/* PipeAnchor Supply — engineering-drawing design system */
:root{
  --paper:#F8F9F7; --panel:#EEF1F2; --ink:#14263A; --steel:#5C6B7A;
  --line:#C7D1D8; --primer:#C8501E; --primer-dk:#A63E14; --white:#FFFFFF;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --disp:'Barlow Condensed','Arial Narrow',sans-serif;
  --body:'Barlow',system-ui,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;font-size:17px}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* top utility bar */
.topbar{background:var(--ink);color:#C9D5E0;font-family:var(--mono);font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:7px 24px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
.topbar a:hover{color:#F2A47E}

/* header / nav */
header.site{background:var(--white);border-bottom:2px solid var(--ink);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1160px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-mark{width:38px;height:38px;flex:none}
.logo-name{font-family:var(--disp);font-weight:700;font-size:26px;letter-spacing:.5px;line-height:1;text-transform:uppercase}
.logo-name span{color:var(--primer)}
.logo-sub{font-family:var(--mono);font-size:9.5px;letter-spacing:1.6px;color:var(--steel);text-transform:uppercase}
nav.main ul{display:flex;gap:26px;list-style:none}
nav.main a{text-decoration:none;font-weight:500;font-size:15.5px;padding:6px 2px;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a[aria-current]{border-bottom-color:var(--primer);color:var(--primer-dk)}
.nav-cta{background:var(--primer);color:#fff!important;padding:9px 18px!important;border-bottom:none!important;font-weight:600}
.nav-cta:hover{background:var(--primer-dk);color:#fff!important}
.menu-btn{display:none;background:none;border:1.5px solid var(--ink);font-family:var(--mono);font-size:13px;padding:7px 12px;cursor:pointer}
@media(max-width:880px){
  nav.main{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);border-bottom:2px solid var(--ink)}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;gap:0;padding:8px 24px 16px}
  nav.main a{display:block;padding:11px 0}
  .menu-btn{display:block}
}

/* drawing-style section headers */
.sec-head{display:flex;align-items:baseline;gap:18px;border-bottom:1.5px solid var(--ink);padding-bottom:10px;margin-bottom:34px;flex-wrap:wrap}
.sec-head h2{font-family:var(--disp);font-weight:700;font-size:34px;letter-spacing:.5px;text-transform:uppercase}
.sec-head .dwg{font-family:var(--mono);font-size:11.5px;color:var(--steel);letter-spacing:1px;margin-left:auto}
.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:2px;text-transform:uppercase;color:var(--primer);display:block;margin-bottom:12px}

/* hero */
.hero{background:var(--white);border-bottom:1.5px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;padding:64px 24px 56px;align-items:center}
.hero h1{font-family:var(--disp);font-weight:700;font-size:52px;line-height:1.04;text-transform:uppercase;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:var(--primer)}
.hero p.lede{margin:20px 0 30px;font-size:18.5px;color:#31414F;max-width:56ch}
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:16px;padding:13px 26px;border:1.5px solid var(--ink)}
.btn-primary{background:var(--primer);border-color:var(--primer);color:#fff}
.btn-primary:hover{background:var(--primer-dk);border-color:var(--primer-dk)}
.btn-ghost{background:transparent;color:var(--ink);margin-left:12px}
.btn-ghost:hover{background:var(--ink);color:#fff}
.hero-draw{border:1.5px solid var(--ink);background:var(--white);padding:10px;position:relative}
.hero-draw .tb{position:absolute;right:10px;bottom:10px;border:1px solid var(--ink);font-family:var(--mono);font-size:9.5px;line-height:1.5;padding:5px 9px;background:var(--white);color:var(--steel)}
@media(max-width:880px){.hero .wrap{grid-template-columns:1fr;padding:44px 24px}.hero h1{font-size:40px}}

