/* ---------- hero ---------- */
.chero{position:relative;margin:14px 0 0;overflow:hidden}
.chero .wrap{position:relative;z-index:2}
.chero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(20px,4vw,56px);align-items:center;
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-2) 55%,#0D4A68 100%);
  border-radius:var(--r-l);padding:clamp(26px,4.5vw,54px);position:relative;overflow:hidden}
.chero-glow{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;pointer-events:none}
.chero-glow.g1{width:340px;height:340px;background:radial-gradient(circle,rgba(15,166,142,.55),transparent 70%);top:-120px;inset-inline-start:-60px;animation:cgl 9s ease-in-out infinite alternate}
.chero-glow.g2{width:300px;height:300px;background:radial-gradient(circle,rgba(255,59,78,.35),transparent 70%);bottom:-140px;inset-inline-end:8%;animation:cgl 11s ease-in-out infinite alternate-reverse}
.chero-glow.g3{width:260px;height:260px;background:radial-gradient(circle,rgba(64,180,229,.4),transparent 70%);top:10%;inset-inline-end:-80px}
@keyframes cgl{to{transform:translate(30px,18px) scale(1.12)}}
.chero-glow{z-index:1}
.chero-tx{position:relative;z-index:2}
.ckick{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:#7FD6C6;background:rgba(15,166,142,.14);border:1px solid rgba(15,166,142,.35);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.ckick::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal)}
.chero h1{font-family:'Estedad';font-weight:900;color:#fff;font-size:clamp(30px,4.6vw,52px);line-height:1.35}
.chekg{height:44px;margin:4px 0 6px;opacity:.9}
.chekg svg{width:min(420px,100%);height:100%}
.chekg path{fill:none;stroke:var(--pulse);stroke-width:2.4;stroke-linecap:round;filter:drop-shadow(0 0 6px rgba(255,59,78,.5))}
.chero p{color:#AFD2E1;font-size:14px;line-height:2.1;max-width:52ch}
.chstats{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cst{display:flex;align-items:baseline;gap:7px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:10px 16px;color:#CFE4EE;font-size:12px;font-weight:600}
.cst b{font-family:'JBMono';font-size:16px;color:#fff;direction:ltr;unicode-bidi:isolate}
.cst b small{font-size:10px;color:#8FB9CE}
.chero-vis{position:relative;z-index:2;height:clamp(230px,26vw,330px)}
.cpol{position:absolute;background:#fff;border-radius:20px;padding:12px;box-shadow:0 24px 60px rgba(2,16,24,.5);transition:transform .35s ease}
.cpol img{width:100%;height:100%;object-fit:contain;border-radius:10px}
.cpol.p1{width:52%;aspect-ratio:1;top:6%;inset-inline-start:4%;transform:rotate(-4deg);z-index:3;animation:cfloat 7s ease-in-out infinite}
.cpol.p2{width:42%;aspect-ratio:1;top:0;inset-inline-end:2%;transform:rotate(5deg);z-index:2;animation:cfloat 8s .8s ease-in-out infinite}
.cpol.p3{width:38%;aspect-ratio:1;bottom:0;inset-inline-start:34%;transform:rotate(-2deg);z-index:4;animation:cfloat 9s .4s ease-in-out infinite}
@keyframes cfloat{50%{translate:0 -10px}}
.cpol::after{content:'';position:absolute;inset:-7px;border-radius:24px;border:1.5px solid rgba(255,59,78,.35);opacity:0;animation:ping 3.4s ease-out infinite}
.cpol.p2::after{animation-delay:1.2s}
.cpol.p3::after{animation-delay:2.2s}

/* ---------- subcat / sibling rail ---------- */
.csubs{margin-top:22px}
.csubs-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(168px,196px);gap:14px;overflow-x:auto;padding-block:4px 10px;scroll-snap-type:x proximity;scrollbar-width:none}
.csubs-rail::-webkit-scrollbar{display:none}
.csub{scroll-snap-align:start;display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:14px;transition:border-color .25s,box-shadow .25s,transform .2s}
.csub:hover{border-color:var(--petrol);box-shadow:var(--shadow-m);transform:translateY(-3px)}
.csub .im{height:92px;background:#fff;border-radius:12px;display:grid;place-items:center;padding:8px;overflow:hidden}
.csub .im img{width:100%;height:100%;object-fit:contain}
.csub .tt{font-size:13px;font-weight:800;line-height:1.6}
.csub .ct{font-size:11px;color:var(--txt2);display:flex;align-items:center;gap:5px}
.csub .ct b{font-family:'JBMono';color:var(--petrol)}
.csub.on{border-color:var(--pulse);box-shadow:0 0 0 3px rgba(255,59,78,.12)}
.csub.on .tt{color:var(--pulse-deep)}

