@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/fonts/barlowcondensed-700-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/fonts/barlowcondensed-700-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(/assets/fonts/manrope-400-800-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(/assets/fonts/manrope-400-800-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(/assets/fonts/manrope-400-800-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(/assets/fonts/manrope-400-800-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Noto Sans Arabic';
  font-style: normal;
  font-weight: 400 800;
  font-stretch: 100%;
  font-display: swap;
  src: url(/assets/fonts/notosansarabic-400-800-arabic.woff2) format('woff2');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC7, U+10EC9-10EEE, U+10EF0-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1;
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/fonts/robotocondensed-700-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/fonts/robotocondensed-700-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
:root{--bg:#0d1014;--bg2:#13171d;--bg3:#1a2028;--line:#262e38;--txt:#e7ebf0;--mut:#9aa6b4;--acc:#4a7fb8;--acc2:#7fa9d6;--steel:linear-gradient(135deg,#dfe6ee 0%,#9aa7b6 45%,#eef2f6 60%,#7d8a99 100%);--r:14px;--max:1200px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);font:400 16px/1.65 Manrope,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--acc2);text-decoration:none}a:hover{color:#fff}
h1,h2,h3{font-family:"Barlow Condensed",Manrope,sans-serif;font-weight:700;line-height:1.08;letter-spacing:.01em;margin:0 0 .5em}
h1{font-size:clamp(2.4rem,7vw,4.6rem)}h2{font-size:clamp(1.9rem,4.4vw,3rem)}h3{font-size:1.45rem}
p{margin:0 0 1em;color:var(--mut)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;z-index:99;background:#fff;color:#000;padding:8px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:700 .78rem/1 Manrope;letter-spacing:.2em;text-transform:uppercase;color:var(--acc2);margin-bottom:16px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--acc)}
.metal{background:var(--steel);-webkit-background-clip:text;background-clip:text;color:transparent}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(13,16,20,.86);backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo img{height:38px;width:auto}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.nav a{display:block;padding:10px 14px;color:var(--txt);font-weight:600;font-size:.93rem;border-radius:8px}
.nav a:hover,.nav a[aria-current=page]{background:var(--bg3);color:#fff}
.nav a[aria-current=page]{box-shadow:inset 0 -2px 0 var(--acc)}
.hdr-cta{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:10px;font-weight:700;font-size:.95rem;border:1px solid transparent;transition:.2s;cursor:pointer;font-family:inherit}
.btn-p{background:var(--acc);color:#fff}.btn-p:hover{background:#5b90ca;color:#fff}
.btn-g{border-color:#3a4553;color:var(--txt);background:transparent}.btn-g:hover{border-color:var(--acc2);color:#fff}
.btn-sm{padding:9px 14px;font-size:.85rem}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:44px;color:#fff;cursor:pointer}
.burger span,.burger span::before,.burger span::after{display:block;width:20px;height:2px;background:#fff;margin:auto;position:relative;content:""}
.burger span::before{position:absolute;top:-6px}.burger span::after{position:absolute;top:6px}
@media (max-width:1220px){
 .burger{display:block}.hdr-cta .btn-p{display:none}
 .nav{position:fixed;inset:68px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--line);display:none}
 .nav.open{display:block}.nav ul{flex-direction:column;padding:12px 20px 20px}.nav a{padding:14px 8px;font-size:1.05rem}
}
/* hero */
.hero{position:relative;overflow:hidden;min-height:min(88vh,760px);display:flex;align-items:center;border-bottom:1px solid var(--line)}
.hero picture,.hero>img{position:absolute;inset:0}
.hero picture img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,16,20,.96) 0%,rgba(13,16,20,.82) 45%,rgba(13,16,20,.35) 100%),linear-gradient(0deg,rgba(13,16,20,.9),transparent 40%)}
.hero .wrap{position:relative;z-index:2;padding-top:80px;padding-bottom:80px;width:100%}
.hero h1{max-width:820px}.hero .lead{font-size:1.15rem;max-width:620px;color:#c3ccd6}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.facts{display:flex;flex-wrap:wrap;gap:12px 36px;margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);max-width:760px}
.facts div{font-size:.88rem;color:var(--mut)}.facts b{display:block;color:#fff;font:700 1.25rem/1.2 "Barlow Condensed",sans-serif;letter-spacing:.03em}
.phead{padding:72px 0 44px;background:radial-gradient(1000px 300px at 80% -20%,rgba(74,127,184,.25),transparent),var(--bg2);border-bottom:1px solid var(--line)}
.phead p{max-width:720px;font-size:1.08rem}
.crumbs{font-size:.85rem;color:var(--mut);margin-bottom:18px}.crumbs a{color:var(--mut)}.crumbs a:hover{color:#fff}
/* sections */
section.sec{padding:84px 0}.sec.alt{background:var(--bg2);border-block:1px solid var(--line)}
.sec-h{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:36px;flex-wrap:wrap}.sec-h p{max-width:560px;margin:0}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.card{background:var(--bg3);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:.25s;position:relative}
.card:hover{border-color:#3d4a59;transform:translateY(-2px)}
.card h3{color:#fff}.card p{margin:0}
