body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #121212;
    color: #f0f0f0;
  }
  
  nav {
    background-color: #000;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo {
    font-weight: bold;
    font-size: 1.4rem;
    color: #00ffe0;
  }
  
  .nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
  }
  
  .nav-links li a {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: color 0.3s;
  }
  
  .nav-links li a:hover {
    color: #00ffe0;
  }
  
  .project-detail {
    max-width: 1000px;
    margin: auto;
    padding: 2rem;
    text-align: center;
  }
  
  .section-title {
    font-size: 2rem;
    color: #00ffe0;
    margin-bottom: 1rem;
  }
  
  .project-desc {
    color: #ccc;
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 2rem;
  }
  
  .project-detail ul {
    text-align: left;
    line-height: 1.6;
    margin: 1.5rem auto;
    max-width: 700px;
  }
  
  .project-detail ul li {
    margin-bottom: 0.8rem;
  }
  
  .project-detail h2 {
    color: #00ffe0;
    margin-top: 3rem;
  }
  
  .project-images {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
  }
  
  .project-images img {
    max-width: 280px;
    border-radius: 10px;
    transition: transform 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.1);
    cursor: pointer;
  }
  
  .project-images img:hover {
    transform: scale(1.05);
  }
  
  .btn-container {
    margin-top: 2rem;
  }
  
  .btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #00ffe0;
    color: #121212;
    font-weight: bold;
    border-radius: 8px;
    text-decoration: none;
    transition: background-color 0.3s ease;
  }
  
  .btn:hover {
    background-color: #00ccb8;
  }
  
  footer {
    margin-top: 3rem;
    text-align: center;
    padding: 1.5rem;
    background-color: #000;
    color: #888;
    font-size: 0.9rem;
  }
/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 999;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
  }
  
  .lightbox-content {
    margin: auto;
    display: block;
    width: 90%;
    max-width: 800px;
    border-radius: 10px;
    box-shadow: 0 0 20px #00ffe0;
  }
  
  .close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
  }
  
  .close:hover {
    color: #00ffe0;
  }
  .project-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    font-size: 0.95rem;
  }
  .project-table th,
  .project-table td {
    border: 1px solid #00ffe0;
    padding: 10px;
    text-align: left;
  }
  .project-table th {
    background-color: #1a1a1a;
    color: #00ffe0;
  }
  pre {
    background-color: #111;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    font-family: monospace;
    color: #00ffe0;
  }
  .summary-box {
    background-color: #1a1a1a;
    color: #00ffe0;
    border-left: 5px solid #00ffe0;
    padding: 1rem;
    margin-top: 2rem;
  }