/* Layout: a turquoise-tiled circuit board. Silkscreen header on every page; the home hero is a live board whose copper
   traces fan out of a Shirazi eight-point star chip; inner pages open with a compact head crossed by one signal trace;
   component-tray grids for parts; a dedicated checkout page with a bank-card payment panel. Dark-first. */
:root{
  --bg:#051219; --bg-2:#081b25; --surface:#0b2230; --line:#133443; --line-2:#21506a;
  --fg:#e6f4f6; --muted:#8db0bb; --turq:#2fd3d0; --on-turq:#032226; --copper:#e7ab58; --danger:#ff7a66;
  --ill-bg:#071a24; --ill-pcb:#0f5663; --ill-dark:#051016; --ill-metal:#b7c8ce; --ill-silk:#eef8f9;
  --card-a:#0f6c75; --card-b:#072432; --card-fg:#effbfb; --chip-a:#efc983; --chip-b:#b37b2a; --chip-line:rgba(40,24,4,.35);
  --scrim:rgba(2,8,12,.64); --shadow:0 28px 60px -24px rgba(0,0,0,.72);
  --f-display:'Handjet','Vazirmatn',Tahoma,sans-serif;
  --f-body:'Vazirmatn',Tahoma,'Segoe UI',system-ui,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  color-scheme:dark;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#edf5f6; --bg-2:#e1edf0; --surface:#fbfeff; --line:#cddfe3; --line-2:#a5c3ca;
    --fg:#062029; --muted:#47656f; --turq:#00767d; --on-turq:#f2fffe; --copper:#955508; --danger:#c43d2b;
    --ill-bg:#deebee; --ill-pcb:#12707a; --ill-dark:#0f232a; --ill-metal:#9db2b9; --ill-silk:#f4fafb;
    --card-a:#11808a; --card-b:#093340; --scrim:rgba(10,35,45,.42); --shadow:0 26px 50px -26px rgba(10,45,60,.45);
    color-scheme:light;
  }
}
:root[data-theme="light"]{
  --bg:#edf5f6; --bg-2:#e1edf0; --surface:#fbfeff; --line:#cddfe3; --line-2:#a5c3ca;
  --fg:#062029; --muted:#47656f; --turq:#00767d; --on-turq:#f2fffe; --copper:#955508; --danger:#c43d2b;
  --ill-bg:#deebee; --ill-pcb:#12707a; --ill-dark:#0f232a; --ill-metal:#9db2b9; --ill-silk:#f4fafb;
  --card-a:#11808a; --card-b:#093340; --scrim:rgba(10,35,45,.42); --shadow:0 26px 50px -26px rgba(10,45,60,.45);
  color-scheme:light;
}

/* ---------- page transitions between the site's pages ---------- */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .2s ease both}
::view-transition-new(root){animation:vt-in .34s cubic-bezier(.2,.8,.2,1) both}
@keyframes vt-out{to{opacity:0;transform:translateY(-8px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(12px)}}

/* ---------- base ---------- */
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.85;margin:0;-webkit-font-smoothing:antialiased}
html.lock,html.lock body{overflow:hidden}
*,*::before,*::after{box-sizing:border-box}
.site{overflow-x:clip;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
h1,h2,h3{margin:0;text-wrap:balance}
p{margin:0}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--turq);outline-offset:2px}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}
.num{font-variant-numeric:tabular-nums}
.ltr{direction:ltr;unicode-bidi:isolate}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}
img{max-width:100%}
#featured{display:grid;gap:16px}
.badge.inline{position:static;align-self:flex-start}

