:root{
    --paper:#F5F7F9;
    --panel:#FFFFFF;
    --ink:#0A2540;        /* brand navy */
    --ink-2:#08203A;
    --muted:#586B7D;
    --faint:#8A99A8;
    --line:#E5EAEF;
    --line-strong:#D5DDE4;
    --cyan:#22D3EE;       /* brand cyan */
    --cyan-ink:#0E8FA8;   /* cyan readable on light */
    --ok:#17B26A;
    --warn:#E0A210;
    --bad:#E5484D;
    --radius:16px;
    --max:1140px;
    --mono:'JetBrains Mono',ui-monospace,monospace;
    --display:'Archivo',system-ui,sans-serif;
    --body:'Inter',system-ui,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{background:var(--paper);color:var(--ink);font-family:var(--body);
    line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 28px}

  /* triangle motif from the brand mark */
  .tri{display:inline-block;width:0;height:0;vertical-align:middle}
  .tri.up{border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:8px solid var(--cyan)}
  .tri.down{border-left:5px solid transparent;border-right:5px solid transparent;border-top:8px solid var(--cyan)}

  /* ---------- nav ---------- */
  header{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
    background:rgba(245,247,249,.8);border-bottom:1px solid var(--line)}
  nav{display:flex;align-items:center;justify-content:space-between;height:74px}
  .logo{height:19px;width:auto;display:block}
  .nav-links{display:flex;align-items:center;gap:32px}
  .nav-links a{font-size:14px;color:var(--muted);font-weight:500;transition:color .2s}
  .nav-links a:hover{color:var(--ink)}
  .btn{font-family:var(--body);font-weight:600;font-size:14px;cursor:pointer;border:none;
    transition:.2s;border-radius:10px;padding:12px 22px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
  .btn-primary{background:var(--ink);color:#fff}
  .btn-primary:hover{background:var(--ink-2);transform:translateY(-1px);box-shadow:0 8px 22px -10px rgba(10,37,64,.5)}
  .btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-strong)}
  .btn-ghost:hover{border-color:var(--ink);background:#fff}
  .menu-toggle{display:none;background:none;border:none;color:var(--ink);cursor:pointer}

  /* ---------- hero ---------- */
  .hero{padding:90px 0 80px;position:relative;overflow:hidden}
  .hero .mark-wm{position:absolute;right:-60px;top:20px;width:520px;opacity:.05;pointer-events:none;
    filter:grayscale(.2)}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;position:relative}
  .eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;color:var(--muted);
    text-transform:uppercase;display:flex;align-items:center;gap:9px}
  h1{font-family:var(--display);font-weight:800;letter-spacing:-.035em;
    font-size:clamp(40px,6vw,68px);line-height:1;margin:24px 0 24px;max-width:14ch}
  h1 .dim{color:var(--muted);font-weight:600}
  .lede{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:48ch;margin-bottom:34px}
  .hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
  .hero-cta .note{font-family:var(--mono);font-size:12px;color:var(--faint)}

  /* signature status panel */
  .panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:0 30px 60px -30px rgba(10,37,64,.18);overflow:hidden}
  .panel-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;
    border-bottom:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--muted)}
  .live{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:500}
  .dot{width:8px;height:8px;border-radius:50%;flex:none;position:relative}
  .dot.ok{background:var(--ok)}
  .dot.ok::after{content:"";position:absolute;inset:-5px;border-radius:50%;background:var(--ok);
    opacity:.3;animation:pulse 2.4s ease-out infinite}
  @keyframes pulse{0%{transform:scale(.6);opacity:.5}100%{transform:scale(2.6);opacity:0}}
  .panel-body{padding:22px 20px}
  .spark{display:flex;align-items:flex-end;gap:4px;height:56px;margin-bottom:20px}
  .spark i{flex:1;background:var(--line-strong);border-radius:3px;display:block;
    animation:breathe 3.2s ease-in-out infinite}
  .spark i.hi{background:var(--cyan)}
  @keyframes breathe{0%,100%{opacity:.6}50%{opacity:1}}
  .pmetrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
  .pmetric{text-align:left}
  .pmetric b{font-family:var(--display);font-weight:700;font-size:24px;letter-spacing:-.02em;display:block;color:var(--ink)}
  .pmetric span{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--faint);text-transform:uppercase}

  /* ---------- section shell ---------- */
  .sec{padding:100px 0;border-top:1px solid var(--line)}
  .kicker{font-family:var(--mono);font-size:12px;letter-spacing:.13em;color:var(--cyan-ink);
    text-transform:uppercase;display:inline-flex;align-items:center;gap:8px}
  .sec-head{max-width:60ch;margin-bottom:60px}
  .sec-head h2{font-family:var(--display);font-weight:700;letter-spacing:-.03em;
    font-size:clamp(28px,4vw,44px);line-height:1.06;margin:16px 0 14px}
  .sec-h2{font-family:var(--display);font-weight:700;letter-spacing:-.03em;
    font-size:clamp(26px,3.6vw,38px);line-height:1.08;margin:16px 0 20px}
  .sec-head p{color:var(--muted);font-size:16px;max-width:46ch}

