.hero {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
}

.subtitle {
  color: #00ff9c;
  margin-top: 10px;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
  justify-items: center;
}

footer {
  text-align: center;
  padding: 30px;
  background-color: #111;
  color: #888;
}

@media (max-width: 900px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .project-grid { grid-template-columns: 1fr; }
}