/* ---------- header ---------- */
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);view-transition-name:topbar}
.topbar .wrap{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand svg{width:38px;height:38px;flex:none;transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.brand:hover svg{transform:rotate(45deg)}
.brand-name{font-family:var(--f-display);font-size:32px;font-weight:700;line-height:1}
.brand-sub{display:block;font-size:11.5px;color:var(--muted);line-height:1.3;margin-top:3px}
.mainnav{display:flex;gap:2px;margin-inline-start:auto}
.mainnav a{position:relative;color:var(--muted);text-decoration:none;padding:7px 12px;border-radius:6px;font-size:14.5px;white-space:nowrap;transition:color .2s,background .2s}
.mainnav a:hover{color:var(--fg);background:var(--bg-2)}
.mainnav a[aria-current="page"]{color:var(--fg)}
.mainnav a[aria-current="page"]::after{content:"";position:absolute;inset-inline:12px;bottom:0;height:2px;background:var(--turq);box-shadow:0 0 10px var(--turq)}
.cart-btn{display:flex;align-items:center;gap:9px;border:1px solid var(--line-2);background:var(--surface);padding:8px 12px 8px 10px;border-radius:9px;font-weight:600;font-size:14px;cursor:pointer;flex:none;text-decoration:none;transition:border-color .2s}
.cart-btn:hover{border-color:var(--turq)}
.cart-btn svg{width:20px;height:20px}
.count{min-width:22px;height:22px;padding-inline:6px;border-radius:11px;background:var(--turq);color:var(--on-turq);font-size:12.5px;font-weight:800;line-height:22px;text-align:center}
.count.zero{background:var(--line-2);color:var(--muted)}
.count.bump{animation:bump .45s cubic-bezier(.3,1.6,.5,1)}
@keyframes bump{40%{transform:scale(1.45)}}
@media (max-width:820px){
  .topbar .wrap{flex-wrap:wrap;gap:6px 12px;padding-block:8px}
  .cart-btn{margin-inline-start:auto}
  .mainnav{order:3;width:100%;margin:0;overflow-x:auto;scrollbar-width:none}
  .mainnav a{padding:5px 10px;font-size:13.5px;background:var(--bg-2)}
  .mainnav a[aria-current="page"]{background:color-mix(in srgb,var(--turq) 16%,var(--bg-2))}
  .mainnav a[aria-current="page"]::after{display:none}
  .brand-name{font-size:28px}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;line-height:1.2;padding:14px 22px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:filter .2s,border-color .2s,color .2s,background .2s,transform .15s;border-radius:0}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--turq);color:var(--on-turq);clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px)}
.btn.primary:hover{filter:brightness(1.1)}
.btn.primary:focus-visible{outline:none;box-shadow:inset 0 0 0 3px var(--fg)}
.btn.primary:disabled{filter:grayscale(1) opacity(.45);cursor:not-allowed}
.btn.ghost{border-color:var(--line-2);color:var(--fg);background:transparent;border-radius:8px}
.btn.ghost:hover{border-color:var(--turq);color:var(--turq)}
.btn.sm{padding:9px 14px;font-size:13.5px}
.btn.block{width:100%}

/* ---------- home hero ---------- */
.hero{position:relative;isolation:isolate;border-bottom:1px solid var(--line);overflow:hidden;touch-action:manipulation}
#board{position:absolute;inset:0;width:100%;height:100%;z-index:-1;display:block}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;align-items:center;padding-block:clamp(40px,7vw,92px)}
.hero-copy{min-width:0;display:flex;flex-direction:column;gap:24px}
.hero-visual{min-height:440px;position:relative}
.board-hint{position:absolute;inset-inline:0;bottom:0;text-align:center;font-size:12px;color:var(--muted);letter-spacing:.02em;pointer-events:none}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);font-weight:500}
.led{width:9px;height:9px;border-radius:50%;background:var(--turq);box-shadow:0 0 0 3px color-mix(in srgb,var(--turq) 22%,transparent),0 0 14px var(--turq);animation:blink 2.6s ease-in-out infinite;flex:none}
@keyframes blink{50%{opacity:.35}}
.hero h1{font-family:var(--f-display);font-size:clamp(54px,8.6vw,116px);line-height:.92;font-weight:700;display:flex;flex-direction:column;gap:.06em}
.hero h1 .dots{color:var(--turq);font-weight:800;font-variation-settings:'ELSH' 16}
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  .hero h1 .dots{background:linear-gradient(100deg,var(--turq) 0 40%,var(--fg) 48%,var(--copper) 52%,var(--turq) 60% 100%);background-size:280% 100%;background-position:100% 0;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sweep 6s ease-in-out 1.6s infinite}
}
@keyframes sweep{0%{background-position:100% 0}45%,100%{background-position:0 0}}
.hero h1 > span{animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
.hero h1 > span + span{animation-delay:.12s}
@keyframes rise{from{transform:translateY(18px)}}
.lede{font-size:clamp(16px,1.6vw,18.5px);color:var(--muted);max-width:34em;line-height:1.95}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.facts{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 22px;font-size:13.5px;color:var(--muted)}
.facts li{display:flex;align-items:center;gap:8px}
.facts li::before{content:"";width:8px;height:5px;background:var(--copper);flex:none}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:8px}
  .hero-visual{order:-1;min-height:250px}
}

/* ---------- inner page head ---------- */
.page-head{position:relative;border-bottom:1px solid var(--line);background:var(--bg-2);overflow:hidden}
.page-head .wrap{padding-block:clamp(28px,5vw,52px) clamp(34px,5.5vw,58px);display:flex;flex-direction:column;gap:10px;position:relative}
.crumbs{display:flex;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--turq)}
.crumbs span[aria-hidden]{opacity:.6}
.page-head h1{font-family:var(--f-display);font-size:clamp(42px,6vw,72px);font-weight:700;line-height:1}
.page-head p{color:var(--muted);max-width:40em;font-size:15.5px}
.page-head .stats{font-family:var(--f-mono);font-size:12px;color:var(--muted);letter-spacing:.04em}
.signal{position:absolute;inset-inline:0;bottom:6px;width:100%;height:28px;pointer-events:none}
.signal path{fill:none;vector-effect:non-scaling-stroke}
.signal .sig-base{stroke:var(--line-2);stroke-width:2}
.signal .sig-pulse{stroke:var(--turq);stroke-width:2.5;stroke-dasharray:5 95;stroke-dashoffset:0;animation:sig 4.2s linear infinite;filter:drop-shadow(0 0 4px var(--turq))}
@keyframes sig{to{stroke-dashoffset:-100}}

