body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #111;
  color: #f5f5f5;
  line-height: 1.6;
}

header {
  background: #1b1b1b;
  padding: 2rem;
  text-align: center;
  border-bottom: 1px solid #333;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

header p {
  margin: 0.5rem 0 1rem;
  color: #bbb;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 1rem;
  font-weight: bold;
}

nav a:hover {
  color: #66ccff;
}

main {
  max-width: 1000px;
  margin: auto;
  padding: 2rem;
}

.intro {
  margin-bottom: 2rem;
}

.project {
  margin-bottom: 1.5rem;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 10px;
  padding: 1rem;
}

summary {
  font-size: 1.3rem;
  font-weight: bold;
  cursor: pointer;
  padding: 0.5rem 0;
}

.project-content {
  margin-top: 1rem;
}

.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.gallery img {
  width: 300px;
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid #444;
}

footer {
  text-align: center;
  padding: 1rem;
  border-top: 1px solid #333;
  color: #999;
}