/* Jay Consultant v8 — source based design with mobile-safe layout.
   Static HTML and original server-side Cloudflare Worker preserved. */
:root{--ink:#111315;--muted:#4c5962;--metal:#c7ced3;--steel:#e7ebee;--pale:#f4f5f6;--white:#fff;--red:#ee283b;--shadow:4px 4px 0 #111315;--line:2px solid #111315;--measure:80ch}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:82px}
body{margin:0;background:#f4f5f6;color:var(--ink);font:400 16px/1.56 system-ui,-apple-system,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}
img,svg,video{max-width:100%}img{display:block}
button,select,input,textarea{font:inherit}button,summary{cursor:pointer}
a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1.5px}
a:hover{color:#111315}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
h1,h2,h3,h4{line-height:1.12;letter-spacing:-.035em;font-weight:850;margin:0 0 .75rem}
h1{font-size:clamp(2.1rem,4vw,4.15rem);max-width:20ch}
h2{font-size:clamp(1.5rem,2.3vw,2.18rem);max-width:40ch}
h3{font-size:1.16rem}
p{margin:.45rem 0 .9rem;max-width:var(--measure)}
.skip{position:absolute;left:-100vw;top:0;padding:.8rem;z-index:100;background:#fff;border:var(--line)}
.skip:focus{left:1rem;top:1rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:45px;padding:.65rem 1rem;background:white;color:var(--ink);border:var(--line);border-radius:0;box-shadow:var(--shadow);font-weight:850;font-size:.9rem;text-decoration:none;line-height:1.25;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.btn-red,.btn-yellow{background:var(--red);color:#fff}
.btn-red:hover,.btn-yellow:hover{background:#cb172b;color:#fff}
.btn-outline{background:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}
.site-header{background:#fff;border-bottom:var(--line);position:relative;z-index:30}
.masthead{max-width:1440px;margin:auto;display:flex;align-items:center;gap:1.1rem;padding:.65rem clamp(1rem,2.2vw,2rem)}
.brand{display:flex;align-items:center;gap:.7rem;line-height:1.1;text-decoration:none;margin-right:auto}
.brand-mark{background:linear-gradient(135deg,var(--red) 0 48%,#fff 48% 100%);color:var(--ink);display:grid;place-items:center;width:57px;height:57px;border:4px solid #111315;font-size:1.5rem;font-weight:950;box-shadow:3px 3px 0 var(--metal)}
.brand strong{display:block;font-size:clamp(1.05rem,1.8vw,1.48rem);font-weight:950;letter-spacing:-.055em}
.brand small{display:block;font-size:.64rem;font-weight:850;letter-spacing:.035em}
.head-phone{font-size:.87rem;font-weight:800;text-decoration:none}
.head-note{font-size:.7rem;font-weight:800;letter-spacing:.05em}
.head-quote{white-space:nowrap}
.nav-wide{display:flex;align-items:stretch;justify-content:center;gap:0;border-top:1px solid #b9c0c5;background:#fff;padding:0 1rem;min-height:46px}
.nav-wide>a,.nav-dropdown>summary{display:flex;align-items:center;font-size:.88rem;font-weight:850;text-decoration:none;padding:.68rem 1rem;border-right:1px solid #bbc3c8;min-height:46px}
.nav-wide>a:first-child{border-left:1px solid #bbc3c8}
.nav-wide>a:hover,.nav-dropdown>summary:hover,.nav-dropdown[open]>summary{background:var(--steel)}
.nav-dropdown{position:relative}
.nav-dropdown>summary{list-style:none;gap:.4rem}
.nav-dropdown>summary::after{content:"⌄";font-size:1.1em}
.nav-dropdown>summary::-webkit-details-marker{display:none}
.nav-dropdown-panel{position:absolute;top:100%;left:0;width:265px;max-width:min(330px,92vw);border:var(--line);background:#fff;box-shadow:var(--shadow);padding:.3rem;z-index:40}
.nav-dropdown-panel a{display:block;padding:.62rem .8rem;font-size:.88rem;font-weight:700;text-decoration:none;border-bottom:1px solid #d5d9dd}
.nav-dropdown-panel a:last-child{border-bottom:0}
.nav-dropdown-panel a:hover{background:var(--steel);text-decoration:underline}
.nav-mobile{display:none}
#main{max-width:1440px;margin:auto;padding:0 clamp(.9rem,2.2vw,2rem) 2rem}
.breadcrumbs{margin:.8rem 0;font-size:.8rem;font-weight:750}
.breadcrumbs ol{list-style:none;display:flex;gap:.3rem .55rem;flex-wrap:wrap;margin:0;padding:0}
.breadcrumbs li+li::before{content:"/";margin-right:.5rem;color:#5c646a}
.page-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(310px,.9fr);align-items:center;gap:1.4rem;background:var(--metal);border:var(--line);box-shadow:var(--shadow);padding:clamp(1.1rem,2.5vw,2.4rem);margin-bottom:1.3rem;overflow:hidden}
.page-hero .hero-copy{min-width:0}
.eyebrow{font-size:.72rem;font-weight:900;letter-spacing:.075em;text-transform:uppercase;margin:0 0 .8rem}
.page-hero h1{margin:0 0 1rem}
.hero-description{font-size:1.05rem;font-weight:580;line-height:1.5;max-width:62ch}
.hero-actions{display:flex;gap:.7rem;flex-wrap:wrap;margin:1.2rem 0}
.hero-foot{display:flex;flex-wrap:wrap;gap:.35rem .9rem;border-top:2px solid var(--ink);padding-top:.65rem;margin-top:1.1rem;font-size:.71rem;font-weight:800;text-transform:uppercase}
.hero-art{width:100%;max-width:100%;min-width:0}
.hero-render,.hero-lineup{width:100%;margin:0;background:#fff;border:2px solid #111315;padding:.5rem;overflow:hidden;box-shadow:3px 3px 0 var(--ink)}
