/* Variables */
:root {
  /* Tetrad color scheme */
  --primary-color: #3498db;
  --primary-dark: #2980b9;
  --secondary-color: #e74c3c;
  --secondary-dark: #c0392b;
  --accent-1: #2ecc71;
  --accent-1-dark: #27ae60;
  --accent-2: #9b59b6;
  --accent-2-dark: #8e44ad;
  
  /* Neutral colors */
  --dark: #333333;
  --darker: #222222;
  --light: #f8f9fa;
  --medium: #e9ecef;
  --gray: #6c757d;
  --light-gray: #dee2e6;
  
  /* Typography */
  --heading-font: 'Archivo Black', sans-serif;
  --body-font: 'Roboto', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-circle: 50%;
  
  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-inset: inset 0 2px 10px rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--darker);
}

h1 {
  font-size: 3.5rem;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  text-align: center;
}

h3 {
  font-size: 1.75rem;
  margin-bottom: var(--space-sm);
}

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

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

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

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

ul, ol {
  margin-left: var(--space-md);
  margin-bottom: var(--space-md);
}

section {
  padding: var(--space-lg) 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--gray);
  margin-bottom: var(--space-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn-primary, .btn-secondary, 
button, input[type='submit'] {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-medium);
  border: none;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  color: white;
}

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

.btn-secondary:hover {
  background-color: var(--light);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.read-more {
  display: inline-block;
  color: var(--accent-1);
  font-weight: 600;
  position: relative;
  padding-right: 20px;
  transition: all var(--transition-medium);
}

.read-more:after {
  content: '→';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: transform var(--transition-medium);
}

.read-more:hover {
  color: var(--accent-1-dark);
}

.read-more:hover:after {
  transform: translate(5px, -50%);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  backdrop-filter: blur(5px);
  transition: all var(--transition-medium);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
}

.logo h1 {
  font-size: 1.8rem;
  margin-bottom: 0;
  color: var(--primary-color);
}

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

.main-nav li {
  margin-left: var(--space-md);
}

.main-nav a {
  color: var(--dark);
  font-weight: 500;
  padding: var(--space-xs) 0;
  position: relative;
}

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

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

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

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  height: 24px;
  cursor: pointer;
}

.burger-menu span {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--dark);
  transition: all var(--transition-medium);
}

/* Contact Form Top */
.contact-form-top {
  padding-top: 100px;
  background-color: var(--primary-color);
  color: white;
}

.contact-form-top h2 {
  color: white;
}

.form-container {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-md);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-inset);
}

/* Hero Section */
.hero {
  position: relative;
  color: white;
  text-align: center;
  padding: var(--space-xl) 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.6), rgba(0,0,0,0.4));
  z-index: 1;
}

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

.hero h1 {
  color: white;
  margin-bottom: var(--space-md);
  text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: var(--space-lg);
  text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

/* Process Section */
.process-section {
  background-color: var(--light);
}

.process-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.process-section .card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.process-section .card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

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

.process-section .card-content {
  padding: var(--space-md);
  text-align: center;
}

.process-section .card-content h3 {
  color: var(--primary-color);
  margin-bottom: var(--space-sm);
}

/* Instructors Section */
.instructors-section {
  background-color: var(--medium);
  position: relative;
  overflow: hidden;
}

.instructors-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 30%, var(--accent-1) 0%, transparent 70%),
              radial-gradient(circle at 80% 70%, var(--accent-2) 0%, transparent 70%);
  opacity: 0.05;
  z-index: 0;
}

.instructors-carousel {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.instructors-carousel .card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-md);
}

.instructors-carousel .card-image {
  width: 100%;
  height: 400px;
  overflow: hidden;
}

.instructors-carousel .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instructors-carousel .card-content {
  padding: var(--space-md);
  text-align: center;
}

.instructors-carousel .role {
  color: var(--gray);
  font-style: italic;
  margin-bottom: var(--space-sm);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.prev-btn, .next-btn {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-circle);
  background-color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-sm);
}

.prev-btn:hover, .next-btn:hover {
  background-color: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-md);
}

/* Insights Section */
.insights-section {
  background-color: var(--light);
}

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

.insights-section .card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

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

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

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

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

.insights-section .card-content {
  padding: var(--space-md);
  text-align: center;
}

.insights-section .card-content h3 {
  color: var(--secondary-color);
}

/* External Resources */
.external-resources {
  background-color: var(--medium);
  position: relative;
  overflow: hidden;
}

.external-resources::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, var(--accent-2) 0%, transparent 70%),
              radial-gradient(circle at 70% 20%, var(--primary-color) 0%, transparent 70%);
  opacity: 0.05;
  z-index: 0;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
  position: relative;
  z-index: 1;
}

.resource-card {
  background-color: white;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.resource-card h3 {
  color: var(--accent-2);
  margin-bottom: var(--space-sm);
  font-size: 1.3rem;
}

.resource-card a {
  text-decoration: none;
  color: inherit;
}

.resource-title {
  font-weight: 600;
  color: var(--dark);
  margin-bottom: var(--space-xs);
}

.resource-desc {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Community Section */
.community-section {
  background-color: var(--light);
}

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

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

.feature-icon {
  width: 150px;
  height: 150px;
  border-radius: var(--radius-circle);
  overflow: hidden;
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-md);
}

