/* ============================================================
   KianPet.com — Premium dark design system
   FA/AR (RTL) + EN (LTR)
   ============================================================ */
@font-face { font-family:'IRANSans'; src:url('../fonts/IRANSans-Light-web.woff2') format('woff2'); font-weight:300; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/IRANSans-web.woff2') format('woff2'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/IRANSans-Medium-web.woff2') format('woff2'); font-weight:500; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/IRANSans-Medium-web.woff2') format('woff2'); font-weight:600; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/IRANSans-Bold-web.woff2') format('woff2'); font-weight:700; font-style:normal; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/IRANSans-Bold-web.woff2') format('woff2'); font-weight:800; font-style:normal; font-display:swap; }
@font-face { font-family:'Vazirmatn'; src:url('../fonts/Vazirmatn-Regular.woff2') format('woff2'); font-weight:400; font-display:swap; }
@font-face { font-family:'Vazirmatn'; src:url('../fonts/Vazirmatn-Medium.woff2') format('woff2'); font-weight:500; font-display:swap; }
@font-face { font-family:'Vazirmatn'; src:url('../fonts/Vazirmatn-SemiBold.woff2') format('woff2'); font-weight:600; font-display:swap; }
@font-face { font-family:'Vazirmatn'; src:url('../fonts/Vazirmatn-Bold.woff2') format('woff2'); font-weight:700; font-display:swap; }
@font-face { font-family:'Vazirmatn'; src:url('../fonts/Vazirmatn-ExtraBold.woff2') format('woff2'); font-weight:800; font-display:swap; }

:root{
  --bg:#050910; --bg-2:#080e1a; --surface:#0b1322; --surface-2:#0f1a2e;
  --line:rgba(148,180,225,.13); --line-strong:rgba(148,180,225,.22);
  --text:#e9eef7; --muted:#97a5bb; --faint:#67758d;
  --accent:#ff9a3d; --accent-2:#ffbf80; --accent-deep:#e07714;
  --glow:rgba(255,154,61,.35);
  --amber:#ffb454;
  --radius:18px; --radius-sm:12px;
  --shadow-lg:0 24px 70px -18px rgba(0,0,0,.65);
  --container:1200px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  font-family:'IRANSans','Vazirmatn',system-ui,-apple-system,'Segoe UI',Tahoma,sans-serif;
  background:var(--bg); color:var(--text);
  line-height:1.85; font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--accent);color:#221204}
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}

