/* ==========================================================================
   متال دتکتور صنعتی — استایل مشترک (نسخه‌ی بازطراحی‌شده: سرمه‌ای/فیروزه‌ای)
   ========================================================================== */

:root{
  /* ---- تم زرد صنعتی (Industrial Yellow) ---- */
  --bg:        #FFFFFF;
  --tint:      #F7F4E9;   /* بژ روشنِ صنعتی به‌جای آبی روشن */
  --panel:     #FFFFFF;
  --ink:       #1B1D1F;   /* ذغالی */
  --ink-soft:  #565A50;
  --navy:      #1C1F24;   /* سطوح تیره: هدر موبایل، فوتر، CTA — ذغالی */
  --navy-deep: #0E1013;
  --navy-mid:  #6A6C60;
  --navy-pale: #D8D2BE;   /* متن کم‌رنگ روی تیره */
  --teal:      #F5B301;   /* زرد صنعتی (لهجه اصلی) */
  --amber-ink: #8A6300;   /* زرد تیره برای متن روی زمینه روشن */
  --sidebar:   #191B1E;
  --line:      #E5E1D4;
  --on-navy:   #F0ECDF;
  --radius:    3px;
  --maxw:      1180px;
  --font:      'Vazirmatn', Tahoma, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:-0.01em;}
p{margin:0;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

:focus-visible{outline:3px solid var(--teal);outline-offset:2px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;transition-duration:0.001ms !important;}
}

/* ---------------- Header ---------------- */
.site-header{
  background:rgba(255,255,255,0.92);
  backdrop-filter:saturate(1.4) blur(10px);
  -webkit-backdrop-filter:saturate(1.4) blur(10px);
  color:var(--ink);
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(16,40,90,0.03);
  transition:box-shadow .25s ease, border-color .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:transparent;
  box-shadow:0 12px 32px rgba(16,40,90,0.12);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  font-size:1.05rem;
  color:var(--navy);
  white-space:nowrap;
}
.brand-mark{
  width:38px;height:38px;flex:none;
  border-radius:9px;
  transition:transform .2s ease;
}
.brand:hover .brand-mark{transform:scale(1.06) rotate(-3deg);}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text small{
  font-weight:500;
  font-size:0.72rem;
  color:var(--ink-soft);
  letter-spacing:0.02em;
}

.main-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;}
.main-nav > ul{display:flex;align-items:center;gap:2px;flex-wrap:wrap;justify-content:center;}
.main-nav a.nav-link{
  position:relative;
  display:block;
  padding:10px 14px;
  font-size:0.92rem;
  font-weight:700;
  color:var(--ink);
  border-radius:var(--radius);
  transition:background .15s ease, color .15s ease;
}
.main-nav a.nav-link::after{
  content:"";
  position:absolute;
  inset-inline:14px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--teal);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s ease;
}
.main-nav a.nav-link:hover,
.main-nav a.nav-link:focus-visible{background:var(--tint);color:var(--navy);}
.main-nav a.nav-link:hover::after,
.main-nav a.nav-link:focus-visible::after,
.main-nav a.nav-link.is-active::after{transform:scaleX(1);}
.main-nav a.nav-link.is-active{color:var(--navy);}

.has-sub{position:relative;}
.sub-menu{
  display:none;
  position:absolute;
  top:100%;
  inset-inline-end:0;
  min-width:260px;
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:0 12px 28px rgba(16,40,90,0.14);
  padding:6px;
  border-radius:var(--radius);
}
.has-sub:hover .sub-menu,
.has-sub:focus-within .sub-menu{display:block;}
.sub-menu a{
  display:block;
  padding:10px 12px;
  color:var(--ink);
  font-size:0.9rem;
  border-radius:2px;
}
.sub-menu a:hover{background:var(--tint);color:var(--navy);}

