:root{
    --navy-900:#0b1b3a;
    --navy-800:#0f254e;
    --navy-700:#12356e;
    --blue:#2f6bff;
    --blue-600:#245bdb;
    --blue-300:#8fb0ff;
    --ink:#0b1b3a;
    --ink-soft:#334966;
    --muted:#64748b;
    --muted-2:#94a3b8;
    --line:#e2e8f0;
    --surface:#ffffff;
    --surface-2:#f4f6fb;
    --surface-3:#e9eef7;
    --good:#0f9d6b;
    --bg:#ffffff;
    --card:#ffffff;
    --shadow:0 1px 2px rgba(11,27,58,.05), 0 6px 20px rgba(11,27,58,.06);
    --shadow-lg:0 24px 50px rgba(11,27,58,.14);
    --radius:14px;
    --radius-sm:10px;
    --maxw:1200px;
    --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono","Cascadia Code",Menlo,Consolas,monospace;
    --grid-line: repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 1px, transparent 1px 13px);
  }
  @media (prefers-color-scheme: dark){
    :root{
      --blue:#5a8bff;--blue-600:#4372e8;--blue-300:#33518f;
      --ink:#e8eefb;--ink-soft:#b9c6dc;--muted:#8b9bb5;--muted-2:#6b7c98;
      --line:#1e2c48;--surface:#0f1c34;--surface-2:#12213c;--surface-3:#182a49;
      --good:#3ecf8e;--bg:#0a1526;--card:#0f1d36;
      --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 26px rgba(0,0,0,.34);
      --shadow-lg:0 26px 58px rgba(0,0,0,.5);
    }
  }
  :root[data-theme="light"]{
    --blue:#2f6bff;--blue-600:#245bdb;--blue-300:#8fb0ff;--ink:#0b1b3a;--ink-soft:#334966;
    --muted:#64748b;--muted-2:#94a3b8;--line:#e2e8f0;--surface:#ffffff;--surface-2:#f4f6fb;--surface-3:#e9eef7;
    --good:#0f9d6b;--bg:#ffffff;--card:#ffffff;
    --shadow:0 1px 2px rgba(11,27,58,.05), 0 6px 20px rgba(11,27,58,.06);
    --shadow-lg:0 24px 50px rgba(11,27,58,.14);
  }
  :root[data-theme="dark"]{
    --blue:#5a8bff;--blue-600:#4372e8;--blue-300:#33518f;--ink:#e8eefb;--ink-soft:#b9c6dc;
    --muted:#8b9bb5;--muted-2:#6b7c98;--line:#1e2c48;--surface:#0f1c34;--surface-2:#12213c;--surface-3:#182a49;
    --good:#3ecf8e;--bg:#0a1526;--card:#0f1d36;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 26px rgba(0,0,0,.34);
    --shadow-lg:0 26px 58px rgba(0,0,0,.5);
  }

  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
  h1,h2,h3,h4{margin:0;line-height:1.14;letter-spacing:-.02em;text-wrap:balance;color:var(--ink)}
  p{margin:0}
  a{color:inherit;text-decoration:none}
  img,svg{max-width:100%}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  .eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);
    font-weight:600;display:inline-flex;align-items:center;gap:9px}
  .eyebrow::before{content:"";width:24px;height:1px;background:var(--blue);opacity:.55}
  .muted{color:var(--muted)}

  /* Buttons */
  .btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;padding:12px 20px;border-radius:8px;
    border:1px solid transparent;cursor:pointer;transition:transform .15s, box-shadow .2s, background .2s, color .2s, border-color .2s;
    font-family:var(--sans);white-space:nowrap}
  .btn:active{transform:translateY(1px)}
  .btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(47,107,255,.28)}
  .btn-primary:hover{background:var(--blue-600);box-shadow:0 10px 24px rgba(47,107,255,.36)}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
  .btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
  .btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.26)}
  .btn-light:hover{background:rgba(255,255,255,.2)}
  .btn svg{width:17px;height:17px}

