
  @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;700;800&display=swap');

  .ynrg {
    --yrg-brand: #134E95;
    --yrg-brand-dark: #0d396f;
    --yrg-brand-soft: #edf4fb;
    --yrg-ink: #17202b;
    --yrg-muted: #5d6876;
    --yrg-line: #d9e0e8;
    --yrg-surface: #f7f9fb;
    --yrg-white: #fff;
    --yrg-max: 1180px;
  }

  .ynrg, .ynrg *, .ynrg *::before, .ynrg *::after { box-sizing: border-box; }

  .ynrg {
    width: 100%; margin: 0; padding: 0;
    color: var(--yrg-ink) !important; background: var(--yrg-white);
    font-family: "Montserrat", Arial, Helvetica, sans-serif !important;
    font-size: 18px !important; font-weight: 300 !important; line-height: 1.5 !important;
    text-align: left;
  }

  .ynrg img { max-width: 100%; height: auto; }
  .ynrg a { color: var(--yrg-brand) !important; text-decoration: none; }
  .ynrg a:hover { color: var(--yrg-brand-dark) !important; }

  .ynrg h1, .ynrg h2, .ynrg h3, .ynrg h4 {
    font-family: "Montserrat", Arial, Helvetica, sans-serif !important;
    line-height: 1.22 !important; color: var(--yrg-ink) !important;
    text-align: left !important; letter-spacing: 0 !important;
  }
  .ynrg h1 { margin: 0 0 18px !important; font-size: 60px !important; font-weight: 800 !important; }
  .ynrg h2 { margin: 0 0 14px !important; font-size: 48px !important; font-weight: 800 !important; }
  .ynrg h3 { margin: 0 0 10px !important; font-size: 28px !important; font-weight: 800 !important; }
  .ynrg p { margin: 0 0 8px; color: inherit; font-family: inherit; }
  .ynrg p:last-child { margin-bottom: 0; }
  .ynrg ul, .ynrg ol { margin: 0; padding-left: 20px; color: inherit; font-family: inherit; font-size: inherit; }
  .ynrg li + li { margin-top: 7px; }
  .ynrg strong { font-weight: 700 !important; }

  /* ---- hero ---- */
  .ynrg-hero { border-bottom: 1px solid var(--yrg-line); background: var(--yrg-white); }
  .ynrg-hero-inner { width: min(calc(100% - 40px), var(--yrg-max)); margin-inline: auto; padding: 42px 0 38px; }
  .ynrg-eyebrow {
    margin: 0 0 10px !important; color: var(--yrg-brand) !important;
    font-size: 13px !important; font-weight: 800 !important;
    text-transform: uppercase !important; letter-spacing: .5px;
  }
  .ynrg-hero-copy { max-width: none !important; margin: 0 0 24px; color: var(--yrg-muted) !important; font-size: 20px !important; }

  /* ---- buttons (kept for consistency; hero has none) ---- */
  .ynrg-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
  .ynrg-btn {
    min-height: 44px; display: inline-flex; align-items: center; justify-content: center;
    gap: 9px; padding: 10px 16px; border: 1px solid var(--yrg-brand); border-radius: 4px;
    text-decoration: none !important; font-weight: 800 !important; font-size: 16px !important;
    font-family: "Montserrat", Arial, sans-serif !important; cursor: pointer;
  }
  .ynrg a.ynrg-btn-primary { color: var(--yrg-white) !important; background: var(--yrg-brand); }
  .ynrg a.ynrg-btn-primary:hover { color: var(--yrg-white) !important; background: var(--yrg-brand-dark); }
  .ynrg a.ynrg-btn-secondary { color: var(--yrg-brand) !important; background: var(--yrg-white); }
  .ynrg a.ynrg-btn-secondary:hover { color: var(--yrg-brand) !important; background: var(--yrg-brand-soft); }
  .ynrg-btn svg { width: 17px; height: 17px; }

  /* ---- shell + toc ---- */
  .ynrg-shell {
    width: min(calc(100% - 40px), var(--yrg-max)); margin-inline: auto;
    padding: 54px 0 76px; display: grid; grid-template-columns: 224px minmax(0, 1fr);
    gap: 56px; align-items: start;
  }
  .ynrg-toc-holder { align-self: stretch; min-width: 0; }
  .ynrg-toc { position: sticky; top: 24px; padding-right: 20px; border-right: 1px solid var(--yrg-line); max-height: calc(100vh - 48px); overflow-y: auto; }
  .ynrg-toc-title { margin: 0 0 10px; color: var(--yrg-muted) !important; font-size: 16px !important; font-weight: 800 !important; text-transform: uppercase; }
  .ynrg-toc ol { margin: 0; padding: 0; list-style: none; }
  .ynrg-toc a {
    display: block; padding: 7px 0 7px 12px; border-left: 2px solid transparent;
    color: var(--yrg-muted) !important; text-decoration: none !important; font-size: 16px !important;
    font-weight: 400 !important; line-height: 1.35; font-family: "Montserrat", Arial, sans-serif !important;
  }
  .ynrg-toc a:hover, .ynrg-toc a:focus { border-left-color: var(--yrg-brand); color: var(--yrg-brand) !important; }

