:root{--navy:#10222f;--deep:#07141d;--steel:#647582;--orange:#f36b21;--line:#dbe2e6;--pale:#f2f5f6}*{box-sizing:border-box}body{margin:0;color:var(--navy);background:white;font-family:Arial,Helvetica,sans-serif}a{text-decoration:none;color:inherit}.topbar{height:34px;background:var(--deep);color:#aebbc3;padding:0 5vw;display:flex;justify-content:space-between;align-items:center;font-size:11px}.header{height:82px;padding:0 5vw;display:flex;align-items:center;gap:24px;color:white;background:#07141dcc;border-bottom:1px solid #ffffff30}.brand{width:174px;height:52px}.brand img{width:100%;height:100%;object-fit:contain;object-position:left center}nav{display:flex;gap:24px;font-size:13px;margin-left:auto}.language-switch{display:flex;align-items:center}.language-switch span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.language-switch select{width:108px;height:38px;border:1px solid #ffffff55;background:#07141d;color:white;padding:0 8px;font:inherit}.button{display:inline-block;background:var(--orange);color:white;padding:17px 24px;font-weight:700;font-size:13px}.button.small{padding:12px 17px}.hero{position:relative;min-height:720px;color:white;padding:150px 7vw 80px;background:linear-gradient(90deg,#06131ef0 0%,#0a1924e5 38%,#0a19248c 62%,#0a192420 100%),url('/hero/rotary-valve-hero-background.webp') center right/cover no-repeat}.hero-copy{position:relative;z-index:2;max-width:860px}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:700;color:var(--orange)}h1{font-size:clamp(42px,5.4vw,76px);line-height:1.01;margin:22px 0}.lead{font-size:18px;line-height:1.7;color:#dce7ee}.actions{display:flex;align-items:center;gap:26px;margin:34px 0}.ghost{font-weight:bold;font-size:14px}.proof{display:flex;gap:28px;padding-top:28px;border-top:1px solid #ffffff26;color:#c9d6de;font-size:12px}.proof b{display:block;color:white;font-size:16px}.intro{text-align:center;max-width:760px;margin:auto;padding:95px 20px 45px}.intro h2,.section h2,.cta h2{font-size:clamp(32px,4vw,52px);margin:14px 0}.intro p,.section p{color:var(--steel);line-height:1.7}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:0 5vw 100px}.card{background:white;padding:34px;min-height:360px}.card:hover{background:var(--pale)}.product-thumb{height:210px;margin:16px 0 24px;background:#eef3f6;display:flex;align-items:center;justify-content:center;overflow:hidden}.product-thumb img{width:100%;height:100%;object-fit:contain}.card p{color:var(--steel);line-height:1.6;font-size:14px}.card b,.section a{font-size:12px;color:var(--orange)}.section{padding:90px 8vw;display:grid;grid-template-columns:1.3fr .7fr;gap:8vw}.section aside{background:var(--pale);padding:35px;height:max-content}.section aside span{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line);font-size:13px}.product-main{margin:34px 0;background:#eef3f6}.product-main img{display:block;width:100%;max-height:500px;object-fit:contain}.faq{padding:80px 15vw;background:var(--pale)}details{background:white;margin:12px 0;padding:20px}.cta{margin:0 5vw 90px;padding:60px;background:#e9eef0;display:flex;align-items:center;justify-content:space-between;gap:40px}footer{background:var(--deep);color:#9cabb4;padding:55px 6vw;display:grid;grid-template-columns:1fr 2fr 1fr auto;gap:35px;font-size:12px;line-height:1.8}[dir=rtl] nav{margin-left:0;margin-right:auto}[dir=rtl] .brand img{object-position:right center}@media(max-width:900px){nav{display:none}.cards{grid-template-columns:1fr 1fr}.section{grid-template-columns:1fr}footer{grid-template-columns:1fr 1fr}}@media(max-width:600px){.topbar span:first-child{display:none}.header{padding:0 16px;gap:10px}.brand{width:120px}.language-switch select{width:86px}.header .button.small{padding:10px 8px;font-size:11px}.hero{padding:120px 24px 70px;min-height:650px}.cards{grid-template-columns:1fr;margin:0 20px 70px}.section{padding:70px 24px}.cta{margin:0 20px 60px;padding:34px;display:block}footer{grid-template-columns:1fr}.proof{flex-wrap:wrap}}
