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

    body {
      background: linear-gradient(135deg, #0a0a0a 0%, #2a2a2a 50%, #0a0a0a 100%);
      color: #ffffff;
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      line-height: 1.6;
      min-height: 100vh;
    }

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

    .nav {
      display: flex;
      justify-content: flex-start; 
      align-items: center;
      width: 100%; 
    }

    .header {
      top: 0;
      width: 100%;
      z-index: 1000;
      padding: 1rem 0;
      display: flex;         
      justify-content: center; 
      align-items: center; 
    }

    .back-link {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      color: #65F4FF;
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      margin-bottom: 0;
      padding: 0.75rem 1.5rem;
      border-radius: 50px;
      background: rgba(101, 244, 255, 0.1);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(101, 244, 255, 0.2);
      transition: all 0.3s ease;
    }

    a {
      color: #a1a1aa;
    }

    a:hover {
      color: #65F4FF; 
    }

    .back-link:hover {
      background: rgba(101, 244, 255, 0.2);
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(101, 244, 255, 0.3);
    }


    .section-title {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 1rem;
      background: linear-gradient(135deg, #00A3B0, #FFFFFF);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      text-align: left;
      padding-top: 10px;
    }

    .subtitle {
      font-size: 1.1rem;
      color: #a1a1aa;
      text-align: left;
      margin-bottom: 2rem;
    }

    .image-line-wrapper {
      background-color: rgba(255, 255, 255, 0.6);    
      border-radius: 12px;           
      padding: 1rem;                 
      overflow-x: auto;             
      margin: 1rem 0;                
    }

    .image-line {
      display: flex;
      flex-wrap: wrap;      
      gap: 1rem;             
      justify-content: center; 
      align-items: flex-end;        
    }

    .image-container {
      display: flex;
      flex-direction: column;       
      align-items: center;           
      max-width: 350px;            
    }

    .image-container img {
      max-width: 100%;            
      max-height: 100%;            
      object-fit: contain;
      padding-left: 0.5rem;  
      padding-right: 0.5rem;         
    }

    .image-caption {
      color: #404040;                  
      font-style: italic;
      font-size: 0.75rem;
      margin-top: 0.25rem;          
      text-align: center;
    }

    .image-caption.desktop-note {
    color: #a1a1aa;
    text-align: left;
    }

    .tech-stack {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-bottom: 2rem;
    }

    .tech-tag {
      background: rgba(101, 244, 255, 0.1);
      color: #65F4FF;
      padding: 0.4rem 0.8rem;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
    }

    .project-actions {
      display: flex;
      gap: 1rem;
      margin-top: auto;
    }

    .btn {
      padding: 0.75rem 1.5rem;
      border-radius: 12px;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.9rem;
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }

    @media (max-width: 768px) {
      .projects-grid {
        grid-template-columns: 1fr;
      }
      
      .section-title {
        font-size: 2rem;
      }
      
      .container {
        padding: 1rem;
      }
    }

    .floating-elements {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: -1;
    }

    .floating-element {
      position: absolute;
      border-radius: 50%;
      background: rgba(101, 244, 255, 0.1);
      animation: float 6s ease-in-out infinite;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-20px); }
    }

    /* Toggle Styles */
    .project-toggles {
      margin-top: 1.5rem;
    }

    .toggle-section {
      margin-bottom: 1rem;
    }

    .toggle-btn {
      width: 100%;
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1rem 1.5rem;
      background: rgba(101, 244, 255, 0.1);
      border: 1px solid rgba(101, 244, 255, 0.2);
      border-radius: 12px;
      color: #ffffff;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .toggle-btn:hover {
      background: rgba(101, 244, 255, 0.2);
      transform: translateY(-2px);
      box-shadow: 0 4px 15px rgba(101, 244, 255, 0.2);
    }

    .toggle-icon img {
        width: 24px;
        height: 24px;
        object-fit: contain;
    }

    .toggle-text {
      flex: 1;
      text-align: left;
    }

    .toggle-arrow img {
      width: 24px;
      height: 24px;
      transition: transform 0.3s ease;
    }

    .toggle-btn.active .toggle-arrow {
      transform: rotate(180deg);
    }

    .toggle-content {
      max-height: 0;
      overflow: hidden;
      padding: 0 1.5rem;
      background: rgba(255, 255, 255, 0.02);
      border-left: 1px solid rgba(101, 244, 255, 0.2);
      border-right: 1px solid rgba(101, 244, 255, 0.2);
      border-bottom: 1px solid rgba(101, 244, 255, 0.2);
      border-radius: 0 0 12px 12px;
      transition: all 0.4s ease;
      margin-top: -1px;
    }

    .toggle-content.active {
      max-height: 10000px;
      padding: 1.5rem;
    }

    .toggle-content p {
      color: #d4d4d8;
      line-height: 1.7;
      margin-bottom: 1rem;
    }

    .github-link {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      color: #65F4FF;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.9rem;
      padding: 0.5rem 1rem;
      margin: 0.5rem 0rem; 
      margin-right: 0.5rem;
      background: rgba(101, 244, 255, 0.1);
      border-radius: 8px;
      border: 1px solid rgba(101, 244, 255, 0.2);
      transition: all 0.3s ease;
    }

    .github-link:hover {
      background: rgba(101, 244, 255, 0.2);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(101, 244, 255, 0.3);
    }

    .github-icon img {
        width: 30px;
        height: 30px;
        object-fit: contain;
    }