/* Public pages: the front door (3D forest) and /about. Kept from the original design. */
.lp,.fh{--dark:#0A0C10;--dark2:#14171C;--ink:#0F1419;--mut:#475467;--mut2:#667085;--line:#E1E4E9;--card:#FFFFFF;--acc:#2F5FE0;--accbg:#EEF3FE;--accln:#C7D7FB;--bg:#F4F5F7;--line2:#EDEFF2}
/* ---------------------------------------------------------------- landing */
.lp{background:var(--dark);color:#fff}
.lp .lnav{position:sticky;top:0;z-index:50;height:64px;padding:0 30px;display:flex;align-items:center;gap:26px;background:rgba(10,12,16,.82);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(255,255,255,.07)}
.lp .lnav a{font-size:13.5px;color:#98A2B3}
.lp .lnav a:hover{color:#fff}
.lp .lnav .cta{height:34px;padding:0 16px;background:#fff;color:var(--dark);border-radius:6px;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center}
.lp .lnav .cta:hover{background:#E4E7EC;color:var(--dark)}
.lp .sec{padding:96px 30px;max-width:1180px;margin:0 auto}
.lp .sec.tight{padding:64px 30px}
.lp .hero{text-align:center;padding:74px 30px 0;background:radial-gradient(1100px 470px at 50% 66%,rgba(47,95,224,.22),rgba(10,12,16,0) 70%)}
.lp .pill{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;background:rgba(47,95,224,.14);border:1px solid rgba(125,162,255,.28);font-size:12.5px;color:#9FB6E8}
.lp .hero h1{margin:20px 0 0;font-size:clamp(30px,5.2vw,52px);font-weight:700;line-height:1.28;letter-spacing:-.9px}
.lp .hero h1 em{font-style:normal;color:#7DA2FF}
.lp .hero p{margin:18px auto 0;max-width:760px;font-size:16px;line-height:1.8;color:#8B94A6}
.lp .hbtns{margin-top:28px;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.lp .hbtn{height:46px;padding:0 26px;background:#fff;color:var(--dark);border-radius:8px;font-size:15px;font-weight:600;display:inline-flex;align-items:center;border:1px solid #fff}
.lp .hbtn:hover{background:#E4E7EC;color:var(--dark)}
.lp .hbtn.ghost{background:transparent;color:#E4E7EC;border-color:rgba(255,255,255,.2)}
.lp .hbtn.ghost:hover{background:rgba(255,255,255,.07);color:#fff}
.lp .hstats{margin-top:30px;display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap}
.lp .hstats .s{text-align:center;padding:0 26px}
.lp .hstats .v{font-family:var(--mono);font-size:17px;color:#fff}
.lp .hstats .k{margin-top:3px;font-size:12px;color:#6B7482}
.lp .hstats .sep{width:1px;height:26px;background:rgba(255,255,255,.1)}
.lp .shot{margin:54px auto 0;max-width:1080px;padding:0 20px}
.lp .shotframe{background:var(--dark2);border:1px solid rgba(255,255,255,.1);border-bottom:none;border-radius:12px 12px 0 0;overflow:hidden;box-shadow:0 -2px 80px rgba(47,95,224,.15),0 24px 70px rgba(0,0,0,.55)}
.lp .shotbar{height:34px;padding:0 13px;border-bottom:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:7px}
.lp .shotbar i{width:9px;height:9px;border-radius:50%;background:#3A3F48}
.lp .shotbar .u{flex-grow:1;text-align:center;font-family:var(--mono);font-size:11.5px;color:#6B7482}
.lp .shotframe img{display:block;width:100%;height:auto}
.lp .band{background:#fff;color:var(--ink)}
.lp .band.alt{background:var(--bg)}
.lp .eyebrow{font-size:12px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--acc)}
.lp .band h2{margin:12px 0 0;font-size:clamp(24px,3.4vw,34px);line-height:1.34;letter-spacing:-.5px;font-weight:700}
.lp .band p.lead{margin:14px 0 0;font-size:15.5px;line-height:1.85;color:var(--mut);max-width:740px}
.lp .dark h2,.lp .dark p.lead{color:#fff}
.lp .dark p.lead{color:#8B94A6}