/* ---------- sections ---------- */
.section{padding-block:clamp(52px,7.5vw,100px);position:relative}
.section.tight{padding-block:clamp(28px,4vw,48px) clamp(52px,7vw,90px)}
.section.alt{background:var(--bg-2);border-block:1px solid var(--line);overflow:hidden}
.girih{position:absolute;inset:0;width:100%;height:100%;color:var(--line);pointer-events:none;-webkit-mask-image:radial-gradient(ellipse at 20% 50%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse at 20% 50%,#000 10%,transparent 70%)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px 48px;margin-bottom:34px;position:relative}
.sec-head > div{display:flex;flex-direction:column;gap:8px;min-width:0}
.kicker{font-size:13px;font-weight:700;color:var(--turq);display:flex;align-items:center;gap:10px}
.kicker::before{content:"";width:22px;height:2px;background:var(--turq)}
.sec-head h2{font-family:var(--f-display);font-size:clamp(38px,5.2vw,62px);font-weight:700;line-height:1}
.sec-head p{max-width:34em;color:var(--muted);font-size:15.5px}

/* ---------- featured product (home) ---------- */
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:1px solid var(--line-2);border-radius:10px;overflow:hidden;background:var(--surface)}
.f-media{position:relative;min-height:340px;background:var(--ill-bg);display:grid;place-items:center;border-left:1px solid var(--line);overflow:hidden}
.f-media .girih{color:var(--line-2);opacity:.55;-webkit-mask-image:none;mask-image:none}
.f-media svg.ill{position:relative;width:78%;max-width:440px;height:auto;direction:ltr;filter:drop-shadow(0 18px 24px rgba(0,0,0,.28))}
.f-body{padding:clamp(22px,4vw,40px);display:flex;flex-direction:column;gap:14px;min-width:0}
.f-body .code{font-family:var(--f-mono);font-size:12px;color:var(--muted);letter-spacing:.06em;direction:ltr;text-align:right}
.f-body h3{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.4}
.f-body .desc{color:var(--muted);font-size:15.5px;line-height:1.95;max-width:34em}
.f-buy{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.price.big{font-size:44px}
.f-link{font-size:14px;font-weight:700;color:var(--turq);text-decoration:none;align-self:flex-start}
.f-link:hover{text-decoration:underline;text-underline-offset:4px}
@media (max-width:820px){.feature{grid-template-columns:1fr}.f-media{min-height:240px;border-left:0;border-bottom:1px solid var(--line)}}
.soon{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.soon .tags{display:flex;flex-wrap:wrap;gap:6px}
.soon .tags a{border:1px dashed var(--line-2);border-radius:999px;padding:2px 10px;font-size:12.5px;text-decoration:none;color:var(--muted)}
.soon .tags a:hover{color:var(--turq);border-color:var(--turq)}

/* gears in the plastic-pack illustration */
.ill .g1,.ill .g2{transform-box:fill-box;transform-origin:center}
.f-media .g1,.part:hover .g1,.qv-media .g1{animation:spin 16s linear infinite}
.f-media .g2,.part:hover .g2,.qv-media .g2{animation:spin 10.67s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- how to buy (home) ---------- */
.howto{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.howto::before{content:"";position:absolute;top:28px;right:28px;width:calc(75% + 15px);height:2px;background:linear-gradient(90deg,var(--line-2),var(--turq),var(--line-2));background-size:200% 100%;animation:flow 5s linear infinite}
@keyframes flow{to{background-position:-200% 0}}
.howto li{position:relative;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.via{width:56px;height:56px;border-radius:50%;border:2px solid var(--turq);background:var(--bg-2);display:grid;place-items:center;font-family:var(--f-display);font-size:30px;font-weight:700;color:var(--turq);line-height:1;position:relative;z-index:1;box-shadow:0 0 0 6px var(--bg-2)}
.howto h3{font-size:17.5px;font-weight:800;line-height:1.5;margin-top:6px}
.howto p{color:var(--muted);font-size:14.5px}
@media (max-width:860px){
  .howto{grid-template-columns:1fr;gap:6px}
  .howto::before{top:28px;bottom:28px;right:27px;width:2px;height:auto;background:var(--line-2);animation:none}
  .howto li{display:grid;grid-template-columns:56px minmax(0,1fr);gap:4px 16px;padding-block:8px}
  .howto li .via{grid-row:span 2}
  .howto h3{margin-top:4px}
}

