:root{color-scheme:light;--navy:#23246b;--navy-d:#171850;--red:#d6334a;--yellow:#f4d71a;--ink:#1b1c33;--muted:#62667f;--line:#dfe1ec;--bg:#f5f6fb;--card:#fff;--ok:#1d7a4d;--r:8px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Vazirmatn,Tahoma,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.9;font-size:15px}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration:none}a:hover{color:var(--red)}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.wrap{width:min(1200px,100% - 32px);margin-inline:auto}
h1,h2,h3{line-height:1.5;margin:0 0 .5em;color:var(--navy-d)}
h1{font-size:1.7rem}h2{font-size:1.3rem}h3{font-size:1.05rem}
.muted{color:var(--muted)}.small{font-size:.85rem}
/* header */
.topbar{background:var(--navy-d);color:#fff;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:6px 0}
.topbar a{color:#fff}.topbar span{margin-inline-end:16px}
.site-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.site-head::after{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--red) 0 33%,var(--yellow) 33% 66%,var(--navy) 66%)}
.head-row{display:flex;align-items:center;gap:18px;padding:10px 0}
.logo img{height:54px;width:auto}
.search{flex:1;display:flex;max-width:460px}
.search input{flex:1;border:1px solid var(--line);border-inline-end:0;border-radius:var(--r) 0 0 var(--r);padding:9px 12px;font:inherit}
.search button{border:0;background:var(--navy);color:#fff;padding:0 16px;border-radius:0 var(--r) var(--r) 0;cursor:pointer;font:inherit}
.head-actions{display:flex;gap:8px;margin-inline-start:auto;align-items:center}
.nav{display:flex;gap:4px;padding:0 0 8px;flex-wrap:wrap}
.nav a{padding:6px 12px;border-radius:var(--r);color:var(--ink);font-weight:600;font-size:.92rem}
.nav a:hover,.nav a.on{background:var(--navy);color:#fff}
.menu-btn{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--navy);background:var(--navy);color:#fff;padding:8px 16px;border-radius:var(--r);font:inherit;font-weight:700;cursor:pointer;text-align:center}
.btn:hover{background:var(--navy-d);color:#fff}
.btn.red{background:var(--red);border-color:var(--red)}.btn.red:hover{background:#b5233a}
.btn.yellow{background:var(--yellow);border-color:var(--yellow);color:var(--navy-d)}.btn.yellow:hover{background:#e3c600;color:var(--navy-d)}
.btn.ghost{background:#fff;color:var(--navy)}.btn.ghost:hover{background:var(--bg);color:var(--navy)}
.btn.sm{padding:4px 10px;font-size:.85rem}.btn.block{display:flex;width:100%}
.badge-n{background:var(--red);color:#fff;border-radius:99px;padding:0 7px;font-size:.75rem;margin-inline-start:4px}
/* flash */
.flash{margin:14px 0;padding:10px 14px;border-radius:var(--r);border:1px solid var(--line);background:#fff}
.flash.ok{border-color:#a9dcc2;background:#eefaf3}.flash.error{border-color:#f0b4bd;background:#fdf0f2}
/* hero */
.hero{background:var(--navy-d);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;opacity:.18;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='160'%3E%3Cg fill='none' stroke='%23fff' stroke-width='2'%3E%3Cpath d='M0 40h60l20 20h70M40 160v-50l30-30h90l20-20h40M200 0v50'/%3E%3Ccircle cx='60' cy='40' r='5'/%3E%3Ccircle cx='150' cy='60' r='5'/%3E%3Ccircle cx='200' cy='50' r='5'/%3E%3C/g%3E%3C/svg%3E")}
.slides{position:relative}
.slide{display:none;position:relative;min-height:340px;padding:48px 0}
.slide.on{display:block}
.slide .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.slide h1{color:#fff;font-size:2.1rem}.slide p{font-size:1.1rem;color:#d9dcf5;margin:0 0 20px}
.slide img{border-radius:var(--r);max-height:320px;margin-inline:auto;object-fit:contain}
.slider-ctl{position:absolute;bottom:12px;inset-inline:0;display:flex;justify-content:center;gap:8px}
.slider-ctl button{width:11px;height:11px;border-radius:50%;border:0;background:#ffffff66;cursor:pointer;padding:0}
.slider-ctl button.on{background:var(--yellow)}
/* sections */
.section{padding:36px 0}
.sec-title{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.sec-title h2{margin:0;white-space:nowrap}
.sec-title::after{content:"";flex:1;height:2px;background:var(--line);position:relative;min-width:30px}
.sec-title .more{order:3;font-size:.9rem;white-space:nowrap}
