/* full-bleed rotating hero */
  #top{position:relative;overflow:hidden;background:#0b1024;min-height:70vh;display:flex;align-items:flex-end}
  @media(min-width:900px){#top{min-height:85vh}}
  .vn-heroimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block;z-index:0;opacity:0;animation:vnHeroCycle 24s linear infinite}
  .vn-heroimg:nth-of-type(1){animation-delay:0s}
  .vn-heroimg:nth-of-type(2){animation-delay:6s}
  .vn-heroimg:nth-of-type(3){animation-delay:12s}
  .vn-heroimg:nth-of-type(4){animation-delay:18s}
  @keyframes vnHeroCycle{0%{opacity:1}25%{opacity:1}29.17%{opacity:0}95.83%{opacity:0}100%{opacity:1}}
  @media(prefers-reduced-motion:reduce){.vn-heroimg{animation:none}.vn-heroimg:nth-of-type(1){opacity:1}}
  #vn-hero-scrim{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(to top right,rgba(6,10,30,.95) 0%,rgba(6,10,30,.84) 26%,rgba(8,13,38,.58) 54%,rgba(10,16,44,.26) 80%,rgba(12,18,50,.10) 100%)}
  @media(max-width:899px){#vn-hero-scrim{background:linear-gradient(to top right,rgba(6,10,30,.97) 0%,rgba(6,10,30,.92) 28%,rgba(8,13,38,.78) 58%,rgba(10,16,44,.52) 100%)}}
  #vn-hero-inner{position:relative;z-index:2;width:100%;padding:150px 0 clamp(56px,9vh,104px)}
  @media(min-width:900px){#vn-hero-inner{padding:190px 0 clamp(72px,10vh,120px)}}
  .vn-hero-btn{background:#fff;color:var(--indigo-900);border-color:#fff}
  .vn-hero-btn:hover{background:var(--cyan-500);border-color:var(--cyan-500);color:var(--indigo-900)}
  .vn-hero-btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,0.55)}
  .vn-hero-btn--ghost:hover{background:var(--cyan-500);border-color:var(--cyan-500);color:var(--indigo-900)}

  /* CTA hover sweep (shared with other pages) */
  .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)}
  .vn-cta-anim:hover .vn-i{transform:translateX(4px)}
  .vn-cta-anim::after{content:"";position:absolute;left:32px;right:32px;bottom:11px;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .28s ease}
  .vn-cta-anim:hover::after{transform:scaleX(1)}
  .vn-outline-anim{gap:10px;position:relative;transition:background .25s ease,border-color .25s ease,color .25s ease,transform .25s ease}
  .vn-outline-anim .vn-i{transition:transform .25s ease}
  .vn-outline-anim:hover{transform:translateY(-2px)}
  .vn-outline-anim:hover .vn-i{transform:translateX(4px)}
  .vn-outline-anim::after{content:"";position:absolute;left:32px;right:32px;bottom:11px;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .28s ease}
  .vn-outline-anim:hover::after{transform:scaleX(1)}
  #vn-nav.solid .vn-navcta:hover{background:var(--cyan-500);border-color:var(--cyan-500);color:var(--indigo-900)}

  /* labelled prose blocks on indigo */
  .vn-wa-icon{background:rgba(0,188,212,0.12);border:1px solid rgba(0,188,212,0.45);color:var(--cyan-500);transition:background .3s ease,border-color .3s ease,color .3s ease,transform .4s cubic-bezier(.2,.8,.2,1)}
  .vn-wa-block{transition:transform .35s ease,border-color .3s ease}
  .vn-wa-block:hover{transform:translateY(-4px);border-top-color:#fff}
  .vn-wa-block:hover .vn-wa-icon{background:var(--cyan-500);border-color:var(--cyan-500);color:var(--indigo-800);transform:translateY(-2px) rotate(-8deg) scale(1.1)}