/* ---------- callout ---------- */
.callout{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px 32px;border:1px solid var(--line-2);border-radius:10px;padding:clamp(20px,3.5vw,32px);background:var(--surface)}
.callout h2{font-family:var(--f-display);font-size:clamp(32px,4vw,44px);line-height:1}
.callout p{color:var(--muted);margin-top:6px}
.callout .phone{font-family:var(--f-mono);font-size:clamp(20px,2.6vw,26px);font-weight:600;direction:ltr}
.callout .side{display:flex;flex-direction:column;gap:10px;min-width:min(100%,300px)}

/* ---------- price / buy controls ---------- */
.price{font-family:var(--f-display);font-size:30px;font-weight:600;line-height:1;font-variant-numeric:tabular-nums;white-space:nowrap}
.price small{font-family:var(--f-body);font-size:12.5px;color:var(--muted);font-weight:500;margin-inline-start:5px}
.price.off{font-family:var(--f-body);font-size:14px;font-weight:700;color:var(--muted)}
.add-btn{border:1px solid var(--turq);color:var(--turq);background:transparent;padding:8px 14px;border-radius:8px;font-weight:700;font-size:14px;cursor:pointer;transition:background .2s,color .2s;white-space:nowrap}
.add-btn:hover{background:var(--turq);color:var(--on-turq)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--turq);border-radius:8px;overflow:hidden;background:color-mix(in srgb,var(--turq) 10%,transparent);animation:pop .3s cubic-bezier(.3,1.5,.5,1)}
@keyframes pop{from{transform:scale(.85)}}
.qty button{width:36px;height:36px;border:0;background:transparent;color:var(--turq);font-size:19px;font-weight:700;cursor:pointer;line-height:1}
.qty button:hover{background:color-mix(in srgb,var(--turq) 18%,transparent)}
.qty span{min-width:26px;text-align:center;font-weight:800;font-variant-numeric:tabular-nums}
.qty.sm button{width:30px;height:30px;font-size:17px}
.notify{font-size:13.5px;font-weight:700;color:var(--turq);text-decoration:none;border:1px dashed color-mix(in srgb,var(--turq) 60%,transparent);border-radius:8px;padding:6px 12px;white-space:nowrap}
.notify:hover{border-style:solid}

/* ---------- shop ---------- */
.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;margin-bottom:22px}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line-2);background:var(--surface);color:var(--muted);padding:6px 14px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;display:inline-flex;gap:7px;align-items:center;transition:background .2s,color .2s,border-color .2s}
.chip:hover{color:var(--fg)}
.chip[aria-pressed="true"]{background:var(--fg);border-color:var(--fg);color:var(--bg)}
.chip .n{font-family:var(--f-mono);font-size:11px;opacity:.7}
.switch{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;cursor:pointer;user-select:none}
.switch input{position:absolute;opacity:0;width:1px;height:1px}
.switch .track{width:40px;height:22px;border-radius:11px;background:var(--line-2);position:relative;transition:background .2s;flex:none}
.switch .track::after{content:"";position:absolute;top:3px;right:3px;width:16px;height:16px;border-radius:50%;background:var(--fg);transition:transform .25s cubic-bezier(.3,1.4,.5,1)}
.switch input:checked + .track{background:var(--turq)}
.switch input:checked + .track::after{transform:translateX(-18px);background:var(--on-turq)}
.switch input:focus-visible + .track{outline:2px solid var(--turq);outline-offset:2px}
.parts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:760px){.parts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.parts{grid-template-columns:1fr}}
.part{background:var(--surface);border:1px solid var(--line);border-radius:6px;display:flex;flex-direction:column;overflow:hidden;min-width:0;transition:border-color .25s,transform .25s,box-shadow .25s}
.part:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--shadow)}
.part.appear{animation:appear .4s cubic-bezier(.2,.8,.2,1)}
@keyframes appear{from{transform:translateY(10px) scale(.98)}}
.part.instock{border-color:color-mix(in srgb,var(--turq) 45%,var(--line))}
.part-media{position:relative;aspect-ratio:5/3;max-width:100%;width:100%;background-color:var(--ill-bg);background-image:radial-gradient(circle,var(--line-2) 1px,transparent 1.5px);background-size:14px 14px;border:0;border-bottom:1px solid var(--line);display:grid;place-items:center;cursor:pointer;padding:0}
.part-media svg{width:80%;height:auto;direction:ltr;transition:transform .35s ease,filter .35s,opacity .35s}
.part:hover .part-media svg{transform:translateY(-3px) scale(1.04)}
.soldout .part-media svg{filter:grayscale(1);opacity:.45}
.soldout:hover .part-media svg{opacity:.7}
.partno{position:absolute;bottom:10px;right:10px;font-family:var(--f-mono);font-size:11px;font-weight:600;color:var(--muted);background:var(--surface);border:1px solid var(--line);padding:1px 7px;border-radius:3px;direction:ltr}
.badge{position:absolute;top:10px;left:10px;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:2px 9px;border-radius:999px;line-height:1.7}
.badge.in{background:color-mix(in srgb,var(--turq) 16%,var(--surface));color:var(--turq);border:1px solid color-mix(in srgb,var(--turq) 50%,transparent)}
.badge.in i{width:7px;height:7px;border-radius:50%;background:var(--turq);box-shadow:0 0 8px var(--turq);animation:blink 1.8s ease-in-out infinite}
.badge.out{background:var(--surface);color:var(--muted);border:1px solid var(--line-2)}
.part-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.part h3{font-size:16.5px;font-weight:800;line-height:1.55}
.linkish{background:none;border:0;padding:0;margin:0;font:inherit;text-align:inherit;cursor:pointer;color:inherit}
.linkish:hover{color:var(--turq)}
.specs{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.specs li{font-size:12.5px;color:var(--muted);border:1px solid var(--line);padding:1px 8px;border-radius:4px;line-height:1.8}
.p-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-top:6px}
.part .price{font-size:27px}
.part .price.off,.qv .price.off{font-family:var(--f-body);font-size:14px;font-weight:700;color:var(--muted)}
.no-results{padding:40px 0;text-align:center;color:var(--muted)}