/* spec strip */
.strip{background:var(--ink);color:#DFE7EE}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;padding:0}
.strip .cell{padding:20px 24px;border-right:1px solid #2B4258}
.strip .cell:last-child{border-right:none}
.strip .num{font-family:var(--disp);font-weight:600;font-size:27px;color:#fff}
.strip .lab{font-family:var(--mono);font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:#9FB4C6}
@media(max-width:880px){.strip .wrap{grid-template-columns:repeat(2,1fr)}.strip .cell{border-bottom:1px solid #2B4258}}

section.block{padding:64px 0}
section.block.alt{background:var(--panel)}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:980px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid{grid-template-columns:1fr}}
.card{background:var(--white);border:1.5px solid var(--ink);text-decoration:none;display:flex;flex-direction:column;transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translate(-3px,-3px);box-shadow:5px 5px 0 var(--primer)}
.card .fig{border-bottom:1.5px solid var(--line);background:var(--white);padding:18px;height:190px;display:flex;align-items:center;justify-content:center}
.card .fig svg{max-height:150px;width:auto}
.card .body{padding:18px 20px 22px}
.card h3{font-family:var(--disp);font-weight:600;font-size:22.5px;text-transform:uppercase;letter-spacing:.4px}
.card .pn{font-family:var(--mono);font-size:10.5px;color:var(--primer);letter-spacing:1.4px}
.card p{font-size:15px;color:var(--steel);margin-top:8px}
.card .go{margin-top:auto;padding:0 20px 16px;font-family:var(--mono);font-size:12px;letter-spacing:1px;color:var(--primer-dk)}

/* dimension divider */
.dim{display:flex;align-items:center;gap:0;margin:0 auto;max-width:1160px;padding:0 24px;color:var(--steel)}
.dim::before,.dim::after{content:"";flex:1;border-top:1px solid var(--line)}
.dim svg{flex:none}

/* two-col feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
@media(max-width:880px){.split{grid-template-columns:1fr}}
.check li{list-style:none;padding-left:30px;position:relative;margin-bottom:13px;font-size:16.5px}
.check li::before{content:"";position:absolute;left:0;top:6px;width:14px;height:14px;background:var(--primer);clip-path:polygon(0 0,100% 0,100% 100%,0 100%);}
.check li b{font-weight:600}

/* tables */
table.spec{width:100%;border-collapse:collapse;background:var(--white);font-size:15px}
table.spec th{background:var(--ink);color:#fff;font-family:var(--mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;text-align:left;padding:11px 14px}
table.spec td{border:1px solid var(--line);padding:10px 14px}
table.spec tr:nth-child(even) td{background:var(--panel)}
table.spec td:first-child{font-family:var(--mono);font-size:13.5px}

/* photo placeholder */
.ph{border:1.5px dashed var(--steel);background:repeating-linear-gradient(45deg,var(--panel),var(--panel) 12px,var(--paper) 12px,var(--paper) 24px);display:flex;align-items:center;justify-content:center;min-height:230px;text-align:center;padding:20px}
.ph span{font-family:var(--mono);font-size:12px;letter-spacing:1px;color:var(--steel);background:var(--white);padding:6px 12px;border:1px solid var(--line)}

/* industries */
.ind{background:var(--white);border:1.5px solid var(--ink);padding:26px 26px 30px}
.ind h3{font-family:var(--disp);font-weight:600;font-size:24px;text-transform:uppercase}
.ind .tag{font-family:var(--mono);font-size:10.5px;color:var(--primer);letter-spacing:1.4px}
.ind p{font-size:15.5px;color:var(--steel);margin-top:10px}
.ind ul{margin:14px 0 0 18px;font-size:15px}

/* CTA band */
.cta-band{background:var(--primer);color:#fff}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:38px 24px;flex-wrap:wrap}
.cta-band h2{font-family:var(--disp);font-weight:700;font-size:32px;text-transform:uppercase;letter-spacing:.5px}
.cta-band p{opacity:.92}
.cta-band .btn{background:var(--white);border-color:var(--white);color:var(--primer-dk);font-weight:700}
.cta-band .btn:hover{background:var(--ink);border-color:var(--ink);color:#fff}