/* ---------- monitor bar ---------- */
.cmon{position:sticky;top:var(--hdh,150px);z-index:40;background:rgba(243,247,249,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-block:1px solid var(--line);margin-top:18px}
.cmon-in{display:flex;align-items:center;gap:14px;padding-block:10px;min-height:62px}
.cread{display:flex;align-items:center;gap:10px;background:var(--ink);border-radius:14px;padding:9px 16px;color:#fff;flex-shrink:0}
.cdot{width:9px;height:9px;border-radius:50%;background:var(--pulse);box-shadow:0 0 10px var(--pulse);animation:beat 1.6s ease-in-out infinite}
.cekg{width:64px;height:26px;overflow:visible}
.cekg path{fill:none;stroke:var(--pulse);stroke-width:2;stroke-linecap:round}
.cread b{font-family:'JBMono';font-size:19px;line-height:1;direction:ltr}
.cread b.blip{animation:cblip .45s ease}
@keyframes cblip{30%{transform:scale(1.28);color:#FF8B96}}
.cread .clbl{font-size:11px;color:#9FC6D8;font-weight:600}
.cchips{display:flex;align-items:center;gap:8px;flex:1;overflow-x:auto;scrollbar-width:none;padding-block:2px}
.cchips::-webkit-scrollbar{display:none}
.cchip{display:inline-flex;align-items:center;gap:7px;background:var(--petrol-soft);border:1px solid #CBE2EE;color:var(--petrol);font-size:12px;font-weight:700;border-radius:999px;padding:7px 8px 7px 13px;white-space:nowrap;transition:background .2s}
.cchip .x{width:17px;height:17px;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:11px;line-height:1;color:var(--pulse-deep)}
.cchip:hover{background:#DBEDF6}
.cchip.clr{background:#FFF0F1;border-color:#FFD3D8;color:var(--pulse-deep);padding-inline:13px}
.cfbtn{display:none;align-items:center;gap:8px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;border-radius:14px;padding:11px 16px;position:relative;flex-shrink:0}
.cfbtn svg{width:17px;height:17px}
.cfn{position:absolute;top:-7px;inset-inline-start:-7px;min-width:20px;height:20px;border-radius:999px;background:var(--pulse);color:#fff;font-size:11px;font-weight:800;display:grid;place-items:center;padding-inline:5px}
.cfn[hidden]{display:none}

/* custom sort dropdown */
.cdd{position:relative;flex-shrink:0}
.cdd-b{display:flex;align-items:center;gap:9px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:11px 16px;font-size:13px;font-weight:700;transition:border-color .2s}
.cdd-b:hover{border-color:var(--petrol)}
.cdd-b svg{width:15px;height:15px;transition:transform .25s;color:var(--txt2)}
.cdd.open .cdd-b svg{transform:rotate(180deg)}
.cdd-p{position:absolute;top:calc(100% + 8px);inset-inline-end:0;min-width:190px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-m);padding:7px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s,transform .2s,visibility .2s;z-index:50}
.cdd.open .cdd-p{opacity:1;visibility:visible;transform:none}
.cdd-p button{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:start;font-size:13px;font-weight:600;padding:11px 13px;border-radius:11px;transition:background .15s}
.cdd-p button:hover{background:var(--petrol-soft)}
.cdd-p button.on{color:var(--pulse-deep);font-weight:800;background:#FFF0F1}

/* ---------- layout ---------- */
.clay{display:grid;grid-template-columns:278px 1fr;gap:26px;align-items:start;margin-top:22px}
.cbody{min-width:0}

