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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #f8fafc;
  color: #1e293b;
  line-height: 1.6;
}

.landing-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.landing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: white;
  border-bottom: 1px solid #e2e8f0;
}

.logo h1 {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-nav {
  display: flex;
  gap: 12px;
}

/* Buttons */
.btn-primary, .btn-secondary {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: white;
  color: #667eea;
  border: 2px solid #667eea;
}

.btn-secondary:hover {
  background: #f1f5f9;
}

.btn-primary-large, .btn-secondary-large {
  padding: 16px 32px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
}

.btn-primary-large {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

.btn-secondary-large {
  background: white;
  color: #667eea;
  border: 2px solid #667eea;
}

.btn-secondary-large:hover {
  background: #f1f5f9;
}

/* Main content */
.landing-main {
  flex: 1;
  padding: 40px 20px;
}

/* Hero section */
.hero {
  max-width: 900px;
  margin: 60px auto;
  text-align: center;
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 24px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 20px;
  color: #64748b;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Features section */
.features {
  max-width: 1200px;
  margin: 80px auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  padding: 0 20px;
}

.feature-card {
  background: white;
  padding: 32px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  transition: all 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
  border-color: #667eea;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: #64748b;
  line-height: 1.6;
}

/* CTA section */
.cta-section {
  max-width: 800px;
  margin: 80px auto;
  text-align: center;
  padding: 60px 40px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 16px;
  color: white;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.9;
}

.cta-section .btn-primary-large {
  background: white;
  color: #667eea;
}

.cta-section .btn-primary-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

/* Footer */
.landing-footer {
  background: white;
  border-top: 1px solid #e2e8f0;
  padding: 32px 40px;
  text-align: center;
  color: #64748b;
  font-size: 14px;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .landing-header {
    padding: 16px 20px;
  }

  .hero {
    margin: 40px auto;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .features {
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 40px auto;
  }

  .cta-section {
    padding: 40px 24px;
    margin: 40px 20px;
  }

  .cta-section h2 {
    font-size: 28px;
  }

  .cta-section p {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .btn-primary-large, .btn-secondary-large {
    padding: 14px 24px;
    font-size: 15px;
  }

  .landing-nav {
    flex-direction: column;
    gap: 8px;
  }

  .btn-primary, .btn-secondary {
    padding: 8px 16px;
    font-size: 13px;
  }
}