/* Layout: spec-sheet catalogue. Sticky header, category index tiles on home, filter rail + dense cards/table on category pages. Navy ink from the ArmComputer logo, one electric-blue accent. */
:root{
  --bg:#f3f5fb; --surface:#ffffff; --surface-2:#eaeef9; --ink:#0c1440; --muted:#5b6485; --line:#d9dff0;
  --accent:#2540d9; --accent-ink:#ffffff; --accent-soft:#e3e8ff; --hero-a:#0b1448; --hero-b:#16256f; --hero-ink:#f2f4ff; --hero-muted:#aab4e6;
  --ok:#0d7a4f; --ok-soft:#dcf4e8; --warn:#9a5b00; --warn-soft:#fdeccb; --shadow:0 1px 2px rgba(12,20,64,.06),0 6px 18px rgba(12,20,64,.06);
  --f-body:'Onest','Noto Sans Armenian',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-mono:'JetBrains Mono','Noto Sans Armenian',ui-monospace,Menlo,Consolas,monospace;
  --r:10px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#080c20; --surface:#101634; --surface-2:#18204a; --ink:#e9edff; --muted:#9aa5d3; --line:#232c5b;
  --accent:#8196ff; --accent-ink:#080c20; --accent-soft:#1c2760; --hero-a:#0a1038; --hero-b:#1a2a80;
  --ok:#5fd6a1; --ok-soft:#10382a; --warn:#f2b955; --warn-soft:#3a2a0a; --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 18px rgba(0,0,0,.35); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#080c20; --surface:#101634; --surface-2:#18204a; --ink:#e9edff; --muted:#9aa5d3; --line:#232c5b;
  --accent:#8196ff; --accent-ink:#080c20; --accent-soft:#1c2760; --hero-a:#0a1038; --hero-b:#1a2a80;
  --ok:#5fd6a1; --ok-soft:#10382a; --warn:#f2b955; --warn-soft:#3a2a0a; --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 18px rgba(0,0,0,.35); color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5;padding-block:0;padding-left:0;padding-right:0}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--surface)}
a{color:inherit}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1320px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
svg.i{width:1.25em;height:1.25em;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;padding-block:10px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;flex:none}
.logo-i{width:34px;height:34px;flex:none}
.wm{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1}
.wm b{color:var(--accent)}
.search{flex:1;min-width:0;position:relative;max-width:640px}
.search input{width:100%;height:42px;border:1px solid var(--line);background:var(--surface-2);border-radius:999px;padding:0 16px 0 42px;outline:none}
.search input:focus{border-color:var(--accent);background:var(--surface)}
.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted)}
.tools{display:flex;align-items:center;gap:8px;margin-left:auto}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang button{border:0;background:transparent;padding:6px 11px;font-size:12.5px;font-weight:600;color:var(--muted);letter-spacing:.04em}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--surface)}
.tel{font-family:var(--f-mono);font-size:13px;font-weight:500;text-decoration:none;white-space:nowrap;color:var(--ink);display:flex;gap:6px;align-items:center}
.navbtn{display:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;height:42px;padding:0 14px;align-items:center;gap:8px;font-weight:600}

/* hero */
.hero{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));color:var(--hero-ink);position:relative;overflow:hidden}
.hero svg.orbit{position:absolute;right:-120px;top:50%;width:760px;max-width:none;transform:translateY(-50%) rotate(-14deg);opacity:.55;pointer-events:none}
.hero .wrap{position:relative;padding-block:48px 44px}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--hero-muted)}
.hero h1{font-size:clamp(28px,4.2vw,50px);line-height:1.1;margin:10px 0 14px;font-weight:800;letter-spacing:-.01em;max-width:18ch;text-wrap:balance}
.hero p{max-width:56ch;color:var(--hero-muted);margin:0 0 22px;font-size:16px}
.stats{display:flex;gap:28px;flex-wrap:wrap}
.stat b{display:block;font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1}
.stat span{font-size:12.5px;color:var(--hero-muted)}

/* sections */
main{padding-block:28px 56px;min-height:60vh}
h2.sec{font-size:13px;font-family:var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 14px;font-weight:600}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.tile{display:flex;flex-direction:column;gap:14px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;transition:border-color .15s,transform .15s,box-shadow .15s;min-width:0}
.tile:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}
.tile .ic{width:44px;height:44px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.tile .ic svg{width:24px;height:24px}
.tile h3{margin:0;font-size:16px;line-height:1.25;font-weight:650;text-wrap:balance}
.tile .meta{display:flex;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--muted);margin-top:auto;font-variant-numeric:tabular-nums}
.tile .meta b{font-family:var(--f-mono);font-weight:600;color:var(--ink)}

