/* Teshi Group web network — shared stylesheet */
:root{
  --steel-900:#15212C; --steel-800:#1F2F3D; --steel-700:#2D4152; --steel-300:#9AAAB8;
  --steel-100:#E6EBEF; --line:#D3DAE0; --paper:#F7F8F9; --white:#FFFFFF;
  --ink:#18232D; --muted:#55626E;
  --straw:#C9962A; --bronze:#A8622A; --plum:#6B4688; --tblue:#2F5D9A; --peacock:#1B7373; --rust:#8C4A2F;
  --accent:var(--straw); --accent-ink:#FFFFFF;
  --tint:linear-gradient(90deg,#E6C25A 0%,#C98A3A 22%,#93506F 46%,#4B5FA6 70%,#7FB0CF 100%);
  --wrap:1200px; --gutter:clamp(16px,4vw,40px);
  --f:'Archivo',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
body.s-fittings{--accent:#B5841F}
body.s-pipefittings{--accent:var(--bronze)}
body.s-pipes{--accent:var(--tblue)}
body.s-fasteners{--accent:var(--plum)}
body.s-heavyfab{--accent:var(--rust)}
body.s-process{--accent:var(--peacock)}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:var(--f);font-size:1.0625rem;line-height:1.6;color:var(--ink);background:var(--paper);font-variation-settings:"wdth" 100}
img,svg{max-width:100%;display:block}
a{color:var(--steel-700);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-999px;top:0;background:var(--white);padding:8px 12px;z-index:1000}
.skip:focus{left:8px}

h1,h2,h3{font-variation-settings:"wdth" 110;line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.35rem);font-weight:800}
h2{font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:750}
h3{font-size:1.18rem;font-weight:700;font-variation-settings:"wdth" 108}
p{margin:0 0 1em;max-width:72ch}
.lead{font-size:1.17rem;color:var(--muted);max-width:66ch}

/* group bar */
.groupbar{background:var(--steel-900);color:var(--steel-300);font-size:.82rem}
.groupbar .wrap{display:flex;gap:6px 18px;align-items:center;flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;padding-top:7px;padding-bottom:7px;scrollbar-width:none}
.groupbar .wrap::-webkit-scrollbar{display:none}
@media (max-width:640px){.groupbar .gb-contact{display:none}}
.groupbar strong{color:#fff;font-weight:600;margin-right:4px}
.groupbar a{color:#C9D3DC;text-decoration:none}
.groupbar a:hover{color:#fff;text-decoration:underline}
.groupbar a[aria-current]{color:#fff;font-weight:600}
.groupbar .gb-contact{margin-left:auto;color:#fff}
.groupbar .gb-contact a{color:#fff}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:1px solid var(--line)}
.site-head::after{content:"";display:block;height:4px;background:var(--tint)}
.site-head .wrap{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand svg{width:38px;height:38px;flex:none}
.brand b{display:block;font-size:1.14rem;font-weight:800;font-variation-settings:"wdth" 120;letter-spacing:.01em;line-height:1.1}
.brand small{display:block;font-size:.78rem;color:var(--muted);line-height:1.2}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{white-space:nowrap;padding:8px 11px;text-decoration:none;color:var(--ink);font-weight:550;font-size:.95rem;border-radius:4px}
.nav a:hover,.nav a[aria-current]{color:var(--accent);background:var(--steel-100)}
.nav .btn{margin-left:8px}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:4px;padding:8px 12px;font:inherit;font-weight:600;color:var(--ink);cursor:pointer}
@media (max-width:1100px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--white);flex-direction:column;align-items:stretch;padding:8px var(--gutter) 16px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(21,33,44,.12)}
  .nav.open{display:flex}
  .nav a{padding:12px 8px;border-bottom:1px solid var(--steel-100)}
  .nav .btn{margin:10px 0 0;text-align:center}
}

/* buttons */
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink)!important;font-weight:700;text-decoration:none;padding:12px 20px;border-radius:4px;border:2px solid var(--accent);cursor:pointer;font:inherit;font-weight:700;line-height:1.2}
.btn:hover{filter:brightness(.92)}
.btn.ghost{background:transparent;color:#fff!important;border-color:rgba(255,255,255,.55)}
.btn.ghost:hover{border-color:#fff;filter:none;background:rgba(255,255,255,.08)}
.btn.line{background:transparent;color:var(--ink)!important;border-color:var(--line)}
.btn.line:hover{border-color:var(--accent);color:var(--accent)!important;filter:none}

/* hero */
.hero{background:var(--steel-900);color:#fff;position:relative;overflow:hidden}
.hero>.wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:56px}
.hero h1{color:#fff;font-variation-settings:"wdth" 108;max-width:21ch;font-size:clamp(2rem,4.2vw,3.05rem)}
.hero .lead{color:#C9D3DC}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero .drawing{color:#8FA3B5}
.hero .drawing svg{width:100%;height:auto}
.hero .drawing .acc{stroke:var(--accent)}
.hero .drawing text{fill:#B7C5D2;font-family:var(--f);font-size:13px}
.hero .drawing text.mark{fill:#E7EDF2;font-weight:700;letter-spacing:.06em}
.facts{border-top:1px solid rgba(255,255,255,.12)}
.facts ul{list-style:none;margin:0;padding:18px 0;display:flex;flex-wrap:wrap;gap:10px 36px;font-size:.95rem;color:#C9D3DC}
.facts b{color:#fff;font-weight:700;margin-right:6px}
@media (max-width:860px){.hero>.wrap{grid-template-columns:1fr;padding-top:44px}.hero .drawing{max-width:380px}}
@media (max-width:600px){.hero .drawing{display:none}.hero>.wrap{padding-bottom:36px}}

