/* ============================================================
   THE HONG KONG MILL · 香港工坊 — Design System v4.0
   IG palette: institutional navy · ice · petrol teal · brass signal
   IBM Plex EN/TC/Mono
   ============================================================ */

:root{
  --ink:#0A0C10;          /* page ground — v2 ink */
  --ink-2:#10141B;        /* raised panel */
  --ink-3:#161C26;        /* hover panel */
  --teal:#113A38;         /* petrol teal — IG-echo accent tiles */
  --teal-2:#134240;
  --ice:#DFE7EE;          /* pale ice — IG-echo accent (nav, panels) */
  --line:#232A35;         /* hairline */
  --paper:#E8EAED;        /* primary text */
  --dim:#A6ADBA;          /* secondary text */
  --faint:#7E8798;        /* tertiary / captions */
  --signal:#C9A25C;       /* brass — signal, used sparingly */
  --signal-dim:#8A7040;
  --steel:#5B7A9D;        /* data secondary */
  --danger:#A85454;
  --ok:#6F9B7E;
  --max:1240px;
  --sans:'IBM Plex Sans','IBM Plex Sans TC',-apple-system,'PingFang TC','Microsoft JhengHei',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--paper);font-family:var(--sans);font-weight:300;
     font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
:lang(zh-Hant){font-family:'IBM Plex Sans TC','PingFang TC','Microsoft JhengHei',var(--sans);line-height:1.8}
html[lang=zh-Hant] body{line-height:1.8}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--signal);color:var(--ink)}

/* ---------- typography ---------- */
h1,h2,h3,h4,h5{font-weight:500;line-height:1.2;letter-spacing:-.01em}
.display{font-size:clamp(2.4rem,5.4vw,4.4rem);font-weight:600;letter-spacing:-.02em;line-height:1.08}
.h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:600}
.h3{font-size:1.25rem;font-weight:600}
.eyebrow{font-family:var(--mono);font-size:1.05rem;letter-spacing:.22em;text-transform:uppercase;
         color:var(--signal);display:flex;align-items:center;gap:.9rem;margin-bottom:1.4rem}
.eyebrow::before{content:"";width:2rem;height:1px;background:var(--signal-dim)}
.lede{font-size:1.15rem;color:var(--dim);max-width:46rem;font-weight:300}
.zh-body{color:var(--dim);font-size:.95em;margin-top:.6rem}
.mono{font-family:var(--mono)}
.sig{color:var(--signal)}
.small{font-size:.85rem;color:var(--faint)}
hr.rule{border:0;border-top:1px solid var(--line);margin:0}

/* ---------- header ---------- */
.topbar{position:fixed;inset:0 0 auto 0;z-index:60;background:rgba(238,242,246,.94);
        backdrop-filter:blur(14px);border-bottom:1px solid #C7D2DE;
        box-shadow:0 1px 18px rgba(10,16,30,.18)}
.topbar-in{max-width:var(--max);margin:0 auto;padding:0 24px;height:110px;
           display:flex;align-items:center;justify-content:space-between;gap:2rem;min-width:0}
.wordmark{display:flex;align-items:center;gap:.7rem;white-space:nowrap}
.wordmark{flex:0 0 auto}
.wordmark img.logo{height:76px;width:auto;display:block;object-fit:contain}
footer .wordmark img.logo{height:60px}
.wordmark .en{font-weight:600;letter-spacing:.02em;font-size:.98rem}
.wordmark .tc{font-weight:500;color:var(--signal);letter-spacing:.28em;font-size:.98rem}
.wordmark .tick{width:8px;height:14px;background:var(--signal);display:inline-block;
                transform:translateY(1px)}
nav.main{display:flex;gap:2rem;align-items:center}
nav.main>div{position:relative}
nav.main a.top{font-family:var(--mono);font-size:.98rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;
               color:#3A4657;padding:41px 0;display:inline-block;position:relative;transition:color .2s;white-space:nowrap}
nav.main a.top::after{content:"";position:absolute;left:0;bottom:26px;height:2px;width:0;
               background:var(--signal);transition:width .28s cubic-bezier(.4,0,.2,1)}
nav.main a.top:hover, nav.main a.top.active{color:#0E1116}
nav.main a.top:hover::after{width:100%}
nav.main a.top.active::after{width:100%}
.drop{position:absolute;top:100%;left:-14px;min-width:300px;background:#F4F6F8;
      border:1px solid #C7D2DE;border-top:2px solid var(--signal);padding:.5rem 0;
      box-shadow:0 18px 40px rgba(10,16,30,.24);
      opacity:0;visibility:hidden;transform:translateY(8px);
      transition:opacity .22s ease,transform .22s ease,visibility .22s}
nav.main>div:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop.open{opacity:1;visibility:visible;transform:translateY(0)}
nav.main a.top .caret{font-size:.68em;opacity:.5;margin-left:.35rem;display:inline-block;
  transition:transform .22s}
nav.main>div:hover .caret,.has-drop .drop.open~.caret{transform:rotate(180deg)}
.drop a{display:block;padding:.68rem 1.3rem;font-size:.95rem;color:#3A4657;
  border-left:2px solid transparent;transition:background .18s,border-color .18s,color .18s}
.drop a:hover{color:#0E1116;background:#E9EEF3;border-left-color:var(--signal)}
.drop a span{display:block;font-family:var(--mono);font-size:.66rem;color:#7A8698;letter-spacing:.12em}
.lang-btn{font-family:var(--mono);font-size:1rem;font-weight:500;letter-spacing:.14em;color:#3A4657;
          border:1px solid #A9B6C6;padding:.6rem 1.1rem;transition:all .25s;white-space:nowrap;
          min-height:44px;display:inline-flex;align-items:center}
.lang-btn:hover{background:#0E1116;border-color:#0E1116;color:#F4F6F8}
.top-actions{display:flex;align-items:center;gap:.8rem}
.menu-btn{display:none;background:none;border:1px solid #A9B6C6;color:#3A4657;
          font-family:var(--mono);font-size:.9rem;font-weight:500;letter-spacing:.18em;padding:.6rem 1.1rem;
          min-height:44px;min-width:44px;cursor:pointer;transition:all .25s}
.menu-btn:hover{background:#0E1116;border-color:#0E1116;color:#F4F6F8}