.header-cta{
  display:flex;
  align-items:center;
  gap:16px;
  white-space:nowrap;
}
.header-search{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  color:var(--navy);
  border:1px solid var(--line);
  border-radius:50%;
  flex:none;
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.header-search:hover{
  background:var(--teal);color:#17181A;border-color:var(--teal);transform:scale(1.06);
}
.header-search svg{width:16px;height:16px;}
.header-phone{
  font-size:0.85rem;
  color:var(--ink-soft);
}
.header-phone strong{display:block;color:var(--navy);font-size:0.98rem;letter-spacing:0.02em;}

.lang-switch{
  font-size:0.82rem;
  font-weight:700;
  color:var(--navy);
  border:1px solid var(--line);
  border-radius:8px;
  padding:6px 10px;
  white-space:nowrap;
  transition:background .18s ease, border-color .18s ease;
}
.lang-switch:hover{background:var(--tint);border-color:var(--navy-mid);}

.nav-toggle{
  display:none;
  background:none;border:1px solid var(--line);
  border-radius:var(--radius);
  width:44px;height:40px;
  color:var(--navy);
  cursor:pointer;
}
/* رنگ آیکون همبرگری از CSS بیاید تا در همه صفحات با تم هم‌رنگ شود */
.nav-toggle svg path{stroke:currentColor;}
.site-header.is-open .main-nav a.nav-link{color:#fff;}
.site-header.is-open .main-nav a.nav-link:hover,
.site-header.is-open .main-nav a.nav-link:focus-visible{background:rgba(255,255,255,0.10);color:#fff;}
.site-header.is-open .sub-menu a:hover{background:rgba(255,255,255,0.10);color:#fff;}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  font-family:var(--font);
  font-size:0.95rem;
  font-weight:700;
  border-radius:9px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .12s ease, background .15s ease, border-color .15s ease, box-shadow .18s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:linear-gradient(135deg,#FFC400 0%,#F0A500 100%);
  color:#17181A;
  box-shadow:0 6px 16px rgba(240,165,0,0.35);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#FFD23F 0%,#F5B301 100%);
  box-shadow:0 10px 24px rgba(240,165,0,0.45);
}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy-mid);}
.btn-outline:hover{border-color:var(--navy);background:var(--tint);}
.btn-on-steel{background:transparent;color:#fff;border-color:rgba(255,255,255,0.45);}
.btn-on-steel:hover{border-color:#fff;background:rgba(255,255,255,0.08);}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------------- Hero ---------------- */
.hero{
  position:relative;
  background:linear-gradient(180deg,var(--navy) 0%, var(--navy-deep) 100%);
  color:var(--on-navy);
  padding:64px 0 0;
  overflow:hidden;
}
/* پس‌زمینه تصویر خط تولید با زوم آرام (Ken Burns) */
.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
  overflow:hidden;
}
.hero-bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 40%;
  transform:scale(1.04);
  transform-origin:center;
  animation:hero-kenburns 10s ease-in-out infinite alternate;
  will-change:transform;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to left,rgba(14,16,19,0.90) 0%,rgba(14,16,19,0.74) 55%,rgba(14,16,19,0.58) 100%);
}
@keyframes hero-kenburns{
  from{transform:scale(1.04);}
  to{transform:scale(1.16);}
}
.hero .container{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:48px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.82rem;
  color:var(--navy-pale);
  border:1px solid rgba(255,255,255,0.22);
  padding:6px 12px;
  border-radius:var(--radius);
  margin-bottom:20px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);flex:none;}
.hero h1{
  font-size:clamp(0.95rem,1.7vw,1.35rem);
  color:#fff;
  margin-bottom:20px;
  max-width:16ch;
}
.hero p.lead{
  font-size:1.06rem;
  color:var(--on-navy);
  max-width:52ch;
  margin-bottom:30px;
}
.hero-figure{align-self:end;}
.hero-figure svg{width:100%;height:auto;}

