/* --- CSS RESET & ROOT VARIABLES --- */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    :root {
      --bg-color: #f1f4ff;
      --card-bg: #ffffff;
      --text-main: #232733;
      --text-sub: #61687a;
      --text-light: #8e95a5;
      --accent: #5e66e8;
      --accent-soft: #eceeff;
      --border-color: #e2e6f8;
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 24px;
      --shadow-sm: 0 4px 12px rgba(94, 102, 232, 0.04);
      --shadow-md: 0 10px 28px rgba(94, 102, 232, 0.08);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    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;
      -webkit-font-smoothing: antialiased;
      padding: 0;
      margin: 0;
    }

    /* --- LAYOUT WRAPPER --- */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 40px 20px 80px;
    }

    /* --- HEADER & HERO --- */
    .hero-section {
      text-align: center;
      padding: 40px 20px 50px;
      margin-bottom: 40px;
    }

    .badge-pill {
      display: inline-block;
      padding: 6px 16px;
      background: var(--accent-soft);
      color: var(--accent);
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    .main-title {
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 800;
      line-height: 1.2;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .subtitle {
      font-size: clamp(1rem, 1.8vw, 1.2rem);
      color: var(--text-sub);
      max-width: 680px;
      margin: 0 auto;
    }

    /* --- FEATURE HIGHLIGHTS PILLS --- */
    .feature-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 28px;
    }

    .feature-tag-item {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      padding: 8px 18px;
      border-radius: 20px;
      font-size: 0.9rem;
      color: var(--text-sub);
      box-shadow: var(--shadow-sm);
    }

    /* --- SECTION HEADERS --- */
    .section-title-wrap {
      text-align: center;
      margin: 60px 0 32px;
    }

    .section-category {
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--accent);
      letter-spacing: 1px;
      margin-bottom: 6px;
    }

    .section-heading {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .section-desc {
      font-size: 0.95rem;
      color: var(--text-sub);
      margin-top: 6px;
    }

    /* --- RESPONSIVE 3-COLUMN IMAGE MATRIX --- */
    .image-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 20px;
    }

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

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

    .card-img-wrap {
      position: relative;
      width: 100%;
      padding-top: 100%; /* 1:1 Aspect Ratio */
      background-color: var(--bg-color);
      overflow: hidden;
    }

    .card-img-wrap img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

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

    .card-content {
      padding: 18px 20px 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
    }

    .card-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .card-num {
      font-size: 0.75rem;
      color: var(--text-light);
      font-weight: 500;
    }

    .card-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .card-desc {
      font-size: 0.86rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* --- HERO SHOWCASE CARD (FULL WIDTH) --- */
    .hero-banner-card {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      margin-bottom: 50px;
    }

    .hero-banner-img {
      position: relative;
      width: 100%;
      padding-top: 100%;
      background: var(--bg-color);
    }

    .hero-banner-img img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-banner-info {
      padding: 48px 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .hero-banner-info h2 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .hero-banner-info p {
      font-size: 1rem;
      color: var(--text-sub);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .spec-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .spec-item {
      background: var(--bg-color);
      padding: 12px 16px;
      border-radius: var(--radius-sm);
    }

    .spec-item-title {
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 2px;
    }

    .spec-item-val {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }

    /* --- FAQ SECTION --- */
    .faq-container {
      max-width: 860px;
      margin: 60px auto 20px;
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      padding: 40px 36px;
    }

    .faq-header {
      text-align: center;
      margin-bottom: 32px;
    }

    .faq-header h2 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .faq-header p {
      color: var(--text-sub);
      font-size: 0.95rem;
      margin-top: 6px;
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: var(--bg-color);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item details {
      width: 100%;
    }

    .faq-item summary {
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      user-select: none;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: '+';
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--accent);
      transition: transform 0.2s ease;
    }

    .faq-item details[open] summary::after {
      content: '−';
    }

    .faq-content {
      padding: 0 22px 20px;
      color: var(--text-sub);
      font-size: 0.92rem;
      line-height: 1.6;
    }

    /* --- RESPONSIVE BREAKPOINTS --- */
    @media (max-width: 992px) {
      .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
      .hero-banner-card {
        grid-template-columns: 1fr;
      }
      .hero-banner-info {
        padding: 32px 24px;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding: 24px 16px 60px;
      }
      .image-grid {
        grid-template-columns: 1fr;
        gap: 18px;
      }
      .hero-section {
        padding: 24px 10px 32px;
      }
      .spec-list {
        grid-template-columns: 1fr;
      }
      .faq-container {
        padding: 28px 20px;
      }
    }