/* illustration palette */
.i-pcb{fill:var(--ill-pcb)} .i-dark{fill:var(--ill-dark)} .i-metal{fill:var(--ill-metal)} .i-cu{fill:var(--copper)}
.i-tile{fill:var(--turq)} .i-red{fill:var(--danger)} .i-light{fill:var(--ill-silk)} .i-bg{fill:var(--ill-bg)}
.s-cu{stroke:var(--copper);fill:none} .s-metal{stroke:var(--ill-metal);fill:none} .s-dark{stroke:var(--ill-dark);fill:none}
.s-red{stroke:var(--danger);fill:none} .s-tile{stroke:var(--turq);fill:none} .s-line{stroke:var(--line-2);fill:none} .s-light{stroke:var(--ill-silk);fill:none}
.hole{fill:var(--ill-bg);stroke:var(--copper);stroke-width:1.5}
.t-silk{fill:var(--ill-silk);font:700 10px var(--f-mono);text-anchor:middle}
.t-etch{fill:var(--ill-metal);font:600 6px var(--f-mono);text-anchor:middle}
.t-ink{fill:var(--ill-dark);font:800 9px var(--f-mono);text-anchor:middle}

/* ---------- quick view (product mini page) ---------- */
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:16px}
.modal-scrim{position:absolute;inset:0;background:var(--scrim);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;transition:opacity .25s}
.qv{position:relative;width:min(860px,100%);max-height:calc(100% - 16px);overflow:auto;background:var(--bg);border:1px solid var(--line-2);border-radius:12px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);box-shadow:var(--shadow);opacity:0;transform:translateY(16px) scale(.97);transition:opacity .25s,transform .35s cubic-bezier(.2,.8,.2,1)}
.modal.open .modal-scrim{opacity:1}
.modal.open .qv{opacity:1;transform:none}
.qv-media{background-color:var(--ill-bg);background-image:radial-gradient(circle,var(--line-2) 1px,transparent 1.5px);background-size:14px 14px;display:grid;place-items:center;min-height:300px;position:relative;border-left:1px solid var(--line)}
.qv-media svg{width:84%;height:auto;direction:ltr}
.qv-media.out svg{filter:grayscale(1);opacity:.5}
.qv-body{padding:28px 26px 24px;display:flex;flex-direction:column;gap:12px;min-width:0}
.qv-body .code{font-family:var(--f-mono);font-size:12px;color:var(--muted);direction:ltr;text-align:right}
.qv-body h2{font-size:24px;font-weight:800;line-height:1.45}
.qv-body .desc{color:var(--muted);font-size:15px;line-height:1.95}
.qv-body .row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line-2)}
.qv-x{position:absolute;top:12px;left:12px;z-index:2;background:var(--bg)}
@media (max-width:700px){.qv{grid-template-columns:1fr}.qv-media{min-height:200px;border-left:0;border-bottom:1px solid var(--line)}}

