body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f0f4fa;
  color: #003366;
}


header {
  background-color: #005f99;
  color: white;
  padding: 1.5em;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}


nav a {
  margin: 0 15px;
  color: #e0f7ff;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #ffffff;
  text-decoration: none;
}


main {
  padding: 2em;
}


.intro {
  text-align: center;
  max-width: 600px;
  margin: auto;
}


.grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5em;
  justify-content: center;
  margin-top: 2em;
}


.card {
  background-color: #ffffff;
  border: 2px solid #d0e8ff;
  border-radius: 10px;
  padding: 1.5em;
  width: 260px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 95, 153, 0.1);
  transition: transform 0.2s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: #3399ff;
}


.card img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid #3399ff;
  margin-bottom: 1em;
}


.card a {
  display: block;
  margin-top: 0.5em;
  color: #005f99;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.card a:hover {
  color: #3399ff;
  text-decoration: none;
}


footer {
  background-color: #003366;
  color: #e0f0ff;
  text-align: center;
  padding: 1em;
  margin-top: 3em;
}