/* Tirek — Kazakh sky-blue identity. Flag blue #00AFCA + steppe gold. */
:root{
  --ground:#FFFFFF; --alt:#F1F6F9; --surface:#FFFFFF; --sunk:#E8F1F5;
  --line:#D8E4EA; --line2:#A9C1CD;
  --ink:#08222E; --ink2:#37545F; --muted:#6A8492;
  --accent:#0A7A9B; --accent-d:#06617C; --accent-soft:#E1F1F6; --on-accent:#FFFFFF;
  --sky:#00AFCA; --deep:#063E52;
  --gold:#B7860F; --gold-soft:#FBF1DC;
  --good:#1C6B4A;
  --grad:linear-gradient(135deg,#063E52 0%,#0A7A9B 52%,#00AFCA 100%);
  --shadow:0 1px 2px rgba(8,34,46,.05), 0 12px 30px -22px rgba(8,34,46,.45);
  --shadow-lg:0 2px 6px rgba(8,34,46,.07), 0 26px 50px -30px rgba(8,34,46,.5);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#061419; --alt:#0A1F28; --surface:#0D2530; --sunk:#081A22;
    --line:#17323E; --line2:#2B5567;
    --ink:#E6F2F6; --ink2:#AFC9D3; --muted:#7E9BA8;
    --accent:#35BEDC; --accent-d:#6FD5EC; --accent-soft:#0B2C38; --on-accent:#04161C;
    --sky:#4FD3EC; --deep:#04222D;
    --gold:#E0B44E; --gold-soft:#241D0E;
    --good:#5FC08C;
    --grad:linear-gradient(135deg,#04222D 0%,#0A5E79 52%,#0E93AC 100%);
    --shadow:0 1px 2px rgba(0,0,0,.5), 0 14px 32px -24px rgba(0,0,0,.95);
    --shadow-lg:0 2px 8px rgba(0,0,0,.55), 0 28px 56px -32px rgba(0,0,0,1);
  }
}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
@media (max-width:640px){.wrap{padding:0 15px}}

/* ---------- header ---------- */
.bar{background:var(--ground);position:sticky;top:0;z-index:30;
  border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(0,0,0,.02)}
.bar::before{content:"";display:block;height:3px;background:var(--grad)}
.barin{display:flex;align-items:center;gap:18px;padding:11px 22px;flex-wrap:wrap}
.logo{display:flex;align-items:baseline;gap:9px;text-decoration:none;color:var(--ink);margin-right:auto}
.logo b{font-family:"PT Serif",Georgia,serif;font-size:24px;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo span{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--muted)}
.tabs ul{display:flex;gap:2px;list-style:none;margin:0;padding:0;overflow-x:auto}
.tabs a{display:block;padding:8px 12px;text-decoration:none;color:var(--ink2);font-size:14.5px;
  white-space:nowrap;border-radius:4px}
.tabs a:hover{background:var(--accent-soft);color:var(--accent)}
.tabs a[aria-current="page"]{color:var(--accent);font-weight:600;background:var(--accent-soft)}
.lang{text-decoration:none;color:var(--accent);font-size:14px;border:1px solid var(--line2);
  padding:6px 13px;border-radius:4px;white-space:nowrap;font-weight:500}
.lang:hover{background:var(--accent-soft);border-color:var(--accent)}
@media (max-width:860px){.barin{gap:10px}.tabs{order:3;width:100%}}

