:root {
  --primary-color: #22C55E;
  --secondary-color: #FB923C;
  --accent-color: #3B82F6;
  --success-color: #10B981;
  --warning-color: #F59E0B;
  --error-color: #EF4444;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --background: #FFFFFF;
  --background-secondary: #F9FAFB;
  --border-color: #E5E7EB;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background);
}

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

/* Header */
.header {
  background: var(--background);
  box-shadow: var(--shadow);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

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

.logo h1 {
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--background-secondary) 0%, var(--background) 100%);
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl) 0;
  margin-top: 80px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-text h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.cta-button {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.cta-button:hover {
  background: #16A34A;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.hero-image img {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

/* Features Section */
.features {
  padding: var(--spacing-3xl) 0;
  background: var(--background);
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-primary);
  font-weight: 700;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--background);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-weight: 600;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* About Section */
.about {
  padding: var(--spacing-3xl) 0;
  background: var(--background-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  font-weight: 700;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  font-size: 1.125rem;
}

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

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-3xl) 0;
  background: var(--background);
}

.testimonials h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-primary);
  font-weight: 700;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background: var(--background);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.testimonial-content p {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

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

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.author-info span {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Contact Section */
.contact {
  padding: var(--spacing-3xl) 0;
  background: var(--background-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  font-weight: 700;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  font-size: 1.125rem;
  line-height: 1.6;
}

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

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

.feature-check {
  color: var(--success-color);
  font-weight: 700;
  font-size: 1.25rem;
}

.contact-form {
  background: var(--background);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.form h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  font-weight: 600;
}

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

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

.form-group input {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

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

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: 0.875rem;
  line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.checkbox-label a {
  color: var(--primary-color);
  text-decoration: none;
}

.checkbox-label a:hover {
  text-decoration: underline;
}

.submit-button {
  width: 100%;
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.submit-button:hover {
  background: #16A34A;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg) 0;
}

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

.footer-section h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.footer-section p {
  color: #D1D5DB;
  line-height: 1.6;
}

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

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

.footer-section ul li a {
  color: #D1D5DB;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

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

.social-links a {
  display: inline-block;
  font-size: 1.5rem;
  text-decoration: none;
  transition: transform 0.3s ease;
}

.social-links a:hover {
  transform: scale(1.2);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: var(--spacing-lg);
  text-align: center;
  color: #9CA3AF;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: none;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.cookie-content p {
  flex: 1;
  margin: 0;
  color: #D1D5DB;
}

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

.cookie-accept {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: background 0.3s ease;
}

.cookie-accept:hover {
  background: #16A34A;
}

.cookie-customize {
  background: transparent;
  color: white;
  border: 1px solid white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.cookie-customize:hover {
  background: white;
  color: var(--text-primary);
}

.cookie-learn {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.cookie-learn:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .nav-links {
    gap: var(--spacing-md);
  }
  
  .hero {
    padding: calc(120px + var(--spacing-xl)) 0 var(--spacing-xl) 0;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-text h1 {
    font-size: 2rem;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .features h2, .about-text h2, .testimonials h2, .contact-info h2 {
    font-size: 2rem;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-buttons {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-text h1 {
    font-size: 1.75rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}