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

.projects-hero {
    text-align: center;
    padding: 60px 20px;
}

.projects-hero h1 {
    color: green;
}

.projects-container {
    padding: 40px 20px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.project-card {
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 10px;
}

.duration {
    color: green;
    display: block;
    margin-top: 10px;
}

.impact {
    padding: 40px 20px;
    text-align: center;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.impact-card {
    background: #f5f5f5;
    padding: 20px;
    border-radius: 10px;
}

.collaboration {
    padding: 40px 20px;
}

.collaboration ul {
    list-style: none;
    padding: 0;
}

.collaboration li {
    margin: 10px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .projects-hero h1 {
        font-size: 24px;
    }
}

.nav-menu {
  display: flex;
  gap: 20px;
}

.hamburger {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    flex-direction: column;
  }

  .nav-menu.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }
}