/* ---------------- Stat strip ---------------- */
.stat-strip{
  background:var(--navy-deep);
  border-top:2px solid var(--teal); /* خط هشدارِ زرد صنعتی */
}
.stat-strip .container{
  display:flex;
  flex-wrap:wrap;
}
.stat-item{
  flex:1 1 220px;
  padding:26px 28px;
  border-inline-start:1px solid rgba(255,255,255,0.14);
  color:var(--on-navy);
  display:block;
  text-decoration:none;
  transition:background .15s ease;
}
a.stat-item:hover{background:rgba(255,255,255,0.06);}
.stat-item:first-child{border-inline-start:none;}
.stat-item .num{
  display:block;
  font-size:1.7rem;
  font-weight:800;
  color:#fff;
  margin-bottom:4px;
}
.stat-item .lbl{font-size:0.86rem;color:var(--navy-pale);}

/* ---------------- Sections ---------------- */
.section{padding:76px 0;}
.section.alt{background:var(--tint);}
.section-head{
  max-width:640px;
  margin-bottom:44px;
}
.section-tag{
  display:inline-block;
  font-size:0.82rem;
  font-weight:700;
  color:var(--amber-ink);
  border-bottom:2px solid var(--teal);
  padding-bottom:4px;
  margin-bottom:16px;
}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.05rem);color:var(--ink);}
.section-head p{margin-top:14px;color:var(--ink-soft);font-size:1rem;}

.hr{border:none;border-top:1px solid var(--line);margin:0;}

/* ---------------- Feature / reasons row ---------------- */
.reason-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border:1px solid var(--line);
}
.reason{
  padding:30px 28px;
  border-inline-start:1px solid var(--line);
  background:#fff;
}
.reason:first-child{border-inline-start:none;}
.reason .icon{width:38px;height:38px;color:var(--navy);margin-bottom:16px;}
.reason h3{font-size:1.05rem;color:var(--ink);margin-bottom:10px;}
.reason p{color:var(--ink-soft);font-size:0.94rem;}

/* ---------------- Product teaser cards ---------------- */
.product-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.product-card{
  background:var(--panel);
  border:1px solid var(--line);
  padding:0;
  display:flex;
  flex-direction:column;
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 1px 3px rgba(16,40,90,0.05);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.product-card:hover{
  transform:translateY(-5px);
  border-color:#CBD8EA;
  box-shadow:0 18px 40px rgba(16,40,90,0.14);
}
.product-card .figure{
  background:var(--tint);
  padding:22px;
  border-bottom:1px solid var(--line);
}
.product-card .figure svg{width:100%;height:140px;}
/* photo variant: real machine image with gradient overlay */
.product-card .figure.has-photo{
  position:relative;
  padding:0;
  overflow:hidden;
  border-bottom:none;
}
.product-card .figure.has-photo .card-photo{
  display:block;
  width:100%;
  height:190px;
  object-fit:cover;
  transition:transform .45s ease;
}
.product-card:hover .figure.has-photo .card-photo{transform:scale(1.05);}
.product-card .figure.has-photo::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,17,18,0) 45%,rgba(16,17,18,0.55) 100%);
  pointer-events:none;
}
.product-card .figure .figure-badge{
  position:absolute;
  inset-inline-start:14px;
  bottom:12px;
  z-index:1;
  font-size:0.75rem;
  font-weight:700;
  color:#17181A;
  background:rgba(245,179,1,0.92);
  border:1px solid rgba(23,24,26,0.25);
  border-radius:999px;
  padding:4px 12px;
  backdrop-filter:blur(4px);
}
.product-card .body{padding:24px;flex:1;display:flex;flex-direction:column;}
.product-card h3{font-size:1.08rem;color:var(--ink);margin-bottom:10px;}
.product-card p{color:var(--ink-soft);font-size:0.92rem;margin-bottom:16px;}
.product-card .divider{border-top:1px solid var(--line);margin:14px 0;}
.product-card .ideal-label{font-size:0.85rem;color:var(--ink-soft);margin-bottom:8px;}
.product-card .ideal-list{margin-bottom:16px;}
.product-card .ideal-list li{
  font-size:0.87rem;color:var(--ink-soft);
  position:relative;padding-inline-end:16px;margin-bottom:6px;
}
.product-card .ideal-list li::before{
  content:"";position:absolute;inset-inline-end:0;top:9px;
  width:5px;height:5px;background:var(--navy-mid);border-radius:50%;
}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
.chip{
  font-size:0.76rem;
  color:var(--navy);
  border:1px solid var(--line);
  background:var(--tint);
  border-radius:2px;
  padding:3px 9px;
}
.link-arrow{
  font-weight:700;
  font-size:0.9rem;
  color:var(--navy);
  display:inline-flex;
  align-items:center;
  gap:6px;
  text-decoration:none;
  position:relative;
  padding-bottom:2px;
}
.link-arrow::after{
  content:"";
  position:absolute;
  inset-inline:0;
  bottom:0;
  height:1.5px;
  background:var(--teal);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s ease;
}
.link-arrow:hover::after,
.link-arrow:focus-visible::after{transform:scaleX(1);}
.link-arrow:hover{color:var(--amber-ink);}

