:root{
    color-scheme: dark;
    --ground:#0A0E17;
    --ground-2:#0D1320;
    --surface:#121A2B;
    --surface-2:#182236;
    --line:#22304A;
    --line-soft:#182238;
    --text:#E7EDF7;
    --text-2:#A9B4C7;
    --muted:#6F7D96;
    --blue:#4F8DFF;
    --blue-deep:#2F6BE0;
    --cyan:#2BD9EC;
    --amber:#F3B64B;
    --amber-soft:rgba(243,182,75,.14);
    --blue-soft:rgba(79,141,255,.14);
    --display:"Bricolage Grotesque","Instrument Sans",system-ui,sans-serif;
    --body:"Instrument Sans","Segoe UI",system-ui,sans-serif;
    --mono:"JetBrains Mono","Cascadia Mono",Consolas,monospace;
    --w:1180px;
    --grid:rgba(255,255,255,.028);
    --nav-bg:rgba(10,14,23,.78);
    --node-hover:#1B2A47;
    --on-blue:#06101F;
  }
  :root[data-theme="light"]{
    color-scheme: light;
    --ground:#F4F6FA;
    --ground-2:#EDF1F7;
    --surface:#FFFFFF;
    --surface-2:#F5F7FB;
    --line:#D5DDEA;
    --line-soft:#E3E9F2;
    --text:#0E1424;
    --text-2:#3F4A60;
    --muted:#6B7690;
    --blue:#2F6BE0;
    --blue-deep:#2358C4;
    --cyan:#0E8FA8;
    --amber:#C9861A;
    --amber-soft:rgba(201,134,26,.14);
    --blue-soft:rgba(47,107,224,.14);
    --grid:rgba(14,20,36,.055);
    --nav-bg:rgba(244,246,250,.82);
    --node-hover:#E6EEFB;
    --on-blue:#FFFFFF;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;background:var(--ground);color:var(--text);
    font-family:var(--body);font-size:16px;line-height:1.55;
    -webkit-font-smoothing:antialiased;
    background-image:
      linear-gradient(to right, var(--grid) 1px, transparent 1px),
      linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
    background-size:48px 48px;
    background-position:center top;
  }
  a{color:inherit;text-decoration:none}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
  .wrap{max-width:var(--w);margin:0 auto;padding:0 32px}
  .mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
  .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:12px}
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--blue)}
  h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance;letter-spacing:-.01em}
  h2{font-size:clamp(30px,3.6vw,44px);font-weight:600;line-height:1.08;font-variation-settings:"opsz" 96}
  h3{font-size:20px;font-weight:600;line-height:1.25}
  p{margin:0}
  .lede{color:var(--text-2);font-size:18px;line-height:1.6;max-width:60ch}

  /* ---------- nav ---------- */
  .nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(10px);background:var(--nav-bg);border-bottom:1px solid var(--line-soft)}
  .nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
  .brand{display:flex;align-items:center;gap:12px}
  .brand svg{width:30px;height:30px;flex:none}
  .lg-g{stroke:var(--blue)}.lg-c{fill:var(--cyan)}.lg-a{fill:var(--amber)}
  .wordmark{font-family:var(--display);font-size:21px;letter-spacing:-.015em;line-height:1;white-space:nowrap}
  .wordmark b{font-weight:800}
  .wordmark span{font-weight:300;color:var(--text-2)}
  .links{display:flex;gap:28px;font-size:14px;font-weight:500;color:var(--text-2)}
  .links a:hover{color:var(--text)}
  .btn{display:inline-flex;align-items:center;gap:10px;padding:11px 18px;border-radius:6px;font-weight:600;font-size:14px;border:1px solid transparent;transition:transform .15s ease,background .15s ease,border-color .15s ease}
  .btn:hover{transform:translateY(-1px)}
  .btn-primary{background:var(--blue);color:var(--on-blue)}
  .btn-primary:hover{background:var(--blue-deep)}
  .btn-ghost{border-color:var(--line);color:var(--text)}
  .btn-ghost:hover{border-color:var(--blue)}
  .nav .btn{padding:9px 14px}
  .nav-right{display:flex;align-items:center;gap:10px}
  .theme{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 12px;border-radius:6px;border:1px solid var(--line);background:transparent;color:var(--text-2);font:500 12px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;cursor:pointer}
  .theme:hover{border-color:var(--blue);color:var(--text)}
  .theme i{width:10px;height:10px;border-radius:50%;background:var(--amber);box-shadow:inset -3px -2px 0 0 var(--ground)}
  :root[data-theme="light"] .theme i{box-shadow:none}
  @media (max-width:820px){.links{display:none}}