.num{font:700 .8rem/1 Manrope;color:var(--acc2);letter-spacing:.15em;margin-bottom:14px;display:block}
.fam{display:block;overflow:hidden;border-radius:var(--r);border:1px solid var(--line);background:var(--bg3);color:var(--txt);transition:.25s}
.fam:hover{border-color:var(--acc);color:var(--txt);transform:translateY(-3px)}
.fam .ph{aspect-ratio:4/3;overflow:hidden;background:#0b0d10}.fam .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.fam:hover .ph img{transform:scale(1.05)}
.fam .tx{padding:22px}.fam h3{margin-bottom:6px;color:#fff}.fam p{margin:0 0 12px;font-size:.95rem}
.more{font-weight:700;color:var(--acc2);font-size:.9rem}
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:32px}}
.split .media{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3.4;max-height:560px}
.split .media img{width:100%;height:100%;object-fit:cover}
.checks{list-style:none;padding:0;margin:18px 0 26px;display:grid;gap:10px}
.checks li{padding-left:30px;position:relative;color:#d5dbe2}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:9px;border-left:2px solid var(--acc2);border-bottom:2px solid var(--acc2);transform:rotate(-45deg)}
.steps{counter-reset:s}.steps .card::before{counter-increment:s;content:"0" counter(s);font:700 2.6rem/1 "Barlow Condensed";color:transparent;-webkit-text-stroke:1px #4a5868;display:block;margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chips li{border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:6px 12px;font-size:.84rem;color:#cdd5de}
.cta{background:linear-gradient(120deg,#16304d 0%,#1a2028 60%);border:1px solid #2b3f57;border-radius:20px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta h2{margin:0 0 8px}.cta p{margin:0;color:#c3ccd6}
/* products */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px;position:sticky;top:68px;z-index:5;background:var(--bg);padding:14px 0;border-bottom:1px solid var(--line)}
.tabs a{padding:8px 14px;border:1px solid var(--line);border-radius:999px;color:var(--txt);font-weight:600;font-size:.88rem}
.tabs a:hover{border-color:var(--acc)}
.tabs small{color:var(--mut);margin-left:4px}
.cat{padding:56px 0 20px;scroll-margin-top:140px}
.cat-h{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:end;margin-bottom:24px}
.pgrid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(min(100%,270px),1fr))}
.pc{display:flex;flex-direction:column;background:var(--bg3);border:1px solid var(--line);border-radius:12px;overflow:hidden;color:var(--txt);transition:.2s}
.pc:hover{border-color:var(--acc);color:var(--txt);transform:translateY(-2px)}
.pc .pi{background:linear-gradient(180deg,#f4f6f9,#dfe5ec);height:110px;display:flex;align-items:center;justify-content:center;padding:16px}
.pc .pi img{max-height:78px;width:auto;object-fit:contain;mix-blend-mode:multiply}
.pc .pt{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.pc h3{font-size:1.3rem;margin:0;color:#fff}.pc .d{font-size:.9rem;color:var(--mut);margin:0}
.spec{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:8px}
.spec span{font-size:.76rem;font-weight:700;border-radius:6px;padding:4px 8px;background:#0f1318;border:1px solid var(--line);color:#cfd7e0}
.spec span.c{color:var(--acc2);border-color:#2b4058}
.legend{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,190px),1fr));gap:10px}
.legend div{background:var(--bg3);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.legend b{display:block;color:#fff;font:700 1.15rem "Barlow Condensed"}.legend span{font-size:.85rem;color:var(--mut)}
.iso{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.iso div{border-radius:10px;padding:12px;text-align:center;color:#fff;font-size:.82rem}
.iso b{display:block;font:700 1.6rem/1 "Barlow Condensed"}
@media(max-width:640px){.iso{grid-template-columns:repeat(3,1fr)}}
/* product detail */
.pd{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start}
@media(max-width:900px){.pd{grid-template-columns:1fr}}
.pd .pimg{background:linear-gradient(180deg,#f4f6f9,#d9e0e8);border-radius:var(--r);padding:40px 28px;display:flex;align-items:center;justify-content:center;min-height:240px}
.pd .pimg img{mix-blend-mode:multiply;max-height:200px;width:auto}
table.st{width:100%;border-collapse:collapse;font-size:.95rem}
table.st th,table.st td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
table.st th{color:var(--mut);font-weight:600;width:44%}
table.st td{color:#fff;font-weight:700}
/* drawings */
.draw{background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
figure{margin:0}figcaption{font-size:.85rem;color:var(--mut);padding:10px 2px}
/* contact */
.ci{display:grid;gap:14px}.ci .card{display:flex;gap:16px;align-items:flex-start;padding:20px}
.ci svg{flex:none;width:22px;height:22px;color:var(--acc2);margin-top:3px}
.ci h3{font-size:1.05rem;margin:0 0 2px;font-family:Manrope;font-weight:700;color:var(--mut);letter-spacing:.04em}
.ci p,.ci a{margin:0;color:#fff;font-weight:600}
form.f{display:grid;gap:14px;grid-template-columns:1fr 1fr}
form.f .full{grid-column:1/-1}
@media(max-width:640px){form.f{grid-template-columns:1fr}}
label{display:block;font-size:.85rem;font-weight:600;color:#cfd7e0;margin-bottom:6px}
input,select,textarea{width:100%;background:var(--bg);border:1px solid #333e4b;color:#fff;border-radius:10px;padding:13px 14px;font:inherit;font-size:16px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--acc);border-color:transparent}
textarea{min-height:150px;resize:vertical}
