* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  :root {
    --primary-color: #ffc857;
    --secondary-color: #e9724c;
    --accent-color: #c5283d;
    --text-primary: #eee;
    --text-secondary: #aaa;
    --bg-primary: #181820;
    --bg-secondary: #1e1e28;
    --bg-card: #252530;
    --border-color: #333;
    --shadow: rgba(0, 0, 0, 0.3);
  }

  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* Header */
  .header {
    background: var(--bg-secondary);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
  }

  .logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
  }

  .logo h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
  }

  .back-btn {
    background: var(--primary-color);
    color: var(--bg-primary);
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
  }

  .back-btn:hover {
    background: #e6b34f;
    transform: translateY(-2px);
  }

  /* Hero Section */
  .hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
  }

  .hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
  }

  .hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
  }

  .project-tags {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 2rem;
  }

  .project-tag {
    background: var(--bg-card);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--primary-color);
  }

  .project-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  .btn {
    background: var(--primary-color);
    color: var(--bg-primary);
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
  }

  .btn:hover {
    background: #e6b34f;
    transform: translateY(-2px);
  }

  .btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
  }

  .btn-outline:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
  }

  /* Main Content */
  .main-content {
    padding: 4rem 0;
  }

  .section {
    margin-bottom: 4rem;
  }

  .section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-align: center;
  }

  /* Project Gallery */
  .project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 3rem;
  }

  .gallery-item {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  }

  .gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(255, 200, 87, 0.15);
  }

  .gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .gallery-item:hover img {
    transform: scale(1.05);
  }

  .gallery-caption {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-primary);
    font-weight: 600;
    background: linear-gradient(135deg, var(--bg-card), rgba(255, 200, 87, 0.05));
  }

  /* Features Grid */
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-bottom: 3rem;
  }

  .feature-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(255, 200, 87, 0.03));
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 200, 87, 0.1);
    position: relative;
    overflow: hidden;
  }

  .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 200, 87, 0.1), transparent);
    transition: left 0.5s ease;
  }

  .feature-card:hover::before {
    left: 100%;
  }

  .feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(255, 200, 87, 0.2);
  }

  .feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--bg-primary);
    font-size: 2rem;
    transition: transform 0.3s ease;
  }

  .feature-card:hover .feature-icon {
    transform: rotateY(180deg);
  }

  .feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
  }

  .feature-card p {
    line-height: 1.7;
    color: var(--text-secondary);
  }

  /* Technical Details */
  .tech-details {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
  }

  .tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 2rem;
  }

  .tech-category h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
  }

  .tech-list {
    list-style: none;
  }

  .tech-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
  }

  .tech-list li:last-child {
    border-bottom: none;
  }

  .tech-list i {
    color: var(--primary-color);
    margin-right: 8px;
  }

  /* Process Timeline */
  .timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
  }

  .timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
  }

  .timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 50%;
  }

  .timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 30px;
    text-align: right;
  }

  .timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 30px;
  }

  .timeline-content {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    position: relative;
  }

  .timeline-item::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
  }

  .timeline-item:nth-child(odd)::before {
    right: -8px;
  }

  .timeline-item:nth-child(even)::before {
    left: -8px;
  }

  .timeline-content h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
  }

  /* Footer */
  .footer {
    background: var(--bg-secondary);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
  }

  /* Responsive */
  @media (max-width: 768px) {
    .hero h1 {
      font-size: 2rem;
    }

    .project-links {
      flex-direction: column;
      align-items: center;
    }

    .timeline::before {
      left: 20px;
    }

    .timeline-item {
      width: 100%;
      left: 0 !important;
      padding-left: 50px !important;
      padding-right: 0 !important;
      text-align: left !important;
    }

    .timeline-item::before {
      left: 12px !important;
    }

    .header-content {
      flex-direction: column;
      gap: 1rem;
    }
  }