/* product detail pages */
.pd-hero{background:var(--white);border-bottom:1.5px solid var(--line)}
.pd-hero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:52px 24px;align-items:center}
@media(max-width:880px){.pd-hero .wrap{grid-template-columns:1fr}}
.pd-hero h1{font-family:var(--disp);font-weight:700;font-size:42px;line-height:1.05;text-transform:uppercase}
.pd-hero .lede{margin:16px 0 26px;color:#31414F;font-size:17.5px}
.crumb{font-family:var(--mono);font-size:12px;letter-spacing:1px;color:var(--steel);padding:14px 0 0}
.crumb a{color:var(--steel);text-decoration:none}
.crumb a:hover{color:var(--primer)}
.sidegrid{display:grid;grid-template-columns:2.2fr 1fr;gap:44px}
@media(max-width:880px){.sidegrid{grid-template-columns:1fr}}
.sidenav{border:1.5px solid var(--ink);background:var(--white);align-self:start;position:sticky;top:90px}
.sidenav h4{font-family:var(--mono);font-size:11.5px;letter-spacing:1.5px;text-transform:uppercase;background:var(--ink);color:#fff;padding:10px 16px}
.sidenav a{display:block;text-decoration:none;font-size:14.5px;padding:10px 16px;border-bottom:1px solid var(--line)}
.sidenav a:last-child{border-bottom:none}
.sidenav a:hover{background:var(--panel);color:var(--primer-dk)}
.sidenav a[aria-current]{background:var(--primer);color:#fff}
h2.sub{font-family:var(--disp);font-weight:600;font-size:26px;text-transform:uppercase;margin:34px 0 14px;border-left:4px solid var(--primer);padding-left:12px}
.pd-body p{margin-bottom:14px;color:#26374A}
.pd-body ul{margin:0 0 16px 20px}
.pd-body li{margin-bottom:8px}

/* forms */
form.rfq{background:var(--white);border:1.5px solid var(--ink);padding:28px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
@media(max-width:640px){.frow{grid-template-columns:1fr}}
label{font-family:var(--mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--steel);display:block;margin-bottom:6px}
input,select,textarea{width:100%;font-family:var(--body);font-size:16px;padding:11px 12px;border:1.5px solid var(--line);background:var(--paper)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primer);outline-offset:0;border-color:var(--primer)}
textarea{min-height:130px;resize:vertical}
.contact-card{background:var(--white);border:1.5px solid var(--ink);padding:24px;margin-bottom:18px}
.contact-card h3{font-family:var(--disp);font-size:22px;text-transform:uppercase;font-weight:600}
.contact-card p{font-size:15.5px;margin-top:6px}
.contact-card .big{font-family:var(--mono);font-size:16.5px;margin-top:8px}

/* footer */
footer.site{background:var(--ink);color:#B9C7D4;margin-top:0}
footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:34px;padding:52px 24px 40px}
@media(max-width:880px){footer .wrap{grid-template-columns:1fr 1fr}}
@media(max-width:560px){footer .wrap{grid-template-columns:1fr}}
footer h4{font-family:var(--mono);font-size:12px;letter-spacing:1.6px;text-transform:uppercase;color:#fff;margin-bottom:14px}
footer a{color:#B9C7D4;text-decoration:none;display:block;margin-bottom:9px;font-size:14.5px}
footer a:hover{color:#F2A47E}
footer p{font-size:14.5px}
.foot-bottom{border-top:1px solid #2B4258}
.foot-bottom .wrap{display:flex;justify-content:space-between;gap:12px;padding:16px 24px;font-family:var(--mono);font-size:11.5px;color:#7E93A6;flex-wrap:wrap}
:focus-visible{outline:2px solid var(--primer);outline-offset:2px}

/* ===================== V2 VISUAL UPGRADE ===================== */
/* faint grid paper on light sections */
body{background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:36px 36px;background-attachment:fixed;background-position:center top;}
body::before{content:"";position:fixed;inset:0;background:var(--paper);opacity:.88;pointer-events:none;z-index:-1}
section.block.alt{background:var(--panel)}