/* ---------------- Process steps ---------------- */
.process{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  border:1px solid var(--line);
}
.process-step{
  padding:26px 22px;
  border-inline-start:1px solid var(--line);
  background:var(--panel);
}
.process-step:first-child{border-inline-start:none;}
.process-step .step-num{
  font-size:0.8rem;
  color:var(--navy);
  font-weight:800;
  display:block;
  margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.process-step h3{font-size:0.98rem;color:var(--ink);margin-bottom:8px;}
.process-step p{font-size:0.86rem;color:var(--ink-soft);}

/* ---------------- Spec table ---------------- */
.spec-table{width:100%;border-collapse:collapse;font-size:0.92rem;}
.spec-table th, .spec-table td{
  text-align:start;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.spec-table th{color:var(--navy);width:38%;font-weight:700;background:var(--tint);}
.spec-table td{color:var(--ink-soft);}

/* ---------------- Product detail block ---------------- */
.product-detail{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:48px;
  align-items:start;
  padding:64px 0;
}
.product-detail:not(:last-child){border-bottom:1px solid var(--line);}
.product-detail .figure-wrap{
  background:var(--tint);
  border:1px solid var(--line);
  padding:28px;
  position:sticky;
  top:96px;
}
.product-detail .figure-wrap svg{width:100%;height:auto;}
.product-detail .kicker{color:var(--amber-ink);font-weight:700;font-size:0.85rem;margin-bottom:10px;display:block;}
.product-detail h2{font-size:1.5rem;color:var(--ink);margin-bottom:16px;}
.product-detail .lead{color:var(--ink-soft);margin-bottom:22px;}
.product-detail h4{font-size:1rem;color:var(--ink);margin:26px 0 12px;}
.check-list li{
  position:relative;
  padding-inline-end:24px;
  margin-bottom:10px;
  color:var(--ink-soft);
  font-size:0.94rem;
}
.check-list li::before{
  content:"";
  position:absolute;
  inset-inline-end:0;
  top:8px;
  width:9px;height:9px;
  background:var(--navy);
}
.install-note{
  margin-top:24px;
  padding:16px 18px;
  background:var(--tint);
  border-inline-start:3px solid var(--navy);
  font-size:0.9rem;
  color:var(--navy);
}

/* ---------------- Product page layout (with sidebar) ---------------- */
.product-page-layout{
  display:grid;
  grid-template-columns:250px 1fr;
  gap:40px;
  align-items:start;
}
.product-sidebar{
  background:var(--sidebar);
  position:sticky;
  top:96px;
}
.product-sidebar .side-title{
  background:var(--navy);
  color:#fff;
  padding:16px 20px;
  font-weight:800;
  font-size:0.92rem;
}
.product-sidebar a{
  display:block;
  padding:15px 20px;
  color:#D6D2C6;
  font-size:0.89rem;
  font-weight:600;
  border-bottom:1px solid rgba(255,255,255,0.07);
  transition:background .15s ease, color .15s ease;
}
.product-sidebar a:hover{background:rgba(255,255,255,0.06);color:#fff;}
.product-sidebar a.active{background:var(--teal);color:#17181A;}

