/* ============================================================
   VistaNova M&A Partners - Insight article pages (shared)
   Article shell, long-form prose, callouts, tables, FAQ, TOC.
   Used by all insight-*.html article pages. Marked-heading
   variants are opt-in via .mark-h2 / .mark-h3 on .vn-prose--marked.
   ============================================================ */
html{scroll-behavior:smooth}
  @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
  a.vn-tlink{color:var(--cyan-600);text-decoration:underline;text-decoration-color:rgba(0,188,212,.45);text-underline-offset:3px;transition:color .2s ease,text-decoration-color .2s ease}
  a.vn-tlink:hover{color:var(--indigo-800);text-decoration-color:var(--indigo-800)}
  .vn-readlink{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-ui);font-size:13.5px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--indigo-800);transition:color .25s ease}
  .vn-readlink .vn-i{transition:transform .25s ease}

  /* Featured editorial card */
  #vn-feat{display:grid;grid-template-columns:minmax(0,1fr);gap:34px;align-items:center}
  @media(min-width:900px){#vn-feat{grid-template-columns:minmax(0,62fr) minmax(0,38fr);gap:var(--space-12)}}
  a.vn-feat-t{color:var(--indigo-800);transition:color .25s ease}
  a.vn-feat-t:hover{color:var(--cyan-600)}
  #vn-feat .vn-featimg{overflow:hidden;border-radius:var(--radius-md);background:var(--indigo-900);aspect-ratio:4/3}
  #vn-feat .vn-featimg img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.1s cubic-bezier(.22,.61,.36,1)}
  #vn-feat:hover .vn-featimg img{transform:scale(1.04)}
  #vn-feat:hover .vn-readlink{color:var(--cyan-600)}
  #vn-feat:hover .vn-readlink .vn-i{transform:translateX(5px)}

  /* Latest insight cards */
  #vn-latest{display:grid;grid-template-columns:minmax(0,1fr);gap:34px}
  @media(min-width:840px){#vn-latest{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}}
  a.vn-inscard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--silver-300);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow .35s ease,transform .35s ease,border-color .35s ease}
  a.vn-inscard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--silver-500)}
  a.vn-inscard .vn-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--indigo-900)}
  a.vn-inscard .vn-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.1s cubic-bezier(.22,.61,.36,1)}
  a.vn-inscard:hover .vn-thumb img{transform:scale(1.05)}
  a.vn-inscard .vn-inst{transition:color .25s ease}
  a.vn-inscard:hover .vn-inst{color:var(--cyan-600)}
  a.vn-inscard:hover .vn-readlink{color:var(--cyan-600)}
  a.vn-inscard:hover .vn-readlink .vn-i{transform:translateX(5px)}

  /* ---- article shell ---- */
  #vn-artbody{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--space-10)}
  @media(min-width:1040px){#vn-artbody.has-toc{grid-template-columns:minmax(0,236px) minmax(0,1fr);gap:var(--space-16);align-items:start}}
  #vn-toc-mobile{display:block}
  #vn-toc-desk{display:none}
  @media(min-width:1040px){#vn-toc-mobile{display:none}#vn-toc-desk{display:block;position:sticky;top:112px}}
  #vn-toc-desk ol,#vn-toc-mobile ol{list-style:none;margin:0;padding:0;counter-reset:toc}
  a.vn-toclink{display:flex;gap:12px;font-family:var(--font-ui);font-size:13px;line-height:1.5;color:var(--ink-500);padding:9px 0 9px 14px;border-left:1px solid var(--silver-300);transition:color .22s ease,border-color .22s ease}
  a.vn-toclink::before{counter-increment:toc;content:counter(toc,decimal-leading-zero);color:var(--ink-300);font-size:11px;font-weight:700;letter-spacing:.06em;flex:none;transition:color .22s ease}
  a.vn-toclink:hover{color:var(--indigo-800);border-left-color:var(--cyan-500)}
  a.vn-toclink:hover::before{color:var(--cyan-600)}
  a.vn-toclink.active{color:var(--indigo-800);font-weight:700;border-left-color:var(--cyan-500)}
  a.vn-toclink.active::before{color:var(--cyan-600)}
  details.vn-tocm{border-top:1px solid var(--silver-500);border-bottom:1px solid var(--silver-500);padding:4px 0}
  details.vn-tocm>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;font-family:var(--font-ui);font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--indigo-800)}
  details.vn-tocm>summary::-webkit-details-marker{display:none}
  details.vn-tocm[open]>summary .vn-caret{transform:rotate(180deg)}

