:root {
  --primary: #6366F1;
  --secondary: #14B8A6;
  --accent: #F59E0B;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --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: #FFFFFF;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  padding: 80px 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

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

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}

.logo {
  width: 48px;
  height: 48px;
}

.brand-name {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 24px;
  text-align: center;
}

.hero-description {
  font-size: 1.25rem;
  line-height: 1.5;
  margin-bottom: 32px;
  opacity: 0.9;
  text-align: center;
  max-width: 600px;
}

.cta-button {
  background: var(--white);
  color: var(--primary);
  border: none;
  padding: 16px 32px;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-main-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Section Styling */
section {
  padding: 80px 0;
}

section h2 {
  font-size: 2.25rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 48px;
  color: var(--gray-900);
}

/* About Section */
.about {
  background: var(--gray-50);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text h2 {
  text-align: left;
  margin-bottom: 24px;
}

.about-text p {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--gray-600);
}

.about-main-image {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--white);
  padding: 32px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  text-align: center;
  border: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.feature-image {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  overflow: hidden;
  border-radius: 20px 20px 0 0;
}

.feature-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin: 120px 0 24px 0;
  position: relative;
  z-index: 2;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--gray-900);
}

.feature-card p {
  color: var(--gray-600);
  line-height: 1.5;
}

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

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
}

.step {
  text-align: center;
  position: relative;
}

.step-image {
  margin-bottom: 24px;
  position: relative;
}

.step-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
  margin: -32px auto 24px;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.step h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--gray-900);
}

.step p {
  color: var(--gray-600);
  line-height: 1.5;
}

/* Benefits Section */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.benefit {
  text-align: center;
  padding: 24px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.benefit:hover {
  transform: translateY(-4px);
}

.benefit-image {
  margin-bottom: 24px;
}

.benefit-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 12px;
}

.benefit h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--gray-900);
}

.benefit p {
  color: var(--gray-600);
  line-height: 1.5;
}

/* Products Section */
.products {
  background: var(--gray-50);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--white);
  padding: 40px 32px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  text-align: center;
  border: 1px solid var(--gray-100);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.product-card.featured {
  border: 2px solid var(--primary);
  transform: scale(1.05);
}

.product-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.product-card.featured::before {
  content: "Most Popular";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: 8px 24px;
  border-radius: 24px;
  font-size: 0.875rem;
  font-weight: 600;
}

.product-image {
  margin-bottom: 24px;
  border-radius: 12px;
  overflow: hidden;
}

.product-img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}

.product-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--gray-900);
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 32px;
}

.features-list {
  list-style: none;
  margin-bottom: 32px;
}

.features-list li {
  padding: 8px 0;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
}

.features-list li:last-child {
  border-bottom: none;
}

.purchase-button {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  width: 100%;
  transition: background-color 0.2s, transform 0.2s;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.2);
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.purchase-button:hover {
  background: #5046E5;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

/* Testimonials Section */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.testimonial {
  background: var(--white);
  padding: 32px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--gray-100);
  transition: transform 0.3s ease;
}

.testimonial:hover {
  transform: translateY(-4px);
}

.testimonial-image {
  margin-bottom: 24px;
  text-align: center;
}

.testimonial-img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--primary);
}

.testimonial p {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--gray-700);
  margin-bottom: 24px;
  font-style: italic;
}

.author {
  font-weight: 600;
  color: var(--primary);
}

/* Use Cases Section */
.use-cases {
  background: var(--gray-50);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.use-case {
  background: var(--white);
  padding: 32px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  text-align: center;
  border: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.use-case:hover {
  transform: translateY(-8px);
}

.use-case-image {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  overflow: hidden;
  border-radius: 20px 20px 0 0;
}

.use-case-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}

.use-case-icon {
  width: 48px;
  height: 48px;
  margin: 120px 0 24px 0;
  position: relative;
  z-index: 2;
}

.use-case h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--gray-900);
}

.use-case p {
  color: var(--gray-600);
  line-height: 1.5;
}

/* Contact Section */
.contact {
  background: var(--gray-900);
  color: var(--white);
}

.contact h2 {
  color: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.contact-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.contact-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--secondary);
}

.contact-item p {
  font-size: 1.125rem;
  line-height: 1.5;
}

.contact-item a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.2s;
}

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

.contact-main-image {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 48px 0 24px;
  border-top: 1px solid var(--gray-800);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  width: 32px;
  height: 32px;
}

.footer-brand-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--white);
}

.footer-section a {
  display: block;
  color: var(--gray-300);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-section a:hover {
  color: var(--secondary);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .hero-content {
    order: 1;
  }
  
  .hero-image {
    order: 2;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .brand-name {
    font-size: 2rem;
  }
  
  .logo {
    width: 40px;
    height: 40px;
  }
  
  section h2 {
    font-size: 1.875rem;
  }
  
  .container {
    padding: 0 16px;
  }
  
  section {
    padding: 48px 0;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .about-text h2 {
    text-align: center;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .product-card.featured {
    transform: none;
  }
  
  .product-card.featured:hover {
    transform: translateY(-8px);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .hero-description {
    font-size: 1.125rem;
  }
  
  .hero-main-image {
    height: 300px;
  }
  
  .about-main-image {
    height: 250px;
  }
  
  .contact-main-image {
    height: 250px;
  }
}

@media (max-width: 480px) {
  .features-grid,
  .products-grid,
  .testimonials-grid,
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .brand-name {
    font-size: 1.75rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .logo {
    width: 36px;
    height: 36px;
  }
  
  .brand {
    gap: 12px;
  }
  
  .hero-main-image {
    height: 250px;
  }
  
  .about-main-image {
    height: 200px;
  }
  
  .contact-main-image {
    height: 200px;
  }
  
  .cta-button {
    padding: 14px 28px;
    font-size: 1rem;
  }
  
  .step-img {
    height: 150px;
  }
  
  .benefit-img {
    height: 120px;
  }
  
  .product-img {
    height: 100px;
  }
  
  .testimonial-img {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 320px) {
  .container {
    padding: 0 12px;
  }
  
  .brand-name {
    font-size: 1.5rem;
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .logo {
    width: 32px;
    height: 32px;
  }
  
  .hero-main-image {
    height: 200px;
  }
  
  .about-main-image {
    height: 180px;
  }
  
  .contact-main-image {
    height: 180px;
  }
}