  /* light labelled prose blocks */
  .vn-lb-block{transition:transform .35s ease,border-top-color .3s ease}
  .vn-lb-icon{background:rgba(19,30,95,0.05);border:1px solid rgba(19,30,95,0.18);color:var(--indigo-800);transition:background .3s ease,border-color .3s ease,color .3s ease,transform .4s cubic-bezier(.2,.8,.2,1)}
  .vn-lb-block:hover{transform:translateY(-4px);border-top-color:var(--cyan-500)}
  .vn-lb-block:hover .vn-lb-icon{background:var(--indigo-800);border-color:var(--indigo-800);color:#fff;transform:rotate(-8deg) scale(1.08)}

  /* buyer / service rows */
  .vn-buyer-row{position:relative;transition:transform .3s ease,box-shadow .3s ease,background .3s ease}
  .vn-buyer-row .vn-specicon{transition:background .3s ease,border-color .3s ease,color .3s ease,transform .4s cubic-bezier(.2,.8,.2,1)}
  .vn-buyer-title{color:var(--indigo-800);transition:color .25s ease}
  .vn-buyer-row:hover{transform:translateY(-5px);background:#fff;box-shadow:var(--shadow-lg);border-radius:var(--radius-sm);z-index:2}
  .vn-buyer-row:hover .vn-specicon{background:var(--indigo-800);border-color:var(--indigo-800);color:#fff;transform:rotate(-8deg) scale(1.08)}
  .vn-buyer-row:hover .vn-buyer-title{color:var(--cyan-600)}
  .vn-svc-arrow{opacity:0;transform:translateX(-6px);transition:opacity .25s ease,transform .25s ease;color:var(--cyan-600)}
  .vn-buyer-row:hover .vn-svc-arrow{opacity:1;transform:translateX(0)}
  .vn-svc-tag{font-family:var(--font-ui);font-size:10.5px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink-500);border:1px solid var(--color-border);border-radius:999px;padding:3px 10px;white-space:nowrap}

  /* provider-dependent vs scalable comparison */
  #vn-compare{display:grid;grid-template-columns:minmax(0,1fr);gap:22px}
  @media(min-width:960px){#vn-compare{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:0}}
  .vn-cmp{background:#fff;border:1px solid var(--color-border);border-top:2px solid var(--cyan-500);border-radius:var(--radius-md);padding:34px 32px;display:flex;flex-direction:column;gap:16px;transition:transform .35s ease,box-shadow .35s ease,border-top-color .3s ease}
  .vn-cmp:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-top-color:var(--indigo-800)}
  .vn-cmp-glyph{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none;background:rgba(0,188,212,0.10);border:1px solid rgba(0,188,212,0.45);color:var(--cyan-600);transition:background .3s ease,border-color .3s ease,color .3s ease,transform .4s cubic-bezier(.2,.8,.2,1)}
  .vn-cmp:hover .vn-cmp-glyph{background:var(--indigo-800);border-color:var(--indigo-800);color:#fff;transform:rotate(-8deg) scale(1.08)}
  .vn-cmp-title{font-family:var(--font-display);font-size:1.375rem;font-weight:700;line-height:1.25;color:var(--indigo-800)}
  .vn-cmp-vs{display:flex;align-items:center;justify-content:center;position:relative;padding:8px 0}
  .vn-cmp-vs span{position:relative;z-index:1;width:52px;height:52px;border-radius:50%;background:var(--silver-100);border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-family:var(--font-ui);font-size:12px;font-weight:700;letter-spacing:0.1em;color:var(--indigo-800)}
  @media(min-width:960px){
    .vn-cmp-vs{padding:0 30px}
    .vn-cmp-vs::before{content:"";position:absolute;top:8px;bottom:8px;left:50%;width:1px;background:var(--color-border)}
  }

