/* ==========================================================================
       RESET & BASE THEME (#f1f4ff)
       ========================================================================== */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: #f1f4ff;
      color: #2b3658;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      padding: 24px 16px 48px;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1120px;
      margin: 0 auto;
    }

    /* ==========================================================================
       HERO BANNER (NO BRAND / NO LOGO)
       ========================================================================== */
    .showcase-header {
      text-align: center;
      margin-bottom: 36px;
      padding: 32px 20px;
      background: #ffffff;
      border-radius: 20px;
      box-shadow: 0 4px 20px rgba(43, 54, 88, 0.04);
      border: 1px solid rgba(220, 227, 245, 0.6);
    }
    .category-pill {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: #5c67d6;
      background: #ebedfd;
      padding: 6px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
    }
    .showcase-header h1 {
      font-size: 28px;
      font-weight: 800;
      color: #1a2238;
      margin-bottom: 10px;
      letter-spacing: -0.5px;
    }
    .showcase-header p {
      font-size: 15px;
      color: #637199;
      max-width: 680px;
      margin: 0 auto;
    }

    /* ==========================================================================
       SECTION HEADERS
       ========================================================================== */
    .section-header {
      margin: 40px 0 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-left: 4px solid #5c67d6;
      padding-left: 14px;
    }
    .section-header h2 {
      font-size: 21px;
      font-weight: 700;
      color: #1a2238;
      letter-spacing: -0.3px;
    }
    .section-tag {
      font-size: 13px;
      font-weight: 600;
      color: #5c67d6;
      background: #e6ebff;
      padding: 4px 12px;
      border-radius: 12px;
    }

    /* ==========================================================================
       RESPONSIVE PRODUCT CARD GRID (DESKTOP: 4 COLS, TABLET: 3 COLS, MOBILE: 2 COLS)
       ========================================================================== */
    .grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }
    .card {
      background: #ffffff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 16px rgba(43, 54, 88, 0.04);
      border: 1px solid rgba(220, 227, 245, 0.7);
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 25px rgba(92, 103, 214, 0.1);
    }
    .img-box {
      position: relative;
      width: 100%;
      padding-top: 100%; /* Strict 1:1 Square Ratio */
      background: #f1f4ff;
      overflow: hidden;
    }
    .img-box img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }
    .card:hover .img-box img {
      transform: scale(1.03);
    }
    .card-info {
      padding: 14px 16px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .card-label {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      color: #5c67d6;
      margin-bottom: 4px;
    }
    .card-title {
      font-size: 15px;
      font-weight: 700;
      color: #1f2744;
      margin-bottom: 6px;
      line-height: 1.35;
    }
    .card-desc {
      font-size: 12.5px;
      color: #637199;
      line-height: 1.45;
    }

    /* ==========================================================================
       TECHNICAL SPECIFICATIONS TABLE
       ========================================================================== */
    .specs-panel {
      background: #ffffff;
      border-radius: 18px;
      padding: 28px;
      margin-bottom: 40px;
      box-shadow: 0 4px 18px rgba(43, 54, 88, 0.04);
      border: 1px solid rgba(220, 227, 245, 0.7);
    }
    .specs-panel h3 {
      font-size: 19px;
      font-weight: 700;
      color: #1a2238;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 2px solid #f1f4ff;
    }
    .specs-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
    }
    .specs-table tr {
      border-bottom: 1px solid #edf1fb;
    }
    .specs-table tr:last-child {
      border-bottom: none;
    }
    .specs-table th {
      padding: 12px 16px;
      text-align: left;
      font-weight: 600;
      color: #637199;
      background: #f9faff;
      width: 30%;
    }
    .specs-table td {
      padding: 12px 16px;
      color: #2b3658;
      font-weight: 500;
    }

    /* ==========================================================================
       FAQ SECTION (DISPLAY ONLY / NO INTERACTIVE BUTTONS)
       ========================================================================== */
    .faq-panel {
      background: #ffffff;
      border-radius: 18px;
      padding: 28px;
      margin-bottom: 30px;
      box-shadow: 0 4px 18px rgba(43, 54, 88, 0.04);
      border: 1px solid rgba(220, 227, 245, 0.7);
    }
    .faq-panel h3 {
      font-size: 19px;
      font-weight: 700;
      color: #1a2238;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 2px solid #f1f4ff;
    }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-card {
      background: #f8faff;
      border: 1px solid #e1e7f8;
      border-radius: 12px;
      padding: 16px 20px;
    }
    .faq-question {
      font-size: 15px;
      font-weight: 700;
      color: #1a2238;
      margin-bottom: 8px;
    }
    .faq-answer {
      font-size: 13.5px;
      color: #4a5677;
      line-height: 1.55;
    }

    /* ==========================================================================
       RESPONSIVE BREAKPOINTS (MOBILE & TABLET)
       ========================================================================== */
    @media (max-width: 992px) {
      .grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
      }
    }
    @media (max-width: 680px) {
      body {
        padding: 16px 12px 36px;
      }
      .showcase-header {
        padding: 20px 14px;
        margin-bottom: 24px;
      }
      .showcase-header h1 {
        font-size: 22px;
      }
      .showcase-header p {
        font-size: 13.5px;
      }
      .section-header {
        margin: 28px 0 16px;
      }
      .section-header h2 {
        font-size: 18px;
      }
      .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-bottom: 28px;
      }
      .card-info {
        padding: 10px 12px;
      }
      .card-title {
        font-size: 13.5px;
      }
      .card-desc {
        font-size: 11.5px;
      }
      .specs-panel, .faq-panel {
        padding: 18px 14px;
        margin-bottom: 24px;
      }
      .specs-table th {
        width: 38%;
        font-size: 12.5px;
        padding: 10px 8px;
      }
      .specs-table td {
        font-size: 12.5px;
        padding: 10px 8px;
      }
      .faq-card {
        padding: 12px 14px;
      }
      .faq-question {
        font-size: 13.5px;
      }
      .faq-answer {
        font-size: 12.5px;
      }
    }