:root {
      --bg: #f6f7f9;
      --card: rgba(255, 255, 255, 0.7);
      --text: #0f172a;
      --muted: #475569;
      --border: rgba(0, 0, 0, 0.08);
      --accent: #6366f1;
    }

    @media (prefers-color-scheme: dark) {
      :root {
        --bg: #0b0f1a;
        --card: rgba(18, 23, 42, 0.7);
        --text: #e5e7eb;
        --muted: #9ca3af;
        --border: rgba(255, 255, 255, 0.08);
        --accent: #818cf8;
      }
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text",
        "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

      background:
        radial-gradient(circle at top left, rgba(99,102,241,0.15), transparent 40%),
        radial-gradient(circle at bottom right, rgba(34,197,94,0.12), transparent 40%),
        var(--bg);

      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* 🔷 Diamond / AI grid background */
    body::after {
      content: "";
      position: fixed;
      inset: 0;

      background-image:
        linear-gradient(45deg, rgba(99,102,241,0.06) 1px, transparent 1px),
        linear-gradient(-45deg, rgba(99,102,241,0.06) 1px, transparent 1px);

      background-size: 40px 40px;
      opacity: 0.4;
      pointer-events: none;
      z-index: 0;

      animation: gridMove 20s linear infinite;
    }

    @keyframes gridMove {
      from { background-position: 0 0, 0 0; }
      to { background-position: 80px 80px, -80px 80px; }
    }

    .container {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 24px;
    }

    .card {
      max-width: 720px;
      width: 100%;
      backdrop-filter: blur(14px);
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 36px;
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);

      position: relative;
      z-index: 1;

      opacity: 0;
      transform: translateY(30px);
      animation: fadeUp 0.8s ease forwards;
    }

    @keyframes fadeUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* 🔥 Attractive AI Title */
    h1 {
      margin: 0 0 8px;
      font-size: 36px;
      font-weight: 800;
      letter-spacing: 0.6px;

      background: linear-gradient(
        90deg,
        #6366f1,
        #22c55e,
        #06b6d4,
        #a855f7
      );
      background-size: 300% auto;

      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;

      animation: gradientMove 6s linear infinite, fadeIn 1s ease forwards;
      position: relative;
    }

    /* glow */
    h1::after {
      content: "AI PROTON PTE. LTD.";
      position: absolute;
      left: 0;
      top: 0;
      z-index: -1;

      filter: blur(14px);
      opacity: 0.35;

      background: linear-gradient(
        90deg,
        #6366f1,
        #22c55e,
        #06b6d4,
        #a855f7
      );
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
 
    @keyframes shine {
      to {
        transform: translateX(100%);
      }
    }

    @keyframes gradientMove {
      to {
        background-position: 300% center;
      }
    }

    .subtitle {
      color: var(--muted);
      margin-bottom: 24px;
      font-size: 15px;
      animation: fadeIn 1.2s ease forwards;
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    .section {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid var(--border);
      animation: fadeUp 0.8s ease forwards;
    }

    .label {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--muted);
      margin-bottom: 6px;
    }

    .value {
      font-size: 15px;
    }

    .product {
      background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), transparent);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 20px;
      margin-top: 12px;
      transition: all 0.3s ease;
    }

    .product:hover {
      transform: translateY(-4px) scale(1.01);
      box-shadow: 0 12px 30px rgba(99, 102, 241, 0.15);
    }

    .product-header {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .product-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      object-fit: cover;
      border: 1px solid var(--border);
      transition: transform 0.25s ease;
    }

    .product:hover .product-icon {
      transform: scale(1.08);
    }

    .product-title {
      font-weight: 600;
      font-size: 16px;
      margin-bottom: 6px;
    }

    .disclaimer {
      font-size: 14px;
      color: var(--muted);
      margin-top: 12px;
    }

    a {
      color: var(--accent);
      text-decoration: none;
      position: relative;
    }

    a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 0%;
      height: 2px;
      background: var(--accent);
      transition: width 0.3s ease;
    }

    a:hover::after {
      width: 100%;
    }

    footer {
      margin-top: 32px;
      font-size: 13px;
      color: var(--muted);
      text-align: center;
      opacity: 0;
      animation: fadeIn 1.5s ease forwards;
    }