/* sub-page hero */
.pagehead{background:var(--steel-900);color:#fff}
.pagehead .wrap{padding-top:40px;padding-bottom:40px}
.pagehead h1{color:#fff;font-size:clamp(1.8rem,3.6vw,2.7rem);max-width:24ch}
.pagehead .lead{color:#C9D3DC;margin-bottom:0}
.crumbs{font-size:.88rem;color:var(--steel-300);margin-bottom:14px}
.crumbs a{color:#C9D3DC}
.crumbs span{margin:0 6px}

/* sections */
.sec{padding:64px 0;border-bottom:1px solid var(--line)}
.sec.alt{background:var(--white)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr);margin-bottom:28px}
.sec-head p{color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:24px}}

/* product index: a ruled list, not a card grid */
.plist{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.plist li{display:grid;grid-template-columns:minmax(180px,.9fr) 2fr auto;gap:8px 28px;padding:20px 0;border-bottom:1px solid var(--line);align-items:baseline}
.plist h3{margin:0}
.plist p{margin:0;color:var(--muted)}
.plist .go{font-weight:650;white-space:nowrap}
@media (max-width:760px){.plist li{grid-template-columns:1fr}}

/* data tables */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:6px;background:var(--white);margin:8px 0 12px;-webkit-overflow-scrolling:touch}
.tbl:focus-visible{outline-offset:-3px}
table{width:100%;border-collapse:collapse;font-size:.93rem;font-variant-numeric:tabular-nums}
caption{text-align:left;padding:12px 14px;font-weight:650;color:var(--ink);border-bottom:1px solid var(--line);background:var(--steel-100)}
th,td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
thead th{background:var(--steel-800);color:#fff;font-weight:650;font-size:.86rem;white-space:nowrap;position:sticky;top:0}
tbody th{font-weight:650;white-space:nowrap;background:#FBFCFC}
tbody tr:hover td,tbody tr:hover th{background:#F1F4F6}
td.n,th.n{text-align:right}
.note{font-size:.88rem;color:var(--muted)}

/* chips for grade lists */
.grades{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.grades li{border:1px solid var(--line);background:var(--white);padding:5px 10px;border-radius:3px;font-size:.9rem}
.grades a{text-decoration:none}

/* clients */
.clients{columns:3 220px;column-gap:40px;list-style:none;margin:0;padding:0}
.clients li{break-inside:avoid;padding:10px 0;border-bottom:1px solid var(--line)}
.clients b{display:block}
.clients span{color:var(--muted);font-size:.92rem}

/* quality steps — a real sequence */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;border-top:1px solid var(--line)}
.steps li{counter-increment:s;padding:20px 20px 20px 0;border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;border:2px solid var(--accent);color:var(--accent);font-weight:800;margin-bottom:10px}
.steps h3{margin-bottom:.3em}
.steps p{margin:0;color:var(--muted);font-size:.96rem}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;font-weight:650;padding:14px 32px 14px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:10px;font-size:1.4rem;color:var(--accent);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin:0 0 16px}

/* callout */
.callout{border-left:4px solid var(--accent);background:var(--white);padding:16px 20px;margin:20px 0;max-width:80ch}
.callout p:last-child{margin:0}

/* sister sites */
.sisters{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:0;border-top:1px solid var(--line)}
.sisters a{display:block;padding:18px 18px 18px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.sisters a b{display:block;font-variation-settings:"wdth" 112}
.sisters a span{color:var(--muted);font-size:.93rem}
.sisters a:hover b{color:var(--accent)}

/* RFQ */
.rfq{background:var(--steel-900);color:#fff;padding:64px 0}
.rfq h2{color:#fff}
.rfq .split{align-items:start}
.rfq p{color:#C9D3DC}
.rfq .direct{margin-top:22px;font-size:1.05rem}
.rfq .direct a{color:#fff;font-weight:700}
.rfq .direct div{margin-bottom:8px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:var(--steel-800);padding:24px;border-radius:6px}
.form .full{grid-column:1/-1}
.form label{display:block;font-size:.88rem;color:#C9D3DC;margin-bottom:5px}
.form input,.form select,.form textarea{width:100%;padding:11px 12px;border-radius:4px;border:1px solid #3E5466;background:#fff;color:var(--ink);font:inherit;font-size:1rem}
.form textarea{min-height:120px;resize:vertical}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .btn{width:100%}
.form small{color:var(--steel-300)}
@media (max-width:640px){.form{grid-template-columns:1fr;padding:18px}}

