/* =========================================================
   AK Pipe Industrial — Main Stylesheet
   Design tokens:
   Colors:
     --steel-900: #0E0E0E  (near-black - primary dark)
     --steel-700: #262626  (dark charcoal)
     --steel-500: #FF6A1A  (accent orange / CTA)
     --steel-200: #ECECEC  (light neutral - backgrounds)
     --paper:     #FAFAFA  (off-white background)
     --ink:       #161616  (text)
     --metal:     #6E6E6E  (neutral gray - secondary text)
     --warn:      #FF3B00  (used ONLY for technical callouts/specs - rare)
   Type:
     Display: 'Vazirmatn' (rounded, friendly Persian sans, falls back to
       'Barlow Condensed' for any Latin-only content)
     Body: 'Vazirmatn', falls back to 'Inter'
     Utility/specs: 'JetBrains Mono' (part numbers, datasheet figures)
   Signature element: "spec-card" — product cards styled like an engineering
   datasheet with corner brackets, like blueprint annotation marks.
   ========================================================= */

:root{
  --steel-900:#0E0E0E;
  --steel-700:#262626;
  --steel-500:#FF6A1A;
  --steel-300:#FFB37A;
  --steel-200:#ECECEC;
  --paper:#FAFAFA;
  --ink:#161616;
  --metal:#6E6E6E;
  --warn:#FF3B00;
  --card-bg:#FFFFFF;
  --cat-overlay-rgb:0,0,0;
  --radius:2px;
  --maxw:1180px;
  --font-body:'Vazirmatn','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-display:'Vazirmatn','Barlow Condensed',Impact,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;direction:rtl;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  direction:rtl;
  text-align:right;
}
img{max-width:100%;display:block;}
a{color:var(--steel-500);text-decoration:none;}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:3px solid var(--warn);
  outline-offset:2px;
}
h1,h2,h3,h4{
  font-family:var(--font-body);
  margin:0 0 .5em;
}
/* Theme's signature heading style — applied ONLY to pages NOT built
   with Elementor, so anything you design in Elementor stays fully
   under your own control (colors, fonts, casing, etc.). */
body.akpipe-default-design h1,
body.akpipe-default-design h2,
body.akpipe-default-design h3,
body.akpipe-default-design h4{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:.01em;
  color:var(--steel-900);
  text-transform:uppercase;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.mono{font-family:'JetBrains Mono',Consolas,monospace;}

/* ===== Top technical strip ===== */
.top-strip{
  background:var(--steel-900);
  color:var(--steel-200);
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  letter-spacing:.04em;
}
.top-strip .container{
  display:flex;justify-content:space-between;align-items:center;
  padding:6px 24px;flex-wrap:wrap;gap:6px;
}
.top-strip a{color:var(--steel-200);}

/* ===== Header ===== */
.site-header{
  background:var(--steel-900);
  border-bottom:3px solid var(--steel-500);
  position:sticky;top:0;z-index:50;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;
}
.brand{display:flex;align-items:center;gap:12px;}
.header-brand-group{display:flex;align-items:center;gap:32px;}
.brand-mark{
  width:42px;height:42px;border:2px solid rgba(255,255,255,.35);
  display:flex;align-items:center;justify-content:center;
  font-family:'Barlow Condensed';font-weight:800;color:#fff;
  position:relative;
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;width:6px;height:6px;border:1px solid var(--steel-500);
}
.brand-mark::before{top:-4px;left:-4px;}
.brand-mark::after{bottom:-4px;right:-4px;}
.brand-name{font-family:'Barlow Condensed';font-weight:800;font-size:22px;color:#fff;text-transform:uppercase;letter-spacing:.03em;}
.brand-name span{color:var(--steel-500);}
.brand-tagline{font-size:11px;color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:.08em;margin-top:-2px;}

.main-nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;}
.main-nav a{
  color:rgba(255,255,255,.85);font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:.03em;
  padding:6px 0;border-bottom:2px solid transparent;
}
.main-nav a:hover, .main-nav a.active{border-color:var(--steel-500);color:var(--steel-500);}

.btn-quote{
  background:var(--steel-500);color:#fff;padding:10px 20px;border-radius:var(--radius);
  font-weight:700;text-transform:uppercase;font-size:13px;letter-spacing:.04em;
  border:none;cursor:pointer;transition:filter .15s;
}
.btn-quote:hover{filter:brightness(.85);}

.nav-toggle{display:none;background:none;border:2px solid rgba(255,255,255,.4);padding:8px 10px;cursor:pointer;}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;margin:4px 0;}