/* ---------- signal strip (signature) ---------- */
.signal-strip{height:44px;display:flex;align-items:flex-end;gap:3px;overflow:hidden;
              border-top:1px solid var(--line);border-bottom:1px solid var(--line);
              padding:6px 0;opacity:.9}
.signal-strip i{flex:1;background:var(--line);min-width:2px}
.signal-strip i.s{background:var(--signal);animation:pulse 3.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.55}50%{opacity:1}}
@media (prefers-reduced-motion:reduce){.signal-strip i.s{animation:none}}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section.blk{padding:6.5rem 0;border-bottom:1px solid var(--line)}
section.blk.tight{padding:4rem 0}
.hero{padding:12.5rem 0 5rem;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;opacity:.28;
  -webkit-mask-image:radial-gradient(85% 90% at 30% 20%,#000 0%,transparent 75%);
          mask-image:radial-gradient(85% 90% at 30% 20%,#000 0%,transparent 75%)}
.hero>.wrap{position:relative}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
        border:1px solid var(--line)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
        border:1px solid var(--line)}
.cell{background:var(--ink);padding:2.2rem 1.8rem;transition:background .25s;position:relative}
.cell::after{content:"";position:absolute;top:0;left:0;height:2px;width:0;background:var(--signal);transition:width .35s ease}
.cell:hover{background:var(--ink-2)}
.cell:hover::after{width:100%}
.cell .idx{font-family:var(--mono);font-size:.8rem;font-weight:500;color:var(--signal);letter-spacing:.18em;margin-bottom:1rem;display:block}
.cell h3,.cell h2{margin-bottom:.6rem}
.cell p{color:var(--dim);font-size:.95rem}
.cell .zh-t{color:var(--faint);font-size:.9rem;letter-spacing:.14em;display:block;margin-top:.15rem;font-weight:400}

/* panel list rows */
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:110px 1fr 2fr;gap:2rem;padding:2rem 0;
     border-bottom:1px solid var(--line)}
.row .k{font-family:var(--mono);font-size:.75rem;color:var(--signal);letter-spacing:.15em;padding-top:.3rem}
.row h4,.row h3{font-size:1.05rem;font-weight:600}
.row h4 .zh-t,.row h3 .zh-t{display:block;color:var(--faint);font-weight:400;font-size:.88rem;letter-spacing:.1em;margin-top:.2rem}
.row p{color:var(--dim);font-size:.95rem}

/* pyramid */
.pyr{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line)}
.pyr .lvl{background:var(--ink-2);padding:1.7rem 2rem;display:grid;
          grid-template-columns:70px 1fr auto;gap:1.6rem;align-items:center;transition:background .25s}
.pyr .lvl:hover{background:var(--ink-3)}
.pyr .lvl .tag{font-family:var(--mono);color:var(--signal);font-size:.95rem;letter-spacing:.1em}
.pyr .lvl .q{font-family:var(--mono);font-size:.75rem;color:var(--faint);letter-spacing:.08em;text-align:right}
.pyr .lvl h4,.pyr .lvl h3{font-weight:600}
.pyr .lvl p{color:var(--dim);font-size:.9rem}