/* ---------------- Clients grid ---------------- */
.client-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--line);
}
.client-item{
  padding:26px 18px;
  text-align:center;
  border-inline-start:1px solid var(--line);
  border-top:1px solid var(--line);
  color:var(--navy);
  font-weight:700;
  font-size:0.95rem;
  background:#fff;
  display:block;
  text-decoration:none;
  transition:background .15s ease, color .15s ease;
}
a.client-item:hover{background:var(--tint);color:var(--amber-ink);}
.client-item:nth-child(4n+1){border-inline-start:none;}
.client-item:nth-child(-n+4){border-top:none;}

/* ---------------- CTA band ---------------- */
.cta-band{
  position:relative;
  background:var(--navy);
  color:#fff;
  padding:56px 0;
}
/* نوار هشدارِ اریب زرد/ذغالی (hazard stripes) */
.cta-band::before{
  content:"";
  position:absolute;
  top:0;inset-inline:0;
  height:7px;
  background:repeating-linear-gradient(-45deg,#F5B301 0 16px,#1C1F24 16px 32px);
}
.cta-band .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:1.4rem;color:#fff;max-width:30ch;}
.cta-band p{color:var(--navy-pale);margin-top:8px;}

/* ---------------- Contact ---------------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
}
.contact-info-list{margin-top:24px;}
.contact-info-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.contact-info-list .icon{width:22px;height:22px;color:var(--navy);flex:none;margin-top:2px;}
.contact-info-list strong{display:block;color:var(--ink);font-size:0.95rem;margin-bottom:2px;}
.contact-info-list span, .contact-info-list a{color:var(--ink-soft);font-size:0.93rem;}
.map-embed{
  border:1px solid var(--line);
  height:100%;
  min-height:340px;
}
.map-embed iframe{width:100%;height:100%;min-height:340px;border:0;display:block;}

.social-row{display:flex;gap:12px;margin-top:26px;}
.social-row a{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  color:var(--navy);
  border-radius:var(--radius);
  transition:background .15s ease,color .15s ease;
}
.social-row a:hover{background:var(--navy);color:#fff;border-color:var(--navy);}
.social-row svg{width:19px;height:19px;}

.contact-form{display:grid;gap:16px;}
.contact-form label{font-size:0.88rem;color:var(--ink);font-weight:700;margin-bottom:6px;display:block;}
.contact-form input,
.contact-form textarea{
  width:100%;
  font-family:var(--font);
  font-size:0.94rem;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:2px;
  background:#fff;
  color:var(--ink);
}
.contact-form textarea{min-height:130px;resize:vertical;}
.contact-form input:focus,
.contact-form textarea:focus{border-color:var(--navy-mid);outline:none;}

/* ---------------- Price estimator ---------------- */
.est-q{margin-bottom:32px;}
.est-q h3{font-size:1.05rem;color:var(--ink);margin-bottom:14px;}
.est-option{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:10px;
  cursor:pointer;
  transition:border-color .15s ease, background .15s ease;
}
.est-option:hover{border-color:var(--teal);background:var(--tint);}
.est-option input[type="radio"]{margin-top:4px;accent-color:var(--navy);flex:none;}
.est-option span{font-size:0.94rem;color:var(--ink-soft);line-height:1.6;}
.est-option:has(input:checked){border-color:var(--navy);background:var(--tint);}

/* ---------------- Footer ---------------- */
.site-footer{background:var(--navy);color:var(--navy-pale);padding:56px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,0.14);
}
.footer-grid h4{color:#fff;font-size:0.95rem;margin-bottom:16px;}
.footer-grid p{font-size:0.88rem;line-height:1.9;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid a{font-size:0.88rem;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 0;
  font-size:0.82rem;
  flex-wrap:wrap;
  gap:10px;
}