/* ---------- checkout ---------- */
.progress-lg{list-style:none;margin:10px 0 0;padding:0;display:flex;gap:10px;flex-wrap:wrap;counter-reset:st}
.progress-lg li{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--muted);counter-increment:st;padding:4px 12px 4px 8px;border:1px solid var(--line-2);border-radius:999px;background:var(--bg)}
.progress-lg li::before{content:counter(st,persian);width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line-2);display:grid;place-items:center;font-size:12px;flex:none}
.progress-lg li[data-state="active"]{color:var(--fg);border-color:var(--turq)}
.progress-lg li[data-state="active"]::before{background:var(--turq);border-color:var(--turq);color:var(--on-turq)}
.progress-lg li[data-state="done"]::before{content:"✓";border-color:var(--turq);color:var(--turq)}
.co-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(20px,4vw,48px);align-items:start}
@media (max-width:900px){.co-grid{grid-template-columns:1fr}}
.panel{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:clamp(18px,3vw,28px);display:flex;flex-direction:column;gap:16px;min-width:0}
.panel > h2{font-size:19px;font-weight:800;line-height:1.5}
.summary{position:sticky;top:calc(84px + env(safe-area-inset-top,0px))}
@media (max-width:900px){.summary{position:static}}
.enter > *{animation:enter .5s cubic-bezier(.2,.8,.2,1) both}
.enter > *:nth-child(2){animation-delay:.06s}.enter > *:nth-child(3){animation-delay:.12s}.enter > *:nth-child(4){animation-delay:.18s}.enter > *:nth-child(5){animation-delay:.24s}.enter > *:nth-child(6){animation-delay:.3s}
@keyframes enter{from{opacity:0;transform:translateY(14px)}}
.empty-state,.done{text-align:center;padding:48px 16px;display:flex;flex-direction:column;align-items:center;gap:14px;color:var(--muted)}
.empty-state svg{width:72px;height:72px}
.empty-state h2,.done h2{font-family:var(--f-display);font-size:40px;color:var(--fg);line-height:1}
.empty-state .row,.done .row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.done-mark{width:84px;height:84px;position:relative;display:grid;place-items:center}
.done-mark svg{width:84px;height:84px}
.done-mark .ring{fill:none;stroke:var(--turq);stroke-width:3;stroke-dasharray:252;stroke-dashoffset:252;animation:draw .8s cubic-bezier(.6,0,.2,1) forwards}
.done-mark .tick{fill:none;stroke:var(--turq);stroke-width:4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:60;stroke-dashoffset:60;animation:draw .45s .6s ease-out forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.done .code-lg{font-family:var(--f-display);font-size:34px;color:var(--turq);direction:ltr}

/* form */
form.info{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label,.legend{font-size:13.5px;font-weight:700}
.opt-l{color:var(--muted);font-weight:500}
.field input,.field textarea{font:inherit;font-size:15px;background:var(--bg);color:var(--fg);border:1px solid var(--line-2);border-radius:8px;padding:10px 12px;width:100%;line-height:1.7;transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:76px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--turq);box-shadow:0 0 0 3px color-mix(in srgb,var(--turq) 24%,transparent)}
.field [aria-invalid="true"]{border-color:var(--danger);animation:shake .35s}
@keyframes shake{25%{transform:translateX(4px)}75%{transform:translateX(-4px)}}
.field input[dir="ltr"]{text-align:right}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.two{grid-template-columns:1fr}}
.err{color:var(--danger);font-size:12.5px;font-weight:600}
fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.opt{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;border:1px solid var(--line-2);border-radius:8px;padding:11px 12px;cursor:pointer;font-size:14.5px;background:var(--bg);transition:border-color .2s,background .2s}
.opt input{accent-color:var(--turq);width:17px;height:17px;margin:0}
.opt:has(input:checked){border-color:var(--turq);background:color-mix(in srgb,var(--turq) 9%,var(--bg))}
.opt .c{font-weight:700;font-size:13.5px;white-space:nowrap}

/* cart lines (drawer + summary) */
.lines{display:flex;flex-direction:column;gap:12px}
.line{display:grid;grid-template-columns:58px minmax(0,1fr) auto;gap:4px 12px;padding-bottom:12px;border-bottom:1px dashed var(--line-2);align-items:start}
.l-ill{width:58px;height:44px;border-radius:6px;background:var(--ill-bg);border:1px solid var(--line);display:grid;place-items:center;overflow:hidden}
.l-ill svg{width:90%;height:auto;direction:ltr}
.line .nm{font-weight:700;font-size:14.5px;line-height:1.6}
.line .sub{font-size:12.5px;color:var(--muted)}
.line .amt{font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;white-space:nowrap}
.line .ctl{display:flex;align-items:center;gap:12px;margin-top:6px}
.del{background:none;border:0;color:var(--muted);font-size:13px;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.del:hover{color:var(--danger)}
.totals{display:flex;flex-direction:column;gap:6px}
.tot{display:flex;justify-content:space-between;gap:10px;font-size:14px;color:var(--muted)}
.tot b{color:var(--fg);font-variant-numeric:tabular-nums;font-weight:700}
.tot.grand{font-size:17px;color:var(--fg);font-weight:800;padding-top:8px;border-top:1px solid var(--line)}
.tot.grand b{font-weight:800;color:var(--turq)}
.note{font-size:12.5px;color:var(--muted);line-height:1.8}