.note{font-size:.82rem;color:#c9a96a;background:rgba(201,169,106,.08);border:1px dashed rgba(201,169,106,.45);border-radius:10px;padding:10px 12px}
.map{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/8;background:var(--bg3)}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(.3) contrast(1.05)}
@media(max-width:640px){.map{aspect-ratio:4/3}}
/* prose */
.prose{max-width:780px}.prose h2{font-size:1.6rem;margin-top:1.6em}.prose p,.prose li{color:#c3ccd6}
/* footer */
.ftr{background:#090b0e;border-top:1px solid var(--line);padding:64px 0 28px;font-size:.93rem}
.ftr .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
@media(max-width:900px){.ftr .cols{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.ftr .cols{grid-template-columns:1fr}}
.ftr h2{font:700 .8rem/1 Manrope;letter-spacing:.18em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.ftr a{color:var(--mut)}.ftr a:hover{color:#fff}
.ftr address{font-style:normal;color:var(--mut)}
.ftr .bot{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#8691a0;font-size:.84rem}
.wa{position:fixed;right:18px;bottom:18px;z-index:60;width:54px;height:54px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.wa svg{width:28px;height:28px;color:#fff}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

.draw img{width:100%;height:auto;display:block}
.cta .acts{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:600px){
.tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin:0 -20px 8px;padding:12px 20px;top:60px}
.tabs::-webkit-scrollbar{display:none}.tabs a{white-space:nowrap;flex:none}
.pgrid{grid-template-columns:1fr 1fr;gap:10px}
.pc .pi{height:72px;padding:10px}.pc .pi img{max-height:50px}
.pc .pt{padding:10px 12px 12px;gap:4px}.pc h3{font-size:1.05rem}.pc .d{font-size:.8rem}
.spec span{font-size:.68rem;padding:3px 6px}.spec span:nth-child(n+4){display:none}
}

/* i18n: language switcher, RTL, scripts */
.sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
caption.sr{position:absolute}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:8px;font-weight:700;font-size:.85rem;color:var(--txt);user-select:none}
.lang summary::-webkit-details-marker{display:none}.lang summary::marker{content:""}
.lang summary:hover,.lang[open] summary{border-color:var(--acc);color:#fff}
.lang summary:focus-visible{outline:2px solid var(--acc2);outline-offset:2px}
.lang summary svg{width:18px;height:18px;flex:none}
.lang ul{position:absolute;top:calc(100% + 8px);inset-inline-end:0;min-width:180px;list-style:none;margin:0;padding:6px;background:var(--bg2);border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 30px rgba(0,0,0,.5);z-index:70}
.lang a{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;border-radius:6px;color:var(--txt);font-weight:600;font-size:.95rem}
.lang a:hover,.lang a:focus-visible,.lang a[aria-current]{background:var(--bg3);color:#fff}
.lang a[aria-current]{box-shadow:inset 3px 0 0 var(--acc)}
.lang a small{color:var(--mut);font-size:.75rem;font-weight:700}
.lang a[lang=ar]{font-family:"Noto Sans Arabic",Manrope,sans-serif}
.lang a[lang=fa]{font-family:"Noto Sans Arabic",Manrope,sans-serif}
h1,h2,h3{overflow-wrap:break-word;hyphens:auto}
.meta{font-size:.9rem;color:var(--mut);margin-top:14px}
.prose h2{color:#fff}.prose ul{padding-inline-start:22px}
@media (max-width:420px){.hdr-cta{gap:8px}.lang summary{padding:0 9px}.logo img{height:34px;width:auto}}
[dir=rtl] .skip{left:auto;right:-999px}[dir=rtl] .skip:focus{right:10px}
[dir=rtl] .checks li{padding-left:0;padding-right:30px}
[dir=rtl] .checks li::before{left:auto;right:0}
[dir=rtl] .tabs small{margin-left:0;margin-right:4px}
[dir=rtl] table.st th,[dir=rtl] table.st td{text-align:right}
[dir=rtl] .wa{right:auto;left:18px}
[dir=rtl] .lang a[aria-current]{box-shadow:inset -3px 0 0 var(--acc)}
[dir=rtl] .hero::after{background:linear-gradient(270deg,rgba(13,16,20,.96) 0%,rgba(13,16,20,.82) 45%,rgba(13,16,20,.35) 100%),linear-gradient(0deg,rgba(13,16,20,.9),transparent 40%)}
[lang=ar] body,[lang=ar] input,[lang=ar] select,[lang=ar] textarea,[lang=ar] .btn{font-family:"Noto Sans Arabic",Manrope,system-ui,sans-serif}
[lang=fa] body,[lang=fa] input,[lang=fa] select,[lang=fa] textarea,[lang=fa] .btn{font-family:"Noto Sans Arabic",Manrope,system-ui,sans-serif}
[lang=ar] h1,[lang=ar] h2,[lang=ar] h3,[lang=ar] .eyebrow,[lang=ar] .num,[lang=ar] .ftr h2,[lang=ar] .facts b,[lang=ar] .ci h3{font-family:"Noto Sans Arabic","Barlow Condensed",Manrope,sans-serif;letter-spacing:0;text-transform:none}
[lang=fa] h1,[lang=fa] h2,[lang=fa] h3,[lang=fa] .eyebrow,[lang=fa] .num,[lang=fa] .ftr h2,[lang=fa] .facts b,[lang=fa] .ci h3{font-family:"Noto Sans Arabic","Barlow Condensed",Manrope,sans-serif;letter-spacing:0;text-transform:none}
[lang=ar] h1,[lang=ar] h2,[lang=ar] h3{line-height:1.35}
[lang=fa] h1,[lang=fa] h2,[lang=fa] h3{line-height:1.35}
[lang=ar] h1{font-size:clamp(2rem,5.4vw,3.6rem)}[lang=ar] h2{font-size:clamp(1.6rem,3.6vw,2.5rem)}[lang=ar] h3{font-size:1.25rem}
[lang=fa] h1{font-size:clamp(2rem,5.4vw,3.6rem)}[lang=fa] h2{font-size:clamp(1.6rem,3.6vw,2.5rem)}[lang=fa] h3{font-size:1.25rem}
[lang=ar] .eyebrow{font-size:.9rem}
[lang=fa] .eyebrow{font-size:.9rem}
[lang=ru] h1{font-size:clamp(2.2rem,6vw,4.2rem)}
[lang=de] h1,[lang=ru] h1{hyphens:auto}
.prose p a,.prose li a{text-decoration:underline;text-underline-offset:3px}
.ftr .social{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0;padding:0}
.ftr .social a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:8px;color:var(--txt);font-weight:600;font-size:.9rem}