  /* Header */
  header.site{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .navbar{display:flex;align-items:center;gap:20px;height:68px}
  .brand{display:flex;align-items:center;gap:11px;cursor:pointer;flex-shrink:0}
  .brand .mark{width:36px;height:36px;flex-shrink:0}
  .brand .word{display:flex;flex-direction:column;line-height:1}
  .brand .word b{font-size:18px;letter-spacing:.14em;color:var(--ink);font-weight:800}
  .brand .word span{font-family:var(--mono);font-size:8.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:4px}
  nav.main{display:flex;align-items:center;gap:2px;margin-left:12px}
  nav.main a{padding:8px 12px;border-radius:7px;font-size:14px;font-weight:500;color:var(--ink-soft);
    transition:background .15s, color .15s;position:relative;cursor:pointer}
  nav.main a:hover{background:var(--surface-2);color:var(--ink)}
  nav.main a.active{color:var(--blue);font-weight:600}
  nav.main a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;background:var(--blue);border-radius:2px}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:9px}
  .theme-btn{width:37px;height:37px;border-radius:8px;border:1px solid var(--line);background:var(--card);
    display:grid;place-items:center;cursor:pointer;color:var(--ink-soft);transition:.15s}
  .theme-btn:hover{color:var(--blue);border-color:var(--blue)}
  .theme-btn svg{width:18px;height:18px}
  .hamburger{display:none;width:39px;height:39px;border-radius:8px;border:1px solid var(--line);background:var(--card);cursor:pointer;color:var(--ink)}
  .hamburger svg{width:20px;height:20px}

  /* Views */
  .view{display:none;animation:rise .45s cubic-bezier(.2,.7,.2,1) both}
  .view.active{display:block}
  @keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
  @media (prefers-reduced-motion:reduce){.view,.msg,.pop{animation:none!important}*{scroll-behavior:auto!important}}

  section{padding:72px 0}
  .section-head{max-width:680px;margin-bottom:42px}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .section-head.center .eyebrow{justify-content:center}
  .section-head h2{font-size:clamp(27px,3.8vw,38px);font-weight:800;margin:15px 0 13px}
  .section-head p{color:var(--muted);font-size:16.5px}

  /* Hero */
  .hero{position:relative;overflow:hidden;color:#fff;padding:0;background-color:#0b1b3a;
    background-image:radial-gradient(1000px 480px at 82% -10%, rgba(47,107,255,.4), transparent 58%),
      linear-gradient(160deg,#0b1b3a 0%, #0f254e 55%, #12356e 100%)}
  .hero .grid-bg{position:absolute;inset:0;opacity:.5;pointer-events:none;
    background:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px) 0 0/100% 34px,
      linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/34px 100%}
  .hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;padding:74px 0 82px;position:relative;z-index:2}
  .pill{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
    color:#dbe6ff;font-size:12.5px;font-weight:600;padding:6px 13px;border-radius:999px}
  .pill .g{width:7px;height:7px;border-radius:50%;background:#3ecf8e;box-shadow:0 0 0 0 rgba(62,207,142,.6);animation:pulse 2.2s infinite}
  .hero h1{font-size:clamp(33px,5vw,54px);font-weight:800;color:#fff;line-height:1.05;margin:20px 0 0}
  .hero h1 .hl{background:linear-gradient(110deg,#fff,#a9c4ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
  .hero p.lead{color:#d6e2f7;font-size:18px;margin:20px 0 28px;max-width:540px}
  .hero-cta{display:flex;gap:13px;flex-wrap:wrap}
  .hero-badges{display:flex;gap:20px;margin-top:32px;flex-wrap:wrap}
  .hero-badges div{display:flex;align-items:center;gap:8px;color:#b7c6e2;font-size:13px}
  .hero-badges svg{width:15px;height:15px;color:#3ecf8e}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(62,207,142,.6)}70%{box-shadow:0 0 0 7px rgba(62,207,142,0)}100%{box-shadow:0 0 0 0 rgba(62,207,142,0)}}

  /* Hero console card */
  .console{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;overflow:hidden;
    backdrop-filter:blur(6px);box-shadow:0 30px 60px rgba(0,0,0,.42)}
  .console .bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04)}
  .console .bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.28)}
  .console .bar span{margin-left:8px;font-family:var(--mono);font-size:11.5px;color:#9fb2d6;letter-spacing:.05em}
  .console .body{padding:18px}
  .console .line{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#c3d1ea;
    padding:9px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .console .line:last-child{border-bottom:none}
  .console .line b{font-family:var(--mono);color:#fff;font-weight:600;font-variant-numeric:tabular-nums}
  .console .line .ok{color:#3ecf8e}
  .console .prog{height:6px;border-radius:4px;background:rgba(255,255,255,.12);margin-top:14px;overflow:hidden}
  .console .prog i{display:block;height:100%;width:78%;border-radius:4px;background:linear-gradient(90deg,#2f6bff,#8fb0ff)}
  .console .cap{font-family:var(--mono);font-size:11px;color:#8ea6cf;margin-top:9px;text-align:right}