.hero-render img{display:block;width:100%;height:385px;max-height:none;object-fit:contain;object-position:center;filter:none;background:#fff}
.hero-render figcaption,.hero-lineup figcaption{margin:.15rem auto 0;text-align:center;font-size:.69rem;font-weight:730;line-height:1.3;padding:.3rem .4rem;color:#3e474d}
.hero-lineup .lineup-images{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));align-items:end;gap:.2rem;min-height:350px}
.hero-lineup .lineup-images img{display:block;width:100%;min-width:0;max-width:100%;height:350px;object-fit:contain;background:#fff}
.gas-family-selector{background:white;border:var(--line);box-shadow:3px 3px var(--ink);padding:1.1rem;margin:0 0 1.3rem}
.gas-family-selector h2{margin-bottom:.3rem}
.gas-family-selector>p{font-size:.87rem;margin-bottom:.9rem}
.gas-family-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.65rem}
.gas-family-tile{border:2px solid var(--ink);background:var(--pale);padding:.55rem;text-decoration:none;min-width:0;display:flex;flex-direction:column;justify-content:start;gap:.25rem}
.gas-family-tile:hover{background:var(--steel)}
.gas-family-tile img{width:100%;height:155px;min-height:0;object-fit:contain;background:white;border:1px solid #c6cdd2}
.gas-family-tile strong{font-size:.84rem;line-height:1.25}
.gas-family-tile span{font-size:.72rem;text-decoration:underline;font-weight:700;margin-top:auto}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 258px;gap:1rem;align-items:start}
.main-article{min-width:0}.main-article>.section-card:last-child{margin-bottom:.3rem}
.section-card{min-width:0;background:#fff;border:var(--line);box-shadow:3px 3px var(--ink);padding:clamp(1rem,2vw,1.7rem);margin:0 0 1rem;scroll-margin-top:1rem}
.section-grey,.section-yellow,.new-technical{background:var(--steel)}
.section-question{border-top:3px solid var(--ink)}
.section-number{display:flex;justify-content:space-between;gap:1rem;border-bottom:1px solid #7b8389;padding-bottom:.45rem;margin-bottom:.85rem;font-size:.68rem;font-weight:900;letter-spacing:.05em}
.section-card h2{margin-bottom:.7rem}.section-body>p:first-child{font-weight:580;font-size:1rem}
.section-body h3{margin:1.3rem 0 .5rem}
.section-body p:last-child{margin-bottom:.3rem}
.right-rail{position:sticky;top:.8rem}
.contents,.rail-cta{background:#fff;border:var(--line);padding:.8rem;margin-bottom:1rem;box-shadow:3px 3px var(--ink)}
.contents>strong,.rail-cta strong{display:block;font-size:.75rem;font-weight:900;text-transform:uppercase;border-bottom:2px solid var(--ink);padding-bottom:.4rem}
.contents ol{list-style:none;counter-reset:toc;margin:.5rem 0 0;padding:0}
.contents li{counter-increment:toc;display:grid;grid-template-columns:1.65rem 1fr;border-bottom:1px solid #c0c6cb;padding:.42rem 0;font-size:.79rem;line-height:1.34}
.contents li::before{content:counter(toc,decimal-leading-zero);font-weight:850}
.contents a{text-decoration:none;font-weight:650}
.contents a:hover{text-decoration:underline}
.rail-cta{background:var(--metal)}.rail-cta p{font-size:.85rem}
.definition-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;margin:1rem 0}
.definition-grid>div{background:var(--pale);border:1.5px solid #111315;padding:.8rem;min-width:0}
.definition-grid dt{font-size:.72rem;font-weight:850;text-transform:uppercase}
.definition-grid dd{margin:.3rem 0 0;font-weight:620}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;margin:1rem 0}
.mini-card{border:2px solid var(--ink);padding:.85rem;background:#fff;min-width:0}
.mini-card:nth-child(even){background:var(--pale)}
.mini-card h3{margin:0 0 .45rem}.mini-card p{font-size:.88rem}.mini-card a{font-weight:850}
.table-scroll{max-width:100%;min-width:0;overflow-x:auto;border:1.5px solid #111315;margin:1rem 0;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.87rem;background:#fff}
caption,.spec-table caption{text-align:left;padding:.6rem .7rem;background:var(--steel);font-weight:850;border:1.5px solid var(--ink);border-bottom:0}
td,th,.spec-table th,.spec-table td{border:1px solid #58636a;text-align:left;padding:.62rem;vertical-align:top;overflow-wrap:break-word}
table thead th,.spec-table thead th{background:#c7192e;color:#fff;font-weight:900;border:2px solid #111315}
tbody tr:nth-child(even){background:#f0f2f3}
.fact-list,.gov-list{padding-left:1.25rem}.fact-list li,.gov-list li{margin:.35rem 0}
.fact-note,.spec-caveat,.policy-review-warning{background:var(--pale);border:2px solid #111315;border-left:5px solid #59636b;padding:.9rem;margin:1rem 0}
.fact-note strong{font-size:.78rem;font-weight:850;text-transform:uppercase}
.action-strip{display:flex;align-items:center;justify-content:space-between;gap:.8rem;border:1.5px solid #111315;background:var(--metal);padding:.8rem;margin:1rem 0 0}
.action-strip p{margin:0;font-size:.87rem;font-weight:750}
.section-bridge{margin:.8rem 0}.section-bridge a{font-weight:780}
.steps{list-style:none;display:grid;gap:.5rem;padding:0;counter-reset:steps}
.steps li{counter-increment:steps;display:grid;grid-template-columns:3rem minmax(0,1fr);grid-template-rows:auto auto;gap:.2rem .8rem;align-items:start;padding:.8rem;background:#fff;border:1.5px solid #111315}