.ftr .social a:hover,.ftr .social a:focus-visible{border-color:var(--acc);color:#fff}
/* calculator */
.calc{display:grid;grid-template-columns:1.25fr 1fr;gap:28px;align-items:start}
@media(max-width:980px){.calc{grid-template-columns:1fr}}
.calc fieldset{border:1px solid var(--line);border-radius:var(--r);background:var(--bg3);padding:18px 20px 20px;margin:0 0 16px;min-width:0}
.calc legend{padding:0 8px;margin-inline-start:-8px;font:700 .8rem/1 Manrope;letter-spacing:.14em;text-transform:uppercase;color:var(--acc2)}
[lang=ar] .calc legend{font-family:"Noto Sans Arabic",Manrope,sans-serif;letter-spacing:0}
[lang=fa] .calc legend{font-family:"Noto Sans Arabic",Manrope,sans-serif;letter-spacing:0}
.opts{display:grid;gap:8px}.mats{grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr))}
.ops{grid-template-columns:repeat(auto-fit,minmax(min(100%,170px),1fr))}.zs{grid-template-columns:repeat(5,1fr)}
.opt{margin:0;cursor:pointer;display:block}
.opt input{position:absolute;opacity:0;width:1px;height:1px}
.opt span{display:flex;flex-direction:column;justify-content:center;gap:2px;min-height:48px;height:100%;padding:10px 14px;border:1px solid #333e4b;border-radius:10px;background:var(--bg);color:#d5dbe2;font-weight:600;font-size:.92rem;line-height:1.3;transition:.15s}
.mats .opt span{flex-direction:row;align-items:center;justify-content:flex-start;gap:12px}
.mats .opt b{flex:none;width:28px;height:28px;border-radius:6px;display:grid;place-items:center;background:#26303b;color:#fff;font-size:.85rem}
.opt small{font-weight:500;color:var(--mut);font-size:.8rem}
.zs .opt span{align-items:center;font:700 1.05rem "Barlow Condensed",Manrope,sans-serif}
.opt:hover span{border-color:#4d5c6d}
.opt input:checked+span{border-color:var(--acc);background:#16263a;color:#fff;box-shadow:inset 0 0 0 1px var(--acc)}
.opt input:checked+span b{background:var(--acc)}
.opt input:focus-visible+span{outline:2px solid var(--acc2);outline-offset:2px}
.drow{display:flex;align-items:center;gap:16px}
.drow input[type=range]{flex:1;padding:0;border:0;background:none;accent-color:var(--acc);height:32px}
.dnum{display:flex;align-items:center;gap:6px;flex:none}.dnum input{width:92px;text-align:center;font-weight:700}.dnum em{font-style:normal;color:var(--mut)}
.advg{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,170px),1fr));gap:12px;margin-bottom:14px}
.calc-out{position:sticky;top:88px;background:linear-gradient(160deg,#16304d 0%,#1a2028 70%);border:1px solid #2b3f57;border-radius:20px;padding:26px}
@media(max-width:980px){.calc-out{position:static}}
.res{display:grid;grid-template-columns:1fr auto;align-items:baseline;gap:2px 10px;padding:6px 0 18px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:16px}
.res span{grid-column:1/-1;font-size:.85rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--acc2)}
[lang=ar] .res span{letter-spacing:0}
[lang=fa] .res span{letter-spacing:0}
.res b{font:700 clamp(2.6rem,6vw,3.6rem)/1 "Barlow Condensed",Manrope,sans-serif;color:#fff}
.res em{font-style:normal;color:#c3ccd6;font-weight:600}
.used{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 16px}
.used div{background:rgba(13,16,20,.45);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:12px 14px}
.used dt{font:700 1.1rem "Barlow Condensed",Manrope,sans-serif;color:var(--acc2)}
.used dd{margin:0;color:#fff;font-weight:700}.used dd.rng{color:var(--mut);font-weight:500;font-size:.8rem;margin-top:4px}
.warn{background:#3a2a12;border:1px solid #7a5a22;color:#f1d9a8;border-radius:10px;padding:12px 14px;font-size:.9rem}
.note{border-inline-start:3px solid #d9a441;background:rgba(217,164,65,.08);border-radius:8px;padding:12px 14px}
.note b{color:#f0c674;display:block;margin-bottom:4px}.note p{margin:0;font-size:.88rem;color:#d5dbe2}
.srcs{padding-inline-start:18px;margin:0 0 14px}.srcs li{margin-bottom:6px}
.calc-teaser{grid-template-columns:1fr}
/* nav fit (8 items) */
.nav a,.hdr-cta .btn{white-space:nowrap}
@media (min-width:1221px){.nav ul{gap:2px}.nav a{padding:10px 11px;font-size:.9rem}}
/* ---- rakip improvements: trust strip, quote box, finder, tool selector, troubleshooting */
.qbox{margin-top:22px;background:var(--bg3);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}
.qbox h2{font-size:1.35rem;margin:0 0 6px}.qbox p{margin:0 0 14px;font-size:.9rem;color:var(--mut)}
.qacts{display:flex;gap:10px;flex-wrap:wrap}
.btn-wa{background:#25d366;color:#0b2414}.btn-wa:hover{background:#3be07a;color:#0b2414}.btn-wa svg{width:18px;height:18px}
.finder{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:12px;align-items:end;margin:28px 0 0;background:var(--bg3);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.finder label{display:flex;flex-direction:column;gap:6px;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--acc2)}
.finder input,.finder select{font:inherit;font-size:.95rem;text-transform:none;letter-spacing:0;color:var(--txt);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-width:0}
.finder input:focus,.finder select:focus{outline:2px solid var(--acc);outline-offset:1px}
.f-n{grid-column:1/-1;margin:0;font-size:.85rem;color:var(--mut)}.f-n:empty{display:none}
.f-none{grid-column:1/-1;margin:0;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.pc[hidden],.cat[hidden],.s-it[hidden]{display:none!important}
@media(max-width:760px){.finder{grid-template-columns:1fr 1fr}.f-q{grid-column:1/-1}.finder #fd-r{grid-column:1/-1;justify-self:start}}