/* catalogue page */
.crumbs{font-size:13px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--accent)}
.pagehead{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.pagehead h1{margin:0;font-size:clamp(24px,3vw,34px);line-height:1.15;font-weight:750;text-wrap:balance}
.pagehead .count{color:var(--muted);font-size:14px}
.layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}
.rail{position:sticky;top:calc(72px + env(safe-area-inset-top,0px));display:flex;flex-direction:column;gap:14px;max-height:calc(100vh - 90px);overflow:auto;padding-right:4px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.panel h4{margin:0 0 10px;font-size:12px;font-family:var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.catlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.catlist a{display:flex;justify-content:space-between;gap:8px;padding:6px 8px;border-radius:8px;text-decoration:none;font-size:14px}
.catlist a:hover{background:var(--surface-2)}
.catlist a[aria-current="page"]{background:var(--accent-soft);color:var(--accent);font-weight:600}
.catlist span{font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.chk{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:14px;cursor:pointer}
.chk input{accent-color:var(--accent);width:16px;height:16px;margin:0}
.chk span.n{margin-left:auto;font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.chk label{display:flex;gap:8px;align-items:center;flex:1;min-width:0}
.facet{max-height:220px;overflow:auto}
.range{display:flex;gap:8px;align-items:center}
.range input{width:100%;min-width:0;height:36px;border:1px solid var(--line);background:var(--surface-2);border-radius:8px;padding:0 10px;font-family:var(--f-mono);font-size:13px}
.linkbtn{background:none;border:0;color:var(--accent);padding:0;font-weight:600;font-size:13px;text-decoration:underline;text-underline-offset:3px}
.bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.bar .sp{flex:1}
.sel{height:38px;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:0 10px}
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface)}
.seg button{border:0;background:transparent;width:38px;height:36px;display:grid;place-items:center;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--surface)}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 12px;font-size:13px;display:flex;gap:6px;align-items:center}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}

/* product cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;min-width:0;overflow:hidden;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.card .top2{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 14px;background:var(--surface-2);border-bottom:1px solid var(--line)}
.brandtag{font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .top2 svg{color:var(--accent);width:22px;height:22px}
.card .ph{background:#fff;aspect-ratio:4/3;display:grid;place-items:center;border-bottom:1px solid var(--line)}
.card .ph img{max-width:100%;max-height:100%;object-fit:contain}
.card .body{padding:14px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{margin:0;font-size:16px;line-height:1.3;font-family:var(--f-mono);font-weight:600;overflow-wrap:anywhere}
.card .grp{margin:-4px 0 0;font-size:12.5px;color:var(--muted)}
.card dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 12px;font-size:13px}
.card dt{color:var(--muted)}
.card dd{margin:0;text-align:right;overflow-wrap:anywhere}
.card .foot{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;padding:12px 14px;border-top:1px solid var(--line);margin-top:auto}
.price{font-family:var(--f-mono);font-size:21px;font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums}
.price small{display:block;font-family:var(--f-body);font-size:11.5px;color:var(--muted);font-weight:400;margin-top:3px}
.price.ask{font-family:var(--f-body);font-size:14px;font-weight:600;color:var(--muted)}
.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:12px;background:var(--ok-soft);color:var(--ok);font-weight:600;white-space:nowrap}
.btn{border:0;background:var(--accent);color:var(--accent-ink);border-radius:8px;padding:8px 14px;font-weight:600;font-size:13.5px;white-space:nowrap}
.btn:hover{filter:brightness(1.1)}
.btn.ghost{background:var(--surface-2);color:var(--ink);border:1px solid var(--line)}

/* table view */
.tablewrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;font-size:13.5px}
th{position:sticky;top:0;text-align:left;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:10px 12px;background:var(--surface-2);border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
tr.row{cursor:pointer}tr.row:hover td{background:var(--surface-2)}
td.m{font-family:var(--f-mono);font-weight:600}
td.s{color:var(--muted);max-width:520px}
td.p{font-family:var(--f-mono);font-weight:600;text-align:right;white-space:nowrap}
.more{display:flex;justify-content:center;margin-top:18px}
.empty{padding:48px 16px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--line);border-radius:var(--r)}

/* modal */
.ov{position:fixed;inset:0;background:rgba(6,10,30,.62);z-index:80;display:flex;align-items:flex-start;justify-content:center;overflow:auto;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 24px max(16px,env(safe-area-inset-left,0px))}
.modal{background:var(--surface);border-radius:14px;max-width:760px;width:100%;margin-block:4vh;box-shadow:0 24px 80px rgba(0,0,0,.4);position:relative}
.modal header{padding:20px 22px 14px;border-bottom:1px solid var(--line);display:flex;gap:12px;justify-content:space-between;align-items:flex-start}
.modal h2{margin:2px 0 0;font-family:var(--f-mono);font-size:22px;line-height:1.25;overflow-wrap:anywhere}
.x{border:1px solid var(--line);background:var(--surface-2);width:36px;height:36px;border-radius:999px;display:grid;place-items:center;flex:none}
.modal .mb{padding:18px 22px 22px;display:flex;flex-direction:column;gap:18px}
.modal .desc{margin:0;line-height:1.65;font-size:15px;max-width:68ch}
.spectable{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.spectable div{display:grid;grid-template-columns:minmax(120px,38%) minmax(0,1fr);gap:12px;padding:9px 14px;font-size:14px}
.spectable div:nth-child(odd){background:var(--surface-2)}
.spectable dt{color:var(--muted)}.spectable dd{margin:0;overflow-wrap:anywhere;font-weight:500}
.buy{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 16px;background:var(--accent-soft);border-radius:10px}
.buy .price{font-size:28px}
.contactline{font-family:var(--f-mono);font-size:13.5px;display:flex;gap:6px 16px;flex-wrap:wrap}