.steps li::before{content:counter(steps,decimal-leading-zero);grid-column:1;grid-row:1/3;align-self:start;justify-self:start;padding:.25rem .45rem;font-weight:900;background:var(--metal);border:1px solid var(--ink)}
.steps li strong{grid-column:2;grid-row:1;display:block;min-width:0;max-width:100%;overflow-wrap:normal}
.steps li span{grid-column:2;grid-row:2;font-size:.88rem;min-width:0;overflow-wrap:break-word}
.gallery-section{background:var(--pale)}
.photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem}
.industrial-photo{margin:0;background:#fff;border:2px solid #111315;min-width:0}
.photo-frame{position:relative;aspect-ratio:4/3;overflow:hidden;background:#fff}
.photo-frame img{width:100%;height:100%;object-fit:cover}
.photo-ribbon{position:absolute;bottom:.4rem;left:.35rem;right:.35rem;padding:.25rem .4rem;background:rgba(255,255,255,.97);border:1px solid #111315;font-size:.63rem;font-weight:800}
.industrial-photo figcaption{padding:.6rem;font-size:.79rem;line-height:1.35}
.spec-table{width:100%;margin:1rem 0;font-size:.85rem}
.engineering-dl{margin:1rem 0}
.engineering-dl>div{display:grid;grid-template-columns:1fr 2fr;gap:.8rem;padding:.65rem .3rem;border-top:1px solid #737d84}
.engineering-dl>div:last-child{border-bottom:1px solid #737d84}
.engineering-dl dt{font-weight:850}.engineering-dl dd{margin:0}
.business-address,.display-address{display:block;border:var(--line);background:var(--steel);padding:1rem;font-style:normal;font-weight:780;margin:1rem 0}
.contact-buttons{display:flex;flex-wrap:wrap;gap:.65rem;margin:1rem 0}
.bottom-assurance{margin:1rem 0 0;padding:.85rem;border:1px solid var(--ink);background:var(--metal);font-size:.82rem}
.hero-product-photo img{width:100%;height:330px;object-fit:contain;background:#fff}
.rfq-panel{background:var(--metal);border:var(--line)}
.rfq-panel .rfq-form{background:#fff;border:1.5px solid #111315;padding:1rem}
.rfq-intro{border:1px solid var(--ink);background:#fff;padding:.8rem}
.rfq-form{display:grid;gap:.8rem;margin-top:1rem}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.78rem 1rem}
.rfq-form label:not(.checkline){display:flex;flex-direction:column;gap:.28rem;font-size:.8rem;font-weight:850;min-width:0}
.rfq-form input:not([type=checkbox]),.rfq-form select,.rfq-form textarea{width:100%;min-width:0;min-height:43px;background:#fff;border:1.5px solid #111315;border-radius:0;padding:.58rem .7rem;color:var(--ink)}
.rfq-form textarea{min-height:90px;resize:vertical}
.rfq-form .checkline{display:flex;align-items:flex-start;gap:.55rem;font-weight:620;font-size:.83rem}
.checkline input{accent-color:var(--red);width:18px;height:18px;flex-shrink:0}
.form-privacy{border-top:1px solid #a3a9ae;padding-top:.8rem}
.rfq-form .honeypot{position:absolute;left:-99999px}
.rfq-technical-details{border:1.5px solid var(--ink);padding:.75rem;background:var(--pale)}
.rfq-technical-details summary{font-weight:850}
.rfq-technical-details[open] summary{margin-bottom:.6rem}
.turnstile-slot{min-height:60px}
.form-actions{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap}
.form-status{font-size:.84rem;font-weight:700;margin:0}
.form-status[data-status=success]{color:#176041}
.form-status[data-status=error]{color:#a6001a}
.form-contact-fallback{background:var(--metal);border:1.5px solid #111315;padding:.75rem}
.site-footer{background:var(--ink);color:#fff;border-top:4px solid #5b636a}
.footer-top{max-width:1440px;margin:auto;padding:2rem clamp(1rem,2.2vw,2rem);display:grid;grid-template-columns:1.65fr repeat(3,1fr);gap:1.6rem}
.footer-brand strong{font-size:1.5rem}.red-dot{color:#fff}
.footer-brand address{font-size:.85rem;font-style:normal}
.footer-contact{display:flex;flex-direction:column;gap:.25rem;margin-top:.6rem}
.footer-contact a{color:#fff}
.site-footer nav{display:flex;flex-direction:column;gap:.35rem}
.site-footer nav strong{font-size:.82rem;border-bottom:1px solid #87919a;padding-bottom:.45rem;margin-bottom:.3rem}
.site-footer nav a{font-size:.85rem;text-decoration:none}.site-footer nav a:hover{text-decoration:underline;color:#fff}
.footer-bottom{max-width:1440px;margin:auto;border-top:1px solid #4b555c;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;padding:.85rem clamp(1rem,2.2vw,2rem);font-size:.73rem}
/* Dedicated RFQ — reference-inspired, with original names and endpoint */
.rfq-hero{grid-template-columns:minmax(0,1.25fr) minmax(240px,.65fr)}
.rfq-hero h1{max-width:18ch;font-size:clamp(2.1rem,3.5vw,3.65rem)}
.rfq-intake-section{background:#fff;border:var(--line);box-shadow:var(--shadow);padding:clamp(1rem,2.1vw,1.7rem);margin-bottom:1rem}
.rfq-intake-section>h2{max-width:none;font-size:clamp(1.65rem,2.6vw,2.35rem)}
.rfq-intake-intro{margin-bottom:1.2rem}
.rfq-intake-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:1rem;align-items:start}
.rfq-intake-form{min-width:0}
.wizard-form{border:2px solid var(--ink);padding:1rem;margin:0;background:white;box-shadow:3px 3px var(--ink)}
.wizard-nav{list-style:none;display:none;grid-template-columns:repeat(4,minmax(0,1fr));gap:.35rem;margin:0 0 1.15rem;padding:0}