.selector{margin-top:40px}.selector h2{font-size:1.6rem;margin:0 0 4px}.selector .mut{color:var(--mut);margin:0 0 16px}
.s-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr))}
.s-it{display:flex;justify-content:space-between;gap:14px;background:var(--bg3);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.s-it.dim{opacity:.6}
.s-tx{display:flex;flex-direction:column;gap:4px;min-width:0}.s-tx b{color:#fff;font-size:1.1rem}.s-tx .d{font-size:.85rem;color:var(--mut)}
.s-tx .spec{margin-top:4px;padding-top:0}
.s-fit{font-size:.78rem;font-weight:700}.s-fit.ok{color:#5fc48a}.s-fit.no{color:#c9a96a}
.s-act{display:flex;flex-direction:column;gap:8px;align-items:flex-end;justify-content:center;flex:none}
@media(max-width:520px){.s-it{flex-direction:column}.s-act{align-items:flex-start;flex-direction:row;flex-wrap:wrap}}
.s-none{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.tsl{display:grid;gap:10px;margin-top:20px}
.ts{background:var(--bg3);border:1px solid var(--line);border-radius:12px}
.ts summary{cursor:pointer;padding:14px 18px;font-weight:700;color:#fff;list-style-position:inside}
.ts[open] summary{border-bottom:1px solid var(--line)}
.ts-b{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:14px 18px}
.ts-b b{color:var(--acc2);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}.ts-b p{margin:6px 0 0;font-size:.92rem}
@media(max-width:700px){.ts-b{grid-template-columns:1fr}}

.s-none[hidden],.s-more[hidden],.s-it[hidden]{display:none!important}
.s-more{margin-top:14px}
.f-none[hidden],[hidden]{display:none!important}

/* ---- 2026-10-30: catalogue-based additions (dimension tables, technical guide, series comparison) ---- */
.dims{padding-top:8px}
.dt-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px;background:var(--bg3);margin:14px 0 22px}
.dt-wrap:focus-visible{outline:2px solid var(--acc2);outline-offset:2px}
.dt{width:100%;border-collapse:collapse;font-size:.9rem;font-variant-numeric:tabular-nums;min-width:520px}
.dt caption{caption-side:top;text-align:left;padding:12px 16px 0;color:var(--mut);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase}
.dt th,.dt td{padding:9px 14px;text-align:center;border-bottom:1px solid var(--line);white-space:nowrap}
.dt thead th{position:sticky;top:0;background:#202833;color:#fff;font:700 .95rem/1.2 "Barlow Condensed",Manrope,sans-serif;letter-spacing:.03em}
.dt thead th sub{font-size:.72em}
.dt tbody th{text-align:left;color:#fff;font-weight:700;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86rem}
.dt tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.dt tbody tr:hover{background:rgba(74,127,184,.12)}
.dt tbody tr:last-child>*{border-bottom:0}
.dt-hint{display:none;color:var(--mut);font-size:.82rem;margin:0}
.dt-foot{margin-top:4px}
.cmp{margin:26px 0 6px;border:1px solid var(--line);border-radius:12px;background:var(--bg2)}
.cmp summary{cursor:pointer;padding:14px 18px;font-weight:700;color:#fff;list-style:none;display:flex;align-items:center;gap:10px}
.cmp summary::-webkit-details-marker{display:none}
.cmp summary::before{content:"+";display:inline-grid;place-items:center;width:24px;height:24px;border-radius:6px;background:var(--acc);color:#fff;font-weight:800}
.cmp[open] summary::before{content:"–"}
.cmp summary small{color:var(--mut);font-weight:600}
.cmp .dt-wrap{margin:0 14px 14px}
.cmpt td{white-space:normal;text-align:left;min-width:90px}
.cmpt td:nth-child(2){min-width:220px}
.cmpt tbody th{font-family:inherit}
.cmpt a,.mxt a{color:#fff}
.cmpt a:hover,.mxt a:hover{color:var(--acc2)}
.toc{margin-top:6px}
.fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:12px;margin:18px 0 8px}
.fcard{background:var(--bg3);border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:10px;padding:16px 18px;display:grid;gap:6px}
.fcard code{font:700 1.15rem/1.3 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#fff;unicode-bidi:isolate}
.fcard span{color:var(--mut);font-size:.88rem}
.h3s{font-size:1.4rem;margin-top:26px}
.vt{min-width:0}.vt th,.vt td{text-align:left;white-space:normal}.vt th{width:80px}
.ocode{display:flex;justify-content:center;align-items:flex-start;gap:14px;flex-wrap:wrap;background:linear-gradient(135deg,#17202b,#121820);border:1px solid var(--line);border-radius:14px;padding:28px 18px 22px;margin:18px 0}
.ocode span{display:grid;justify-items:center;gap:8px;font:800 clamp(2.2rem,7vw,3.6rem)/1 "Barlow Condensed",sans-serif;padding-bottom:8px;border-bottom:3px solid}
.ocode i{font:700 2.6rem/1 "Barlow Condensed";color:var(--mut);font-style:normal}
.ocode small{font:600 .78rem/1.2 Manrope,sans-serif;color:var(--mut);letter-spacing:.06em;text-transform:uppercase}
.oc1{color:#fff;border-color:#fff!important}.oc2{color:var(--acc2);border-color:var(--acc2)!important}.oc3{color:#f0a24a;border-color:#f0a24a!important}
.note{color:var(--mut);font-size:.9rem;margin-top:12px}
.mxt th,.mxt td{white-space:normal}
.mxt thead th{vertical-align:bottom;min-width:84px;font-size:.82rem}
.mxt .iso-k{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:6px;color:#fff;font-weight:800;margin-bottom:6px}
.mxt .mx-l{display:block;font:600 .76rem/1.25 Manrope,sans-serif;color:#cdd5de}
.mxt tbody th{font-family:inherit;min-width:200px}
.mxt tbody th small{display:block;font-weight:400;color:var(--mut);font-size:.78rem;margin-top:2px}
.mxt td b{color:var(--acc2);font-size:1.1rem}
