:root{
  --bg:#F2F0EE; --panel:#FFFFFF; --panel-2:#E9E5E2; --panel-3:#F7F5F3;
  --line:#DAD4D0; --line-hi:#B8AFA9;
  --fg:#2A2725; --fg-2:#57514D; --fg-3:#857D78;
  --ask:#C0492A; --ask-hi:#D9603A; --ask-wash:#FAEDE8; --on-ask:#FFFFFF;
  --cut:#1D7A88; --cut-wash:#DEEFF1; --good:#2E7D5B;
  --wood:#8C6B4F; --stone:#D9D3CC; --app:#2A2725; --wall:#EBE7E3; --floor:#DCD6D0; --scene:#E6E1DD;
  --fs:1;
  --fig:"Space Grotesk","Readex Pro","Segoe UI",system-ui,sans-serif;
  /* what a part is for, said in colour — storage, water, heat, corners,
     openings, fixed panels. Six families, not fourteen loose hues. */
  --f-store:#96703F; --f-water:#1D7A88; --f-heat:#A8791C;
  --f-corner:#7A4B72; --f-open:#5A7A92; --f-fixed:#8A8279;
  --f-store-w:#F4EDE2; --f-water-w:#DEEFF1; --f-heat-w:#F6EEDA;
  --f-corner-w:#F2E9F1; --f-open-w:#E6EDF2; --f-fixed-w:#EFEDEA;
  --sans:"Readex Pro","Segoe UI",system-ui,-apple-system,sans-serif;
  --display:"Cairo","Readex Pro","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --r:4px; --ease:cubic-bezier(.32,.72,0,1);
  --shadow:0 1px 2px rgba(20,17,15,.05),0 14px 40px -18px rgba(20,17,15,.26);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --fig:"Space Grotesk","Readex Pro","Segoe UI",system-ui,sans-serif;
  --f-store:#C39A5F; --f-water:#5FC0CE; --f-heat:#D9AE4A;
  --f-corner:#C08CB6; --f-open:#8FAFC6; --f-fixed:#B0A79C;
  --f-store-w:#2A2116; --f-water-w:#0F2A2E; --f-heat-w:#2C2411;
  --f-corner-w:#2A1B28; --f-open-w:#182229; --f-fixed-w:#22201D;
  --bg:#14110F; --panel:#1D1917; --panel-2:#272220; --panel-3:#191514;
  --line:#362F2C; --line-hi:#4A423E;
  --fg:#F0EBE8; --fg-2:#C4BAB4; --fg-3:#8E837D;
  --ask:#E4744B; --ask-hi:#F08E68; --ask-wash:#33190F; --on-ask:#14110F;
  --cut:#5FC0CE; --cut-wash:#0F2A2E; --good:#64C093;
  --wood:#A8825E; --stone:#4A433D; --app:#0E0C0B; --wall:#24201D; --floor:#1C1815; --scene:#1E1917;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 16px 46px -20px rgba(0,0,0,.8);
}}
:root[data-theme="dark"]{
  --fig:"Space Grotesk","Readex Pro","Segoe UI",system-ui,sans-serif;
  --f-store:#C39A5F; --f-water:#5FC0CE; --f-heat:#D9AE4A;
  --f-corner:#C08CB6; --f-open:#8FAFC6; --f-fixed:#B0A79C;
  --f-store-w:#2A2116; --f-water-w:#0F2A2E; --f-heat-w:#2C2411;
  --f-corner-w:#2A1B28; --f-open-w:#182229; --f-fixed-w:#22201D;
  --bg:#14110F; --panel:#1D1917; --panel-2:#272220; --panel-3:#191514;
  --line:#362F2C; --line-hi:#4A423E;
  --fg:#F0EBE8; --fg-2:#C4BAB4; --fg-3:#8E837D;
  --ask:#E4744B; --ask-hi:#F08E68; --ask-wash:#33190F; --on-ask:#14110F;
  --cut:#5FC0CE; --cut-wash:#0F2A2E; --good:#64C093;
  --wood:#A8825E; --stone:#4A433D; --app:#0E0C0B; --wall:#24201D; --floor:#1C1815; --scene:#1E1917;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 16px 46px -20px rgba(0,0,0,.8);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:calc(15px*var(--fs));line-height:1.6;-webkit-font-smoothing:antialiased}

