* {
  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: #f8f9fa;
}

header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 3rem 1rem;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

main {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1rem;
}

main h2 {
  margin: 2rem 0 1rem;
  font-size: 2rem;
  color: #444;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  color: #667eea;
  margin-bottom: 0.5rem;
}

.cta {
  text-align: center;
  margin: 3rem 0;
  padding: 2rem;
  background: #e9ecef;
  border-radius: 12px;
}

.cta button {
  padding: 1rem 2rem;
  font-size: 1.2rem;
  background: #667eea;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
}

.cta button:hover {
  background: #5a67d8;
}

footer {
  text-align: center;
  padding: 2rem;
  color: #666;
  font-size: 0.9rem;
  border-top: 1px solid #ddd;
}