/* CSS Variables */
:root {
  /* Primary colors */
  --color-primary: #465775;
  --color-primary-light: #59698e;
  --color-primary-dark: #354564;
  
  /* Secondary colors */
  --color-secondary: #76b39d;
  --color-secondary-light: #8ec9b2;
  --color-secondary-dark: #5f9d87;
  
  /* Accent colors */
  --color-accent: #f68e5f;
  --color-accent-light: #f8a77f;
  --color-accent-dark: #e57a4d;
  
  /* Neutral colors */
  --color-white: #ffffff;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  --color-black: #000000;
  
  /* Background colors */
  --bg-body: #f5f5f7;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-glassmorphism: rgba(255, 255, 255, 0.15);
  --bg-gradient: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  
  /* Border colors */
  --border-color: rgba(255, 255, 255, 0.18);
  --border-color-hover: rgba(255, 255, 255, 0.3);
  
  /* Shadow colors */
  --shadow-color: rgba(0, 0, 0, 0.1);
  --shadow-color-strong: rgba(0, 0, 0, 0.15);
  
  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Merriweather', serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  
  /* Border radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  /* Transition */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Container width */
  --container-width: 1200px;
  
  /* Blur effect */
  --blur-effect: 10px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--bg-body);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 3rem;
  font-weight: 700;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Section */
.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background-color: var(--color-accent);
  margin: var(--spacing-sm) auto 0;
  border-radius: var(--border-radius-sm);
}

/* Glassmorphism effect */
.glassmorphism {
  background: var(--bg-glassmorphism);
  backdrop-filter: blur(var(--blur-effect));
  -webkit-backdrop-filter: blur(var(--blur-effect));
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 32px 0 var(--shadow-color);
  padding: var(--spacing-lg);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.glassmorphism:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px 0 var(--shadow-color-strong);
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 2px solid transparent;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-medium);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.primary-btn:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.secondary-btn:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.outline-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

button, input[type="submit"] {
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  transition: background-color var(--transition-medium), padding var(--transition-medium);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.desktop-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desktop-nav li {
  margin-left: var(--spacing-lg);
}

.desktop-nav a {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-gray-800);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--color-accent);
  transition: width var(--transition-medium);
}

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

.desktop-nav a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-gray-800);
  margin: 5px 0;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-primary);
  z-index: 999;
  padding-top: 80px;
  transform: translateX(100%);
  transition: transform var(--transition-medium);
}

.mobile-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav li {
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-white);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--color-accent);
}

.mobile-nav.active {
  transform: translateX(0);
}

/* Hero section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--color-white);
  margin-top: 0;
  padding: 0;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  z-index: 1;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out 0.2s;
  animation-fill-mode: both;
}

/* Features section */
.features {
  background-color: var(--bg-body);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 5px 15px var(--shadow-color);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px var(--shadow-color-strong);
}

.feature-card .image-container {
  width: 100%;
  height: 250px;
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  border-radius: var(--border-radius-md);
}

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

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

.feature-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

/* History section */
.history {
  position: relative;
}

.history-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xl);
}

.history-image {
  flex: 1;
  min-width: 300px;
}

.history-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px var(--shadow-color);
}

.history-text {
  flex: 1;
  min-width: 300px;
}

/* Services section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 5px 15px var(--shadow-color);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px var(--shadow-color-strong);
}

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

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

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

.card-content {
  padding: var(--spacing-lg);
  text-align: center;
}

.card-content h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

/* Projects section */
.carousel-container {
  position: relative;
  overflow: hidden;
  padding-bottom: var(--spacing-md);
}

.carousel {
  display: flex;
  transition: transform var(--transition-medium);
}

.carousel-item {
  flex: 0 0 100%;
  padding: 0 var(--spacing-md);
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--bg-card);
  color: var(--color-primary);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 1.5rem;
  z-index: 2;
  box-shadow: 0 2px 10px var(--shadow-color);
  transition: background-color var(--transition-fast);
}

.carousel-prev {
  left: 20px;
}

.carousel-next {
  right: 20px;
}

.carousel-prev:hover,
.carousel-next:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Webinars section */
.webinars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.webinar-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 5px 15px var(--shadow-color);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.webinar-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px var(--shadow-color-strong);
}

.webinar-card .date {
  display: block;
  margin-top: var(--spacing-md);
  color: var(--color-accent);
  font-weight: 700;
  font-style: italic;
}

/* Sustainability section */
.sustainability-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xl);
}

.sustainability-image {
  flex: 1;
  min-width: 300px;
}

.sustainability-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px var(--shadow-color);
}

.sustainability-text {
  flex: 1;
  min-width: 300px;
}

/* Instructors section */
.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.instructors-grid .card {
  text-align: center;
}

.instructors-grid .card-image {
  height: 350px;
}

/* Accolades section */
.accolades-content {
  padding: var(--spacing-lg);
}

.accolades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.accolade-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.accolade-item .image-container {
  width: 200px;
  height: 200px;
  margin-bottom: var(--spacing-md);
}

.accolade-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.accolade-item h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

/* External resources */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.resource-card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background-color: var(--bg-card);
  box-shadow: 0 5px 15px var(--shadow-color);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px var(--shadow-color-strong);
}

.resource-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.resource-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  color: var(--color-accent);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.resource-link:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

/* Behind the scenes */
.behind-scenes-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.gallery {
  flex: 1;
  min-width: 300px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.gallery-item {
  overflow: hidden;
  border-radius: var(--border-radius-md);
  box-shadow: 0 5px 15px var(--shadow-color);
}

.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.behind-scenes-text {
  flex: 1;
  min-width: 300px;
}

/* Contact section */
.contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.contact-info {
  flex: 1;
  min-width: 300px;
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.contact-item h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-form {
  flex: 1;
  min-width: 300px;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-gray-400);
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(70, 87, 117, 0.25);
}

/* Footer */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.footer h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.footer-logo a {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
}

.footer-logo p {
  margin-top: var(--spacing-sm);
}

.footer-links ul,
.footer-legal ul,
.footer-social ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li,
.footer-legal li,
.footer-social li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-legal a,
.footer-social a {
  color: var(--color-gray-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-legal a:hover,
.footer-social a:hover {
  color: var(--color-white);
}

.footer-social a {
  display: inline-block;
  padding: var(--spacing-sm) 0;
  position: relative;
}

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

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

.footer-newsletter p {
  margin-bottom: var(--spacing-md);
}

.footer-newsletter form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-newsletter input {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem;
  border: 1px solid var(--color-gray-700);
  border-radius: var(--border-radius-md);
  background-color: var(--color-gray-800);
  color: var(--color-white);
}

.footer-newsletter input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-gray-800);
}

/* Success page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl);
}

.success-content {
  max-width: 600px;
}

.success-content h1 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
}

/* Privacy and Terms pages */
.privacy-page,
.terms-page {
  padding-top: 100px;
}

.privacy-content,
.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Responsive styles */
@media (max-width: 1024px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
  
  .hero p {
    font-size: 1.25rem;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .history-content,
  .sustainability-content,
  .behind-scenes-content,
  .contact-content {
    flex-direction: column;
  }
  
  .history-image,
  .sustainability-image {
    margin-bottom: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
  
  .features-grid,
  .services-grid,
  .webinars-grid,
  .instructors-grid,
  .accolades-grid,
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery {
    grid-template-columns: 1fr;
  }
}