:root {
      --bg-body: #171717;
      --bg-card: #1e1e1e;
      --bg-card-hover: #252525;
      --bg-accent: #121212;

      --text-primary: #ededed;
      --text-secondary: #b0b0b0;
      --text-muted: #7c5e8a;

      --border-color: #333;
      --border-highlight: #444;

      --primary: #d3a0eb;
      --primary-glow: rgba(211, 160, 235, 0.25);
      --primary-hover: #b589c8;
      
      --success: #10b981;
      --warning: #f59e0b;
      --danger: #ef4444;

      --font-main: 'Inter', system-ui, -apple-system, sans-serif;
      --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-main);
      line-height: 1.75;
      color: var(--text-primary);
      background-color: var(--bg-body);
      background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
      background-size: 50px 50px;
      overflow-x: hidden;
      font-size: 18px;
    }

    ::-webkit-scrollbar { width: 8px; }
    ::-webkit-scrollbar-track { background: var(--bg-body); }
    ::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
    ::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }


    .reveal {
      position: relative;
      transform: translateY(30px);
      opacity: 0;
      transition: all 0.6s cubic-bezier(0.5, 0, 0, 1);
    }
    .reveal.active {
      transform: translateY(0);
      opacity: 1;
    }


    .header {
      position: relative;
      background: radial-gradient(circle at center, #1e1e1e 0%, #171717 100%);
      color: white;
      padding: 80px 0 100px;
      text-align: center;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .header::before {
      content: '';
      position: absolute;
      top: -50%;
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      height: 100%;
      background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
      opacity: 0.5;
      pointer-events: none;
      z-index: 0;
    }
    .header-content {
      position: relative;
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 24px;
      z-index: 1;
    }
    
    .logo-img {
      width: 180px;
      height: auto;
      margin-bottom: 24px;
      filter: drop-shadow(0 0 15px rgba(211, 160, 235, 0.4));
    }

    h1 {
      font-size: 3.5rem;
      margin-bottom: 18px;
      font-weight: 800;
      letter-spacing: -0.04em;
      line-height: 1.1;
    }

    .title-white { color: #fff; }
    .title-pink { color: var(--primary); }

    .tagline {
      font-size: 1.5rem;
      margin-bottom: 35px;
      color: var(--text-secondary);
      font-weight: 400;
    }

    .badges {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 35px;
      padding: 25px;
    }

    .badges img {
      height: 25px;
      transition: all 0.3s ease;
      filter: brightness(0.4);
      border-radius: 4px;
    }
    
    .badges img:hover {
      filter: brightness(0.85);
      transform: translateY(-3px);
    }


    .main-content {
      padding: 70px 0 100px;
    }

    .container {
      max-width: 1150px;
      margin: 0 auto;
      padding: 0 28px;
    }

    .section {
      margin-bottom: 55px;
    }

    h2 {
      font-size: 2.6rem;
      color: var(--text-primary);
      margin-bottom: 28px;
      font-weight: 700;
      letter-spacing: -0.03em;
      display: flex;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
    }

    h2 .emoji {
        margin-right: 14px;
        font-style: normal;
    }

    h3 {
      font-size: 1.7rem;
      color: var(--text-primary);
      margin-bottom: 18px;
      font-weight: 600;
      margin-top: 30px;
    }

    .tool h3 {
      font-size: 1.3rem;
      color: var(--primary);
      margin-bottom: 12px;
      font-weight: 600;
      margin-top: 0;
    }

    p {
      margin-bottom: 22px;
      color: var(--text-secondary);
      font-size: 1.15rem;
      line-height: 1.8;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color 0.2s;
    }

    a:hover {
      color: var(--primary-hover);
      text-decoration: underline;
    }

    strong {
      color: var(--text-primary);
      font-weight: 600;
    }

    code {
      background: rgba(211, 160, 235, 0.1);
      padding: 3px 8px;
      border-radius: 5px;
      font-family: var(--font-mono);
      font-size: 0.92em;
      color: var(--primary);
      border: 1px solid rgba(211, 160, 235, 0.2);
    }


    .main-links {
      text-align: center;
      margin: 55px 0;
    }

    .main-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #171717; 
      padding: 16px 32px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: 600;
      margin: 10px;
      transition: all 0.3s ease;
      font-size: 1.1rem;
      border: 1px solid transparent;
    }

