:root{
    color-scheme: light;
    --surface-1:#fcfcfb; --page:#f9f9f7;
    --ink-1:#0b0b0b; --ink-2:#52514e; --ink-3:#898781;
    --grid:#e1e0d9; --axis:#c3c2b7; --border:rgba(11,11,11,0.10);
    --s1:#2a78d6; --s2:#eb6834; --s3:#1baf7a;
    --good:#0ca30c; --warn:#fab219; --crit:#d03b3b;
    --s1w:rgba(42,120,214,0.08); --s2w:rgba(235,104,52,0.08); --s3w:rgba(27,175,122,0.08);
    --critw:rgba(208,59,59,0.07); --warnw:rgba(250,178,25,0.10);
  }
  *{box-sizing:border-box}
  body{margin:0;background:var(--page);color:var(--ink-1);
    font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
  .wrap{max-width:1020px;margin:0 auto;padding:44px 24px 80px}

  /* cover */
  .cover{border:1px solid var(--border);border-radius:16px;background:var(--surface-1);padding:38px 36px;margin-bottom:26px}
  .brand{display:flex;align-items:center;gap:11px;margin-bottom:26px}
  .logo{width:34px;height:34px;border-radius:9px;background:var(--s1);display:grid;place-items:center}
  .logo svg{display:block}
  .brand .bn{font-size:17px;font-weight:680;letter-spacing:-0.01em}
  .brand .bs{font-size:12px;color:var(--ink-3)}
  .cover h1{font-size:33px;line-height:1.18;margin:0 0 12px;font-weight:660;letter-spacing:-0.015em;max-width:20ch}
  .cover .tag{font-size:16px;color:var(--ink-2);max-width:64ch;margin:0 0 26px}
  .meta{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;border-top:1px solid var(--grid);padding-top:20px}
  .meta div .k{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);font-weight:650}
  .meta div .v{font-size:14px;font-weight:560;margin-top:3px}

  .banner{border-radius:12px;padding:16px 20px;margin-bottom:26px;font-size:14px;
    background:var(--s3w);border:1px solid rgba(27,175,122,0.30)}
  .banner b{color:var(--s3)}

  section{background:var(--surface-1);border:1px solid var(--border);border-radius:14px;padding:30px 32px;margin-bottom:20px}
  .snum{display:inline-block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:700;margin-bottom:7px}
  h2{font-size:23px;margin:0 0 8px;font-weight:640;letter-spacing:-0.01em}
  h3{font-size:15.5px;margin:26px 0 9px;font-weight:640}
  h4{font-size:13.5px;margin:18px 0 7px;font-weight:640;color:var(--ink-2)}
  p{margin:0 0 13px;font-size:14.5px;color:var(--ink-2)}
  p.lead{font-size:15px;color:var(--ink-2);margin-bottom:20px}
  strong,b{color:var(--ink-1);font-weight:620}
  ul,ol{margin:0 0 14px;padding-left:20px;font-size:14.5px;color:var(--ink-2)}
  li{margin-bottom:6px}

  table{border-collapse:collapse;width:100%;margin:6px 0 16px;font-size:13.5px}
  th,td{text-align:left;padding:9px 11px;border-bottom:1px solid var(--grid);vertical-align:top}
  thead th{color:var(--ink-3);font-weight:640;font-size:12px;letter-spacing:.03em;text-transform:uppercase;border-bottom:1px solid var(--axis)}
  td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
  tfoot td{font-weight:660;border-top:1px solid var(--axis);border-bottom:none;color:var(--ink-1)}
  tbody tr:last-child td{border-bottom:1px solid var(--grid)}

  .cards{display:grid;gap:13px}
  .c3{grid-template-columns:repeat(3,1fr)}
  .c2{grid-template-columns:repeat(2,1fr)}
  .c4{grid-template-columns:repeat(4,1fr)}
  .card{border:1px solid var(--border);border-radius:11px;padding:15px 17px}
  .card .ct{font-size:14.5px;font-weight:640;margin-bottom:5px}
  .card .cd{font-size:13px;color:var(--ink-2);line-height:1.5}
  .card.t1{border-top:3px solid var(--s1)} .card.t2{border-top:3px solid var(--s2)} .card.t3{border-top:3px solid var(--s3)}

  .stat{border:1px solid var(--border);border-radius:11px;padding:15px 17px}
  .stat .v{font-size:26px;font-weight:660;letter-spacing:-0.015em;line-height:1.12}
  .stat .l{font-size:12.5px;color:var(--ink-2);margin-top:5px;line-height:1.42}
  .stat .src{font-size:11px;color:var(--ink-3);margin-top:6px}

  .callout{border-radius:11px;padding:16px 19px;margin:18px 0;font-size:14px}
  .callout .h{font-weight:660;font-size:14px;margin-bottom:7px;color:var(--ink-1)}
  .callout p{font-size:14px;margin-bottom:8px}
  .callout p:last-child{margin-bottom:0}
  .cl-blue{background:var(--s1w);border:1px solid rgba(42,120,214,0.26)}
  .cl-green{background:var(--s3w);border:1px solid rgba(27,175,122,0.28)}
  .cl-amber{background:var(--warnw);border:1px solid rgba(250,178,25,0.40)}

  /* flow */
  .flow{display:flex;align-items:stretch;flex-wrap:wrap;margin:6px 0 8px}
  .fs{flex:1 1 0;min-width:112px;border:1px solid var(--border);border-radius:10px;padding:12px;background:var(--surface-1);position:relative}
  .fs .n{font-size:10px;font-weight:700;color:var(--ink-3);letter-spacing:.08em}
  .fs .t{font-size:13.5px;font-weight:620;margin-top:2px}
  .fs .s{font-size:12px;color:var(--ink-2);margin-top:4px;line-height:1.4}
  .ar{display:flex;align-items:center;padding:0 6px;color:var(--axis);flex:0 0 auto}
  .badge{position:absolute;top:-8px;right:8px;font-size:9px;font-weight:700;letter-spacing:.05em;
    background:var(--s3);color:#fff;padding:2px 6px;border-radius:999px}

  /* screenshot slot */
  .shots{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:16px 0 6px}
  .shot{border:1px dashed var(--axis);border-radius:11px;padding:14px 15px;background:var(--page)}
  .shot .sh{font-size:13px;font-weight:640;margin-bottom:4px;color:var(--ink-1)}
  .shot .sd{font-size:12px;color:var(--ink-2);line-height:1.45}
  .shot .slot{margin-top:9px;font-size:11px;color:var(--ink-3);font-style:italic}

  /* chart */
  .chart-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px;margin-bottom:46px}
  .legend{display:flex;gap:15px;flex-wrap:wrap}
  .legend .i{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-2)}
  .legend .sw{width:11px;height:11px;border-radius:3px}
  .chart{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:end;height:270px;position:relative;margin-bottom:8px}
  .gls{position:absolute;inset:0;pointer-events:none}
  .gl{position:absolute;left:0;right:0;border-top:1px solid var(--grid)}
  .gl span{position:absolute;left:0;top:4px;font-size:11px;color:var(--ink-3);font-variant-numeric:tabular-nums}
  .bc{display:flex;flex-direction:column;justify-content:flex-end;height:100%;position:relative;z-index:1}
  .seg{position:relative;margin-top:2px}
  .seg:first-child{border-radius:4px 4px 0 0}
  .seg:last-child{border-radius:0 0 4px 4px}
  .seg .val{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:11px;font-weight:650;color:#fff;font-variant-numeric:tabular-nums;white-space:nowrap}
  .seg[data-tiny="1"] .val{display:none}
  .bt{position:absolute;top:-23px;left:0;right:0;text-align:center;font-size:13px;font-weight:660;font-variant-numeric:tabular-nums}
  .xa{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid var(--axis);padding-top:9px}
  .xa div{text-align:center;font-size:12.5px;color:var(--ink-2)}
  .xa div small{display:block;color:var(--ink-3);font-size:11px}

