/* CSS Variables - Analogous Color Scheme */
:root {
  /* Primary Colors (Blue-Green Analogous) */
  --primary-color: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  --secondary-color: #0891b2;
  --secondary-light: #06b6d4;
  --secondary-dark: #0e7490;
  --accent-color: #059669;
  --accent-light: #10b981;
  --accent-dark: #047857;
  
  /* Neutral Colors */
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --text-white: #ffffff;
  --background-primary: #ffffff;
  --background-secondary: #f8fafc;
  --background-light: #f1f5f9;
  --background-dark: #1e293b;
  
  /* Shadows and Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-3d: 0 8px 32px rgba(37, 99, 235, 0.2);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  --gradient-overlay: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(8, 145, 178, 0.6));
  
  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Transitions */
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-elastic: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-primary);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

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

h2 {
  font-size: 2.5rem;
  font-weight: 600;
}

h3 {
  font-size: 2rem;
  font-weight: 600;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Sections */
.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.bg-light {
  background-color: var(--background-light);
}

/* Header */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1000;
  transition: var(--transition-base);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0;
}

.navbar-menu {
  display: flex;
  align-items: center;
}

.navbar-end {
  display: flex;
  gap: var(--spacing-lg);
}

.navbar-item {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition-base);
  position: relative;
}

.navbar-item::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-base);
}

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

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

.navbar-burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.navbar-burger span {
  width: 24px;
  height: 3px;
  background: var(--text-primary);
  transition: var(--transition-base);
}

/* Global Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
  font-family: var(--font-body);
  min-width: 140px;
  text-align: center;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-base);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-3d);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: transparent;
  color: var(--text-white);
  border: 2px solid var(--text-white);
}

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

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.bounce-animation {
  animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-5px);
  }
  60% {
    transform: translateY(-3px);
  }
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--spacing-lg);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-white);
  margin-bottom: var(--spacing-2xl);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.card {
  background: var(--background-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-elastic);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-base);
  z-index: 1;
}

.card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.card:hover::before {
  opacity: 0.05;
}

.card-image {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.card-content {
  padding: var(--spacing-xl);
  position: relative;
  z-index: 2;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.card-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.card-tag {
  display: inline-block;
  background: var(--gradient-primary);
  color: var(--text-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: auto;
}

/* Accordion */
.accordion-container {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--background-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xl);
  cursor: pointer;
  background: var(--background-primary);
  transition: var(--transition-base);
}

.accordion-header:hover {
  background: var(--background-light);
}

.accordion-header h3 {
  color: var(--text-primary);
  margin: 0;
}

.accordion-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: var(--transition-bounce);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-base);
}

.accordion-item.active .accordion-content {
  max-height: 1000px;
}

.accordion-body {
  padding: 0 var(--spacing-xl) var(--spacing-xl);
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.accordion-body img {
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.workshop-details {
  flex: 1;
}

.workshop-details ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.workshop-details li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--background-light);
  color: var(--text-secondary);
}

.workshop-details li:last-child {
  border-bottom: none;
}

/* Instructors */
.instructor-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.instructor-stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.instructor-stats span {
  display: inline-block;
  background: var(--background-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* External Resources */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.resource-card {
  background: var(--background-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-elastic);
}

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

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

.resource-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* Sustainability */
.sustainability-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  margin-top: var(--spacing-2xl);
}

.sustainability-points {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.point {
  padding: var(--spacing-lg);
  background: var(--background-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--primary-color);
}

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

.point p {
  color: var(--text-secondary);
  margin: 0;
}

.sustainability-image {
  position: relative;
  text-align: center;
}

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

/* Contact Section */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-2xl);
}

.contact-form {
  background: var(--background-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--background-light);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition-base);
  background: var(--background-primary);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.contact-item {
  padding: var(--spacing-lg);
  background: var(--background-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.contact-item p {
  color: var(--text-secondary);
  margin: 0;
}

/* Footer */
.footer {
  background: var(--background-dark);
  color: var(--text-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

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

.footer-section h3,
.footer-section h4 {
  color: var(--text-white);
  margin-bottom: var(--spacing-lg);
}

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

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: #cbd5e1;
  text-decoration: none;
  transition: var(--transition-base);
}

.footer-section a:hover {
  color: var(--text-white);
}

.social-links {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.social-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-base);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.social-links a:hover {
  color: var(--text-white);
  border-color: var(--primary-color);
  background: rgba(37, 99, 235, 0.1);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid #374151;
  color: #9ca3af;
}

/* Parallax */
.parallax-bg {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--text-white);
}

.success-content {
  text-align: center;
  max-width: 600px;
  padding: var(--spacing-3xl);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
}

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

.success-content p {
  color: var(--text-white);
  margin-bottom: var(--spacing-2xl);
}

/* Privacy and Terms Pages */
.content-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-3xl);
}

.content-page .container {
  max-width: 800px;
}

.content-page h1 {
  margin-bottom: var(--spacing-xl);
}

.content-page h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}

.content-page p {
  margin-bottom: var(--spacing-lg);
}

.content-page ul {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.content-page li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background-primary);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-base);
  }

  .navbar-menu.active {
    max-height: 300px;
  }

  .navbar-end {
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
  }

  .navbar-burger {
    display: flex;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

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

  .section-title {
    font-size: 2rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .accordion-body {
    flex-direction: column;
  }

  .sustainability-content {
    grid-template-columns: 1fr;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

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

  .social-links {
    justify-content: center;
  }
}

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

  .hero-title {
    font-size: 2rem;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

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

  .contact-form {
    padding: var(--spacing-lg);
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

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

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.hidden {
  display: none;
}

.visible {
  display: block;
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.6s ease-in-out forwards;
}

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

.slide-up {
  transform: translateY(30px);
  opacity: 0;
  animation: slideUp 0.6s ease-out forwards;
}

@keyframes slideUp {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.scale-in {
  transform: scale(0.8);
  opacity: 0;
  animation: scaleIn 0.6s ease-out forwards;
}

@keyframes scaleIn {
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Scroll Animations */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

/* Glassmorphism Effects */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .footer,
  .btn {
    display: none;
  }
  
  .section {
    page-break-inside: avoid;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}