* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  min-height: 100vh;
  margin: 0;
  line-height: 1.6;
  color: #2d3748;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background-attachment: fixed;
}

header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: #4a5568;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: #667eea;
  border-bottom-color: #667eea;
}

.brand {
  font-size: 1.8rem;
  font-weight: 700;
  color: #4a5568;
  margin: 0;
}

.authorized {
  background: linear-gradient(135deg, #48bb78, #38a169);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  margin: 0;
}

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

.hero {
  padding: 4rem 0;
  text-align: center;
  color: white;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero .subtitle {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature .icon {
  font-size: 1.5rem;
}

.feature span:last-child {
  font-weight: 500;
}

.products {
  padding: 4rem 0;
  background: rgba(255, 255, 255, 0.95);
  color: #2d3748;
}

.products h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: #4a5568;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.product-card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.product-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 2rem;
  text-align: center;
}

.product-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.product-tagline {
  font-size: 1rem;
  opacity: 0.9;
  margin: 0;
}

.product-content {
  padding: 2rem;
}

.primary-benefit {
  font-size: 1.1rem;
  font-weight: 500;
  color: #4a5568;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.key-ingredients, .benefits, .dosage {
  margin-bottom: 1.5rem;
}

.key-ingredients h4, .benefits h4, .dosage h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 0.75rem;
}

.key-ingredients ul, .benefits ul {
  list-style: none;
  padding: 0;
}

.key-ingredients li, .benefits li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #e2e8f0;
  font-size: 0.95rem;
}

.key-ingredients li:last-child, .benefits li:last-child {
  border-bottom: none;
}

.dosage p {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.origin {
  font-style: italic;
  color: #718096;
  font-size: 0.875rem !important;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form .form-group {
  display: flex;
  flex-direction: column;
}

.contact-form label {
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #4a5568;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
  font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #667eea;
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.contact-form button {
  align-self: flex-end;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.2s ease;
}

.contact-form button:hover {
  transform: translateY(-2px);
}

.footer {
  background: #2d3748;
  color: white;
  padding: 3rem 0 1rem;
  margin-top: 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: white;
}

.footer-brand p {
  color: #a0aec0;
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #4a5568;
  padding-top: 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: #a0aec0;
}

.disclaimer {
  margin-top: 0.5rem;
  font-style: italic;
  color: #718096;
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }
  
  .navbar {
    gap: 1rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero .subtitle {
    font-size: 1.1rem;
  }
  
  .hero-features {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
}