/* ---------- topbar ---------- */
.topbar{background:rgba(5,9,16,.85);border-bottom:1px solid var(--line);font-size:13.5px;position:relative;z-index:60}
.topbar-in{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:16px;flex-wrap:wrap}
.topbar a{color:var(--muted);display:inline-flex;align-items:center;gap:7px;transition:color .25s}
.topbar a:hover{color:var(--accent-2)}
.topbar .tb-mail{color:var(--accent-2);font-weight:600;letter-spacing:.2px}
.topbar .tb-group{display:flex;align-items:center;gap:18px}
.lang-switch{display:flex;gap:2px;border:1px solid var(--line);border-radius:999px;padding:2px;background:rgba(255,255,255,.03)}
.lang-switch a{padding:1px 10px;border-radius:999px;font-size:12px;color:var(--muted)}
.lang-switch a.on{background:var(--accent);color:#221204;font-weight:700}
.lang-switch a:hover:not(.on){color:var(--text)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(5,9,16,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 10px 40px -12px rgba(0,0,0,.6)}
.header-in{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:44px;width:auto}
.brand .brand-t{line-height:1.3}
.brand .brand-t b{font-size:17px;font-weight:800;display:block}
.brand .brand-t span{font-size:11.5px;color:var(--muted);letter-spacing:.3px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  padding:9px 16px;border-radius:10px;font-weight:600;font-size:15px;color:var(--muted);
  transition:color .25s,background .25s;position:relative;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.main-nav a.active{color:var(--accent-2)}
.main-nav a.active::after{
  content:'';position:absolute;bottom:2px;inset-inline:18px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.header-cta{
  display:inline-flex;align-items:center;gap:9px;padding:10px 18px;border-radius:12px;
  background:linear-gradient(135deg,rgba(255,154,61,.16),rgba(255,154,61,.05));
  border:1px solid rgba(255,154,61,.4);color:var(--accent-2);font-weight:700;font-size:14.5px;
  transition:all .3s;white-space:nowrap;
}
.header-cta:hover{background:var(--accent);color:#221204;box-shadow:0 8px 30px -8px var(--glow)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:var(--text);width:44px;height:44px;font-size:20px;cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(88vh,900px);display:flex;align-items:center;overflow:hidden;
  background:radial-gradient(120% 90% at 50% 0%,#0d1422 0%,var(--bg) 62%)}
.hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(46% 42% at 22% 42%,rgba(255,154,61,.13),transparent 70%),
    radial-gradient(30% 30% at 85% 15%,rgba(255,154,61,.06),transparent 70%),
    repeating-linear-gradient(90deg,rgba(148,180,225,.045) 0 1px,transparent 1px 90px),
    repeating-linear-gradient(0deg,rgba(148,180,225,.045) 0 1px,transparent 1px 90px);
}
[dir="rtl"] .hero::before{
  background:
    radial-gradient(46% 42% at 78% 42%,rgba(255,154,61,.13),transparent 70%),
    radial-gradient(30% 30% at 15% 15%,rgba(255,154,61,.06),transparent 70%),
    repeating-linear-gradient(90deg,rgba(148,180,225,.045) 0 1px,transparent 1px 90px),
    repeating-linear-gradient(0deg,rgba(148,180,225,.045) 0 1px,transparent 1px 90px);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding-top:64px}
.hero-in{position:relative;z-index:3;padding:40px 0;max-width:820px}
.hero-photos{position:relative;z-index:3;margin:36px 6% 44px}
.hp-main{
  width:100%;border-radius:24px;display:block;
  border:1px solid rgba(255,154,61,.3);
  box-shadow:0 34px 90px -22px rgba(0,0,0,.85),0 0 90px -30px var(--glow);
}
.hp-float{
  position:absolute;width:46%;border-radius:16px;
  border:1px solid var(--line-strong);
  box-shadow:0 24px 60px -14px rgba(0,0,0,.9);
}
.hp-a{top:-9%;inset-inline-start:-10%;transform:rotate(4deg)}
.hp-b{bottom:-11%;inset-inline-end:-7%;transform:rotate(-5deg)}
.hp-chip{
  position:absolute;display:inline-flex;align-items:center;gap:8px;
  background:rgba(8,12,20,.88);backdrop-filter:blur(10px);
  border:1px solid rgba(255,154,61,.45);border-radius:999px;
  padding:8px 16px;font-size:13px;font-weight:800;color:var(--accent-2);
  box-shadow:0 14px 40px -10px rgba(0,0,0,.8);white-space:nowrap;
}
.hp-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.hp-c1{top:6%;inset-inline-end:-4%}
.hp-c2{bottom:16%;inset-inline-start:-9%}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:999px;
  border:1px solid rgba(255,154,61,.35);background:rgba(255,154,61,.08);
  color:var(--accent-2);font-size:13.5px;font-weight:600;margin-bottom:26px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.45;margin-bottom:22px;
  background:linear-gradient(120deg,#fff 30%,#ffd9ae 75%,var(--accent-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{font-size:clamp(15.5px,1.6vw,19px);color:#c2cde0;max-width:640px;margin-bottom:38px;line-height:2.1}
.hero-sub .l2{display:block;color:var(--muted)}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;align-items:stretch}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;border-radius:14px;font-weight:700;font-size:16px;font-family:inherit;
  cursor:pointer;transition:all .3s var(--ease);border:none;
}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#221204;
  box-shadow:0 12px 36px -10px var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 48px -10px var(--glow)}
.btn-ghost{background:rgba(255,255,255,.05);border:1px solid var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-2);background:rgba(255,154,61,.07)}
.btn-ghost .btn-cap{font-size:11.5px;color:var(--faint);display:block;line-height:1.4;font-weight:500}
.btn-ghost .btn-num{font-size:16.5px;letter-spacing:.5px;direction:ltr;unicode-bidi:embed}
.btn-tel{flex-direction:column;gap:1px;padding-block:9px}
.hero-stats{
  position:relative;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;margin-top:64px;backdrop-filter:blur(8px);
}
.stat{background:rgba(8,14,26,.82);padding:22px 18px;text-align:center}
.stat b{font-size:clamp(21px,2.6vw,30px);font-weight:800;color:var(--accent-2);display:block;line-height:1.4}
.stat span{font-size:13px;color:var(--muted)}

