium: 0.3s;
  --transition-slow: 0.5s;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-xxl: 4rem;
  
  /* Border radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* Section padding */
  --section-padding: 5rem 0;
}

/* Base styles and typography */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Nunito', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  line-height: 1.2;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  position: relative;
  color: var(--primary-color);
}

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

.section-padding {
  padding: var(--spacing-xxl) 0;
  background-color: var(--bg-primary);
}

.section-alt {
  background-color: var(--bg-secondary);
  padding: var(--spacing-xxl) 0;
}

/* Buttons */
.btn {
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius-md);
  padding: 0.6rem 1.5rem;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(-1px);
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform 0.5s, opacity 0.3s;
}

.btn:active::after {
  transform: translate(-50%, -50%) scale(2);
  opacity: 1;
  transition: 0s;
}

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

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

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

.btn-lg {
  padding: 0.8rem 1.8rem;
  font-size: 1.1rem;
}

/* Navbar */
.navbar {
  background-color: rgba(33, 37, 41, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  padding: 1rem 0;
  z-index: 1000;
}

.navbar-brand {
  font-size: 1.8rem;
  color: var(--light) !important;
  font-weight: 700;
  letter-spacing: 1px;
}

.navbar-nav .nav-link {
  color: var(--light) !important;
  font-weight: 600;
  padding: 0.5rem 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

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

.navbar-nav .nav-link:hover::after {
  width: 70%;
}

.navbar-toggler {
  border: none;
  padding: 0.25rem 0.75rem;
  font-size: 1.25rem;
  color: var(--light);
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Hero Section */
.hero-section {
  position: relative;
  height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  color: var(--light);
}

.hero-section .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 2rem 0;
}

.hero-content h1 {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* Instructors Section */
.instructor-card {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--light);
}

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

.card-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.card-content {
  padding: 1.5rem;
  text-align: center;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.instructor-position {
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Awards Section */
.awards-container {
  padding: 2rem;
  background-color: var(--light);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.award-item {
  padding: 1rem;
  transition: transform var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.award-item:hover {
  transform: scale(1.05);
}

.award-item img {
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1rem;
}

.award-item h5 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-top: 1rem;
  text-align: center;
}

.stats-container {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: var(--border-radius-md);
  color: var(--light);
}

.stat-item {
  padding: 1rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--light);
}

.stat-text {
  font-size: 1rem;
  opacity: 0.9;
}

/* Sustainability Section */
.sustainability-image {
  height: 500px;
  border-radius: var(--border-radius-md);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: var(--shadow-md);
}

.sustainability-content {
  padding: 2rem;
}

.sustainability-content h3 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.sustainability-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.sustainability-accordion .accordion-item {
  border: 1px solid var(--border-light);
  margin-bottom: 0.5rem;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.sustainability-accordion .accordion-button {
  background-color: var(--light);
  font-weight: 600;
  color: var(--primary-color);
  padding: 1.25rem;
}

.sustainability-accordion .accordion-button:not(.collapsed) {
  background-color: rgba(var(--primary-color-rgb), 0.05);
  color: var(--primary-color);
}

.sustainability-accordion .accordion-body {
  padding: 1.25rem;
  background-color: var(--light);
}

/* Resources Section */
.resources-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.resource-card {
  background-color: var(--light);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

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

.resource-card h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.resource-card h4 a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.resource-card h4 a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.resource-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Workshops Section */
.workshop-card {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
  border: none;
}

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

.workshop-card .card-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.workshop-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.workshop-card .card-content {
  padding: 1.5rem;
  flex-grow: 1;
  text-align: left;
}

.workshop-tag {
  display: inline-block;
  background-color: var(--secondary-color);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: var(--border-radius-sm);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.workshop-details {
  margin-top: 1.5rem;
}

.workshop-details .detail {
  display: flex;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.workshop-details .detail span {
  font-weight: 700;
  color: var(--dark);
  margin-right: 0.5rem;
  min-width: 80px;
}

/* Portfolio Section */
.portfolio-item {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--light);
}

.portfolio-image {
  width: 100%;
  height: 300px;
  position: relative;
  overflow: hidden;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-content {
  padding: 1.5rem;
}

.portfolio-content h4 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.portfolio-content p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Contact Section */
.contact-info {
  padding: 2rem;
  background-color: var(--light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.contact-item h4 {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.contact-item h5 {
  font-size: 1.2rem;
  color: var(--dark);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
}

.contact-item h5 i {
  margin-right: 0.5rem;
  color: var(--primary-color);
}

.contact-item p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-form-container {
  padding: 2rem;
  background-color: var(--light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.contact-form .form-label {
  font-weight: 600;
  color: var(--dark);
}

.contact-form .form-control,
.contact-form .form-select {
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.25rem rgba(var(--primary-color-rgb), 0.25);
}

.contact-form .form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: var(--light);
  position: relative;
}

.footer h4, .footer h5 {
  color: var(--light);
  margin-bottom: 1.5rem;
}

.footer p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

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

.social-link {
  color: var(--light);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 3px;
}

.social-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--secondary-color);
  transition: all var(--transition-medium);
}

.social-link:hover {
  color: var(--secondary-color);
}

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

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 3px;
}

.footer-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: var(--secondary-color);
  transition: all var(--transition-medium);
}

.footer-links a:hover {
  color: var(--light);
}

.footer-links a:hover::after {
  width: 100%;
}

.newsletter-form .form-control {
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--light);
}

.newsletter-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer-policy-link {
  color: rgba(255, 255, 255, 0.6);
  margin-right: 1.5rem;
  text-decoration: none;
  transition: color var(--transition-fast);
  font-size: 0.9rem;
}

.footer-policy-link:hover {
  color: var(--light);
}

.copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* Success page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
}

.success-content {
  text-align: center;
  padding: 3rem;
  background-color: var(--light);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 600px;
}

.success-icon {
  font-size: 5rem;
  color: var(--primary-color);
  margin-bottom: 2rem;
}

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

.success-message {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Privacy and Terms pages */
.page-content {
  padding-top: 100px;
  padding-bottom: 5rem;
}

.page-content h1 {
  color: var(--primary-color);
  margin-bottom: 2rem;
}

.page-content h2 {
  color: var(--primary-dark);
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

.page-content p, .page-content ul, .page-content ol {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

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

.text-secondary {
  color: var(--secondary-color) !important;
}

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

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

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

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

/* Media Queries */
@media (max-width: 991.98px) {
  .hero-content h1 {
    font-size: 3rem;
  }
  
  .hero-content p {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .sustainability-image {
    height: 400px;
    margin-bottom: 2rem;
  }
}

@media (max-width: 767.98px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .instructor-card .card-image {
    height: 250px;
  }
  
  .portfolio-image {
    height: 250px;
  }
  
  .sustainability-image {
    height: 300px;
  }
}

@media (max-width: 575.98px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
  
  .instructor-card .card-image {
    height: 200px;
  }
  
  .portfolio-image {
    height: 200px;
  }
  
  .contact-info, .contact-form-container {
    padding: 1.5rem;
  }
  
  .contact-item h4 {
    font-size: 1.5rem;
  }
  
  .contact-item h5 {
    font-size: 1.1rem;
  }
}