:root {
  /* Core colors */
  --primary-color: #326789;
  --primary-dark: #1e4258;
  --primary-light: #4f85a7;
  --secondary-color: #78a6c8;
  --accent-color: #e65c4f;
  --accent-light: #f07a6e;
  --accent-dark: #c7422e;
  --text-color: #333333;
  --text-light: #666666;
  --background-color: #ffffff;
  --background-alt: #f8f9fa;
  --border-color: #e0e0e0;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --error-color: #f44336;

  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
  --font-size-small: 0.875rem;
  --font-size-base: 1rem;
  --font-size-medium: 1.125rem;
  --font-size-large: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  --font-size-xxxl: 2.5rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;

  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-width: 1px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --container-width: 1200px;
  --section-padding: 5rem 0;
}

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

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--primary-dark);
}

h1 {
  font-size: var(--font-size-xxxl);
}

h2 {
  font-size: var(--font-size-xxl);
}

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

p {
  margin-bottom: var(--spacing-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 {
  list-style: none;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  position: relative;
}

/* Section styles */
section {
  padding: var(--section-padding);
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background-color: var(--accent-color);
  margin: var(--spacing-sm) auto 0;
}

.section-subtitle {
  text-align: center;
  font-size: var(--font-size-large);
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

/* Button styles */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.5;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

button, input[type='submit'] {
  cursor: pointer;
  font-family: var(--font-body);
}

/* Header styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  padding: 1rem 0;
}

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

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

.main-nav ul {
  display: flex;
  gap: var(--spacing-lg);
}

.main-nav a {
  font-weight: 600;
  color: var(--text-color);
  text-decoration: none;
  transition: color var(--transition-fast);
  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-normal);
}

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

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

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

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
}

/* Hero section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 0;
  margin-top: 0;
  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;
  text-align: center;
  max-width: 800px;
  padding: var(--spacing-xl);
}

.hero-content h1 {
  color: white;
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInDown 1s ease-out;
}

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

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  animation: fadeInUp 1s ease-out 0.6s;
  animation-fill-mode: both;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Methodology section */
.methodology {
  background-color: var(--background-alt);
  position: relative;
  overflow: hidden;
}

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

.methodology-item {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
}

.methodology-item.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.methodology-icon {
  margin-bottom: var(--spacing-lg);
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.methodology-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

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

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

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

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: var(--primary-light);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xxl);
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-normal);
}

.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline-year {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  z-index: 2;
}

.timeline-content {
  position: relative;
  width: calc(50% - 40px);
  padding: var(--spacing-lg);
  background-color: white;
  box-shadow: var(--shadow-md);
  border-radius: var(--border-radius-md);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-right: auto;
}

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

.timeline-content img {
  margin-top: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Research section */
.research {
  background-color: var(--background-alt);
}

.research-accordion {
  max-width: 900px;
  margin: 0 auto;
}

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

.accordion-header {
  padding: var(--spacing-lg);
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

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

.accordion-icon {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform var(--transition-normal);
}

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

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

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

.research-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
}

.research-text p:last-child {
  margin-bottom: 0;
}

.research-image {
  text-align: center;
}

.research-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  margin: 0 auto;
}

/* External resources */
.external-resources {
  background-color: white;
}

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

.resource-card {
  padding: var(--spacing-lg);
  background-color: var(--background-alt);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

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

.resource-card h3 a {
  color: var(--primary-color);
  text-decoration: none;
}

.resource-card p {
  font-size: var(--font-size-small);
  color: var(--text-light);
  margin: 0;
}

/* Case studies */
.case-studies {
  position: relative;
}

.cases-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xxl);
}

.case-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-normal);
}

.case-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.case-image {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

.case-location {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

/* Success stories */
.success-stories {
  background-color: var(--background-alt);
  position: relative;
}

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

.testimonial-item {
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  margin: 0 var(--spacing-md);
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-normal);
}

.testimonial-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.testimonial-content p {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.testimonial-content p::before,
.testimonial-content p::after {
  content: '"';
  font-size: 1.5em;
  color: var(--primary-light);
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin-right: var(--spacing-md);
  object-fit: cover;
}

.author-info h4 {
  margin: 0 0 var(--spacing-xs);
  font-size: var(--font-size-medium);
}

.author-info p {
  margin: 0;
  color: var(--text-light);
  font-size: var(--font-size-small);
}

/* Partners */
.partners {
  position: relative;
}

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

.partner-item {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  background-color: white;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: translateY(30px);
}

.partner-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.partner-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-md);
}