  /* timeline */
  .tl{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
  .q{border:1px solid var(--border);border-radius:12px;padding:15px 16px}
  .q .qh{font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--ink-3)}
  .q .qt{font-size:14.5px;font-weight:640;margin:3px 0 9px}
  .q ul{font-size:12.5px;padding-left:16px;margin-bottom:0}
  .q li{margin-bottom:5px}
  .q .ms{margin-top:11px;padding:9px 11px;border-radius:8px;font-size:12px;background:var(--s1w);line-height:1.42;color:var(--ink-1)}
  .q .ms b{color:var(--s1)}
  .role-split{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:8px}
  .rs{border:1px solid var(--border);border-radius:11px;overflow:hidden}
  .rs .rh{padding:12px 15px;color:#fff}
  .rs.r1 .rh{background:var(--s1)} .rs.r2 .rh{background:var(--s2)}
  .rs .rh .rn{font-size:15px;font-weight:650}
  .rs .rh .rr{font-size:12px;opacity:.9;margin-top:1px}
  .rs .rb{padding:14px 16px}
  .rs .rb .lbl{font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3);font-weight:660;margin:11px 0 5px}
  .rs .rb .lbl:first-child{margin-top:0}
  .rs ul{font-size:13px;padding-left:17px;margin-bottom:0}

  footer.b{color:var(--ink-3);font-size:12.5px;padding:10px 4px 0;line-height:1.6}
  @media(max-width:880px){.c3,.c4,.tl,.shots,.meta{grid-template-columns:1fr 1fr}.role-split{grid-template-columns:1fr}}
  @media(max-width:560px){.c3,.c4,.c2,.tl,.shots,.meta{grid-template-columns:1fr}.flow{flex-direction:column}.ar{transform:rotate(90deg);align-self:center;padding:4px 0}}

  /* --- device mockups --- */
  .tour{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0 8px}
  .dev{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--surface-1)}
  .dev .scr{background:#eef1f5;padding:9px;min-height:186px}
  .dev .cap{padding:10px 13px 12px;border-top:1px solid var(--grid)}
  .dev .cap .t{font-size:13px;font-weight:645;margin-bottom:3px}
  .dev .cap .d{font-size:12px;color:var(--ink-2);line-height:1.45}
  .ui{background:#fff;border-radius:8px;padding:8px;box-shadow:0 1px 2px rgba(0,0,0,.06);
    --ink-1:#0b0b0b;--ink-2:#52514e;--ink-3:#8b8b8b;--grid:#e5e7eb;--s1:#2a78d6;--s2:#eb6834;--s3:#12a06f;--crit:#d03b3b;
    color:#0b0b0b}
  .ui-bar{display:flex;align-items:center;gap:6px;margin-bottom:7px}
  .ui-logo{width:15px;height:15px;border-radius:4px;background:var(--s1);display:grid;place-items:center;flex:0 0 auto}
  .ui-logo svg{display:block}
  .ui-name{font-size:10.5px;font-weight:700;color:var(--ink-1)}
  .ui-h{font-size:11.5px;font-weight:680;color:var(--ink-1);margin:0 0 5px}
  .ui-sub{font-size:8.5px;color:var(--ink-3);margin:-3px 0 6px}
  .ui-grid2{display:grid;grid-template-columns:1fr 1fr;gap:5px}
  .ui-tile{border:1px solid var(--grid);border-radius:6px;padding:6px}
  .ui-tile .k{font-size:7.5px;color:var(--ink-3);line-height:1.3}
  .ui-tile .v{font-size:12px;font-weight:700;margin-top:2px;font-variant-numeric:tabular-nums}
  .ui-row{border:1px solid var(--grid);border-radius:6px;padding:6px 7px;margin-bottom:4px;
    display:flex;justify-content:space-between;gap:6px;align-items:flex-start}
  .ui-row .l{font-size:9px;font-weight:620;color:var(--ink-1)}
  .ui-row .l small{display:block;font-weight:400;color:var(--ink-3);font-size:8px;margin-top:1px}
  .ui-row .r{font-size:9.5px;font-weight:680;text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
  .ui-row .r small{display:block;font-weight:400;color:var(--ink-3);font-size:8px}
  .ui-btn{background:var(--s1);color:#fff;border-radius:6px;padding:6px;text-align:center;
    font-size:9.5px;font-weight:650;margin-top:6px}
  .ui-btn.ghost{background:transparent;color:var(--s1);border:1px dashed var(--s1)}
  .ui-chip{display:inline-block;font-size:7.5px;font-weight:700;padding:1.5px 5px;border-radius:999px;vertical-align:middle}
  .ui-chip.d{background:rgba(140,140,140,.16);color:var(--ink-2)}
  .ui-chip.s{background:rgba(250,178,25,.20);color:#8a6100}
  .ui-chip.c{background:rgba(208,59,59,.14);color:var(--crit)}
  .ui-langs{display:grid;grid-template-columns:1fr 1fr;gap:3px}
  .ui-lang{border:1px solid var(--grid);border-radius:5px;padding:3.5px 5px;font-size:8px;color:var(--ink-2)}
  .ui-lang b{font-size:7px;color:var(--ink-3);margin-right:3px}
  .ui-lang.on{border-color:var(--s1);color:var(--s1);font-weight:650}
  .ui-check{width:10px;height:10px;border-radius:50%;background:var(--s1);flex:0 0 auto;
    display:grid;place-items:center;margin-top:1px}
  .ui-check svg{display:block}
  .ui-week{border:1px solid var(--grid);border-radius:6px;padding:5px;text-align:center;margin-bottom:5px}
  .ui-week .w{font-size:9.5px;font-weight:660}
  .ui-week .r{font-size:7.5px;color:var(--ink-3)}
  .ui-vat{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px;margin-bottom:5px}
  .ui-vat div{border:1px solid var(--grid);border-radius:5px;padding:5px}
  .ui-vat .k{font-size:6.5px;color:var(--ink-3);line-height:1.25}
  .ui-vat .v{font-size:10px;font-weight:700;margin-top:2px;font-variant-numeric:tabular-nums}
  .ui-q{background:#1e2732;color:#fff;border-radius:5px 5px 0 0;padding:4px 6px;font-size:8px;font-weight:650}
  .ui-qb{border:1px solid var(--grid);border-top:none;border-radius:0 0 5px 5px;padding:5px 6px;
    display:flex;justify-content:space-between;font-size:8px;color:var(--ink-2)}
  .ui-qb b{font-variant-numeric:tabular-nums;color:var(--ink-1)}
  .ui-nav{display:flex;justify-content:space-between;margin-top:7px;padding-top:5px;border-top:1px solid var(--grid)}
  .ui-nav span{font-size:6.5px;color:var(--ink-3)}
  .ui-nav span.on{color:var(--s1);font-weight:700}
  .ui-fld{border:1px solid var(--grid);border-radius:5px;padding:5px 6px;margin-bottom:4px;font-size:8.5px;color:var(--ink-3)}
  .ui-fld b{display:block;font-size:7px;color:var(--ink-2);margin-bottom:1.5px;font-weight:620}
  .ui-ai{border:1px dashed #a78bfa;background:rgba(167,139,250,.10);border-radius:6px;padding:6px;margin-bottom:6px}
  .ui-ai .t{font-size:8px;font-weight:700;color:#7c3aed;margin-bottom:4px}
  .ui-ai .b{display:flex;gap:4px}
  .ui-ai .b span{flex:1;border:1px solid rgba(167,139,250,.5);border-radius:4px;padding:3.5px;
    text-align:center;font-size:7.5px;color:#7c3aed;font-weight:600}