/* buttons */
.btn{display:inline-block;font-family:var(--mono);font-size:.84rem;font-weight:500;letter-spacing:.16em;
     text-transform:uppercase;padding:1rem 1.9rem;border:1px solid var(--signal-dim);
     color:var(--signal);transition:all .25s}
.btn:hover{background:var(--signal);color:var(--ink)}
.btn.ghost{border-color:var(--line);color:var(--dim)}
.btn.ghost:hover{background:var(--ink-3);color:var(--paper)}

/* quote */
.pull{border-left:2px solid var(--signal);padding:.4rem 0 .4rem 2rem;max-width:52rem}
.pull p{font-size:1.35rem;font-weight:400;line-height:1.55}
.pull p+p{font-size:1rem;color:var(--dim);margin-top:1rem}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.stat{background:var(--ink);padding:2.4rem 2rem}
.stat .n{font-size:2.6rem;font-weight:600;letter-spacing:-.02em}
.stat .n em{color:var(--signal);font-style:normal}
.stat .l{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-top:.4rem}

/* figures / svg artefacts */
.fig{border:1px solid var(--line);background:var(--ink-2);padding:1.6rem}
.fig figcaption{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;
                text-transform:uppercase;color:var(--faint);margin-top:1.1rem}
.fig svg{width:100%;height:auto;display:block}

/* diagram stack (agent OS / pipelines) */
.stack{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);counter-reset:ly}
.stack .ly{background:var(--ink-2);padding:1.35rem 1.8rem;display:grid;grid-template-columns:46px 240px 1fr;gap:1.4rem;align-items:baseline}
.stack .ly::before{counter-increment:ly;content:counter(ly,decimal-leading-zero);
                   font-family:var(--mono);color:var(--signal);font-size:.85rem}
.stack .ly h4,.stack .ly h3{font-size:.98rem;font-weight:600}
.stack .ly h4 .zh-t,.stack .ly h3 .zh-t{display:block;font-weight:400;font-size:.85rem;color:var(--faint);letter-spacing:.08em}
.stack .ly p{color:var(--dim);font-size:.88rem}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:.6rem}
.chip{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;color:var(--dim);
      border:1px solid var(--line);padding:.45rem .9rem;background:var(--ink-2)}
.chip.sig{color:var(--signal);border-color:var(--signal-dim)}

/* logo wall */
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.logo-wall .lg{background:var(--ink-2);aspect-ratio:5/3;display:flex;align-items:center;
               justify-content:center;padding:1.4rem;filter:grayscale(1) contrast(1.05) brightness(1.5);
               opacity:.7;transition:all .3s}
.logo-wall .lg:hover{opacity:1;filter:grayscale(0)}
.logo-wall img{max-height:88px;max-width:82%;object-fit:contain}

/* team */
.person{display:grid;grid-template-columns:280px 1fr;gap:3rem;padding:3.5rem 0;border-bottom:1px solid var(--line)}
.person .ph{border:1px solid var(--line);filter:grayscale(1) contrast(1.05);aspect-ratio:3/3.2;object-fit:cover;width:100%}
.person:hover .ph{filter:grayscale(.2)}
.person .role{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--signal);margin:.4rem 0 1.3rem}
.person p{color:var(--dim);font-size:.94rem;margin-bottom:.9rem}

/* footer */
footer{padding:4.5rem 0 3rem;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.1fr;gap:2.6rem;margin-bottom:3.5rem}
footer h5,footer .fh5{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:1.1rem}
footer a.fl{display:block;color:var(--dim);font-size:.88rem;padding:.22rem 0}
footer a.fl:hover{color:var(--paper)}
.foot-base{display:flex;justify-content:space-between;gap:2rem;border-top:1px solid var(--line);
           padding-top:1.6rem;color:var(--faint);font-size:.78rem;font-family:var(--mono);flex-wrap:wrap}