  /* ---------- hero ---------- */
  .hero{padding:84px 0 40px;position:relative}
  .hero .wrap{display:grid;gap:36px}
  .hero-top{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:end}
  h1{font-size:clamp(52px,7.6vw,104px);font-weight:700;line-height:.98;letter-spacing:-.035em;font-variation-settings:"opsz" 96;margin-top:22px}
  h1 .matter{color:var(--amber);position:relative;white-space:nowrap}
  h1 .matter::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.07em;background:var(--amber);opacity:.55;border-radius:2px}
  .hero-side{display:grid;gap:22px;padding-bottom:10px}
  .cta{display:flex;gap:12px;flex-wrap:wrap}
  .hero-note{font-family:var(--mono);font-size:12px;color:var(--muted);line-height:1.7}
  .hero-note b{color:var(--cyan);font-weight:500}
  @media (max-width:900px){.hero-top{grid-template-columns:1fr}.hero{padding-top:56px}}

  /* ---------- systems map ---------- */
  .map{border:1px solid var(--line);background:linear-gradient(180deg,var(--ground-2),var(--surface));border-radius:10px;overflow:hidden}
  .map-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line-soft)}
  .map-head .mono{color:var(--muted)}
  .legend{display:flex;gap:18px;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.04em}
  .legend i{display:inline-block;width:22px;height:0;border-top:2px solid var(--blue);vertical-align:middle;margin-right:7px}
  .legend i.dash{border-top-style:dashed;border-color:var(--muted)}
  .legend i.dot{width:8px;height:8px;border:0;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
  .map-scroll{overflow-x:auto}
  .map svg{display:block;width:100%;min-width:760px;height:auto}
  .node rect{fill:var(--surface-2);stroke:var(--line);stroke-width:1;rx:6;transition:stroke .15s ease,fill .15s ease}
  .node text{font-family:var(--mono);font-size:12.5px;fill:var(--text);letter-spacing:.02em}
  .node .st{fill:var(--cyan)}
  .node.built .st{fill:var(--amber)}
  .node{cursor:default}
  .node:hover rect,.node.on rect{stroke:var(--blue);fill:var(--node-hover)}
  .edge{stroke:var(--blue);stroke-width:1.6;fill:none;opacity:.85}
  .edge.dash{stroke:var(--muted);stroke-dasharray:4 5;opacity:.7}
  .lane{font-family:var(--mono);font-size:10.5px;fill:var(--muted);letter-spacing:.14em}
  .box{fill:none;stroke:var(--line);stroke-dasharray:6 6;rx:10}
  .mk-b{fill:var(--blue)}.mk-m{fill:var(--muted)}
  .pulse{fill:var(--cyan);filter:drop-shadow(0 0 4px var(--cyan))}
  .map-caption{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:baseline;padding:14px 18px;border-top:1px solid var(--line-soft);min-height:52px;font-size:14px;color:var(--text-2)}
  .map-caption .k{font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:.06em;white-space:nowrap}
  @media (prefers-reduced-motion:reduce){.pulse{display:none}.btn:hover{transform:none}html{scroll-behavior:auto}}

  /* ---------- sections ---------- */
  section{padding:96px 0}
  .sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:end;margin-bottom:48px}
  .sec-head .lede{font-size:17px}
  @media (max-width:900px){.sec-head{grid-template-columns:1fr;gap:18px}}

  /* practices */
  .practices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface)}
  .practice{padding:30px 28px 28px;display:grid;gap:16px;align-content:start;border-right:1px solid var(--line)}
  .practice:last-child{border-right:0}
  .practice .mono{color:var(--blue)}
  .practice p{color:var(--text-2);font-size:15px;line-height:1.6}
  .practice ul{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
  .practice li{font-family:var(--mono);font-size:11.5px;padding:5px 9px;border:1px solid var(--line);border-radius:4px;color:var(--text-2);background:var(--ground-2)}
  @media (max-width:900px){.practices{grid-template-columns:1fr}.practice{border-right:0;border-bottom:1px solid var(--line)}.practice:last-child{border-bottom:0}}