.wizard-ready .wizard-nav{display:grid}
.wizard-nav li{min-width:0}
.wizard-tab{width:100%;height:100%;display:flex;align-items:center;gap:.4rem;background:#e9ecee;border:1.5px solid #111315;padding:.55rem .45rem;text-align:left;font-size:.74rem;line-height:1.2;font-weight:820}
.wizard-tab[data-active=true]{background:var(--metal);border:2px solid #111315}
.wizard-tab:disabled{opacity:.58;cursor:default}
.wizard-tab-num{background:var(--ink);color:#fff;display:grid;place-items:center;width:24px;height:24px;flex:0 0 24px}
.wizard-panel{border:0;padding:0;margin:0;min-width:0}
.wizard-panel[hidden]{display:none!important}
.wizard-panel legend{padding:0;font-size:.75rem;font-weight:800;color:var(--muted)}
.wizard-panel h3{font-size:1.35rem;max-width:none;margin:.3rem 0 .5rem}
.wizard-panel h3:focus{outline:none}
.step-description{font-size:.86rem;color:var(--muted);margin:0 0 .85rem}
.wizard-panel>.form-grid{margin:1rem 0}
.wizard-panel label.full-row{display:flex;flex-direction:column;gap:.35rem;margin:.6rem 0;font-weight:800}
.wizard-controls{display:none;justify-content:flex-end;gap:.6rem;border-top:1px solid #b1b9be;padding-top:.85rem;margin-top:1rem}
.wizard-ready .wizard-controls{display:flex}
.wizard-controls .btn{min-width:115px}
.rfq-review{display:grid;grid-template-columns:minmax(125px,36%) minmax(0,1fr);border-top:1px solid var(--ink)}
.rfq-review dt,.rfq-review dd{border-bottom:1px solid #c2c8cc;margin:0;padding:.4rem .55rem;overflow-wrap:anywhere;font-size:.83rem}
.rfq-review dt{font-weight:780;background:var(--steel)}
.review-group{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;background:var(--metal);padding:.4rem .5rem;margin-top:.65rem}
.review-edit{border:1px solid #111315;background:white;font-size:.78rem;font-weight:850;padding:.25rem .6rem}
.rfq-intake-help{border:2px solid var(--ink);background:var(--steel);padding:1rem;box-shadow:3px 3px 0 var(--ink)}
.rfq-intake-help h3{font-size:1rem}
.rfq-intake-help p{font-size:.84rem;margin:0 0 .8rem}
.rfq-intake-help .btn{width:100%;font-size:.78rem}
.selected-file{font-size:.82rem;font-weight:700}
.lead-shell{margin:1rem auto;max-width:1300px;background:#fff;padding:1.2rem;border:var(--line)}
.lead-box{background:#fff;border:var(--line);padding:1rem}
.lead-controls{display:flex;gap:1rem;flex-wrap:wrap}
.lead-status{font-weight:750}.leads-scroll{max-width:100%;overflow-x:auto}
.lead-table{min-width:850px}
@media(max-width:1150px){.content-layout{grid-template-columns:minmax(0,1fr) 218px}.nav-wide>a,.nav-dropdown>summary{padding:.65rem .7rem}.head-note{display:none}.hero-lineup .lineup-images img{height:300px}.hero-lineup .lineup-images{min-height:300px}}
@media(max-width:980px){.nav-wide{display:none}.nav-mobile{display:block;background:white;border-top:1px solid var(--ink)}.nav-mobile>summary{display:flex;justify-content:space-between;align-items:center;font-size:.9rem;font-weight:850;padding:.65rem 1rem}.nav-mobile nav{padding:.5rem 1rem 1rem}.nav-mobile nav>a{display:block;font-weight:800;padding:.65rem .5rem;border-bottom:1px solid #b2bbc1;text-decoration:none}.nav-mobile .nav-dropdown{border-bottom:1px solid #b2bbc1}.nav-mobile .nav-dropdown>summary{padding:.65rem .5rem}.nav-mobile .nav-dropdown-panel{position:static;max-width:100%;width:100%;border:0;border-left:2px solid #111315;box-shadow:none;background:var(--pale);margin:.25rem 0;padding:0 .6rem}.content-layout{grid-template-columns:1fr}.right-rail{position:static;display:grid;grid-template-columns:minmax(0,1.7fr) minmax(220px,1fr);gap:1rem}.right-rail .contents ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1rem}.gas-family-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.photo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}.rfq-intake-grid{grid-template-columns:minmax(0,1fr) 215px}}
@media(max-width:720px){.masthead{gap:.5rem;padding:.55rem .8rem}.head-phone{display:none}.brand-mark{width:40px;height:40px}.brand strong{font-size:1.03rem}.brand small{font-size:.54rem}.head-quote{font-size:.74rem;padding:.48rem .5rem;min-height:38px}.page-hero,.rfq-hero{grid-template-columns:1fr;gap:1rem;padding:1rem}.page-hero h1{font-size:clamp(2rem,7.5vw,3.2rem)}.hero-render img{height:280px}.hero-lineup .lineup-images{min-height:215px}.hero-lineup .lineup-images img{height:215px}.gas-family-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gas-family-tile img{height:145px}.right-rail{display:block}.right-rail .contents{display:none}.photo-grid{grid-template-columns:1fr 1fr}.definition-grid,.card-grid,.form-grid{grid-template-columns:1fr}.action-strip{display:block}.action-strip .btn{margin-top:.6rem}.rfq-intake-grid{grid-template-columns:1fr}.rfq-intake-help{order:2}.wizard-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-top{grid-template-columns:1fr 1fr}.steps li strong{min-width:0}.contact-buttons{flex-direction:column}.contact-buttons .btn{justify-content:center}}
