:root {
  /* Primary Colors */
  --primary-color: #222222;
  --primary-light: #444444;
  --primary-dark: #111111;
  --primary-lighter: #666666;
  --primary-darker: #000000;
  
  /* Secondary Colors */
  --secondary-color: #dddddd;
  --secondary-light: #f5f5f5;
  --secondary-dark: #aaaaaa;
  --secondary-lighter: #ffffff;
  --secondary-darker: #888888;
  
  /* Accent Colors */
  --accent-color: #555555;
  --accent-light: #777777;
  --accent-dark: #333333;
  
  /* Utility Colors */
  --text-dark: #222222;
  --text-light: #ffffff;
  --text-medium: #777777;
  --background-light: #f5f5f5;
  --background-dark: #222222;
  --background-medium: #dddddd;
  --border-color: #444444;
  --shadow-color: rgba(0, 0, 0, 0.2);
  --card-background: #ffffff;
  --overlay-color: rgba(0, 0, 0, 0.7);
  --overlay-light: rgba(0, 0, 0, 0.5);
  --success-color: #4a4a4a;
  --error-color: #9a9a9a;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Typography */
  --h1-size: 3.5rem;
  --h2-size: 2.8rem;
  --h3-size: 2rem;
  --h4-size: 1.5rem;
  --body-size: 1rem;
  --small-size: 0.875rem;
  
  /* Borders */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-width: 2px;
  --border-width-thick: 4px;
  
  /* Shadows */
  --shadow-soft: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 8px 15px rgba(0, 0, 0, 0.15);
  --shadow-hard: 0 12px 28px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index layers */
  --z-menu: 100;
  --z-header: 50;
  --z-modal: 1000;
  --z-cookie: 9999;

  /* Layout */
  --container-width: 1200px;
  --container-padding: 20px;
}

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

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

body {
  font-family: 'Open Sans', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-light);
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

h1 {
  font-size: var(--h1-size);
  font-weight: 900;
}

h2 {
  font-size: var(--h2-size);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

h2:after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--primary-color);
  margin: 15px auto 0;
}

h3 {
  font-size: var(--h3-size);
}

h4 {
  font-size: var(--h4-size);
}

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

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

ul, ol {
  list-style: none;
}

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

.section-title {
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-lg);
}

/* Button Styles */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border: var(--border-width) solid var(--primary-color);
  border-radius: var(--border-radius-sm);
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-medium);
  text-align: center;
  font-size: 0.9rem;
  box-shadow: 5px 5px 0 var(--primary-darker);
}

.btn:hover, 
button:hover, 
input[type="submit"]:hover {
  background-color: transparent;
  color: var(--primary-color);
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--primary-darker);
}

.btn:active, 
button:active, 
input[type="submit"]:active {
  transform: translate(5px, 5px);
  box-shadow: none;
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: 5px 5px 0 var(--primary-light);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: 3px 3px 0 var(--primary-light);
}

.read-more {
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-weight: 600;
  color: var(--primary-color);
  position: relative;
  padding-bottom: 2px;
}

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

.read-more:hover:after {
  width: 100%;
}

/* Header & Navigation */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--background-light);
  box-shadow: var(--shadow-soft);
  padding: 15px 0;
  z-index: var(--z-header);
  transition: all var(--transition-medium);
}

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

.logo a {
  font-family: 'Raleway', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--primary-color);
  letter-spacing: 1px;
}

.main-nav ul {
  display: flex;
}

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

.main-nav a {
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  position: relative;
}

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

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

.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.mobile-nav-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--primary-color);
  transition: all var(--transition-medium);
}

/* Hero Section */
.hero-section {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 0;
  background-color: var(--primary-dark);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, var(--overlay-color), var(--overlay-light));
  z-index: 1;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: var(--spacing-xl);
}

.hero-content h1 {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  font-size: clamp(2.5rem, 5vw, 4rem);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-content p {
  color: var(--text-light);
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Particle Animation */
.particle-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Mission Section */
.mission-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

.mission-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

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

.mission-image {
  flex: 1;
  min-width: 300px;
  border: var(--border-width-thick) solid var(--primary-dark);
  box-shadow: 15px 15px 0 var(--primary-color);
  transition: all var(--transition-medium);
  overflow: hidden;
}

.mission-image:hover {
  transform: translate(5px, 5px);
  box-shadow: 10px 10px 0 var(--primary-color);
}

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

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

.progress-indicators {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.indicator {
  text-align: center;
  flex: 1;
  min-width: 120px;
  margin: var(--spacing-sm);
}

.indicator-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm);
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
}

