/* =========================================================================
       PREMIUM STUDIO SHOWCASE DISPLAY STYLESHEET
       Theme: Pastel Wavy Scalloped Liquid Silicone Phone Case (Boutique Edition)
       Base Background: #f1f4ff (Strictly Enforced)
       Design Language: Modern High-End Tech Merch & Soft Pastel Luxury
       Zero Links, Zero Buttons, Responsive Desktop & Mobile
       ========================================================================= */

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

    body {
      background-color: #f1f4ff;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: #1e293b;
      line-height: 1.65;
      padding: 30px 16px;
      -webkit-font-smoothing: antialiased;
    }

    .main-container {
      max-width: 1140px;
      margin: 0 auto;
      background: #ffffff;
      border-radius: 28px;
      padding: 42px 36px;
      box-shadow: 0 12px 48px rgba(99, 102, 241, 0.05), 0 2px 10px rgba(0, 0, 0, 0.02);
      border: 1px solid rgba(226, 232, 240, 0.8);
    }

    /* ==================== 1. HERO HEADER ==================== */
    .hero-banner {
      background: linear-gradient(135deg, #fefce8 0%, #fdf4ff 45%, #eef2ff 100%);
      border: 1px solid #fef08a;
      border-radius: 24px;
      padding: 46px 32px;
      text-align: center;
      margin-bottom: 44px;
      position: relative;
      overflow: hidden;
      box-shadow: 0 8px 30px rgba(234, 179, 8, 0.07);
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: linear-gradient(135deg, #eab308 0%, #ea580c 100%);
      color: #ffffff;
      font-size: 11.5px;
      font-weight: 800;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      padding: 6px 20px;
      border-radius: 9999px;
      margin-bottom: 16px;
      box-shadow: 0 4px 14px rgba(234, 179, 8, 0.3);
    }

    .hero-title {
      font-size: 32px;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.25;
      margin-bottom: 14px;
      letter-spacing: -0.8px;
    }

    .hero-subtitle {
      font-size: 18px;
      font-weight: 700;
      color: #b45309;
      display: block;
      margin-top: 6px;
      letter-spacing: -0.2px;
    }

    .hero-desc {
      font-size: 14.5px;
      color: #475569;
      max-width: 880px;
      margin: 0 auto 24px auto;
      line-height: 1.75;
    }

    .hero-tags {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 10px;
    }

    .hero-tag-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 9999px;
      padding: 6px 15px;
      font-size: 12.5px;
      font-weight: 700;
      color: #334155;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    /* ==================== SECTION HEADERS ==================== */
    .section-header {
      margin-bottom: 22px;
      border-bottom: 2px solid #f1f5f9;
      padding-bottom: 14px;
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
    }

    .section-title {
      font-size: 21px;
      font-weight: 900;
      color: #0f172a;
      border-left: 5px solid #eab308;
      padding-left: 14px;
      margin: 0;
      letter-spacing: -0.3px;
    }

    .section-subtitle {
      font-size: 13.5px;
      color: #64748b;
      margin: 4px 0 0 19px;
    }

    .section-chip {
      font-size: 12px;
      font-weight: 800;
      color: #b45309;
      background: #fefce8;
      border: 1px solid #fef08a;
      padding: 4px 12px;
      border-radius: 8px;
    }

    /* ==================== 2. WORKFLOW PIPELINE ==================== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 46px;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-top: 3.5px solid #eab308;
      border-radius: 14px;
      padding: 20px 18px;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
      transition: transform 0.2s ease;
    }

    .step-header {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
    }

    .step-num {
      background: linear-gradient(135deg, #eab308 0%, #ca8a04 100%);
      color: #ffffff;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12.5px;
      font-weight: 800;
      flex-shrink: 0;
      box-shadow: 0 2px 6px rgba(234, 179, 8, 0.3);
    }

    .step-name {
      font-weight: 800;
      font-size: 14px;
      color: #0f172a;
    }

    .step-desc {
      font-size: 12.5px;
      color: #64748b;
      line-height: 1.55;
    }

    /* ==================== 3. EDITORIAL SHOWCASE GALLERY ==================== */
    .gallery-showcase-wrap {
      display: flex;
      flex-direction: column;
      gap: 28px;
      margin-bottom: 48px;
    }

    /* Feature Split Card: Hero 3/4 Floating View */
    .feature-split-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 20px;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
    }

    .feature-split-img {
      background: #fafafa;
      text-align: center;
      border-right: 1px solid #f1f5f9;
      padding: 10px;
    }

    .feature-split-img img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 12px;
    }

