:root {
      --ink: #172026;
      --muted: #5f6b73;
      --line: #dbe3e8;
      --soft: #f5f8fa;
      --brand: #0f766e;
      --brand-dark: #0b4f4a;
      --accent: #b45309;
      --white: #ffffff;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      color: var(--ink);
      font-family: Arial, Helvetica, sans-serif;
      line-height: 1.65;
      background: var(--white);
    }

    a {
      color: var(--brand-dark);
      font-weight: 700;
      text-decoration-thickness: 2px;
      text-underline-offset: 3px;
    }

    img {
      max-width: 100%;
      display: block;
    }

    .hero {
      background:
        linear-gradient(90deg, rgba(12, 48, 45, .92), rgba(12, 48, 45, .62)),
        url("https://emmalaser.com/cdn/shop/files/rf-microneedling-vs-co2-laser-acne-scars.jpg") center/cover;
      color: var(--white);
      padding: 72px 20px 64px;
    }

    .wrap {
      max-width: 1120px;
      margin: 0 auto;
    }

    .hero-inner {
      max-width: 780px;
    }

    .eyebrow {
      margin: 0 0 14px;
      color: #bff4ed;
      font-size: 14px;
      font-weight: 700;
      letter-spacing: .08em;
      text-transform: uppercase;
    }

    h1 {
      margin: 0;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.06;
      letter-spacing: 0;
    }

    .hero p {
      max-width: 680px;
      margin: 22px 0 0;
      font-size: 19px;
      color: #ecfdfb;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 12px 18px;
      border-radius: 6px;
      border: 1px solid transparent;
      font-weight: 700;
      text-decoration: none;
    }

    .button.primary {
      background: var(--white);
      color: var(--brand-dark);
    }

    .button.secondary {
      border-color: rgba(255, 255, 255, .7);
      color: var(--white);
    }

    main {
      padding: 42px 20px 70px;
    }

    .layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 42px;
      align-items: start;
    }

    article {
      min-width: 0;
    }

    .toc {
      position: sticky;
      top: 20px;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--soft);
    }

    .toc h2 {
      margin-top: 0;
      font-size: 18px;
    }

    .toc a {
      display: block;
      margin: 10px 0;
      color: var(--ink);
      font-weight: 600;
      text-decoration: none;
    }

    .meta {
      color: var(--muted);
      font-size: 14px;
      margin: 0 0 24px;
    }

    h2 {
      margin: 44px 0 14px;
      font-size: 30px;
      line-height: 1.2;
      letter-spacing: 0;
    }

    h3 {
      margin: 26px 0 10px;
      font-size: 22px;
      line-height: 1.25;
      letter-spacing: 0;
    }

    p {
      margin: 0 0 18px;
    }

    .lead {
      font-size: 20px;
      color: #334149;
    }

    .note {
      padding: 16px 18px;
      border-left: 4px solid var(--brand);
      background: var(--soft);
      color: #26343b;
      margin: 24px 0;
    }

    .comparison {
      width: 100%;
      border-collapse: collapse;
      margin: 24px 0;
      font-size: 15px;
    }

    .comparison th,
    .comparison td {
      border: 1px solid var(--line);
      padding: 14px;
      vertical-align: top;
      text-align: left;
    }

    .comparison th {
      background: #eaf4f2;
    }

    .cta-band {
      margin: 42px 0;
      padding: 28px;
      border-radius: 8px;
      background: #0f302d;
      color: var(--white);
    }

    .cta-band h2 {
      margin-top: 0;
      color: var(--white);
    }

    .cta-band p {
      color: #e4fffb;
    }

    .cta-band .button {
      margin-top: 8px;
      background: var(--white);
      color: var(--brand-dark);
    }

    .checklist {
      padding-left: 20px;
    }

    .checklist li {
      margin-bottom: 10px;
    }

    .faq-item {
      border-top: 1px solid var(--line);
      padding: 20px 0;
    }

    .faq-item h3 {
      margin-top: 0;
    }

    .author-box {
      margin-top: 46px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: var(--soft);
    }

    @media (max-width: 860px) {
      .layout {
        grid-template-columns: 1fr;
      }

      .toc {
        position: static;
      }

      .hero {
        padding-top: 54px;
      }
    }

    @media (max-width: 560px) {
      .comparison,
      .comparison tbody,
      .comparison tr,
      .comparison th,
      .comparison td {
        display: block;
        width: 100%;
      }

      .comparison tr {
        margin-bottom: 14px;
        border: 1px solid var(--line);
      }

      .comparison th,
      .comparison td {
        border: 0;
        border-bottom: 1px solid var(--line);
      }
    }