body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f0f0f;
  color: white;
}

header {
  background: linear-gradient(90deg, #00ffcc, #0077ff);
  padding: 30px;
  text-align: center;
  color: black;
}

main {
  max-width: 900px;
  margin: 30px auto;
  padding: 0 20px;
}

.card {
  background: #1a1a1a;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

h1, h2 {
  margin-top: 0;
}

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

.project {
  border: 2px solid #00ff00;
  padding: 20px;
  text-align: center;
  color: #00ff00;
  text-decoration: none;
}

.project:hover {
  background: #00ff00;
  color: black;
}

.project-box {
  border: 2px solid #00ff00;
  padding: 25px;
  max-width: 600px;
  margin: auto;
}

.desc {
  margin: 15px 0;
  line-height: 1.5;
}

.features {
  list-style: none;
  padding: 0;
}

.features li {
  margin: 5px 0;
}

.actions {
  margin-top: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 15px;
  border: 1px solid #00ff00;
  color: #00ff00;
  text-decoration: none;
  margin-right: 10px;
}

.btn:hover {
  background: #00ff00;
  color: black;
}

.btn.secondary {
  opacity: 0.7;
}