:root {
      --bg-color: #f1f4ff;
      --card-bg: #ffffff;
      --text-main: #2d3748;
      --text-muted: #64748b;
      --accent: #4a5568;
      --border-color: #e2e8f0;
      --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.04), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

    body {
      background-color: var(--bg-color);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      padding: 0;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 2.5rem 1.25rem 4rem;
    }

    /* Header Section */
    .hero-header {
      text-align: center;
      margin-bottom: 3.5rem;
      padding: 2rem 1rem;
    }

    .hero-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--accent);
      background: rgba(255, 255, 255, 0.7);
      padding: 0.35rem 1rem;
      border-radius: 9999px;
      margin-bottom: 1.25rem;
      border: 1px solid rgba(226, 232, 240, 0.8);
    }

    .hero-title {
      font-size: clamp(1.8rem, 4vw, 2.75rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      color: #1e293b;
      margin-bottom: 1rem;
    }

    .hero-subtitle {
      font-size: clamp(1rem, 2vw, 1.15rem);
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
      font-weight: 400;
    }

    /* Section Headings */
    .section-title-wrap {
      margin-bottom: 1.75rem;
      border-left: 4px solid #64748b;
      padding-left: 1rem;
    }

    .section-title {
      font-size: 1.35rem;
      font-weight: 600;
      color: #1e293b;
    }

    .section-desc {
      font-size: 0.925rem;
      color: var(--text-muted);
      margin-top: 0.25rem;
    }

    /* Image Gallery Grids */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 1.5rem;
      margin-bottom: 3.5rem;
    }

    .gallery-card {
      background: var(--card-bg);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(255, 255, 255, 0.8);
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .gallery-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 30px -8px rgba(0, 0, 0, 0.08);
    }

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

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

    .card-meta {
      padding: 1.1rem 1.25rem;
      background: #ffffff;
      flex-grow: 1;
    }

    .card-category {
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: #94a3b8;
      margin-bottom: 0.25rem;
    }

    .card-name {
      font-size: 1rem;
      font-weight: 600;
      color: #334155;
    }

    .card-note {
      font-size: 0.825rem;
      color: #64748b;
      margin-top: 0.35rem;
    }

    /* Specifications Matrix */
    .specs-panel {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 2rem;
      box-shadow: var(--shadow-soft);
      margin-bottom: 3.5rem;
      border: 1px solid var(--border-color);
    }

    .specs-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 1.5rem;
      margin-top: 1.25rem;
    }

    .spec-item {
      padding: 1rem;
      background: var(--bg-color);
      border-radius: var(--radius-sm);
    }

    .spec-label {
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: uppercase;
      color: var(--text-muted);
      letter-spacing: 0.05em;
      margin-bottom: 0.35rem;
    }

    .spec-value {
      font-size: 0.975rem;
      font-weight: 500;
      color: #1e293b;
    }

    /* FAQ Section */
    .faq-wrapper {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 2.25rem 2rem;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
    }

    .faq-list {
      margin-top: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 1.25rem 1.5rem;
      background: #fafbfe;
    }

    .faq-question {
      font-size: 1.05rem;
      font-weight: 600;
      color: #1e293b;
      margin-bottom: 0.5rem;
    }

    .faq-answer {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Footer Note (Non-clickable, compliant) */
    .footer-note {
      text-align: center;
      margin-top: 3.5rem;
      padding-top: 1.5rem;
      border-top: 1px solid rgba(226, 232, 240, 0.7);
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .container {
        padding: 1.5rem 1rem 3rem;
      }
      .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.85rem;
      }
      .card-meta {
        padding: 0.85rem;
      }
      .card-name {
        font-size: 0.9rem;
      }
      .card-note {
        font-size: 0.775rem;
      }
      .specs-panel, .faq-wrapper {
        padding: 1.5rem 1rem;
      }
    }

    @media (max-width: 480px) {
      .gallery-grid {
        grid-template-columns: 1fr;
      }
    }