@media(max-width:420px){.brand small{font-size:.48rem}.brand strong{font-size:.9rem}.head-quote{font-size:.68rem}.gas-family-grid{gap:.4rem}.gas-family-tile{padding:.35rem}.gas-family-tile img{height:120px}.hero-lineup .lineup-images img{height:166px}.hero-lineup .lineup-images{min-height:166px}.photo-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.hero-actions .btn{flex:1}.wizard-form{padding:.7rem}.wizard-controls .btn{min-width:0}.page-hero h1{font-size:2rem}}
@media print{.site-header,.site-footer,.right-rail,.rfq-panel,.hero-actions,.action-strip{display:none}.page-hero,.section-card{box-shadow:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

/* Keep the dedicated form above the fold, as in the approved RFQ references. */
.rfq-hero{grid-template-columns:1fr;gap:0;padding:1rem 1.4rem;margin-bottom:.8rem}
.rfq-hero .hero-art{display:none}
.rfq-hero .hero-copy{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.45rem 1.5rem;align-items:center}
.rfq-hero .eyebrow,.rfq-hero h1,.rfq-hero .hero-description{grid-column:1}
.rfq-hero h1{font-size:clamp(1.8rem,2.8vw,2.75rem);max-width:25ch;margin:0}
.rfq-hero .hero-description{font-size:.88rem;margin:0;max-width:80ch}
.rfq-hero .hero-micro,.rfq-hero .hero-foot{display:none}
.rfq-hero .hero-actions{grid-column:2;grid-row:1/4;align-self:center;margin:0}
.rfq-hero .hero-actions .btn-red{display:none}
@media(max-width:720px){
  .rfq-hero .hero-copy{display:block}
  .rfq-hero .hero-actions{margin-top:.65rem}
  .rfq-hero{padding:.9rem}
}

/* Keep required-field asterisks on the same line as their labels. */
.rfq-form label:not(.checkline){display:block}
.rfq-form label:not(.checkline)>input,
.rfq-form label:not(.checkline)>select,
.rfq-form label:not(.checkline)>textarea{display:block;margin-top:.28rem}
.form-status[data-status=success]{color:var(--ink)}


/* v8 approved site-specific refinement */
[hidden]{display:none!important}
:root{--red:#e52b3d;--metal:#c7ced3;--steel:#e8ecef}
#main,.main-article,.section-card,.section-body,.rfq-intake-form,.rfq-form,.form-grid,.form-grid>*{min-width:0;max-width:100%}
body{overflow-wrap:break-word}
.brand-mark{flex:0 0 57px;box-shadow:4px 4px 0 #111315}
.site-header .head-phone{white-space:nowrap;text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:2px}
.nav-wide .nav-dropdown-panel{max-height:65vh;overflow-y:auto}
.nav-wide .nav-dropdown-panel a:focus-visible,.nav-mobile a:focus-visible{outline-offset:-2px}
.page-hero{background:var(--metal)}
.page-hero .hero-render,.hero-lineup{background:#fff}
.hero-product-photo img,.hero-render img{background:#fff}
tbody tr:nth-child(even){background:#f1f3f5}
.table-scroll{border:2px solid #111315}
.table-scroll table{border:0}
table thead table thead th,.spec-table thead th{background:#c7192e!important;color:#fff!important;border:2px solid #111315!important;line-height:1.3}
.table-scroll tbody td{border-color:#7e878e}
.definition-grid dt{color:#242b30}
.definition-grid>div:nth-child(3n){border-left:5px solid var(--red)}
.section-card .action-strip{border-left:5px solid var(--red)}
.section-card .section-number span:first-child{color:#a9152a}
.section-question{border-top-color:#a91d2e}
.context-visual{margin:.2rem 0 0;border:2px solid var(--ink);background:white;min-width:0}
.context-visual img{display:block;width:100%;height:100%;max-height:270px;aspect-ratio:16/10;object-fit:cover}
.context-visual figcaption{font-size:.76rem;line-height:1.35;padding:.35rem .6rem;background:var(--steel)}
.editorial-media{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,.75fr);gap:1.2rem;align-items:center;margin:.4rem 0 1rem}
.editorial-media p{margin:0;min-width:0}
.business-address{border-left:5px solid var(--red)}
.photo-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.rfq-form,.wizard-form{width:100%;max-width:100%;overflow:visible}
.rfq-form input:not([type=checkbox]),.rfq-form select,.rfq-form textarea{display:block;box-sizing:border-box;width:100%!important;max-width:100%!important;min-width:0!important;margin-inline:0!important;appearance:auto}
.rfq-form label{max-width:100%;min-width:0;overflow-wrap:break-word}
.rfq-form .form-grid{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;min-width:0}
.rfq-form .form-grid>*{min-width:0;max-width:100%}
.rfq-form input[type="file"]{overflow:hidden;font-size:.82rem}
.rfq-panel{background:var(--steel)!important}
.rfq-panel .rfq-form,.rfq-intake-form .rfq-form{background:white}
.wizard-nav{grid-template-columns:repeat(4,minmax(0,1fr))}
.wizard-nav .wizard-tab{overflow-wrap:break-word;min-width:0}
.wizard-tab[data-active=true]{border-color:#111315;background:var(--metal);box-shadow:inset 0 -4px 0 var(--red)}
.rfq-intake-help{background:var(--steel)}
.rfq-success{background:#fff;border:3px solid #111315;box-shadow:5px 5px 0 #111315;padding:clamp(1rem,2.5vw,1.8rem);margin-top:1rem;max-width:100%}
.rfq-success[hidden]{display:none!important}
.rfq-success .reference{font-size:clamp(1.4rem,3.2vw,2.3rem);letter-spacing:.035em;font-weight:900;display:block;margin:.7rem 0;border:2px solid #111315;background:var(--steel);padding:.7rem .9rem;overflow-wrap:anywhere}
.rfq-success h3{font-size:1.6rem}
.rfq-success .success-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.1rem}