/* ---------- filter rail ---------- */
.crail{position:sticky;top:calc(var(--hdh,150px) + 76px);display:flex;flex-direction:column;gap:14px;max-height:calc(100vh - var(--hdh,150px) - 92px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding-bottom:8px}
.cgrp{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:16px}
.cgrp>h4{font-size:12.5px;font-weight:800;color:var(--txt);display:flex;align-items:center;gap:8px;margin-bottom:13px}
.cgrp>h4::before{content:'';width:5px;height:16px;border-radius:3px;background:var(--pulse)}
.cgrp>h4 .hint{font-size:10.5px;color:var(--txt2);font-weight:600;margin-inline-start:auto}
/* presets */
.cpre{display:grid;gap:8px}
.cpre button{display:flex;flex-direction:column;gap:3px;text-align:start;border:1.5px solid var(--line);border-radius:13px;padding:11px 13px;transition:border-color .2s,background .2s}
.cpre button:hover{border-color:var(--petrol);background:var(--petrol-soft)}
.cpre button.on{border-color:var(--pulse);background:#FFF4F5}
.cpre .t{font-size:13px;font-weight:800;display:flex;align-items:center;gap:7px}
.cpre .t .n{margin-inline-start:auto;font-family:'JBMono';font-size:11.5px;color:var(--petrol);direction:ltr}
.cpre button.on .t{color:var(--pulse-deep)}
.cpre .d{font-size:11px;color:var(--txt2)}
/* option chips (type/brand) */
.copt{display:flex;flex-wrap:wrap;gap:8px}
.copt button{display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--line);border-radius:999px;padding:8px 13px;font-size:12.5px;font-weight:700;transition:border-color .2s,background .2s,color .2s}
.copt button:hover{border-color:var(--petrol)}
.copt button.on{border-color:var(--pulse);background:var(--pulse);color:#fff}
.copt button .n{font-family:'JBMono';font-size:10.5px;color:var(--txt2);direction:ltr}
.copt button.on .n{color:#FFD3D8}
.copt button:disabled{opacity:.35;cursor:not-allowed}
/* desktop: long facet lists (esp. برند) scroll inside their box instead of
   stretching the whole sidebar — keeps each filter compact & the scroll obvious.
   (≤1024 the rail moves into the mobile sheet, which scrolls as one — leave it.) */
@media (min-width:1025px){
  .copt{
    max-height:206px;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;padding-inline-end:6px;
    scrollbar-width:thin;scrollbar-color:#B9CCD8 transparent;
    /* scroll-state-aware fade: a soft edge appears only when more chips lie beyond
       that edge — so long lists (برند) read as scrollable, short ones (نوع) don't */
    background:
      linear-gradient(#fff 30%, rgba(255,255,255,0)) top / 100% 20px no-repeat,
      linear-gradient(rgba(255,255,255,0), #fff 72%) bottom / 100% 24px no-repeat,
      radial-gradient(farthest-side at 50% 0, rgba(7,41,58,.14), rgba(7,41,58,0)) top / 100% 9px no-repeat,
      radial-gradient(farthest-side at 50% 100%, rgba(7,41,58,.14), rgba(7,41,58,0)) bottom / 100% 9px no-repeat;
    background-attachment:local,local,scroll,scroll;
  }
  .copt::-webkit-scrollbar{width:8px}
  .copt::-webkit-scrollbar-track{background:transparent;margin-block:2px}
  .copt::-webkit-scrollbar-thumb{background:#B9CCD8;border-radius:999px;border:2px solid #fff}
  .copt:hover::-webkit-scrollbar-thumb{background:var(--petrol)}
}
/* toggles */
.ctgl{display:flex;align-items:center;gap:10px;width:100%;text-align:start;padding:4px 0;font-size:13px;font-weight:700}
.ctgl+.ctgl{margin-top:10px}
.ctgl .sw{width:40px;height:23px;border-radius:999px;background:#D9E4EA;position:relative;transition:background .25s;flex-shrink:0}
.ctgl .sw::after{content:'';position:absolute;top:3px;inset-inline-start:3px;width:17px;height:17px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(7,41,58,.3);transition:translate .25s}
.ctgl[aria-pressed="true"] .sw{background:var(--teal)}
.ctgl[aria-pressed="true"] .sw::after{translate:-17px 0}
.ctgl .n{margin-inline-start:auto;font-family:'JBMono';font-size:11px;color:var(--txt2);direction:ltr}
/* EKG price slider */
.cpr{direction:ltr}
.cpr-track{position:relative;height:46px;margin:2px 8px 6px}
.cpr-base{position:absolute;top:50%;left:0;right:0;height:2px;background:var(--line);border-radius:2px}
.cpr-wave{position:absolute;inset:0;overflow:visible}
.cpr-wave svg{width:100%;height:100%;overflow:visible}
.cpr-wave path{fill:none;stroke:var(--pulse);stroke-width:2.2;stroke-linecap:round;filter:drop-shadow(0 0 4px rgba(255,59,78,.35))}
.cpr input[type=range]{position:absolute;top:0;left:8px;right:8px;width:calc(100% - 16px);height:46px;margin:0;background:none;pointer-events:none;-webkit-appearance:none;appearance:none}
.cpr input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;pointer-events:auto;width:20px;height:20px;border-radius:50%;background:var(--pulse);border:3.5px solid #fff;box-shadow:0 0 0 1.5px var(--pulse),0 2px 8px rgba(255,59,78,.45);cursor:grab}
.cpr input[type=range]::-moz-range-thumb{pointer-events:auto;width:14px;height:14px;border-radius:50%;background:var(--pulse);border:3.5px solid #fff;box-shadow:0 0 0 1.5px var(--pulse);cursor:grab}
.cpr input[type=range]:focus-visible::-webkit-slider-thumb{outline:3px solid var(--petrol);outline-offset:2px}
.cpr-read{display:flex;justify-content:space-between;font-size:11.5px;color:var(--txt2);font-weight:600;direction:rtl}
.cpr-read b{font-family:'Vazirmatn';font-weight:800;color:var(--txt)}