    .feature-split-body {
      padding: 34px 30px;
    }

    .badge-label {
      font-size: 11px;
      font-weight: 800;
      color: #b45309;
      background: #fef9c3;
      padding: 3px 10px;
      border-radius: 6px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .feature-title {
      font-size: 20px;
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 10px;
      line-height: 1.35;
    }

    .feature-desc {
      font-size: 13.5px;
      color: #475569;
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .feature-specs-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .feature-spec-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12.5px;
      color: #334155;
      background: #f8fafc;
      padding: 8px 12px;
      border-radius: 8px;
      border-left: 3px solid #eab308;
    }

    /* Full-Width Showcase Card: 6 Colorway Lineup */
    .full-width-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
    }

    .full-width-img-wrap {
      background: #fafafa;
      text-align: center;
      border-bottom: 1px solid #f1f5f9;
      padding: 12px;
    }

    .full-width-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 12px;
    }

    .full-width-body {
      padding: 24px 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    .swatch-group {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .swatch-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      color: #475569;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 5px 12px;
      border-radius: 9999px;
    }

    .swatch-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      display: inline-block;
    }

    /* 2-Column Balanced Cards */
    .cards-2col-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .sub-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 18px;
      overflow: hidden;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.03);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .sub-card-img {
      background: #fafafa;
      text-align: center;
      border-bottom: 1px solid #f1f5f9;
      padding: 8px;
    }

    .sub-card-img img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 10px;
    }

    .sub-card-body {
      padding: 22px 20px;
    }

    .sub-card-title {
      font-size: 16px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .sub-card-desc {
      font-size: 13px;
      color: #475569;
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .sub-card-highlight {
      font-size: 12px;
      color: #64748b;
      background: #f8fafc;
      border-left: 3px solid #eab308;
      padding: 8px 12px;
      border-radius: 6px;
    }

    /* ==================== 4. SPECIFICATIONS MATRIX TABLE ==================== */
    .specs-table-container {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 18px;
      overflow: hidden;
      box-shadow: 0 4px 18px rgba(0, 0, 0, 0.02);
      margin-bottom: 46px;
    }

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

    .specs-table th {
      background: #f8fafc;
      padding: 14px 20px;
      font-weight: 900;
      color: #0f172a;
      border-bottom: 2px solid #e2e8f0;
      letter-spacing: -0.2px;
    }

    .specs-table td {
      padding: 13px 20px;
      color: #475569;
      border-bottom: 1px solid #f1f5f9;
      line-height: 1.6;
    }

    .specs-table tr:nth-child(even) td {
      background: #fafafa;
    }

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

    .specs-table td.spec-name {
      font-weight: 800;
      color: #1e293b;
      width: 26%;
      border-right: 1px solid #f1f5f9;
    }

    /* ==================== 5. FAQ ACCORDION ==================== */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 10px;
    }

    details {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      padding: 16px 22px;
      transition: all 0.2s ease;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
      cursor: pointer;
    }

    details[open] {
      background: #ffffff;
      border-color: #fde047;
      box-shadow: 0 6px 20px rgba(234, 179, 8, 0.09);
    }

    summary {
      font-size: 15px;
      font-weight: 800;
      color: #0f172a;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      font-size: 20px;
      font-weight: 800;
      color: #ca8a04;
      transition: transform 0.2s ease;
    }

    details[open] summary::after {
      content: "−";
      transform: rotate(180deg);
      color: #ea580c;
    }

    .faq-answer {
      margin-top: 12px;
      font-size: 13.5px;
      color: #475569;
      line-height: 1.7;
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
    }

    /* ==================== RESPONSIVE RULES ==================== */
    @media (max-width: 960px) {
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .feature-split-card {
        grid-template-columns: 1fr;
      }
      .feature-split-img {
        border-right: none;
        border-bottom: 1px solid #f1f5f9;
      }
      .cards-2col-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 640px) {
      body {
        padding: 14px 8px;
      }
      .main-container {
        padding: 22px 14px;
        border-radius: 18px;
      }
      .hero-banner {
        padding: 28px 16px;
        border-radius: 16px;
      }
      .hero-title {
        font-size: 22px;
      }
      .hero-subtitle {
        font-size: 14.5px;
      }
      .hero-desc {
        font-size: 13px;
      }
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .full-width-body {
        flex-direction: column;
        align-items: flex-start;
      }
      .specs-table th, .specs-table td {
        padding: 10px 12px;
        font-size: 12px;
      }
      .specs-table td.spec-name {
        width: 32%;
      }
    }