/* animated svg effects */
.wave rect{transform-origin:center;animation:wv 1.6s ease-in-out infinite}
@keyframes wv{0%,100%{transform:scaleY(.35)}50%{transform:scaleY(1)}}
.flowline{stroke-dasharray:7 6;animation:fl 1.4s linear infinite}
@keyframes fl{to{stroke-dashoffset:-13}}
.loopring{stroke-dasharray:5 7;animation:fl 2.6s linear infinite}
@media (prefers-reduced-motion:reduce){.wave rect,.flowline,.loopring{animation:none}}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* tables */
table.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
        color:var(--faint);text-align:left;padding:.8rem 1rem;border-bottom:1px solid var(--line)}
.tbl td{padding:1rem;border-bottom:1px solid var(--line);color:var(--dim);vertical-align:top}
.tbl td:first-child{color:var(--signal);font-family:var(--mono);font-size:.8rem;white-space:nowrap}

/* flags */
.flag{display:inline-block;width:.7rem;height:.7rem;margin-right:.5rem;transform:translateY(1px)}
.flag.g{background:var(--ok)} .flag.a{background:var(--signal)} .flag.r{background:var(--danger)}

/* video */
.vid{position:relative;aspect-ratio:16/9;border:1px solid var(--line);background:var(--ink-2)}
.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* responsive */
@media(max-width:1000px){
  .grid-2,.grid-3,.grid-4,.stats,.foot-grid{grid-template-columns:1fr 1fr}
  .person{grid-template-columns:1fr}
  .person .ph{max-width:300px}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .row{grid-template-columns:80px 1fr}
  .row p{grid-column:2}
  .stack .ly{grid-template-columns:40px 1fr}
  .stack .ly p{grid-column:2}
}
@media(max-width:760px){
  .topbar-in{height:74px;padding:0 18px;gap:.8rem}
  .wordmark img.logo{height:46px}
  .lang-btn{font-size:.82rem;letter-spacing:.1em;padding:.5rem .7rem}
  .menu-btn{font-size:.78rem;letter-spacing:.14em;padding:.5rem .8rem}
  .top-actions{gap:.5rem}
  nav.main{position:fixed;inset:74px 0 auto 0;background:#F4F6F8;flex-direction:column;
           align-items:flex-start;padding:1rem 24px 2rem;gap:.2rem;border-bottom:1px solid #C7D2DE;
           box-shadow:0 14px 30px rgba(10,16,30,.2);display:none;max-height:calc(100vh - 74px);overflow:auto;-webkit-overflow-scrolling:touch}
  nav.main.open{display:flex}
  nav.main a.top{padding:.85rem 0;font-size:.95rem;width:100%}
  nav.main a.top::after{display:none}
  nav.main>div{width:100%;border-bottom:1px solid #DCE3EA}
  nav.main>div:last-child{border-bottom:0}
  .drop a{padding:.6rem 0;font-size:.9rem}
  .drop{position:static;display:none;border:0;background:none;box-shadow:none;padding:0 0 .4rem 1rem;min-width:0}
  .drop.open{display:block}
  .menu-btn{display:block}
  .grid-3,.grid-4,.stats,.foot-grid,.grid-2{grid-template-columns:1fr}
  .hero{padding:8rem 0 3rem}
  .pyr .lvl{grid-template-columns:56px 1fr}.pyr .lvl .q{display:none}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
}

/* ---------- v3: legal pages ---------- */
.legal{max-width:47rem}
.legal .lmeta{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--faint);
  border:1px solid var(--line);padding:.9rem 1.2rem;margin:2.2rem 0 3rem;line-height:1.9}
.legal h2{font-size:1.05rem;font-weight:600;letter-spacing:.01em;margin:2.8rem 0 .9rem;color:var(--paper)}
.legal h2 .no{font-family:var(--mono);font-size:.72rem;color:var(--signal);letter-spacing:.14em;
  display:inline-block;margin-right:.9rem;transform:translateY(-1px)}
.legal p{color:var(--dim);font-size:.95rem;line-height:1.85;margin-bottom:.9rem}
.legal p strong{color:var(--paper);font-weight:600}
.legal .hard{border-left:2px solid var(--signal);padding:1.1rem 1.4rem;background:rgba(201,162,92,.045);margin:1.4rem 0}
.legal .hard p{margin:0;color:var(--paper)}

/* ---------- v3: data ethics callout ---------- */
.ethics{border:1px solid var(--line);border-left:2px solid var(--signal);
  padding:2rem 2.2rem;max-width:52rem;position:relative;background:rgba(201,162,92,.03)}
.ethics .tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;color:var(--signal);
  display:block;margin-bottom:1rem}
.ethics p{color:var(--dim);font-size:.95rem;line-height:1.8}
.ethics p em{color:var(--paper);font-style:normal;font-weight:600}

/* ---------- v3: scroll progress hairline ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--signal-dim),var(--signal));pointer-events:none}
@media (prefers-reduced-motion: reduce){.progress{display:none}}