.shell{max-width:1240px;margin:0 auto;padding:26px 20px 40px;
  display:grid;grid-template-columns:1.25fr .85fr;gap:26px;align-items:start}
@media(max-width:960px){.shell{grid-template-columns:1fr;gap:20px}}

/* ── brand ── */
.askmark{display:inline-flex;flex-direction:column;align-items:flex-start;gap:1px;direction:ltr;text-align:left}
.askwm{display:flex;align-items:baseline;gap:6px;line-height:1;white-space:nowrap}
.ask-lat{font-size:calc(34px*var(--fs));font-weight:700;letter-spacing:-.045em;unicode-bidi:isolate;
  transform:skewX(-8deg);transform-origin:left bottom;display:inline-block}
.ask-lat .a1{color:var(--fg)} .ask-lat .a2{color:var(--ask)}
.ask-ar{font-size:calc(28px*var(--fs));font-weight:600;color:var(--ask);unicode-bidi:isolate;direction:rtl;
  transform:skewX(-8deg);display:inline-block}
.asktag{font-size:calc(10px*var(--fs));color:var(--fg-2);margin-top:3px;direction:rtl;unicode-bidi:isolate;align-self:stretch;text-align:right}
.askrule{height:3px;background:var(--ask);align-self:stretch;margin-top:4px;border-radius:2px;
  transform-origin:right;animation:draw .7s var(--ease) .15s both}
@keyframes draw{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* ── hero ── */
.hero{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);overflow:hidden}
.hero-top{padding:24px 26px 18px}
h1{font-size:calc(clamp(24px,3.4vw,34px)*var(--fs));line-height:1.15;font-weight:600;letter-spacing:-.02em;
  margin:18px 0 10px;text-wrap:balance}
.lede{font-size:calc(16px*var(--fs));color:var(--fg-2);font-weight:300;margin:0;max-width:54ch}
#stage{width:100%;height:clamp(240px,34vh,320px);background:var(--scene);display:block;position:relative}
#stage canvas{display:block;width:100%;height:100%}
.stage-note{position:absolute;inset-block-end:10px;inset-inline-start:14px;font-family:var(--mono);
  font-size:calc(10px*var(--fs));letter-spacing:.09em;text-transform:uppercase;color:var(--fg-3);
  background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:4px 11px}
.fallback{display:flex;align-items:center;justify-content:center;height:100%;color:var(--fg-3);font-size:calc(13px*var(--fs));padding:20px;text-align:center}

/* ── features ── */
/* Four cards, so two by two — auto-fit gave three across and left the
   fourth alone beside an empty cell. */
.feats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border-top:1px solid var(--line)}
@media(max-width:480px){.feats{grid-template-columns:1fr}}
.feat{background:var(--panel);padding:16px 18px;display:flex;gap:12px;align-items:flex-start;
  opacity:0;transform:translateY(9px);animation:rise .5s var(--ease) both}
.feat:nth-child(1){animation-delay:.25s}
.feat:nth-child(2){animation-delay:.34s}
.feat:nth-child(3){animation-delay:.43s}
.feat:nth-child(4){animation-delay:.52s}
@keyframes rise{to{opacity:1;transform:none}}
.feat svg{flex:0 0 auto;margin-top:2px}
.feat h3{margin:0 0 3px;font-size:calc(14px*var(--fs));font-weight:600}
.feat p{margin:0;font-size:calc(12.5px*var(--fs));color:var(--fg-3);line-height:1.5}

/* ── stats ── */
.stats{display:flex;gap:0;border-top:1px solid var(--line);background:var(--panel)}
.stat{flex:1 1 0;padding:14px 18px;border-inline-end:1px solid var(--line)}
.stat:last-child{border-inline-end:0}
.stat b{display:block;font-size:calc(15px*var(--fs));font-weight:600;letter-spacing:-.01em;color:var(--ask)}
.stat.srv{text-align:center;opacity:0;transform:translateY(8px);animation:rise .5s var(--ease) both}

