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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

a {
  color: #3498db;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button {
  cursor: pointer;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #2c3e50;
}

.nav-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-link {
  color: #3498db;
  text-decoration: none;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.nav-link:hover {
  background-color: rgba(52, 152, 219, 0.1);
}

.login-btn, .signup-btn, .logout-btn {
  padding: 8px 16px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
  font-weight: 500;
}

.login-btn {
  background-color: transparent;
  border: 1px solid #3498db;
  color: #3498db;
}

.login-btn:hover {
  background-color: rgba(52, 152, 219, 0.1);
}

.signup-btn, .logout-btn {
  background-color: #3498db;
  border: 1px solid #3498db;
  color: white;
}

.signup-btn:hover, .logout-btn:hover {
  background-color: #2980b9;
}

.logout-btn {
  background-color: #e74c3c;
  border-color: #e74c3c;
}

.logout-btn:hover {
  background-color: #c0392b;
}

.user-greeting {
  margin-right: 10px;
  color: #333;
  font-weight: 500;
}

/* Main content */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Hero section with split card */
.hero-section {
  margin-bottom: 3rem;
}

.split-card {
  display: flex;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card-image {
  flex: 1;
  min-height: 400px;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-content {
  flex: 1;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-content h2 {
  margin-bottom: 1rem;
  color: #2c3e50;
  font-size: 2rem;
}

.card-content p {
  margin-bottom: 1rem;
  color: #555;
}

.cta-button {
  align-self: flex-start;
  background-color: #3498db;
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 4px;
  font-size: 1rem;
  margin-top: 1rem;
  transition: background-color 0.3s;
}

.cta-button:hover {
  background-color: #2980b9;
}

/* Recommendations section */
.recommendations-section {
  margin-top: 2rem;
}

.recommendation {
  margin: 1.5rem 0;
  padding: 1.5rem;
  border-radius: 8px;
  background-color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border-left: 4px solid #3498db;
}

.recommendation h3 {
  margin-bottom: 0.5rem;
  color: #3498db;
}

.loading {
  text-align: center;
  font-style: italic;
  color: #7f8c8d;
  padding: 2rem;
}

/* Footer */
footer {
  background-color: #2c3e50;
  color: #ecf0f1;
  padding: 3rem 5% 1rem;
  margin-top: 3rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-section {
  flex: 1;
  min-width: 250px;
  margin-bottom: 2rem;
  padding-right: 2rem;
}

.footer-section h3 {
  color: #3498db;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #ecf0f1;
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid #34495e;
  font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
  .split-card {
    flex-direction: column;
  }
  
  .card-image, .card-content {
    flex: none;
  }
  
  .card-image {
    min-height: 250px;
  }
  
  .footer-section {
    flex: 100%;
    padding-right: 0;
  }
}