:root {
      --navy: #102a43;
      --navy-2: #183b5d;
      --ink: #172b3a;
      --muted: #607080;
      --purple: #7254c7;
      --purple-dark: #4b348f;
      --lavender: #f2efff;
      --blue-soft: #edf7fb;
      --cyan: #45bdd5;
      --line: #dce6ee;
      --surface: #ffffff;
      --background: #f5f8fb;
      --warning-bg: #fff7ed;
      --warning-border: #f1b36a;
      --shadow: 0 18px 50px rgba(16, 42, 67, 0.10);
      --radius: 22px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--background);
      font-family: Inter, Arial, Helvetica, sans-serif;
      line-height: 1.75;
    }

    a {
      color: var(--purple-dark);
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    .article-page {
      max-width: 1180px;
      margin: 0 auto;
      padding: 32px 20px 70px;
    }

    .hero {
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(circle at 85% 10%, rgba(114, 84, 199, 0.24), transparent 32%),
        linear-gradient(135deg, #102a43 0%, #183b5d 64%, #315d82 100%);
      border-radius: 28px;
      color: #ffffff;
      padding: 68px 72px;
      box-shadow: var(--shadow);
    }

    .hero::after {
      content: "";
      position: absolute;
      width: 330px;
      height: 330px;
      right: -100px;
      bottom: -140px;
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 50%;
      box-shadow:
        0 0 0 34px rgba(255,255,255,0.04),
        0 0 0 68px rgba(255,255,255,0.035);
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 820px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin-bottom: 20px;
      color: #d8cdff;
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.15em;
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 28px;
      height: 2px;
      background: var(--cyan);
    }

    h1,
    h2,
    h3 {
      line-height: 1.2;
      margin-top: 0;
    }

    h1 {
      max-width: 790px;
      margin-bottom: 22px;
      font-size: clamp(2.25rem, 5vw, 4.55rem);
      letter-spacing: -0.045em;
    }

    .hero-lead {
      max-width: 720px;
      margin: 0;
      color: #e8f2fa;
      font-size: 1.1rem;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      margin-top: 30px;
      color: #c7d7e5;
      font-size: 0.9rem;
    }

    .meta-row span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .meta-row span::before {
      content: "•";
      color: var(--cyan);
      font-weight: 800;
    }

    .content-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 300px;
      gap: 28px;
      margin-top: 30px;
      align-items: start;
    }

    .article-card,
    .side-card,
    .answer-card,
    .comparison-card,
    .faq-card,
    .cta-card {
      background: var(--surface);
      border: 1px solid rgba(220, 230, 238, 0.9);
      border-radius: var(--radius);
      box-shadow: 0 12px 35px rgba(16, 42, 67, 0.055);
    }

    .article-card {
      padding: clamp(26px, 5vw, 58px);
    }

    .article-card h2 {
      margin-top: 52px;
      margin-bottom: 18px;
      color: var(--navy);
      font-size: clamp(1.65rem, 3vw, 2.35rem);
      letter-spacing: -0.025em;
    }

    .article-card h2:first-child {
      margin-top: 0;
    }

    .article-card h3 {
      margin-top: 28px;
      margin-bottom: 10px;
      color: var(--purple-dark);
      font-size: 1.25rem;
    }

    .article-card p {
      margin: 0 0 18px;
    }

    .article-card ul,
    .article-card ol {
      margin: 0 0 22px;
      padding-left: 22px;
    }

    .article-card li {
      margin-bottom: 9px;
    }

    .answer-card {
      margin-bottom: 28px;
      padding: 28px 30px;
      background:
        linear-gradient(135deg, rgba(242,239,255,0.96), rgba(237,247,251,0.96));
      border-left: 5px solid var(--purple);
    }

    .answer-card strong {
      color: var(--purple-dark);
    }

    .answer-label {
      margin-bottom: 9px;
      color: var(--purple-dark);
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.13em;
      text-transform: uppercase;
    }

    .answer-card p:last-child {
      margin-bottom: 0;
    }

    .key-point-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
      margin: 28px 0;
    }

    .key-point {
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: #fbfdff;
    }

    .key-point .number {
      display: inline-flex;
      width: 32px;
      height: 32px;
      align-items: center;
      justify-content: center;
      margin-bottom: 12px;
      border-radius: 50%;
      color: #ffffff;
      background: var(--purple);
      font-size: 0.9rem;
      font-weight: 800;
    }

    .key-point h3 {
      margin-bottom: 8px;
      color: var(--navy);
      font-size: 1.08rem;
    }

    .key-point p {
      margin: 0;
      color: var(--muted);
      font-size: 0.94rem;
    }

    .comparison-card {
      margin: 28px 0;
      overflow: hidden;
    }

    .comparison-header {
      padding: 25px 28px;
      color: #ffffff;
      background: linear-gradient(135deg, var(--navy), var(--navy-2));
    }