/* ---------- hero ---------- */
.hero-full{position:relative;overflow:hidden;isolation:isolate;margin-bottom:8px}
.hero-img{position:absolute;inset:0;background-size:cover;background-position:center;
  filter:saturate(.55) contrast(1.05);z-index:-3}
.hero-wash{position:absolute;inset:0;background:var(--grad);opacity:.9;z-index:-2}
.hero-orn{position:absolute;inset:0;z-index:-1;background-repeat:repeat;background-size:80px 80px}
.hero-inner{padding:76px 22px 66px;color:#fff}
.hero-inner h1{color:#fff;margin:0 0 16px;max-width:20ch;
  text-shadow:0 2px 24px rgba(0,20,30,.35)}
.hero-lead{color:rgba(255,255,255,.93);font-size:19.5px;max-width:60ch;margin:0 0 26px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:0}
.hero-inner .btn{background:#fff;color:var(--deep)}
.hero-inner .btn:hover{background:var(--gold-soft)}
.hero-inner .btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.hero-inner .btn.ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
@media (max-width:640px){.hero-inner{padding:52px 15px 46px}}

/* compact banner for interior pages */
.pagehead{position:relative;overflow:hidden;background:var(--grad);color:#fff;margin-bottom:26px}
.pagehead .hero-orn{position:absolute;inset:0;z-index:0}
.pagehead .inner{position:relative;z-index:1;padding:30px 22px 34px;display:flex;gap:18px;align-items:flex-start}
.pagehead h1{color:#fff;margin:0 0 8px}
.pagehead p{color:rgba(255,255,255,.92);margin:0;max-width:62ch}
.pagehead .ico{width:44px;height:44px;flex:0 0 44px;color:rgba(255,255,255,.92);margin-top:4px}
@media (max-width:640px){.pagehead .inner{padding:24px 15px 26px}.pagehead .ico{display:none}}

main{padding:26px 0 80px}
h1{font-family:"PT Serif",Georgia,serif;font-size:clamp(29px,4.5vw,44px);line-height:1.1;
  letter-spacing:-.02em;margin:0 0 16px;text-wrap:balance}
h2{font-family:"PT Serif",Georgia,serif;font-size:clamp(21px,2.8vw,29px);line-height:1.2;
  margin:42px 0 12px;text-wrap:balance}
h3{font-size:16.5px;margin:0 0 7px;font-weight:600}
p{margin:0 0 15px;max-width:70ch;color:var(--ink2)}
.lead{font-size:19px;color:var(--ink);max-width:64ch}
a{color:var(--accent)}
.crumb{font-size:13.5px;color:var(--muted);margin:0 0 18px}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--accent);text-decoration:underline}
.note{font-size:14.5px;color:var(--ink2);background:var(--gold-soft);
  border-left:3px solid var(--gold);padding:13px 17px;max-width:none;border-radius:0 4px 4px 0}

/* ornamental divider */
.orn-rule{color:var(--gold);margin:30px 0 6px;opacity:.85}
.orn-rule svg{width:170px;height:16px;display:block}

.btn{display:inline-block;background:var(--accent);color:var(--on-accent);text-decoration:none;
  padding:12px 24px;border-radius:4px;font-weight:600;font-size:16px;
  box-shadow:0 6px 18px -10px rgba(10,122,155,.9);transition:transform .12s,background .15s}
.btn:hover{background:var(--accent-d);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--accent);border:1.5px solid var(--line2);box-shadow:none}
.btn.ghost:hover{background:var(--accent-soft);border-color:var(--accent)}

/* ---------- trust ---------- */
.trust{margin:36px 0}
.tgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.tcard{background:var(--surface);padding:19px 21px;position:relative}
.tcard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  opacity:0;transition:opacity .15s}
.tcard:hover::before{opacity:1}
.tcard h3{color:var(--ink)}
.tcard p{font-size:14.5px;margin:0;color:var(--ink2)}

/* ---------- category cards ---------- */
.cgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:15px;margin:22px 0 10px}
.ccard{display:block;background:var(--surface);border:1px solid var(--line);padding:20px;
  text-decoration:none;box-shadow:var(--shadow);border-radius:6px;position:relative;overflow:hidden;
  transition:transform .14s,box-shadow .14s,border-color .14s}
.ccard::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .22s}
.ccard:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--line2)}
.ccard:hover::after{transform:scaleX(1)}
.ccard .ico{width:30px;height:30px;color:var(--accent);margin-bottom:10px;display:block}
.ccard h3{color:var(--ink);font-size:17.5px}
.ccard p{font-size:14px;color:var(--ink2);margin:0}
.ccard .n{display:inline-block;margin-top:10px;font-family:"IBM Plex Mono",monospace;
  font-size:12px;color:var(--gold);font-weight:500}