  /* --- SmartPark diagram --- */
  .spd{width:100%;height:auto;display:block;margin:6px 0 4px}
  @media(max-width:880px){.tour{grid-template-columns:1fr 1fr}}
  @media(max-width:560px){.tour{grid-template-columns:1fr}}
  .tour{align-items:stretch}
  .dev{display:flex;flex-direction:column}
  .dev .scr{background:#eef1f5;padding:10px;min-height:0;height:280px;display:grid;place-items:center;overflow:hidden}
  .dev .scr img{max-width:100%;max-height:100%;width:auto;height:auto;display:block;border-radius:6px;
    box-shadow:0 1px 4px rgba(11,11,11,.10)}
  .dev .cap{flex:1}
  .langstrip{border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin:16px 0 6px;background:var(--s1w)}
  .langstrip .lh{font-size:13.5px;font-weight:660;margin-bottom:11px}
  .lchips{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:12px}
  .lchip{display:inline-flex;align-items:center;gap:5px;background:var(--surface-1);border:1px solid var(--border);
    border-radius:999px;padding:4px 11px;font-size:12.5px;color:var(--ink-1)}
  .lchip b{font-size:9.5px;font-weight:750;color:var(--s1);letter-spacing:.04em}
  .langstrip .lnote{font-size:12.5px;color:var(--ink-2);line-height:1.5}
  .spshot{width:100%;height:auto;display:block;border:1px solid var(--border);border-radius:12px;margin:16px 0 6px}

  /* ================= refinement layer ================= */
  :root{
    --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;
    --accent-2:#0e5fc0;
    --hair:rgba(11,11,11,0.07);
  }
  body{font-size:15.5px;line-height:1.68;letter-spacing:-0.003em}
  .wrap{max-width:1080px;padding:44px 26px 90px}

  /* cover */
  .cover{position:relative;overflow:hidden;padding:44px 42px;
    background:linear-gradient(160deg,#ffffff 0%, #f6f9fe 52%, #eef4fd 100%);
    border-color:rgba(42,120,214,0.18)}
  .cover::before{content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);
    background-size:28px 28px;mask-image:radial-gradient(120% 90% at 88% 6%,#000 0%,transparent 68%);
    -webkit-mask-image:radial-gradient(120% 90% at 88% 6%,#000 0%,transparent 68%)}
  .cover>*{position:relative}
  .logo{background:linear-gradient(150deg,#3d8ce8,#1c5cab);box-shadow:0 3px 10px rgba(42,120,214,.32)}
  .cover h1{font-size:39px;letter-spacing:-0.028em;line-height:1.1;font-weight:680;max-width:17ch}
  .cover .tag{font-size:16.5px;line-height:1.6;max-width:62ch}
  .brand .bn{font-size:18px;letter-spacing:-0.015em}
  .brand .bs{font-family:var(--mono);font-size:11px;letter-spacing:.01em}
  .meta{border-top:1px solid rgba(42,120,214,0.18);padding-top:22px;gap:18px}
  .meta div .k{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--accent-2);font-weight:600}
  .meta div .v{font-size:14.5px;font-weight:600;letter-spacing:-0.01em}

  /* sections */
  section{padding:34px 36px;border-radius:16px;box-shadow:0 1px 2px rgba(11,11,11,.03)}
  .snum{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--accent-2);font-weight:600;
    display:inline-block;padding:4px 10px;border:1px solid rgba(42,120,214,.26);border-radius:6px;
    background:rgba(42,120,214,.06);margin-bottom:12px}
  h2{font-size:26px;letter-spacing:-0.022em;font-weight:660;margin-bottom:9px}
  h3{font-size:17px;letter-spacing:-0.014em;margin:32px 0 10px;padding-top:2px}
  h4{font-size:14px;letter-spacing:-0.006em;color:var(--ink-1)}
  p{font-size:15px;line-height:1.68}
  p.lead{font-size:15.5px;color:var(--ink-2);padding-bottom:4px;border-bottom:1px solid var(--grid);margin-bottom:22px}
  ul,ol{font-size:15px;line-height:1.66}
  li{margin-bottom:8px}

  /* tables */
  table{font-size:14px}
  th,td{padding:11px 13px}
  thead th{font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;color:var(--ink-3);border-bottom:1.5px solid var(--axis)}
  td.n,th.n{font-variant-numeric:tabular-nums;letter-spacing:-0.01em}
  tfoot td{background:rgba(42,120,214,.045)}

  /* cards & stats */
  .card{border-radius:12px;padding:17px 19px;box-shadow:0 1px 2px rgba(11,11,11,.03)}
  .card .ct{font-size:15px;letter-spacing:-0.01em}
  .card .cd{font-size:13.5px;line-height:1.55}
  .stat{border-radius:12px;padding:17px 19px;background:linear-gradient(170deg,#ffffff,#fafbfd)}
  .stat .v{font-size:29px;letter-spacing:-0.028em;font-variant-numeric:tabular-nums}
  .stat .l{font-size:13px}
  .callout{border-radius:12px;padding:18px 21px}
  .callout .h{font-size:14.5px;letter-spacing:-0.008em}
  .callout p{font-size:14.5px}

  /* flow */
  .fs{border-radius:11px;padding:13px 14px}
  .fs .n{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;color:var(--accent-2)}
  .fs .t{font-size:14px;letter-spacing:-0.008em}
  .fs .s{font-size:12.5px;line-height:1.48}

  /* device cards */
  .dev{border-radius:13px;box-shadow:0 1px 3px rgba(11,11,11,.05)}
  .dev .scr{background:linear-gradient(165deg,#eff3f9,#e6ecf5)}
  .dev .cap .t{font-size:13.5px;letter-spacing:-0.008em}
  .dev .cap .d{font-size:12.5px;line-height:1.5}

  /* roles */
  .rs{border-radius:13px}
  .rs .rh{padding:14px 17px}
  .rs.r1 .rh{background:linear-gradient(135deg,#3d8ce8,#1c5cab)}
  .rs.r2 .rh{background:linear-gradient(135deg,#f07a49,#d1521f)}
  .rs .rh .rn{font-size:16px;letter-spacing:-0.014em}
  .rs .rb .lbl{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--accent-2)}
  .rs ul{font-size:13.5px}

  /* timeline */
  .q{border-radius:13px;padding:17px 18px}
  .q .qh{font-family:var(--mono);font-size:10px;letter-spacing:.11em;color:var(--accent-2)}
  .q .qt{font-size:15.5px;letter-spacing:-0.012em}
  .q ul{font-size:13px}
  .q .ms{border-left:3px solid var(--s1);border-radius:0 8px 8px 0;font-size:12.5px}

  /* chart */
  .chart{height:300px}
  .bt{font-size:13.5px;letter-spacing:-0.015em}
  .legend .i{font-size:13px}
  .xa div{font-size:13px}

  footer.b{font-size:12.5px;border-top:1px solid var(--grid);margin-top:10px;padding-top:18px}
  footer.b b{letter-spacing:-0.01em}


