 * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    }
    body {
      background: #f1f5f9;
      color: #0b1a2e;
      line-height: 1.5;
      padding: 5px;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      background: #ffffff;
      border-radius: 12px;
      box-shadow: 0 20px 40px -12px rgba(0,0,0,0.08);
      overflow: hidden;
    }
    img {
      display: block;
      width: 100%;
      height: auto;
    }
    .flex { display: flex; }
    .flex-col { flex-direction: column; }
    .items-center { align-items: center; }
    .justify-between { justify-content: space-between; }
    .gap-2 { gap: 8px; }
    .gap-4 { gap: 16px; }
    .gap-6 { gap: 24px; }
    .text-center { text-align: center; }
    .text-sm { font-size: 0.875rem; }
    .text-xs { font-size: 0.75rem; }
    .font-bold { font-weight: 700; }
    .font-semibold { font-weight: 600; }
    .font-medium { font-weight: 500; }
    .tracking-wide { letter-spacing: 0.025em; }
    .rounded-full { border-radius: 9999px; }
    .rounded-2xl { border-radius: 20px; }
    .rounded-xl { border-radius: 16px; }
    .shadow-sm { box-shadow: 0 2px 6px rgba(0,0,0,0.03); }
    .bg-slate-50 { background: #f8fafc; }
    .bg-slate-100 { background: #f1f5f9; }
    .bg-blue-50 { background: #eff6ff; }
    .bg-blue-600 { background: #2563eb; }
    .bg-slate-800 { background: #1e293b; }
    .bg-slate-900 { background: #0f172a; }
    .text-white { color: #ffffff; }
    .text-slate-700 { color: #334155; }
    .text-slate-600 { color: #475569; }
    .text-slate-500 { color: #64748b; }
    .text-blue-600 { color: #2563eb; }
    .border-slate-200 { border-color: #e2e8f0; }

    .px-6 { padding-left: 24px; padding-right: 24px; }
    .py-8 { padding-top: 32px; padding-bottom: 32px; }
    .py-10 { padding-top: 40px; padding-bottom: 40px; }
    .px-4 { padding-left: 16px; padding-right: 16px; }
    .py-4 { padding-top: 16px; padding-bottom: 16px; }

    .grid { display: grid; }
    .grid-cols-2 { grid-template-columns: repeat(2,1fr); }
    .grid-cols-3 { grid-template-columns: repeat(3,1fr); }
    .grid-cols-4 { grid-template-columns: repeat(4,1fr); }
    .grid-cols-5 { grid-template-columns: repeat(5,1fr); }
    .grid-cols-6 { grid-template-columns: repeat(6,1fr); }
    .gap-3 { gap: 12px; }
    .gap-4 { gap: 16px; }
    .gap-5 { gap: 20px; }

    .icon-circle {
      width: 48px;
      height: 48px;
      background: #e2e8f0;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: #1e293b;
      margin: 0 auto 4px;
    }
    .icon-sm {
      width: 32px;
      height: 32px;
      background: #dbeafe;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      color: #1e40af;
      flex-shrink: 0;
    }
    .icon-tiny {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      margin: 0 auto 4px;
    }
    .badge {
      background: #dbeafe;
      color: #1e40af;
      padding: 4px 12px;
      border-radius: 40px;
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.04em;
      display: inline-block;
    }
    .benefit-card {
      background: #fff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0,0,0,0.02);
      border: 1px solid #f1f5f9;
      transition: all 0.15s;
    }
    .benefit-card .img-box {
      height: 110px;
      background: #e2e8f0;
    }
    .benefit-card .img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .benefit-card .content {
      padding: 12px 14px;
      background: #1e293b;
      color: #fff;
      text-align: left;
    }
    .benefit-card .content h4 {
      font-size: 0.8rem;
      font-weight: 700;
      margin-bottom: 4px;
      letter-spacing: 0.01em;
    }
    .benefit-card .content p {
      font-size: 0.7rem;
      color: #94a3b8;
      line-height: 1.3;
    }
    .benefit-card.blue .content { background: #1e4a8a; }
    .benefit-card.purple .content { background: #4c1d95; }
    .benefit-card.green .content { background: #166534; }
    .benefit-card.dark .content { background: #0f172a; }
    .benefit-card.teal .content { background: #115e59; }