/* ---------- v4: clickable product cells + product line ---------- */
a.cell{display:block;cursor:pointer;border-left:2px solid transparent}
a.cell:hover{background:var(--ink-3);border-left-color:var(--signal)}
a.cell .go{font-family:var(--mono);font-size:.72rem;color:var(--signal);letter-spacing:.16em;
  display:inline-block;margin-top:1.1rem;opacity:.65;transition:opacity .25s,transform .25s}
a.cell:hover .go{opacity:1;transform:translateX(4px)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.prod-grid .cell h3,.prod-grid .cell h2{font-size:1.18rem}
.prod-grid .cell{background:var(--ink-2);padding:2.4rem 2rem}
.prod-grid .cell:nth-child(even){background:var(--teal)}
.prod-grid .cell:nth-child(even):hover, .prod-grid a.cell:nth-child(even):hover{background:var(--teal-2)}
@media (max-width:960px){.prod-grid{grid-template-columns:1fr}}

/* v4: directory (who are you / pain point) */
.dir{border:1px solid var(--line)}
.dir .dir-head{padding:1.4rem 2rem;border-bottom:1px solid var(--line);background:var(--ink-2);
  font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--signal)}
.dir-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line)}
.dir-grid a{background:var(--ink);padding:1.6rem 2rem;display:block;transition:background .25s;border-left:2px solid transparent}
.dir-grid a:hover{background:var(--ink-3);border-left-color:var(--signal)}
.dir-grid a h4,.dir-grid a h3,.dir-grid a h2{font-size:1rem;font-weight:600;margin-bottom:.35rem}
.dir-grid a p{color:var(--dim);font-size:.88rem}
.dir-grid a .to{font-family:var(--mono);font-size:.68rem;color:var(--signal);letter-spacing:.14em;display:block;margin-top:.7rem}
@media (max-width:760px){.dir-grid{grid-template-columns:1fr}}

/* v4: slogan triptych */
.slogan3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.slogan3 div{padding:2.2rem 1.6rem;text-align:center;background:var(--ink-2)}
.slogan3 div:nth-child(2){background:var(--ice)}
.slogan3 div:nth-child(2) .s{color:#0E1116}
.slogan3 div:nth-child(2) .s b{color:#8A6A2E}
.slogan3 div:nth-child(2) .z{color:#5A6270}
.slogan3 .s{font-family:var(--mono);font-size:1.02rem;letter-spacing:.2em;color:var(--paper)}
.slogan3 .s b{color:var(--signal);font-weight:500}
.slogan3 .z{display:block;margin-top:.6rem;color:var(--faint);font-size:.85rem;letter-spacing:.3em}
@media (max-width:760px){.slogan3{grid-template-columns:1fr}}

/* v4: demo / quotation band */
.rfq{border:1px solid var(--line);background:var(--ink-2);padding:2.6rem 2.4rem;
  display:grid;grid-template-columns:1fr auto auto;gap:1.4rem;align-items:center}
.rfq h3,.rfq h2{font-size:1.15rem;font-weight:600}
.rfq p{color:var(--dim);font-size:.9rem;margin-top:.3rem}
@media (max-width:860px){.rfq{grid-template-columns:1fr}}

/* v4: ice panel (light IG tile accent, used sparingly) */
.ice-panel{background:var(--ice);color:#0E1116;padding:2.6rem 2.4rem}
.ice-panel .eyebrow{color:#7A5A22}.ice-panel .eyebrow::before{background:#B08D4A}
.ice-panel p{color:#38424F}
.ice-panel h2,.ice-panel h3{color:#0E1116}

/* v4: brand icon wall (empowered by) */
.brand-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.brand-wall .bi{background:var(--ink-2);padding:1.6rem .8rem;display:flex;flex-direction:column;align-items:center;gap:.7rem;transition:background .25s}
.brand-wall .bi:hover{background:var(--ink-3)}
.brand-wall .bi svg{width:30px;height:30px;fill:var(--dim)}
.brand-wall .bi:hover svg{fill:var(--paper)}
.brand-wall .bi span{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;color:var(--faint);text-align:center}
@media (max-width:860px){.brand-wall{grid-template-columns:repeat(3,1fr)}}


/* ---------- v5: reversed nav support + posh effects ---------- */
.hero{background-image:radial-gradient(rgba(154,168,189,.10) 1px, transparent 1px);
      background-size:26px 26px;background-position:0 0}
a.cell, .prod-grid .cell{transition:background .25s, transform .25s, box-shadow .25s, border-color .25s}
a.cell:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.45)}
.brand-wall .bi svg{fill:currentColor}