    .main-links a.primary {
      background: var(--primary);
      box-shadow: 0 0 25px var(--primary-glow);
    }

    .main-links a.primary:hover {
      background: var(--primary-hover);
      transform: translateY(-3px);
      box-shadow: 0 0 35px var(--primary-glow);
      text-decoration: none;
    }
    
    .main-links a.secondary {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
    }
    
    .main-links a.secondary:hover {
        border-color: var(--primary);
        color: var(--primary);
        text-decoration: none;
    }


    .tools {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
      margin: 35px 0;
    }

    .tool {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 30px;
      text-align: left;
      transition: all 0.3s ease;
    }

    .tool:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
    }

    .tool p {
      color: var(--text-secondary);
      margin-bottom: 0;
      font-size: 1.05rem;
    }

   
    .steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
      margin: 30px 0;
    }

    .step {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 28px;
      text-align: center;
      transition: all 0.3s ease;
    }

    .step:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    .step-number {
      width: 50px;
      height: 50px;
      background: linear-gradient(135deg, var(--primary), var(--primary-hover));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: 700;
      color: #171717;
      margin: 0 auto 18px auto;
    }

    .step h3 {
      color: var(--text-primary);
      margin-bottom: 10px;
      font-size: 1.3rem;
      margin-top: 0;
    }

    .step p {
      font-size: 1.05rem;
      margin-bottom: 0;
    }


    .ui-showcase {
      margin-top: 25px;
    }

    .showcase-group {
      margin-bottom: 45px;
    }
    
    .showcase-group h3 {
        font-size: 1.4rem;
        color: var(--text-primary);
        margin-bottom: 18px;
        display: flex;
        align-items: center;
    }

    .showcase-img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      cursor: zoom-in;
      transition: all 0.3s ease;
      background-color: var(--bg-card);
    }

    .showcase-img:hover {
      transform: translateY(-4px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.5);
    }

    .grid-1 {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    
    @media (max-width: 768px) {
        .grid-2 {
            grid-template-columns: 1fr;
        }
        h1 { font-size: 3rem; }
        body { font-size: 16px; }
        h2 { font-size: 2rem; }
        .badges img { height: 24px; }
    }


    .table-responsive {
      overflow-x: auto;
      margin-top: 25px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
    }

    .styled-table {
      width: 100%;
      border-collapse: collapse;
      background: var(--bg-card);
      min-width: 600px;
    }

    .styled-table th,
    .styled-table td {
      padding: 16px 20px;
      text-align: left;
      border-bottom: 1px solid var(--border-color);
      font-size: 1.05rem;
    }

    .styled-table th {
      background-color: var(--bg-body);
      color: var(--primary);
      font-weight: 600;
      font-size: 0.95rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      border-bottom: 2px solid var(--border-color);
    }

    .styled-table tr:last-child td {
      border-bottom: none;
    }
    
    .styled-table tr:hover td {
      background-color: rgba(255, 255, 255, 0.03);
    }

   
    .use-case-item {
      margin-bottom: 25px;
      padding-left: 20px;
      border-left: 3px solid var(--primary);
    }

    .use-case-item strong {
      color: var(--primary);
      font-size: 1.15rem;
    }


    .acknowledgement-content {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 20px;
    }
    
    .ack-img {
      max-width: 280px;
      height: auto;
      border-radius: 10px;
    }


    footer {
      background: #0e0e0e;
      color: var(--text-secondary);
      padding: 45px 0;
      border-top: 1px solid var(--border-color);
    }

    .footer-content {
      max-width: 1150px;
      margin: 0 auto;
      padding: 0 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }
    
    .footer-left p,
    .footer-right p {
      margin: 0;
    }
    
    footer a { color: var(--text-secondary); }
    footer a:hover { color: var(--primary); }


    .lightbox {
      display: none;
      position: fixed;
      z-index: 2000;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0,0,0,0.95);
      backdrop-filter: blur(8px);
    }
    
    .lightbox.show {
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .lightbox-content { max-width: 90%; max-height: 90%; border-radius: 6px; }
    
    .close-lightbox {
        position: absolute;
        top: 25px;
        right: 35px;
        color: #fff;
        font-size: 45px;
        font-weight: bold;
        cursor: pointer;
        transition: color 0.2s;
    }
    
    .close-lightbox:hover { color: var(--primary); }