  /* ================= responsive layer ================= */
  .tw{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:6px 0 16px}
  .tw{position:relative;
    background:
      linear-gradient(to right, var(--surface-1) 28%, rgba(255,255,255,0)),
      linear-gradient(to left, var(--surface-1) 28%, rgba(255,255,255,0)) 100% 0,
      radial-gradient(farthest-side at 0 50%, rgba(11,11,11,.13), rgba(11,11,11,0)),
      radial-gradient(farthest-side at 100% 50%, rgba(11,11,11,.13), rgba(11,11,11,0)) 100% 0;
    background-repeat:no-repeat;
    background-size:34px 100%, 34px 100%, 13px 100%, 13px 100%;
    background-attachment:local, local, scroll, scroll}
  .tw table{margin:0;min-width:560px}
  .tw::-webkit-scrollbar{height:7px}
  .tw::-webkit-scrollbar-thumb{background:var(--axis);border-radius:99px}
  .crit{border:1px solid var(--border);border-radius:13px;padding:22px 24px;margin:16px 0;background:var(--surface-1)}
  .crit.k1{border-left:4px solid var(--s1)}
  .crit.k2{border-left:4px solid var(--s2)}
  .crit.k3{border-left:4px solid var(--s3)}
  .crit .kh{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:4px}
  .crit .kn{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;font-weight:600;color:var(--ink-3);
    border:1px solid var(--border);border-radius:5px;padding:3px 8px;white-space:nowrap}
  .crit .kt{font-size:17px;font-weight:660;letter-spacing:-.014em}
  .crit .kd{font-family:var(--mono);font-size:11px;color:var(--ink-3);margin-bottom:11px;font-style:normal}
  .crit p{font-size:14.5px}
  .crit p:last-child{margin-bottom:0}
  .claimbox{background:var(--s1w);border:1px solid rgba(42,120,214,.3);border-radius:10px;padding:14px 17px;margin:12px 0}
  .claimbox .cl{font-family:var(--mono);font-size:10px;letter-spacing:.11em;color:var(--s1);font-weight:600;margin-bottom:6px}
  .claimbox p{margin:0;font-size:14.5px;color:var(--ink-1)}
  .evid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:14px 0 0}
  .ev{border:1px solid var(--border);border-radius:11px;padding:15px 17px;background:var(--surface-1)}
  .ev .et{font-size:14px;font-weight:640;margin-bottom:5px}
  .ev .ed{font-size:13px;color:var(--ink-2);line-height:1.5}
  .ev .ew{display:inline-block;margin-top:8px;font-family:var(--mono);font-size:9.5px;letter-spacing:.09em;
    background:var(--s3w);color:#0b7d55;border-radius:5px;padding:3px 8px;font-weight:600}
  .core{border:1px solid var(--border);border-radius:13px;overflow:hidden;margin:16px 0}
  .core .ch{background:linear-gradient(135deg,#1f5fbf,#123f86);color:#fff;padding:15px 20px}
  .core .ch b{font-size:16px;letter-spacing:-.01em}
  .core .ch span{display:block;font-size:12.5px;opacity:.86;margin-top:2px}
  .core .cb{padding:18px 20px}
  .core .cmod{border-left:2px solid var(--grid);padding-left:15px;margin-bottom:16px}
  .core .cmod:last-child{margin-bottom:0}
  .core .cmod h5{font-size:14.5px;margin:0 0 5px;font-weight:640}
  .core .cmod p{font-size:13.5px;color:var(--ink-2);margin:0}

  @media (max-width:900px){
    .wrap{padding:26px 18px 60px}
    section{padding:24px 20px}
    .cards.c3,.cards.c4,.evid,.tour,.tl,.role-split,.shots{grid-template-columns:repeat(2,1fr)}
    .flow{flex-direction:column}
    .flow .ar{transform:rotate(90deg);align-self:center;padding:5px 0}
    .fs{min-width:0}
    .chart{height:250px}
    .chart-head{margin-bottom:40px}
    .cover{padding:28px 22px}
    .cover h1{font-size:30px}
    .meta{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:600px){
    body{font-size:15px}
    .wrap{padding:20px 14px 50px}
    section{padding:20px 16px;border-radius:12px}
    h2{font-size:21px}
    h3{font-size:15.5px}
    .cards.c2,.cards.c3,.cards.c4,.evid,.tour,.tl,.role-split,.shots,.meta{grid-template-columns:1fr}
    .stat .v{font-size:22px}
    .chart{height:210px;gap:8px}
    .bars,.xa{gap:8px}
    .seg .val{font-size:9.5px;right:5px}
    .bt{font-size:11px}
    .glines span::before,.gl span{font-size:9.5px}
    .langstrip,.crit,.claimbox,.core .cb{padding:14px 15px}
    .lchip{font-size:11.5px;padding:3px 9px}
    .spd{min-width:0}
    .cover .tag{font-size:14px}
  }

  @page{size:A4;margin:13mm 11mm 15mm}
  @media print{
    *{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}
    html,body{background:#fff!important}
    body{font-size:10.2pt;line-height:1.5}
    .wrap{max-width:none;padding:0}
    section{break-inside:auto;page-break-inside:auto;box-shadow:none;margin-bottom:12px;
      padding:16px 18px;border-radius:10px;border-color:#dcdcd6}
    .cover{break-after:page;page-break-after:always;padding:26px 24px}
    .cover h1{font-size:27pt}
    .cover .tag{font-size:11pt}
    h2{font-size:16pt;break-after:avoid;page-break-after:avoid}
    h3{font-size:11.5pt;break-after:avoid;page-break-after:avoid;margin-top:16px}
    h4{break-after:avoid;page-break-after:avoid}
    p,li{orphans:3;widows:3;font-size:10.2pt}
    p.lead{font-size:10.6pt}
    .snum{break-after:avoid;page-break-after:avoid}
    .card,.stat,.callout,.q,.rs,.fs,.dev,.langstrip,.chart-wrap,.role-split,.banner,.shot{
      break-inside:avoid;page-break-inside:avoid}
    table{break-inside:auto;page-break-inside:auto;font-size:9.3pt}
    thead{display:table-header-group}
    tr,tfoot{break-inside:avoid;page-break-inside:avoid}
    th,td{padding:6px 8px}
    .tour{grid-template-columns:repeat(3,1fr);gap:9px}
    .dev .scr{height:150px;padding:6px}
    .dev .cap{padding:7px 9px 9px}
    .dev .cap .t{font-size:9pt}
    .dev .cap .d{font-size:8.2pt;line-height:1.4}
    .cards.c4,.stat-row{gap:8px}
    .stat .v{font-size:17pt}
    .stat .l{font-size:8.4pt}
    .chart{height:190px}
    .bt{font-size:9pt;top:-17px}
    .seg .val{font-size:8pt}
    .tl{gap:8px}
    .q{padding:11px 12px}
    .q ul{font-size:8.6pt}
    .q .ms{font-size:8.6pt}
    .spd,.spshot{break-inside:avoid;page-break-inside:avoid}
    .spshot{max-height:78mm;object-fit:contain}
    footer.b{break-inside:avoid;page-break-inside:avoid;font-size:8pt}
    a{color:inherit;text-decoration:none}
    .tw{overflow:visible}
    .tw table{min-width:0}
    .crit,.claimbox,.core,.ev{break-inside:avoid;page-break-inside:avoid}
    .evid{grid-template-columns:repeat(2,1fr)}
  }

  /* ============================================================
     SITE CHROME — navigation, language switcher, mobile
     ============================================================ */
  html{scroll-behavior:smooth}
  body{padding-top:60px}
  .sitebar{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(252,252,251,.92);
    backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);
    border-bottom:1px solid var(--border)}
  .sbin{max-width:1020px;margin:0 auto;padding:0 24px;height:59px;display:flex;align-items:center;gap:14px}
  .sblogo{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink-1);flex:none}
  .sblogo .m{width:26px;height:26px;border-radius:7px;background:var(--s1);display:grid;place-items:center;flex:none}
  .sblogo .m svg{display:block;width:14px;height:14px}
  .sblogo .n{font-size:14.5px;font-weight:660;letter-spacing:-0.01em;white-space:nowrap}
  .sbsp{flex:1}
  .tocbtn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);background:var(--surface-1);
    border-radius:9px;padding:7px 12px;font-size:13px;font-weight:560;color:var(--ink-1);cursor:pointer;
    font-family:inherit;white-space:nowrap}
  .tocbtn:hover{border-color:var(--axis)}
  .tocbtn svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
    transition:transform .18s ease}
  .tocbtn[aria-expanded="true"] svg{transform:rotate(180deg)}
  .lang{display:flex;gap:2px;background:rgba(11,11,11,.05);border-radius:9px;padding:3px;flex:none}
  .lang a{font-size:12px;font-weight:640;letter-spacing:.02em;padding:5px 9px;border-radius:6px;
    color:var(--ink-3);text-decoration:none;line-height:1}
  .lang a:hover{color:var(--ink-1)}
  .lang a[aria-current="page"]{background:var(--surface-1);color:var(--ink-1);box-shadow:0 1px 2px rgba(11,11,11,.07)}