/* Process Section */
.process-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-medium);
}

.process-steps {
  max-width: 900px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.process-step:last-child {
  margin-bottom: 0;
}

.process-step:before {
  content: '';
  position: absolute;
  top: 60px;
  left: 30px;
  height: calc(100% - 60px);
  width: 3px;
  background-color: var(--primary-color);
  z-index: 0;
}

.process-step:last-child:before {
  display: none;
}

.step-number {
  flex: 0 0 60px;
  height: 60px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Raleway', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  z-index: 1;
}

.step-content {
  flex: 1;
  padding-left: var(--spacing-md);
}

.step-content h3 {
  margin-bottom: var(--spacing-sm);
}

.step-image {
  margin-top: var(--spacing-md);
  border: var(--border-width) solid var(--primary-color);
  overflow: hidden;
  max-width: 400px;
}

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

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

/* Sustainability Section */
.sustainability-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

.sustainability-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

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

.sustainability-image {
  flex: 1;
  min-width: 300px;
  border: var(--border-width-thick) solid var(--primary-dark);
  box-shadow: -15px 15px 0 var(--primary-color);
  transition: all var(--transition-medium);
  overflow: hidden;
}

.sustainability-image:hover {
  transform: translate(-5px, 5px);
  box-shadow: -10px 10px 0 var(--primary-color);
}

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

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

.sustainability-pillars {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: var(--spacing-lg);
}

.pillar {
  flex: 1;
  min-width: 250px;
  margin: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--card-background);
  border: var(--border-width) solid var(--primary-color);
  box-shadow: 5px 5px 0 var(--primary-darker);
  transition: all var(--transition-medium);
}

.pillar:hover {
  transform: translateY(-5px);
  box-shadow: 5px 10px 0 var(--primary-darker);
}

.pillar h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.3rem;
}

/* Workshops Section */
.workshops-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-medium);
}

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

.workshop-card {
  background-color: var(--card-background);
  border: var(--border-width) solid var(--primary-color);
  box-shadow: 8px 8px 0 var(--primary-darker);
  transition: all var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.workshop-card:hover {
  transform: translate(3px, 3px);
  box-shadow: 5px 5px 0 var(--primary-darker);
}

.card-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  border-bottom: var(--border-width) solid var(--primary-color);
}

.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);
}

.card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.card-content h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.card-content p {
  margin-bottom: var(--spacing-sm);
  flex-grow: 1;
}

.card-content .btn {
  align-self: center;
  margin-top: auto;
}

/* Research/External Resources Section */
.research-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
}

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

.resource-card {
  padding: var(--spacing-md);
  background-color: var(--card-background);
  border: var(--border-width) solid var(--primary-color);
  box-shadow: 5px 5px 0 var(--primary-darker);
  transition: all var(--transition-medium);
}

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

.resource-card h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.resource-card a {
  color: var(--primary-color);
  font-weight: 600;
}

.resource-card a:hover {
  text-decoration: underline;
}

/* Portfolio Section */
.portfolio-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-medium);
}

.portfolio-gallery {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.gallery-slider {
  overflow: hidden;
  position: relative;
}

.gallery-slide {
  width: 100%;
}

.gallery-controls {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-md);
}

.gallery-controls button {
  margin: 0 var(--spacing-sm);
  background-color: transparent;
  color: var(--primary-color);
  border: var(--border-width) solid var(--primary-color);
  padding: 8px 20px;
  cursor: pointer;
  transition: all var(--transition-medium);
}

.gallery-controls button:hover {
  background-color: var(--primary-color);
  color: var(--text-light);
}

/* Blog Section */
.blog-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

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

.blog-card {
  background-color: var(--card-background);
  border: var(--border-width) solid var(--primary-color);
  box-shadow: 8px 8px 0 var(--primary-darker);
  transition: all var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.blog-card:hover {
  transform: translate(3px, 3px);
  box-shadow: 5px 5px 0 var(--primary-darker);
}

.blog-card .card-image {
  width: 100%;
  height: 250px;
}

.blog-card .post-date {
  font-size: var(--small-size);
  color: var(--text-medium);
  margin-bottom: var(--spacing-sm);
}

/* Awards Section */
.awards-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-medium);
}

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

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

.awards-logos {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

.award-logo {
  width: 200px;
  height: 150px;
  padding: var(--spacing-sm);
  background-color: var(--card-background);
  border: var(--border-width) solid var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-medium);
}

.award-logo:hover {
  transform: scale(1.05);
  box-shadow: 5px 5px 0 var(--primary-darker);
}

.award-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Contact Section */
.contact-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