  /* systems grid */
  .grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}
  .sys{background:var(--surface);padding:22px 22px 20px;display:grid;gap:10px;align-content:start;min-height:150px;transition:background .15s ease}
  .sys:hover{background:var(--surface-2)}
  .sys.flag{grid-column:1/-1;grid-template-columns:auto 1fr;grid-template-areas:"top p" "top tag";column-gap:32px;align-items:center;min-height:0;border-left:3px solid var(--amber)}
  .sys.flag .sys-top{grid-area:top}.sys.flag p{grid-area:p;max-width:70ch}.sys.flag .tag{grid-area:tag}
  .sys.flag .name{font-family:var(--display);font-size:22px;font-weight:600}
  .sys.flag.alt{border-left-color:var(--blue)}
  @media (max-width:700px){.sys.flag{grid-template-columns:1fr;grid-template-areas:"top" "p" "tag"}}
  .sys-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
  .sys .name{font-family:var(--mono);font-size:13.5px;font-weight:500;color:var(--text);letter-spacing:.01em}
  .pill{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border-radius:99px;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line)}
  .pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 6px var(--cyan)}
  .pill.built{color:var(--amber)}
  .pill.built::before{background:var(--amber);box-shadow:none}
  .pill.live{color:var(--cyan)}
  .sys p{color:var(--text-2);font-size:14px;line-height:1.55}
  .sys .tag{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.06em}
  @media (max-width:1000px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:560px){.grid{grid-template-columns:1fr}}

  /* method */
  .method{background:var(--ground-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
  .method-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:56px}
  .method h2 .q{color:var(--blue)}
  .principles{display:grid;gap:0;border-top:1px solid var(--line)}
  .principle{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}
  .principle .k{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);padding-top:4px}
  .principle h3{margin-bottom:6px}
  .principle p{color:var(--text-2);font-size:15px;line-height:1.6}
  .principle code{font-family:var(--mono);font-size:13px;color:var(--cyan)}
  @media (max-width:900px){.method-grid{grid-template-columns:1fr;gap:32px}.principle{grid-template-columns:1fr;gap:6px}}

  /* numbers */
  .numbers{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
  .num b{display:block;font-family:var(--display);font-size:46px;font-weight:600;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;color:var(--text)}
  .num b em{font-style:normal;color:var(--amber)}
  .num span{display:block;margin-top:8px;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);line-height:1.5}
  @media (max-width:900px){.numbers{grid-template-columns:repeat(2,minmax(0,1fr))}}

  /* work with us */
  .modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .mode{border:1px solid var(--line);border-radius:10px;padding:28px;display:grid;gap:12px;align-content:start;background:var(--surface);position:relative}
  .mode .mono{color:var(--muted)}
  .mode p{color:var(--text-2);font-size:15px;line-height:1.6}
  .mode .go{margin-top:8px;font-weight:600;font-size:14px;color:var(--blue);display:inline-flex;gap:8px;align-items:center}
  .mode.lift{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue-soft),0 24px 60px -30px rgba(79,141,255,.45)}
  @media (max-width:900px){.modes{grid-template-columns:1fr}}

  /* closing */
  .closing{padding:110px 0 100px;text-align:left;border-top:1px solid var(--line-soft)}
  .closing h2{font-size:clamp(36px,5vw,64px);font-weight:700;letter-spacing:-.03em}
  .closing h2 .matter{color:var(--amber)}
  .closing .row{display:flex;justify-content:space-between;align-items:end;gap:32px;flex-wrap:wrap}
  .closing .addr{font-family:var(--mono);font-size:13px;color:var(--text-2);line-height:1.9}
  .closing .addr b{color:var(--text);font-weight:500}

  /* footer */
  footer{border-top:1px solid var(--line);padding:36px 0 44px;color:var(--muted);font-size:13px}
  footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
  footer .brand .wordmark{font-size:17px}
  footer .fl{display:flex;gap:22px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase}
  footer .fl a:hover{color:var(--text)}

