.header-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 10px;
}

.header-text {
  text-align: center;
  font-size: 0.9rem;
}

.groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.group-card {
  background: #fff;
  padding: 15px;
  border-left: 5px solid #004080;
  border-radius: 5px;
}

.group-card h3 {
  margin-top: 0;
}

@media (max-width: 700px) {
  .groups {
    grid-template-columns: 1fr;
  }
}

body {
  background: linear-gradient(to bottom, #f8f9fb, #eef2f7);
}

.container {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.container {
  max-width: 850px;
  margin: 40px auto;
}