/* payment panel */
.ok-head{display:flex;align-items:center;gap:14px}
.ok-dot{width:46px;height:46px;border-radius:50%;background:color-mix(in srgb,var(--turq) 16%,transparent);border:1.5px solid var(--turq);color:var(--turq);display:grid;place-items:center;font-size:20px;font-weight:800;flex:none}
.ok-head .k{font-size:13.5px;color:var(--muted);font-weight:600}
.order-code{font-family:var(--f-display);font-size:40px;font-weight:700;line-height:1;direction:ltr;text-align:right;letter-spacing:.02em}
.amount-box{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;border:1px solid var(--turq);border-radius:8px;padding:12px 16px;background:color-mix(in srgb,var(--turq) 8%,transparent)}
.amount-box span{font-size:14px;font-weight:700;color:var(--muted)}
.amount-box strong{font-family:var(--f-display);font-size:38px;font-weight:700;color:var(--turq);line-height:1;font-variant-numeric:tabular-nums;white-space:nowrap}
.amount-box strong small{font-family:var(--f-body);font-size:13px;margin-inline-start:4px}
.mini-h{font-size:16px;font-weight:800;display:flex;gap:10px;align-items:center}
.mini-h i{font-style:normal;width:24px;height:24px;border-radius:50%;background:var(--turq);color:var(--on-turq);display:grid;place-items:center;font-size:12.5px;flex:none}
.pay-step{display:flex;flex-direction:column;gap:12px;padding-top:16px;border-top:1px dashed var(--line-2)}
.card-row{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:16px;align-items:center}
@media (max-width:620px){.card-row{grid-template-columns:1fr}}
.card-meta{display:flex;flex-direction:column;gap:8px;font-size:14px}
.card-meta dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:4px 12px}
.card-meta dt{color:var(--muted)}
.card-meta dd{margin:0;font-weight:700}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}
#orderText{font:inherit;font-size:13px;line-height:1.8;background:var(--bg);color:var(--fg);border:1px solid var(--line-2);border-radius:8px;padding:10px 12px;width:100%;resize:vertical}

/* bank card */
.bankcard{position:relative;overflow:hidden;aspect-ratio:1.586;max-width:100%;width:100%;border-radius:14px;padding:clamp(14px,4%,24px) clamp(16px,5%,26px);color:var(--card-fg);background:radial-gradient(120% 90% at 100% 0%,color-mix(in srgb,var(--turq) 28%,transparent),transparent 58%),linear-gradient(150deg,var(--card-a),var(--card-b));box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between;isolation:isolate}
.bankcard::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.14) 48%,transparent 60%);background-size:260% 100%;background-position:120% 0;animation:shine 5s ease-in-out 1s infinite;pointer-events:none;z-index:-1}
@keyframes shine{0%{background-position:120% 0}40%,100%{background-position:-60% 0}}
.bankcard .wm{position:absolute;left:-40px;bottom:-50px;width:210px;height:210px;opacity:.18;pointer-events:none;z-index:-1}
.bc-top{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px;font-weight:700}
.bc-tag{font-size:11.5px;font-weight:600;border:1px solid color-mix(in srgb,var(--card-fg) 35%,transparent);padding:1px 8px;border-radius:999px}
.emv{width:46px;height:35px;border-radius:7px;background:linear-gradient(90deg,transparent 46%,var(--chip-line) 46% 54%,transparent 54%),linear-gradient(0deg,transparent 30%,var(--chip-line) 30% 35%,transparent 35% 65%,var(--chip-line) 65% 70%,transparent 70%),linear-gradient(135deg,var(--chip-a),var(--chip-b))}
.bankcard{container-type:inline-size}
.bc-no{font-family:var(--f-mono);font-weight:600;font-size:clamp(13px,6.4cqi,26px);letter-spacing:.08em;direction:ltr;text-align:left;white-space:nowrap}
.bc-holder{font-size:14px}
.bc-holder span{opacity:.7;font-size:12px;margin-inline-end:6px}
.copy-row{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--line-2);border-radius:8px;padding:8px 8px 8px 12px;background:var(--bg)}
.copy-row .val{font-family:var(--f-mono);font-weight:600;font-size:18px;direction:ltr;user-select:all;min-width:0;overflow-wrap:anywhere}
.mini-btn{border:1px solid var(--line-2);background:var(--surface);border-radius:6px;padding:5px 12px;font-size:13px;font-weight:700;cursor:pointer;flex:none}
.mini-btn:hover{border-color:var(--turq);color:var(--turq)}
.msgr{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:8px}
.msgr a{display:flex;align-items:center;justify-content:center;gap:8px;padding:9px 10px;border-radius:8px;border:1px solid var(--line-2);text-decoration:none;font-weight:700;font-size:14px;background:var(--bg);transition:border-color .2s,color .2s}
.msgr a::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--turq)}
.msgr a:hover{border-color:var(--turq);color:var(--turq)}

