:root {
      --bg-primary: #f1f4ff;
      --card-bg: #ffffff;
      --text-main: #181c32;
      --text-muted: #5e6278;
      --accent: #3b50df;
      --accent-light: #e8ecfc;
      --border-color: #e2e8f5;
      --shadow-sm: 0 4px 14px rgba(59, 80, 223, 0.05);
      --shadow-md: 0 10px 25px rgba(59, 80, 223, 0.08);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
    }

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

    body {
      background-color: var(--bg-primary);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      padding: 24px 16px;
    }

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

    /* Header Section */
    .showcase-header {
      text-align: center;
      padding: 48px 16px 36px;
      margin-bottom: 32px;
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .category-badge {
      display: inline-block;
      padding: 6px 16px;
      background: var(--accent-light);
      color: var(--accent);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .showcase-header h1 {
      font-size: 34px;
      font-weight: 800;
      letter-spacing: -0.5px;
      line-height: 1.25;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .showcase-header p {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.65;
    }

    /* Section Headers */
    .section-title {
      text-align: center;
      margin: 48px 0 28px;
    }

    .section-title h2 {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .section-title p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* Gallery Grid */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .gallery-card {
      background: var(--card-bg);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .gallery-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .image-wrapper {
      position: relative;
      width: 100%;
      padding-top: 100%; /* 1:1 Aspect Ratio */
      background: var(--bg-primary);
    }

    .image-wrapper img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .card-info {
      padding: 16px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .card-tag {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--accent);
      margin-bottom: 4px;
    }

    .card-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
      line-height: 1.35;
    }

    .card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.45;
    }

    /* Feature Highlights & Specifications */
    .details-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-bottom: 48px;
    }

    .details-card {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .details-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

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

    .feature-item {
      padding: 12px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .feature-item:last-child {
      border-bottom: none;
    }

    .feature-item strong {
      display: block;
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .feature-item span {
      font-size: 13px;
      color: var(--text-muted);
    }

    .specs-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13.5px;
    }

    .specs-table tr {
      border-bottom: 1px solid var(--border-color);
    }

    .specs-table tr:last-child {
      border-bottom: none;
    }

    .specs-table th {
      text-align: left;
      padding: 12px 8px;
      color: var(--text-muted);
      font-weight: 500;
      width: 40%;
    }

    .specs-table td {
      padding: 12px 8px;
      color: var(--text-main);
      font-weight: 600;
    }

    /* FAQ Section */
    .faq-section {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      padding: 40px 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      margin-bottom: 48px;
    }

    .faq-section h3 {
      font-size: 22px;
      font-weight: 700;
      text-align: center;
      margin-bottom: 28px;
      color: var(--text-main);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .faq-item {
      background: var(--bg-primary);
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .faq-item h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .faq-item p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* Footer Note (Pure Display, No Links/Buttons) */
    .footer-note {
      text-align: center;
      padding: 32px 16px;
      color: var(--text-muted);
      font-size: 13px;
      border-top: 1px solid var(--border-color);
    }

    /* Responsive Breakpoints */
    @media (max-width: 992px) {
      .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
      }
      .details-container {
        grid-template-columns: 1fr;
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 680px) {
      .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .showcase-header {
        padding: 32px 16px 24px;
      }
      .showcase-header h1 {
        font-size: 24px;
      }
      .showcase-header p {
        font-size: 14px;
      }
      .details-card {
        padding: 20px;
      }
      .faq-section {
        padding: 24px 16px;
      }
    }

    @media (max-width: 420px) {
      .gallery-grid {
        grid-template-columns: 1fr;
      }
    }