  .toc{position:fixed;top:59px;left:0;right:0;z-index:59;background:var(--surface-1);
    border-bottom:1px solid var(--border);box-shadow:0 14px 34px rgba(11,11,11,.09);
    max-height:0;overflow:hidden;transition:max-height .28s ease}
  .toc.open{max-height:80vh;overflow-y:auto}
  .tocin{max-width:1020px;margin:0 auto;padding:16px 24px 20px;
    display:grid;grid-template-columns:repeat(3,1fr);gap:4px 18px}
  .toc a{display:flex;gap:10px;align-items:baseline;padding:8px 10px;border-radius:8px;
    text-decoration:none;color:var(--ink-2);font-size:13.5px;line-height:1.35}
  .toc a:hover{background:rgba(42,120,214,.07);color:var(--ink-1)}
  .toc a i{font-style:normal;font-size:11px;font-weight:700;color:var(--ink-3);
    font-variant-numeric:tabular-nums;flex:none;min-width:14px}
  .tocdl{grid-column:1/-1;border-top:1px solid var(--grid);margin-top:8px;padding-top:12px;
    display:flex;flex-wrap:wrap;gap:9px;align-items:center}
  .tocdl span{font-size:12px;color:var(--ink-3);font-weight:600}
  .tocdl a{border:1px solid var(--border);border-radius:8px;padding:6px 11px;font-size:12.5px;
    color:var(--ink-1);font-weight:560}

  .prog{position:fixed;top:59px;left:0;height:2px;background:var(--s1);z-index:61;width:0;transition:width .08s linear}

  .totop{position:fixed;right:20px;bottom:20px;z-index:58;width:42px;height:42px;border-radius:50%;
    background:var(--ink-1);color:#fff;border:none;display:grid;place-items:center;cursor:pointer;
    opacity:0;pointer-events:none;transition:opacity .2s ease;box-shadow:0 6px 20px rgba(11,11,11,.24)}
  .totop.on{opacity:1;pointer-events:auto}
  .totop svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

  section{scroll-margin-top:74px}

  .sitefoot{max-width:1020px;margin:0 auto;padding:0 24px 60px;font-size:12.5px;color:var(--ink-3)}
  .sitefoot .r{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;
    border-top:1px solid var(--grid);padding-top:16px}
  .sitefoot a{color:var(--ink-2);text-decoration:none;border-bottom:1px solid var(--grid)}
  .sitefoot a:hover{color:var(--ink-1)}

  @media (max-width:900px){
    .tocin{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:640px){
    .sbin{padding:0 14px;gap:9px;height:56px}
    body{padding-top:57px}
    .toc,.prog{top:56px}
    .sblogo .n{display:none}
    .tocin{grid-template-columns:1fr;padding:12px 14px 16px}
    .sitefoot{padding:0 14px 48px}
    .lang a{padding:5px 8px}
    section{scroll-margin-top:68px}
  }
  @media print{
    .sitebar,.toc,.prog,.totop,.sitefoot{display:none !important}
    body{padding-top:0}
  }

  /* ============================================================
     HERO — the 15-second pitch, above the plan
     ============================================================ */
  .hero{
    --hi:#f4f7fd; --hi2:#9db0cd; --hi3:#6f83a3;
    --hline:rgba(255,255,255,.10); --hcard:rgba(255,255,255,.045);
    --acc:#3d8bff; --acc2:#2fd6c3;
    background:#080e1c;
    background-image:
      radial-gradient(1100px 620px at 78% -6%, rgba(47,214,195,.14), transparent 62%),
      radial-gradient(900px 560px at 8% 8%, rgba(61,139,255,.20), transparent 60%),
      linear-gradient(180deg,#080e1c 0%,#0a1226 52%,#0b1428 100%);
    color:var(--hi);position:relative;overflow:hidden;isolation:isolate}
  .hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:88px;
    background:linear-gradient(180deg,transparent,var(--page));pointer-events:none;z-index:2}
  .hin{max-width:1140px;margin:0 auto;padding:52px 24px 54px;position:relative;z-index:1}

  .heyebrow{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:22px}
  .heyebrow .e{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:650;
    letter-spacing:.10em;text-transform:uppercase;color:var(--hi2);
    border:1px solid var(--hline);border-radius:999px;padding:6px 12px;background:var(--hcard)}
  .heyebrow .e.live{color:#7df0dc;border-color:rgba(47,214,195,.34);background:rgba(47,214,195,.09)}
  .heyebrow .e.live b{width:6px;height:6px;border-radius:50%;background:#2fd6c3;display:block}

  .htop{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:46px;align-items:start}

  .hero h1{font-size:clamp(34px,5vw,54px);line-height:1.06;letter-spacing:-.026em;font-weight:700;
    margin:0 0 20px;color:#fff}
  .hero h1 span{display:block}
  .hero h1 i{font-style:normal;color:var(--acc2)}
  .hero .hsub{font-size:16.5px;line-height:1.62;color:var(--hi2);margin:0 0 26px;max-width:44ch}
  .hero .hsub b{color:#fff;font-weight:620}

  .hstats{display:grid;grid-template-columns:repeat(2,1fr);gap:11px;max-width:430px}
  .hstat{border:1px solid var(--hline);background:var(--hcard);border-radius:12px;padding:13px 15px}
  .hstat .v{font-size:22px;font-weight:700;letter-spacing:-.02em;color:#fff;line-height:1.1}
  .hstat .v em{font-style:normal;color:var(--acc2)}
  .hstat .l{font-size:11.5px;color:var(--hi3);margin-top:5px;line-height:1.4}

  /* ---- player ---- */
  .player{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--hline);
    background:#05080f;box-shadow:0 26px 70px rgba(0,0,0,.5);aspect-ratio:16/9}
  .player video{display:block;width:100%;height:100%;object-fit:cover;background:#05080f}
  .pcover{position:absolute;inset:0;display:grid;place-items:center;cursor:pointer;border:0;padding:0;
    background:transparent;width:100%;height:100%}
  .pcover::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.12),rgba(5,8,15,.55))}
  .pcover .pb{position:relative;width:74px;height:74px;border-radius:50%;background:rgba(255,255,255,.96);
    display:grid;place-items:center;box-shadow:0 10px 34px rgba(0,0,0,.42);transition:transform .18s ease}
  .pcover:hover .pb{transform:scale(1.07)}
  .pcover .pb svg{width:26px;height:26px;fill:#0b1428;margin-left:4px}
  .pcover .pt{position:absolute;left:18px;bottom:16px;right:18px;text-align:left;
    font-size:13px;color:rgba(255,255,255,.92);font-weight:560;display:flex;gap:9px;align-items:center}
  .pcover .pt span{background:rgba(0,0,0,.5);backdrop-filter:blur(6px);border-radius:7px;padding:5px 10px}
  .player.on .pcover{display:none}
  .pnote{font-size:12px;color:var(--hi3);margin-top:11px;text-align:right}

  /* ---- problem → solution ---- */
  .hflow{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:52px}
  .hf{border:1px solid var(--hline);background:var(--hcard);border-radius:14px;padding:20px 21px;position:relative}
  .hf .k{font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;font-weight:700;margin-bottom:11px}
  .hf.a .k{color:#ff9d7a} .hf.b .k{color:#7df0dc} .hf.c .k{color:#8ab6ff}
  .hf h3{font-size:16.5px;font-weight:650;margin:0 0 8px;color:#fff;letter-spacing:-.01em}
  .hf p{font-size:13.8px;line-height:1.6;color:var(--hi2);margin:0}
  .hf p b{color:#fff;font-weight:620}
  .hf ul{margin:9px 0 0;padding:0;list-style:none}
  .hf li{font-size:13.4px;color:var(--hi2);padding-left:19px;position:relative;margin-bottom:6px;line-height:1.5}
  .hf li::before{content:"";position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:2px;
    background:rgba(125,240,220,.55)}
  .hf.a li::before{background:rgba(255,157,122,.5)}

