:root {
  --primary-green: #2c5530;
  --secondary-green: #4a7c59;
  --light-green: #e8f5e8;
  --accent-green: #66bb6a;
  --dark-text: #1a1a1a;
  --medium-text: #4a4a4a;
  --light-text: #6a6a6a;
  --border-color: #ddd;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-hover: rgba(0, 0, 0, 0.2);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--dark-text);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 3rem 0;
}

.hero h1 {
  font-size: 3.5rem;
  color: var(--primary-green);
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 4px var(--shadow);
  animation: fadeInDown 0.8s ease-out;
}

.hero .tagline {
  font-size: 1.5rem;
  color: var(--medium-text);
  font-style: italic;
  animation: fadeInUp 0.8s ease-out;
}

/* Intro Section */
.intro {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px var(--shadow);
  margin-bottom: 2rem;
  text-align: center;
  font-size: 1.1rem;
  color: var(--medium-text);
}

/* Call to Action */
.cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px var(--shadow);
}

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

.btn-primary:hover {
  background: var(--secondary-green);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px var(--shadow-hover);
}

.btn-secondary {
  background: white;
  color: var(--primary-green);
  border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
  background: var(--light-green);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px var(--shadow-hover);
}

/* Features Section */
.features {
  margin: 4rem 0;
}

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

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

.feature {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px var(--shadow);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px var(--shadow-hover);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature h3 {
  color: var(--primary-green);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

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

/* Screenshot Section */
.screenshot {
  margin: 4rem 0;
  text-align: center;
}

.screenshot h2 {
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 2rem;
}

.app-screenshot {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 24px var(--shadow-hover);
  transition: transform 0.3s ease;
}

.app-screenshot:hover {
  transform: scale(1.02);
}

/* How It Works Section */
.how-it-works {
  margin: 4rem 0;
}

.how-it-works h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 2rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.step {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px var(--shadow);
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: bold;
  margin: 0 auto 1rem;
}

.step h3 {
  color: var(--primary-green);
  margin-bottom: 0.5rem;
}

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

/* Tech Stack Section */
.tech-stack {
  margin: 4rem 0;
  text-align: center;
}

.tech-stack h2 {
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 2rem;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.tech-badge {
  background: var(--primary-green);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  box-shadow: 0 2px 4px var(--shadow);
}

/* AI-Powered Section */
.ai-powered {
  background: linear-gradient(135deg, var(--light-green) 0%, #d4e7d4 100%);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px var(--shadow);
  margin: 4rem 0;
  text-align: center;
}

.ai-powered h2 {
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 1rem;
}

.ai-powered p {
  font-size: 1.1rem;
  color: var(--medium-text);
  max-width: 800px;
  margin: 1rem auto;
}

.ai-powered .subtitle {
  font-style: italic;
  color: var(--light-text);
}

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

.ai-powered a:hover {
  text-decoration: underline;
}

/* Get Started Section */
.get-started {
  margin: 4rem 0;
  text-align: center;
  padding: 3rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 6px var(--shadow);
}

.get-started h2 {
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 1rem;
}

.get-started p {
  font-size: 1.2rem;
  color: var(--medium-text);
  margin-bottom: 2rem;
}

/* Footer */
footer {
  margin-top: 4rem;
  padding: 2rem 0;
  text-align: center;
  border-top: 2px solid var(--border-color);
}

.footer-content p {
  color: var(--medium-text);
  margin-bottom: 1rem;
}

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

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

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .tagline {
    font-size: 1.2rem;
  }

  .features h2,
  .how-it-works h2,
  .tech-stack h2,
  .ai-powered h2,
  .get-started h2,
  .screenshot h2 {
    font-size: 2rem;
  }

  .feature-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .cta {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 300px;
  }

  .container {
    padding: 1rem;
  }
}

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

  .hero .tagline {
    font-size: 1rem;
  }

  .intro {
    font-size: 1rem;
  }

  .features h2,
  .how-it-works h2,
  .tech-stack h2,
  .ai-powered h2,
  .get-started h2,
  .screenshot h2 {
    font-size: 1.5rem;
  }
}