body {
  font-family: 'Segoe UI', sans-serif;
  background: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?auto=format&fit=crop&w=1470&q=80') no-repeat center center fixed;
  background-size: cover;
  color: #fff;
}

header {
  background-color: rgba(0, 0, 0, 0.6);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

header a {
  color: #fff;
  margin: 0 15px;
  text-decoration: none;
}

section {
  padding: 60px 0;
  background-color: rgba(0,0,0,0.5);
}

.profile-pic {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #fff;
}

.section-box {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
}

h2, h3 {
  color: #ffd700;
}

.portfolio-item {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
}
.repo-item {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 20px;
  border-radius: 10px;
}

.subfolders {
  list-style-type: none;
  padding-left: 20px;
}

.subfolders > li {
  margin-bottom: 10px;
  cursor: pointer;
}

.subfolders li ul {
  padding-left: 20px;
  margin-top: 5px;
  list-style-type: circle;
  display: none;
}


.subfolders > li:hover {
  color: #ffd700;
}

.repo-item {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 20px;
  border-radius: 10px;
}

.subfolders {
  list-style-type: none;
  padding-left: 20px;
}

.subfolders > li {
  margin-bottom: 10px;
  cursor: pointer;
  transition: color 0.3s;
}

.subfolders li ul.files {
  padding-left: 20px;
  margin-top: 5px;
  list-style-type: circle;
  display: none;
}

.subfolders > li:hover {
  color: #ffd700;
}

.files li a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
}

.files li a:hover {
  color: #ffd700;
}

.portfolio-card {
  background-color: rgba(255,255,255,0.2);
  padding: 50px 20px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.3s, background-color 0.3s;
}

.portfolio-card:hover {
  transform: translateY(-10px);
  background-color: rgba(255,255,255,0.3);
}

.portfolio-card h4 {
  color: #ffd700;
  margin-bottom: 10px;
}

.portfolio-card p {
  color: #fff;
}