.lp .feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:16px;margin-top:38px}
.lp .feat .f{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px}
.lp .feat .f h3{margin:12px 0 0;font-size:15px}
.lp .feat .f p{margin:7px 0 0;font-size:13px;line-height:1.7;color:var(--mut2)}
.lp .dark .feat .f{background:rgba(255,255,255,.035);border-color:rgba(255,255,255,.1)}
.lp .dark .feat .f h3{color:#fff}
.lp .dark .feat .f p{color:#8B94A6}
.lp .steps{margin-top:40px;display:grid;gap:2px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.lp .step{padding:18px;background:var(--card);border:1px solid var(--line)}
.lp .step .i{font-family:var(--mono);font-size:11px;color:var(--acc)}
.lp .step h4{margin:9px 0 0;font-size:14px}
.lp .step p{margin:6px 0 0;font-size:12.5px;line-height:1.65;color:var(--mut2)}
.lp .foot{background:var(--dark);color:#6B7482;padding:52px 30px 40px;font-size:12.5px;line-height:1.9;border-top:1px solid rgba(255,255,255,.07)}
.lp .foot .in{max-width:1180px;margin:0 auto;display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between}
.lp .foot a{color:#98A2B3}
.lp .foot a:hover{color:#fff}
.lp .reveal{opacity:0;transform:translateY(14px)}
.lp .reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
@media (prefers-reduced-motion:reduce){.lp .reveal{opacity:1;transform:none}.lp *{animation-duration:.01ms!important;transition-duration:.01ms!important}}


@media (max-width:760px){
  .lp .sec{padding:60px 20px}
  .lp .hero{padding:48px 20px 0}
  .lp .foot .in{gap:24px}
.lp .shmap{position:relative;margin-top:12px}
.lp .shmap-grid{display:grid;grid-template-columns:repeat(var(--n,3),minmax(0,1fr));gap:clamp(14px,3.2vw,48px)}
.lp .shmap-card{display:block;color:inherit}
.lp .shmap-card:hover{color:inherit}
.lp .shmap-tree{display:block;width:100%;border-radius:8px;background:color-mix(in srgb,var(--c) 5%,#fff);border:1px solid color-mix(in srgb,var(--c) 18%,#fff);transition:border-color .2s,background .2s}
.lp .shmap-card:hover .shmap-tree{border-color:color-mix(in srgb,var(--c) 45%,#fff);background:color-mix(in srgb,var(--c) 8%,#fff)}
.lp .shmap-cap{padding:8px 2px 0}
.lp .shmap-link{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.lp .shmap-id{font:500 10.5px var(--mono);fill:var(--ink);paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round}
  .lp .shmap-grid{grid-template-columns:repeat(auto-fit,minmax(92px,1fr));gap:10px}
  .lp .shmap-cap .row{flex-wrap:wrap;row-gap:1px}
  .lp .lnav{height:auto;min-height:64px;padding:8px 16px;gap:10px;flex-wrap:wrap}
  .lp .lnav .brand{white-space:nowrap;flex-shrink:0}
  .lp .lnav .cta{min-height:44px;height:auto;padding:8px 12px;font-size:13px}
  .lp .hero{padding:36px 18px 0}
  .lp .hero h1{font-size:30px;line-height:1.45;letter-spacing:-.5px}
  .lp .hero p{font-size:14px;line-height:1.8}
  .lp .hbtns{display:grid;grid-template-columns:1fr;margin-top:24px}
  .lp .hbtn{justify-content:center;padding:12px 16px;height:auto;min-height:48px}
  .lp .hstats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 8px}
  .lp .hstats .s{padding:0 4px}
  .lp .hstats .sep{display:none}
  .lp .shot{padding:0;margin-top:32px}
  .lp .sec,.lp .sec.tight{padding:44px 18px}
  .lp .feat,.lp .steps{grid-template-columns:minmax(0,1fr);margin-top:24px;gap:12px}
  .lp .cols3{grid-template-columns:minmax(0,1fr)}
  .lp .foot{padding:36px 18px max(24px,env(safe-area-inset-bottom));overflow-wrap:anywhere}
  .lp .foot .in>div{max-width:100%}
  .lp .mono{overflow-wrap:anywhere}
  .lp .lnav{gap:8px;padding-inline:12px}
