body {
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  border-bottom: 4px solid #00549F;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.rwth-logo {
  height: 40px;
}

header h1 {
  color: #00549F;
  margin: 0;
}

nav {
  background: #00549F;
}

.nav-inner {
  padding: 0.6rem 0;
}

nav a {
  color: white;
  margin-right: 1.5rem;
  text-decoration: none;
}

main.container {
  margin-top: 2rem;
}

footer {
  background: #f2f2f2;
  margin-top: 3rem;
}

.footer-content {
  padding: 2rem 0;
}

.profile-pic {
  max-width: 150px;
  display: block;
  margin-bottom: 1rem;
}