:root {
  --primary-color: #2563eb;
  --primary-hover: #1e40af;
  --card-bg: #fff;
  --card-shadow: 0 4px 24px rgba(0,0,0,0.08);
  --border-radius: 1.25rem;
  --text-color: #222;
  --accent-color: #22c55e;
}

body {
  background: #f3f4f6;
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  color: var(--text-color);
}

main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pricing-card {
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  border-radius: var(--border-radius);
  padding: 2rem 1.5rem;
  max-width: 350px;
  width: 100%;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 32px rgba(37,99,235,0.15);
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2rem;
  color: var(--accent-color);
  margin: 0.5rem 0 1.5rem 0;
}

.pricing-duration {
  font-size: 1rem;
  color: #888;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}

.pricing-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #f1f1f1;
  font-size: 1rem;
}

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

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary {
  background: var(--primary-color);
  color: #fff;
}

.btn-primary:hover, .btn-primary:focus {
  background: var(--primary-hover);
  transform: scale(1.05);
}

@media (max-width: 500px) {
  .pricing-card {
    padding: 1.25rem 0.5rem;
    max-width: 95vw;
  }
  .pricing-title {
    font-size: 1.2rem;
  }
  .pricing-price {
    font-size: 1.3rem;
  }
  .btn {
    width: 100%;
    padding: 0.75rem 0;
  }
}