  /* logos strip */
  .logos{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface-2)}
  .logos .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 24px;flex-wrap:wrap}
  .logos .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
  .logos .set{display:flex;gap:30px;flex-wrap:wrap;align-items:center}
  .logos .set span{font-weight:800;font-size:16px;color:var(--muted-2);letter-spacing:-.02em;opacity:.85}

  /* Stats */
  .stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding-top:12px}
  .stat{padding:6px 20px;border-left:2px solid var(--line)}
  .stat:first-child{border-left:none}
  .stat .num{font-size:33px;font-weight:800;letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums}
  .stat .num .u{color:var(--blue)}
  .stat .lbl{font-size:13px;color:var(--muted);margin-top:4px}

  /* Cards / grids */
  .grid{display:grid;gap:20px}
  .g3{grid-template-columns:repeat(3,1fr)}
  .g2{grid-template-columns:repeat(2,1fr)}
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
    transition:transform .2s, box-shadow .2s, border-color .2s;position:relative}
  .card.hoverable:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--blue-300)}
  .ic{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;margin-bottom:15px;
    background:var(--surface-3);color:var(--blue);border:1px solid var(--line)}
  .ic svg{width:23px;height:23px}
  .card h3{font-size:18.5px;font-weight:700;margin-bottom:8px}
  .card p{color:var(--muted);font-size:14.5px}
  .flist{list-style:none;padding:0;margin:15px 0 0;display:flex;flex-direction:column;gap:8px}
  .flist li{display:flex;gap:10px;font-size:13.8px;color:var(--ink-soft);align-items:flex-start}
  .flist li svg{width:15px;height:15px;color:var(--good);flex-shrink:0;margin-top:3px}
  .tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--blue);background:var(--surface-3);
    padding:4px 9px;border-radius:5px;display:inline-block;font-weight:600}

  /* Feature strip */
  .strip{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
  .opt-list{display:flex;flex-direction:column;gap:16px}
  .opt-item{display:flex;gap:15px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-sm);padding:17px;box-shadow:var(--shadow)}
  .opt-item .n{font-family:var(--mono);font-weight:700;color:var(--blue);font-size:13px;width:33px;height:33px;
    border-radius:8px;background:var(--surface-3);display:grid;place-items:center;flex-shrink:0}
  .opt-item h4{font-size:15.5px;margin-bottom:3px}
  .opt-item p{font-size:13.3px;color:var(--muted)}

  /* Testimonials */
  .tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .tcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);
    display:flex;flex-direction:column;gap:16px}
  .tcard .stars{display:flex;gap:2px;color:#f2b01e}
  .tcard .stars svg{width:16px;height:16px}
  .tcard blockquote{margin:0;font-size:15px;color:var(--ink-soft);line-height:1.6}
  .tcard .who{display:flex;align-items:center;gap:12px;margin-top:auto}
  .tcard .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,var(--navy-700),var(--blue));
    color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;flex-shrink:0}
  .tcard .who b{font-size:14.5px;display:block}
  .tcard .who span{font-size:12.5px;color:var(--muted)}

  /* Case studies */
  .case{display:grid;grid-template-columns:1.2fr 1fr;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--shadow);background:var(--card)}
  .case .body{padding:34px}
  .case .side{background:linear-gradient(160deg,var(--navy-800),var(--blue));color:#fff;padding:34px;display:flex;
    flex-direction:column;justify-content:center;gap:16px;position:relative;overflow:hidden}
  .case .side .grid-bg{position:absolute;inset:0;background:var(--grid-line);opacity:.4}
  .case .side .big{font-size:50px;font-weight:800;letter-spacing:-.03em;position:relative;font-variant-numeric:tabular-nums}
  .case .side .big span{font-size:23px;color:var(--blue-300)}
  .case .side p{position:relative;color:#c3d1ea;font-size:13.5px}
  .case .body h3{font-size:22px;margin-bottom:11px}
  .case .body p{color:var(--muted);font-size:14.5px;margin-bottom:15px}
  .quote{border-left:3px solid var(--blue);padding:9px 0 9px 17px;font-size:14.5px;color:var(--ink-soft);font-style:italic}
  .quote cite{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:7px;font-weight:600}