/* ---------- sections ---------- */
section{padding:96px 0;position:relative}
.sec-head{max-width:680px;margin-bottom:56px}
.sec-head.center{margin-inline:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:700;
  font-size:13.5px;letter-spacing:.5px;margin-bottom:14px;
}
.kicker::before{content:'';width:26px;height:2px;background:var(--accent);border-radius:2px}
.sec-head.center .kicker::after{content:'';width:26px;height:2px;background:var(--accent);border-radius:2px}
.sec-head h2{font-size:clamp(25px,3.2vw,38px);font-weight:800;line-height:1.5;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16.5px}

/* products */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod-card{
  background:linear-gradient(180deg,var(--surface),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .45s var(--ease),border-color .45s,box-shadow .45s;
  display:flex;flex-direction:column;
}
.prod-card:hover{transform:translateY(-8px);border-color:rgba(255,154,61,.45);box-shadow:var(--shadow-lg)}
.prod-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#000}
.prod-media img,.prod-media svg{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.prod-card:hover .prod-media img{transform:scale(1.06)}
.prod-media .tag{
  position:absolute;top:14px;inset-inline-start:14px;padding:4px 12px;border-radius:999px;
  background:rgba(5,9,16,.72);backdrop-filter:blur(8px);border:1px solid rgba(255,154,61,.4);
  color:var(--accent-2);font-size:12px;font-weight:700;
}
.prod-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.prod-body h3{font-size:18.5px;font-weight:800}
.prod-body p{color:var(--muted);font-size:14.2px;line-height:1.9;flex:1}
.spec-chips{display:flex;flex-wrap:wrap;gap:7px}
.spec-chips span{
  font-size:12px;color:#b8c6da;background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:8px;padding:3px 10px;
}
.prod-link{color:var(--accent-2);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:7px;margin-top:4px}
.prod-link svg{transition:transform .3s}
.prod-card:hover .prod-link svg{transform:translateX(-4px)}
[dir="ltr"] .prod-card:hover .prod-link svg{transform:translateX(4px)}

/* features */
.feat-wrap{background:linear-gradient(180deg,var(--bg-2),var(--bg));border-block:1px solid var(--line)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{
  background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:border-color .35s,background .35s;
}
.feat:hover{border-color:rgba(255,154,61,.4);background:rgba(255,154,61,.045)}
.feat .f-ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(255,154,61,.18),rgba(255,154,61,.04));
  border:1px solid rgba(255,154,61,.35);color:var(--accent-2);
}
.feat h3{font-size:17px;font-weight:800;margin-bottom:9px}
.feat p{color:var(--muted);font-size:14.2px;text-align:justify}

/* production line */
.line-sec{overflow:hidden}
.line-art{border:1px solid var(--line);border-radius:calc(var(--radius) + 6px);overflow:hidden;
  background:#04070d;box-shadow:var(--shadow-lg)}
.line-art svg{width:100%;height:auto;display:block}
.line-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:34px}
.lstep{position:relative;padding:18px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);text-align:center}
.lstep b{display:block;color:var(--accent-2);font-size:14.5px;margin-bottom:5px;font-weight:800}
.lstep span{font-size:12.5px;color:var(--muted);line-height:1.7;display:block}
.lstep .n{
  position:absolute;top:-13px;inset-inline-start:50%;transform:translateX(50%);
  width:26px;height:26px;border-radius:50%;background:var(--accent);color:#221204;
  font-weight:800;font-size:13px;display:grid;place-items:center;box-shadow:0 0 0 5px var(--bg);
}
[dir="ltr"] .lstep .n{transform:translateX(-50%)}

/* case studies */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case{
  display:flex;gap:20px;background:linear-gradient(160deg,var(--surface),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:border-color .35s,transform .35s;
}
.case:hover{border-color:rgba(255,154,61,.4);transform:translateY(-4px)}
.case .c-metric{
  flex-shrink:0;width:96px;height:96px;border-radius:18px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:2px;
  background:rgba(255,154,61,.08);border:1px solid rgba(255,154,61,.3);
}
.case .c-metric b{font-size:21px;font-weight:800;color:var(--accent-2);line-height:1.3}
.case .c-metric span{font-size:10.5px;color:var(--muted);text-align:center;padding-inline:6px;line-height:1.5}
.case h3{font-size:17px;font-weight:800;margin-bottom:8px;line-height:1.6}
.case p{color:var(--muted);font-size:14px;text-align:justify}

