:root{/* neutral industrial: charcoal/slate + coolMaster blue */--brand:#1f4fbf;--brand-d:#173c94;--hose:#2b3a4a;--dark:#1e2a36;--dark2:#2b3a4a;--deep:#141b23;--lilac:#8fb0f0;--tint:#f3f5f7;--tint2:#e3ebfb;--heroA:rgba(20,27,35,.93);--heroB:rgba(30,42,54,.78);--heroC:rgba(30,42,54,.35);--mute:#c9d1d9;--bd:#3a4856;--char:#1f2328;--steel:#5b6470;--light:#f3f5f7;--line:#e1e5ea;--w:1180px;--r:10px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--char);line-height:1.6;background:#fff;overflow-x:hidden}
img{max-width:100%;display:block}a{color:var(--brand)}h1,h2,h3{line-height:1.2;margin:0 0 .6em}h2{font-size:clamp(1.6rem,3vw,2.3rem)}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}
.ph{background:#fff3b0;color:#6b4e00;border:1px dashed #c9a400;border-radius:4px;padding:0 4px;font-weight:600;font-size:.92em}
.topbar{background:var(--deep);color:#d9dce0;font-size:.85rem}.topbar .wrap{display:flex;gap:18px;justify-content:space-between;align-items:center;padding:7px 20px;flex-wrap:wrap}.topbar a{color:#fff;text-decoration:none}.topbar .ph{font-size:.8rem}
header.nav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(0,0,0,.05)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand img{height:50px;width:auto}@media(max-width:600px){.brand img{height:40px}}
nav ul{list-style:none;display:flex;gap:22px;margin:0;padding:0;align-items:center}nav a{color:var(--char);text-decoration:none;font-weight:600;font-size:.95rem}nav a:hover{color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:#fff!important;padding:12px 22px;border-radius:6px;font-weight:700;text-decoration:none;border:0;cursor:pointer;font-size:1rem}.btn:hover{background:var(--brand-d)}
.btn.ghost{background:transparent;border:2px solid #fff}.btn.ghost:hover{background:rgba(255,255,255,.12)}
.menu-btn{display:none;background:none;border:0;font-size:1.7rem;cursor:pointer;color:var(--char)}
.hero{position:relative;color:#fff;background:#111 url(../images/hero-fire-station-bay.jpg) center/cover no-repeat;min-height:600px;display:flex;align-items:center}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--heroA) 0%,var(--heroB) 45%,var(--heroC) 100%)}
.hero .wrap{position:relative;padding-top:70px;padding-bottom:70px}.hero-inner{max-width:640px}
.eyebrow{display:inline-block;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:#fff;background:var(--brand);padding:5px 10px;border-radius:3px;margin-bottom:16px}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem)}.hero p{font-size:1.15rem;color:#e6e8eb}.hero .ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.trust{background:var(--brand);color:#fff}.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:18px 20px;text-align:center;font-weight:700;font-size:.95rem}
section{padding:80px 0}.alt{background:var(--light)}.dark{background:var(--dark);color:#fff}.dark p{color:var(--mute)}
.lead{font-size:1.1rem;color:var(--steel);max-width:760px}.dark .lead{color:var(--mute)}.center{text-align:center}.center .lead{margin:0 auto 10px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--brand);border-radius:var(--r);padding:26px}.card h3{font-size:1.15rem}.card p{margin:0;color:var(--steel)}
.icon{width:46px;height:46px;border-radius:50%;background:var(--tint2);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:800;margin-bottom:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.split img{border-radius:var(--r);box-shadow:0 12px 30px rgba(0,0,0,.18);width:100%;height:100%;max-height:520px;object-fit:cover}
.product-visual{background:#fff;border-radius:var(--r);min-height:380px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#cfd3d8;text-align:center;padding:30px;border:2px dashed #c9a400}
.product-visual svg{width:80%;max-width:360px;height:auto}