  /* ---- long-form prose ---- */
  .vn-prose{font-family:var(--font-body);color:var(--ink-700);font-size:17px;line-height:1.85;max-width:72ch}
  .vn-prose p{margin:0 0 28px;text-wrap:pretty}
  .vn-prose h2{font-family:var(--font-display);font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;line-height:1.18;letter-spacing:-0.01em;color:var(--indigo-800);margin:72px 0 26px;scroll-margin-top:112px;text-wrap:pretty}
  .vn-prose h2:first-child{margin-top:0}
  .vn-prose h3{font-family:var(--font-display);font-size:1.3125rem;font-weight:700;line-height:1.32;color:var(--indigo-800);margin:48px 0 18px;scroll-margin-top:112px;text-wrap:pretty}
  .vn-prose h2+h3{margin-top:32px}
  .vn-prose a{color:var(--cyan-600);text-decoration:underline;text-decoration-color:rgba(0,188,212,.4);text-underline-offset:3px;transition:color .2s ease,text-decoration-color .2s ease}
  .vn-prose a:hover{color:var(--indigo-800);text-decoration-color:var(--indigo-800)}
  .vn-prose strong{color:var(--indigo-800);font-weight:700}
  .vn-prose ul{margin:0 0 28px;padding-left:22px}
  .vn-prose li{margin-bottom:13px;text-wrap:pretty}
  .vn-prose hr{border:0;border-top:1px solid var(--silver-300);margin:64px 0}

  /* ---- key takeaways ---- */
  .vn-kt{background:var(--silver-100);border-top:2px solid var(--cyan-500);padding:36px 38px 34px;border-radius:0 0 var(--radius-md) var(--radius-md)}
  .vn-kt ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:18px}
  .vn-kt li{position:relative;padding-left:28px;font-family:var(--font-body);font-size:16px;line-height:1.72;color:var(--ink-700);text-wrap:pretty}
  .vn-kt li::before{content:"";position:absolute;left:0;top:11px;width:13px;height:1.5px;background:var(--cyan-500)}
  @media(max-width:620px){.vn-kt{padding:28px 22px}}

  /* ---- VistaNova Perspective callout ---- */
  .vn-persp{background:var(--cyan-100);border-left:3px solid var(--indigo-800);padding:34px 38px;margin:44px 0 40px}
  .vn-persp .vn-persp-l{font-family:var(--font-ui);font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan-600);margin-bottom:16px}
  .vn-persp p{font-family:var(--font-body);font-style:italic;font-size:18.5px;line-height:1.72;color:var(--indigo-800);margin:0;text-wrap:pretty}
  @media(max-width:620px){.vn-persp{padding:26px 22px}.vn-persp p{font-size:17px}}

  /* ---- data tables ---- */
  .vn-tablewrap{margin:12px 0 36px;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .vn-table{width:100%;min-width:560px;border-collapse:collapse;font-family:var(--font-ui);font-size:14.5px}
  .vn-table th{text-align:left;background:var(--indigo-800);color:#fff;padding:16px 22px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;border-right:1px solid rgba(255,255,255,.16)}
  .vn-table th:last-child,.vn-table td:last-child{border-right:0}
  .vn-table td{padding:20px 22px;border-top:1px solid var(--silver-300);border-right:1px solid var(--silver-300);color:var(--ink-700);line-height:1.68;vertical-align:top}
  .vn-table tbody tr:nth-child(2n){background:var(--silver-100)}
  .vn-table td strong{color:var(--indigo-800)}

  /* ---- Four Questions featured panel ---- */
  .vn-fourq{background:var(--indigo-800);border-left:3px solid var(--cyan-500);padding:40px 44px;margin:36px 0 44px;display:flex;flex-direction:column}
  .vn-fourq .vn-fq-row{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;padding:26px 0;border-top:1px solid rgba(255,255,255,.16)}
  .vn-fourq .vn-fq-row:first-of-type{border-top:0;padding-top:6px}
  @media(min-width:760px){.vn-fourq .vn-fq-row{grid-template-columns:minmax(0,200px) minmax(0,1fr);gap:32px}}
  .vn-fourq .vn-fq-n{font-family:var(--font-ui);font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--cyan-500);margin-bottom:8px}
  .vn-fourq .vn-fq-t{font-family:var(--font-display);font-size:1.25rem;font-weight:700;line-height:1.2;color:#fff}
  .vn-fourq .vn-fq-d{font-family:var(--font-body);font-size:15.5px;line-height:1.75;color:var(--indigo-100);margin:0;text-wrap:pretty}
  @media(max-width:620px){.vn-fourq{padding:30px 22px}}

  /* ---- Five Dimensions strip ---- */
  .vn-dims{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--silver-500);border:1px solid var(--silver-500);margin:32px 0 40px}
  @media(min-width:860px){.vn-dims{grid-template-columns:repeat(5,minmax(0,1fr))}}
  .vn-dims>div{background:#fff;padding:24px 20px 26px;display:flex;flex-direction:column;gap:12px;transition:background .25s ease}
  .vn-dims>div:hover{background:var(--cyan-100)}
  .vn-dims .vn-dim-n{font-family:var(--font-ui);font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--cyan-600)}
  .vn-dims .vn-dim-t{font-family:var(--font-display);font-size:1.0625rem;font-weight:700;line-height:1.25;color:var(--indigo-800)}