.partner-item img {
  margin-bottom: var(--spacing-md);
  height: 100px;
  width: auto;
  object-fit: contain;
}

.partner-item h3 {
  font-size: var(--font-size-medium);
  margin-bottom: var(--spacing-xs);
}

.partner-item p {
  font-size: var(--font-size-small);
  color: var(--text-light);
  margin: 0;
}

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

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

.media-item {
  background-color: white;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: translateY(30px);
}

.media-item.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.image-container {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

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

.media-item h3 {
  margin: var(--spacing-md) 0 var(--spacing-xs);
  padding: 0 var(--spacing-lg);
  text-align: center;
  color: var(--primary-color);
}

.media-item p {
  padding: 0 var(--spacing-lg);
  text-align: center;
  margin-bottom: var(--spacing-xs);
}

.media-date {
  color: var(--text-light);
  font-size: var(--font-size-small);
  font-style: italic;
  margin-bottom: var(--spacing-lg);
}

/* Pricing */
.pricing {
  position: relative;
}

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

.pricing-item {
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(30px);
}

.pricing-item.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.pricing-item.featured {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--primary-color);
  position: relative;
  z-index: 1;
}

.pricing-item.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.pricing-header {
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  background-color: var(--primary-color);
  color: white;
}

.pricing-header h3 {
  color: white;
  margin-bottom: var(--spacing-sm);
}

.price {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.pricing-features {
  padding: var(--spacing-xl);
  flex-grow: 1;
}

.pricing-features ul {
  padding-left: var(--spacing-lg);
}

.pricing-features li {
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-left: var(--spacing-lg);
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.pricing-footer {
  padding: 0 var(--spacing-xl) var(--spacing-xl);
  text-align: center;
}

/* Contact */
.contact {
  background-color: var(--background-alt);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xxl);
}

.contact-info h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
}

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

.social-links {
  margin-top: var(--spacing-xl);
}

.social-links h4 {
  margin-bottom: var(--spacing-md);
}

.social-links ul {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  color: var(--primary-color);
  font-weight: 600;
  transition: color var(--transition-normal);
}

.social-links a:hover {
  color: var(--accent-color);
}

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

.contact-form h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
}

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

.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: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.checkbox-container input {
  width: auto;
  margin-top: 0.25rem;
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: white;
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-column h3 {
  color: white;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-large);
}

.footer-column p {
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: white;
}

.social-media {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-media a {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  transition: color var(--transition-normal);
}

.social-media a:hover {
  color: white;
}

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

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-small);
}

/* Cookie consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  padding: var(--spacing-lg);
  z-index: 1000;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
}

.cookie-content p {
  color: white;
  margin: 0;
  padding-right: var(--spacing-lg);
}

.cookie-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

/* 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(--success-color);
}

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

/* 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);
}

.privacy-content h1,
.terms-content h1 {
  margin-bottom: var(--spacing-xl);
}

.privacy-content h2,
.terms-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

/* Responsive styles */
@media (max-width: 1024px) {
  :root {
    --section-padding: 4rem 0;
  }
  
  .hero-content h1 {
    font-size: 2.8rem;
  }
  
  .hero-content p {
    font-size: var(--font-size-large);
  }
  
  .timeline::before {
    left: 30px;
  }
  
  .timeline-year {
    left: 30px;
    transform: none;
  }
  
  .timeline-content {
    width: calc(100% - 80px);
    margin-left: 80px !important;
  }
  
  .research-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .case-item {
    grid-template-columns: 1fr;
  }
  
  .case-image {
    height: 300px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 0;
    --font-size-xxxl: 2rem;
    --font-size-xxl: 1.75rem;
    --font-size-xl: 1.5rem;
  }
  
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: white;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 999;
  }
  
  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hamburger-menu {
    display: flex;
  }
  
  .hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .hamburger-menu.active span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }
  
  .hero-content h1 {
    font-size: 2.2rem;
  }
  
  .hero-content p {
    font-size: var(--font-size-medium);
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .section-subtitle {
    font-size: var(--font-size-base);
  }
  
  .methodology-grid,
  .pricing-grid,
  .partners-grid,
  .media-gallery,
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-item.featured {
    transform: scale(1);
  }
  
  .pricing-item.featured:hover {
    transform: translateY(-10px);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .social-links ul {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 1.5rem;
    --spacing-lg: 1rem;
  }
  
  .hero-content h1 {
    font-size: 1.8rem;
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-content p {
    margin-bottom: var(--spacing-md);
  }
}