.rfq-success .confirmed-label{font-weight:900;text-transform:uppercase;color:#b41b30;font-size:.77rem}
.rfq-panel .rfq-success{margin:0}
.rfq-success .btn{min-width:130px}
.gas-family-grid a:hover{border-color:#ba1b30}
.home-applications{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem;margin:1rem 0}
.application-feature{background:#fff;border:2px solid #111315;padding:1rem;display:flex;flex-direction:column;gap:.4rem}
.application-feature strong{font-size:1.06rem}
.application-feature a{font-weight:850;text-decoration:underline;margin-top:auto}
.application-feature:nth-child(3n+2){background:var(--steel)}
.application-hero{margin-bottom:1rem}
.application-hero .hero-render img{height:340px}
.application-detail{border-left:5px solid var(--red);padding-left:.8rem}
.application-quicklinks{display:flex;flex-wrap:wrap;gap:.55rem;margin:1rem 0}
.app-chip{display:inline-block;text-decoration:none;border:1.5px solid #111315;background:white;padding:.4rem .6rem;font-size:.86rem;font-weight:800}
.app-chip:hover{background:var(--steel)}
.footer-top nav a:hover{color:#fff;text-decoration:underline}
@media(max-width:900px){.editorial-media{grid-template-columns:minmax(0,1fr) minmax(200px,.7fr)}.home-applications{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){
  .masthead{gap:.45rem}
  .brand-mark{width:49px;height:49px;flex-basis:49px;font-size:1.22rem;border-width:3px}
  .brand strong{font-size:clamp(.8rem,3vw,1.06rem)}
  .rfq-form .form-grid{grid-template-columns:minmax(0,1fr)}
  .wizard-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wizard-tab{font-size:.78rem}
  .editorial-media{grid-template-columns:minmax(0,1fr)}
  .editorial-media .context-visual{max-width:100%}
  .context-visual img{max-height:245px}
  .home-applications{grid-template-columns:minmax(0,1fr)}
  .steps li{grid-template-columns:2.7rem minmax(0,1fr);padding:.8rem}
  .steps li strong{line-height:1.35;font-size:1.02rem}
  .steps li span{line-height:1.48;font-size:.91rem}
  .rfq-success .success-actions{flex-direction:column}
  .rfq-success .btn{width:100%}
}
@media(max-width:390px){
 .masthead .head-quote{padding:.48rem .36rem;font-size:.68rem}
 .brand{gap:.4rem}
 .brand-mark{width:45px;height:45px;flex-basis:45px}
 .brand small{font-size:.46rem}
 .rfq-form .form-grid{grid-template-columns:minmax(0,1fr)}
 .wizard-form{padding:.65rem}
 .wizard-nav{gap:.32rem}
 .wizard-tab{gap:.22rem;padding:.45rem .25rem;font-size:.68rem}
 .wizard-tab-num{width:21px;height:21px;flex-basis:21px}
}

.table-scroll tbody th,.spec-table tbody th{background:var(--steel)!important;color:var(--ink)!important;border:1.5px solid #111315!important}


/* v9 industrial refinement: bounded layout, conversion controls, accurate graphic placement. */
:root{--red:#e52b3d;--metal:#c7ced3;--steel:#e8ecef;--white:#fff;--ink:#111315;--shadow:4px 4px 0 #111315}
html{scroll-padding-top:56px}
body{background:#f5f6f7}
#main{max-width:1236px;margin-inline:auto;padding:0 18px 24px}
.masthead{max-width:1236px;padding:10px 18px;gap:12px}
.brand{gap:11px}
.brand-mark{flex:0 0 64px;width:64px;height:64px;background:var(--red);color:#fff;border:4px solid #111315;box-shadow:4px 4px 0 #111315;font-size:1.68rem}
.brand strong{font-size:clamp(1.05rem,1.7vw,1.4rem)}
.brand small{font-size:.61rem;letter-spacing:.035em}
.head-note{display:none!important}
.site-header .head-phone{font-size:.82rem;font-weight:900;line-height:1.18;text-decoration:none;background:#fff;color:var(--ink);border-left:7px solid var(--red);padding:.68rem 1rem;white-space:nowrap;box-shadow:3px 3px 0 #111315}
.site-header .head-phone:hover{background:var(--metal)}
.masthead .head-quote{background:var(--red);font-size:.84rem}
.nav-wide{max-width:1200px;margin:0 auto;min-height:40px;padding:0}
.nav-wide .nav-dropdown>summary{padding:.58rem 1rem;min-height:40px}
.nav-wide .nav-dropdown:first-child>summary{border-left:1px solid #c2cad0}
.nav-wide .nav-dropdown>summary:hover{background:var(--metal)}
.page-hero{margin-top:0;padding:clamp(1.2rem,2.3vw,2rem);gap:1.25rem}
.hero-description{max-width:55ch}
.page-hero h1{font-size:clamp(2.1rem,3.6vw,3.6rem)}
.page-hero .hero-render img{height:355px}
.hero-lineup .lineup-images{min-height:320px}
.hero-lineup .lineup-images img{height:320px}
.content-layout{grid-template-columns:minmax(0,1fr) 222px;gap:14px}
.section-card{padding:clamp(1rem,1.65vw,1.45rem);margin-bottom:13px}
.section-card .section-number{padding-left:12px;border-left:7px solid var(--red)}
.section-card h2{max-width:43ch}
.section-card h2::before{content:"";display:inline-block;width:9px;height:.75em;background:var(--red);margin-right:.45rem;vertical-align:baseline}
.section-card .section-body>p:first-child{font-size:.98rem}
.section-card .mini-card:nth-child(4n+1){border-top:5px solid var(--red)}
.card-grid{gap:.55rem}
.definition-grid{gap:.5rem}
.definition-grid>div{padding:.7rem}
.section-card .context-visual{box-shadow:3px 3px 0 #111315}
.section-card .context-visual img{aspect-ratio:1200/620;height:auto;max-height:none;object-fit:contain;width:100%;background:#fff}