.lks .lk{display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--txt)}
.lks .lk h3{margin:0;font-size:1.3rem}
.lks .lk span{color:var(--acc2);font-size:1.3rem}
.st tr:nth-child(even){background:rgba(255,255,255,.02)}
:focus-visible{outline:2px solid var(--acc2);outline-offset:2px}
[dir=rtl] .dt caption{text-align:right}
[dir=rtl] .fcard{border-left:1px solid var(--line);border-right:3px solid var(--acc)}
@media (max-width:700px){.dt-hint{display:block}.dt{font-size:.84rem}.dt th,.dt td{padding:8px 10px}.ocode{gap:8px;padding:20px 10px}.ocode i{font-size:1.8rem}}
.dt thead .tol{font:600 .72rem Manrope,sans-serif;color:var(--acc2);margin-left:2px}

/* =====================================================================
   DESIGN v2 (2026-10-30): industrial refresh – same palette & logo
   ===================================================================== */
:root{--r:8px;--r2:12px;--line2:#313b47;--acc3:#2f5f92;--grid:rgba(127,169,214,.055);--shadow:0 18px 40px -18px rgba(0,0,0,.65)}
body{font-size:16px;line-height:1.7;background:var(--bg)}
h1{letter-spacing:-.005em}h2{letter-spacing:0}
p{max-width:72ch}
::selection{background:var(--acc);color:#fff}
/* eyebrow: technical label */
.eyebrow{font-size:.72rem;letter-spacing:.22em;gap:12px}
.eyebrow::before{width:22px;height:2px;background:var(--acc);box-shadow:28px 0 0 -0px transparent}
.eyebrow::after{content:"";width:5px;height:5px;background:var(--acc2);transform:rotate(45deg);order:-1}
/* topbar (desktop) */
.topbar{background:#080a0d;border-bottom:1px solid var(--line);font-size:.8rem;color:var(--mut)}
.topbar .wrap{display:flex;align-items:center;gap:22px;height:36px}
.topbar a{color:var(--mut);display:inline-flex;align-items:center;gap:7px;font-weight:600}
.topbar a:hover{color:#fff}
.topbar svg{width:14px;height:14px;flex:none;color:var(--acc2)}
.topbar .tb-s{margin-inline-start:auto;display:flex;gap:4px}
.topbar .tb-s a{width:30px;height:28px;justify-content:center;border-radius:6px}
.topbar .tb-s a:hover{background:var(--bg3)}
.topbar .tb-s svg{width:15px;height:15px;color:currentColor}
@media(max-width:900px){.topbar{display:none}}
/* header */
.hdr{background:rgba(11,14,18,.9);border-bottom:1px solid var(--line)}
.hdr::after{content:"";position:absolute;inset:auto 0 -1px 0;height:1px;background:linear-gradient(90deg,transparent,var(--acc) 20%,var(--acc2) 50%,var(--acc) 80%,transparent);opacity:.55;pointer-events:none}
.hdr .wrap{height:72px}
.nav a{position:relative;border-radius:6px;color:#d6dde5}
.nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--acc2);transform:scaleX(0);transform-origin:center;transition:transform .2s}
.nav a:hover{background:transparent;color:#fff}.nav a:hover::after,.nav a[aria-current=page]::after{transform:scaleX(1)}
.nav a[aria-current=page]{background:transparent;box-shadow:none;color:#fff}
.lang summary{border-radius:6px;height:40px}
.burger{border-radius:6px}
/* buttons */
.btn{border-radius:6px;letter-spacing:.01em;padding:13px 24px}
.btn-p{background:linear-gradient(180deg,#5288c2,#3f72a9);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 8px 20px -10px rgba(74,127,184,.8)}
.btn-p:hover{background:linear-gradient(180deg,#6197d1,#4a7fb8)}
.btn-g{border-color:var(--line2);background:rgba(255,255,255,.02)}
.btn-g:hover{background:rgba(127,169,214,.08)}
.btn-sm{padding:9px 16px}
/* hero */
.hero{min-height:min(86vh,720px)}
.hero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:linear-gradient(90deg,#000 0%,rgba(0,0,0,.6) 50%,transparent 85%);mask-image:linear-gradient(90deg,#000 0%,rgba(0,0,0,.6) 50%,transparent 85%)}
[dir=rtl] .hero::before{-webkit-mask-image:linear-gradient(270deg,#000 0%,rgba(0,0,0,.6) 50%,transparent 85%);mask-image:linear-gradient(270deg,#000 0%,rgba(0,0,0,.6) 50%,transparent 85%)}
.hero .wrap{z-index:3}
.hero h1{font-size:clamp(2.5rem,6.4vw,4.8rem);max-width:860px;text-wrap:balance}
.hero .lead{font-size:1.14rem;line-height:1.65}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;max-width:780px;margin-top:48px;padding-top:0;border-top:0;background:rgba(11,14,18,.55);border:1px solid rgba(255,255,255,.09);border-radius:var(--r);backdrop-filter:blur(6px)}
.facts div{padding:16px 20px;border-inline-start:1px solid rgba(255,255,255,.08)}
.facts div:first-child{border-inline-start:0}
.facts b{font-size:1.55rem;margin-bottom:2px;font-variant-numeric:tabular-nums}
/* page head */
.phead{position:relative;overflow:hidden;padding:76px 0 48px;background:radial-gradient(900px 300px at 85% -30%,rgba(74,127,184,.28),transparent),linear-gradient(180deg,#141a22,#10141a)}
.phead::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:linear-gradient(180deg,#000,transparent);mask-image:linear-gradient(180deg,#000,transparent)}
.phead>.wrap{position:relative}
.phead h1{font-size:clamp(2.2rem,5.4vw,3.8rem);text-wrap:balance}
.crumbs{font-size:.8rem;letter-spacing:.02em}
/* sections */
section.sec{padding:96px 0}
.sec.alt{background:linear-gradient(180deg,#12161c,#0f1318)}
.sec-h{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:34px;position:relative}
.sec-h::after{content:"";position:absolute;inset-inline-start:0;bottom:-1px;width:64px;height:2px;background:var(--acc)}
.sec-h h2{margin:0;text-wrap:balance}
/* cards */
.card{border-radius:var(--r);background:linear-gradient(180deg,#1b222b,#171c23);overflow:hidden}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,var(--acc),transparent);opacity:0;transition:opacity .25s}