  .lp .lnav .brand span{font-size:13px!important}
  .lp .lnav .brand svg{display:none}
}
/* ---------------------------------------------------------------- front door: the 3D forest
   The forest is the headline; the type is set light and small, sits in the
   shadow at bottom-left, and steps back further while the visitor drags. */
.fh{position:fixed;inset:0;background:#02040A;color:#E7ECF5;overflow:hidden}
.fh-gl{position:absolute;inset:0;width:100%;height:100%;border:0;display:block;background:#02040A}
.fh-shade{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(90% 70% at 0% 100%,rgba(2,4,10,.78),rgba(2,4,10,.35) 45%,rgba(2,4,10,0) 70%),
             linear-gradient(180deg,rgba(2,4,10,.55),rgba(2,4,10,0) 90px)}
.fh-nav,.fh-copy,.fh-foot{position:absolute;z-index:2;pointer-events:none}
.fh-nav a,.fh-nav button,.fh-copy a{pointer-events:auto}
.fh-nav{top:0;left:0;right:0;height:60px;padding:0 32px;display:flex;align-items:center;gap:26px;font-size:12.5px}
.fh-nav>*{flex-shrink:0;white-space:nowrap}
.fh-nav>.grow{flex-shrink:1}
.fh-nav a{color:rgba(231,236,245,.5);transition:color .2s}
.fh-nav a:hover{color:#fff}
.fh-brand{display:flex;align-items:center;gap:8px;color:rgba(231,236,245,.78)!important;letter-spacing:.3px}
.fh-brand span{font-weight:500;font-size:13px}
.fh-lang{font:500 11px var(--mono);color:rgba(231,236,245,.55);background:transparent;border:1px solid rgba(255,255,255,.14);border-radius:4px;padding:3px 8px;cursor:pointer}
.fh-lang:hover{color:#fff;border-color:rgba(255,255,255,.35)}
.fh-copy{left:56px;bottom:84px;max-width:500px;transition:opacity .5s ease}
.fh-eye{font:400 10.5px var(--mono);letter-spacing:3.2px;text-transform:uppercase;color:rgba(125,162,255,.62)}
.fh h1{margin:18px 0 0;font-weight:300;line-height:1.25}
.fh-k{display:block;font-size:15px;letter-spacing:.42em;color:rgba(231,236,245,.62)}
.fh-m{display:block;margin-top:10px;font-size:clamp(26px,3.1vw,40px);letter-spacing:.1em;color:rgba(244,247,252,.94);
  text-shadow:0 0 28px rgba(125,162,255,.25)}
html[lang=en] .fh-m{font-size:clamp(22px,2.3vw,31px);letter-spacing:.02em}
html[lang=en] .fh-k{letter-spacing:.24em}
.fh-copy p{margin:18px 0 0;max-width:430px;text-wrap:pretty;font-size:13px;line-height:1.95;color:rgba(154,166,191,.78);letter-spacing:.02em}
.fh-cta{margin-top:28px;display:flex;align-items:center;gap:22px}
.fh-go{display:inline-flex;align-items:center;gap:12px;height:40px;padding:0 20px;border-radius:999px;font-size:13.5px;font-weight:500;letter-spacing:.06em;
  color:#fff;background:rgba(125,162,255,.12);border:1px solid rgba(160,186,255,.42);backdrop-filter:blur(8px);
  box-shadow:0 0 0 0 rgba(125,162,255,0);transition:background .25s,border-color .25s,box-shadow .25s}
.fh-go span{transition:transform .25s}
.fh-go:hover{color:#fff;background:rgba(125,162,255,.22);border-color:rgba(190,208,255,.8);box-shadow:0 0 32px rgba(125,162,255,.35)}
.fh-go:hover span{transform:translateX(3px)}
.fh-link{font-size:12.5px;color:rgba(231,236,245,.5);border-bottom:1px solid rgba(231,236,245,.18);padding-bottom:2px}
.fh-link:hover{color:#fff;border-color:rgba(255,255,255,.5)}
.fh-foot{right:32px;bottom:26px;text-align:right;font-size:11px;line-height:1.9;color:rgba(92,104,131,.9);transition:opacity .5s}
.fh-keys{font-family:var(--mono);font-size:10.5px;color:rgba(154,166,191,.55)}
.fh.busy .fh-copy{opacity:.28}
.fh.busy .fh-foot{opacity:.2}
/* The way in is on screen from the first moment; only the title takes its time.