  .cs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .cs-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
    transition:.2s;display:flex;flex-direction:column}
  .cs-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
  .cs-card .top{height:104px;background:linear-gradient(150deg,var(--navy-800),var(--blue));position:relative;display:flex;align-items:flex-end;padding:15px}
  .cs-card .top .grid-bg{position:absolute;inset:0;background:var(--grid-line);opacity:.4}
  .cs-card .top .tag{background:rgba(255,255,255,.16);color:#fff;position:relative}
  .cs-card .in{padding:19px;display:flex;flex-direction:column;gap:9px;flex:1}
  .cs-card .in h4{font-size:16px}
  .cs-card .in p{font-size:13.2px;color:var(--muted)}
  .cs-card .metric{margin-top:auto;font-weight:800;font-size:25px;color:var(--blue);letter-spacing:-.02em}

  /* CTA band */
  .cta-band{background:linear-gradient(120deg,var(--navy-900),var(--navy-700));color:#fff;border-radius:18px;padding:50px;
    position:relative;overflow:hidden;text-align:center}
  .cta-band .grid-bg{position:absolute;inset:0;background:var(--grid-line);opacity:.4}
  .cta-band h2{color:#fff;font-size:clamp(25px,3.2vw,34px);position:relative;font-weight:800}
  .cta-band p{color:#c3d1ea;max-width:540px;margin:13px auto 24px;position:relative}
  .cta-band .row{display:flex;gap:13px;justify-content:center;flex-wrap:wrap;position:relative}

  /* Lead capture */
  .lead{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .lead-inner{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
  .lead-inner h2{font-size:clamp(24px,3vw,32px);font-weight:800;margin:14px 0 12px}
  .lead-inner p{color:var(--muted);font-size:15.5px}
  .lead-form{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow-lg)}
  .lead-form .row{display:flex;gap:12px}
  .lead-form .field{flex:1;margin-bottom:12px}
  .lead-form .full{margin-bottom:14px}
  .lead-note{font-size:12px;color:var(--muted);margin-top:10px;display:flex;align-items:center;gap:7px}
  .lead-note svg{width:14px;height:14px;color:var(--good)}
  .lead-success{display:none;align-items:center;gap:12px;background:var(--surface-3);border:1px solid var(--line);border-radius:12px;padding:16px}
  .lead-success.show{display:flex;animation:pop .4s ease both}
  .lead-success .b{width:38px;height:38px;border-radius:50%;background:var(--card);color:var(--good);display:grid;place-items:center;flex-shrink:0}
  .lead-success .b svg{width:20px;height:20px}
  .lead-success b{font-size:14.5px}.lead-success p{font-size:13px}