/* ===== Hero ===== */
.hero{
  background:linear-gradient(135deg,var(--steel-900) 0%, var(--steel-700) 65%, var(--steel-500) 100%);
  color:#fff;position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.12;
  background-image:
    linear-gradient(0deg, transparent 24px, rgba(255,255,255,.5) 25px),
    linear-gradient(90deg, transparent 24px, rgba(255,255,255,.5) 25px);
  background-size:25px 25px;
  pointer-events:none;
}
.hero .container{
  position:relative;z-index:1;padding:90px 24px 100px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;
}
.hero-eyebrow{
  font-family:'JetBrains Mono',monospace;font-size:13px;letter-spacing:.12em;
  color:var(--steel-200);margin-bottom:18px;display:flex;align-items:center;gap:10px;
}
.hero-eyebrow::before{content:"";width:28px;height:2px;background:var(--warn);display:inline-block;}
.hero h1{
  color:#fff !important;font-size:clamp(34px,5vw,56px);line-height:1.05;margin-bottom:20px;
}
.hero h1 em{color:var(--steel-200);font-style:normal;}
.hero p{font-size:17px;color:#E7EEF2;max-width:480px;margin-bottom:30px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.btn-outline{
  border:2px solid #fff;color:#fff;padding:12px 22px;font-weight:700;
  text-transform:uppercase;font-size:13px;letter-spacing:.04em;border-radius:var(--radius);
}
.btn-outline:hover{background:#fff;color:var(--steel-900);}
.btn-solid{
  background:var(--steel-500);color:#fff;padding:12px 22px;font-weight:700;
  text-transform:uppercase;font-size:13px;letter-spacing:.04em;border-radius:var(--radius);
}
.btn-solid:hover{filter:brightness(.85);}

/* schematic diagram graphic */
.hero-diagram{position:relative;}
.hero-diagram svg{width:100%;height:auto;}

/* ===== Stats bar ===== */
.stats-bar{background:var(--steel-900);}
.stats-bar .container{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.15);
}
.stat{padding:22px 10px;text-align:center;border-right:1px solid rgba(255,255,255,.15);}
.stat:first-child{border-right:none;}
.stat .num{font-family:'Barlow Condensed';font-size:30px;font-weight:800;color:#fff;}
.stat .label{font-size:11px;color:var(--steel-200);text-transform:uppercase;letter-spacing:.07em;}

/* ===== Section generic ===== */
.section{padding:80px 0;}
.section-alt{background:var(--steel-200);}
.section-head{max-width:680px;margin:0 0 46px;}
.eyebrow{
  font-family:'JetBrains Mono',monospace;color:var(--steel-500);font-size:12px;
  letter-spacing:.12em;text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--steel-500);}
.section-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:14px;}
.section-head p{color:var(--metal);font-size:16px;max-width:560px;}

/* ===== Product categories ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cat-card{
  display:block;position:relative;overflow:hidden;aspect-ratio:3/4;border-radius:12px;
  text-decoration:none;color:#fff;
  transition:transform .2s;
}
.cat-card:hover{transform:translateY(-3px);}
.cat-card-img{
  position:absolute;inset:0;width:100%;height:100%;
  background:linear-gradient(135deg, var(--steel-700) 0%, var(--steel-900) 100%);
}
.cat-card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s;}
.cat-card:hover .cat-card-img img{transform:scale(1.06);}
.cat-card-img-placeholder{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
}
.cat-icon{width:44px;height:44px;color:var(--steel-500);transition:color .2s;}
.cat-card:hover .cat-icon{color:#fff;}
.cat-card-body{
  position:absolute;inset-inline:0;bottom:0;left:0;right:0;
  padding:46px 20px 18px;
  background:linear-gradient(to top, rgba(var(--cat-overlay-rgb),.35) 0%, rgba(var(--cat-overlay-rgb),.14) 55%, rgba(var(--cat-overlay-rgb),0) 100%);
  transition:background .3s ease;
}
.cat-card:hover .cat-card-body{
  background:linear-gradient(to top, rgba(var(--cat-overlay-rgb),.92) 0%, rgba(var(--cat-overlay-rgb),.65) 55%, rgba(var(--cat-overlay-rgb),0) 100%);
}
.cat-card h3{font-size:19px;margin-bottom:6px;color:#fff;}
.cat-card p{color:rgba(255,255,255,.8);font-size:13px;margin-bottom:0;}

/* ===== Promo image banners (link cards) ===== */
.promo-banner-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.promo-banner{
  display:block;position:relative;overflow:hidden;border-radius:10px;aspect-ratio:16/8;
  background:var(--steel-200);
}
.promo-banner img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s;}
.promo-banner:hover img{transform:scale(1.05);}

