* {
  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: #333;
  background: #fff;
}

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

/* Header */
.header {
  background: #fff;
  border-bottom: 1px solid #eee;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #10b981;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: #666;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #10b981;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  padding: 6rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* CTA Button */
.cta-btn,
.cta-btn-large {
  background: #10b981;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
  text-decoration: none;
  display: inline-block;
}

.cta-btn:hover,
.cta-btn-large:hover {
  background: #059669;
}

.cta-btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  margin-top: 1rem;
}

/* Features Section */
.features {
  padding: 4rem 0;
  background: #f9fafb;
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #1f2937;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
  color: #10b981;
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.feature-card p {
  color: #666;
  font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
  padding: 4rem 0;
  background: white;
}

.pricing h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #1f2937;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: #f9fafb;
  padding: 2rem;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  text-align: center;
}

.pricing-card.featured {
  background: white;
  border: 2px solid #10b981;
  transform: scale(1.05);
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #1f2937;
}

.price {
  font-size: 2.5rem;
  color: #10b981;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.price span {
  font-size: 0.6em;
  color: #666;
}

.pricing-card ul {
  list-style: none;
  margin: 1.5rem 0;
  text-align: left;
}

.pricing-card li {
  padding: 0.5rem 0;
  color: #666;
  border-bottom: 1px solid #e5e7eb;
}

.pricing-card li:last-child {
  border-bottom: none;
}

.pricing-btn {
  background: #10b981;
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-top: 1rem;
  transition: background 0.3s;
}

.pricing-btn:hover {
  background: #059669;
}

/* Footer */
.footer {
  background: #1f2937;
  color: white;
  padding: 2rem 0;
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

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

  .features h2,
  .pricing h2 {
    font-size: 1.75rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .pricing-card.featured {
    transform: scale(1);
  }
}