body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #101624;
  color: #e3e8f0;
  margin: 0;
  padding: 0;
}
header {
  padding: 24px 0 0 32px;
}
header a {
  color: #4ea8ff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: color 0.2s;
}
header a:hover {
  color: #90caf9;
}
.project-detail {
  max-width: 900px;
  margin: 32px auto;
  background: #18213a;
  border-radius: 18px;
  box-shadow: 0 4px 32px rgba(30,60,120,0.18);
  padding: 40px 32px 32px 32px;
}
.project-detail h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: #4ea8ff;
  letter-spacing: 1px;
  text-align: center;
}
.project-detail > img {
  display: block;
  margin: 0 auto 24px auto;
  max-width: 160px;
}
.project-detail section {
  margin-bottom: 32px;
}
.project-detail h2 {
  font-size: 1.4rem;
  color: #90caf9;
  margin-bottom: 10px;
  border-left: 4px solid #4ea8ff;
  padding-left: 10px;
  letter-spacing: 0.5px;
}
.project-detail ul {
  padding-left: 24px;
  margin: 0;
}
.project-detail li {
  margin-bottom: 7px;
  font-size: 1.08rem;
  color: #e3e8f0;
}
.project-detail img {
  border-radius: 10px;
  box-shadow: 0 2px 16px rgba(30,60,120,0.18);
}
.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.gallery img {
  max-width: 180px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(30,60,120,0.18);
  background: #232b45;
  padding: 6px;
}
.button.secondary {
  background: linear-gradient(90deg, #1976d2 0%, #4ea8ff 100%);
  color: #fff;
  padding: 10px 22px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s, box-shadow 0.2s;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(30,60,120,0.10);
  border: none;
}
.button.secondary:hover {
  background: linear-gradient(90deg, #1565c0 0%, #1976d2 100%);
  box-shadow: 0 4px 16px rgba(30,60,120,0.18);
}
@media (max-width: 600px) {
  .project-detail {
    padding: 18px 6px;
  }
  .gallery {
    flex-direction: column;
    gap: 8px;
  }
}