   A first visit gets the full entrance after the camera swoop. A returning visitor
   gets the same choreography at about a third of the length (.fh.quick), and any
   key, click or scroll plays the rest out at speed (hero.js). */
@keyframes fhIn{from{opacity:0;transform:translateY(10px);filter:blur(4px)}to{opacity:1;transform:none;filter:none}}
@keyframes fhFade{from{opacity:0}to{opacity:1}}
.fh{--s:1}
.fh.quick{--s:.32}
.fh-nav{animation:fhFade .9s .15s both}
.fh-eye{animation:fhIn calc(1.4s*var(--s)) calc(1.3s*var(--s)) both}
.fh-k{animation:fhIn calc(1.4s*var(--s)) calc(1.5s*var(--s)) both}
.fh-m{animation:fhIn calc(1.6s*var(--s)) calc(1.7s*var(--s)) both}
.fh-copy p{animation:fhIn calc(1.4s*var(--s)) calc(2.1s*var(--s)) both}
.fh-idea,.fh-goal{animation:fhIn calc(1.4s*var(--s)) calc(2.5s*var(--s)) both}
.fh-goal{animation-delay:calc(2.75s*var(--s))}
.fh-cta{animation:fhIn calc(1.4s*var(--s)) calc(2.9s*var(--s)) both}
.fh-foot{animation:fhIn calc(1.4s*var(--s)) calc(3.3s*var(--s)) both}
/* The two forces on the forest, side by side: what grows it and what keeps it small. */
.fh-idea{margin-top:26px;max-width:520px;display:grid;grid-template-columns:1fr 1fr}
.fh-f{padding:2px 22px 2px 0}
.fh-f+.fh-f{padding:2px 0 2px 22px;border-left:1px solid rgba(125,162,255,.2)}
.fh-fk{display:flex;align-items:center;gap:7px;font:400 10.5px var(--mono);letter-spacing:.2em;color:rgba(125,162,255,.72)}
html[lang=en] .fh-fk{letter-spacing:.12em;text-transform:uppercase;font-size:10px}
.fh-f b{display:block;margin-top:10px;font-size:15px;font-weight:400;letter-spacing:.08em;color:rgba(244,247,252,.92);text-shadow:0 0 20px rgba(125,162,255,.22)}
html[lang=en] .fh-f b{letter-spacing:.01em}
.fh-f span{display:block;margin-top:6px;text-wrap:balance;font-size:12px;line-height:1.7;color:rgba(154,166,191,.72)}
.fh-goal{margin-top:20px;max-width:520px;padding-top:16px;border-top:1px solid rgba(125,162,255,.2);display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;row-gap:8px}
.fh-goal b{font-size:15px;font-weight:400;letter-spacing:.08em;color:rgba(244,247,252,.94);text-shadow:0 0 22px rgba(125,162,255,.3)}
html[lang=en] .fh-goal b{letter-spacing:.01em}
.fh-nav .fh-enter{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 13px 0 15px;border-radius:999px;font-size:12px;letter-spacing:.04em;
  color:rgba(244,247,252,.9);background:rgba(125,162,255,.08);border:1px solid rgba(160,186,255,.3);backdrop-filter:blur(8px);
  transition:color .25s,background .25s,border-color .25s,box-shadow .25s}
.fh-enter span{transition:transform .25s}
.fh-nav .fh-enter:hover{color:#fff;background:rgba(125,162,255,.2);border-color:rgba(190,208,255,.75);box-shadow:0 0 24px rgba(125,162,255,.3)}
.fh-enter:hover span{transform:translateX(2px)}
.fh-keys kbd{font:inherit;padding:0 5px;margin-right:4px;border:1px solid rgba(154,166,191,.28);border-radius:3px}
@media (prefers-reduced-motion:reduce){.fh-nav,.fh-eye,.fh-k,.fh-m,.fh-copy p,.fh-idea,.fh-goal,.fh-cta,.fh-foot{animation:none}}
/* Portrait screens (phones, tablets held upright): the forest is drawn above the words