  /* ---- FAQ accordion ---- */
  details.vn-disc>summary::-webkit-details-marker{display:none}
  details.vn-disc>summary{list-style:none;color:var(--indigo-800);transition:color .2s ease}
  details.vn-disc[open]>summary .vn-caret{transform:rotate(180deg)}
  details.vn-disc>summary:hover{color:var(--cyan-600)}
  details.vn-disc[open]{border-top-color:var(--cyan-500)}
  details.vn-disc:not([open])>summary:hover .vn-caret{color:var(--cyan-600);transform:translateY(3px)}

  /* ---- CTA / related / author ---- */
  .vn-cta-anim{gap:10px;position:relative;transition:background .25s ease,border-color .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease}
  .vn-cta-anim .vn-i{transition:transform .25s ease}
  .vn-cta-anim:hover{transform:translateY(-2px);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px}
  .vn-cta-anim:hover .vn-i{transform:translateX(4px)}
  #vn-related{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
  @media(min-width:760px){#vn-related{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
  a.vn-relcard{display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--silver-300);border-top:2px solid var(--silver-500);padding:26px 28px 28px;transition:border-top-color .28s ease,transform .28s ease,box-shadow .28s ease}
  a.vn-relcard:hover{border-top-color:var(--cyan-500);transform:translateY(-3px);box-shadow:var(--shadow-md)}
  a.vn-relcard .vn-relt{font-family:var(--font-display);font-size:1.125rem;font-weight:700;line-height:1.3;color:var(--indigo-800);transition:color .25s ease;text-wrap:pretty}
  a.vn-relcard:hover .vn-relt{color:var(--cyan-600)}
  a.vn-relcard .vn-readlink{font-size:12px}
  a.vn-relcard:hover .vn-readlink{color:var(--cyan-600)}
  a.vn-relcard:hover .vn-readlink .vn-i{transform:translateX(4px)}

  /* row / card icons */
  .vn-fqicon{width:40px;height:40px;flex:none;border:1px solid rgba(255,255,255,0.28);background:rgba(255,255,255,0.06);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--cyan-500);margin-bottom:16px;transition:background .3s ease,border-color .3s ease,color .3s ease,transform .45s cubic-bezier(.2,.8,.2,1)}
  .vn-fourq .vn-fq-row{transition:background .28s ease}
  .vn-fourq .vn-fq-row:hover .vn-fqicon{background:var(--cyan-500);border-color:var(--cyan-500);color:var(--indigo-900);transform:rotate(-8deg) scale(1.08)}
  .vn-fourq .vn-fq-row .vn-fq-t{transition:color .25s ease}
  .vn-fourq .vn-fq-row:hover .vn-fq-t{color:var(--cyan-500)}
  .vn-dimicon{width:38px;height:38px;border:1px solid var(--silver-500);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--indigo-800);transition:background .3s ease,border-color .3s ease,color .3s ease,transform .45s cubic-bezier(.2,.8,.2,1)}
  .vn-dims>div:hover .vn-dimicon{background:var(--indigo-800);border-color:var(--indigo-800);color:var(--cyan-500);transform:rotate(-8deg) scale(1.08)}
  .vn-dims>div .vn-dim-t{transition:color .25s ease}
  .vn-dims>div:hover .vn-dim-t{color:var(--cyan-600)}
  .vn-tcell{display:flex;align-items:center;gap:14px}
  .vn-ticon{width:34px;height:34px;flex:none;border:1px solid var(--silver-500);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--indigo-800);transition:background .3s ease,border-color .3s ease,color .3s ease,transform .45s cubic-bezier(.2,.8,.2,1)}
  .vn-table tbody tr{transition:background .25s ease}
  .vn-table tbody tr:hover{background:var(--cyan-100)}
  .vn-table tbody tr:hover .vn-ticon{background:var(--indigo-800);border-color:var(--indigo-800);color:var(--cyan-500);transform:rotate(-8deg) scale(1.06)}
  /* marked section headings */
  /* h2-marked variant (Manufacturing / Energy articles) */
  .vn-prose--marked.mark-h2 h2{display:flex;align-items:flex-start;gap:16px;border-bottom:1px solid var(--silver-300);padding-bottom:16px}
  .vn-prose--marked.mark-h2 h2::before{content:"";flex:none;width:15px;height:15px;margin-top:.42em;border:2px solid var(--indigo-800);box-shadow:inset 0 0 0 3px #fff,inset 0 0 0 7px var(--cyan-500)}
  /* h3-marked variant (Sell a Business guide) */
  .vn-prose--marked.mark-h3 h3{display:flex;align-items:flex-start;gap:13px;border-bottom:1px solid var(--silver-300);padding-bottom:12px}
  .vn-prose--marked.mark-h3 h3::before{content:"";flex:none;width:11px;height:11px;margin-top:.48em;border:1.5px solid var(--indigo-800);box-shadow:inset 0 0 0 2px #fff,inset 0 0 0 5px var(--cyan-500)}