:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --success-color: #16a34a;
  --success-hover: #15803d;
  --dark-color: #1f2937;
  --light-bg: #f9fafb;
  --white: #ffffff;
  --text-dark: #111827;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  padding-top: 70px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  transition: all 0.3s ease;
}

.navbar {
  padding: 1rem 0;
}

.navbar-brand {
  font-size: 1.5rem;
  color: var(--text-dark);
}

.navbar-brand i {
  margin-right: 0.5rem;
}

.nav-link {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--primary-color);
}

.btn-success {
  background-color: var(--success-color);
  border-color: var(--success-color);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
}

.btn-success:hover {
  background-color: var(--success-hover);
  border-color: var(--success-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}

.hero-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.discount-badge {
  display: inline-block;
  background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  margin-bottom: 1.5rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.rating {
  font-size: 1.25rem;
}

.rating i {
  color: #fbbf24;
}

.hero-image img {
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
}

.hero-image img:hover {
  transform: scale(1.02);
}

.reviews-section {
  background-color: var(--white);
}

.review-card {
  border: 1px solid var(--border-color);
  border-radius: 15px;
  transition: all 0.3s ease;
}

.review-card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.review-avatar {
  width: 60px;
  height: 60px;
  object-fit: cover;
}

.rating-stars i {
  color: #fbbf24;
  font-size: 0.9rem;
}

.benefits-section {
  background-color: var(--light-bg);
}

.benefits-list {
  list-style: none;
  padding: 0;
}

.benefits-list li {
  padding: 0.75rem 0;
  font-size: 1.1rem;
}

.benefits-list i {
  margin-right: 1rem;
  font-size: 1.25rem;
}

.features-section {
  background-color: var(--white);
}

.feature-card {
  background-color: var(--white);
  border-radius: 15px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  height: 100%;
}

.feature-card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

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

.faq-section {
  background-color: var(--light-bg);
}

.accordion-item {
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
  border-radius: 10px;
  overflow: hidden;
}

.accordion-button {
  font-weight: 600;
  font-size: 1.1rem;
  background-color: var(--white);
}

.accordion-button:not(.collapsed) {
  background-color: var(--primary-color);
  color: var(--white);
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--border-color);
}

.order-section {
  background: linear-gradient(135deg, #f0f9ff 0%, #dbeafe 100%);
}

.pricing-card {
  border-radius: 20px;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
  transform: translateY(-10px);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  border-width: 3px;
}

.popular-badge {
  position: absolute;
  top: 20px;
  right: -35px;
  background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
  color: white;
  padding: 5px 40px;
  font-weight: 700;
  font-size: 0.75rem;
  transform: rotate(45deg);
  letter-spacing: 1px;
}

.price-wrapper {
  padding: 1rem 0;
}

.original-price {
  font-size: 1.25rem;
  text-decoration: line-through;
  color: var(--text-muted);
  display: block;
}

.current-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--success-color);
  line-height: 1;
}

.discount-badge-small {
  display: inline-block;
  background-color: #dc2626;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-top: 0.5rem;
}

.pricing-card ul li {
  padding: 0.5rem 0;
  font-size: 1rem;
}

.pricing-card ul li i {
  margin-right: 0.5rem;
}

.footer {
  background-color: var(--dark-color);
  color: var(--white);
}

.footer h5 {
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.3s ease;
}

.footer a:hover {
  color: var(--white);
}

@media (max-width: 768px) {
  .hero-section {
    padding: 3rem 0;
  }

  h1.display-4 {
    font-size: 2rem;
  }

  .current-price {
    font-size: 2rem;
  }

  .pricing-card {
    margin-bottom: 1.5rem;
  }
}

.btn-outline-primary {
  border-color: var(--primary-color);
  color: var(--primary-color);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

section {
  scroll-margin-top: 70px;
}