    .cat-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 12px 14px;
      background: #f8fafc;
      border-radius: 14px;
      border-left: 0px solid #3b82f6;
    }
    .cat-item h4 { font-size: 0.85rem; font-weight: 600; color: #0f172a; margin-bottom: 2px; }
    .cat-item p { font-size: 0.75rem; color: #64748b; line-height: 1.3; }

    .review-card {
      background: #f8fafc;
      padding: 18px 16px;
      border-radius: 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
    .review-card .avatar {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: #e2e8f0;
      overflow: hidden;
      margin-bottom: 8px;
    }
    .review-card .avatar img { width: 100%; height: 100%; object-fit: cover; }
    .stars { color: #f59e0b; font-size: 0.9rem; letter-spacing: 2px; margin-bottom: 4px; }
    .quote { font-size: 0.85rem; color: #334155; font-style: italic; margin-bottom: 4px; }
    .author { font-weight: 600; font-size: 0.8rem; color: #0f172a; }

    .cta-footer {
      background: #0f172a;
      color: #fff;
      padding: 40px 32px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 28px;
    }
    .cta-btn {
      background: #ffffff;
      color: #0f172a;
      padding: 14px 36px;
      border-radius: 60px;
      font-weight: 700;
      font-size: 1.1rem;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 8px 16px -8px rgba(0,0,0,0.2);
      transition: 0.15s;
    }
    .cta-btn:hover { background: #f1f5f9; }
    .cta-small { font-size: 0.7rem; color: #94a3b8; margin-top: 8px; }

    /* mobile-first overrides */
    @media (max-width: 640px) {
      .grid-cols-2, .grid-cols-3, .grid-cols-4, .grid-cols-5, .grid-cols-6 {
        grid-template-columns: repeat(2,1fr);
      }
      .header-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
      }
      .header-grid > div:first-child {
        order: 2;
        text-align: center;
      }
      .header-grid > div:last-child {
        order: 1;
      }
      .header-image {
        height: 180px;
        min-height: 140px;
      }
      .flex-wrap-mobile { flex-wrap: wrap; }
      .px-6 { padding-left: 16px; padding-right: 16px; }
      .py-10 { padding-top: 28px; padding-bottom: 28px; }
      .cta-footer { flex-direction: column; text-align: center; }
      .cta-footer .flex { justify-content: center; }
      .cta-footer > div:last-child { align-items: center; }

      .header-grid h1 {
        font-size: 2.2rem !important;
      }
      .header-grid p {
        font-size: 1.1rem !important;
      }
      .header-grid .grid-cols-4 {
        grid-template-columns: repeat(2,1fr) !important;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
      }

      section.flex-wrap-mobile, section.flex-wrap {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      section.flex-wrap-mobile > div:first-child {
        flex: 0 0 auto;
      }
      section.flex-wrap-mobile > div:last-child {
        text-align: center;
      }
      section.flex-wrap-mobile .grid-cols-4 {
        grid-template-columns: repeat(2,1fr) !important;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
      }

      .cat-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        border-left: none;
        border-top: 3px solid #3b82f6;
        padding: 14px 10px;
      }
      .cat-item .icon-sm {
        margin-bottom: 4px;
      }

      .benefit-card .content {
        text-align: center;
      }

      .review-card {
        padding: 14px 10px;
      }

      .cta-footer h2 {
        font-size: 1.5rem !important;
      }
    }

    @media (min-width: 641px) and (max-width: 1024px) {
      .grid-cols-6 { grid-template-columns: repeat(3,1fr); }
    }