/* ---------- inner pages ---------- */
.links a.on{color:var(--text);position:relative}
.links a.on::after{content:"";position:absolute;left:0;right:0;bottom:-24px;height:2px;background:var(--blue)}
.page-hero{padding:84px 0 24px}
.page-hero .wrap{display:grid;gap:18px}
.page-title{font-family:var(--display);font-size:clamp(38px,5.4vw,72px);font-weight:700;line-height:1.02;letter-spacing:-.03em;font-variation-settings:"opsz" 96;max-width:18ch}
.page-title .matter{color:var(--amber)}
section.tight{padding:48px 0}
.grid a.sys{color:inherit}
.details{display:grid;gap:16px}
.detail{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:28px 28px 26px;scroll-margin-top:90px}
.detail-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.detail-head .mono{display:block;margin-bottom:8px}
.detail h3{font-size:26px;font-weight:600;letter-spacing:-.02em}
.detail-line{margin-top:10px;color:var(--text-2);font-size:16px;max-width:70ch}
.detail-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px;margin-top:22px;padding-top:22px;border-top:1px solid var(--line-soft)}
.k{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);margin-bottom:10px}
.detail-grid ul{margin:0;padding-left:18px;color:var(--text-2);font-size:15px;line-height:1.6;display:grid;gap:8px}
.detail-grid p{color:var(--text-2);font-size:15px;line-height:1.6}
@media (max-width:800px){.detail-grid{grid-template-columns:1fr;gap:22px}}
.cta-band{padding:72px 0;border-top:1px solid var(--line-soft)}
.cta-band .row{display:flex;justify-content:space-between;align-items:end;gap:32px;flex-wrap:wrap}
.sol{display:grid;gap:28px;padding:36px 0;border-top:1px solid var(--line)}
.sol-head{display:grid;gap:14px}
.sol-head h2{max-width:24ch}
.sol-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:20px}
.sol-card{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:26px;display:grid;gap:12px;align-content:start}
.sol-card ul{margin:0;padding-left:18px;color:var(--text-2);font-size:15px;line-height:1.6;display:grid;gap:8px}
.sol-card ul.chips{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.sol-card ul.chips li{font-family:var(--mono);font-size:11.5px;padding:5px 9px;border:1px solid var(--line);border-radius:4px;color:var(--text-2);background:var(--ground-2)}
.sol-card p{color:var(--text-2);font-size:15px;line-height:1.6}
.sol-card .go{font-weight:600;font-size:14px;color:var(--blue);margin-top:6px}
@media (max-width:900px){.sol-grid{grid-template-columns:1fr}}
.prose{max-width:68ch;display:grid;gap:16px}
.prose h2{font-size:clamp(26px,3vw,36px);margin-top:12px}
.prose p{color:var(--text-2);font-size:17px;line-height:1.65}
.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.contact-card{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:28px;display:grid;gap:10px;align-content:start}
.contact-card .big{font-family:var(--display);font-size:24px;font-weight:600;letter-spacing:-.02em;color:var(--text);word-break:break-word}
.contact-card a.big:hover{color:var(--blue)}
.contact-card p{color:var(--text-2);font-size:15px;line-height:1.6}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}}
.prep{border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:10px;background:var(--surface);padding:26px 28px;max-width:76ch}
.prep ul{margin:0;padding-left:18px;color:var(--text-2);font-size:15px;line-height:1.65;display:grid;gap:10px}
.prep b{color:var(--text);font-weight:600}

/* ---------- product cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card{display:grid;gap:12px;align-content:start;padding:26px 26px 24px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:inherit;position:relative;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:0 24px 50px -30px rgba(79,141,255,.5)}
.card-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.card .tag{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.06em}
.card h3{font-size:24px;font-weight:600;letter-spacing:-.02em}
.card p{color:var(--text-2);font-size:15px;line-height:1.55}
.card ul{margin:4px 0 0;padding:0 0 0 16px;color:var(--text-2);font-size:14px;line-height:1.55;display:grid;gap:6px}
.card .go{margin-top:6px;font-weight:600;font-size:14px;color:var(--blue)}
.card-flag{grid-column:1/-1;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);column-gap:40px;border-left:3px solid var(--amber);padding:32px 32px 30px}
.card-flag.alt{border-left-color:var(--blue)}
.card-flag .card-top{grid-column:1/-1}
.card-flag h3{font-size:34px;grid-column:1}
.card-flag p{grid-column:1;font-size:17px}
.card-flag ul{grid-column:2;grid-row:2/span 2;align-self:center;font-size:15px}
.card-flag .go{grid-column:1}
@media (max-width:1000px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.cards{grid-template-columns:1fr}.card-flag{grid-template-columns:1fr}.card-flag ul{grid-column:1;grid-row:auto}}
.grid a.sys{color:inherit}

/* ---------- product page ---------- */
.crumb{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.crumb:hover{color:var(--text)}
.product-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap}
.product-head .pill{margin-top:14px}
.product-hero .lede{max-width:70ch;font-size:19px}
.values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.value{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:26px;display:grid;gap:10px;align-content:start}
.value h3{font-size:21px;letter-spacing:-.015em}
.value p{color:var(--text-2);font-size:15px;line-height:1.6}
@media (max-width:900px){.values{grid-template-columns:1fr}}
.product-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:18px}
.panel{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:28px;display:grid;gap:10px;align-content:start}
.panel ul{margin:0;padding-left:18px;color:var(--text-2);font-size:15.5px;line-height:1.6;display:grid;gap:10px}
.panel p{color:var(--text-2);font-size:15.5px;line-height:1.6}
@media (max-width:900px){.product-grid{grid-template-columns:1fr}}
.rels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.rel{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:18px 20px;display:grid;gap:6px;color:inherit;transition:border-color .15s ease}
.rel:hover{border-color:var(--blue)}
.rel .name{font-family:var(--mono);font-size:13px;font-weight:500}
.rel span:last-child{color:var(--text-2);font-size:13.5px;line-height:1.5}
@media (max-width:900px){.rels{grid-template-columns:1fr}}