/* ===== Spec / datasheet cards (signature element) ===== */
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.spec-card{
  background:var(--card-bg);border:1px solid #DCE3E7;position:relative;padding:0;overflow:hidden;
}
.spec-card .corner{position:absolute;width:14px;height:14px;border:2px solid var(--steel-500);z-index:2;}
.spec-card .corner.tl{top:8px;left:8px;border-right:none;border-bottom:none;}
.spec-card .corner.tr{top:8px;right:8px;border-left:none;border-bottom:none;}
.spec-card .corner.bl{bottom:8px;left:8px;border-right:none;border-top:none;}
.spec-card .corner.br{bottom:8px;right:8px;border-left:none;border-top:none;}
.spec-card-body{padding:30px 28px;}
.spec-card-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px;}
.spec-card-head h3{font-size:20px;margin:0;}
.spec-tag{
  font-family:'JetBrains Mono',monospace;font-size:11px;background:var(--steel-200);
  color:var(--steel-900);padding:4px 8px;letter-spacing:.04em;
}
.spec-table{width:100%;font-size:13px;border-collapse:collapse;margin-top:14px;}
.spec-table td{padding:6px 0;border-bottom:1px solid #EEF1F2;color:var(--ink);}
.spec-table td:first-child{color:var(--metal);font-family:'JetBrains Mono',monospace;font-size:12px;}
.spec-table td:last-child{text-align:left;font-weight:600;}

/* ===== Why us ===== */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.why-item{text-align:right;}
.why-num{
  font-family:'Barlow Condensed';font-size:42px;font-weight:800;color:var(--steel-200);
  -webkit-text-stroke:1px var(--steel-500);
}
.why-item h4{font-size:16px;margin:6px 0 8px;}
.why-item p{color:var(--metal);font-size:14px;margin:0;}

/* ===== Process timeline ===== */
.process{display:flex;gap:0;counter-reset:step;}
.process-step{flex:1;position:relative;padding:0 0 0 18px;}
.process-step::after{
  content:"";position:absolute;top:18px;right:0;left:-18px;height:1px;background:var(--steel-200);
}
.process-step:last-child::after{display:none;}
.process-num{
  width:36px;height:36px;border:none;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-family:'Barlow Condensed';
  font-weight:800;color:#fff;background:var(--steel-500);position:relative;z-index:1;margin-bottom:14px;
}
.process-step h4{font-size:15px;margin-bottom:6px;}
.process-step p{color:var(--metal);font-size:13px;}

/* ===== CTA band ===== */
.cta-band{
  background:var(--steel-900);color:#fff;padding:60px 0;text-align:center;
  background-image:radial-gradient(circle at 80% 20%, rgba(255,255,255,.08), transparent 60%);
}
.cta-band h2{color:#fff !important;margin-bottom:14px;}
.cta-band p{color:var(--steel-200);max-width:560px;margin:0 auto 26px;}

/* ===== Footer ===== */
.site-footer{background:var(--steel-900);color:rgba(255,255,255,.7);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-grid h4{color:#fff !important;font-size:14px;margin-bottom:16px;}
.footer-grid ul{list-style:none;padding:0;margin:0;}
.footer-grid li{margin-bottom:10px;font-size:14px;}
.footer-grid a{color:rgba(255,255,255,.7);}
.footer-grid a:hover{color:var(--steel-500);}
.footer-bottom{
  padding:18px 0;font-size:12px;color:rgba(255,255,255,.45);display:flex;justify-content:space-between;
  font-family:'JetBrains Mono',monospace;flex-wrap:wrap;gap:8px;
}

/* ===== Contact page ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;padding:12px 14px;border:1px solid #DCE3E7;border-radius:var(--radius);
  font-family:'Inter';font-size:14px;margin-bottom:14px;background:#fff;
}
.contact-form label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--metal);margin-bottom:6px;}
.contact-info-card{background:var(--card-bg);border:1px solid #DCE3E7;padding:28px;}
.contact-info-card .row{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start;}
.contact-info-card .row strong{display:block;font-size:14px;}
.contact-info-card .row span{color:var(--metal);font-size:13px;}

/* ===== Big horizontal homepage slider ===== */
.hero-slider-wrap{padding:22px 0 6px;}
.hero-slider{
  position:relative;width:100%;height:280px;overflow:hidden;background:var(--steel-900);
  border-radius:14px;
}
.hero-slider-track{
  display:flex;height:100%;transition:transform .6s ease;
}
.hero-slide{
  flex:0 0 100%;height:100%;background-size:cover;background-position:center;background-repeat:no-repeat;
}
.hero-slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:46px;height:46px;border-radius:50%;border:2px solid rgba(255,255,255,.6);
  background:rgba(0,0,0,.45);color:#fff;font-size:24px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background .2s;
}
.hero-slider-arrow:hover{background:var(--steel-500);border-color:var(--steel-500);}
.hero-slider-arrow.prev{right:24px;}
.hero-slider-arrow.next{left:24px;}
.hero-slider-dots{
  position:absolute;bottom:22px;left:0;right:0;z-index:3;
  display:flex;justify-content:center;gap:10px;
}
.hero-slider-dot{
  width:10px;height:10px;border-radius:50%;border:2px solid #fff;background:transparent;
  padding:0;cursor:pointer;opacity:.6;
}
.hero-slider-dot.active{background:#fff;opacity:1;}