/* trust */
.trust{background:linear-gradient(180deg,var(--bg),#071120 55%,var(--bg));border-block:1px solid var(--line);text-align:center}
.trust h2{font-size:clamp(21px,2.8vw,32px);font-weight:800;max-width:860px;margin:0 auto 14px;line-height:1.7;white-space:normal}
.trust .trust-sub{color:var(--muted);font-size:15.5px;max-width:640px;margin:0 auto 44px}
.ind-row{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.ind-chip{
  display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:14px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);color:#c4d0e2;
  font-weight:600;font-size:14.5px;transition:all .3s;
}
.ind-chip:hover{border-color:rgba(255,154,61,.45);color:var(--accent-2);background:rgba(255,154,61,.06)}
.ind-chip svg{color:var(--accent)}

/* contact */
.contact-sec{position:relative}
.contact-wrap{
  display:grid;grid-template-columns:1fr 1.15fr;gap:0;border:1px solid var(--line);
  border-radius:calc(var(--radius) + 6px);overflow:hidden;box-shadow:var(--shadow-lg);
}
.contact-info{
  background:linear-gradient(160deg,#0a1a2e,#071120 70%);padding:46px 42px;
  display:flex;flex-direction:column;gap:26px;position:relative;overflow:hidden;
}
.contact-info::after{
  content:'';position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,154,61,.14),transparent 70%);
  bottom:-120px;inset-inline-end:-120px;pointer-events:none;
}
.contact-info h3{font-size:23px;font-weight:800;line-height:1.6}
.contact-info > p{color:var(--muted);font-size:14.8px;text-align:justify}
.ci-item{display:flex;gap:14px;align-items:flex-start}
.ci-item .ci-ico{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(255,154,61,.1);border:1px solid rgba(255,154,61,.3);color:var(--accent-2);
}
.ci-item b{display:block;font-size:14px;margin-bottom:2px}
.ci-item span,.ci-item a{color:var(--muted);font-size:14px}
.ci-item a:hover{color:var(--accent-2)}
.ci-item .ltr{direction:ltr;unicode-bidi:embed;display:inline-block}
.contact-form{background:var(--surface);padding:46px 42px}
.contact-form h3{font-size:20px;font-weight:800;margin-bottom:6px}
.contact-form .cf-sub{color:var(--muted);font-size:14px;margin-bottom:26px;text-align:justify}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f-field{margin-bottom:14px}
.f-field label{display:block;font-size:13.5px;font-weight:600;color:#c4d0e2;margin-bottom:7px}
.f-field input,.f-field select,.f-field textarea{
  width:100%;background:rgba(255,255,255,.045);border:1px solid var(--line-strong);
  border-radius:12px;padding:12px 16px;color:var(--text);font-family:inherit;font-size:14.5px;
  transition:border-color .3s,box-shadow .3s;outline:none;
}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,154,61,.15);
}
.f-field select{appearance:none;cursor:pointer}
.f-field select option{background:var(--surface-2);color:var(--text)}
.f-field textarea{resize:vertical;min-height:96px}
.form-msg{display:none;margin-top:14px;padding:13px 18px;border-radius:12px;font-size:14px;font-weight:600}
.form-msg.ok{display:block;background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.4);color:#6ee7b7}
.form-msg.err{display:block;background:rgba(248,113,113,.09);border:1px solid rgba(248,113,113,.4);color:#fca5a5}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#04070d;padding:58px 0 0}
.footer-main{
  display:flex;justify-content:space-between;gap:48px;align-items:flex-start;
  padding-bottom:44px;flex-wrap:wrap;
}
.fo-brand{max-width:680px}
.fo-brand .fo-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.fo-brand .fo-logo img{height:46px}
.fo-brand p{color:var(--muted);font-size:14.6px;line-height:2;white-space:normal}
.fo-cols{display:flex;gap:56px;flex-wrap:wrap}
.fo-col h4{font-size:15.5px;font-weight:800;margin-bottom:14px;color:#dbe5f2}
.fo-col a,.fo-col span{display:block;color:var(--muted);font-size:14px;margin-bottom:9px;transition:color .25s;max-width:280px}
.fo-col a:hover{color:var(--accent-2)}
.fo-col .ltr{direction:ltr;unicode-bidi:embed;display:inline-block}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-bottom p{color:var(--faint);font-size:13px}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--accent-2)}