  /* Chatbot */
  .chat-shell{display:grid;grid-template-columns:.82fr 1.18fr;gap:34px;align-items:stretch}
  .chat-feats{display:flex;flex-direction:column;gap:13px}
  .chat-feats .card{padding:19px}
  .api-note{font-size:12px;color:var(--muted);background:var(--surface-2);border:1px dashed var(--line);border-radius:10px;
    padding:12px 14px;display:flex;gap:9px;align-items:flex-start}
  .api-note svg{width:15px;height:15px;color:var(--blue);flex-shrink:0;margin-top:2px}
  .api-note code{font-family:var(--mono);font-size:11px;background:var(--surface-3);padding:1px 5px;border-radius:4px;color:var(--ink-soft)}
  .chatbox{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);display:flex;
    flex-direction:column;overflow:hidden;min-height:540px;max-height:640px}
  .chat-head{display:flex;align-items:center;gap:12px;padding:15px 19px;background:linear-gradient(120deg,var(--navy-800),var(--blue));color:#fff}
  .chat-head .av{width:39px;height:39px;border-radius:10px;background:rgba(255,255,255,.16);display:grid;place-items:center}
  .chat-head .av svg{width:21px;height:21px}
  .chat-head b{font-size:14.5px;display:block}
  .chat-head small{font-size:11.5px;color:#c3d1ea;display:flex;align-items:center;gap:6px}
  .chat-head .dot{width:7px;height:7px;border-radius:50%;background:#3ecf8e;box-shadow:0 0 0 0 rgba(62,207,142,.6);animation:pulse 2s infinite}
  .chat-log{flex:1;overflow-y:auto;padding:19px;display:flex;flex-direction:column;gap:13px;background:var(--surface-2)}
  .msg{max-width:84%;padding:11px 15px;border-radius:14px;font-size:14.3px;line-height:1.5;animation:pop .28s ease both}
  @keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
  .msg.bot{background:var(--card);border:1px solid var(--line);color:var(--ink-soft);border-bottom-left-radius:5px;align-self:flex-start}
  .msg.user{background:var(--blue);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
  .msg.bot b{color:var(--ink)}
  .msg .spec{font-family:var(--mono);font-size:12px;background:var(--surface-2);border-radius:7px;padding:8px 10px;margin-top:8px;display:block;color:var(--ink-soft)}
  .typing{align-self:flex-start;background:var(--card);border:1px solid var(--line);padding:13px 16px;border-radius:14px;border-bottom-left-radius:5px;display:flex;gap:5px}
  .typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:bounce 1.3s infinite}
  .typing span:nth-child(2){animation-delay:.18s}.typing span:nth-child(3){animation-delay:.36s}
  @keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}
  .quick{display:flex;gap:8px;flex-wrap:wrap;padding:12px 16px 4px;background:var(--surface-2)}
  .quick button{font-size:12.3px;font-weight:600;color:var(--blue);background:var(--card);border:1px solid var(--line);
    padding:7px 12px;border-radius:999px;cursor:pointer;transition:.15s;font-family:var(--sans)}
  .quick button:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
  .chat-input{display:flex;gap:10px;padding:13px 16px;border-top:1px solid var(--line);background:var(--card)}
  .chat-input input{flex:1;border:1px solid var(--line);background:var(--surface-2);border-radius:999px;padding:12px 16px;font-size:14.3px;color:var(--ink);font-family:var(--sans);outline:none}
  .chat-input input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,107,255,.16)}
  .chat-input button{width:44px;height:44px;border-radius:50%;background:var(--blue);border:none;color:#fff;cursor:pointer;display:grid;place-items:center;flex-shrink:0;transition:.15s}
  .chat-input button:hover{background:var(--blue-600)}
  .chat-input button:disabled{opacity:.5;cursor:not-allowed}
  .chat-input button svg{width:18px;height:18px}

  /* Estimator */
  .estimator{display:grid;grid-template-columns:1fr 1fr;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:var(--card)}
  .est-form{padding:32px;position:relative;
    background:linear-gradient(var(--card),var(--card)) padding-box,
      repeating-linear-gradient(0deg,transparent 0 27px,var(--surface-3) 27px 28px),
      repeating-linear-gradient(90deg,transparent 0 27px,var(--surface-3) 27px 28px)}
  .est-form h3{font-size:19px;margin-bottom:5px}
  .est-form>p{color:var(--muted);font-size:13.5px;margin-bottom:20px}
  .field{margin-bottom:16px}
  .field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-bottom:6px}
  .field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;
    background:var(--card);color:var(--ink);font-size:14.3px;font-family:var(--sans);outline:none;transition:.15s}
  .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,107,255,.16)}
  .field textarea{resize:vertical;min-height:104px}
  .est-result{background:linear-gradient(160deg,var(--navy-900),var(--navy-700));color:#fff;padding:32px;display:flex;flex-direction:column;gap:15px;position:relative;overflow:hidden}
  .est-result .grid-bg{position:absolute;inset:0;background:var(--grid-line);opacity:.4}
  .est-result h4{color:#fff;font-size:14.5px;position:relative;font-weight:600}
  .er-big{position:relative;font-size:56px;font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
  .er-big span{font-size:24px;color:var(--blue-300)}
  .er-sub{position:relative;color:#a9c4ff;font-size:13.5px;margin-top:-4px}
  .er-rows{position:relative;display:flex;flex-direction:column;gap:11px;margin-top:6px}
  .er-row{display:flex;justify-content:space-between;font-size:13.5px;padding-bottom:11px;border-bottom:1px solid rgba(255,255,255,.12);color:#c3d1ea}
  .er-row:last-child{border-bottom:none}
  .er-row b{color:#fff;font-family:var(--mono);font-variant-numeric:tabular-nums}
  .er-note{position:relative;font-size:11.5px;color:#8ea6cf;margin-top:auto}

  /* Industries */
  .ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .ind{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:23px;transition:.2s;box-shadow:var(--shadow)}
  .ind:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--blue-300)}
  .ind .ic{margin-bottom:13px}
  .ind h4{font-size:16.5px;margin-bottom:6px}
  .ind p{font-size:13.2px;color:var(--muted)}