/* footer */
.foot{background:#0F1922;color:var(--steel-300);font-size:.92rem;padding:48px 0 28px}
.foot .grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:32px}
.foot h2{font-size:1rem;color:#fff;font-variation-settings:"wdth" 110;margin-bottom:12px}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:7px}
.foot a{color:#C9D3DC;text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot address{font-style:normal;line-height:1.7}
.foot .base{border-top:1px solid #24323F;margin-top:36px;padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
@media (max-width:900px){.foot .grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot .grid{grid-template-columns:1fr}}

/* sticky mobile action */
.mcta{display:none}
@media (max-width:640px){
  .mcta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--white);border-top:1px solid var(--line);box-shadow:0 -6px 18px rgba(21,33,44,.1)}
  .mcta a{flex:1;text-align:center;padding:13px 6px;font-weight:700;text-decoration:none;color:var(--ink)}
  .mcta a+a{background:var(--accent);color:var(--accent-ink)}
  body{padding-bottom:52px}
}

/* one orchestrated load moment: the heat-tint band draws across */
@media (prefers-reduced-motion:no-preference){
  .site-head::after{transform-origin:left;animation:tint 1.1s cubic-bezier(.2,.7,.2,1) both}
  @keyframes tint{from{transform:scaleX(0)}to{transform:scaleX(1)}}
}

@media print{
  .groupbar,.site-head,.rfq,.mcta,.nav-toggle,.foot .grid>div:not(:first-child){display:none!important}
  body{background:#fff;font-size:10pt}
  .hero,.pagehead{background:#fff;color:#000}
  .hero h1,.pagehead h1{color:#000}
  thead th{background:#ddd!important;color:#000;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .tbl{overflow:visible;border:0}
}

/* dropdown menus */
.dd{position:relative}
.dd-btn{font:inherit;font-weight:550;font-size:.95rem;color:var(--ink);background:none;border:0;padding:8px 26px 8px 11px;border-radius:4px;cursor:pointer;position:relative;white-space:nowrap}
.dd-btn::after{content:"";position:absolute;right:10px;top:50%;width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-70%) rotate(45deg);transition:transform .15s}
.dd.open .dd-btn::after{transform:translateY(-30%) rotate(-135deg)}
.dd-btn:hover,.dd.open .dd-btn,.dd.active .dd-btn{color:var(--accent);background:var(--steel-100)}
.dd-panel{display:none;position:absolute;top:calc(100% + 10px);left:0;min-width:320px;background:var(--white);border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:0 0 6px 6px;box-shadow:0 18px 40px rgba(21,33,44,.16);padding:8px;z-index:70}
.dd.open .dd-panel{display:block}
.dd-panel a{display:block;padding:10px 12px;border-radius:4px;text-decoration:none;color:var(--ink)}
.dd-panel a b{display:block;font-weight:650;font-size:.95rem}
.dd-panel a span{display:block;color:var(--muted);font-size:.85rem;line-height:1.35;margin-top:2px}
.dd-panel a:hover,.dd-panel a[aria-current]{background:var(--steel-100)}
.dd-panel a:hover b{color:var(--accent)}
@media (max-width:1100px){
  .dd-btn{width:100%;text-align:left;padding:12px 8px;border-bottom:1px solid var(--steel-100);border-radius:0}
  .dd-btn::after{right:12px}
  .dd-panel{position:static;box-shadow:none;border:0;border-left:3px solid var(--accent);border-radius:0;margin:4px 0 8px 8px;min-width:0;padding:0 0 0 8px}
  .dd-panel a span{display:none}
}

/* on-this-page jump list */
.toc{display:flex;flex-wrap:wrap;gap:6px 8px;align-items:center;margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14)}
.toc span{color:var(--steel-300);font-size:.88rem;margin-right:6px}
.toc a{color:#E6EBEF;text-decoration:none;font-size:.9rem;padding:5px 11px;border:1px solid rgba(255,255,255,.22);border-radius:999px}
.toc a:hover{border-color:var(--accent);color:#fff;background:rgba(255,255,255,.06)}

/* interactive finders */
.tool{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:6px;padding:22px 24px;margin:8px 0 28px}
.tool-head h3{margin-bottom:4px}
.tool-head p{color:var(--muted);margin-bottom:16px}
.tool-controls{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px}
.tool-controls label{display:flex;flex-direction:column;font-size:.85rem;font-weight:600;color:var(--muted);gap:5px}
.tool-controls select,.tool-controls input{font:inherit;font-size:1rem;color:var(--ink);padding:9px 10px;border:1px solid var(--line);border-radius:4px;background:var(--paper);min-width:120px}
.tool-controls input{width:120px}
.tool-out{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:0;margin:0;border-top:1px solid var(--line)}
.tool-out div{padding:12px 16px 12px 0;border-bottom:1px solid var(--line)}
.tool-out dt{font-size:.82rem;color:var(--muted)}
.tool-out dd{margin:2px 0 0;font-weight:700;font-size:1.08rem;font-variant-numeric:tabular-nums}
.tool .note{margin:12px 0 0}
.tools-grid{display:grid;grid-template-columns:1fr;gap:0}