  /* ---- innovation claim ---- */
  .hclaim{margin-top:16px;border:1px solid rgba(61,139,255,.30);border-radius:16px;
    background:linear-gradient(135deg,rgba(61,139,255,.13),rgba(47,214,195,.07));padding:26px 26px 24px}
  .hclaim .k{font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;font-weight:700;
    color:#8ab6ff;margin-bottom:12px}
  .hclaim h3{font-size:clamp(19px,2.4vw,25px);font-weight:660;letter-spacing:-.017em;color:#fff;
    margin:0 0 16px;line-height:1.32;max-width:34ch}
  .hclaim h3 i{font-style:normal;color:var(--acc2)}
  .htri{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px;align-items:stretch;margin:18px 0 16px}
  .hnode{border:1px solid var(--hline);background:rgba(8,14,28,.55);border-radius:12px;padding:14px 15px}
  .hnode .t{font-size:13.5px;font-weight:660;color:#fff;margin-bottom:5px;display:flex;align-items:center;gap:7px}
  .hnode .t b{width:7px;height:7px;border-radius:50%;flex:none}
  .hnode.n1 .t b{background:#2fd6c3} .hnode.n2 .t b{background:#3d8bff} .hnode.n3 .t b{background:#c08bff}
  .hnode .d{font-size:12.5px;color:var(--hi3);line-height:1.5}
  .harr{display:grid;place-items:center;color:var(--hi3);font-size:17px;padding-top:14px}
  .hclaim .fine{font-size:13px;color:var(--hi2);line-height:1.6;margin:0;
    border-top:1px solid var(--hline);padding-top:15px}
  .hclaim .fine b{color:#fff;font-weight:620}

  /* ---- cta ---- */
  .hcta{display:flex;flex-wrap:wrap;gap:11px;align-items:center;margin-top:26px}
  .hbtn{display:inline-flex;align-items:center;gap:9px;border-radius:11px;padding:12px 19px;
    font-size:14px;font-weight:620;text-decoration:none;border:1px solid transparent;transition:.16s ease}
  .hbtn.p{background:#fff;color:#0b1428}
  .hbtn.p:hover{background:#dfe8f7}
  .hbtn.s{border-color:var(--hline);color:#fff;background:var(--hcard)}
  .hbtn.s:hover{border-color:rgba(255,255,255,.26)}
  .hbtn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2.2;
    stroke-linecap:round;stroke-linejoin:round}

  @media (max-width:900px){
    .htop{grid-template-columns:1fr;gap:32px}
    .hstats{max-width:none;grid-template-columns:repeat(2,1fr)}
    .hflow{grid-template-columns:1fr}
    .htri{grid-template-columns:1fr;gap:9px}
    .harr{padding:0;transform:rotate(90deg);height:16px}
    .pnote{text-align:left}
  }
  @media (max-width:640px){
    .hin{padding:30px 14px 40px}
    .hero h1{font-size:clamp(29px,8.4vw,40px)}
    .hero .hsub{font-size:15.2px}
    .hclaim{padding:20px 18px}
    .hcta .hbtn{flex:1;justify-content:center}
    .pcover .pb{width:60px;height:60px}
    .pcover .pb svg{width:21px;height:21px}
  }
  @media print{ .hero{display:none !important} }
  @media (prefers-reduced-motion:reduce){ .pcover:hover .pb{transform:none} }

  /* ============================================================
     INTERACTIVE PROTOTYPE — phone frame + in-app styles
     ============================================================ */
  .demo{background:var(--page);position:relative}
  .din{max-width:1140px;margin:0 auto;padding:64px 24px 30px;
    display:grid;grid-template-columns:minmax(0,1fr) auto;gap:56px;align-items:center}
  .demo .k{font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;font-weight:700;
    color:var(--s1);margin-bottom:12px}
  .demo h2{font-size:clamp(24px,3vw,32px);font-weight:660;letter-spacing:-.018em;margin:0 0 14px;
    color:var(--ink-1);max-width:22ch}
  .demo .dsub{font-size:15.5px;line-height:1.65;color:var(--ink-2);margin:0 0 22px;max-width:52ch}
  .dsteps{margin:0;padding:0;list-style:none;counter-reset:ds}
  .dsteps li{counter-increment:ds;position:relative;padding:0 0 14px 40px;font-size:14px;
    line-height:1.55;color:var(--ink-2)}
  .dsteps li b{color:var(--ink-1);font-weight:640}
  .dsteps li::before{content:counter(ds,decimal-leading-zero);position:absolute;left:0;top:1px;
    width:27px;height:27px;border:1px solid var(--border);border-radius:8px;background:var(--surface-1);
    display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--s1);
    font-variant-numeric:tabular-nums}
  .dsteps li:not(:last-child)::after{content:"";position:absolute;left:13px;top:31px;bottom:1px;
    width:1px;background:var(--grid)}
  .demo .dnote{font-size:12.5px;color:var(--ink-3);margin-top:8px;max-width:48ch}

  /* phone */
  .phone{width:376px;flex:none;background:#0d0f14;border-radius:52px;padding:11px;
    box-shadow:0 34px 80px rgba(11,11,11,.28), inset 0 0 0 2px #23262e;position:relative;
    margin:0 auto}
  .phone::before{content:"";position:absolute;top:22px;left:50%;transform:translateX(-50%);
    width:106px;height:26px;background:#0d0f14;border-radius:16px;z-index:5}
  .phone .scr{border-radius:42px;overflow:hidden;background:#f4f6f9;height:704px;position:relative}

  /* --------------------------- in-app --------------------------- */
  .zap{position:absolute;inset:0;display:flex;flex-direction:column;
    font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:#0f172a;background:#f4f6f9;
    -webkit-font-smoothing:antialiased}
  .zap[dir="rtl"]{direction:rtl}
  .zap *{box-sizing:border-box;margin:0;padding:0}
  .zap button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;text-align:inherit}

  .zap-hdr{display:flex;align-items:center;gap:8px;background:#fff;padding:34px 14px 11px;
    border-bottom:1px solid #e8ecf2;flex:none}
  .zap-mark{width:26px;height:26px;border-radius:8px;background:#2563eb;display:grid;place-items:center;flex:none}
  .zap-mark svg{width:14px;height:14px;fill:#fff}
  .zap-brand{font-size:16.5px;font-weight:800;letter-spacing:-.3px}
  .zap-badge{font-size:9.5px;font-weight:700;letter-spacing:.05em;color:#9333ea;background:#f3e8ff;
    border-radius:999px;padding:3px 8px;white-space:nowrap}
  .zap-sp{flex:1}
  .zap-reset{font-size:11px;font-weight:600;color:#64748b;border:1px solid #e2e8f0;border-radius:8px;
    padding:5px 9px;background:#fff}
  .zap-globe{width:30px;height:30px;border-radius:9px;border:1px solid #e2e8f0;background:#fff;
    display:grid;place-items:center}
  .zap-globe svg{width:16px;height:16px;stroke:#334155;fill:none;stroke-width:1.8;
    stroke-linecap:round;stroke-linejoin:round}

  .zap-body{flex:1;overflow-y:auto;padding:15px 14px 16px;overscroll-behavior:contain;
    -webkit-overflow-scrolling:touch}
  .zap-h1{font-size:23px;font-weight:800;letter-spacing:-.5px;line-height:1.12}
  .zap-sub{font-size:12px;color:#64748b;margin-top:4px}
  .zap-card{background:#fff;border:1px solid #e9edf3;border-radius:13px;
    box-shadow:0 1px 2px rgba(15,23,42,.04)}
  .zap-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
  .zap-st{padding:12px 13px}
  .zap-stl{font-size:11px;color:#64748b;line-height:1.3}
  .zap-stv{font-size:19px;font-weight:800;margin-top:4px;letter-spacing:-.4px;white-space:nowrap}
  .zap-stn{font-size:10.5px;color:#94a3b8;margin-top:2px}
  .zap .g{color:#16a34a}.zap .o{color:#ea580c}.zap .b{color:#2563eb}.zap .p{color:#9333ea}
  .zap-ink{color:#0f172a}

