@font-face{font-family:Bidad;src:url(fonts/bidad-300.woff2) format('woff2');font-weight:300;font-display:swap}@font-face{font-family:Bidad;src:url(fonts/bidad-600.woff2) format('woff2');font-weight:600;font-display:swap}@font-face{font-family:Bidad;src:url(fonts/bidad-900.woff2) format('woff2');font-weight:900;font-display:swap}@font-face{font-family:'Roboto Serif';src:url(fonts/roboto-serif-var.woff2) format('woff2');font-weight:400 700;font-display:swap}
:root{--bg:#F4F5F4;--b:#0041FC;--bd:#002ECF;--mut:#404040;--hl:#D5D7D8;--r2:10px;--r3:16px;--r4:25px;--e:cubic-bezier(.2,.8,.2,1)}
*{box-sizing:border-box;margin:0}html{background:var(--bg)}body{min-height:100vh;color:#000;font:300 18px/1.9 'Roboto Serif',Bidad,sans-serif;position:relative;overflow-x:hidden}
.bg{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}.bg i{position:absolute;left:0;top:0;width:52vmax;height:52vmax;margin:-26vmax 0 0 -26vmax;background:radial-gradient(closest-side,rgba(0,65,252,.5),rgba(0,65,252,.18) 55%,transparent);filter:blur(60px);will-change:transform}
a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--b);outline-offset:3px}
.hd{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:24px clamp(20px,5vw,72px);direction:ltr}.brand{font:300 clamp(20px,2.4vw,30px)/1 'Roboto Serif',sans-serif;color:var(--b);letter-spacing:-.01em}.brand b{font-weight:800}
.rt{display:flex;align-items:center;gap:clamp(14px,2.5vw,36px)}[dir=rtl] .rt{flex-direction:row-reverse}.hd nav{display:flex;gap:clamp(14px,2.5vw,32px);font-size:17px;font-weight:600}[dir=rtl] .hd nav{flex-direction:row-reverse}.hd nav a{padding:10px 0;background:linear-gradient(var(--b),var(--b)) no-repeat left bottom/0 2px;transition:background-size .25s var(--e)}.hd nav a:hover{background-size:100% 2px}
.lang{display:flex;border:1px solid var(--b);border-radius:var(--r2);overflow:hidden}.lang button{font:600 14px 'Roboto Serif',sans-serif;min-width:44px;min-height:40px;border:0;background:none;color:var(--b);cursor:pointer;transition:background .2s,color .2s}.lang button[aria-pressed=true]{background:var(--b);color:var(--bg)}
main{position:relative;z-index:1}.cs{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,64px);align-items:center;padding:8px clamp(20px,5vw,72px) 56px;min-height:calc(100vh - 110px)}
h1{color:var(--b);font:900 clamp(64px,9vw,148px)/1.25 Bidad,'Roboto Serif',sans-serif}[lang=en] h1{font:800 clamp(48px,7vw,104px)/1.05 'Roboto Serif',sans-serif;letter-spacing:-.03em}
h2{font-weight:600;font-size:clamp(26px,2.8vw,40px);line-height:1.5;margin:12px 0 18px}.lead{color:var(--mut);font-size:clamp(17px,1.5vw,21px);max-width:520px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 40px;margin:28px 0 36px;background:var(--b);color:var(--bg);border:0;border-radius:var(--r2);font:600 18px Bidad,'Roboto Serif',sans-serif;cursor:pointer;transition:background .25s var(--e),transform .25s var(--e),box-shadow .25s var(--e)}.btn:hover{background:var(--bd);box-shadow:0 6px 18px rgba(0,65,252,.3);transform:translateY(-1px)}.btn:active{transform:none;box-shadow:none}
