body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  margin: 0;
  color: #333;
  background-color: #fff9e6; /* Fundo amarelo bem claro */
}

header {
  background: #f1c40f; /* Amarelo principal */
  color: #2c3e50;
  padding: 1rem 0;
  text-align: center;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 0;
}

nav a {
  color: #2c3e50;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
  color: #ffffff;
}

/* Grid */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  padding: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.card-projeto {
  background: #fffdf2;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  border-top: 5px solid #f1c40f; /* Destaque amarelo */
}

.card-projeto h3 {
  margin-top: 0;
  color: #b7950b; /* Amarelo mais escuro */
}

.card-projeto a {
  display: inline-block;
  margin-top: 10px;
  color: #f1c40f;
  font-weight: bold;
  text-decoration: none;
}

.card-projeto a:hover {
  text-decoration: underline;
  color: #d4ac0d;
}

footer {
  text-align: center;
  padding: 20px;
  background: #f1c40f;
  color: #2c3e50;
  margin-top: 40px;
}