.card:hover{border-color:var(--line2);box-shadow:var(--shadow)}.card:hover::before{opacity:1}
.num{font-family:"Barlow Condensed",Manrope,sans-serif;font-size:.95rem;letter-spacing:.12em}
/* category tiles */
.fam{border-radius:var(--r);position:relative}
.fam .ph{aspect-ratio:16/11;position:relative}
.fam .ph::after{content:"";position:absolute;inset:auto 0 0 0;height:45%;background:linear-gradient(0deg,rgba(23,28,35,.85),transparent)}
.fam .tx{padding:20px 22px 22px;position:relative}
.fam .num{position:absolute;top:-34px;inset-inline-start:22px;z-index:2;background:var(--acc);color:#fff;padding:5px 9px;border-radius:4px;font-size:.8rem;letter-spacing:.1em;margin:0}
.fam:hover{box-shadow:var(--shadow)}

/* product cards */
.pgrid{gap:18px}
.pc{border-radius:var(--r);background:linear-gradient(180deg,#1b222b,#171c23);position:relative}
.pc::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:var(--acc);transform:scaleX(0);transform-origin:left;transition:transform .25s;z-index:2}
[dir=rtl] .pc::before{transform-origin:right}
.pc:hover::before{transform:scaleX(1)}
.pc:hover{box-shadow:var(--shadow);border-color:var(--line2)}
.pc .pi{height:120px;background:linear-gradient(rgba(18,41,74,.06) 1px,transparent 1px) 0 0/16px 16px,linear-gradient(90deg,rgba(18,41,74,.06) 1px,transparent 1px) 0 0/16px 16px,linear-gradient(180deg,#f6f8fa,#e3e8ee);border-bottom:1px solid var(--line)}
.pc h3{font-size:1.32rem;letter-spacing:.01em}
.spec span{border-radius:4px;font-variant-numeric:tabular-nums;letter-spacing:.02em;background:#11161c}
/* tabs */
.tabs{top:72px;background:rgba(13,16,20,.94);backdrop-filter:blur(8px)}
.tabs a{border-radius:6px}
.tabs a:hover{background:var(--bg3)}
.tabs small{display:inline-grid;place-items:center;min-width:22px;height:20px;padding:0 5px;border-radius:4px;background:var(--bg3);font-size:.72rem;font-weight:700}
.finder{border-radius:var(--r);background:linear-gradient(180deg,#1b222b,#171c23)}
.finder input,.finder select{border-radius:6px}
/* product detail */
.pd .pimg{border-radius:var(--r);background:linear-gradient(rgba(18,41,74,.05) 1px,transparent 1px) 0 0/20px 20px,linear-gradient(90deg,rgba(18,41,74,.05) 1px,transparent 1px) 0 0/20px 20px,linear-gradient(180deg,#f6f8fa,#dde3ea);border:1px solid var(--line)}
table.st{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;border-collapse:separate;border-spacing:0;background:var(--bg3)}
table.st tr:last-child th,table.st tr:last-child td{border-bottom:0}
table.st th{font-size:.88rem}
.chips li{border-radius:4px}
.qbox,.dt-wrap,.cmp,.ts,.s-it,.legend div,.fcard,.calc fieldset,.opt span,input,select,textarea{border-radius:var(--r)}
.dt thead th{background:#1f2832;border-bottom:2px solid var(--acc3)}
/* CTA */
.cta{border-radius:var(--r2);position:relative;overflow:hidden;background:linear-gradient(115deg,#173556 0%,#15212f 55%,#141a22 100%)}
.cta::after{content:"";position:absolute;inset:0 0 0 auto;width:38%;pointer-events:none;background:repeating-linear-gradient(135deg,rgba(127,169,214,.07) 0 2px,transparent 2px 14px);-webkit-mask-image:linear-gradient(90deg,transparent,#000);mask-image:linear-gradient(90deg,transparent,#000)}
[dir=rtl] .cta::after{inset:0 auto 0 0;-webkit-mask-image:linear-gradient(270deg,transparent,#000);mask-image:linear-gradient(270deg,transparent,#000)}
.cta>*{position:relative;z-index:1}
.split .media,.draw{border-radius:var(--r)}
.calc-out{border-radius:var(--r2)}
/* footer */
.ftr{background:#07090c;position:relative;padding-top:72px}
.ftr::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--acc3),var(--acc2) 50%,var(--acc3))}
.ftr h2{color:#fff;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:18px}
.ftr ul{gap:10px}
.ftr a{transition:color .15s}
.ftr .social a{border-radius:6px;background:rgba(255,255,255,.02)}
.ftr .bot{color:#77818e}
/* mobile */
@media (max-width:1220px){
 .nav{inset:72px 0 auto 0;max-height:calc(100vh - 72px);overflow-y:auto;background:#0b0e12;box-shadow:0 30px 40px -20px rgba(0,0,0,.8)}
 .nav ul{gap:0;padding:8px 20px 24px}
 .nav li{border-bottom:1px solid var(--line)}
 .nav a{padding:16px 4px;font-size:1.05rem}
 .nav a::after{left:4px;right:auto;width:24px;bottom:10px}
 [dir=rtl] .nav a::after{left:auto;right:4px}
}
@media (max-width:700px){
 section.sec{padding:64px 0}
 .phead{padding:52px 0 34px}
 .hero{min-height:0}.hero .wrap{padding-top:64px;padding-bottom:48px}
 .hero .btns .btn{flex:1 1 100%;justify-content:center}
 .facts{grid-template-columns:1fr 1fr;margin-top:34px}
 .facts div{padding:12px 14px;border-inline-start:0;border-top:1px solid rgba(255,255,255,.08)}
 .facts div:nth-child(-n+2){border-top:0}.facts div:nth-child(2n){border-inline-start:1px solid rgba(255,255,255,.08)}
 .facts b{font-size:1.25rem}
 .facts div:nth-child(3):last-child{grid-column:1/-1;border-inline-start:0}
 .sec-h{margin-bottom:24px;padding-bottom:18px}
 .cta{padding:30px 22px}.cta .acts{width:100%}.cta .acts .btn{flex:1 1 100%;justify-content:center}
 .tabs{top:72px}
 .pc .pi{height:84px}
 .ftr{padding-top:52px}
}

/* visuals v2 */
.chips .isob i,.chips i.ic{width:18px;height:18px;font-size:.62rem;margin-inline-end:6px;vertical-align:-3px}
.isob{display:inline-flex;gap:3px;flex-wrap:wrap}.isob i{font:800 .7rem/1 Manrope,sans-serif;font-style:normal;color:#fff;width:20px;height:20px;border-radius:50%;display:inline-grid;place-items:center}