.feat{display:flex;list-style:none;padding:0;max-width:560px}.feat li{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;font-size:15px;line-height:1.6;padding:0 10px;border-inline-start:1px solid var(--hl)}.feat li:first-child{border:0}.feat svg{width:34px;height:34px;stroke:var(--b);fill:none;stroke-width:1.6}
.orbit{position:relative;width:min(100%,640px);aspect-ratio:1;margin-inline:auto}.ring{position:absolute;left:50%;top:50%;border:1px solid var(--hl);border-radius:50%;transform:translate(-50%,-50%)}.r1{width:60%;height:60%;border-color:#8BD7F8}.r2{width:82%;height:82%;border-style:dashed}
.dot{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--b);transform:translate(-50%,-50%)}
.hub{position:absolute;left:50%;top:50%;width:36%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:var(--bg);border:1px solid #8BD7F8;box-shadow:0 0 0 10px rgba(139,215,248,.25);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center;padding:6%}.hub img{width:46%}.hub b{font-weight:600;font-size:clamp(13px,1.6vw,20px);line-height:1.4}.hub small{font-size:clamp(12px,1.1vw,14px);color:var(--mut);line-height:1.5}
.node{position:absolute;transform:translate(-50%,-50%);width:26%;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;background:none;border:0;font:inherit;color:inherit;cursor:pointer;padding:8px;border-radius:var(--r3);transition:background .25s var(--e),box-shadow .25s var(--e),transform .25s var(--e)}
.node:hover,.node:focus-visible{background:rgba(244,245,244,.92);box-shadow:0 10px 28px rgba(0,65,252,.16);transform:translate(-50%,-50%) scale(1.05)}.node img{height:clamp(34px,5vw,58px);max-width:100%;object-fit:contain}.node .t{font:600 15px/1.4 Bidad,'Roboto Serif',sans-serif}.node .d{font-size:14px;color:var(--mut);line-height:1.5}.node .w{font:600 15px 'Roboto Serif',sans-serif;color:var(--b)}
dialog{border:0;border-radius:var(--r4);padding:32px;width:min(460px,92vw);background:var(--bg);color:#000;margin:auto;box-shadow:0 24px 70px rgba(0,0,0,.28)}dialog::backdrop{background:rgba(0,0,0,.35);backdrop-filter:blur(4px)}dialog img{height:56px;max-width:60%;object-fit:contain;margin-bottom:12px}dialog h3{font-size:24px;font-weight:600;line-height:1.5}dialog p{margin-top:10px;font-size:17px}dialog .sn{color:var(--b);font-weight:600}dialog .btn{margin:20px 0 0;min-height:46px;padding:0 28px;font-size:16px}
.pg{max-width:960px;margin:0 auto;padding:24px 24px 80px}.pg h1{font-size:clamp(48px,7vw,96px)}[lang=en] .pg h1{font-size:clamp(40px,6vw,80px)}.pg p{font-size:19px;margin-top:20px}.pg .btn{margin:32px 0 0}
.fm{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.fm label{display:flex;flex-direction:column;gap:6px;font-size:15px}.fm .w{grid-column:1/-1}.fm input,.fm select,.fm textarea{font:inherit;padding:12px 14px;border:1px solid #808080;border-radius:var(--r2);background:var(--bg);color:#000}.fm .c{flex-direction:row;align-items:center;gap:10px}.fm .c input{width:auto}.fm .btn{margin:0;width:fit-content}
.ok{display:none;padding:16px 20px;border:1px solid var(--b);border-radius:var(--r2);color:var(--b)}.ok.show{display:block}.ft{position:relative;z-index:1;text-align:center;padding:20px;font:300 14px 'Roboto Serif';color:var(--mut)}