.sec-title::before{content:"";width:12px;height:12px;border:3px solid var(--red);border-radius:50%;background:#fff;flex:none}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r)}
.pad{padding:18px}
.pcard{display:flex;flex-direction:column;overflow:hidden;transition:border-color .15s}
.pcard:hover{border-color:var(--navy)}
.pcard .ph{aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}
.pcard .ph img{width:100%;height:100%;object-fit:contain}
.noimg{color:var(--line);font-size:2.4rem}
.pcard .body{padding:12px;display:flex;flex-direction:column;gap:6px;flex:1}
.pcard .name{font-weight:700;font-size:.92rem;line-height:1.7;color:var(--ink);min-height:3.4em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard .meta{font-size:.78rem;color:var(--muted)}
.price{font-weight:800;color:var(--navy-d);font-size:1.02rem}
.price small{font-weight:500;color:var(--muted)}
.tag{display:inline-block;padding:1px 9px;border-radius:99px;font-size:.76rem;font-weight:700;background:#eceefb;color:var(--navy)}
.tag.red{background:#fde6ea;color:var(--red)}.tag.ok{background:#e4f6ec;color:var(--ok)}.tag.warn{background:#fff6d1;color:#7a6500}
.wcard{overflow:hidden;display:block;color:var(--ink)}
.wcard .ph{aspect-ratio:4/3;background:#e9ebf5}.wcard .ph img{width:100%;height:100%;object-fit:cover}
.wcard .body{padding:12px}.wcard h3{margin:0 0 4px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.stat{padding:16px;text-align:center;border-top:3px solid var(--yellow)}
.stat b{display:block;font-size:1.8rem;color:var(--navy-d)}
.clients{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:center}
.clients img{height:56px;width:auto;filter:grayscale(1);opacity:.75}.clients img:hover{filter:none;opacity:1}
.intro{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.video{aspect-ratio:16/9;width:100%;border:0;border-radius:var(--r);background:#000}
/* shop */
.shop-layout{display:grid;grid-template-columns:250px 1fr;gap:22px;align-items:start;padding:24px 0}
.side{padding:14px}.side h3{margin-top:0}
.side ul{list-style:none;margin:0 0 14px;padding:0}.side li a{display:flex;justify-content:space-between;padding:5px 8px;border-radius:6px;color:var(--ink)}
.side li a:hover,.side li a.on{background:var(--navy);color:#fff}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
label.f{display:block;font-size:.85rem;font-weight:700;margin:10px 0 4px;color:var(--navy-d)}
input,select,textarea{width:100%;min-height:42px;padding:9px 11px;border:1px solid #b9bdd3;border-radius:var(--r);font:inherit;background:#fff!important;color:#1b1c33!important;-webkit-text-fill-color:#1b1c33;caret-color:#1b1c33;-webkit-appearance:none;appearance:none}
select{background-image:linear-gradient(45deg,transparent 50%,#62667f 50%),linear-gradient(135deg,#62667f 50%,transparent 50%);background-position:14px 55%,19px 55%;background-size:5px 5px;background-repeat:no-repeat;padding-inline-start:30px}
input::placeholder,textarea::placeholder{color:#7d8197;-webkit-text-fill-color:#7d8197}
input:disabled,select:disabled,textarea:disabled{background:#eef0f6!important;-webkit-text-fill-color:#4a4e66}
input[type=file]{padding:8px}
input[type=checkbox],input[type=radio]{-webkit-appearance:auto;appearance:auto;min-height:0;width:18px;height:18px;accent-color:var(--navy)}
textarea{min-height:110px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sentinel{text-align:center;padding:20px;color:var(--muted)}
.gallery .main{aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center}
.gallery img{width:100%;height:100%;object-fit:contain}
.product-layout{display:grid;grid-template-columns:420px 1fr;gap:28px;padding:24px 0}
.crumbs{font-size:.85rem;color:var(--muted);padding:14px 0 0}
.prose{max-width:75ch}.prose p{margin:0 0 1em}.prose h2{margin-top:1.4em}.prose img{border-radius:var(--r)}
table.t{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
table.t th,table.t td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:right;font-size:.9rem;vertical-align:top}
table.t th{background:#eef0fa;color:var(--navy-d)}
.tablewrap{overflow-x:auto}
.timeline{list-style:none;margin:0;padding:0;border-inline-start:3px solid var(--line)}
.timeline li{position:relative;padding:0 18px 16px 0}