.iP{background:#1f5a9e}.iM{background:#806510}.iK{background:#a93226}.iN{background:#1c6e3f}.iS{background:#8a551b}.iH{background:#55616e}
.pc .pi{position:relative}.pc .isob{position:absolute;top:8px;inset-inline-end:8px;z-index:2}
.pc .pi img{max-height:92px;max-width:100%}
.pc .pi{height:132px;padding:18px 14px}
.pd .pimg{min-height:300px;padding:48px 28px}.pd .pimg img{max-height:none;width:100%;height:auto;max-width:720px}
.pd-iso{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:16px 0 0}.pd-iso .isob i{width:30px;height:30px;font-size:.9rem}
.pd-iso small{color:var(--mut);font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:.72rem}
.phead .ph-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22;filter:grayscale(.4) contrast(1.1)}
.phead::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,20,26,.96) 30%,rgba(16,20,26,.55));pointer-events:none}
[dir=rtl] .phead::after{background:linear-gradient(270deg,rgba(16,20,26,.96) 30%,rgba(16,20,26,.55))}
.phead>.wrap{z-index:2}.phead::before{z-index:1}
.dg{display:block;width:100%;height:auto;color:#cfd7e0;max-width:760px}
.dg .dl{stroke:currentColor;stroke-width:1.4}.dg .ex{stroke:#6b7a8a;stroke-width:1}.dg .cl{stroke:#7fa9d6;stroke-width:1;stroke-dasharray:14 4 3 4;opacity:.7}
.dg .fl{stroke:rgba(255,255,255,.55);stroke-width:3;fill:none}
.dg .dt2{font:700 17px "Barlow Condensed",Manrope,sans-serif;fill:#fff;font-style:italic}.dg .acc{stroke:#f0a24a;fill:#f0a24a;color:#f0a24a}
.dgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:16px;margin:20px 0}
.dgc{margin:0;background:linear-gradient(rgba(127,169,214,.05) 1px,transparent 1px) 0 0/20px 20px,linear-gradient(90deg,rgba(127,169,214,.05) 1px,transparent 1px) 0 0/20px 20px,#141a21;border:1px solid var(--line);border-radius:var(--r);padding:18px 18px 8px}
.dgc figcaption{padding:10px 0 6px;font-weight:700;color:#cfd7e0}
.cat-h{position:relative;padding-inline-start:20px}.cat-h::before{content:"";position:absolute;inset-inline-start:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:linear-gradient(180deg,var(--acc2),var(--acc3))}
.cat-ph{width:180px;aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}.cat-ph img{width:100%;height:100%;object-fit:cover}
@media(max-width:700px){.cat-ph{display:none}.pc .pi{height:92px;padding:12px 8px}.pc .pi img{max-height:62px}.pc .isob i{width:16px;height:16px;font-size:.6rem}}

.cat-band{grid-template-columns:auto 1fr auto;align-items:center;gap:22px;padding:22px 24px;margin-bottom:26px;border:1px solid var(--line);border-radius:var(--r2);background:linear-gradient(100deg,#18212c,#121820 60%);overflow:hidden}
.cat-band::before{top:0;bottom:0;width:5px;border-radius:0}
.cat-band h2{margin:0 0 .25em;font-size:clamp(1.7rem,3vw,2.4rem);text-transform:uppercase;letter-spacing:.03em}.cat-band p{margin:0;color:var(--mut);max-width:70ch}
.cat-no{font:800 clamp(2.4rem,5vw,3.6rem)/1 "Barlow Condensed",sans-serif;color:transparent;-webkit-text-stroke:1.5px #4f7fb4;min-width:2ch}
.cat-meta{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin-top:10px;font-size:.85rem;color:#cfd7e0}
.cat-meta b{background:var(--acc3);color:#fff;border-radius:999px;padding:2px 10px;font-size:.78rem}
@media(max-width:700px){.cat-band{grid-template-columns:auto 1fr;padding:16px;gap:14px}}
.chips i.ic{display:inline-grid;place-items:center;border-radius:50%;color:#fff;font:800 .62rem/1 Manrope,sans-serif;font-style:normal;width:18px;height:18px;margin-inline-end:7px;vertical-align:-4px}
/* catalogue-based calculator */
.calc-in [hidden],.calc-out [hidden],#secici[hidden]{display:none!important}
.csel{width:100%;min-height:46px;padding:10px 40px 10px 14px;border:1px solid var(--line,#2b3f57);border-radius:12px;background:#11161c url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23f7a823' stroke-width='2'/%3E%3C/svg%3E") no-repeat right 14px center;color:#fff;font:600 .95rem Manrope,sans-serif;appearance:none;-webkit-appearance:none;text-overflow:ellipsis}
[dir=rtl] .csel{padding:10px 14px 10px 40px;background-position:left 14px center}
.csel:focus{outline:2px solid var(--acc,#f7a823);outline-offset:2px}
.csel optgroup{color:#9fb0c2;font-style:normal}.csel option{color:#fff;background:#11161c}
#f-adv.nv .av{display:none}
.calc-out .cx{margin:0 0 10px;font-size:.86rem;color:#d7e0ea;line-height:1.5}
.calc-out .cx.src{color:var(--acc2,#f7a823);font-weight:700}.calc-out .cx.mut{color:var(--mut,#9fb0c2)}
/* product sub-categories (2026-11-01) */
.sgnav{display:flex;flex-wrap:wrap;gap:8px;margin:-6px 0 6px}
.sgnav a{padding:6px 12px;border:1px solid var(--line);border-radius:6px;color:var(--txt);font-weight:600;font-size:.84rem;background:var(--bg2)}
.sgnav a:hover{border-color:var(--acc);background:var(--bg3)}
.sgnav small{display:inline-grid;place-items:center;min-width:20px;height:18px;padding:0 5px;margin-inline-start:6px;border-radius:4px;background:var(--bg3);color:var(--mut);font-size:.7rem;font-weight:700}
.sgrp{scroll-margin-top:140px;margin-top:38px}
.sg-h{position:relative;padding-inline-start:16px;margin-bottom:18px}
.sg-h::before{content:"";position:absolute;inset-inline-start:0;top:3px;bottom:3px;width:3px;border-radius:2px;background:var(--acc2)}
.sg-h h3{margin:0 0 .2em;font-size:clamp(1.25rem,2vw,1.55rem)}
.sg-h p{margin:0;color:var(--mut);max-width:75ch}
.sg-h .cat-meta{margin-top:8px}
@media(max-width:700px){.sgnav{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-20px;padding-inline:20px}.sgnav a{white-space:nowrap;flex:none}}