:root{
    color-scheme: dark;
    --bg:#05070a; --bg-1:#0a0d12; --bg-2:#0f1319;
    --fg:#eef1f4; --fg-dim:#949ba3; --fg-mute:#5b626b;
    --rule:rgba(255,255,255,0.07); --rule-2:rgba(255,255,255,0.13);
    --surface:rgba(255,255,255,0.024); --surface-2:rgba(255,255,255,0.05);
    --scrim:5,7,10;
    --signal: oklch(0.86 0.08 210); --signal-glow: oklch(0.86 0.08 210 / 0.18); --warn: oklch(0.72 0.17 28);
    --r-pill:999px; --r-card:24px;
    --pad: clamp(22px,5vw,64px); --shell:1180px;
  }
  :root[data-theme="light"]{
    color-scheme: light;
    --bg:#f7f6f3; --bg-1:#ffffff; --bg-2:#efeee9;
    --fg:#0b0d10; --fg-dim:#565b63; --fg-mute:#8b9099;
    --rule:rgba(11,13,16,0.10); --rule-2:rgba(11,13,16,0.16);
    --surface:rgba(11,13,16,0.026); --surface-2:rgba(11,13,16,0.05);
    --scrim:247,246,243;
    --signal: oklch(0.56 0.13 233); --signal-glow: oklch(0.56 0.13 233 / 0.14); --warn: oklch(0.55 0.2 28);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{background:var(--bg);color:var(--fg);font-family:'Space Grotesk',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;letter-spacing:-0.012em;overflow-x:hidden;line-height:1.5}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
  svg{display:block}
  ::selection{background:var(--signal-glow);color:var(--fg)}
  .shell{max-width:var(--shell);margin:0 auto;padding:0 var(--pad);width:100%}
  .eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.24em;text-transform:uppercase;color:var(--fg-mute)}
  .eyebrow em{font-style:normal;color:var(--signal)}
  h1{font-size:clamp(34px,7vw,86px);font-weight:400;letter-spacing:-0.043em;line-height:0.99}
  h2{font-size:clamp(28px,4.6vw,56px);font-weight:400;letter-spacing:-0.038em;line-height:1.04}
  h3{font-size:clamp(21px,2.4vw,30px);font-weight:400;letter-spacing:-0.026em;line-height:1.12}
  .dim{color:var(--fg-dim)}
  .btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;background:var(--fg);color:var(--bg);font-size:14.5px;font-weight:500;border:1px solid var(--fg);border-radius:var(--r-pill);transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s,background .25s,color .25s,border-color .25s;letter-spacing:-0.01em}
  .btn:hover{transform:translateY(-2px);box-shadow:0 14px 40px -12px var(--signal-glow)}
  .btn .a{transition:transform .25s}.btn:hover .a{transform:translateX(4px)}
  .btn.ghost{background:transparent;color:var(--fg);border-color:var(--rule-2)}
  .btn.ghost:hover{border-color:var(--fg-dim);box-shadow:none}
  html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
  html.js .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){ html.js .reveal{opacity:1;transform:none;transition:none} }

  /* nav */
  .nav{position:sticky;top:0;z-index:62;background:rgba(var(--scrim),0.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--rule)}
  .nav-inner{max-width:var(--shell);margin:0 auto;padding:14px var(--pad);display:flex;align-items:center;gap:20px}
  .logo svg{height:19px;width:auto;color:var(--fg)}
  .nav-links{display:flex;gap:22px;margin-left:14px}
  .nav-links a{font-size:13.5px;color:var(--fg-dim);display:inline-flex;align-items:center;gap:7px;transition:color .2s}
  .nav-links a:hover,.nav-links a.on{color:var(--fg)}
  .nav-mk{height:15px;width:15px;color:var(--signal)}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}
  .lang{display:inline-flex;gap:5px;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.12em}
  .lang button{color:var(--fg-mute);transition:color .2s;padding:2px}.lang button.active{color:var(--fg)}.lang .sep{color:var(--rule-2)}
  .tgl{width:34px;height:34px;border-radius:50%;border:1px solid var(--rule-2);display:grid;place-items:center;color:var(--fg-dim)}
  .tgl svg{width:16px;height:16px}.tgl .moon{display:none}
  :root[data-theme="light"] .tgl .sun{display:none}:root[data-theme="light"] .tgl .moon{display:block}
  .nav-cta{padding:9px 18px;font-size:13px;font-weight:500;background:var(--fg);color:var(--bg);border-radius:var(--r-pill)}
  /* ── Mobile: collapse the nav into a hamburger drawer (built by product.js) ── */
  @media(max-width:820px){
    .nav-links{display:none}
    .nav-right{display:none}
    .nav-tog{display:flex}
    .nav-inner{padding-left:16px;padding-right:16px}
    .logo svg{height:17px}
  }
  .nav-tog{display:none;flex-direction:column;gap:4px;width:36px;height:36px;align-items:center;justify-content:center;margin-left:auto;border-radius:9px}
  .nav-tog span{width:19px;height:1.7px;background:var(--fg);border-radius:2px;transition:transform .26s,opacity .2s}
  .nav-tog.open span:nth-child(1){transform:translateY(5.7px) rotate(45deg)}
  .nav-tog.open span:nth-child(2){opacity:0}
  .nav-tog.open span:nth-child(3){transform:translateY(-5.7px) rotate(-45deg)}
  .nav-scrim{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .26s}
  .nav-scrim.open{opacity:1;pointer-events:auto}
  .nav-drawer{position:fixed;top:0;right:0;bottom:0;width:min(85vw,330px);z-index:61;background:var(--bg-1);border-left:1px solid var(--rule-2);transform:translateX(101%);transition:transform .3s cubic-bezier(.16,1,.3,1);display:flex;flex-direction:column;padding:78px 22px 26px;overflow-y:auto}
  .nav-drawer.open{transform:none}
  .nav-drawer a{font-size:16px;color:var(--fg-dim);padding:13px 0;border-bottom:1px solid var(--rule);display:flex;align-items:center;gap:10px;transition:color .18s}
  .nav-drawer a:hover,.nav-drawer a.on{color:var(--fg)}
  .nav-drawer .nav-mk{width:17px;height:17px;color:var(--signal)}
  .nav-drawer-foot{margin-top:20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
  .nav-drawer-foot .lang{font-size:12px}
  .nav-drawer-foot .nav-cta{margin-left:auto;padding:9px 16px;font-size:13px}