  /* Blog */
  .blog-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s}
  .blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--blue-300)}
  .blog-thumb{height:138px;position:relative;display:flex;align-items:flex-end;padding:15px;background:linear-gradient(150deg,var(--navy-800),var(--blue))}
  .blog-thumb::after{content:"";position:absolute;inset:0;background:var(--grid-line);opacity:.4}
  .blog-thumb .tag{position:relative;background:rgba(255,255,255,.18);color:#fff}
  .blog-in{padding:19px;display:flex;flex-direction:column;gap:9px;flex:1}
  .blog-meta{font-family:var(--mono);font-size:11px;letter-spacing:.03em;color:var(--muted)}
  .blog-card h4{font-size:16.5px;line-height:1.32}
  .blog-in p{font-size:13.4px;color:var(--muted)}
  .blog-more{margin-top:auto;font-size:13px;font-weight:600;color:var(--blue)}
  .blog-modal{position:fixed;inset:0;z-index:80;display:none;align-items:flex-start;justify-content:center;padding:40px 20px;overflow-y:auto}
  .blog-modal.open{display:flex}
  .blog-modal-bg{position:fixed;inset:0;background:rgba(11,27,58,.55);backdrop-filter:blur(3px)}
  .blog-modal-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;max-width:760px;width:100%;box-shadow:var(--shadow-lg);overflow:hidden;margin:auto;animation:pop .3s ease both}
  .blog-close{position:absolute;top:14px;right:14px;z-index:2;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(11,27,58,.35);color:#fff;cursor:pointer;display:grid;place-items:center;transition:.15s}
  .blog-close:hover{background:rgba(11,27,58,.6)}
  .blog-close svg{width:17px;height:17px}
  .blog-hero{height:170px;background:linear-gradient(150deg,var(--navy-800),var(--blue));position:relative;display:flex;align-items:flex-end;padding:22px}
  .blog-hero::after{content:"";position:absolute;inset:0;background:var(--grid-line);opacity:.4}
  .blog-hero .tag{position:relative;background:rgba(255,255,255,.18);color:#fff}
  .blog-body{padding:26px 32px 32px}
  .blog-body .bmeta{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:10px}
  .blog-body h3{font-size:25px;margin-bottom:14px}
  .blog-body h4{font-size:17px;margin:22px 0 8px}
  .blog-body p{color:var(--ink-soft);font-size:15px;margin-bottom:14px;line-height:1.72}
  .blog-body ul{color:var(--ink-soft);font-size:15px;padding-left:20px;margin:0 0 14px;display:flex;flex-direction:column;gap:6px}
  .blog-body .spec{font-family:var(--mono);font-size:13px;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:12px 14px;margin-bottom:14px;display:block;color:var(--ink-soft);white-space:pre-wrap;line-height:1.7}

  /* Standards table */
  .std-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);background:var(--card)}
  table.std{width:100%;border-collapse:collapse;font-size:13.5px;min-width:520px}
  table.std th,table.std td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
  table.std th{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--surface-2)}
  table.std td:first-child{font-family:var(--mono);font-weight:600;color:var(--blue)}
  table.std tr:last-child td{border-bottom:none}
  table.std .cd{color:#dc3546;font-weight:600}
  table.std .mj{color:#e08a1e;font-weight:600}
  table.std .mn{color:var(--good);font-weight:600}

  /* About */
  .about-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}
  .values{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
  .value{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:21px;box-shadow:var(--shadow)}
  .value .ic{width:40px;height:40px;margin-bottom:11px}
  .value h4{font-size:15.5px;margin-bottom:5px}
  .value p{font-size:13.2px;color:var(--muted)}
  .hq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:7px;box-shadow:var(--shadow-lg);overflow:hidden}
  .hq-map{height:230px;border-radius:11px;position:relative;overflow:hidden;
    background:radial-gradient(circle at 58% 46%, rgba(47,107,255,.16), transparent 55%),
      repeating-linear-gradient(0deg,var(--surface-2) 0 22px,var(--surface-3) 22px 23px),
      repeating-linear-gradient(90deg,var(--surface-2) 0 22px,var(--surface-3) 22px 23px)}
  .hq-map .pin{position:absolute;left:58%;top:46%;transform:translate(-50%,-100%);color:var(--blue)}
  .hq-map .pin svg{width:38px;height:38px;filter:drop-shadow(0 6px 10px rgba(11,27,58,.3))}
  .hq-meta{padding:18px 15px 13px;display:flex;flex-direction:column;gap:6px}
  .hq-meta b{font-size:15.5px}
  .hq-meta .r{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:13.5px}
  .hq-meta .r svg{width:15px;height:15px;color:var(--blue);flex-shrink:0;margin-top:2px}

