:root {
  --primary-green: #4CAF50;
  --primary-green-dark: #388E3C;
  --primary-green-light: #66BB6A;
  --background: #FFFFFF;
  --text-primary: #212121;
  --text-secondary: #757575;
  --border: #E0E0E0;
  --shadow: rgba(0, 0, 0, 0.1);
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--primary-green) 100%);
  color: white;
  border-radius: 12px;
  margin-bottom: 60px;
  box-shadow: 0 4px 20px var(--shadow);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero .tagline {
  font-size: 1.5rem;
  margin-bottom: 40px;
  opacity: 0.95;
}

.cta-container {
  margin-top: 40px;
}

.cta-button {
  display: inline-block;
  padding: 18px 48px;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-green);
  background: white;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.cta-subtitle {
  margin-top: 15px;
  font-size: 0.95rem;
  opacity: 0.9;
}

/* Screenshots Section */
.screenshots-section {
  margin-bottom: 80px;
  text-align: center;
}

.screenshots-section h2 {
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 40px;
}

.screenshots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.screenshots img {
  max-width: 280px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 0.3s ease;
}

.screenshots img:hover {
  transform: scale(1.05);
}

/* Features Section */
.features {
  margin-bottom: 80px;
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 50px;
}

.screenshots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.screenshots img {
  max-width: 280px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 0.3s ease;
}

.screenshots img:hover {
  transform: scale(1.05);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.feature {
  padding: 30px;
  background: white;
  border: 2px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.feature:hover {
  border-color: var(--primary-green);
  box-shadow: 0 4px 20px var(--shadow);
  transform: translateY(-5px);
}

.feature h3 {
  font-size: 1.5rem;
  color: var(--primary-green);
  margin-bottom: 15px;
}

.feature p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
  margin-bottom: 80px;
  padding: 40px;
  background: #F5F5F5;
  border-radius: 12px;
}

.how-it-works h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 40px;
}

.steps {
  max-width: 800px;
  margin: 0 auto;
  list-style: none;
  counter-reset: step-counter;
}

.steps li {
  counter-increment: step-counter;
  padding: 25px 25px 25px 80px;
  margin-bottom: 20px;
  background: white;
  border-radius: 8px;
  position: relative;
  box-shadow: 0 2px 10px var(--shadow);
}

.steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 45px;
  height: 45px;
  background: var(--primary-green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.steps li strong {
  color: var(--primary-green);
  display: block;
  margin-bottom: 5px;
}

/* About Section */
.about {
  margin-bottom: 80px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.about h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 30px;
}

.about p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.about a {
  color: var(--primary-green);
  text-decoration: none;
  font-weight: 600;
}

.about a:hover {
  text-decoration: underline;
}

/* Final CTA */
.final-cta {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
  color: white;
  border-radius: 12px;
  margin-bottom: 40px;
}

.final-cta h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

/* Footer */
.footer-info {
  text-align: center;
  padding: 30px 20px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
}

.footer-info a {
  color: var(--primary-green);
  text-decoration: none;
}

.footer-info a:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero .tagline {
    font-size: 1.2rem;
  }
  
  .cta-button {
    padding: 15px 35px;
    font-size: 1.1rem;
  }
  
  .features h2,
  .how-it-works h2,
  .about h2,
  .final-cta h2,
  .screenshots-section h2 {
    font-size: 2rem;
  }
  
  .screenshots {
    flex-direction: column;
    align-items: center;
  }
  
  .screenshots img {
    max-width: 100%;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .steps li {
    padding: 20px 20px 20px 70px;
  }
  
  .steps li::before {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 40px 15px;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .hero .tagline {
    font-size: 1rem;
  }
  
  .container {
    padding: 15px;
  }
}