/* ---------- grid + cards v2 ---------- */
.cgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cgrid .pcard{opacity:0;animation:cap .5s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:calc(var(--st)*45ms)}
@keyframes cap{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.cmorewrap{display:flex;justify-content:center;margin-top:26px}
.cmore{display:inline-flex;align-items:center;gap:9px;background:var(--card);border:1.5px solid var(--line);border-radius:999px;padding:13px 26px;font-size:13.5px;font-weight:800;transition:border-color .2s,background .2s}
.cmore:hover{border-color:var(--pulse);color:var(--pulse-deep)}
.cmore .lat{font-size:11.5px;color:var(--txt2)}

/* empty flatline */
.cempty{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:60px 20px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-l)}
.cempty .flat{width:min(340px,86%);height:60px}
.cempty .flat path{fill:none;stroke:var(--pulse);stroke-width:2.4;stroke-linecap:round;opacity:.85}
.cempty b{font-size:16px;font-weight:800}
.cempty span{font-size:12.5px;color:var(--txt2);line-height:2}
.cempty .btn{margin-top:8px}

/* ---------- SEO layer ---------- */
.cseo{margin-top:54px;padding-bottom:26px;display:grid;gap:22px}
.cintro{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(20px,3vw,32px)}
.cintro h2{font-family:'Estedad';font-weight:900;font-size:19px;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.cintro h2::before{content:'';width:6px;height:20px;border-radius:3px;background:var(--pulse)}
.cintro .body{font-size:13.5px;color:var(--txt2);line-height:2.3;max-height:8.5em;overflow:hidden;position:relative;transition:max-height .4s ease}
.cintro .body::after{content:'';position:absolute;bottom:0;inset-inline:0;height:44px;background:linear-gradient(transparent,var(--card))}
.cintro.x .body{max-height:80em}
.cintro.x .body::after{opacity:0}
.cintro .morebtn{margin-top:10px;font-size:12.5px;font-weight:800;color:var(--petrol);display:inline-flex;align-items:center;gap:6px}
.cfaq{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(20px,3vw,32px)}
.cfaq h2{font-family:'Estedad';font-weight:900;font-size:19px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.cfaq h2::before{content:'';width:6px;height:20px;border-radius:3px;background:var(--teal)}
.cfaq details{border-bottom:1px dashed var(--line)}
.cfaq details:last-child{border-bottom:0}
.cfaq summary{list-style:none;display:flex;align-items:center;gap:10px;padding:15px 4px;font-size:13.5px;font-weight:800;cursor:pointer}
.cfaq summary::-webkit-details-marker{display:none}
.cfaq summary::after{content:'+';margin-inline-start:auto;font-family:'JBMono';font-size:16px;color:var(--petrol);transition:transform .25s}
.cfaq details[open] summary::after{transform:rotate(45deg);color:var(--pulse)}
.cfaq .a{padding:0 4px 16px;font-size:13px;color:var(--txt2);line-height:2.2}
.crel{display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.crel .h{font-size:13px;font-weight:800;margin-inline-end:6px}
.crel a{display:inline-flex;align-items:center;gap:7px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:9px 15px;font-size:12.5px;font-weight:700;transition:border-color .2s,color .2s}
.crel a:hover{border-color:var(--petrol);color:var(--petrol)}
.crel a .n{font-family:'JBMono';font-size:10.5px;color:var(--txt2);direction:ltr}