@media(max-width:960px){.cs{grid-template-columns:1fr;padding-bottom:40px}.txt{text-align:center}.lead{margin-inline:auto}.feat{margin-inline:auto}.node{width:24%;padding:4px}.node .t,.node .d{display:none}.node img{height:30px}.hub small{display:none}.fm{grid-template-columns:1fr}.hd nav{font-size:15px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.node[data-id=giraffe] img{height:clamp(54px,8vw,86px)}
@media(max-width:960px){.node[data-id=giraffe] img{height:46px}.hd{flex-wrap:wrap;row-gap:8px}.rt{width:100%;justify-content:space-between}.hd nav a{white-space:nowrap}.lang button{min-width:44px}.brand{font-size:22px}}

/* v2 revisions: no dots, hub in neomorphism, nodes placed by script, bigger mobile logos, popup contact icons */
.dot{display:none}.hub{border:0;box-shadow:-10px -10px 22px rgba(255,255,255,.95),10px 10px 26px rgba(0,0,0,.11);font:inherit;color:inherit;cursor:pointer;transition:box-shadow .3s var(--e),transform .3s var(--e)}.hub:hover,.hub:focus-visible{box-shadow:-6px -6px 14px rgba(255,255,255,.95),6px 6px 16px rgba(0,0,0,.12),inset 2px 2px 6px rgba(0,0,0,.05)}
.node{left:0;top:0;width:138px}.node:hover,.node:focus-visible{box-shadow:-5px -5px 12px rgba(255,255,255,.95),6px 6px 14px rgba(0,0,0,.10);background:var(--bg)}
.ics{display:flex;gap:10px;margin-top:18px}.ic{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--r2);background:var(--bg);color:var(--b);box-shadow:-3px -3px 7px rgba(255,255,255,.95),4px 4px 9px rgba(0,0,0,.10);transition:box-shadow .25s var(--e),transform .25s var(--e)}.ic:hover{box-shadow:-1px -1px 3px rgba(255,255,255,.95),2px 2px 4px rgba(0,0,0,.12);transform:translateY(1px)}.ic svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media(max-width:960px){.node{width:74px;padding:3px}.node img{height:46px;max-width:72px}.node[data-id=giraffe] img{height:60px}.node .w{font-size:14px}}

.r1{border:2px solid #8BD7F8}.r2{border:1.5px dashed rgba(0,65,252,.5)}
.orbit.cmp .d{display:none}.orbit.cmp .node{width:116px}
@media(max-width:960px){.node{width:70px}}
.orbit.tiny .t,.orbit.tiny .d{display:none}.orbit.tiny .node{padding:3px}.orbit.tiny .node img{height:46px;max-width:100%}.orbit.tiny .node[data-id=giraffe] img{height:58px}.orbit.tiny .node .w{font-size:14px}
.orbit.cmp .node{width:112px}

/* ===== v2: popups, buttons row, voice UI, mobile order, equal pictograms ===== */
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 36px}.cta .btn{margin:0}.btn.o{background:none;color:var(--b);box-shadow:inset 0 0 0 1.5px var(--b)}.btn.o:hover{background:rgba(0,65,252,.08);box-shadow:inset 0 0 0 1.5px var(--b)}
nav .lk,.hd nav button{font:inherit;font-size:17px;font-weight:600;background:linear-gradient(var(--b),var(--b)) no-repeat left bottom/0 2px;border:0;color:inherit;cursor:pointer;padding:10px 0;transition:background-size .25s var(--e)}.hd nav button:hover{background-size:100% 2px}