/* ---------- v8: nav fit at laptop widths ---------- */
@media (max-width:1420px){
  nav.main a.top{font-size:.88rem;letter-spacing:.06em}
  nav.main{gap:1.5rem}
}
@media (max-width:1200px){
  nav.main a.top{font-size:.8rem}
  nav.main{gap:1.15rem}
  .wordmark img.logo{height:62px}
}


/* ---------- v9: demo deck ---------- */
.deck{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem}
.dcard{margin:0;border:1px solid var(--line);background:var(--ink-2);
  transition:transform .28s,box-shadow .28s,border-color .28s}
.dcard:hover{transform:translateY(-4px) ;box-shadow:0 18px 36px rgba(0,0,0,.5);border-color:var(--signal-dim)}
.dcard img{width:100%;height:auto;display:block;border-bottom:1px solid var(--line)}
.dcard figcaption{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;color:var(--dim);
  padding:.9rem 1.1rem}
.dcard figcaption span{display:block;color:var(--faint);margin-top:.2rem;letter-spacing:.1em}
.dcard .zoom{display:none}
@media (max-width:960px){.deck{grid-template-columns:1fr}}
@media (max-width:640px){.deck{grid-template-columns:1fr}}

/* ---------- v9: UR5e simulation ---------- */
.sim-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
#ur5e-viewport{background:var(--ink-2);min-height:460px;position:relative;overflow:hidden}
#ur5e-viewport canvas{display:block;width:100%!important;height:100%!important;position:absolute;inset:0}
#ur5e-console{background:var(--ink-2);padding:1.4rem 1.5rem;display:flex;flex-direction:column;gap:.7rem}
.sim-head{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;color:var(--signal);
  border-bottom:1px solid var(--line);padding-bottom:.8rem}
.sim-head .zh{color:var(--faint);margin-left:.6rem;letter-spacing:.3em}
#ur5e-joints{display:flex;flex-direction:column;gap:.55rem;flex:1}
.ur5e-joint-head{display:flex;align-items:baseline;gap:.6rem;font-family:var(--mono);font-size:.72rem}
.ur5e-joint-id{color:var(--signal);letter-spacing:.12em}
.ur5e-joint-name{color:var(--dim);flex:1;letter-spacing:.06em}
.ur5e-joint-val{color:var(--paper)}
.ur5e-joint-range{font-family:var(--mono);font-size:.6rem;color:var(--faint);letter-spacing:.08em;margin-top:.15rem}
.ur5e-slider{width:100%;appearance:none;height:2px;background:var(--line);outline:none;margin-top:.4rem}
.ur5e-slider::-webkit-slider-thumb{appearance:none;width:14px;height:14px;background:var(--signal);
  border:2px solid var(--ink);border-radius:50%;cursor:pointer}
.ur5e-slider::-moz-range-thumb{width:12px;height:12px;background:var(--signal);border:2px solid var(--ink);border-radius:50%;cursor:pointer}
.sim-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:.9rem}
.sim-tcp{font-family:var(--mono);font-size:.66rem;color:var(--dim);letter-spacing:.08em}
.sim-tcp.ur5e-tcp-warn{color:#C97B5C}
.sim-btns{display:flex;gap:.5rem}
.sim-btns button{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;color:var(--signal);
  background:none;border:1px solid var(--signal-dim);padding:.45rem .9rem;cursor:pointer;transition:all .2s}
.sim-btns button:hover{background:var(--signal);color:var(--ink)}
@media (max-width:960px){.sim-wrap{grid-template-columns:1fr}#ur5e-viewport{min-height:340px}}

/* ---------- v9: field demo media ---------- */
.demo-video,.demo-photo{width:100%;height:auto;display:block;border:1px solid var(--line)}
.fx-panel{border:1px solid var(--line);background:var(--ink-2);padding:1.2rem}
.fx-panel iframe, .fx-panel table{background:transparent}

/* ---------- v9: UI polish ---------- */
html{scroll-behavior:smooth}
::selection{background:var(--signal);color:var(--ink)}
a:focus-visible,button:focus-visible{outline:2px solid var(--signal);outline-offset:3px}


/* ---------- v11: mobile refinement ---------- */
@media (max-width:760px){
  /* rhythm: tighter vertical sections, roomier gutters */
  section.blk{padding:3.8rem 0}
  section.blk.tight{padding:2.6rem 0}
  .wrap{padding:0 20px}
  .grid-2,.grid-3,.grid-4{gap:1.6rem}

