*, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', system-ui, sans-serif;
      background: #0a0a0a;
      color: #e5e7eb;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a { color: #60a5fa; text-decoration: none; }
    a:hover { text-decoration: underline; }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(10, 10, 10, 0.92);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border-bottom: 1px solid #1f2937;
    }
    .site-header-inner {
      max-width: 760px;
      margin: 0 auto;
      padding: 14px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo {
      font-weight: 800;
      font-size: 1rem;
      letter-spacing: -0.01em;
      color: #f3f4f6;
    }
    .logo .accent { color: #60a5fa; }
    .header-cta {
      background: #2563eb;
      color: #fff;
      padding: 8px 14px;
      border-radius: 8px;
      font-size: 0.85rem;
      font-weight: 700;
      transition: background 0.15s;
    }
    .header-cta:hover { background: #3b82f6; text-decoration: none; }

    /* Article container */
    article {
      max-width: 720px;
      margin: 0 auto;
      padding: 40px 20px 80px;
    }

    /* Breadcrumb */
    .breadcrumb {
      font-size: 0.78rem;
      color: #6b7280;
      margin-bottom: 20px;
    }
    .breadcrumb a { color: #9ca3af; }
    .breadcrumb .sep { margin: 0 6px; opacity: 0.5; }

    /* Article title */
    h1 {
      font-size: clamp(1.85rem, 5vw, 2.6rem);
      line-height: 1.15;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: #fff;
      margin: 0 0 16px;
    }
    .meta {
      display: flex;
      gap: 12px;
      font-size: 0.82rem;
      color: #9ca3af;
      margin-bottom: 36px;
      flex-wrap: wrap;
    }
    .meta .dot { opacity: 0.4; }
    .meta time { color: #9ca3af; }

    /* Lead */
    .lead {
      font-size: 1.18rem;
      line-height: 1.65;
      color: #d1d5db;
      margin-bottom: 28px;
    }
    .lead strong { color: #fff; }

    /* Body */
    h2 {
      font-size: 1.5rem;
      font-weight: 800;
      letter-spacing: -0.01em;
      color: #fff;
      margin: 48px 0 16px;
      line-height: 1.3;
    }
    h2 .num {
      display: inline-block;
      width: 28px;
      height: 28px;
      line-height: 28px;
      border-radius: 8px;
      background: rgba(96, 165, 250, 0.15);
      color: #60a5fa;
      text-align: center;
      font-size: 0.85rem;
      margin-right: 10px;
      vertical-align: 2px;
    }
    h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #f3f4f6;
      margin: 28px 0 8px;
    }
    p {
      margin: 0 0 16px;
      color: #d1d5db;
    }
    p strong { color: #fff; }
    ul {
      margin: 0 0 20px;
      padding-left: 22px;
      color: #d1d5db;
    }
    li { margin-bottom: 8px; }
    li::marker { color: #6b7280; }

    /* Pull quote */
    .pull {
      border-left: 3px solid #60a5fa;
      background: rgba(96, 165, 250, 0.06);
      padding: 18px 22px;
      margin: 32px 0;
      font-size: 1.08rem;
      color: #f3f4f6;
      font-weight: 500;
      border-radius: 4px;
      line-height: 1.55;
    }

    /* Highlight box (key insight) */
    .insight {
      background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), rgba(239, 68, 68, 0.06));
      border: 1px solid rgba(249, 115, 22, 0.25);
      border-radius: 14px;
      padding: 22px 24px;
      margin: 36px 0;
    }
    .insight-label {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: #fb923c;
      margin-bottom: 8px;
    }
    .insight h3 {
      margin: 0 0 8px;
      color: #fff;
      font-size: 1.15rem;
    }
    .insight p { color: #e5e7eb; margin-bottom: 0; }

    /* Checklist */
    .checklist {
      background: #111827;
      border: 1px solid #1f2937;
      border-radius: 14px;
      padding: 22px 24px;
      margin: 28px 0;
    }
    .checklist h3 { margin-top: 0; color: #fff; }
    .checklist ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .checklist li {
      position: relative;
      padding-left: 28px;
      margin-bottom: 10px;
      color: #e5e7eb;
    }
    .checklist li::before {
      content: '✓';
      position: absolute;
      left: 0;
      top: 0;
      color: #10b981;
      font-weight: 800;
    }
    .checklist li:last-child { margin-bottom: 0; }

    /* CTA card */
    .cta-card {
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(6, 182, 212, 0.08));
      border: 1px solid rgba(96, 165, 250, 0.3);
      border-radius: 18px;
      padding: 28px 26px;
      margin: 48px 0;
      text-align: center;
    }
    .cta-card h3 {
      margin: 0 0 10px;
      font-size: 1.3rem;
      color: #fff;
    }
    .cta-card p {
      color: #d1d5db;
      margin-bottom: 18px;
    }
    .cta-button {
      display: inline-block;
      background: #2563eb;
      color: #fff;
      padding: 14px 28px;
      border-radius: 12px;
      font-weight: 700;
      font-size: 1rem;
      transition: background 0.15s, transform 0.15s;
      box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
    }
    .cta-button:hover {
      background: #3b82f6;
      transform: translateY(-1px);
      text-decoration: none;
    }
    .cta-secondary {
      display: block;
      margin-top: 12px;
      font-size: 0.85rem;
      color: #9ca3af;
    }

    /* Inline link emphasis */
    .inline-cta {
      color: #60a5fa;
      font-weight: 700;
      border-bottom: 1px solid rgba(96, 165, 250, 0.4);
    }
    .inline-cta:hover {
      border-bottom-color: #60a5fa;
      text-decoration: none;
    }

    /* Final CTA section */
    .final-cta {
      background: linear-gradient(135deg, #1e3a8a, #1e40af);
      border-radius: 20px;
      padding: 40px 32px;
      margin: 56px 0 0;
      text-align: center;
    }
    .final-cta h2 {
      margin: 0 0 12px;
      color: #fff;
      font-size: 1.8rem;
    }
    .final-cta p {
      color: #dbeafe;
      margin-bottom: 24px;
      font-size: 1.05rem;
    }
    .final-cta .cta-button {
      background: #fff;
      color: #1e40af;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    }
    .final-cta .cta-button:hover { background: #f3f4f6; }

    /* Footer */
    footer {
      max-width: 720px;
      margin: 0 auto;
      padding: 30px 20px 60px;
      text-align: center;
      font-size: 0.82rem;
      color: #6b7280;
      border-top: 1px solid #1f2937;
    }
    footer a { color: #9ca3af; }
    footer .footer-links { margin-bottom: 8px; }
    footer .footer-links a { margin: 0 8px; }