:root {
  --primary-color: #1a73e8;
  --text-color: #202124;
  --bg-color: #ffffff;
  --border-color: #dadce0;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  margin: 0;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

header {
  text-align: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

h1 {
  font-size: 2.5rem;
  margin: 0;
  color: var(--primary-color);
}

h2 {
  font-size: 1.8rem;
  margin: 1.5rem 0;
  color: var(--primary-color);
}

.country-section {
  margin-bottom: 2rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
}

ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

li {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: all 0.2s ease;
}

li:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

a {
  text-decoration: none;
  color: var(--text-color);
  display: block;
}

a:hover {
  color: var(--primary-color);
}

footer {
  text-align: center;
  padding: 2rem 0;
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: #5f6368;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
}