  .zap-btn{display:flex;align-items:center;justify-content:center;gap:7px;border-radius:10px;
    font-size:12.5px;font-weight:600;padding:10px 12px;width:100%}
  .zap-btn.pri{background:#2563eb;color:#fff}
  .zap-btn.pri svg{width:13px;height:13px;stroke:#fff;fill:none;stroke-width:2.4;
    stroke-linecap:round;stroke-linejoin:round}
  .zap-btn.gho{background:#fff;border:1px solid #e2e8f0;color:#0f172a}
  .zap-btn.gho .ok svg{width:13px;height:13px;stroke:#16a34a;fill:none;stroke-width:2.6;
    stroke-linecap:round;stroke-linejoin:round}
  .zap-btn .okw svg{width:13px;height:13px;stroke:#fff;fill:none;stroke-width:2.6;
    stroke-linecap:round;stroke-linejoin:round}
  .zap-add{margin-top:12px}
  .zap-duo{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
  .zap-mini{padding:11px;text-align:center}
  .zap-mini .zap-stv{font-size:17px}

  .zap-ent{padding:12px 13px;margin-top:10px}
  .zap-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
  .zap-row b{font-size:13.5px;font-weight:700}
  .zap-dim{font-size:11.5px;color:#94a3b8;margin-top:4px}
  .zap-chip{font-size:10px;font-weight:700;letter-spacing:.03em;background:#f1f5f9;color:#475569;
    border-radius:999px;padding:3px 8px;white-space:nowrap;flex:none}
  .zap-chip.rdy{background:#dcfce7;color:#15803d}
  .zap-chip.inv{background:#dbeafe;color:#1d4ed8}
  .zap-ent .zap-btn{margin-top:10px;padding:8px 10px;font-size:11.5px}
  .zap-openinv{cursor:pointer;width:100%}
  .zap-openinv:hover{border-color:#c9d4e4}

  .zap-f{margin-top:11px}
  .zap-f label{display:block;font-size:12px;font-weight:600;margin-bottom:5px}
  .zap-in{width:100%;background:#fff;border:1px solid #e2e8f0;border-radius:9px;padding:10px 11px;
    font-size:13.5px;color:#0f172a;font-family:inherit;appearance:auto}
  .zap-in:focus{outline:2px solid rgba(37,99,235,.35);border-color:#2563eb}

  .zap-back{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:#475569}
  .zap-back svg{width:14px;height:14px;stroke:#475569;fill:none;stroke-width:2.2;
    stroke-linecap:round;stroke-linejoin:round}
  .zap[dir="rtl"] .zap-back svg{transform:scaleX(-1)}
  .zap-lbl{font-size:10px;font-weight:800;letter-spacing:.07em;color:#94a3b8;text-transform:uppercase;
    margin-bottom:7px}
  .zap-line{font-size:12.5px;color:#475569;padding:6px 0;border-bottom:1px solid #f1f5f9}
  .zap-line:last-child{border-bottom:0}
  .zap-line.top{border-top:1px solid #e2e8f0;margin-top:4px}
  .zap-line.tot b{font-size:14px}

  .zap-vat3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:12px}
  .zap-vc{padding:10px 9px}
  .zap-vc.o{background:#fff7ed;border-color:#fed7aa}
  .zap-vc.b{background:#eff6ff;border-color:#bfdbfe}
  .zap-vcl{font-size:10px;font-weight:800;line-height:1.25;color:#9a3412}
  .zap-vc.b .zap-vcl{color:#1e40af}
  .zap-vcs{font-size:9.5px;color:#b45309;margin-top:2px}
  .zap-vc.b .zap-vcs{color:#3b82f6}
  .zap-q{padding:12px 13px;margin-top:12px}
  .zap-qh{background:#1e293b;color:#fff;border-radius:9px;padding:8px 11px;font-size:12.5px;margin-bottom:6px}

  .zap-lrow{display:flex;align-items:center;gap:11px;width:100%;padding:12px 13px;margin-top:9px;
    font-size:13.5px;font-weight:600}
  .zap-lrow.on{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.10)}
  .zap-lf{font-size:10px;font-weight:800;letter-spacing:.04em;color:#2563eb;background:#dbeafe;
    border-radius:7px;padding:4px 7px;flex:none}
  .zap-lrow .ok svg{width:15px;height:15px;stroke:#2563eb;fill:none;stroke-width:2.6;
    stroke-linecap:round;stroke-linejoin:round}

  .zap-toast{position:absolute;left:14px;right:14px;top:76px;z-index:8;background:#0f172a;color:#fff;
    font-size:12.5px;font-weight:600;border-radius:11px;padding:10px 14px;text-align:center;
    opacity:0;transform:translateY(-8px);pointer-events:none;transition:.22s ease;
    box-shadow:0 10px 26px rgba(15,23,42,.3)}
  .zap-toast.on{opacity:1;transform:none}

  .zap-tabs{display:flex;background:#fff;border-top:1px solid #e8ecf2;padding:8px 4px 22px;flex:none}
  .zap-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;
    color:#94a3b8;font-weight:600}
  .zap-tab svg{width:18px;height:18px;stroke:#94a3b8;fill:none;stroke-width:1.9;
    stroke-linecap:round;stroke-linejoin:round}
  .zap-tab.on{color:#2563eb}
  .zap-tab.on svg{stroke:#2563eb}

  @media (max-width:980px){
    .din{grid-template-columns:1fr;gap:36px;padding:48px 24px 22px}
    .phone{margin:0 auto}
  }
  @media (max-width:640px){
    .din{padding:38px 14px 14px}
    .phone{width:min(356px,94vw);border-radius:46px;padding:9px}
    .phone .scr{height:660px;border-radius:38px}
  }
  @media print{ .demo{display:none !important} }

  /* ============================================================
     BRAND & TYPOGRAPHY POLISH
     ============================================================ */
  body{font-family:'Inter',system-ui,-apple-system,"Segoe UI",sans-serif}
  h1,h2,h3,.hero h1,.demo h2,.hclaim h3,.cover h1{
    font-family:'Sora','Inter',system-ui,sans-serif}
  .snum{font-family:'Inter',sans-serif}

  /* primedge lockup in sitebar */
  .sblogo .pm{height:26px;width:auto;display:block}
  .sblogo .n{display:block;font-family:'Poppins','Inter',sans-serif;font-weight:600;
    font-size:17px;letter-spacing:-.015em;color:#13294b}
  .cover .logo{background:none;width:auto;height:auto;border-radius:0}
  .cover .logo img{height:30px;display:block}

  /* zzpro lockup */
  .zlock{display:inline-flex;align-items:center;gap:9px}
  .zlock .zzm{width:30px;height:30px;border-radius:9px;box-shadow:0 4px 14px rgba(20,184,166,.35)}
  .zname{font-family:'Sora',sans-serif;font-weight:800;font-size:19px;letter-spacing:-.02em;color:#fff}
  .zname i{font-style:normal;background:linear-gradient(90deg,#3d8bff,#2fd6c3);
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .zname.dk{color:var(--ink-1)}
  .dlock{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
  .dlock .zzm{width:34px;height:34px;border-radius:10px;box-shadow:0 6px 18px rgba(20,184,166,.28)}
  .dlock .k{font-size:10.5px}

  /* gradient CTA */
  .hbtn.g{background:linear-gradient(100deg,#2563eb,#14b8a6);color:#fff;font-weight:660;
    box-shadow:0 8px 26px rgba(20,184,166,.35);border:0}
  .hbtn.g:hover{filter:brightness(1.08);box-shadow:0 10px 30px rgba(20,184,166,.45)}

  /* hero refinements */
  .hero{background-image:
      radial-gradient(1100px 620px at 78% -6%, rgba(47,214,195,.15), transparent 62%),
      radial-gradient(900px 560px at 8% 8%, rgba(61,139,255,.21), transparent 60%),
      linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
      linear-gradient(180deg,#080e1c 0%,#0a1226 52%,#0b1428 100%);
    background-size:auto,auto,44px 44px,44px 44px,auto}
  .player{box-shadow:0 26px 70px rgba(0,0,0,.5), 0 0 90px rgba(47,214,195,.12)}
  .phone{box-shadow:0 34px 80px rgba(11,11,11,.30), 0 0 110px rgba(37,99,235,.10),
    inset 0 0 0 2px #23262e}