   (3d.html fit=top) but the canvas fills the screen, so a drag anywhere, words included,
   turns it. While a finger is down the words fade and the shade lifts, so the whole
   forest shows; they return on release. */
.fh.top .fh-shade{transition:opacity .35s ease;background:linear-gradient(0deg,rgba(2,4,10,.96) calc(var(--copy-h,60%) + var(--copy-b,24px)),rgba(2,4,10,0) calc(var(--copy-h,60%) + var(--copy-b,24px) + 90px)),linear-gradient(180deg,rgba(2,4,10,.7),rgba(2,4,10,0) 90px)}
.fh.top .fh-copy{transition:opacity .35s ease}
.fh.top.busy .fh-copy{opacity:.1}
.fh.top.busy .fh-shade{opacity:.25}
@media (max-width:760px){
  .fh-nav{padding:0 16px;height:52px;gap:16px}
  .fh-nav .fh-enter{height:28px;padding:0 11px 0 13px}
  .fh-copy{left:20px;right:20px;bottom:calc(24px + env(safe-area-inset-bottom,0px))}
  .fh-eye{display:none}
  .fh h1{margin-top:0}
  .fh-k{font-size:12px}
  .fh-m{margin-top:6px;font-size:27px}
  .fh-copy p{margin-top:12px;font-size:12.5px;line-height:1.8}
  .fh-idea{margin-top:18px}
  .fh-f b{margin-top:7px;font-size:14px}
  .fh-f span{margin-top:3px;font-size:11.5px;line-height:1.6}
  .fh-f{padding-right:14px}
  .fh-f+.fh-f{padding-left:14px}
  .fh-goal{margin-top:14px;padding-top:12px;gap:4px 14px}
  .fh-goal b{font-size:14px}
  .fh-cta{margin-top:20px}
  .fh-foot{display:none}
}
@media (max-width:760px){
  html[lang=en] .fh-m{font-size:23px}
}
@media (max-width:480px){
  .fh-nav{gap:12px}
  .fh-brand span{display:none}
}

/* ---------------------------------------------------------------- forest views inside the workbench */
.lp .forest-wrap{flex-grow:1;display:flex;flex-direction:column;min-height:0;background:#02040A}
.lp .forest-wrap iframe{flex-grow:1;width:100%;min-height:420px;border:0;display:block;background:#02040A}
.lp .cols3{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:12px}
.lp .card .sub2{font-size:12px;color:var(--mut2)}
.lp .card .ft{padding:10px 18px;border-top:1px solid var(--line2);font-size:12.5px}
.lp .sr,.fh .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.lp .lnav .btn{height:28px;padding:0 10px;border:1px solid;border-radius:6px;cursor:pointer}
/* the workbench defines .pill and .step differently; keep the about page's own look */
.lp .pill::before{display:none}
.lp .step{display:block;white-space:normal;font-size:inherit;color:inherit}
.lp .steps{overflow:visible}
/* the sections under the system map: icon, short title, keyword chain */
.lp .sec .eyebrow+.tiles{margin-top:22px}
.lp .tiles{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.lp .tile{padding:22px 22px 20px;display:flex;flex-direction:column;gap:12px}
.lp .tile h3{margin:0!important;font-size:17px;letter-spacing:.3px}
.lp .tile .chain{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.lp .tile .chain span{font:500 12px 'IBM Plex Mono','Noto Sans SC',monospace;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--mut);white-space:nowrap}
.lp .tile .chain i{font-style:normal;color:var(--mut2);font-size:12px}
.lp .band:has(.tiles) .sec{padding-block:64px}
@media (max-width:760px){.lp .band:has(.tiles) .sec{padding-block:44px}}