  .ynrg-article { min-width: 0; width: 100%; }

  .ynrg-section { padding: 0 0 54px; margin-bottom: 54px; border-bottom: 1px solid var(--yrg-line); scroll-margin-top: 96px; }
  .ynrg-section:last-child { margin-bottom: 0; border-bottom: 0; }
  .ynrg-section-intro { max-width: none !important; margin: 0 0 24px; color: var(--yrg-muted) !important; font-size: 20px !important; }

  /* ---- numbered step cards ---- */
  .ynrg-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--yrg-line); background: var(--yrg-line); }
  .ynrg-steps--qc { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ynrg-step { min-width: 0; padding: 22px; background: var(--yrg-white); }
  .ynrg-step-num {
    width: 30px; height: 30px; margin-bottom: 14px; display: grid; place-items: center;
    border-radius: 50%; color: var(--yrg-white); background: var(--yrg-brand);
    font-size: 13px !important; font-weight: 800 !important;
  }
  .ynrg-step h3 { margin-bottom: 10px !important; font-size: 24px !important; }
  .ynrg-step p { margin: 0; color: var(--yrg-muted) !important; font-size: 18px !important; line-height: 1.45 !important; }

  .ynrg-subsection + .ynrg-subsection { margin-top: 36px; }
  .ynrg-subsection h3 { margin-bottom: 14px !important; }

  /* ---- tables ---- */
  .ynrg-table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--yrg-line); }
  .ynrg-table-wrap table {
    width: 100%; border-collapse: collapse; min-width: 640px;
    font-size: 14px !important; font-family: "Montserrat", Arial, sans-serif !important; color: var(--yrg-ink) !important;
  }
  .ynrg-table-wrap th, .ynrg-table-wrap td {
    padding: 13px 14px; border-right: 1px solid var(--yrg-line); border-bottom: 1px solid var(--yrg-line);
    text-align: left; vertical-align: top; font-weight: 400;
  }
  .ynrg-table-wrap th:last-child, .ynrg-table-wrap td:last-child { border-right: 0; }
  .ynrg-table-wrap tbody tr:last-child td { border-bottom: 0; }
  .ynrg-table-wrap th { color: var(--yrg-brand-dark) !important; background: var(--yrg-brand-soft); font-weight: 800 !important; }
  .ynrg-table-wrap tbody tr:nth-child(even) td { background: #fbfcfd; }
  .ynrg-table-note { margin: 10px 0 0; color: var(--yrg-muted) !important; font-size: 13px !important; }

  /* ---- faq ---- */
  .ynrg-faq-list { border-top: 1px solid var(--yrg-line); }
  .ynrg-faq-item { border-bottom: 1px solid var(--yrg-line); }
  .ynrg-faq-item summary {
    min-height: 64px; padding: 18px 46px 18px 0; display: flex; align-items: center; position: relative;
    cursor: pointer; color: var(--yrg-ink) !important; font-size: 20px !important; font-weight: 800 !important;
    font-family: "Montserrat", Arial, sans-serif !important; list-style: none;
  }
  .ynrg-faq-item summary::-webkit-details-marker { display: none; }
  .ynrg-faq-item summary::after {
    content: "+"; position: absolute; right: 8px; top: 50%; width: 28px; height: 28px;
    display: grid; place-items: center; transform: translateY(-50%); color: var(--yrg-brand);
    border: 1px solid var(--yrg-line); border-radius: 50%; font-size: 20px; font-weight: 400;
  }
  .ynrg-faq-item[open] summary::after { content: "\2212"; }
  .ynrg-faq-answer { max-width: 860px; padding: 0 46px 20px 0; color: var(--yrg-muted) !important; }
  .ynrg-faq-answer p { margin: 0; font-size: 18px !important; }

  /* ---- responsive ---- */
  @media (max-width: 980px) {
    .ynrg h1 { font-size: 48px !important; }
    .ynrg-shell { grid-template-columns: 1fr; gap: 28px; }
    .ynrg-toc { position: static; padding: 0 0 20px; border-right: 0; border-bottom: 1px solid var(--yrg-line); }
    .ynrg-toc ol { display: flex; flex-wrap: wrap; gap: 6px 18px; }
    .ynrg-toc a { padding: 4px 0; border-left: 0; }
    .ynrg-steps, .ynrg-steps--qc { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }

  @media (max-width: 720px) {
    .ynrg-hero-inner, .ynrg-shell { width: min(calc(100% - 28px), var(--yrg-max)); }
    .ynrg h1 { font-size: 40px !important; }
    .ynrg h2 { font-size: 34px !important; }
    .ynrg h3 { font-size: 24px !important; }
    .ynrg-hero-copy, .ynrg-section-intro { font-size: 20px !important; }
    .ynrg-shell { padding-top: 38px; }
    .ynrg-section { margin-bottom: 40px; padding-bottom: 40px; }
    .ynrg-steps, .ynrg-steps--qc { grid-template-columns: 1fr; }
    .ynrg-faq-answer { padding-right: 0; }
  }