  /* section cards: slightly softer */
  section{border-radius:16px;transition:box-shadow .25s ease}
  .demo h2{letter-spacing:-.022em}

  /* ============================================================
     APP UPGRADES — hints, gradient primary, document previews
     ============================================================ */
  .zap-mark{background:linear-gradient(135deg,#2563eb,#14b8a6)}
  .zap-btn.pri{background:linear-gradient(100deg,#2563eb,#0ea5a4)}
  .zap-tab.on svg{stroke:#2563eb}

  .zap-hint{display:flex;align-items:flex-start;gap:8px;background:#eff6ff;border:1px solid #dbeafe;
    border-radius:11px;padding:9px 11px;margin:12px 0 2px;font-size:11.5px;line-height:1.5;color:#1e40af}
  .zap-hint .ic{flex:none;width:16px;height:16px;border-radius:50%;background:#2563eb;color:#fff;
    display:grid;place-items:center;font-size:10px;font-weight:800;font-style:normal;margin-top:1px}
  .zap-hint button{flex:none;color:#93b4e8;font-size:14px;line-height:1;padding:1px 3px;margin-inline-start:auto}
  .zap[dir="rtl"] .zap-hint{text-align:right}

  /* document (pdf) preview overlay */
  .zap-docwrap{position:absolute;inset:0;z-index:12;background:#e8ecf2;display:flex;flex-direction:column}
  .zap-dochdr{display:flex;align-items:center;gap:9px;background:#0f172a;color:#fff;
    padding:34px 14px 11px;flex:none}
  .zap-dochdr .t{font-size:13px;font-weight:700}
  .zap-dochdr .s{font-size:10.5px;color:#94a3b8}
  .zap-dochdr .x{margin-inline-start:auto;width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.12);
    display:grid;place-items:center;color:#fff;font-size:15px}
  .zap-docbody{flex:1;overflow-y:auto;padding:12px 10px 16px;-webkit-overflow-scrolling:touch}

  /* the A4-style document — always LTR, always NL/EN */
  .zdoc{direction:ltr;text-align:left;background:#fff;border-radius:6px;margin:0 auto;max-width:340px;
    box-shadow:0 8px 30px rgba(15,23,42,.18);padding:20px 18px 16px;
    font-family:'Inter',sans-serif;color:#0f172a;font-size:9.5px;line-height:1.45}
  .zdoc-top{display:flex;justify-content:space-between;align-items:flex-start;
    border-top:3px solid #0f172a;padding-top:12px}
  .zdoc-logo{width:44px;height:44px;border-radius:9px;background:#f1f5f9;display:grid;place-items:center;
    font-size:15px;font-weight:800;color:#2563eb;letter-spacing:-.02em}
  .zdoc-h1{font-size:19px;font-weight:800;letter-spacing:-.02em;text-align:right;line-height:1}
  .zdoc-h1 small{display:block;font-size:8.5px;font-weight:600;color:#94a3b8;letter-spacing:.08em;margin-top:3px}
  .zdoc-meta{margin-top:8px;text-align:right}
  .zdoc-meta div{display:flex;justify-content:flex-end;gap:10px;padding:1.5px 0}
  .zdoc-meta span{color:#64748b}
  .zdoc-meta b{min-width:64px;text-align:right}
  .zdoc-issuer{margin-top:10px}
  .zdoc-issuer b{font-size:10.5px}
  .zdoc-issuer div{color:#64748b}
  .zdoc-cols{display:grid;grid-template-columns:1.2fr 1fr;gap:12px;margin-top:14px;
    border-top:1px solid #e2e8f0;padding-top:10px}
  .zdoc-lbl{font-size:7.8px;font-weight:800;letter-spacing:.09em;color:#94a3b8;margin-bottom:4px}
  .zdoc-cols b{font-size:10px}
  .zdoc-cols .r{display:flex;justify-content:space-between;gap:8px;padding:1.5px 0}
  .zdoc-cols .r span{color:#64748b}
  .zdoc table{width:100%;border-collapse:collapse;margin-top:14px;font-size:9px}
  .zdoc th{text-align:left;font-size:7.8px;letter-spacing:.07em;color:#94a3b8;font-weight:800;
    border-bottom:1px solid #cbd5e1;padding:4px 3px}
  .zdoc td{padding:6px 3px;border-bottom:1px solid #f1f5f9;vertical-align:top}
  .zdoc th.n,.zdoc td.n{text-align:right;white-space:nowrap}
  .zdoc td .sub{color:#94a3b8;font-size:8px}
  .zdoc-tot{margin-top:10px;margin-left:auto;width:62%}
  .zdoc-tot .r{display:flex;justify-content:space-between;padding:3px 2px;color:#475569}
  .zdoc-due{display:flex;justify-content:space-between;align-items:center;
    background:linear-gradient(100deg,#2563eb,#0ea5a4);color:#fff;border-radius:6px;
    padding:8px 10px;font-weight:800;font-size:11px;margin-top:5px}
  .zdoc-due small{font-weight:600;font-size:8px;opacity:.85;display:block}
  .zdoc-pay{margin-top:14px;border-top:1px solid #e2e8f0;padding-top:8px}
  .zdoc-pay .row{display:flex;gap:14px;flex-wrap:wrap;font-size:9px}
  .zdoc-foot{margin-top:12px;padding-top:8px;border-top:1px solid #f1f5f9;
    display:flex;align-items:center;gap:6px;color:#94a3b8;font-size:7.8px}
  .zdoc-foot .zm{width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,#2563eb,#14b8a6);
    display:grid;place-items:center;flex:none}
  .zdoc-foot .zm svg{width:7px;height:7px;fill:#fff}
  .zdoc .bil{color:#94a3b8;font-size:8px}

  /* app header controls — compact, fixed position across all languages */
  .zap-hdr{min-width:0}
  .zap-badge{flex:none}
  .zap-brand{white-space:nowrap}
  .zap-reset{width:30px;height:30px;flex:none;padding:0;display:grid;place-items:center;
    border-radius:9px;border:1px solid #e2e8f0;background:#fff}
  .zap-reset svg{width:14px;height:14px;stroke:#64748b;fill:none;stroke-width:2;
    stroke-linecap:round;stroke-linejoin:round}
  .zap-globe{position:relative;width:38px;height:32px;flex:none;border-radius:9px;
    border:1.5px solid #0d9488;background:#f0fdfa;display:grid;place-items:center}
  .zap-globe svg{width:17px;height:17px;stroke:#0d9488;fill:none;stroke-width:1.9;
    stroke-linecap:round;stroke-linejoin:round}
  .zap-globe .zc{position:absolute;top:-6px;inset-inline-end:-6px;background:#0d9488;color:#fff;
    font-size:8px;font-weight:800;letter-spacing:.03em;border-radius:7px;padding:2px 4.5px;
    line-height:1;font-style:normal}
  .zap-globe.on{border-color:#2563eb;background:#eff6ff}
  .zap-globe.on svg{stroke:#2563eb}
  .zap-globe.on .zc{background:#2563eb}

  /* one-sentence innovation pitch, under the hero sub */
  .hpitch{margin:-6px 0 26px;padding:11px 15px;border-left:3px solid var(--acc2);
    background:rgba(47,214,195,.07);border-radius:0 12px 12px 0;
    font-size:14.3px;line-height:1.62;color:var(--hi2);max-width:54ch}
  .hpitch b{color:#fff;font-weight:640}
  .hpitch i{font-style:normal;color:var(--acc2);font-weight:640}
  @media (max-width:640px){ .hpitch{font-size:13.6px;padding:10px 12px} }
  @media print{ .hpitch{display:none} }