/* ---------------- About / timeline ---------------- */
.about-hero{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
}
.about-hero .figure svg{width:100%;height:auto;}
.value-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.value-item{padding:26px;border:1px solid var(--line);background:var(--panel);}
.value-item h3{font-size:1rem;color:var(--ink);margin-bottom:8px;}
.value-item p{font-size:0.92rem;color:var(--ink-soft);}

/* ---------------- Page hero (inner pages) ---------------- */
.page-hero{
  background:var(--navy);
  color:#fff;
  padding:52px 0;
}
.page-hero .crumb{color:var(--navy-pale);font-size:0.85rem;margin-bottom:12px;}
.page-hero h1{font-size:clamp(1.5rem,3vw,2.1rem);color:#fff;}
.page-hero p{color:var(--on-navy);margin-top:12px;max-width:60ch;}

/* ---------------- Services list ---------------- */
.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.service-item{
  display:flex;
  gap:18px;
  padding:24px;
  background:var(--panel);
  border:1px solid var(--line);
}
.service-item .icon{width:34px;height:34px;color:var(--navy);flex:none;}
.service-item h3{font-size:1rem;color:var(--ink);margin-bottom:8px;}
.service-item p{font-size:0.92rem;color:var(--ink-soft);}

/* ---------------- Language toggle ---------------- */
[lang="en"][hidden], [lang="fa"][hidden]{display:none !important;}
html[dir="ltr"] body{direction:ltr;}

.lang-toggle{
  display:flex;
  align-items:center;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  flex:none;
}
.lang-toggle button{
  font-family:var(--font);
  font-size:0.76rem;
  font-weight:800;
  padding:8px 11px;
  border:none;
  background:transparent;
  color:var(--ink-soft);
  cursor:pointer;
  letter-spacing:0.02em;
}
.lang-toggle button.is-active{background:var(--navy);color:#fff;}

/* ---------------- Real machine photo gallery ---------------- */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.gallery-item{
  background:var(--panel);
  border:1px solid var(--line);
}
.gallery-item .photo{
  aspect-ratio:4/3;
  overflow:hidden;
}
.gallery-item .photo img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.gallery-item .cap{
  padding:14px 16px;
  font-size:0.86rem;
  color:var(--ink-soft);
}

@media (max-width:980px){
  .gallery-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .gallery-grid{grid-template-columns:1fr;}
}

/* ---------------- Responsive layout ---------------- */
/* رنگ‌ها و هویت بصری در تمام اندازه‌ها یکسان می‌مانند؛ فقط اندازه و چیدمان تطبیق می‌یابد. */
@media (max-width:980px){
  .container{padding-inline:22px;}

  /* Header: همان تم سفید دسکتاپ، با منوی موبایل کاربردی */
  .site-header .container{min-height:70px;}
  .main-nav{display:none;}
  .header-search,.header-phone,.header-cta .btn-primary{display:none;}
  .brand-text small{display:none;}
  .brand{font-size:.92rem;min-width:0;overflow:hidden;}
  .brand-text{min-width:0;overflow:hidden;text-overflow:ellipsis;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}

  .site-header.is-open .main-nav{
    display:block;
    position:absolute;
    top:100%;
    inset-inline:0;
    background:var(--navy);
    padding:12px;
    border-top:1px solid rgba(255,255,255,.12);
    box-shadow:0 14px 30px rgba(0,0,0,.14);
  }
  .site-header.is-open .main-nav > ul{flex-direction:column;align-items:stretch;}
  .site-header.is-open .main-nav a.nav-link{color:#fff;}
  .site-header.is-open .main-nav a.nav-link:hover,
  .site-header.is-open .main-nav a.nav-link:focus-visible{background:rgba(255,255,255,.10);color:#fff;}
  .has-sub .sub-menu{position:static;display:none;box-shadow:none;border:none;background:rgba(0,0,0,.18);margin-top:4px;}
  .has-sub.is-open .sub-menu{display:block;}
  .has-sub.is-open .sub-menu a{color:#fff;}

