/* Base Styles */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f5f7fa;
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
header {
  background-color: #1f2937;
  color: white;
  padding: 1rem 2rem;
  text-align: center;
}

/* Main Content */
main {
  flex: 1;
  padding: 2rem;
  text-align: center;
}

/* Footer */
footer {
  background-color: #e5e7eb;
  color: #333;
  font-size: 0.9rem;
  padding: 1rem 2rem;
  text-align: center;
}

/* Logo */
.logo {
  display: block;
  max-width: 200px;
  height: auto;
  margin: 1rem auto;
}