.feature-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature h3 {
  color: var(--accent-1);
  margin-bottom: var(--space-sm);
}

.testimonials {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.testimonials h3 {
  margin-bottom: var(--space-lg);
  color: var(--accent-2);
}

.testimonials-carousel {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial {
  display: none;
}

.testimonial.active {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}

.quote {
  font-size: 1.2rem;
  font-style: italic;
  margin-bottom: var(--space-md);
  position: relative;
  padding: 0 var(--space-md);
}

.quote::before, .quote::after {
  content: '"';
  font-size: 3rem;
  color: var(--light-gray);
  position: absolute;
  font-family: Georgia, serif;
}

.quote::before {
  left: 0;
  top: -20px;
}

.quote::after {
  right: 0;
  bottom: -40px;
}

.author {
  font-weight: 600;
  color: var(--gray);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-circle);
  background-color: var(--light-gray);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.dot.active, .dot:hover {
  background-color: var(--accent-2);
}

/* Media Section */
.media-section {
  background-color: var(--medium);
}

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

.media-item {
  display: flex;
  flex-direction: column;
  background-color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.media-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

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

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

.media-content {
  padding: var(--space-md);
  flex-grow: 1;
}

.media-content h3 {
  color: var(--secondary-color);
  margin-bottom: var(--space-sm);
}

.media-date {
  color: var(--gray);
  font-style: italic;
  font-size: 0.9rem;
  margin-top: var(--space-sm);
}

/* Sustainability Section */
.sustainability-section {
  background-color: var(--light);
  position: relative;
  overflow: hidden;
}

.sustainability-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 10% 90%, var(--accent-1) 0%, transparent 60%),
              radial-gradient(circle at 90% 10%, var(--primary-color) 0%, transparent 60%);
  opacity: 0.05;
  z-index: 0;
}

.sustainability-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.sustainability-text {
  padding: var(--space-md);
}

.sustainability-text ul {
  list-style: none;
  margin-left: 0;
}

.sustainability-text li {
  margin-bottom: var(--space-md);
}

.sustainability-text h3 {
  color: var(--accent-1);
  margin-bottom: var(--space-xs);
}

.sustainability-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 400px;
}

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

.sustainability-image:hover img {
  transform: scale(1.03);
}

/* Contact Section */
.contact-section {
  background-color: var(--dark);
  color: white;
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, transparent 50%),
              linear-gradient(225deg, rgba(155, 89, 182, 0.1) 0%, transparent 50%);
  z-index: 0;
}

.contact-section h2,
.contact-section .section-subtitle {
  color: white;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.contact-info {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  backdrop-filter: blur(10px);
}

.info-item {
  margin-bottom: var(--space-md);
}

.info-item h3 {
  color: var(--accent-1);
  margin-bottom: var(--space-xs);
  font-size: 1.2rem;
}

.contact-form {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
}

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

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  background-color: var(--light);
  color: var(--dark);
  transition: all var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* Footer */
.site-footer {
  background-color: var(--darker);
  color: white;
  padding: var(--space-lg) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
}

.footer-logo h2 {
  color: white;
  margin-bottom: var(--space-sm);
  text-align: left;
}

.footer-logo p {
  color: var(--gray);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.link-group h3 {
  color: var(--accent-1);
  margin-bottom: var(--space-md);
  font-size: 1.3rem;
}

.link-group ul {
  list-style: none;
  margin: 0;
}

.link-group li {
  margin-bottom: var(--space-sm);
}

.link-group a {
  color: var(--light-gray);
  transition: color var(--transition-fast);
}

.link-group a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  text-align: center;
  color: var(--gray);
}

/* Success Page */
.success-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--light);
}

.success-icon {
  font-size: 5rem;
  color: var(--accent-1);
  margin-bottom: var(--space-md);
}

.success-page h1 {
  color: var(--primary-color);
  margin-bottom: var(--space-md);
}

.success-page p {
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

/* Privacy & Terms Pages */
.privacy-page,
.terms-page {
  padding-top: 120px;
  padding-bottom: var(--space-lg);
}

.content-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.content-container h2 {
  color: var(--primary-color);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
}

.content-container h3 {
  color: var(--secondary-color);
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

/* Cookie Consent */
#cookie-consent {
  padding: var(--space-md);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
}

#cookie-consent p {
  margin-bottom: var(--space-sm);
}

#accept-cookies {
  background-color: var(--accent-1);
  transition: background-color var(--transition-fast);
}

#accept-cookies:hover {
  background-color: var(--accent-1-dark);
}

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

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

.fade-in {
  animation: fadeIn var(--transition-medium);
}

.slide-up {
  animation: slideUp var(--transition-medium);
}

/* Media Queries */
@media (max-width: 992px) {
  h1 {
    font-size: 2.8rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .contact-content,
  .sustainability-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: white;
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-medium);
    z-index: 999;
    visibility: hidden;
  }
  
  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .main-nav ul {
    flex-direction: column;
  }
  
  .main-nav li {
    margin: var(--space-sm) 0;
    margin-left: 0;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .burger-menu.active span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
  }
  
  .burger-menu.active span:nth-child(2) {
    opacity: 0;
  }
  
  .burger-menu.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  section {
    padding: var(--space-md) 0;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
}