.section-card .context-visual figcaption{font-size:.72rem;line-height:1.35;background:#f1f3f5;border-top:2px solid #111315;padding:.35rem .6rem}
.editorial-media{grid-template-columns:minmax(0,1fr) minmax(320px,1fr);align-items:center;gap:1rem;margin:.65rem 0 .8rem}
.editorial-media>p{align-self:center}
.editorial-media .context-visual{width:100%;margin:0}
.hero-technical-svg img{width:100%;height:auto!important;max-height:none;aspect-ratio:1200/620;object-fit:contain}
.hero-technical-svg{width:100%}
.table-scroll{box-shadow:2px 2px 0 #111315}
table thead th,.spec-table thead th{background:#c7192e!important;color:#fff!important;border:2px solid #111315!important}
table caption{border-left:7px solid var(--red)}
.fact-note,.spec-caveat,.policy-review-warning{border-left:7px solid var(--red);background:#f0f2f3}
.steps li{grid-template-columns:50px minmax(120px,.55fr) minmax(0,1.25fr);gap:12px;align-items:start}
.steps li>*{min-width:0;overflow-wrap:anywhere}
.steps li strong{line-height:1.3}
.action-strip{border-left:7px solid var(--red)}
.gas-family-selector{border-top:6px solid var(--red)}
.gas-family-tile:hover,.app-chip:hover{background:#edf0f2}
.application-feature{border-top:5px solid #111315}
.application-feature:nth-child(2){border-top-color:var(--red)}
.site-footer{border-top:6px solid var(--red)}
.rail-cta{border-top:5px solid var(--red)}
.contact-buttons .btn{box-shadow:3px 3px 0 var(--ink)}
@media(min-width:1440px){
 body{font-size:16px}
}
@media(max-width:900px){
 .masthead{gap:.5rem}
 .content-layout{grid-template-columns:minmax(0,1fr)}
 .editorial-media{grid-template-columns:minmax(0,1fr) minmax(250px,.9fr)}
}
@media(max-width:720px){
 #main{padding:0 12px 22px}
 .masthead{padding:10px 12px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}
 .brand{grid-column:1/-1;margin:0}
 .brand-mark{width:58px;height:58px;flex-basis:58px;font-size:1.5rem}
 .brand strong{font-size:1.13rem}
 .brand small{font-size:.61rem}
 .site-header .head-phone,.masthead .head-quote{width:100%;min-width:0;white-space:normal;text-align:center;min-height:45px;font-size:.77rem;padding:.55rem .35rem;justify-content:center}
 .site-header .head-phone{border-left:5px solid var(--red)}
 .page-hero{gap:.8rem;padding:1rem}
 .page-hero h1{font-size:clamp(2rem,7vw,2.8rem)}
 .editorial-media{grid-template-columns:minmax(0,1fr)}
 .section-card .context-visual img{max-height:none;height:auto;object-fit:contain}
 .steps li{grid-template-columns:42px minmax(0,1fr);gap:6px 12px}
 .steps li strong{grid-column:2;grid-row:1}
 .steps li span{grid-column:2;grid-row:2}
 .section-card h2::before{width:7px}
}
@media(max-width:390px){
 .brand-mark{width:52px;height:52px;flex-basis:52px}
 .masthead .head-quote{font-size:.73rem!important}
 .site-header .head-phone{font-size:.72rem}
 .nav-mobile>summary{font-size:.84rem}
}

/* Visibility override: keep the call button visible on small screens. */
@media(max-width:720px){.site-header .head-phone{display:inline-flex!important}}

.editorial-media .editorial-copy{min-width:0;align-self:center}.editorial-copy p{margin:.1rem 0 .7rem}.editorial-copy p:last-child{margin-bottom:0}

/* v10: improve contrast for white text on red action buttons. */
:root{--red:#d91e36}


/* Jay Consultant v11 — final responsive usability and footer refinements */
:root { --red:#d91e36; --ink:#111315; }
body { overflow-x:clip; }
#main > .page-hero:first-child { margin-top:18px; }
.site-footer { border-top:6px solid var(--red); }
.footer-top { max-width:1200px; grid-template-columns:minmax(240px,1.65fr) repeat(4,minmax(0,1fr)); gap:clamp(.85rem,2vw,1.7rem); }
.footer-bottom { max-width:1200px; }
.footer-logo { display:inline-flex; align-items:center; gap:.78rem; text-decoration:none!important; color:#fff!important; margin:0 0 .8rem; }
.footer-logo .brand-mark { width:62px; height:62px; flex:0 0 62px; background:var(--red); color:white; border:4px solid #111315; outline:2px solid #fff; font-size:1.65rem; text-shadow:none; box-shadow:4px 4px 0 #78838b; }
.footer-logo-text { display:flex; flex-direction:column; gap:3px; }
.footer-logo-text strong { font-size:clamp(1.15rem,1.5vw,1.6rem); font-weight:950; line-height:1.15; }
.footer-logo-text small { font-size:.67rem; letter-spacing:.05em; font-weight:850; line-height:1.2; }
.site-footer a:not(.btn) { text-decoration:none!important; text-underline-offset:0; border-bottom:1px solid transparent; transition:border-color .15s ease,color .15s ease; }
.site-footer a:not(.btn):hover { text-decoration:none!important; color:#fff; border-bottom-color:var(--red); }
.site-footer a:not(.btn):focus-visible { outline:3px solid #fff; outline-offset:4px; }
.site-footer nav a { display:block; padding:.18rem 0; line-height:1.38; }
.site-footer nav strong { border-bottom:2px solid var(--red); font-size:.75rem; }
.footer-contact a { align-self:flex-start; overflow-wrap:anywhere; }
.footer-brand p { margin-top:.45rem; }
.footer-logo:hover .brand-mark { box-shadow:2px 2px 0 #78838b; }
.content-layout { min-width:0; align-items:start; }