  /* value + prep callouts and two-column checklists */
  .vn-callout{background:#fff;border:1px solid var(--color-border);border-left:3px solid var(--cyan-500);border-radius:var(--radius-md);padding:30px 32px;margin-top:38px;max-width:96ch}
  .vn-2col{display:grid;grid-template-columns:minmax(0,1fr);gap:14px 48px}
  @media(min-width:900px){.vn-2col{grid-template-columns:repeat(2,minmax(0,1fr))}}
  .vn-note{font-family:var(--font-body);font-size:14px;line-height:1.7;color:var(--ink-500);margin:26px 0 0;max-width:84ch;text-wrap:pretty}

  /* recurring vs project pairing */
  .vn-pair{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
  @media(min-width:760px){.vn-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
  .vn-pair-card{border:1px solid var(--color-border);border-top:2px solid var(--indigo-800);border-radius:var(--radius-md);background:#fff;padding:26px 28px;display:flex;flex-direction:column;gap:14px;transition:transform .3s ease,box-shadow .3s ease,border-top-color .3s ease}
  .vn-pair-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-top-color:var(--cyan-500)}
  .vn-pair-icon{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(19,30,95,0.05);border:1px solid rgba(19,30,95,0.18);color:var(--indigo-800);flex:none;transition:background .3s ease,border-color .3s ease,color .3s ease}
  .vn-pair-card:hover .vn-pair-icon{background:var(--indigo-800);border-color:var(--indigo-800);color:#fff}
  .vn-pair-label{font-family:var(--font-ui);font-size:12.5px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--indigo-800)}
  .vn-pair-note{font-family:var(--font-body);font-size:14.5px;line-height:1.7;color:var(--ink-700);margin:0;text-wrap:pretty}

  /* sub-industry grid */
  #vn-subgrid{display:grid;grid-template-columns:minmax(0,1fr);gap:22px}
  @media(min-width:720px){#vn-subgrid{grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-flow:row dense}}
  @media(min-width:1080px){#vn-subgrid{grid-template-columns:repeat(4,minmax(0,1fr))}}
  .vn-sub{position:relative;aspect-ratio:4/5;border-radius:var(--radius-md);overflow:hidden;background:#0e1424;opacity:0;transform:translateY(20px);transition:opacity .65s cubic-bezier(.22,.61,.36,1),transform .65s cubic-bezier(.22,.61,.36,1),box-shadow .45s ease}
  .vn-sub.in{opacity:1;transform:none}
  .vn-sub img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:filter .5s ease-in-out,transform .6s cubic-bezier(.22,.61,.36,1)}
  .vn-sub-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,15,56,0) 38%,rgba(10,15,56,.52) 66%,rgba(10,15,56,.92) 100%);transition:background .5s ease}
  .vn-sub-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px 20px 22px}
  .vn-sub-rule{display:block;width:34px;height:2px;background:var(--cyan-500);transform-origin:left;margin-bottom:12px}
  .vn-sub-name{font-family:var(--font-display);font-size:1.0625rem;font-weight:700;line-height:1.25;color:#fff;margin:0;text-wrap:pretty}
  .vn-sub-desc{font-family:var(--font-body);font-size:12.5px;line-height:1.6;color:#E4E9F7;margin:10px 0 0;text-wrap:pretty}
  @media(hover:hover) and (min-width:900px){
    .vn-sub img{filter:grayscale(1) contrast(1.05)}
    .vn-sub-rule{opacity:0;transform:scaleX(.25);transition:opacity .4s ease .05s,transform .45s cubic-bezier(.22,.61,.36,1) .05s}
    .vn-sub-desc{max-height:0;opacity:0;margin-top:0;overflow:hidden;transition:max-height .5s cubic-bezier(.22,.61,.36,1),opacity .4s ease,margin-top .5s ease}
    .vn-sub:hover{transform:translateY(-6px);box-shadow:0 26px 54px rgba(10,15,56,.34)}
    .vn-sub:hover img{filter:grayscale(0) contrast(1);transform:scale(1.08)}
    .vn-sub:hover .vn-sub-scrim{background:linear-gradient(180deg,rgba(10,15,56,0) 22%,rgba(10,15,56,.62) 54%,rgba(10,15,56,.95) 100%)}
    .vn-sub:hover .vn-sub-rule{opacity:1;transform:scaleX(1)}
    .vn-sub:hover .vn-sub-desc{max-height:320px;opacity:1;margin-top:10px}
  }
  @media(prefers-reduced-motion:reduce){.vn-sub{opacity:1!important;transform:none!important}}