@media (max-width:680px){
  .hero-slider{height:170px;}
  .hero-slider-arrow{width:34px;height:34px;font-size:18px;}
  .hero-slider-arrow.prev{right:14px;}
  .hero-slider-arrow.next{left:14px;}
  .hero-slider-dots{bottom:12px;gap:7px;}
}
@media (max-width:420px){
  .hero-slider{height:140px;border-radius:10px;}
}

/* ===== Trust / certification strip ===== */
.trust-strip{display:flex;gap:14px;flex-wrap:wrap;}
.trust-badge{
  border:1px solid #DCE3E7;background:#fff;padding:10px 18px;font-size:13px;
  color:var(--steel-700);letter-spacing:.05em;
}

/* ===== Blog / news cards ===== */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.blog-card{display:block;background:var(--card-bg);border:1px solid #DCE3E7;color:inherit;overflow:hidden;}
.blog-card:hover{border-color:var(--steel-500);}
.blog-card-img{aspect-ratio:16/10;overflow:hidden;background:var(--steel-200);}
.blog-card-img img{width:100%;height:100%;object-fit:cover;}
.blog-card-body{padding:20px 22px;}
.blog-card-body h3{font-size:17px;margin-bottom:8px;}
.blog-card-body p{font-size:14px;color:var(--metal);margin:0;}

/* ===== Responsive ===== */
@media (max-width:980px){
  .hero .container{grid-template-columns:1fr;padding:60px 24px 70px;}
  .hero-diagram{order:-1;max-width:320px;margin:0 auto;}
  .cat-grid,.spec-grid,.why-grid,.blog-grid,.promo-banner-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .process{flex-direction:column;gap:20px;}
  .process-step{padding:0;}
  .process-step::after{display:none;}
  .section{padding:56px 0;}
}
@media (max-width:680px){
  .container{padding:0 16px;}
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  .header-brand-group{gap:12px;}
  .site-header .container{padding:10px 16px;}
  .brand-mark{width:34px;height:34px;font-size:13px;}
  .brand-name{font-size:17px;}
  .btn-quote{padding:8px 12px;font-size:11px;}
  .brand-tagline{display:none;}
  .stats-bar .container{grid-template-columns:repeat(2,1fr);}
  .stat{padding:14px 8px;}
  .stat .num{font-size:24px;}
  .cat-grid,.spec-grid,.why-grid,.contact-grid,.blog-grid,.promo-banner-grid{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .top-strip .container{justify-content:center;text-align:center;}
  .top-strip{font-size:10px;}
  .section{padding:36px 0;}
  .section-head{margin-bottom:22px;}
  .eyebrow{font-size:11px;}
  .hero .container{padding:44px 18px 54px;}
  .hero-ctas{width:100%;}
  .hero-ctas a{flex:1;text-align:center;}
  .spec-card-body,.contact-info-card{padding:18px 16px;}
  .contact-form input,.contact-form select,.contact-form textarea{font-size:16px;padding:10px 12px;}
  .cat-card{aspect-ratio:16/10;border-radius:8px;}
  .cat-card-body{padding:28px 14px 14px;}
  .cat-card h3{font-size:16px;}
  .cat-card p{font-size:12px;}
  .promo-banner{border-radius:8px;}
  .blog-card-body{padding:14px 16px;}
  .blog-card-body h3{font-size:15px;}
  .blog-card-body p{font-size:13px;}
  .process-num{width:30px;height:30px;font-size:14px;margin-bottom:10px;}
  .process-step h4{font-size:14px;}
  .process-step p{font-size:12px;}
  .btn-outline,.btn-solid{padding:10px 16px;font-size:12px;}
  .footer-bottom{font-size:11px;padding:14px 0;}
}
@media (max-width:420px){
  .brand-name{font-size:15px;}
  .brand-mark{width:30px;height:30px;font-size:12px;}
  .btn-quote{padding:7px 10px;font-size:10px;}
  .why-grid{grid-template-columns:1fr;}
  .section{padding:30px 0;}
  .cat-card{aspect-ratio:4/3;}
}