body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  line-height: 1.6;
  background: #f9f9f9;
  color: #333;
}

header {
  background: #0077b6;
  color: white;
  padding: 1rem 2rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}

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

section {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
  background: white;
  margin-bottom: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

footer {
  text-align: center;
  padding: 1rem;
  background: #333;
  color: white;
}

.profile-pic {
  width: 150px;
  border-radius: 50%;
  display: block;
  margin: 0 auto 1rem auto;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.15);
}