/* ---------- mobile filter sheet ---------- */
.fsheet{position:fixed;inset:0;z-index:85;display:none}
.fsheet.open{display:block}
.fsheet-bg{position:absolute;inset:0;background:rgba(4,22,32,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fadein .25s}
.fsheet-p{position:absolute;inset-inline:0;bottom:0;max-height:84vh;background:var(--canvas);border-radius:26px 26px 0 0;display:flex;flex-direction:column;animation:sheetup .38s cubic-bezier(.2,.9,.25,1)}
.fsheet-h{position:relative;display:flex;align-items:center;justify-content:center;padding:22px 18px 12px}
.fsheet-h .grab{position:absolute;top:9px;inset-inline-start:50%;translate:50% 0;width:44px;height:5px;border-radius:3px;background:#C9D8E0}
.fsheet-h b{font-size:15px;font-weight:800}
.fsheet-x{position:absolute;inset-inline-end:14px;top:14px;width:38px;height:38px;border-radius:50%;background:#E4EDF2;display:grid;place-items:center}
.fsheet-x svg{width:17px;height:17px}
.fsheet-b{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:6px 16px 16px}
.fsheet-b .crail{position:static;max-height:none;overflow:visible;top:auto}
.fsheet-f{display:flex;gap:10px;padding:12px 16px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--card)}
.fsheet-f .btn{flex:1;padding-block:14px}
.fsheet-clear{font-size:13px;font-weight:700;color:var(--pulse-deep);padding-inline:14px}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .clay{grid-template-columns:1fr}
  .crail{display:none} /* rail lives in the sheet (moved by JS) */
  .fsheet-b .crail{display:flex}
  .cfbtn{display:inline-flex}
  .cgrid{grid-template-columns:repeat(3,1fr);gap:14px}
  .chero-grid{grid-template-columns:1fr;gap:26px}
  .chero-vis{height:230px;max-width:440px}
}
@media (max-width:640px){
  .crumbs{padding-top:10px}
  .chero{margin-top:8px}
  .chero .wrap{padding-inline:10px}
  .chero-grid{border-radius:20px;padding:22px 18px 26px}
  .chero p{font-size:12.5px;line-height:2}
  .chstats{gap:7px}
  .cst{padding:8px 12px;font-size:11px}
  .cst b{font-size:13.5px}
  .chero-vis{height:190px}
  .csubs-rail{grid-auto-columns:minmax(140px,152px);margin-inline:-14px;padding-inline:14px}
  .csub .im{height:74px}
  .cmon{top:0}
  .cmon-in{flex-wrap:wrap;gap:9px;padding-block:9px}
  .cread{order:1;padding:8px 13px}
  .cread b{font-size:16px}
  .cekg{width:44px;height:22px}
  .cfbtn{order:2}
  .cdd{order:3;margin-inline-start:auto}
  .cdd-b{padding:10px 13px;font-size:12px}
  .cchips{order:4;flex-basis:100%;margin:0}
  .cchips:empty{display:none}
  .clay{margin-top:14px;padding-inline:10px}
  .cgrid{grid-template-columns:1fr 1fr;gap:9px}
  .cgrid .pcard{border-radius:15px}
  .pc-imgwrap{padding:10px}
  .pc-body{padding:11px 12px 12px;gap:7px}
  .pc-name{font-size:12.3px;line-height:1.7;min-height:3.3em}
  .pc-foot{flex-direction:column;align-items:stretch;gap:9px}
  .pc-price{display:flex;align-items:baseline;gap:8px}
  .buy{width:100%;height:42px}
  .pc-meta{font-size:10.8px;flex-wrap:wrap}
  .pc-meta .stock{white-space:nowrap}
  .cseo .wrap{padding-inline:10px}
  .cseo{margin-top:36px}
  .cempty{padding:44px 14px}
  .cmon .wrap{padding-inline:10px}
}
@media (max-width:400px){
  .cgrid{gap:7px}
  .pc-name{font-size:11.6px}
}
@media (prefers-reduced-motion:reduce){
  .cgrid .pcard{animation:none;opacity:1}
  .chero-glow,.cpol,.cdot{animation:none!important}
  .cpol::after{display:none}
}

/* بازخورد مشتری: خطِ گرادیانیِ بالای هر جعبهٔ فیلتر (مثل کارتِ پکیج‌ها) */
.cgrp{position:relative;overflow:hidden}
.cgrp::before{content:'';position:absolute;top:0;inset-inline:0;height:4px;background:linear-gradient(90deg,var(--sky),var(--coral) 52%,var(--aqua));z-index:1}