    .comparison-header h2 {
      margin: 0;
      color: #ffffff;
    }

    .table-wrap {
      overflow-x: auto;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 680px;
      background: #ffffff;
    }

    th,
    td {
      padding: 18px 20px;
      border-bottom: 1px solid var(--line);
      text-align: left;
      vertical-align: top;
    }

    th {
      color: var(--navy);
      background: #f6f9fc;
      font-size: 0.88rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    td:first-child {
      width: 23%;
      color: var(--navy);
      font-weight: 800;
    }

    tr:last-child td {
      border-bottom: 0;
    }

    .rf-cell {
      background: rgba(242, 239, 255, 0.48);
    }

    .traditional-cell {
      background: rgba(237, 247, 251, 0.42);
    }

    .decision-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin: 24px 0;
    }

    .decision-card {
      padding: 24px 20px;
      border-radius: 18px;
      background: #ffffff;
      border: 1px solid var(--line);
    }

    .decision-card h3 {
      margin-bottom: 10px;
      color: var(--navy);
      font-size: 1.05rem;
    }

    .decision-card p {
      margin: 0;
      color: var(--muted);
      font-size: 0.93rem;
    }

    .safety-note {
      margin: 32px 0;
      padding: 25px 28px;
      border: 1px solid var(--warning-border);
      border-left: 5px solid #e99435;
      border-radius: 16px;
      background: var(--warning-bg);
    }

    .safety-note h3 {
      margin-bottom: 9px;
      color: #874d13;
      font-size: 1.1rem;
    }

    .safety-note p {
      margin-bottom: 12px;
    }

    .safety-note p:last-child {
      margin-bottom: 0;
    }

    .clinic-checklist {
      display: grid;
      gap: 12px;
      margin: 22px 0;
    }

    .check-item {
      display: grid;
      grid-template-columns: 30px 1fr;
      gap: 12px;
      align-items: start;
      padding: 17px 18px;
      border: 1px solid var(--line);
      border-radius: 15px;
      background: #fbfdff;
    }

    .check-item::before {
      content: "✓";
      display: inline-flex;
      width: 25px;
      height: 25px;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: #ffffff;
      background: var(--purple);
      font-size: 0.82rem;
      font-weight: 800;
    }

    .check-item strong {
      color: var(--navy);
    }

    .cta-card {
      margin-top: 42px;
      padding: 32px;
      color: #ffffff;
      background:
        radial-gradient(circle at 88% 20%, rgba(216, 205, 255, 0.25), transparent 32%),
        linear-gradient(135deg, var(--purple-dark), var(--navy));
    }

    .cta-card h2 {
      margin-bottom: 12px;
      color: #ffffff;
      font-size: 1.8rem;
    }

    .cta-card p {
      max-width: 720px;
      color: #eeeafe;
    }

    .cta-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-top: 10px;
      padding: 13px 20px;
      border-radius: 999px;
      color: var(--navy);
      background: #ffffff;
      font-weight: 800;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .cta-button:hover {
      text-decoration: none;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.18);
    }

    .sources {
      margin-top: 42px;
      padding-top: 28px;
      border-top: 1px solid var(--line);
    }

    .sources h2 {
      margin-top: 0;
      font-size: 1.45rem;
    }

    .sources ol {
      color: var(--muted);
      font-size: 0.9rem;
    }

    .sources a {
      overflow-wrap: anywhere;
    }

    .side-column {
      display: grid;
      gap: 20px;
      position: sticky;
      top: 22px;
    }

    .side-card {
      padding: 24px;
    }

    .side-card h2 {
      margin-bottom: 14px;
      color: var(--navy);
      font-size: 1.2rem;
    }

    .side-card p {
      margin: 0;
      color: var(--muted);
      font-size: 0.92rem;
    }

    .side-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .side-list li {
      padding: 11px 13px;
      border-radius: 12px;
      color: var(--navy);
      background: var(--lavender);
      font-size: 0.88rem;
      font-weight: 700;
    }

    .faq-card {
      margin-top: 28px;
      padding: 28px;
    }

    .faq-card h2 {
      margin-top: 0;
      color: var(--navy);
    }

    details {
      padding: 17px 0;
      border-bottom: 1px solid var(--line);
    }

    details:last-child {
      border-bottom: 0;
    }

    summary {
      cursor: pointer;
      color: var(--navy);
      font-weight: 800;
    }

    details p {
      margin: 12px 0 0;
      color: var(--muted);
    }

    .disclaimer {
      margin-top: 26px;
      color: #71808e;
      font-size: 0.82rem;
    }

    @media (max-width: 900px) {
      .content-grid {
        grid-template-columns: 1fr;
      }

      .side-column {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 680px) {
      .article-page {
        padding: 14px 12px 40px;
      }

      .hero {
        padding: 42px 26px;
        border-radius: 22px;
      }

      .article-card {
        padding: 26px 20px;
      }

      .key-point-grid,
      .decision-grid,
      .side-column {
        grid-template-columns: 1fr;
      }

      .answer-card,
      .faq-card,
      .cta-card,
      .safety-note {
        padding: 22px 20px;
      }

      h1 {
        font-size: 2.35rem;
      }
    }