dialog{max-height:92vh;overflow:auto;position:relative}dialog .x{position:absolute;top:10px;inset-inline-end:14px;width:44px;height:44px;border:0;background:none;font-size:30px;line-height:1;cursor:pointer;color:var(--mut)}dialog .pl{display:flex;align-items:center;min-height:64px;margin-bottom:10px}dialog .pl img{margin:0}dialog .pl .w,.node .w{display:flex;align-items:center;justify-content:center;font:800 14px 'Roboto Serif',sans-serif;color:var(--b);border:1.5px solid var(--b);border-radius:var(--r2);letter-spacing:.06em}
#req,#msg{width:min(640px,94vw)}#req h3,#msg h3{margin:8px 0 14px;padding-inline-end:44px}.cinfo{display:none;margin-bottom:18px;padding-bottom:6px;border-bottom:1px solid var(--hl)}#req .fm{margin-top:12px}
.v{display:none}#msg[data-s=idle] .v-idle,#msg[data-s=rec] .v-rec,#msg[data-s=done] .v-done,#msg[data-s=nomic] .v-nomic,#msg[data-s=sent] .v-sent{display:block}#msg[data-s=idle] .v.v-idle,#msg[data-s=rec] .v.v-rec{display:block}#msg[data-s=nomic] .v-nomic0{display:none}
.hint{text-align:center;color:var(--mut);font-size:15px;margin-top:10px}.hint.v-rec,.hint.v-idle{display:none}#msg[data-s=idle] .hint.v-idle,#msg[data-s=rec] .hint.v-rec{display:block}
.mic{width:88px;height:88px;border-radius:50%;border:0;background:var(--b);color:var(--bg);display:flex;align-items:center;justify-content:center;margin:18px auto 6px;cursor:pointer;box-shadow:-5px -5px 12px rgba(255,255,255,.95),6px 6px 14px rgba(0,0,0,.14);transition:transform .2s var(--e)}.mic svg{width:38px;height:38px;stroke:currentColor;fill:none;stroke-width:1.8}.mic:active{transform:scale(.96)}.mic.rec{animation:pul 1.3s infinite}@keyframes pul{0%{box-shadow:0 0 0 0 rgba(0,65,252,.45)}100%{box-shadow:0 0 0 26px rgba(0,65,252,0)}}.tm{text-align:center;font:300 28px 'Roboto Serif',sans-serif;direction:ltr}
#aud{width:100%;margin:14px 0}.acts2{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}#msg textarea{width:100%;font:inherit;padding:12px;border:1px solid #808080;border-radius:var(--r2);background:var(--bg);margin:10px 0}#msg .btn{margin:0}
.ok{margin-top:12px}#msg .ok{display:none}#msg[data-s=sent] .ok{display:block}
.hd{padding-top:calc(24px + env(safe-area-inset-top,0px))}
.node img{object-fit:contain}.orbit.tiny .node img{object-fit:contain;max-width:none;height:auto}.orbit.tiny .node{padding:3px}.orbit.tiny .t,.orbit.tiny .d{display:none}.hub img{object-fit:contain}.orbit.tiny .hub img{width:36%}
@media(max-width:960px){.hd{padding-top:calc(34px + env(safe-area-inset-top,0px))}.cs{display:flex;flex-direction:column;align-items:stretch;gap:22px}.txt{display:contents}.hd2{order:1;text-align:center}.hd2 .lead{margin-inline:auto}.orbit{order:2;width:100%}.cta{order:3;justify-content:center;margin:6px 0 0}.feat{order:4;margin:6px auto 0;width:100%}.btn{padding:0 26px}}
.node img{height:clamp(34px,4.4vw,50px)}.node[data-id=rtg] img{height:clamp(40px,5vw,58px)}

/* ===== v2.1: English font = Roboto Serif (SIL OFL 1.1, see fonts/OFL-RobotoSerif.txt). Lausanne removed (no web licence).
   File roboto-serif-var.woff2 = Google Fonts variable Roboto Serif, Latin subset, Grade -50 and Width 100 fixed in the file,
   weight axis 400-700 and optical size axis 8-144 kept (optical size follows font size automatically).