  /* type: comfortable reading sizes */
  .display{font-size:clamp(2rem,8.4vw,2.8rem);line-height:1.14}
  .h2{font-size:clamp(1.45rem,5.6vw,1.9rem)}
  .lede{font-size:1.02rem;line-height:1.65}
  .eyebrow{font-size:.86rem;letter-spacing:.16em}
  p{font-size:.97rem}
  .cell p,.row p,.dir-grid a p{font-size:.95rem;line-height:1.7}

  /* stats: 2-up instead of stacked single column */
  .stats{grid-template-columns:1fr 1fr!important;gap:1.4rem}
  .stat .n{font-size:2rem}
  .stat .l{font-size:.78rem}

  /* touch targets & CTAs full-width */
  .btn{display:block;width:100%;text-align:center;padding:1.05rem 1.2rem;font-size:.8rem;letter-spacing:.12em}
  .rfq{padding:1.8rem 1.4rem;gap:1rem}
  .rfq .btn{width:100%}
  .dir-grid a{padding:1.3rem 1.4rem}
  .dir .dir-head{padding:1.1rem 1.4rem;font-size:.68rem;letter-spacing:.14em}
  .cell{padding:1.8rem 1.5rem}
  .prod-grid .cell{padding:1.9rem 1.5rem}

  /* slogan triptych stacks with breathing room */
  .slogan3 div{padding:1.7rem 1.2rem}
  .slogan3 .s{font-size:.92rem;letter-spacing:.14em}
  .slogan3 .z{letter-spacing:.2em;font-size:.8rem}

  /* figures & media: never overflow, always legible */
  .fig svg{min-height:0}
  .fig figcaption{font-size:.62rem;letter-spacing:.1em;line-height:1.7}
  .demo-video,.demo-photo{width:100%}
  .deck{gap:1.2rem}
  .dcard figcaption{font-size:.62rem;padding:.8rem .9rem}

  /* wide figures: allow horizontal pan rather than shrink to illegibility */
  .fig-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .fig-scroll svg{min-width:620px}

  /* tables scroll instead of squashing */
  table.tbl{font-size:.82rem;display:block;overflow-x:auto;white-space:nowrap}

  /* simulation: viewport first, console below, comfortable controls */
  #ur5e-viewport{min-height:300px}
  #ur5e-console{padding:1.1rem 1.2rem}
  .ur5e-slider{height:4px}
  .ur5e-slider::-webkit-slider-thumb{width:22px;height:22px}
  .ur5e-slider::-moz-range-thumb{width:20px;height:20px}
  .sim-btns button{padding:.6rem 1rem;font-size:.68rem;min-height:44px}
  .sim-foot{flex-direction:column;align-items:flex-start;gap:.8rem}

  /* legal pages */
  .legal .lmeta{font-size:.64rem;padding:.8rem 1rem;line-height:1.8}
  .legal h2{font-size:1rem;margin:2.2rem 0 .7rem}
  .legal h2 .no{display:block;margin:0 0 .3rem}
  .legal p{font-size:.94rem}
  .legal .hard{padding:1rem 1.1rem}

  /* footer: two columns, tidier */
  footer .foot-grid{grid-template-columns:1fr 1fr;gap:1.8rem}
  footer .fh5{font-size:.64rem}
  footer .fl{font-size:.85rem;padding:.28rem 0;display:block}
  footer .wordmark img.logo{height:44px}
  .foot-base{flex-direction:column;align-items:flex-start;gap:.7rem;font-size:.7rem}

  /* team / person cards */
  .person{grid-template-columns:1fr;gap:1.4rem;padding:2.4rem 0}
  .person .ph{max-width:220px}

  /* partner + brand walls */
  .brand-wall{grid-template-columns:repeat(3,1fr)}
  .brand-wall .bi{padding:1.2rem .5rem}
  .logo-wall img{max-height:60px}

  /* pull quotes */
  .pull{padding-left:1.2rem}
  .pull p{font-size:1.1rem}

  /* nav: comfortable tap rows, full-width drop links */
  nav.main a.top{padding:.95rem 0;font-size:.95rem;width:100%}
  nav.main a.top::after{display:none}
  nav.main>div{width:100%;border-bottom:1px solid #E1E7ED}
  nav.main>div:last-child{border-bottom:0}
  .drop{box-shadow:none}
  .drop a{padding:.8rem 0 .8rem 1rem;font-size:.9rem}
  .drop a span{font-size:.6rem}

  /* sample-output dashboards: tap to open full size, never illegible */
  .dcard a{display:block}
  .dcard .zoom{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;color:var(--signal);
    display:block;padding:0 .9rem .8rem}

