body {
  margin: 0;
  font-family: 'Trebuchet MS', sans-serif;
  background-color: #f8f3e8;
  color: #2b2b2b;
}

header {
  text-align: center;
  padding: 1.5em;
  background-color: #e2d2b0;
  border-bottom: 4px solid #c2a36c;
}

.logo {
  height: 80px;
  border-radius: 50%;
}

nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #3b3b3b;
  font-weight: bold;
}

nav a.active {
  color: #4e8d52;
}

main {
  padding: 2em;
  text-align: center;
}

.btn {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 18px;
  background-color: #4e8d52;
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.2s;
}

.btn:hover {
  background-color: #357539;
}

.project-card {
  background: #fff9ef;
  border: 2px solid #d7c9a8;
  border-radius: 12px;
  margin: 1.5em auto;
  padding: 1.5em;
  max-width: 500px;
}

footer {
  text-align: center;
  padding: 1em;
  background-color: #e2d2b0;
  border-top: 4px solid #c2a36c;
  font-size: 0.9em;
}