.timeline li::before{content:"";position:absolute;inset-inline-start:-10px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--navy);border:3px solid #fff}
.timeline li:last-child::before{background:var(--red)}
.carddisp{border:1px dashed var(--navy);padding:12px;border-radius:var(--r);background:#f7f8ff;margin-bottom:10px}
.carddisp .num{font-size:1.15rem;font-weight:800;letter-spacing:1px;direction:ltr;text-align:right}
.auth{max-width:460px;margin:32px auto}
/* footer */
.site-foot{background:var(--navy-d);color:#cfd2ef;margin-top:40px;padding:34px 0 16px}
.site-foot a{color:#fff}.site-foot h3{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.socials{display:flex;gap:8px;flex-wrap:wrap}.socials a{border:1px solid #ffffff55;padding:2px 12px;border-radius:99px;font-size:.85rem}
.copy{border-top:1px solid #ffffff22;margin-top:22px;padding-top:12px;font-size:.82rem}
/* chat */
.chat-fab{position:fixed;inset-inline-start:18px;bottom:18px;z-index:50;background:var(--red);color:#fff;border:0;border-radius:99px;padding:12px 18px;font:inherit;font-weight:800;cursor:pointer;box-shadow:0 6px 20px #0003}
.chat{position:fixed;inset-inline-start:18px;bottom:76px;width:min(360px,100% - 36px);height:min(520px,70vh);background:#fff;border:1px solid var(--line);border-radius:12px;display:none;flex-direction:column;z-index:50;box-shadow:0 10px 40px #0003;overflow:hidden}
.chat.open{display:flex}
.chat header{background:var(--navy);color:#fff;padding:10px 14px;display:flex;justify-content:space-between;align-items:center}
.chat header button{background:none;border:0;color:#fff;font-size:1.2rem;cursor:pointer}
.chat .msgs{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px;background:var(--bg)}
.msg{max-width:88%;padding:8px 12px;border-radius:12px;font-size:.9rem;white-space:pre-wrap}
.msg.bot{background:#fff;border:1px solid var(--line);align-self:flex-start}
.msg.me{background:var(--navy);color:#fff;align-self:flex-end}
.chat .chat-send{display:flex;gap:6px;padding:8px;border-top:1px solid var(--line)}
.chat .chat-send input{flex:1}
.chat-start{display:flex;gap:6px;padding:8px;border-top:1px solid var(--line);background:#f7f8ff}
.chat-start[hidden]{display:none}.chat-start input{flex:1;min-width:0}
.chat-links{display:flex;gap:6px;flex-wrap:wrap;padding:8px;border-bottom:1px solid var(--line)}.chat-links a{border:1px solid var(--navy);border-radius:99px;padding:1px 10px;font-size:.8rem}.chat-links:empty{display:none}
.msg.sys{background:#fff6d1;align-self:center;font-size:.8rem}
/* admin */
.adm{display:grid;grid-template-columns:230px 1fr;gap:0;min-height:100vh}
.adm-side{background:var(--navy-d);color:#fff;padding:16px 12px}
.adm-side a{display:block;color:#dfe1ff;padding:7px 10px;border-radius:6px}
.adm-side a:hover,.adm-side a.on{background:#ffffff1f;color:#fff}
.adm-side h4{margin:14px 10px 4px;color:#9aa0d6;font-size:.8rem}
.adm-main{padding:22px;min-width:0}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:20px}
.kpi{padding:14px;border-top:3px solid var(--red)}.kpi b{font-size:1.6rem;display:block;color:var(--navy-d)}
.actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.inline{display:inline}
.chk{display:flex;gap:8px;align-items:center;margin:8px 0}
.thumb-s{width:44px;height:44px;object-fit:cover;border-radius:6px;background:#eee}
.photos{display:flex;gap:8px;flex-wrap:wrap}.photos img{width:110px;height:110px;object-fit:cover;border-radius:var(--r);border:1px solid var(--line)}
@media(max-width:900px){
 .g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}
 .shop-layout,.product-layout,.intro,.slide .wrap,.foot-grid{grid-template-columns:1fr}
 .adm{grid-template-columns:1fr}.slide h1{font-size:1.5rem}
 .menu-btn{display:inline-flex}.nav{display:none;flex-direction:column}.nav.open{display:flex}
 .search{order:5;max-width:none;flex-basis:100%}.head-row{flex-wrap:wrap}
}
@media(max-width:520px){.g4,.g3,.g2,.row{grid-template-columns:1fr 1fr}.row{grid-template-columns:1fr}.pcard .name{font-size:.85rem}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ===== responsive v3 ===== */
.hrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:7px 0;border-bottom:1px solid var(--line)}
.hp{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
img,video,iframe,table{max-width:100%}