  /* Hero: همان تصویر، رنگ و سبک؛ فقط مقیاس و ترتیب برای صفحه کوچک‌تر می‌شود. */
  .hero{padding:46px 0 0;}
  .hero .container{grid-template-columns:1fr;gap:28px;align-items:center;}
  .hero-copy{max-width:720px;margin-inline:auto;text-align:center;}
  .hero-eyebrow{margin-bottom:16px;}
  .hero h1{font-size:clamp(1.25rem,4.8vw,1.8rem);max-width:24ch;margin-inline:auto;}
  .hero p.lead{font-size:.98rem;max-width:60ch;margin-inline:auto;margin-bottom:24px;}
  .hero .btn-row{justify-content:center;}
  .hero-figure{order:initial;width:min(100%,560px);margin:0 auto;}
  .hero-figure svg{width:100%;height:auto;}
  .hero-bg img{object-position:center center;transform:scale(1.02);animation:none;}

  /* Grids become readable, not identical in size to desktop. */
  .reason-grid{grid-template-columns:1fr;}
  .reason{border-inline-start:none;border-top:1px solid var(--line);}
  .reason:first-child{border-top:none;}

  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .service-list{grid-template-columns:1fr;}
  .value-grid{grid-template-columns:1fr;}
  .process{grid-template-columns:repeat(2,minmax(0,1fr));}
  .process-step:nth-child(odd){border-inline-start:none;}
  .process-step{border-top:1px solid var(--line);}
  .process-step:nth-child(-n+2){border-top:none;}

  .client-grid{grid-template-columns:repeat(2,1fr);}
  .client-item:nth-child(4n+1){border-inline-start:1px solid var(--line);}
  .client-item:nth-child(odd){border-inline-start:none;}
  .client-item:nth-child(-n+4){border-top:1px solid var(--line);}
  .client-item:nth-child(-n+2){border-top:none;}

  .product-detail{grid-template-columns:1fr;}
  .product-detail .figure-wrap{position:static;}
  .product-page-layout{grid-template-columns:1fr;}
  .product-sidebar{position:static;}
  .contact-grid{grid-template-columns:1fr;gap:30px;}
  .about-hero{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item{border-inline-start:none !important;border-top:1px solid rgba(255,255,255,.14);}
  .stat-item:first-child{border-top:none;}

  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:600px){
  .container{padding-inline:16px;}
  .site-header .container{gap:12px;}
  .brand{font-size:.86rem;}
  .brand-mark{width:34px;height:34px;}
  .lang-toggle button{padding:7px 9px;}

  .hero{padding-top:34px;}
  .hero .container{gap:22px;}
  .hero-eyebrow{font-size:.72rem;padding:5px 9px;}
  .hero h1{font-size:clamp(1.18rem,6vw,1.55rem);margin-bottom:14px;}
  .hero p.lead{font-size:.9rem;line-height:1.85;margin-bottom:20px;}
  .hero .btn-row{display:grid;grid-template-columns:1fr;width:100%;gap:10px;}
  .hero .btn{width:100%;}
  .hero-figure{width:min(100%,430px);}
  .hero-bg img{object-position:58% center;}

  .product-grid{grid-template-columns:1fr;}
  .process{grid-template-columns:1fr;}
  .process-step:nth-child(-n+2){border-top:1px solid var(--line);}
  .process-step:first-child{border-top:none;}
  .client-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:1fr;}
}


/* GEO content block: concise, visible answers for users and answer engines */
.geo-answer {
  margin: 1.5rem 0 2rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid rgba(128,128,128,.22);
  border-radius: 14px;
  background: rgba(128,128,128,.045);
}
.geo-answer h2 { margin-top: 0; }
.geo-answer p:last-child { margin-bottom: 0; }
.geo-answer a { text-decoration: underline; text-underline-offset: 3px; }