.checks{list-style:none;padding:0;margin:20px 0}.checks li{padding:8px 0 8px 32px;position:relative;border-bottom:1px solid var(--line)}.checks li:before{content:"✓";position:absolute;left:0;top:7px;color:#fff;background:var(--brand);width:21px;height:21px;border-radius:50%;font-size:.8rem;text-align:center;line-height:21px;font-weight:800}
.dark .checks li{border-color:var(--bd)}
.spec{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem}.spec th,.spec td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}.spec th{width:38%;background:var(--light)}
.note{font-size:.85rem;color:var(--steel)}
.aud{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}.aud .tile{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:0 6px 20px rgba(0,0,0,.08)}.aud img{height:220px;width:100%;object-fit:cover}.aud .tile div{padding:22px}.aud p{color:var(--steel);margin:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px;counter-reset:s}.step{background:var(--dark2);border-radius:var(--r);padding:22px;counter-increment:s}.step:before{content:counter(s);display:block;font-size:1.8rem;font-weight:800;color:var(--brand)}
.quote-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:44px;align-items:start}
form.quote{background:#fff;border-radius:var(--r);padding:28px;box-shadow:0 10px 30px rgba(0,0,0,.1);border-top:5px solid var(--brand)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}label{display:block;font-weight:600;font-size:.88rem;margin:12px 0 4px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid #c9ced4;border-radius:6px;font:inherit;font-size:.95rem}textarea{min-height:110px}
.formnote{font-size:.8rem;color:var(--steel);margin-top:10px}
details{background:#fff;border:1px solid var(--line);border-radius:8px;margin:10px 0;padding:0 20px}summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;position:relative;padding-right:28px}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:0;color:var(--brand);font-size:1.4rem;top:10px}details[open] summary:after{content:"–"}details p{margin:0 0 16px;color:var(--steel)}
.faq{max-width:860px;margin:30px auto 0}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}.contact-grid .card{text-align:center}
footer{background:var(--deep);color:var(--mute);padding:50px 0 24px;font-size:.9rem}footer a{color:#fff}.fgrid{display:grid;grid-template-columns:2fr 1fr;gap:30px}.fbot{border-top:1px solid var(--bd);margin-top:30px;padding-top:18px;font-size:.8rem}
.legal{padding:50px 0 80px}.legal .wrap{max-width:860px}.legal h2{font-size:1.35rem;margin-top:1.6em}.review{background:#fff3b0;border:1px solid #c9a400;padding:14px 18px;border-radius:8px;font-weight:600}
@media(max-width:980px){.cards,.aud,.contact-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.split,.quote-grid{grid-template-columns:1fr}.trust .wrap{grid-template-columns:1fr 1fr}.fgrid{grid-template-columns:1fr}}
@media(max-width:1000px){.menu-btn{display:block}nav ul{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;gap:14px;border-bottom:1px solid var(--line)}nav ul.open{display:flex}}
@media(max-width:600px){section{padding:56px 0}.cards,.aud,.contact-grid,.steps,.frow{grid-template-columns:1fr}.hero{min-height:520px}.topbar .hide-sm{display:none}.brand img{height:38px}}
@media(max-width:600px){.hero:before{background:var(--heroA)}.split img{max-height:340px}}

.step:before{color:var(--lilac)!important}
.dark .eyebrow,.hero .eyebrow{background:var(--brand);box-shadow:0 0 0 1px rgba(255,255,255,.25)}
.dark .note{color:var(--mute)!important}
.ph{box-shadow:0 0 0 1px #fff3b0}
.mfr-chip{display:inline-flex;align-items:center;gap:14px;background:#fff;border-radius:8px;padding:8px 14px 8px 10px;margin:0 0 18px;box-shadow:0 4px 16px rgba(0,0,0,.25)}