/* ---------- contact page ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.c-card{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:24px;display:flex;flex-direction:column;gap:12px;min-width:0}
.c-card.main{border-color:color-mix(in srgb,var(--turq) 55%,var(--line))}
.c-card h2{font-size:13.5px;font-weight:800;color:var(--turq)}
.c-card .big{font-size:19px;font-weight:700;line-height:1.7}
.c-card .phone{font-family:var(--f-mono);font-size:24px;font-weight:600;direction:ltr;text-align:right}
.c-card p{color:var(--muted);font-size:14.5px}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding-block:32px 40px;color:var(--muted);font-size:13.5px;background:var(--bg)}
.foot .wrap{display:grid;grid-template-columns:minmax(0,1.3fr) auto auto;gap:20px 40px;align-items:start}
.foot .brand-name{font-size:26px;color:var(--fg)}
.foot-nav{display:flex;flex-direction:column;gap:4px}
.foot-nav a{text-decoration:none}
.foot-nav a:hover{color:var(--turq)}
.foot-contact{display:flex;flex-direction:column;gap:4px}
.foot-contact .ltr{font-family:var(--f-mono);color:var(--fg);font-size:15px}
.foot .copy{grid-column:1/-1;border-top:1px dashed var(--line);padding-top:14px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 18px}
.foot .host a{color:var(--fg);text-decoration:none;font-family:var(--f-mono);font-size:12.5px;unicode-bidi:isolate}
.foot .host a:hover{color:var(--turq)}
@media (max-width:700px){.foot .wrap{grid-template-columns:1fr 1fr}.foot .foot-brand{grid-column:1/-1}}

/* ---------- mini cart drawer ---------- */
.scrim{position:fixed;inset:0;background:var(--scrim);z-index:60;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);animation:fade .25s ease}
@keyframes fade{from{opacity:0}}
.drawer{position:fixed;top:0;bottom:0;left:0;width:min(440px,100%);z-index:70;background:var(--bg);border-right:1px solid var(--line-2);display:flex;flex-direction:column;transform:translateX(-104%);visibility:hidden;transition:transform .4s cubic-bezier(.2,.8,.2,1),visibility 0s linear .4s;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);box-shadow:var(--shadow)}
.drawer.open{transform:none;visibility:visible;transition:transform .4s cubic-bezier(.2,.8,.2,1)}
.drawer.open .line{animation:enter .45s cubic-bezier(.2,.8,.2,1) both}
.drawer.open .line:nth-child(2){animation-delay:.05s}.drawer.open .line:nth-child(3){animation-delay:.1s}.drawer.open .line:nth-child(4){animation-delay:.15s}
.d-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line)}
.d-head h2{font-family:var(--f-display);font-size:32px;font-weight:700;line-height:1}
.x-btn{width:38px;height:38px;border-radius:8px;border:1px solid var(--line-2);background:transparent;font-size:22px;line-height:1;cursor:pointer;flex:none}
.x-btn:hover{border-color:var(--turq);color:var(--turq)}
.d-body{flex:1;overflow-y:auto;padding:18px 20px 24px;overscroll-behavior:contain;display:flex;flex-direction:column;gap:16px}
.d-foot{border-top:1px solid var(--line);padding:14px 20px;display:grid;gap:10px;background:var(--bg-2)}
.empty{text-align:center;padding:40px 10px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:14px}
.empty svg{width:64px;height:64px;opacity:.85}

/* ---------- cart bar, toast, flying signal ---------- */
.cartbar{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:50;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;border:0;border-radius:12px;background:var(--turq);color:var(--on-turq);font-weight:800;font-size:15px;box-shadow:var(--shadow);cursor:pointer;animation:slideup .35s cubic-bezier(.2,.8,.2,1)}
@keyframes slideup{from{transform:translateY(24px)}}
@media (min-width:821px){.cartbar{display:none}}
.toast{position:fixed;left:50%;top:calc(16px + env(safe-area-inset-top,0px));transform:translate(-50%,-14px);opacity:0;z-index:90;background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:8px;font-weight:700;font-size:14px;pointer-events:none;transition:opacity .25s,transform .25s;max-width:calc(100% - 32px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.fly{position:fixed;left:-7px;top:-7px;width:14px;height:14px;border-radius:50%;background:var(--turq);box-shadow:0 0 0 4px color-mix(in srgb,var(--turq) 25%,transparent),0 0 20px var(--turq);z-index:95;pointer-events:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  @view-transition{navigation:none}
}