/* topbar accent */
.topbar{border-bottom:3px solid var(--primer)}

/* ---- BLUEPRINT HERO ---- */
.hero{background:#0D1F33;border-bottom:4px solid var(--primer);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
 background-image:
  linear-gradient(rgba(124,168,205,.16) 1px,transparent 1px),
  linear-gradient(90deg,rgba(124,168,205,.16) 1px,transparent 1px),
  linear-gradient(rgba(124,168,205,.07) 1px,transparent 1px),
  linear-gradient(90deg,rgba(124,168,205,.07) 1px,transparent 1px);
 background-size:120px 120px,120px 120px,24px 24px,24px 24px;}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(46,88,128,.55),transparent 60%)}
.hero .wrap{position:relative;z-index:2}
.hero .eyebrow{color:#FF9A62}
.hero h1{color:#F2F6FA;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero h1 em{color:#FF7A3D}
.hero p.lede{color:#B9CBDC}
.hero .btn-primary{box-shadow:0 6px 24px rgba(200,80,30,.45)}
.hero .btn-ghost{color:#F2F6FA;border-color:#7FA3C4}
.hero .btn-ghost:hover{background:#F2F6FA;border-color:#F2F6FA;color:#0D1F33}
.hero-draw{box-shadow:0 24px 60px rgba(0,0,0,.5);transform:rotate(-.6deg)}
.hero-draw::before{content:"";position:absolute;top:-9px;left:50%;transform:translateX(-50%);width:74px;height:18px;background:rgba(210,190,140,.85);border:1px solid rgba(0,0,0,.15);z-index:3}

/* hero corner registration marks */
.hero .wrap::before,.hero .wrap::after{content:"+";position:absolute;font-family:var(--mono);font-size:20px;color:rgba(148,185,216,.5)}
.hero .wrap::before{top:18px;left:18px}
.hero .wrap::after{bottom:14px;right:18px}

/* ---- stat strip boost ---- */
.strip{border-bottom:3px solid var(--primer)}
.strip .cell{position:relative;padding:26px 24px}
.strip .cell::before{content:"";position:absolute;left:24px;top:16px;width:26px;height:3px;background:var(--primer)}
.strip .num{font-size:34px;letter-spacing:.5px}

/* ---- cards: crosshair corners + livelier hover ---- */
.card{position:relative}
.card::before,.card::after{content:"";position:absolute;width:12px;height:12px;border:2px solid var(--primer);opacity:0;transition:opacity .18s}
.card::before{top:-2px;left:-2px;border-right:none;border-bottom:none}
.card::after{bottom:-2px;right:-2px;border-left:none;border-top:none}
.card:hover::before,.card:hover::after{opacity:1}
.card:hover{box-shadow:7px 7px 0 var(--primer)}
.card .fig svg{transition:transform .25s ease}
.card:hover .fig svg{transform:scale(1.07)}
.card .fig img{max-height:154px;width:auto;max-width:100%;transition:transform .25s ease}
.card:hover .fig img{transform:scale(1.07)}
.card .go{transition:letter-spacing .18s}
.card:hover .go{letter-spacing:2.5px}

/* ---- hazard stripe on CTA band ---- */
.cta-band{position:relative}
.cta-band::before{content:"";position:absolute;top:0;left:0;right:0;height:10px;
 background:repeating-linear-gradient(-45deg,var(--ink) 0 14px,#F2B21B 14px 28px)}
.cta-band .wrap{padding-top:48px}
.cta-band .btn{box-shadow:0 6px 18px rgba(0,0,0,.25)}

/* ---- section headers: index tab ---- */
.sec-head{position:relative}
.sec-head h2{position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;background:var(--primer)}

/* ---- product hero grid on light ---- */
.pd-hero{background:
 linear-gradient(rgba(199,209,216,.4) 1px,transparent 1px),
 linear-gradient(90deg,rgba(199,209,216,.4) 1px,transparent 1px),var(--white);
 background-size:28px 28px}
.pd-hero .hero-draw{box-shadow:10px 10px 0 rgba(20,38,58,.08)}

/* ---- footer accent ---- */
footer.site{border-top:4px solid var(--primer)}

/* ---- scroll reveal ---- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* hero draw-in for svg strokes */
@keyframes drawin{from{stroke-dashoffset:600}to{stroke-dashoffset:0}}
.hero-draw svg path,.hero-draw svg line,.hero-draw svg rect,.hero-draw svg circle{stroke-dasharray:600;stroke-dashoffset:0;animation:drawin 1.6s ease-out}

/* ---- real photos ---- */
figure.photo{margin:0;border:1.5px solid var(--ink);background:var(--white);padding:8px;position:relative}
figure.photo img{width:100%;height:auto;display:block}
figure.photo figcaption{font-family:var(--mono);font-size:11px;letter-spacing:1px;color:var(--steel);padding:8px 4px 0;text-transform:uppercase}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:760px){.photo-grid{grid-template-columns:1fr}}
.photo-grid figure.photo img{aspect-ratio:4/3;object-fit:cover}