   Weights from the owner's Google Fonts settings: H1 600, H2 500, text 400, buttons 500. Persian (Bidad) is unchanged. ===== */
body{font-optical-sizing:auto}
.brand{font-weight:400}.brand b{font-weight:700}.lang button{font-weight:500}
[lang=en] h1{font-weight:600;letter-spacing:-.01em}
[lang=en] h2{font-weight:500}
[lang=en] .btn,[lang=en] .node .t{font-family:'Roboto Serif',serif}
[lang=en] .btn{font-weight:500}
[lang=en] .hd nav a,[lang=en] .hd nav button{font-weight:400}
/* v2.1: Roboto Serif is wider than Lausanne; keep the three feature labels inside 320px screens */
.feat li{min-width:0;overflow-wrap:break-word}
@media(max-width:380px){.feat li{padding:0 6px;font-size:14px}}
/* v2.1: Roboto Serif sets wider than Lausanne; one px smaller orbit labels in English keep the same spacing between blocks as v2 */
[lang=en] .node .t{font-size:14px}[lang=en] .node .d{font-size:13px}

/* ===== v2.2 ===== */
/* 6. Persian header: «هلدینگ بهسرما» on the right, links and FA|EN on the left */
[dir=rtl] .hd{direction:rtl}[dir=rtl] .rt,[dir=rtl] .hd nav{flex-direction:row}
.brand .fa{display:none;font:900 clamp(20px,2.4vw,30px)/1 Bidad,sans-serif;letter-spacing:0}.brand .fa span{font-weight:600}
[lang=fa] .brand .fa{display:inline}[lang=fa] .brand .en{display:none}
.lang{direction:ltr}
/* 3. feature strip removed from the page; rule kept harmless */
/* 4–5. orbit motion: rings and disc rotate, the disc content stays upright */
.ring,.hub{will-change:transform}
.hub{transform:translate(-50%,-50%) rotate(var(--hr,0deg))}.hub .hubin{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:100%;height:100%;transform:rotate(calc(-1 * var(--hr,0deg)))}
.r1{transform:translate(-50%,-50%) rotate(var(--r1,0deg));border-color:transparent;background:conic-gradient(from 0deg,#8BD7F8 0 62%,rgba(139,215,248,.25) 62% 70%,#8BD7F8 70% 100%);-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#000 calc(100% - 2px));mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#000 calc(100% - 2px))}
.r2{transform:translate(-50%,-50%) rotate(var(--r2,0deg))}
.orbit.intro .node{transition:none}
@media(prefers-reduced-motion:reduce){.ring,.hub{transform:translate(-50%,-50%)!important}.hub .hubin{transform:none!important}}
/* voice assistant states */
#msg[data-s=proc] .v-proc,#msg[data-s=ai] .v-ai,#msg[data-s=final] .v-final{display:block}
#msg[data-s=rec] .who,#msg[data-s=rec] .hint.v-idle{display:none}
.who{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:6px 0 4px}.who label{display:flex;flex-direction:column;gap:6px;font-size:15px}.who input{font:inherit;padding:11px 14px;border:1px solid #808080;border-radius:var(--r2);background:var(--bg);color:#000}
@media(max-width:560px){.who{grid-template-columns:1fr}}
.live{min-height:3.2em;margin:12px 0 0;padding:12px 14px;border:1px dashed var(--hl);border-radius:var(--r2);font-size:16px;line-height:1.9;color:#000;text-align:start}
.live:empty{display:none}
.spin{display:block;width:44px;height:44px;margin:26px auto 10px;border-radius:50%;border:3px solid var(--hl);border-top-color:var(--b);animation:spn 1s linear infinite}@keyframes spn{to{transform:rotate(360deg)}}
.clean{margin-top:8px;padding:12px 14px;border:1px solid var(--hl);border-radius:var(--r2);font-size:15px}.clean b{display:block;color:var(--mut);font-weight:600;font-size:13px;margin-bottom:4px}.clean p{margin:0;font-size:16px;line-height:1.9}
.reply{margin-top:14px;font-size:16px}.reply p{margin:0 0 8px}.reply .q{color:var(--b);font-weight:600}.reply .sbus{margin:6px 0 10px;padding-inline-start:1.2em;line-height:1.9}
#msg .acts2{margin-top:14px}#msg .v-final .ok{margin-top:8px}