  /* checklists */
  .vn-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
  .vn-list li{display:flex;gap:14px;align-items:flex-start;font-family:var(--font-body);font-size:15.5px;line-height:1.7;color:var(--ink-700);text-wrap:pretty}
  .vn-list li::before{content:"";flex:none;width:7px;height:7px;margin-top:9px;background:var(--cyan-500);transform:rotate(45deg)}

  /* FAQ */
  details.vn-disc > summary::-webkit-details-marker{display:none}
  details.vn-disc > summary{list-style:none;color:var(--indigo-800)}
  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)}

  #why-vistanova .vn-service-card{background:var(--indigo-800);border:1px solid rgba(255,255,255,0.16);border-top:2px solid rgba(0,188,212,0.5);box-shadow:0 16px 36px rgba(0,0,0,.34)}
  #why-vistanova .vn-service-card:hover{border-color:rgba(255,255,255,0.3);border-top-color:var(--cyan-500);transform:translateY(-7px);box-shadow:0 26px 54px rgba(0,0,0,.44)}
  #why-vistanova .vn-service-title{color:#fff}
  #why-vistanova .vn-glyph{background:transparent;border-color:rgba(255,255,255,0.28);color:var(--cyan-500);transition:background .3s ease,border-color .3s ease,color .3s ease,transform .4s cubic-bezier(.2,.8,.2,1)}
  #why-vistanova .vn-service-card:hover .vn-glyph{background:var(--cyan-500);border-color:var(--cyan-500);color:var(--indigo-800);transform:rotate(-8deg) scale(1.08)}

  /* scope note */
  .vn-scope{background:var(--silver-100);border:1px solid var(--color-border);border-left:3px solid var(--indigo-800);border-radius:var(--radius-md);padding:28px 32px}
  .vn-scope a,.vn-note a{color:var(--indigo-800);text-decoration:underline;text-decoration-color:var(--cyan-500);text-underline-offset:3px}
  .vn-scope a:hover,.vn-note a:hover{color:var(--cyan-600)}

  /* sub-industry cross references */
  .vn-sub-xref{display:block;margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.2);font-family:var(--font-ui);font-size:11.5px;line-height:1.55;color:var(--cyan-300)}
  .vn-sub-desc a{color:#fff;text-decoration:underline;text-decoration-color:var(--cyan-500);text-underline-offset:2px}
  .vn-sub-desc a:hover{color:var(--cyan-300)}

  /* services: linked vs not-yet-linked */
  .vn-svc-link .vn-svc-arrow{opacity:1;transform:none}
  .vn-svc-link:hover .vn-svc-arrow{transform:translateX(4px)}