/* ── login card ── */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:24px;position:sticky;top:26px;
  opacity:0;transform:translateY(12px);animation:rise .55s var(--ease) .1s both}
.card h2{margin:0 0 4px;font-size:calc(19px*var(--fs));font-weight:600;letter-spacing:-.012em}
.card .sub{margin:0 0 18px;font-size:calc(13px*var(--fs));color:var(--fg-3)}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.field label{font-family:var(--mono);font-size:calc(9.5px*var(--fs));letter-spacing:.11em;text-transform:uppercase;color:var(--fg-3)}
.field input{font-family:var(--sans);font-size:calc(14px*var(--fs));padding:10px 12px;border:1px solid var(--line-hi);
  border-radius:var(--r);background:var(--panel);color:var(--fg);width:100%;transition:border-color .18s,box-shadow .18s}
.field input:focus{border-color:var(--ask);box-shadow:0 0 0 3px var(--ask-wash);outline:none}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.chk{display:flex;align-items:center;gap:7px;font-size:calc(13px*var(--fs));color:var(--fg-2);cursor:pointer}
.chk input{width:15px;height:15px;accent-color:var(--ask)}
.link{font-size:calc(12.5px*var(--fs));color:var(--ask);text-decoration:none}
.link:hover{text-decoration:underline}
.btn{font-family:var(--sans);font-size:calc(14px*var(--fs));font-weight:600;background:var(--ask);color:var(--on-ask);
  border:1px solid var(--ask);border-radius:var(--r);padding:11px 16px;cursor:pointer;width:100%;
  display:flex;align-items:center;justify-content:center;gap:9px;
  transition:background .16s,transform .1s var(--ease)}
.btn:hover{background:var(--ask-hi);border-color:var(--ask-hi)}
.btn:active{transform:scale(.985)}
.btn[disabled]{opacity:.75;cursor:default}
.spin{width:14px;height:14px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  border-radius:50%;animation:spin .7s linear infinite;display:none}
.btn.busy .spin{display:block}
@keyframes spin{to{transform:rotate(360deg)}}
.demo{margin-top:14px;padding:10px 12px;background:var(--cut-wash);border-radius:var(--r);
  font-size:calc(12px*var(--fs));color:var(--cut);line-height:1.5}
.err{margin-top:12px;font-size:calc(12.5px*var(--fs));color:var(--ask);display:none}
.err.on{display:block}

.foot{grid-column:1/-1;text-align:center;font-size:calc(11.5px*var(--fs));color:var(--fg-3);padding-top:6px}
.tog{display:flex;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;flex-shrink:0}
.tog button{font-family:var(--sans);font-size:calc(11.5px*var(--fs));font-weight:500;background:var(--panel);
  color:var(--fg-3);border:0;padding:6px 11px;cursor:pointer;transition:background .16s,color .16s}
.tog button[aria-pressed="true"]{background:var(--ask);color:var(--on-ask)}
.tog button:not(:last-child){border-inline-end:1px solid var(--line)}
.topbar{grid-column:1/-1;display:flex;justify-content:flex-end;gap:8px;margin-bottom:-8px}
button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--ask);outline-offset:2px}
::selection{background:var(--ask);color:var(--on-ask)}

/* Arabic is cursive. IBM Plex Mono carries no Arabic glyphs, and letter
   spacing breaks the joins, so in Arabic these labels drop both. */
html[dir="rtl"] .stage-note,
html[dir="rtl"] .field label{font-family:var(--sans);letter-spacing:normal}

@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}

/* ── text size control (its own chrome never scales) ── */
.tog.fs button{font-family:var(--sans);font-weight:600;padding-inline:9px;line-height:1}
.tog.fs button:nth-child(1){font-size:10px}
.tog.fs button:nth-child(2){font-size:12.5px}
.tog.fs button:nth-child(3){font-size:15px}
.tog.fs button:nth-child(4){font-size:17.5px}

h1,h2,h3{font-family:var(--display);letter-spacing:0}
.lcard b,.card h2{font-family:var(--display)}