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

.contact-info h3, .contact-form h3 {
  margin-bottom: var(--spacing-md);
}

.info-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.info-item .icon {
  margin-right: var(--spacing-sm);
  font-size: 1.5rem;
}

.business-hours {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.business-hours h4 {
  margin-bottom: var(--spacing-sm);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-group input, 
.form-group select, 
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: var(--border-width) solid var(--primary-color);
  background-color: var(--background-light);
  transition: all var(--transition-fast);
  font-family: 'Open Sans', sans-serif;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
  outline: none;
  box-shadow: 5px 5px 0 var(--primary-light);
}

.checkbox-container {
  display: block;
  position: relative;
  padding-left: 35px;
  cursor: pointer;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 25px;
  width: 25px;
  background-color: var(--background-light);
  border: var(--border-width) solid var(--primary-color);
}

.checkbox-container:hover input ~ .checkmark {
  background-color: var(--background-medium);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 9px;
  top: 5px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

/* Footer */
.main-footer {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo, .footer-links, .footer-social {
  flex: 1;
  min-width: 250px;
}

.footer-logo h3 {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.footer-links h4, .footer-social h4 {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.footer-links h4:after, .footer-social h4:after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--secondary-color);
}

.footer-links ul, .footer-social ul {
  padding: 0;
}

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

.footer-links a, .footer-social a {
  color: var(--secondary-color);
  transition: color var(--transition-fast);
}

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

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

/* Cookie Popup */
.cookie-popup {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--overlay-color);
  color: var(--text-light);
  padding: var(--spacing-md);
  z-index: var(--z-cookie);
}

.cookie-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.cookie-content p {
  margin: 0;
  flex: 1;
}

.cookie-btn {
  background-color: var(--text-light);
  color: var(--primary-color);
  border: none;
  padding: 8px 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 600;
}

.cookie-btn:hover {
  background-color: var(--secondary-color);
}

/* Success Page */
.success-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.success-content {
  max-width: 600px;
  padding: var(--spacing-xl);
  background-color: var(--card-background);
  border: var(--border-width) solid var(--primary-color);
  box-shadow: 15px 15px 0 var(--primary-darker);
}

.success-content h1 {
  margin-bottom: var(--spacing-md);
}

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

/* Other Pages Styles */
.page-content {
  padding: 120px 0 var(--spacing-xl);
}

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

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

.page-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.page-content h2:after {
  margin: 15px 0 0;
}

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

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

.page-content ul li, .page-content ol li {
  margin-bottom: var(--spacing-xs);
  list-style-type: disc;
}

.page-content ol li {
  list-style-type: decimal;
}

/* Responsive Styles */
@media (max-width: 992px) {
  :root {
    --h1-size: 3rem;
    --h2-size: 2.5rem;
    --h3-size: 1.8rem;
    --h4-size: 1.3rem;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--background-light);
    box-shadow: var(--shadow-soft);
    padding: var(--spacing-md);
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
  }
  
  .main-nav li {
    margin: var(--spacing-xs) 0;
  }
  
  .mobile-nav-toggle {
    display: flex;
  }
  
  .mission-content, 
  .sustainability-content, 
  .awards-content {
    flex-direction: column;
  }
  
  .mission-image, 
  .sustainability-image {
    margin-top: var(--spacing-md);
  }
  
  .process-step {
    flex-direction: column;
  }
  
  .step-number {
    margin-bottom: var(--spacing-sm);
  }
  
  .process-step:before {
    display: none;
  }
  
  .step-content {
    padding-left: 0;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-btn {
    width: 100%;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 3rem;
    --spacing-lg: 2rem;
    --spacing-md: 1.5rem;
  }
  
  .hero-content {
    padding: var(--spacing-lg);
  }
  
  .indicator {
    flex: 0 0 calc(50% - var(--spacing-md));
    margin-bottom: var(--spacing-md);
  }
  
  .gallery-controls button {
    padding: 6px 15px;
    font-size: 0.9rem;
  }
}

@media (max-width: 576px) {
  :root {
    --h1-size: 2.5rem;
    --h2-size: 2rem;
    --h3-size: 1.5rem;
    --h4-size: 1.2rem;
    --spacing-xl: 2.5rem;
    --spacing-lg: 1.5rem;
  }
  
  .indicator {
    flex: 0 0 100%;
  }
  
  .pillar {
    flex: 0 0 100%;
    margin-bottom: var(--spacing-md);
  }
  
  .award-logo {
    width: 150px;
    height: 120px;
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transition: opacity 1s ease;
}

.fade-in.visible {
  opacity: 1;
}

.slide-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-left {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

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

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

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

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

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