    /* THREE DISTINCTIONS — spectrum bars */
  .vn-spectrums{display:block}
  .vn-spec-blk{display:grid;grid-template-columns:minmax(0,1fr);gap:26px}
  @media(min-width:1000px){.vn-spec-blk{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}}
  .vn-spec-num{font-family:var(--font-ui);font-size:11px;font-weight:700;letter-spacing:0.18em;color:var(--cyan-600);margin-bottom:16px}
  .vn-spec-poles{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:14px}
  .vn-spec-pole{font-family:var(--font-ui);font-size:12.5px;font-weight:700;letter-spacing:0.09em;text-transform:uppercase;line-height:1.4;color:var(--indigo-800);max-width:20ch}
  .vn-spec-pole--b{text-align:right;color:var(--cyan-600)}
  .vn-spec-bar{position:relative;height:16px;border-radius:999px;overflow:hidden;background:#fff;border:1px solid var(--silver-500)}
  .vn-spec-fill{position:absolute;inset:0;transform:scaleX(0);transform-origin:left;background:linear-gradient(90deg,#1B2A73 0%,#2E4694 38%,#4C6ABF 68%,#7FA8D9 88%,var(--cyan-500) 100%);transition:transform 1.25s cubic-bezier(.22,.61,.36,1)}
  .vn-spec-sheen{position:absolute;top:0;bottom:0;width:22%;background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.5) 50%,rgba(255,255,255,0) 100%);opacity:0;transform:translateX(-120%)}
  .vn-spec-ticks{display:flex;justify-content:space-between;margin-top:10px}
  .vn-spec-ticks span{display:block;width:1px;height:7px;background:var(--silver-500)}
  @keyframes vnSheen{0%{opacity:0;transform:translateX(-120%)}18%{opacity:1}100%{opacity:0;transform:translateX(520%)}}
  .vn-spec-title{font-family:var(--font-display);font-size:clamp(1.25rem,1.9vw,1.5rem);font-weight:700;line-height:1.3;color:var(--indigo-900);margin:0 0 14px;text-wrap:pretty}
  @media(prefers-reduced-motion:reduce){.vn-spec-fill{transform:scaleX(1)}.vn-spec-sheen{display:none}}

  
  .vn-spectrums.in .vn-spec-fill{transform:scaleX(1)}
  .vn-spectrums.in .vn-spec-sheen{animation:vnSheen 1.5s cubic-bezier(.22,.61,.36,1) .15s 1}
  .vn-spec-sides{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;margin-top:34px}
  @media(min-width:900px){.vn-spec-sides{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px}}
  .vn-spec-side{border-top:2px solid var(--indigo-800);padding-top:20px}
  .vn-spec-side--b{border-top-color:var(--cyan-500)}
  .vn-spec-side-lbl{font-family:var(--font-ui);font-size:11px;font-weight:700;letter-spacing:0.16em;text-transform:uppercase;color:var(--indigo-800);margin-bottom:12px}
  .vn-spec-side--b .vn-spec-side-lbl{color:var(--cyan-600)}

  /* wide feature cards */
  @media(min-width:720px){.vn-sub--wide{grid-column:span 2;aspect-ratio:auto;min-height:100%}}
  @media(min-width:1080px){.vn-sub--w3{grid-column:span 3}}

  /* channel strip */
  #vn-channels{display:grid;grid-template-columns:minmax(0,1fr);border-top:2px solid var(--indigo-800);border-bottom:1px solid var(--color-border);margin:0 0 clamp(48px,6vw,72px)}
  @media(min-width:640px){#vn-channels{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media(min-width:1000px){#vn-channels{grid-template-columns:repeat(5,minmax(0,1fr))}}
  .vn-ch{position:relative;padding:26px 24px 28px;display:flex;flex-direction:column;gap:10px;border-bottom:1px solid var(--color-border);border-radius:var(--radius-sm);transition:background .3s ease,transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s ease}
  .vn-ch:hover{background:var(--indigo-800);transform:translateY(-8px);box-shadow:var(--shadow-lg);z-index:2}
  .vn-ch-num,.vn-ch-lbl,.vn-ch-desc{transition:color .3s ease}
  .vn-ch:hover .vn-ch-num{color:var(--cyan-500)}
  .vn-ch:hover .vn-ch-lbl{color:#fff}
  .vn-ch:hover .vn-ch-desc{color:var(--indigo-100)}
  @media(min-width:1000px){.vn-ch{border-bottom:0;border-left:1px solid var(--color-border)}.vn-ch:first-child{border-left:0}}
  .vn-ch-num{font-family:var(--font-ui);font-size:11px;font-weight:700;letter-spacing:0.16em;color:var(--cyan-600)}
  .vn-ch-lbl{font-family:var(--font-ui);font-size:13.5px;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--indigo-800);line-height:1.35}
  .vn-ch-desc{font-family:var(--font-body);font-size:14.5px;line-height:1.6;color:var(--ink-700);margin:0}