/* Global Reset & Theme Variables */
    :root {
      --bg-color: #f1f4ff;
      --card-bg: #ffffff;
      --card-border: #e2e8f0;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --accent-color: #4f46e5;
      --accent-subtle: #ede9fe;
      --gold-accent: #d97706;
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 8px 16px -2px rgba(15, 23, 42, 0.06), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 16px 24px -4px rgba(15, 23, 42, 0.08), 0 8px 12px -4px rgba(15, 23, 42, 0.04);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
    }

    * {
      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, Arial, sans-serif;
      line-height: 1.6;
      padding: 0;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Header / Hero Section */
    .hero {
      padding: 60px 0 40px;
      text-align: center;
    }

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

    .hero-title {
      font-size: 40px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.2;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
    }

    /* Section Header */
    .section-header {
      text-align: center;
      margin: 60px 0 32px;
    }

    .section-title {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
    }

    /* Feature Highlights Grid */
    .mechanisms-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
      margin-bottom: 40px;
    }

    .mech-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .mech-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .mech-icon {
      font-size: 28px;
      margin-bottom: 12px;
      display: inline-block;
    }

    .mech-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .mech-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Main Showcase Gallery (16 Images Grid) */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .gallery-card {
      background: var(--card-bg);
      border-radius: var(--radius-md);
      border: 1px solid var(--card-border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
    }

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

    .image-wrapper {
      position: relative;
      width: 100%;
      aspect-ratio: 1 / 1;
      background-color: #ffffff;
      overflow: hidden;
    }

    .image-wrapper img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .gallery-card:hover .image-wrapper img {
      transform: scale(1.03);
    }

    .card-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(4px);
      color: var(--text-main);
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 999px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.06);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

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

    .card-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      line-height: 1.3;
    }

    .card-spec {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* Craftsmanship Showcase Box */
    .specs-box {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin: 60px 0;
      box-shadow: var(--shadow-sm);
    }

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

    .spec-item {
      padding: 16px;
      border-left: 3px solid var(--accent-color);
      background: var(--bg-color);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }

    .spec-label {
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--text-muted);
      letter-spacing: 0.5px;
      margin-bottom: 4px;
    }

    .spec-val {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
    }

    /* FAQ Section */
    .faq-container {
      max-width: 860px;
      margin: 0 auto 80px;
    }

    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 16px;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .faq-question::before {
      content: "Q";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 26px;
      height: 26px;
      background: var(--accent-subtle);
      color: var(--accent-color);
      font-size: 13px;
      font-weight: 800;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .faq-answer {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      padding-left: 36px;
    }

    /* Footer */
    .footer {
      text-align: center;
      padding: 40px 0;
      border-top: 1px solid rgba(226, 232, 240, 0.8);
      color: var(--text-muted);
      font-size: 13px;
    }

    /* Responsive Breakpoints */
    @media (max-width: 1100px) {
      .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 28px;
      }
      .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .specs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .specs-box {
        padding: 24px;
      }
      .faq-answer {
        padding-left: 0;
        margin-top: 8px;
      }
    }

    @media (max-width: 480px) {
      .gallery-grid {
        grid-template-columns: 1fr;
      }
      .specs-grid {
        grid-template-columns: 1fr;
      }
      .container {
        padding: 0 16px;
      }
    }