.mfr-chip img{height:44px;width:auto}.mfr-chip span{color:var(--char);font-weight:700;font-size:.9rem;line-height:1.25}.mfr-chip small{display:block;color:var(--steel);font-weight:600;font-size:.75rem;letter-spacing:.04em;text-transform:uppercase}
.product-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:6px}.product-head img{height:56px;width:auto}
.product-visual{border:1px solid var(--line)!important;padding:20px!important;gap:14px;min-height:0!important;box-shadow:0 12px 30px rgba(0,0,0,.1)}
.product-visual img.main{box-shadow:none;border-radius:6px;max-height:none;height:auto}
.product-visual .cut{background:var(--tint);border-radius:6px;padding:14px;width:100%}.product-visual .cut img{box-shadow:none;max-height:220px;width:auto;margin:0 auto;height:auto}
.product-visual figcaption{font-size:.8rem;color:var(--steel)}
.plate{display:inline-block;background:#fff;border-radius:6px;padding:8px 12px;margin:4px 0 10px}.plate img{height:48px;width:auto}
.dist-line{color:#fff;font-weight:700;font-size:.8rem;letter-spacing:.08em;margin:16px 0 6px}
.split .product-head img{box-shadow:none;border-radius:0;height:56px;width:auto;max-height:none}
#distributors{padding:70px 0;background:#fff}
.dist-band{background:var(--dark);color:#fff;border-radius:14px;padding:44px;display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:center;box-shadow:0 16px 40px rgba(0,0,0,.25)}
.dist-band p{color:var(--mute)}.dist-band h2{color:#fff}.dist-band .checks li{border-color:var(--bd)}.dist-band .eyebrow{box-shadow:0 0 0 1px rgba(255,255,255,.25)}
.btn.light{background:#fff;color:var(--brand)!important}.btn.light:hover{background:var(--tint2)}
.dist-contact{font-size:.95rem;margin-top:14px}.dist-contact a{color:#fff}
.dist-side{border-left:1px solid var(--bd);padding-left:36px;text-align:center}.dist-side p{font-size:.9rem}
@media(max-width:860px){.dist-band{grid-template-columns:1fr;padding:30px 22px}.dist-side{border-left:0;border-top:1px solid var(--bd);padding:24px 0 0}}
.spec-h{font-size:1.05rem;margin:22px 0 8px}
.layers{margin:0 0 10px;padding-left:20px;font-size:.95rem}.layers li{margin:6px 0}
.dist-sub{color:#fff;font-size:1.15rem;margin:18px 0 6px}
.quote-card{background:#fff;border-radius:var(--r);padding:28px;box-shadow:0 10px 30px rgba(0,0,0,.1);border-top:5px solid var(--brand)}
.quote-card h3{font-size:1.15rem}.quote-card p{color:var(--steel)}.quote-card hr{border:0;border-top:1px solid var(--line);margin:22px 0}
.btn.outline{background:#fff;color:var(--brand)!important;border:2px solid var(--brand)}.btn.outline:hover{background:var(--tint)}
.qc-contact{color:var(--char)!important}
.pv-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}.pv-row img{box-shadow:none!important;border-radius:6px;width:100%;height:100%;object-fit:cover;max-height:none}.pv-row .cut{display:flex;align-items:center;padding:10px}.pv-row .cut img{object-fit:contain;max-height:200px}
.dist-photo{width:100%;height:auto;border-radius:10px;margin:0 auto 20px;box-shadow:0 10px 30px rgba(0,0,0,.45)}
.beyond{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;text-align:left;margin-top:50px;background:var(--tint);border-radius:14px;padding:30px;border:1px solid var(--line)}
.beyond-img img{border-radius:10px;width:100%;height:100%;object-fit:cover;max-height:420px}
.beyond-copy h3{font-size:1.45rem}.beyond-copy p{color:var(--steel)}
.mkt{list-style:none;padding:0;margin:16px 0 22px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.mkt li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:6px;padding:10px 12px;font-size:.92rem}
@media(max-width:860px){.beyond{grid-template-columns:1fr;padding:20px}.mkt{grid-template-columns:1fr}}
.parts{background:#fff;padding:70px 0 10px}