/* page hero (inner pages) */
.page-hero{
  padding:92px 0 64px;text-align:center;position:relative;overflow:hidden;
  background:radial-gradient(90% 120% at 50% -20%,#0c1b30 0%,var(--bg) 70%);
  border-bottom:1px solid var(--line);
}
.page-hero .kicker{justify-content:center}
.page-hero .kicker::after{content:'';width:26px;height:2px;background:var(--accent);border-radius:2px}
.page-hero h1{font-size:clamp(28px,4vw,44px);font-weight:800;margin-bottom:14px}
.page-hero p{color:var(--muted);max-width:640px;margin:0 auto;font-size:16.5px}

/* products page */
.pcat{margin-bottom:72px}
.pcat-head{display:flex;align-items:center;gap:16px;margin-bottom:28px}
.pcat-head .pc-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(255,154,61,.1);border:1px solid rgba(255,154,61,.35);color:var(--accent-2)}
.pcat-head h2{font-size:23px;font-weight:800}
.pcat-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:stretch}
.pcat-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#000;min-height:320px}
.pcat-media img,.pcat-media svg{width:100%;height:100%;object-fit:cover}
.pcat-body{display:flex;flex-direction:column;gap:16px}
.pcat-body > p{color:var(--muted);font-size:15px;text-align:justify}
.spec-table{border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;font-size:14px}
.spec-table .sr{display:grid;grid-template-columns:1fr 1.6fr;border-bottom:1px solid var(--line)}
.spec-table .sr:last-child{border-bottom:none}
.spec-table .sr > div{padding:11px 18px}
.spec-table .sk{background:rgba(255,255,255,.035);color:#b9c6da;font-weight:600}
.spec-table .sv{color:var(--muted)}
.pcat-body .btn{align-self:flex-start}

/* about page */
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:52px;align-items:center}
.about-grid .about-txt p{color:var(--muted);font-size:15.5px;margin-bottom:16px;text-align:justify}
.about-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg)}
.cert-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.cert{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px;text-align:center}
.cert b{color:var(--accent-2);display:block;font-size:15.5px;margin-bottom:4px}
.cert span{font-size:12.8px;color:var(--muted)}

/* chat widget */
.chat-fab{
  position:fixed;bottom:26px;inset-inline-end:26px;z-index:90;
  display:flex;align-items:center;gap:11px;padding:13px 21px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#221204;
  font-weight:800;font-size:14.5px;border:none;cursor:pointer;font-family:inherit;
  box-shadow:0 14px 44px -8px var(--glow);transition:transform .3s;
}
.chat-fab:hover{transform:translateY(-3px)}
.chat-panel{
  position:fixed;bottom:96px;inset-inline-end:26px;z-index:95;width:min(390px,calc(100vw - 40px));
  height:min(560px,calc(100vh - 130px));display:none;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line-strong);border-radius:22px;
  box-shadow:0 34px 90px -16px rgba(0,0,0,.8);
}
.chat-panel.open{display:flex;animation:chatin .35s var(--ease)}
@keyframes chatin{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.chat-head{display:flex;align-items:center;gap:12px;padding:16px 20px;
  background:linear-gradient(135deg,#0c2438,#081525);border-bottom:1px solid var(--line)}
.chat-head .ch-av{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#221204;flex-shrink:0}
.chat-head b{font-size:15px;display:block}
.chat-head span{font-size:12px;color:#ffd0a1;display:flex;align-items:center;gap:6px}
.chat-head span::before{content:'';width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 8px #34d399}
.chat-close{margin-inline-start:auto;background:none;border:none;color:var(--muted);cursor:pointer;font-size:20px;padding:4px}
.chat-body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.chat-body::-webkit-scrollbar{width:5px}
.chat-body::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:4px}
.msg{max-width:85%;padding:11px 16px;border-radius:16px;font-size:14px;line-height:1.9;white-space:pre-wrap}
.msg.bot{background:rgba(255,255,255,.055);border:1px solid var(--line);border-start-start-radius:5px;align-self:flex-start}
.msg.user{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#221204;font-weight:600;border-start-end-radius:5px;align-self:flex-end}
.msg.typing{display:inline-flex;gap:5px;align-items:center;padding:14px 18px}
.msg.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:tp 1.2s infinite}
.msg.typing i:nth-child(2){animation-delay:.18s}.msg.typing i:nth-child(3){animation-delay:.36s}
@keyframes tp{0%,60%,100%{opacity:.3;transform:none}30%{opacity:1;transform:translateY(-4px)}}
.chat-quick{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 10px}
.chat-quick button{
  background:rgba(255,154,61,.07);border:1px solid rgba(255,154,61,.35);color:var(--accent-2);
  font-family:inherit;font-size:12.5px;font-weight:600;padding:7px 13px;border-radius:999px;cursor:pointer;
  transition:all .25s;
}
.chat-quick button:hover{background:var(--accent);color:#221204}
.chat-foot{display:flex;gap:10px;padding:14px 16px;border-top:1px solid var(--line);background:rgba(255,255,255,.02)}
.chat-foot input{
  flex:1;background:rgba(255,255,255,.05);border:1px solid var(--line-strong);border-radius:12px;
  padding:11px 16px;color:var(--text);font-family:inherit;font-size:14px;outline:none;
}
.chat-foot input:focus{border-color:var(--accent)}
.chat-foot button{
  width:46px;border-radius:12px;border:none;cursor:pointer;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#221204;flex-shrink:0;
}
[dir="rtl"] .chat-foot button svg{transform:scaleX(-1)}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
.noanim .rv{opacity:1!important;transform:none!important;transition:none!important}
.noanim *{animation:none!important}

