:root {
  /* Color palette */
  --primary-color: #333333;
  --primary-light: #666666;
  --primary-dark: #111111;
  --secondary-color: #f5f5f5;
  --secondary-light: #ffffff;
  --secondary-dark: #e0e0e0;
  --accent-color: #444444;
  --text-light: #ffffff;
  --text-dark: #333333;
  --text-muted: #777777;
  --error-color: #e53935;
  --success-color: #43a047;
  --shadow-color: rgba(0, 0, 0, 0.2);
  --shadow-light: rgba(255, 255, 255, 0.8);
  
  /* Typography */
  --font-heading: 'Raleway', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Base styles */
html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--primary-dark);
}

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

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

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

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

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

.text-white {
  color: var(--text-light) !important;
}

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

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

/* Neomorphic elements */
.neomorphic-card {
  background-color: var(--secondary-color);
  box-shadow: 
    8px 8px 16px var(--shadow-color),
    -8px -8px 16px var(--shadow-light);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.neomorphic-card:hover {
  transform: translateY(-5px);
  box-shadow: 
    10px 10px 20px var(--shadow-color),
    -10px -10px 20px var(--shadow-light);
}

.neomorphic-button {
  display: inline-block;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast);
}

.neomorphic-button:hover {
  transform: translateY(-3px);
}

.neomorphic-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.neomorphic-button:hover::before {
  transform: translateX(100%);
}

.neomorphic-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 
    5px 5px 10px var(--shadow-color),
    -5px -5px 10px var(--shadow-light);
}

.neomorphic-input {
  box-shadow: 
    inset 4px 4px 8px var(--shadow-color),
    inset -4px -4px 8px var(--shadow-light);
  transition: all var(--transition-normal);
}

.neomorphic-input:focus {
  box-shadow: 
    inset 2px 2px 4px var(--shadow-color),
    inset -2px -2px 4px var(--shadow-light),
    0 0 0 3px rgba(66, 153, 225, 0.5);
}

/* Button styles */
.btn-primary, 
button, 
input[type="submit"] {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  font-family: var(--font-body);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover, 
button:hover, 
input[type="submit"]:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background-color: var(--secondary-dark);
  color: var(--text-dark);
}

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

/* Read more links */
.read-more {
  display: inline-block;
  font-weight: 600;
  color: var(--primary-color);
  position: relative;
  padding-right: 1.5rem;
}

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

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

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

/* Header styles */
header {
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

header.scrolled {
  background-color: var(--secondary-light);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Mobile menu */
#mobile-menu {
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

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

/* Hero section */
.hero-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--text-light);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
}

.hero-section h1 {
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-section p {
  color: var(--text-light);
  margin-bottom: var(--spacing-xl);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Timeline styles */
.timeline {
  position: relative;
  padding: var(--spacing-xl) 0;
}

.timeline-step {
  position: relative;
  z-index: 1;
}

.timeline-dot {
  background-color: var(--primary-color);
  border: 4px solid var(--secondary-light);
  z-index: 2;
}

/* Features section */
.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.card-image {
  width: 100%;
  text-align: center;
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  border-radius: var(--radius-md);
}

.card-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-normal);
  display: block;
  margin: 0 auto;
}

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

.card-content {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

/* Methodology / Carousel */
.carousel-container {
  position: relative;
  overflow: hidden;
  padding: var(--spacing-md) 0;
}

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

.carousel-slide {
  flex-shrink: 0;
  padding: 0 var(--spacing-md);
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

.carousel-prev {
  left: 10px;
}

.carousel-next {
  right: 10px;
}

/* Contact section */
.contact-form {
  margin-bottom: var(--spacing-xl);
}

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

.contact-info-item {
  display: flex;
  align-items: flex-start;
}

.contact-info-item svg {
  margin-right: var(--spacing-sm);
  flex-shrink: 0;
}

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

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

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

footer a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer-social a {
  display: inline-block;
  margin-right: var(--spacing-md);
  font-weight: 600;
  text-decoration: none;
}

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

/* Cookie consent */
#cookie-consent {
  background-color: var(--primary-dark);
  color: var(--text-light);
  padding: var(--spacing-md);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
}

#cookie-consent button {
  background-color: var(--text-light);
  color: var(--primary-dark);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

#cookie-consent button:hover {
  background-color: var(--secondary-dark);
}

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

.success-container {
  max-width: 600px;
  margin: 0 auto;
}

.success-icon {
  font-size: 4rem;
  color: var(--success-color);
  margin-bottom: var(--spacing-lg);
}

/* Privacy and Terms pages */
.page-content {
  padding-top: 120px;
  padding-bottom: var(--spacing-xl);
}

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

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

/* Media queries */
@media (max-width: 768px) {
  .hero-section {
    text-align: center;
  }
  
  .timeline-step {
    flex-direction: column;
  }
  
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .timeline-dot {
    margin: var(--spacing-lg) auto;
  }
  
  .carousel-slide {
    width: 100%;
  }
  
  footer {
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
    margin-bottom: var(--spacing-lg);
  }
}

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

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.active {
  opacity: 1;
  transform: translateY(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Animation for the bounce arrow */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-20px);
  }
  60% {
    transform: translateY(-10px);
  }
}

.animate-bounce {
  animation: bounce 2s infinite;
}

/* Neo-brutalism elements */
.neo-brutal {
  border: 3px solid var(--primary-dark);
  box-shadow: 8px 8px 0 var(--primary-dark);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.neo-brutal:hover {
  transform: translate(4px, 4px);
  box-shadow: 4px 4px 0 var(--primary-dark);
}

/* Image gallery */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.gallery-item img {
  transition: transform var(--transition-normal);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  color: var(--text-light);
  opacity: 0;
  transform: translateY(100%);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive adjustments */
@media (max-width: 640px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero-section {
    padding: var(--spacing-xl) 0;
  }
  
  .card-image img {
    height: 200px;
  }
}