/* admin */
.admin{max-width:720px}
.drop{border:2px dashed var(--line);border-radius:14px;background:var(--surface);padding:40px 20px;text-align:center;transition:border-color .15s,background .15s}
.drop.on{border-color:var(--accent);background:var(--accent-soft)}
.drop p{margin:6px 0 16px;color:var(--muted)}
.msg{margin-top:14px;padding:12px 14px;border-radius:10px;font-size:14px}
.msg.ok{background:var(--ok-soft);color:var(--ok)}.msg.err{background:var(--warn-soft);color:var(--warn)}
.help{margin-top:22px;font-size:14px;color:var(--muted)}
.help li{margin:4px 0}

footer{background:var(--hero-a);color:var(--hero-ink);padding-block:34px}
footer .wrap{display:flex;gap:28px 56px;flex-wrap:wrap;justify-content:space-between}
footer h5{margin:0 0 8px;font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--hero-muted);font-weight:600}
footer p{margin:2px 0;font-family:var(--f-mono);font-size:14px}
footer a{color:var(--hero-muted);font-size:13px}

@media (max-width:900px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .rail{position:static;max-height:none;overflow:visible;display:none}
  .rail.open{display:flex}
  .navbtn{display:inline-flex}
  .tel{display:none}
}
@media (max-width:640px){
  .top .wrap{flex-wrap:wrap;gap:10px}
  .search{order:3;flex-basis:100%;max-width:none}
  .wm{font-size:19px}.logo-i{width:30px;height:30px}
  .hero svg.orbit{opacity:.3;right:-300px}
  .spectable div{grid-template-columns:1fr;gap:2px}
  .stat b{font-size:24px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

.callbar{background:var(--hero-a);color:var(--hero-ink)}
.callbar .wrap{display:flex;justify-content:flex-end;padding-block:6px}
.callbar a{display:flex;align-items:center;gap:8px;text-decoration:none;font-family:var(--f-mono);font-size:14px;letter-spacing:.02em}
.callbar b{font-weight:600}
.callfab{display:none;position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));width:54px;height:54px;border-radius:50%;background:var(--accent);color:var(--accent-ink);align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.3);z-index:55}
.callfab svg{width:24px;height:24px}
@media(max-width:900px){.callfab{display:flex}.callbar .wrap{justify-content:center}.tel{display:none}}

a.card{text-decoration:none;color:inherit}
.card .ph{background:#fff;aspect-ratio:4/3;display:grid;place-items:center;border-bottom:1px solid var(--line)}
.card .ph img{max-width:100%;max-height:100%;object-fit:contain}
.lang a{padding:6px 11px;font-size:12.5px;font-weight:600;color:var(--muted);letter-spacing:.04em;text-decoration:none;display:block}
.lang a[aria-current="true"]{background:var(--ink);color:var(--surface)}
.pp{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:28px;align-items:start;margin-bottom:28px}
.pp-img{background:#fff;border:1px solid var(--line);border-radius:var(--r);aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;color:var(--accent)}
.pp-img img{max-width:100%;max-height:100%;object-fit:contain}
.pp-img svg{width:96px;height:96px;stroke-width:1.2}
.pp h1{margin:6px 0 10px;font-size:clamp(24px,3vw,34px);line-height:1.2;font-weight:750;overflow-wrap:anywhere}
.pp .desc{line-height:1.7;max-width:68ch;margin:16px 0}
.pp .buy{margin-top:16px}
.hide{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.suggest{position:absolute;left:0;right:0;top:46px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;z-index:70}
.suggest a{display:block;padding:9px 14px;text-decoration:none;font-size:14px;border-bottom:1px solid var(--line)}
.suggest a:hover{background:var(--surface-2)}
.suggest small{color:var(--muted);margin-left:6px}
.intro{max-width:78ch;color:var(--muted);margin:0 0 18px}
.footcats{display:flex;gap:6px 18px;flex-wrap:wrap;margin-top:6px;max-width:760px}
.footcats a{font-size:13px;text-decoration:none;color:var(--hero-muted)}
@media(max-width:800px){.pp{grid-template-columns:minmax(0,1fr)}}