:root {
  --primary-color: #2563EB;
  --secondary-color: #7C3AED;
  --accent-color: #10B981;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --background-light: #F9FAFB;
  --white: #FFFFFF;
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --border-radius: 8px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
}

* {
  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(--white);
}

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

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.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);
}

/* Buttons */
.cta-button {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.cta-button.primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.cta-button.primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.cta-button.secondary:hover {
  background: var(--primary-color);
  color: var(--white);
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  min-height: 100vh;
  padding: var(--spacing-2xl) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
}

/* Services Section */
.services {
  padding: var(--spacing-2xl) 0;
  background: var(--background-light);
}

.services h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.section-intro {
  font-size: 1.125rem;
  text-align: center;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
  line-height: 1.7;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.service-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

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

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

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-2xl) 0;
}

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

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

.testimonial {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--primary-color);
  transition: transform 0.3s ease;
}

.testimonial:hover {
  transform: translateY(-2px);
}

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

.testimonial cite {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-style: normal;
}

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

.testimonial cite strong {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial cite span {
  display: block;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Contact Section */
.contact {
  padding: var(--spacing-2xl) 0;
  background: var(--background-light);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

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

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

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

.contact-item {
  color: var(--text-secondary);
}

.contact-item strong {
  color: var(--text-primary);
}

/* Contact Form */
.contact-form {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.checkbox-group label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  line-height: 1.5;
}

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

.checkbox-group a {
  color: var(--primary-color);
  text-decoration: underline;
}

.contact-form .cta-button {
  width: 100%;
  margin-top: var(--spacing-md);
}

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

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--white);
}

.footer-brand p {
  color: var(--text-light);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

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

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

.footer-links a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-contact p {
  color: var(--text-light);
}

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

/* Legal Sections */
.legal-section {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.legal-section .container {
  background: var(--white);
  max-width: 800px;
  margin: var(--spacing-lg) auto;
  padding: var(--spacing-2xl);
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.legal-section h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.legal-section h3 {
  font-size: 1.25rem;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
  color: var(--text-primary);
  font-weight: 600;
}

.legal-section p,
.legal-section li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
  color: var(--text-secondary);
}

.legal-section ul {
  padding-left: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    gap: var(--spacing-md);
  }
  
  .nav-links a:not(.cta-button) {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-cta {
    justify-content: center;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .legal-section {
    padding: var(--spacing-sm);
  }

  .legal-section .container {
    margin: var(--spacing-sm) auto;
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .services h2,
  .testimonials h2,
  .contact-info h2 {
    font-size: 2rem;
  }

  .cta-button {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

/* Performance Optimizations */
img {
  max-width: 100%;
  height: auto;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}