/* ---- engineering capability (dark tech section) ---- */
.eng{background:#0D1F33;color:#DFE9F2;position:relative;overflow:hidden}
.eng::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(124,168,205,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(124,168,205,.12) 1px,transparent 1px);background-size:32px 32px}
.eng .wrap{position:relative;z-index:2}
.eng .sec-head{border-bottom-color:#3A5773}
.eng .sec-head h2{color:#F2F6FA}
.eng .sec-head .dwg{color:#7E9AB5}
.eng p.intro{max-width:72ch;color:#B9CBDC;margin-bottom:30px}
.eng .photo-grid figure.photo{border-color:#3A5773;background:#122B44}
.eng .photo-grid figcaption{color:#8FAAC4}
/* ===================== V3 SEO / CONVERSION UPGRADE ===================== */
/* page-level H1 inside drawing-style section headers (same look as h2) */
.sec-head h1{font-family:var(--disp);font-weight:700;font-size:34px;letter-spacing:.5px;text-transform:uppercase;position:relative;padding-left:16px}
.sec-head h1::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;background:var(--primer)}

/* WhatsApp / inquiry floating button */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:90;display:flex;align-items:center;gap:10px;background:#25D366;color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:12px 18px 12px 14px;border-radius:32px;box-shadow:0 8px 24px rgba(0,0,0,.28)}
.wa-float:hover{background:#1EBE5A}
.wa-float svg{width:24px;height:24px;flex:none}
@media(max-width:640px){.wa-float span{display:none}.wa-float{padding:13px}}

/* FAQ blocks (details/summary) */
.faq{border:1.5px solid var(--ink);background:var(--white);margin-bottom:10px}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 18px;font-weight:600;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:20px;color:var(--primer);flex:none}
.faq[open] summary::after{content:"–"}
.faq[open] summary{border-bottom:1px solid var(--line)}
.faq .faq-a{padding:14px 18px;font-size:15.5px;color:#26374A}
.faq .faq-a p{margin-bottom:10px}
.faq .faq-a p:last-child{margin-bottom:0}

/* RFQ process steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
@media(max-width:880px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{background:var(--white);border:1.5px solid var(--ink);padding:20px;position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--mono);font-size:12px;letter-spacing:1.5px;color:var(--primer);display:block;margin-bottom:8px}
.step h3{font-family:var(--disp);font-weight:600;font-size:20px;text-transform:uppercase}
.step p{font-size:14.5px;color:var(--steel);margin-top:6px}

/* wide tables scroll on mobile */
.tbl-scroll{overflow-x:auto;margin-bottom:8px}
.tbl-scroll table.spec{min-width:560px}
table.spec caption{caption-side:bottom;font-family:var(--mono);font-size:11.5px;color:var(--steel);text-align:left;padding:8px 2px;letter-spacing:.5px}

/* resource / article pages */
.article{max-width:800px}
.article h1{font-family:var(--disp);font-weight:700;font-size:40px;line-height:1.08;text-transform:uppercase;margin-bottom:10px}
.article .meta{font-family:var(--mono);font-size:12px;letter-spacing:1px;color:var(--steel);text-transform:uppercase;margin-bottom:26px}
.article p{margin-bottom:15px;color:#26374A}
.article ul,.article ol{margin:0 0 16px 22px}
.article li{margin-bottom:8px}
.article .callout{border:1.5px solid var(--ink);border-left:6px solid var(--primer);background:var(--white);padding:18px 20px;margin:22px 0;font-size:15.5px}
.article .callout b{font-weight:600}
.res-card h3{font-size:21px}
.res-card .fig{height:150px}

/* ---- export routes map ---- */
.routes{background:var(--white);border:1.5px solid var(--ink);padding:10px;position:relative}
.routes svg{display:block;width:100%;height:auto}
@keyframes dashmove{to{stroke-dashoffset:-40}}
.routes .rt{stroke-dasharray:6 7;animation:dashmove 2.4s linear infinite}
@media(prefers-reduced-motion:reduce){.routes .rt{animation:none}}