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:10px;margin:22px 0 12px}
.parts-table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:560px}
.parts-table th{background:var(--brand);color:#fff;text-align:left;padding:12px 14px;font-weight:700;white-space:nowrap}
.parts-table td{padding:10px 14px;border-top:1px solid var(--line);white-space:nowrap}
.parts-table tbody tr:nth-child(even){background:var(--tint)}
@media(max-width:600px){.parts-table{min-width:0}.parts-table thead{display:none}.parts-table,.parts-table tbody,.parts-table tr,.parts-table td{display:block;width:100%}
.parts-table tr{border-top:1px solid var(--line);padding:8px 0}.parts-table tbody tr:first-child{border-top:0}.parts-table td{border:0;padding:4px 14px;display:flex;justify-content:space-between;gap:12px;white-space:normal}
.parts-table td:before{content:attr(data-label);font-weight:600;color:var(--steel);font-size:.85rem}}
.custom-line{background:var(--tint);border-left:4px solid var(--brand);border-radius:6px;padding:12px 16px;margin:14px 0 18px}
.parts-page{padding-top:40px}.parts-page h1{font-size:clamp(1.8rem,4vw,2.6rem)}.crumbs{font-size:.85rem;color:var(--steel);margin:0 0 14px}
.notice{background:#fff8e1;border:1px solid #e0b100;border-left:6px solid #b07d00;border-radius:8px;padding:16px 20px;margin:0 0 34px;color:#3d2e00;font-size:1rem;line-height:1.55}
.notice strong{color:#6b4500}.notice a{color:var(--brand-d);font-weight:600}
.parts .notice{margin:18px 0 0}
.order-caution{max-width:760px;margin:6px auto 0;color:#e6dcef;font-size:.95rem}.order-caution a{color:#fff}
.fcaution{margin:0 0 8px;color:var(--mute);font-weight:600}
.cards-4{grid-template-columns:repeat(4,1fr)}@media(max-width:980px){.cards-4{grid-template-columns:1fr 1fr}}@media(max-width:600px){.cards-4{grid-template-columns:1fr}}

.why{background:linear-gradient(180deg,#fff 0%,var(--tint) 100%);padding:84px 0}.why-head{text-align:center;max-width:640px;margin:0 auto 48px}.why-head .lead{margin:0}.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.why-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px 30px 30px;box-shadow:0 1px 2px rgba(36,21,48,.04),0 12px 32px -18px rgba(90,45,130,.28)}.why-item:before{content:none}.why-item{text-align:center}.why-ic{display:flex;margin-left:auto;margin-right:auto;width:54px;height:54px;align-items:center;justify-content:center;border-radius:12px;background:var(--tint2);color:var(--brand);margin-bottom:20px}.why-item h3{font-size:1.2rem;margin-bottom:.5em;color:var(--char)}.why-item p{margin:0;color:var(--steel);line-height:1.65}@media(max-width:900px){.why{padding:60px 0}.why-grid{grid-template-columns:1fr;gap:18px}.why-head{margin-bottom:32px}}

/* OATMaster pages keep the purple brand */
body.theme-oat{--brand:#5a2d82;--brand-d:#46206a;--hose:#4e3758;--dark:#241530;--dark2:#33213f;--deep:#1a0f24;--lilac:#c9b3e0;--tint:#f4f0f8;--tint2:#ece3f4;--light:#f4f0f8;--line:#e4dfea;--heroA:rgba(26,15,36,.93);--heroB:rgba(36,21,48,.78);--heroC:rgba(36,21,48,.35);--mute:#d8d0e2;--bd:#4a3a58}
.hero-home{background-image:url(../images/hero-fire-station-bay.jpg)}
.hero-sil{background-image:url(../images/silicone-hose-engine.jpg)}.hero-sm{min-height:440px}
.lines{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:34px}
.line-card{display:block;text-decoration:none;color:var(--char);background:#fff;border:1px solid var(--line);border-top:5px solid var(--brand);border-radius:var(--r);overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.08);transition:transform .15s}
.line-card:hover{transform:translateY(-3px)}.line-card img{width:100%;height:280px;object-fit:cover;background:#fff}.line-card>div{padding:24px}.line-card p{color:var(--steel)}