/* responsive */
@media(max-width:1024px){
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .line-steps{grid-template-columns:repeat(3,1fr);row-gap:26px}
  .pcat-grid,.about-grid{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:16px;padding-top:40px}
  .hero-in{padding:26px 0 0}
  .hero-photos{max-width:560px;margin:30px auto 50px}
}
@media(max-width:820px){
  .main-nav{
    position:fixed;inset-inline:0;top:0;bottom:auto;z-index:49;flex-direction:column;align-items:stretch;
    background:rgba(6,11,20,.98);backdrop-filter:blur(20px);padding:130px 26px 34px;gap:4px;
    transform:translateY(-100%);transition:transform .45s var(--ease);border-bottom:1px solid var(--line);
  }
  .main-nav.open{transform:none}
  .main-nav a{padding:14px 18px;font-size:17px}
  .nav-toggle{display:grid;place-items:center}
  .header-cta .cta-lbl{display:none}
  .topbar .tb-phone{display:none}
}
@media(max-width:640px){
  section{padding:66px 0}
  .hero-in{padding:18px 0 0}
  .hero-grid{padding-top:26px}
  .prod-grid,.feat-grid,.case-grid{grid-template-columns:1fr}
  .case{flex-direction:column}
  .f-row{grid-template-columns:1fr}
  .contact-info,.contact-form{padding:32px 24px}
  .footer-main{flex-direction:column;gap:34px}
  .line-steps{grid-template-columns:repeat(2,1fr)}
  .cert-row{grid-template-columns:1fr}
  .hero-stats{margin-top:34px}
  .brand .brand-t span{display:none}
  .brand img{height:36px}
  .brand .brand-t b{font-size:15.5px}
  .header-in{min-height:64px;gap:12px}
  .header-cta{padding:10px;border-radius:11px}
  .header-cta span{display:none}
  .nav-toggle{width:40px;height:40px}
  .topbar-in{gap:8px;justify-content:space-between}
  .topbar{font-size:12.5px}
  .hero-photos{margin:26px 8% 46px}
  .hp-a{inset-inline-start:-6%}
  .hp-b{inset-inline-end:-5%}
  .hp-c2{inset-inline-start:-5%}
  .hp-c1{inset-inline-end:-2%}
  .hero h1{font-size:clamp(27px,7.4vw,34px)}
  .btn{padding:13px 22px;font-size:15px}
  .chat-fab{padding:12px 18px;font-size:13.5px;bottom:18px;inset-inline-start:18px}
  .chat-panel{inset-inline-end:14px;bottom:88px}
}