  section{padding:clamp(72px,10vw,140px) 0;border-top:1px solid var(--rule)}
  .lede{font-size:clamp(16px,1.6vw,19px);line-height:1.62;color:var(--fg-dim);font-weight:300;max-width:56ch}

  /* hero */
  .hero{border-top:0;padding-top:clamp(56px,8vw,110px);position:relative;overflow:hidden}
  .hero-glow{position:absolute;top:-30%;left:50%;transform:translateX(-50%);width:900px;height:900px;max-width:120vw;border-radius:50%;background:radial-gradient(circle,var(--signal-glow),transparent 62%);filter:blur(30px);opacity:.7;pointer-events:none}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,66px);align-items:center;position:relative}
  .hero .badge{display:inline-flex;align-items:center;gap:9px;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--signal);border:1px solid color-mix(in oklab,var(--signal) 40%,transparent);border-radius:999px;padding:6px 13px;margin-bottom:26px}
  .hero .badge svg{width:15px;height:15px}
  .hero h1{margin-bottom:22px}
  .hero .lede{margin-bottom:30px}
  .hero-cta{display:flex;gap:13px;flex-wrap:wrap}
  @media(max-width:860px){ .hero-grid{grid-template-columns:minmax(0,1fr)} .hero-grid>*{min-width:0} }

  /* generic artifact "window" card */
  .art{background:var(--bg-1);border:1px solid var(--rule-2);border-radius:18px;overflow:hidden;box-shadow:0 30px 80px -40px rgba(0,0,0,.6)}
  .art-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;border-bottom:1px solid var(--rule)}
  .art-bar .dot{width:9px;height:9px;border-radius:50%;background:var(--rule-2)}
  .art-bar .u{margin-left:8px;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--fg-mute)}
  .art-body{padding:18px 18px 20px}
  /* interactive hero input (product-first, like the landing) */
  .pinput{width:min(520px,100%);display:flex;align-items:center;gap:8px;background:var(--bg-1);border:1px solid var(--rule-2);border-radius:999px;padding:7px 7px 7px 20px;box-shadow:0 20px 50px -26px rgba(0,0,0,.6);transition:border-color .25s}
  .pinput:focus-within{border-color:var(--signal)}
  .pinput input{flex:1;background:none;border:none;outline:none;color:var(--fg);font-family:inherit;font-size:15.5px;letter-spacing:-0.01em;min-width:0;padding:11px 0}
  .pinput input::placeholder{color:var(--fg-mute)}
  .pinput button{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;background:var(--fg);color:var(--bg);border-radius:999px;padding:11px 18px;font-size:14px;font-weight:500;cursor:pointer;transition:.25s}
  .pinput button:hover{background:var(--signal)}
  .hero-link{display:inline-block;margin-top:14px;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.05em;color:var(--fg-dim);transition:color .2s}
  .hero-link:hover{color:var(--fg)}
  /* phones: collapse the input button to just the arrow so the field has room */
  @media(max-width:520px){ .pinput button [data-i18n]{display:none} .pinput button{padding:12px 16px} }
  .q{background:var(--surface-2);border:1px solid var(--rule);border-radius:14px;padding:11px 14px;font-size:14px;width:fit-content;max-width:90%;margin-left:auto}
  .who{font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-mute);margin:16px 0 7px}
  .ans{font-size:14.5px;line-height:1.6;color:var(--fg)}.ans b{font-weight:600}
  .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
  .chip{font-size:11px;color:var(--fg-dim);border:1px solid var(--rule);border-radius:999px;padding:4px 10px;display:inline-flex;gap:6px;align-items:center}
  .chip .fav{width:11px;height:11px;border-radius:3px;background:var(--signal);opacity:.8}
  .thumbs{display:flex;gap:7px;margin-top:12px}
  .thumbs i{flex:1;height:58px;border-radius:9px;border:1px solid var(--rule);background:linear-gradient(135deg,color-mix(in oklab,var(--signal) 22%,var(--bg-2)),var(--bg-2))}