.line-card.oat{border-top-color:#5a2d82}.line-card.oat .tag,.line-card.oat .more{color:#5a2d82}
.line-card .tag{font-size:.75rem;letter-spacing:.12em;font-weight:800;color:var(--brand)}.line-card .more{font-weight:700;color:var(--brand)}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.cat{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}.cat img{width:100%;height:190px;object-fit:contain;background:#fff;padding:10px}.cat>div,.cat>a>div{padding:18px 20px 22px;text-align:center}.cat>a{display:block;height:100%}.cat h3{font-size:1.05rem;margin:0 0 8px}.cat p{margin:0;color:var(--steel);font-size:.93rem}
@media(max-width:980px){.cat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.lines,.cat-grid{grid-template-columns:1fr}}

.hero-home{min-height:460px}.hero-home h1{font-size:clamp(2.4rem,5.5vw,3.8rem);margin-bottom:.3em}.hero .sub1{font-size:1.2rem;color:#e6e8eb;max-width:560px}
.line-card .more{text-decoration:none;margin-right:18px}.line-card .more:hover{text-decoration:underline}
nav li.dd{position:relative}nav .sub{display:none;position:absolute;top:100%;left:-12px;background:#fff;list-style:none;margin:0;padding:10px 0;min-width:230px;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 24px rgba(0,0,0,.1)}
nav li.dd:hover .sub,nav li.dd:focus-within .sub{display:block}nav .sub a{display:block;padding:8px 16px;font-weight:600}
nav li.dd>a:after{content:" \25BE";font-size:.8em}
.jump{background:var(--light);border-radius:8px;padding:12px 16px;margin:20px 0 0;line-height:2}.jump a{font-weight:700;white-space:nowrap}
@media(max-width:1000px){nav .sub{display:block;position:static;border:0;box-shadow:none;padding:4px 0 0 14px;min-width:0}nav li.dd>a:after{content:""}}
.eyebrow{letter-spacing:.04em}
.seo-cols{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:28px}.seo-cols h3{font-size:1.2rem}.seo-cols p{color:var(--steel)}
@media(max-width:800px){.seo-cols{grid-template-columns:1fr}}
.line-card img[src$="silicone-elbows.jpg"],.dist-side img[src$="silicone-elbows.jpg"]{object-fit:contain;background:#fff;padding:14px}
@media(max-width:700px){.line-card img{height:220px}}
.wtb{padding:56px 0;background:#fff}.wtb-box{display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;border:2px solid var(--brand);border-radius:14px;padding:34px 38px;background:var(--tint)}
.wtb-box h2{margin-bottom:.3em}.wtb-box .lead{margin:0}.wtb-ctas{display:flex;flex-direction:column;gap:12px}.wtb-ctas .btn{text-align:center}
.hero .wtb-link{margin-top:16px}.hero .wtb-link a{color:#fff;font-weight:700}
@media(max-width:800px){.wtb-box{grid-template-columns:1fr;padding:26px 22px}}
.line-card img[src$="oatmaster-size-lineup.jpg"]{object-fit:contain;background:#fff;padding:14px}
@media(max-width:600px){.trust{display:none}}

/* 2026-10-23 transparent product cutouts */
img.cutout{object-fit:contain!important;background:#f7f8fa;padding:14px;box-shadow:none!important}
.cat img.cutout{height:190px;padding:14px 18px}
.line-card img.cutout{height:280px;padding:18px 24px}
@media(max-width:700px){.line-card img.cutout{height:220px}}
.split figure img.cutout{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;height:auto;max-height:520px}
.product-visual img.main.cutout{background:#fff;padding:8px}
.dist-side img.cutout.dist-photo{background:#fff;border-radius:10px;padding:18px;width:100%;height:300px;box-shadow:0 10px 30px rgba(0,0,0,.35)!important}
.product-visual img.main.cutout{border:0;padding:8px}

/* centered last row (coolMaster products) */
.cat-center{display:flex;flex-wrap:wrap;justify-content:center}.cat-center>.cat{flex:0 0 calc((100% - 40px)/3)}
@media(max-width:980px){.cat-center>.cat{flex-basis:calc((100% - 20px)/2)}}
@media(max-width:700px){.cat-center>.cat{flex-basis:100%}}