  /* Contact */
  .contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start}
  .form-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow-lg)}
  .form-card h3{font-size:21px;margin-bottom:5px}
  .form-card>p{color:var(--muted);font-size:14px;margin-bottom:22px}
  .frow{display:grid;grid-template-columns:1fr 1fr;gap:15px}
  .field .err{color:#dc3546;font-size:12px;margin-top:5px;display:none}
  .field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#dc3546}
  .field.invalid .err{display:block}
  .form-success{display:none;flex-direction:column;align-items:center;text-align:center;gap:13px;padding:28px 10px}
  .form-success.show{display:flex;animation:pop .4s ease both}
  .form-success .badge{width:64px;height:64px;border-radius:50%;background:var(--surface-3);color:var(--good);display:grid;place-items:center}
  .form-success .badge svg{width:32px;height:32px}
  .form-success h3{font-size:21px}
  .contact-side{display:flex;flex-direction:column;gap:15px}
  .ci{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:21px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:flex-start}
  .ci .ic{width:43px;height:43px;margin:0;flex-shrink:0}
  .ci b{font-size:14.5px;display:block;margin-bottom:3px}
  .ci p{font-size:13.8px;color:var(--muted)}

  /* Footer */
  footer.site{background:var(--navy-900);color:#c3d1ea;position:relative;overflow:hidden}
  footer.site .grid-bg{position:absolute;inset:0;background:var(--grid-line);opacity:.3}
  .foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;padding:54px 0 38px;position:relative}
  .foot-brand .word b{color:#fff}
  .foot-brand p{color:#8ea6cf;font-size:13.5px;margin-top:15px;max-width:290px}
  .foot-col h5{font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;color:#fff;margin:0 0 15px;font-family:var(--mono);font-weight:600}
  .foot-col a{display:block;color:#a1b3d4;font-size:13.8px;padding:5px 0;cursor:pointer;transition:.15s}
  .foot-col a:hover{color:#fff}
  .foot-col .ci-line{display:flex;gap:9px;color:#a1b3d4;font-size:13.3px;padding:5px 0;align-items:flex-start}
  .foot-col .ci-line svg{width:15px;height:15px;flex-shrink:0;margin-top:2px;color:var(--blue-300)}
  .foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:19px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;position:relative;font-size:12.8px;color:#7387ab}
  .foot-bottom .socials{display:flex;gap:9px}
  .foot-bottom .socials a{width:33px;height:33px;border-radius:8px;border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;color:#a1b3d4;transition:.15s}
  .foot-bottom .socials a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
  .foot-bottom .socials svg{width:15px;height:15px}

  /* Mobile nav */
  .mobile-nav{display:none;position:fixed;inset:68px 0 0;z-index:49;background:var(--bg);padding:20px 24px;flex-direction:column;gap:5px;animation:rise .3s ease both;overflow-y:auto}
  .mobile-nav.open{display:flex}
  .mobile-nav a{padding:14px 12px;border-radius:10px;font-size:17px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line);cursor:pointer}
  .mobile-nav a.active{color:var(--blue)}
  .mobile-nav .btn{margin-top:14px;justify-content:center}

  @media(max-width:960px){
    nav.main{display:none}
    .hamburger{display:grid;place-items:center}
    .nav-right .btn:not(.icon-only){display:none}
    .hero-inner,.split,.chat-shell,.estimator,.contact-grid,.about-hero,.case,.lead-inner{grid-template-columns:1fr}
    .hero-inner{padding:50px 0 58px;gap:32px}
    .g3,.cs-grid,.ind-grid,.tgrid{grid-template-columns:1fr 1fr}
    .stats .wrap{grid-template-columns:repeat(2,1fr);gap:18px}
    .stat{border-left:none}
    .foot-top{grid-template-columns:1fr 1fr;gap:26px}
    section{padding:54px 0}
  }
  @media(max-width:560px){
    .g3,.g2,.cs-grid,.ind-grid,.tgrid,.values,.frow,.lead-form .row{grid-template-columns:1fr}
    .lead-form .row{display:block}
    .stats .wrap{grid-template-columns:1fr 1fr}
    .brand .word span{display:none}
    .cta-band{padding:34px 22px}
    .hero h1{font-size:31px}
    .est-form,.est-result,.form-card,.lead-form{padding:22px}
    .foot-top{grid-template-columns:1fr}
    .blog-modal{padding:20px 12px}.blog-body{padding:22px}
  }