  /* third-party widgets must not overflow the viewport */
  .fx-panel{padding:.9rem;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .fx-panel img{max-width:100%;height:auto}
  .fx-panel table{max-width:100%;font-size:.72rem}

  /* anchored jumps clear the fixed bar */
  section[id]{scroll-margin-top:86px}

  /* lighten decorative texture on small screens */
  .hero{background-size:20px 20px}
  .signal-strip{opacity:.75}
}

@media (max-width:420px){
  .display{font-size:1.85rem}
  .stats{grid-template-columns:1fr!important}
  .brand-wall{grid-template-columns:repeat(2,1fr)}
  .wrap{padding:0 16px}
}


/* ---------- v11: cross-device safety ---------- */
section[id]{scroll-margin-top:124px}
.fx-panel img{max-width:100%;height:auto;display:block}
.deck img{background:var(--ink)}


/* ================= v11: mobile refinement ================= */
@media (max-width:760px){
  /* type scale — display headlines were sized for desktop */
  .display{font-size:clamp(2.1rem,8.6vw,3.2rem);line-height:1.14}
  .h2{font-size:clamp(1.45rem,5.6vw,2rem);line-height:1.22}
  .lede{font-size:1.02rem;line-height:1.65}
  .eyebrow{font-size:.86rem;letter-spacing:.18em}
  .wrap{padding-left:20px;padding-right:20px}
  .blk{padding:3.6rem 0}
  .blk.tight{padding:2.4rem 0}

  /* nav bar shorter on phones, logo scaled to match */
  .topbar-in{height:76px}
  .wordmark img.logo{height:46px}
  nav.main{inset:76px 0 auto 0;max-height:calc(100vh - 76px)}
  nav.main a.top{font-size:1rem;padding:.85rem 0;width:100%}
  nav.main a.top::after{display:none}
  .lang-btn{font-size:.82rem;padding:.55rem .8rem;letter-spacing:.1em}
  .menu-btn{font-size:.82rem;padding:.55rem .9rem}
  .top-actions{gap:.5rem}
  .hero{padding:8.5rem 0 3rem}

  /* tap targets + stacked CTAs */
  .btn{display:block;width:100%;text-align:center;padding:1.05rem 1.2rem;font-size:.86rem}
  .rfq{padding:2rem 1.4rem;gap:1rem}
  .rfq .btn{width:100%}

  /* cards and grids breathe */
  .cell{padding:1.9rem 1.5rem}
  .prod-grid .cell{padding:2rem 1.5rem}
  .dir-grid a{padding:1.4rem 1.4rem}
  .stats{gap:1.6rem}
  .stat .n{font-size:2.6rem}
  .rows .row{grid-template-columns:44px 1fr;gap:1rem}
  .person{grid-template-columns:1fr;gap:1.6rem}
  .person .ph{max-width:230px}

  /* wide figures scroll instead of shrinking to illegibility */
  .fig{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .fig svg{min-width:560px}
  .deck{gap:1.1rem}
  .dcard img{width:100%;height:auto}

  /* simulation: viewport first, console below, thumb-friendly sliders */
  .sim-wrap{grid-template-columns:1fr}
  #ur5e-viewport{min-height:320px;touch-action:none}
  #ur5e-console{padding:1.2rem 1.2rem}
  .ur5e-slider{height:4px}
  .ur5e-slider::-webkit-slider-thumb{width:20px;height:20px}
  .ur5e-slider::-moz-range-thumb{width:18px;height:18px}
  .sim-foot{flex-direction:column;align-items:flex-start;gap:.8rem}
  .sim-btns button{padding:.6rem 1.1rem}

  /* legal pages readable on small screens */
  .legal .lmeta{font-size:.66rem;line-height:1.8;padding:.8rem 1rem}
  .legal h2{font-size:1rem}
  .legal p{font-size:.94rem}

  /* footer stacking */
  .foot-grid{gap:2rem}
  .foot-base{flex-direction:column;align-items:flex-start;gap:.7rem;text-align:left}
  .brand-wall{grid-template-columns:repeat(3,1fr)}
  .slogan3 div{padding:1.8rem 1.2rem}
  .signal-strip{height:3px}
}
@media (max-width:420px){
  .brand-wall{grid-template-columns:repeat(2,1fr)}
  .logo-wall{grid-template-columns:1fr}
  .display{font-size:clamp(1.9rem,9vw,2.6rem)}
}
/* prevent any horizontal page scroll on phones */
html,body{max-width:100%;overflow-x:hidden}