/* ---------- brand strip ---------- */
.brandstrip{margin:24px 0 0;padding:13px 17px;background:var(--alt);border:1px solid var(--line);
  border-radius:6px;font-size:14px;color:var(--muted);line-height:1.95}
.brandstrip span{margin-right:6px}
.brandstrip b{color:var(--ink);font-weight:600;white-space:nowrap}

/* ---------- parts table ---------- */
.tablehead{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:28px 0 10px}
.filter{flex:1 1 260px;max-width:350px;padding:11px 14px;border:1px solid var(--line2);border-radius:5px;
  background:var(--surface);color:var(--ink);font-size:15px;font-family:inherit}
.filter:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.count{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.count b{color:var(--accent)}
.tw{overflow-x:auto;border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow);border-radius:6px}
table.parts{border-collapse:collapse;width:100%;min-width:600px;font-size:14.5px}
table.parts th{text-align:left;font-size:11px;letter-spacing:.09em;text-transform:uppercase;
  color:#fff;font-weight:600;padding:12px 15px;background:var(--deep);white-space:nowrap;
  position:sticky;top:0}
table.parts td{padding:10px 15px;border-bottom:1px solid var(--line);color:var(--ink2)}
table.parts tbody tr:nth-child(even){background:var(--sunk)}
table.parts tbody tr:hover{background:var(--accent-soft)}
table.parts tr:last-child td{border-bottom:0}
td.brand{color:var(--ink);white-space:nowrap;font-weight:500}
td.cn{font-family:"IBM Plex Mono",monospace;font-weight:500;color:var(--accent);white-space:nowrap}
td.mono{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;white-space:nowrap}
a.ask{color:var(--gold);text-decoration:none;font-size:13.5px;white-space:nowrap;font-weight:500}
a.ask:hover{text-decoration:underline}
tr.hide{display:none}

/* ---------- form ---------- */
.formbox{margin:48px 0 0;background:var(--alt);border:1px solid var(--line);padding:26px;
  border-radius:8px;position:relative;overflow:hidden}
.formbox::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.formbox h2{margin:6px 0 14px}
form.lead{max-width:780px}
form.lead .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:640px){form.lead .row{grid-template-columns:1fr}}
form.lead label{display:block;font-size:14px;color:var(--ink2);margin:0 0 13px}
form.lead input,form.lead textarea{width:100%;margin-top:5px;padding:11px 13px;
  border:1px solid var(--line2);border-radius:5px;background:var(--surface);color:var(--ink);
  font:inherit;font-size:15px}
form.lead input:focus,form.lead textarea:focus{outline:2px solid var(--accent);outline-offset:1px;
  border-color:var(--accent)}
form.lead button{background:var(--grad);color:#fff;border:0;padding:13px 30px;border-radius:5px;
  font:inherit;font-weight:600;font-size:16px;cursor:pointer;
  box-shadow:0 8px 22px -12px rgba(10,122,155,1)}
form.lead button:hover{filter:brightness(1.08)}
form.lead button[disabled]{opacity:.6;cursor:default}
.hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important}
.formmsg{margin:13px 0 0;font-size:15px;min-height:1.2em}
.formmsg.ok{color:var(--good);font-weight:600}
.formmsg.err{color:var(--gold);font-weight:600}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);background:var(--alt);padding:26px 0 42px;margin-top:64px;
  position:relative}
.foot::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad)}
.foot p{font-size:13.5px;color:var(--muted);margin:0 0 6px}
.foot a{color:var(--accent)}
.credit{font-size:12px;color:var(--muted);opacity:.8}

@media (prefers-reduced-motion:reduce){*{transition:none!important;transform:none!important}}