  /* section layout: text + artifact, alternating */
  .cap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
  .cap.flip .cap-txt{order:2}
  .cap-txt h2{margin:16px 0 18px}
  .cap-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
  .cap-list .li{display:flex;gap:11px;font-size:14.5px;color:var(--fg-dim);line-height:1.5}
  .cap-list .li b{color:var(--fg);font-weight:500}
  .cap-list .li .mk{flex:0 0 auto;width:17px;height:17px;color:var(--signal);margin-top:2px}
  @media(max-width:860px){ .cap{grid-template-columns:1fr} .cap.flip .cap-txt{order:0} }

  /* decision brief mock */
  .brief .row{display:flex;justify-content:space-between;font-size:13px;margin:14px 0 5px}.brief .row .p{color:var(--fg-dim);font-variant-numeric:tabular-nums}
  .brief .bar{height:5px;border-radius:99px;background:var(--surface-2);overflow:hidden}
  .brief .bar i{display:block;height:100%;width:var(--w);background:var(--signal);border-radius:99px}
  .brief .conf{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:12px;color:var(--fg-mute)}
  .brief .conf .m{flex:1;height:4px;border-radius:99px;background:var(--surface-2);overflow:hidden}.brief .conf .m i{display:block;height:100%;width:72%;background:color-mix(in oklab,var(--signal) 70%,var(--fg))}
  .brief .against{margin-top:16px;padding:12px 14px;border-left:2px solid var(--warn);background:color-mix(in oklab,var(--warn) 8%,transparent);border-radius:0 10px 10px 0;font-size:12.5px;color:var(--fg-dim)}
  .brief .against b{color:var(--fg);display:block;margin-bottom:3px;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase}

  /* visuals: bar chart + weather + diagram */
  .viz{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .vcard{background:var(--bg-2);border:1px solid var(--rule);border-radius:14px;padding:14px}
  .vcard .k{font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-mute);margin-bottom:10px}
  .bars{display:flex;align-items:flex-end;gap:6px;height:78px}
  .bars i{flex:1;background:var(--signal);border-radius:4px 4px 0 0;opacity:.85}
  .wx{display:flex;align-items:center;gap:12px}
  .wx .t{font-size:30px;font-weight:300;letter-spacing:-.03em}
  .wx .o{width:34px;height:34px;border-radius:50%;background:radial-gradient(circle at 35% 35%,color-mix(in oklab,var(--signal) 60%,#fff),var(--signal))}
  .wx .days{display:flex;gap:9px;margin-left:auto;font-size:11px;color:var(--fg-mute);text-align:center}
  .flow{display:flex;align-items:center;gap:8px;grid-column:1 / -1;flex-wrap:wrap}
  .node{font-size:11.5px;border:1px solid var(--rule-2);border-radius:9px;padding:7px 11px;background:var(--bg-1)}
  .flow .arw{color:var(--fg-mute)}

  /* integrations */
  .ints{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
  .int{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--rule-2);border-radius:12px;padding:11px 15px;font-size:13.5px;color:var(--fg);background:var(--surface)}
  .int .g{width:8px;height:8px;border-radius:50%;background:var(--signal);box-shadow:0 0 8px var(--signal)}

  /* devices */
  .dev{display:flex;gap:16px;flex-wrap:wrap;margin-top:26px}
  .devcard{flex:1;min-width:210px;border:1px solid var(--rule-2);border-radius:16px;padding:20px;background:var(--surface)}
  .devcard h3{font-size:18px;margin-bottom:8px}
  .devcard p{font-size:13.5px;color:var(--fg-dim);line-height:1.55}

  /* profile / memory chips */
  .mem{display:flex;flex-direction:column;gap:9px}
  .memrow{display:flex;gap:10px;align-items:center;background:var(--bg-2);border:1px solid var(--rule);border-radius:11px;padding:11px 13px}
  .memrow .kk{font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--signal);flex:0 0 auto}
  .memrow .vv{font-size:13px;color:var(--fg-dim)}

  .center{text-align:center;max-width:720px;margin:0 auto}
  .center h2{margin:20px 0 22px}
  .cta-row{display:flex;gap:13px;justify-content:center;flex-wrap:wrap;margin-top:8px}
  .foot{border-top:1px solid var(--rule);padding:40px 0;color:var(--fg-mute);font-size:12.5px}
  .foot .fin{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
  .foot a{color:var(--fg-mute)}.foot a:hover{color:var(--fg)}