:root {
  /* Primary Colors */
  --primary-blue: #2563eb;
  --primary-blue-hover: #1d4ed8;
  --primary-blue-light: #dbeafe;
  
  /* Secondary Colors */
  --secondary-green: #059669;
  --secondary-green-hover: #047857;
  --secondary-green-light: #dcfce7;
  
  /* Accent Colors */
  --accent-purple: #7c3aed;
  --accent-purple-hover: #6d28d9;
  --accent-purple-light: #f3e8ff;
  
  /* Utility Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* White and Black */
  --white: #ffffff;
  --black: #000000;
  
  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --line-height-body: 1.5;
  --line-height-heading: 1.2;
  
  /* Spacing */
  --spacing-1: 8px;
  --spacing-2: 16px;
  --spacing-3: 24px;
  --spacing-4: 32px;
  --spacing-5: 40px;
  --spacing-6: 48px;
  --spacing-8: 64px;
  --spacing-10: 80px;
  --spacing-12: 96px;
  
  /* Shadows */
  --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);
}

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

body {
  font-family: var(--font-family);
  line-height: var(--line-height-body);
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-2);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--line-height-heading);
  color: var(--gray-900);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-2);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Buttons */
.btn-primary {
  display: inline-block;
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--primary-blue-hover);
  color: var(--white);
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--primary-blue);
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 2px solid var(--primary-blue);
}

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

/* Section Styles */
section {
  padding: var(--spacing-10) 0;
  text-align: center;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.section-header h2 {
  margin-bottom: var(--spacing-2);
}

.section-header p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--white) 100%);
  padding: var(--spacing-12) 0;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.logo-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.brand-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-3);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-5);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-2);
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

/* What We Do Section */
.what-we-do {
  background-color: var(--gray-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-4);
}

.service-item {
  background-color: var(--white);
  padding: var(--spacing-4);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.service-icon {
  margin-bottom: var(--spacing-3);
  display: flex;
  justify-content: center;
}

.service-item h3 {
  margin-bottom: var(--spacing-2);
  color: var(--gray-900);
}

/* Key Features Section */
.features-list {
  display: grid;
  gap: var(--spacing-3);
  max-width: 800px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  padding: var(--spacing-3);
  background-color: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  background-color: var(--secondary-green);
  color: var(--white);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-content h3 {
  margin-bottom: var(--spacing-1);
  font-size: 1.1rem;
}

.feature-content p {
  margin-bottom: 0;
}

/* How It Works Section */
.how-it-works {
  background-color: var(--gray-50);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-4);
}

.step {
  text-align: center;
  padding: var(--spacing-4);
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: var(--primary-blue);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-3);
}

.step h3 {
  margin-bottom: var(--spacing-2);
}

/* Products Section */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-4);
}

.product-card {
  background-color: var(--white);
  border-radius: 12px;
  padding: var(--spacing-4);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

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

.product-card.featured {
  border: 2px solid var(--primary-blue);
}

.product-card.featured::before {
  content: "Popular";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.product-header {
  text-align: center;
  margin-bottom: var(--spacing-3);
}

.product-header h3 {
  margin-bottom: var(--spacing-1);
}

.product-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.product-features ul {
  list-style: none;
  margin-bottom: var(--spacing-4);
}

.product-features li {
  padding: var(--spacing-1) 0;
  color: var(--gray-600);
  position: relative;
  padding-left: var(--spacing-3);
}

.product-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-green);
  font-weight: bold;
}

.product-cta {
  text-align: center;
}

/* Why Choose Us Section */
.why-choose-us {
  background-color: var(--gray-50);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-4);
}

.benefit-item {
  text-align: center;
  padding: var(--spacing-3);
}

.benefit-item h3 {
  margin-bottom: var(--spacing-2);
  color: var(--primary-blue);
}

/* Case Studies Section */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-4);
}

.case-study {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.case-study-image {
  height: 200px;
  background-color: var(--gray-200);
  overflow: hidden;
  border-radius: 12px 12px 0 0;
}

.case-study-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px 12px 0 0;
}

.image-placeholder {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  font-style: italic;
}

.case-study-content {
  padding: var(--spacing-4);
}

.case-study-content h3 {
  margin-bottom: var(--spacing-2);
}

.case-study-content p {
  margin-bottom: var(--spacing-3);
}

.case-study-stats {
  display: flex;
  gap: var(--spacing-2);
}

.stat {
  background-color: var(--secondary-green-light);
  color: var(--secondary-green);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Testimonials Section */
.testimonials {
  background-color: var(--gray-50);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-4);
}

.testimonial {
  background-color: var(--white);
  padding: var(--spacing-4);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.testimonial-content {
  margin-bottom: var(--spacing-3);
}

.testimonial-content p {
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gray-700);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.author-avatar {
  width: 50px;
  height: 50px;
  background-color: var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  font-size: 0.8rem;
}

.author-name {
  font-weight: 600;
  color: var(--gray-900);
}

.author-title {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* Contact Section */
.contact {
  background-color: var(--primary-blue-light);
  text-align: left;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-4);
  max-width: 800px;
  margin: 0 auto;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  text-align: left;
}

.contact-icon {
  background-color: var(--primary-blue);
  color: var(--white);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-content h3 {
  margin-bottom: var(--spacing-1);
  color: var(--gray-900);
}

.contact-content p {
  margin-bottom: 0;
}

.contact-content a {
  color: var(--primary-blue);
  font-weight: 500;
}

/* Footer */
.footer {
  background-color: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-8) 0 var(--spacing-4);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-6);
  align-items: start;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-3);
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.footer-description {
  color: var(--gray-400);
  max-width: 400px;
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4);
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: var(--spacing-2);
  font-size: 1rem;
}

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

.footer-column li {
  margin-bottom: var(--spacing-1);
}

.footer-column a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: var(--spacing-4);
  text-align: center;
}

.footer-bottom p {
  color: var(--gray-400);
  margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-2);
  }
  
  .hero-content {
    padding: 0 var(--spacing-2);
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta .btn-primary,
  .hero-cta .btn-secondary {
    width: 100%;
    max-width: 280px;
  }
  
  .services-grid,
  .products-grid,
  .benefits-grid,
  .case-studies-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
    text-align: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
    text-align: center;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.7rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--spacing-8) 0;
  }
  
  .hero-title {
    font-size: 1.9rem;
  }
  
  .brand-name {
    font-size: 1.5rem;
  }
  
  .logo-section {
    flex-direction: column;
    gap: var(--spacing-1);
  }
  
  section {
    padding: var(--spacing-6) 0;
  }
  
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
  
  .case-study {
    margin: 0 -16px;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
}