  /* ---------- about ---------- */
  .about-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:start}
  .about-grid .lead-p{color:var(--ink);font-size:19px;margin-bottom:20px;font-weight:400}
  .about-grid p{color:var(--muted);font-size:16px;margin-bottom:18px}
  .about-grid strong{color:var(--ink);font-weight:600}
  .facts{display:flex;flex-direction:column}
  .fact{padding:20px 0;border-top:1px solid var(--line);display:flex;align-items:baseline;gap:16px}
  .fact:first-child{border-top:none;padding-top:0}
  .fact .tri{margin-right:2px}
  .fact b{font-family:var(--display);font-size:20px;font-weight:700;letter-spacing:-.01em;flex:1}
  .fact span{font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.06em}

  /* ---------- services : spec-sheet ---------- */
  .spec{display:grid;grid-template-columns:repeat(3,1fr)}
  .spec .col{padding:0 32px;border-left:1px solid var(--line)}
  .spec .col:first-child{padding-left:0;border-left:none}
  .spec .idx{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--faint);
    text-transform:uppercase;display:flex;align-items:center;gap:8px;margin-bottom:26px}
  .spec .ico{color:var(--ink);margin-bottom:18px}
  .spec h3{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.01em;margin-bottom:12px}
  .spec p{color:var(--muted);font-size:15px}

  /* ---------- product ---------- */
  .product{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}
  .badge{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;
    letter-spacing:.1em;color:var(--cyan-ink);border:1px solid var(--line-strong);
    background:#fff;padding:6px 12px;border-radius:30px;text-transform:uppercase}
  .product h3{font-family:var(--display);font-weight:700;font-size:clamp(28px,3.6vw,40px);
    letter-spacing:-.03em;margin:18px 0 16px}
  .product > div > p{color:var(--muted);font-size:16px;margin-bottom:24px;max-width:42ch}
  .flist{list-style:none;display:flex;flex-direction:column;gap:14px;margin-bottom:30px}
  .flist li{display:flex;gap:12px;font-size:15px;color:var(--ink)}
  .flist li svg{flex:none;margin-top:3px;color:var(--ok)}
  .dash{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;
    box-shadow:0 30px 70px -30px rgba(10,37,64,.25)}
  .dash-top{display:flex;align-items:center;gap:8px;padding:15px 18px;border-bottom:1px solid var(--line);
    font-family:var(--mono);font-size:12px;color:var(--muted)}
  .dash-top .tl{display:flex;gap:6px;margin-right:6px}
  .dash-top .tl i{width:10px;height:10px;border-radius:50%;background:var(--line-strong)}
  .dash-stats{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}
  .dstat{padding:22px 16px;text-align:center;border-right:1px solid var(--line)}
  .dstat:last-child{border-right:none}
  .dstat b{font-family:var(--display);font-size:32px;font-weight:700;display:block;letter-spacing:-.02em}
  .dstat span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--faint);text-transform:uppercase}
  .dstat.ok b{color:var(--ok)}.dstat.warn b{color:var(--warn)}.dstat.bad b{color:var(--bad)}
  .drow{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;
    border-bottom:1px solid var(--line);font-family:var(--mono);font-size:13px}
  .drow:last-child{border-bottom:none}
  .drow .d-name{display:flex;align-items:center;gap:11px;color:var(--ink)}
  .bar{height:4px;border-radius:3px;background:var(--line);margin-top:6px;overflow:hidden}
  .bar i{display:block;height:100%;border-radius:3px}

  /* products grid */
  .feat-lead{font-family:var(--mono);font-size:11px;letter-spacing:.13em;color:var(--faint);
    text-transform:uppercase;display:flex;align-items:center;gap:8px;margin:72px 0 22px}
  .feat-lead::after{content:"";flex:1;height:1px;background:var(--line)}
  .prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
    transition:.25s;display:flex;flex-direction:column}
  .pcard:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 22px 44px -26px rgba(10,37,64,.2)}
  .pcard .pico{color:var(--ink);margin-bottom:20px}
  .pcard .ptag{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--cyan-ink);
    text-transform:uppercase;margin-bottom:10px}
  .pcard h4,.pcard-title{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:-.01em;margin-bottom:11px}
  .pcard p{color:var(--muted);font-size:14.5px;flex:1}
  .pcard .plink{font-family:var(--mono);font-size:12px;color:var(--cyan-ink);margin-top:20px;
    display:inline-flex;align-items:center;gap:7px;transition:gap .2s}
  .pcard .plink:hover{gap:11px}

