/* ==========================================================================
       GLOBAL RESET & COLOR VARIABLES
       ========================================================================== */
    :root {
      --bg-main: #f1f4ff;
      --bg-card: #ffffff;
      --text-primary: #1e2432;
      --text-secondary: #5a6478;
      --text-muted: #8b95a8;
      --accent-color: #6366f1;
      --accent-soft: #e0e7ff;
      --border-subtle: #e2e8f0;
      --shadow-sm: 0 4px 14px rgba(30, 41, 59, 0.05);
      --shadow-md: 0 10px 25px rgba(30, 41, 59, 0.08);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

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

    body {
      background-color: var(--bg-main);
      color: var(--text-primary);
      font-family: var(--font-stack);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      padding: 0;
      margin: 0;
    }

    /* ==========================================================================
       CONTAINER & HEADER
       ========================================================================== */
    .showcase-container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 40px 24px 80px;
    }

    .header-section {
      text-align: center;
      padding: 40px 16px 50px;
      max-width: 860px;
      margin: 0 auto;
    }

    .tag-badge {
      display: inline-block;
      background: var(--accent-soft);
      color: var(--accent-color);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1.2px;
      text-transform: uppercase;
      padding: 6px 18px;
      border-radius: 100px;
      margin-bottom: 18px;
    }

    .main-title {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-primary);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .subtitle {
      font-size: 17px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* ==========================================================================
       GROUP HEADERS & EDITORIAL NARRATIVE CARDS
       ========================================================================== */
    .group-section {
      margin-bottom: 50px;
    }

    .group-header {
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-subtle);
      padding-bottom: 14px;
    }

    .group-title-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .group-number {
      font-size: 14px;
      font-weight: 800;
      color: var(--accent-color);
      background: var(--accent-soft);
      padding: 4px 10px;
      border-radius: 6px;
      letter-spacing: 0.5px;
    }

    .group-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-primary);
    }

    .group-summary {
      font-size: 14px;
      color: var(--text-secondary);
    }

    /* Narrative Card Between Groups */
    .narrative-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 32px 36px;
      margin: 45px 0 55px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
    }

    .narrative-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--accent-color);
    }

    .narrative-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 10px;
    }

    .narrative-body {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* ==========================================================================
       RESPONSIVE IMAGE GRID
       Desktop: 4 columns (default) or 3 columns (.image-grid-3) | Tablet: 3 columns | Mobile: 2 columns
       ========================================================================== */
    .image-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .image-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .image-wrapper {
      position: relative;
      width: 100%;
      padding-top: 100%; /* 1:1 Aspect Ratio */
      background-color: #f1f4ff;
      overflow: hidden;
    }

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

    .card-info {
      padding: 16px 18px 18px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--text-muted);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .card-badge {
      background: #f1f5f9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 11px;
    }

    .card-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-primary);
      line-height: 1.4;
    }

    .card-desc {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    /* ==========================================================================
       HIGHLIGHT / SPEC CARD
       ========================================================================== */
    .specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin: 40px 0 60px;
    }

    .spec-item {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .spec-val {
      font-size: 26px;
      font-weight: 800;
      color: var(--accent-color);
      margin-bottom: 6px;
    }

    .spec-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 4px;
    }

    .spec-sub {
      font-size: 12px;
      color: var(--text-secondary);
    }

    /* ==========================================================================
       FAQ SECTION
       ========================================================================== */
    .faq-section {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 48px 44px;
      margin-top: 60px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
    }

    .faq-header {
      text-align: center;
      margin-bottom: 36px;
    }

    .faq-header h2 {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 8px;
    }

    .faq-header p {
      font-size: 15px;
      color: var(--text-secondary);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .faq-item {
      background: #f8fafc;
      border-radius: var(--radius-sm);
      padding: 22px 24px;
      border: 1px solid var(--border-subtle);
    }

    .faq-question {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    .faq-q-mark {
      color: var(--accent-color);
      font-weight: 800;
      font-size: 18px;
      line-height: 1;
    }

    .faq-answer {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* ==========================================================================
       RESPONSIVE BREAKPOINTS
       ========================================================================== */
    @media (max-width: 1024px) {
      .image-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
      }
      .specs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .showcase-container {
        padding: 24px 16px 60px;
      }
      .header-section {
        padding: 20px 8px 30px;
      }
      .main-title {
        font-size: 26px;
      }
      .subtitle {
        font-size: 15px;
      }
      .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
      }
      .card-info {
        padding: 12px 14px 14px;
      }
      .card-title {
        font-size: 13px;
      }
      .card-desc {
        font-size: 12px;
      }
      .specs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .faq-section {
        padding: 30px 20px;
      }
      .faq-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .narrative-card {
        padding: 22px 20px;
        margin: 30px 0 40px;
      }
      .group-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }
    }