/* --- multi-page additions --- */
.pagesec{display:block;animation:rise .45s cubic-bezier(.2,.7,.2,1) both}
.section-head h1{font-size:clamp(27px,3.8vw,38px);font-weight:800;margin:15px 0 13px}
.blog-body h1{font-size:clamp(24px,3.4vw,31px);font-weight:800;margin:0 0 14px}
.blog-card h3{font-size:16.5px;line-height:1.32}
.foot-col h2{font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;color:#fff;margin:0 0 15px;font-family:var(--mono);font-weight:600}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumbs a{color:var(--blue)}
.crumbs a:hover{text-decoration:underline}
.crumbs span{color:var(--muted-2)}
.faq{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-weight:600;font-size:15.5px;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--blue)}
.faq-item summary svg{width:18px;height:18px;color:var(--muted);flex-shrink:0;transition:transform .2s}
.faq-item[open] summary svg{transform:rotate(180deg)}
.faq-item[open] summary{border-bottom:1px solid var(--line)}
.faq-a{padding:16px 20px 20px}
.faq-a p{color:var(--ink-soft);font-size:14.5px;line-height:1.72;max-width:68ch}
/* chat message badges - "computed" is the signal that the engine ran */
.msg-badge{display:inline-flex;align-items:center;gap:5px;margin-top:10px;padding:3px 8px;border-radius:999px;
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.02em;line-height:1.4;cursor:default}
.msg-badge svg{flex-shrink:0}
.msg-badge.computed{background:rgba(15,157,107,.12);color:var(--good);border:1px solid rgba(15,157,107,.3)}
.msg-badge.warn{background:rgba(224,138,30,.12);color:#b06d14;border:1px solid rgba(224,138,30,.3)}
:root[data-theme="dark"] .msg-badge.warn{color:#f0a45c}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .msg-badge.warn{color:#f0a45c}}
.msg.bot a{color:var(--blue);text-decoration:underline}
/* blog header artwork - inline SVG, fills the hero/thumb, sits under the tag */
.blog-hero,.blog-thumb{position:relative;overflow:hidden}
.hero-art{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}
.blog-hero .tag,.blog-thumb .tag{position:relative;z-index:2}
.blog-hero{height:220px}
.blog-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,27,58,.55),transparent 60%)}
.blog-thumb .tag{z-index:3}
/* listen-to-article player */
.listen{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:0 0 22px}
.listen-head{display:flex;align-items:center;gap:9px;margin-bottom:10px;color:var(--ink)}
.listen-head svg{color:var(--blue);flex-shrink:0}
.listen-head b{font-size:14.5px}
.listen-head span{font-family:var(--mono);font-size:12px;color:var(--muted);margin-left:auto}
.listen audio{width:100%;height:38px;display:block}
@media(max-width:560px){.blog-hero{height:170px}}
/* long-form industry / capability pages */
.longform{max-width:820px}
.longform h2{font-size:clamp(20px,2.5vw,25px);font-weight:800;margin:36px 0 12px}
.longform h3{font-size:17px;font-weight:700;margin:24px 0 8px}
.longform p{color:var(--ink-soft);font-size:15.5px;line-height:1.75;margin-bottom:15px}
.longform ul{color:var(--ink-soft);font-size:15.5px;line-height:1.7;padding-left:22px;margin:0 0 15px;display:flex;flex-direction:column;gap:8px}
.longform li{padding-left:2px}
.longform .spec{font-family:var(--mono);font-size:13px;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:14px 16px;margin:0 0 16px;display:block;color:var(--ink-soft);white-space:pre-wrap;line-height:1.75;overflow-x:auto}
.longform b{color:var(--ink)}
/* cards that are whole links */
.card-link{display:flex;flex-direction:column;cursor:pointer}
.card-link .card-more{margin-top:14px;font-size:13.5px;font-weight:600;color:var(--blue)}
.ind.card-link h3{font-size:16.5px;margin-bottom:6px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s;display:block}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--blue-300)}
.rel-card b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:5px}
.rel-card span{font-size:12.8px;color:var(--muted);line-height:1.55}
@media(max-width:960px){.rel-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.rel-grid{grid-template-columns:1fr}}
a.ci-line:hover{color:#fff}
.article-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden}
@media (prefers-reduced-motion:reduce){.pagesec{animation:none}}