body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  background-color: #fafafa;
  color: #333;
}

header {
  background: linear-gradient(135deg, #0077b6, #00b4d8);
  color: white;
  text-align: center;
  padding: 2.5rem 1rem;
}

.logo {
  width: 90px;
}

nav {
  background-color: #023e8a;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: inline-flex;
  gap: 1.5rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

.container {
  width: 85%;
  margin: 2rem auto;
}

h2 {
  color: #0077b6;
  border-bottom: 2px solid #0077b6;
  display: inline-block;
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  padding: 1rem;
  text-align: center;
  transition: transform 0.2s ease;
}

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

.card img {
  width: 100%;
  border-radius: 10px;
  height: 250px;
  object-fit: cover;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #0077b6;
  color: white;
}