button,.btn,a{touch-action:manipulation}
.btn{min-height:40px}.btn.sm{min-height:34px}
.adm-top,.adm-overlay,.filter-toggle{display:none}
.adm-search{display:flex;gap:4px;margin:6px 4px 10px}
.adm-search input{min-height:36px;padding:6px 10px;border-radius:6px;font-size:.9rem}
.adm-search button{border:0;border-radius:6px;background:#ffffff26;color:#fff;padding:0 12px;cursor:pointer;font:inherit}
.adm-side a.on{background:#ffffff33;color:#fff}
.chat-fab{max-width:calc(100vw - 36px)}
.stack-label{display:none}
@media(max-width:900px){
  body{font-size:15px}
  .topbar .wrap>div:last-child{display:none}
  .site-head{position:static}
  .head-row{gap:10px;padding:8px 0}
  .logo img{height:44px}
  .head-actions{gap:6px;flex-wrap:wrap}
  .nav{border-top:1px solid var(--line);padding:6px 0}
  .nav a{padding:11px 12px;border-bottom:1px solid #eef0f6;border-radius:0}
  .slide{padding:26px 0;min-height:0}.slide h1,.slide h2{font-size:1.45rem!important}
  .slide img{max-height:200px}
  .section{padding:24px 0}
  h1{font-size:1.4rem}
  .filter-toggle{display:flex;width:100%;margin-bottom:10px}
  .shop-layout{padding:14px 0;gap:12px}
  .side{display:none}.side.open{display:block}
  .gallery{max-width:420px;margin-inline:auto}
  .product-layout{gap:16px;padding:14px 0}
  .actions>.btn{flex:1 1 auto}
  .sec-title{flex-wrap:wrap}.sec-title h2{white-space:normal}
  /* admin: off-canvas menu */
  .adm{display:block}
  .adm-top{display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:40;background:var(--navy-d);color:#fff;padding:8px 12px;margin:-14px -14px 14px}
  .adm-top strong{flex:1}.adm-top a{color:#fff}
  .adm-top button{background:#ffffff26;border:0;color:#fff;border-radius:8px;min-width:44px;min-height:40px;font-size:1.3rem;cursor:pointer}
  .adm-side{position:fixed;top:0;bottom:0;right:0;width:min(310px,86vw);transform:translateX(105%);transition:transform .22s;z-index:70;overflow-y:auto;-webkit-overflow-scrolling:touch}
  .adm.nav-open .adm-side{transform:none}
  .adm-overlay{display:block;position:fixed;inset:0;background:#0007;z-index:65;opacity:0;pointer-events:none;transition:opacity .2s}
  .adm.nav-open .adm-overlay{opacity:1;pointer-events:auto}
  .adm-side a{padding:11px 12px;font-size:1rem}
  .adm-main{padding:14px}
  .toolbar>*{max-width:none!important;flex:1 1 140px}
  .kpis{grid-template-columns:1fr 1fr}
  .adm-main div[style*="repeat(3"]{grid-template-columns:1fr!important}
  /* tables become stacked cards */
  table.t.stack{border:0;background:transparent}
  table.t.stack thead{display:none}
  table.t.stack,table.t.stack tbody,table.t.stack tr,table.t.stack td{display:block;width:100%}
  table.t.stack tr{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:4px 0}
  table.t.stack td{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;border:0;border-bottom:1px dashed #e6e8f2;padding:7px 12px;text-align:left}
  table.t.stack td:last-child{border-bottom:0}
  table.t.stack td::before{content:attr(data-label);font-weight:700;color:var(--navy-d);text-align:right;flex:0 0 38%}
  table.t.stack td[data-label=""]::before{display:none}
  table.t.stack td>*{text-align:left}
  .invoice-doc table.t.stack{font-size:.85rem}
}
@media(max-width:600px){
  .row{grid-template-columns:1fr}
  .g4,.g3{grid-template-columns:1fr 1fr;gap:10px}
  .g2{grid-template-columns:1fr}
  input,select,textarea{font-size:16px}
  .pcard .body{padding:9px;gap:5px}.pcard .name{font-size:.85rem;min-height:0}
  .head-row .search{order:5;flex-basis:100%;max-width:none}
  .stats{grid-template-columns:1fr 1fr}
  .auth{margin:16px auto}
  .chat{inset-inline:8px;width:auto;bottom:70px;height:min(78vh,560px)}
  .chat-fab{inset-inline-start:10px;bottom:10px;padding:10px 14px;font-size:.9rem}
  body{padding-bottom:64px}
  .foot-grid{gap:16px}
  .kpis{grid-template-columns:1fr}
}
@media(max-width:380px){.g4,.g3{grid-template-columns:1fr}}
@media print{
  .topbar,.site-head,.site-foot,.chat-fab,.chat,.no-print,.flash,.adm-side,.adm-top,.adm-overlay{display:none!important}
  .adm{display:block}.adm-main{padding:0}
  body{background:#fff;padding:0;font-size:12px}
  .card{border:0}.wrap{width:100%}
  table.t th{background:#eee!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
}