.right-rail { position:sticky; top:12px; align-self:start; max-height:calc(100dvh - 24px); overflow-y:auto; overscroll-behavior:contain; scrollbar-width:thin; padding:2px 5px 6px 2px; }
.right-rail .contents, .right-rail .rail-cta { box-shadow:2px 2px 0 var(--ink); margin-bottom:.7rem; }
.right-rail .contents a { display:block; line-height:1.35; padding:.12rem .15rem; }
.right-rail .contents a:hover,
.right-rail .contents a[aria-current="location"] { color:#a01428; text-decoration:none; background:#f3e5e8; }
.section-card { scroll-margin-top:18px; }
.mobile-toc { display:none; }
html { scroll-behavior:smooth; scroll-padding-top:18px; }
.faq-item { margin:.5rem 0; border:2px solid var(--ink); background:#fff; }
.faq-item summary { list-style:none; display:flex; justify-content:space-between; align-items:start; gap:.8rem; padding:.8rem .9rem; font-weight:850; line-height:1.4; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after { content:"+"; flex:0 0 1.4rem; text-align:center; font-size:1.25rem; color:var(--red); font-weight:900; }
.faq-item[open] summary { background:var(--metal); border-bottom:2px solid var(--ink); }
.faq-item[open] summary::after { content:"−"; }
.faq-answer { padding:.8rem .9rem .9rem; }
.faq-answer p { max-width:75ch; margin:0 0 .6rem; }
.faq-related { font-size:.86rem; margin-bottom:0!important; }
.faq-related a { text-decoration:none; border-bottom:1px solid var(--red); font-weight:740; }
.faq-related a:hover { background:#f9e9ec; }
.faq-closing { background:var(--metal); border-top:5px solid var(--red); }
/* Structural sizing: never let an input overflow its border or containing grid. */
.rfq-panel, .rfq-intake-section, .rfq-intake-grid, .rfq-intake-form,
.rfq-form, .wizard-form, .wizard-panel, .form-grid, .form-grid>*, .rfq-form label { min-width:0; max-width:100%; box-sizing:border-box; }
.rfq-form input:not([type="checkbox"]),.rfq-form select,.rfq-form textarea {
  display:block; width:100%!important; min-width:0!important; max-width:100%!important;
  box-sizing:border-box!important; margin-inline:0; border-radius:0;
}
.rfq-form input[type="file"] { overflow:hidden; white-space:normal; }
.rfq-form label:not(.checkline) { min-width:0; max-width:100%; width:100%; overflow-wrap:anywhere; }
.form-grid { width:100%; grid-template-columns:repeat(2,minmax(0,1fr)); }
.rfq-form .wizard-panel[hidden],.rfq-form[hidden],.rfq-success[hidden] { display:none!important; }
.wizard-nav { width:100%; min-width:0; max-width:100%; }
.wizard-tab { min-width:0; max-width:100%; overflow-wrap:anywhere; }
@media (max-width:1200px){
 .footer-top{grid-template-columns:repeat(3,minmax(0,1fr));}
 .footer-brand{grid-column:span 2;}
}
@media (max-width:900px){
 .content-layout{grid-template-columns:minmax(0,1fr)!important;}
 .right-rail{display:none!important;}
 .mobile-toc { display:block; margin:0 0 1rem; border:2px solid var(--ink); background:#fff; box-shadow:3px 3px 0 var(--ink); }
 .mobile-toc>summary { display:flex; justify-content:space-between; align-items:center; gap:1rem; padding:.9rem 1rem; font-weight:900; cursor:pointer; background:var(--metal); }
 .mobile-toc[open]>summary { border-bottom:2px solid var(--ink); }
 .mobile-toc-hint { font-size:.78rem; font-weight:750; }
 .mobile-toc nav { max-height:60vh; overflow-y:auto; padding:.4rem .75rem .75rem; overscroll-behavior:contain; }
 .mobile-toc ol { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.2rem .8rem; list-style:none; padding:0; margin:0; counter-reset:mobiletoc; }
 .mobile-toc li { counter-increment:mobiletoc; min-width:0; border-bottom:1px solid #c1c9cd; }
 .mobile-toc li a { display:flex; gap:.35rem; align-items:baseline; padding:.6rem .2rem; font-size:.87rem; line-height:1.32; text-decoration:none; font-weight:700; overflow-wrap:anywhere; }
 .mobile-toc li a::before { content:counter(mobiletoc,decimal-leading-zero); color:var(--red); font-size:.72rem; font-weight:900; flex:0 0 1.5rem; }
 .mobile-toc li a:active,.mobile-toc li a[aria-current="location"] { background:#edf0f2; }
}
@media (max-width:720px){
 .footer-top { grid-template-columns:repeat(2,minmax(0,1fr)); gap:1.2rem .8rem; }
 .footer-brand { grid-column:span 2; }
 .footer-logo .brand-mark { width:58px; height:58px; flex-basis:58px; }
 .form-grid, .rfq-form .form-grid { display:grid; grid-template-columns:minmax(0,1fr)!important; gap:.8rem; }
 .rfq-panel .rfq-form, .rfq-intake-form .rfq-form, .wizard-form { padding:12px!important; }
 .rfq-form { width:100%; padding:0; }
 .rfq-form label:not(.checkline) { display:block; }
 .rfq-form input:not([type="checkbox"]),.rfq-form select,.rfq-form textarea { width:100%!important; }
 .mobile-toc ol { grid-template-columns:minmax(0,1fr); }
 .wizard-nav { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .wizard-controls { flex-wrap:wrap; }
}
@media (max-width:380px) {
 .footer-top{grid-template-columns:1fr;}
 .footer-brand{grid-column:auto;}
 .rfq-panel .rfq-form,.rfq-intake-form .rfq-form,.wizard-form { padding:9px!important; }
 .faq-item summary{padding:.7rem;}
}
@media (prefers-reduced-motion:reduce) {
 html{scroll-behavior:auto;}
 .site-footer a:not(.btn){transition:none;}
}