  /* ---------- faq ---------- */
  .faq{max-width:780px;margin:0 auto}
  .qa{border-bottom:1px solid var(--line)}
  .qa button{width:100%;background:none;border:none;color:var(--ink);cursor:pointer;text-align:left;
    display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 4px;
    font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-.01em}
  .qa .plus{color:var(--cyan-ink);flex:none;font-size:22px;transition:.3s;font-family:var(--mono)}
  .qa[data-open="true"] .plus{transform:rotate(45deg)}
  .qa .ans{max-height:0;overflow:hidden;transition:max-height .35s ease}
  .qa .ans p{color:var(--muted);font-size:15px;padding:0 4px 26px;max-width:66ch}

  /* ---------- contact ---------- */
  .contact-grid{display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:start}
  .form{display:flex;flex-direction:column;gap:16px}
  .field label{font-family:var(--mono);font-size:11.5px;color:var(--faint);letter-spacing:.06em;
    display:block;margin-bottom:7px;text-transform:uppercase}
  .field input,.field textarea{width:100%;background:#fff;border:1px solid var(--line-strong);
    border-radius:10px;padding:13px 15px;color:var(--ink);font-family:var(--body);font-size:15px;transition:border-color .2s}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan-ink)}
  .field input::placeholder,.field textarea::placeholder{color:var(--faint)}
  .field textarea{resize:vertical;min-height:120px}
  .contact-info{display:flex;flex-direction:column;gap:14px}
  .ci{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff}
  .ci .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--faint);
    text-transform:uppercase;margin-bottom:8px}
  .ci .val{font-size:16px;color:var(--ink)}
  .ci .val a:hover{color:var(--cyan-ink)}

  /* ---------- footer (navy anchor) ---------- */
  footer{background:var(--ink);color:#fff;padding:72px 0 36px;position:relative}
  footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,var(--cyan),rgba(34,211,238,0) 55%)}
  .foot-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;
    border-bottom:1px solid rgba(255,255,255,.1)}
  .foot .flogo{height:22px;margin-bottom:20px}
  .foot-brand p{color:rgba(255,255,255,.6);font-size:14px;max-width:30ch;margin-bottom:22px}
  .foot-status{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);
    font-size:12px;color:rgba(255,255,255,.7)}
  .fcol h4{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
    color:rgba(255,255,255,.4);margin-bottom:16px}
  .fcol a{display:block;color:rgba(255,255,255,.78);font-size:14px;margin-bottom:12px;transition:color .2s;width:fit-content}
  .fcol a:hover{color:var(--cyan)}
  .foot-bot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;padding-top:28px}
  .foot-bot .small{font-family:var(--mono);font-size:12px;color:rgba(255,255,255,.42)}
  .foot-social{display:flex;gap:10px}
  .foot-social a{width:36px;height:36px;border:1px solid rgba(255,255,255,.16);border-radius:9px;
    display:grid;place-items:center;color:rgba(255,255,255,.7);transition:.2s}
  .foot-social a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}

  /* reveal */
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
  .reveal.in{opacity:1;transform:none}

  a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
    outline:2px solid var(--cyan-ink);outline-offset:3px;border-radius:4px}

  /* skip link (a11y) */
  .skip-link{position:absolute;left:-999px;top:8px;z-index:100;background:var(--ink);color:#fff;
    padding:10px 16px;border-radius:8px;font-size:14px}
  .skip-link:focus{left:8px}

  /* form status message */
  .form-status{font-family:var(--mono);font-size:13px;margin-top:4px;min-height:1em}
  .form-status.ok{color:var(--ok)}
  .form-status.err{color:var(--bad)}
  .field input:invalid:not(:placeholder-shown),
  .field textarea:invalid:not(:placeholder-shown){border-color:var(--bad)}
  .honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

  @media(max-width:880px){
    .nav-links{display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;
      align-items:stretch;gap:0;background:rgba(245,247,249,.98);backdrop-filter:blur(12px);
      border-bottom:1px solid var(--line);padding:8px 28px 18px;
      box-shadow:0 24px 40px -24px rgba(10,37,64,.25)}
    header.open .nav-links{display:flex}
    .nav-links a{font-size:16px;padding:15px 0;border-top:1px solid var(--line)}
    .nav-links a:first-child{border-top:none}
    .nav-links a.btn{margin-top:12px;justify-content:center;font-size:15px}
    .menu-toggle{display:block}
    .hero-grid,.about-grid,.product,.contact-grid{grid-template-columns:1fr;gap:44px}
    .hero .mark-wm{display:none}
    .spec{grid-template-columns:1fr}
    .prod-grid{grid-template-columns:1fr}
    .spec .col{padding:28px 0;border-left:none;border-top:1px solid var(--line)}
    .spec .col:first-child{padding-top:0;border-top:none}
    .foot-top{grid-template-columns:1fr 1fr;gap:32px}
    .foot-brand{grid-column:1/-1}
  }
  @media(max-width:520px){
    .contact-grid .form > div[style]{grid-template-columns:1fr!important}
  }
  @media(prefers-reduced-motion:reduce){
    *{animation:none!important;scroll-behavior:auto}
    .reveal{opacity:1;transform:none;transition:none}
  }