.hub-hero{padding:95px 8vw 55px;background:var(--navy);color:white}.hub-hero h1{max-width:960px}.hub-hero .lead{max-width:850px}.seo-detail{padding:70px 15vw;border-top:1px solid var(--line)}.seo-detail h2{font-size:36px}.seo-detail p,.seo-detail li{color:var(--steel);line-height:1.7}.seo-detail a{color:var(--orange);font-weight:700}@media(max-width:600px){.hub-hero{padding:70px 24px 42px}.seo-detail{padding:55px 24px}.seo-detail h2{font-size:30px}}.tool-section{padding:72px 8vw;background:#f7f9fa;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.tool-copy{max-width:900px}.tool-copy h2{font-size:40px;margin:14px 0}.tool-copy p{color:var(--steel);line-height:1.7}.formula{display:grid;gap:8px;padding:22px;margin:28px 0;background:#10222f;color:white}.formula span{font-family:monospace;line-height:1.6}.capacity-calculator{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:34px 0}.capacity-calculator label{font-size:13px;font-weight:700}.capacity-calculator input{width:100%;height:46px;margin-top:8px;padding:0 12px;border:1px solid #b9c6cd;background:white;font:inherit}.capacity-calculator output{grid-column:1/-1;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:24px;padding:24px;background:#e5ecef}.capacity-calculator output strong{font-size:28px}.capacity-calculator output small{font-size:18px;color:var(--orange);font-weight:700}.worked-example{display:grid;grid-template-columns:1fr 1fr;gap:20px 56px}.worked-example p,.worked-example li{color:var(--steel);line-height:1.7}.worked-example ul{margin:0}.guide-table{margin:34px 0;border-top:1px solid #aebbc3}.guide-row{display:grid;grid-template-columns:90px minmax(190px,.75fr) 1.5fr;gap:24px;padding:18px 12px;border-bottom:1px solid var(--line);align-items:start}.guide-row span{color:var(--steel);line-height:1.55}.guide-row a{color:var(--orange);font-weight:700}.guide-head{background:#10222f;color:white;border:0}.decision-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.decision-grid>div{padding:24px;background:white}.decision-grid p,.notice p{color:var(--steel);line-height:1.65}.notice{padding:28px;background:white;border-left:4px solid var(--orange)}.notice .button{margin-top:10px;color:white}@media(max-width:800px){.capacity-calculator{grid-template-columns:1fr 1fr}.worked-example,.decision-grid{grid-template-columns:1fr}.guide-row{grid-template-columns:52px 1fr}.guide-row span:last-child{grid-column:2}.capacity-calculator output{grid-template-columns:1fr}.tool-copy h2{font-size:32px}}@media(max-width:520px){.tool-section{padding:54px 24px}.capacity-calculator{grid-template-columns:1fr}.guide-row{gap:12px}.capacity-calculator output strong{font-size:24px}}
.section aside .button{color:#fff}
/* RFQ form: shared conversion-focused layout for every locale. */
#rfq-form{display:grid;gap:15px}
#rfq-form label{display:grid;gap:7px;color:var(--navy);font-size:13px;font-weight:700;line-height:1.35}
#rfq-form input,#rfq-form textarea{width:100%;min-width:0;border:1px solid #aebbc3;background:#fff;color:var(--navy);padding:11px 12px;font:inherit;font-weight:400;line-height:1.4;border-radius:2px}
#rfq-form input{min-height:44px}
#rfq-form textarea{min-height:116px;resize:vertical}
#rfq-form input:focus,#rfq-form textarea:focus{outline:3px solid #f36b2133;border-color:var(--orange)}
#rfq-form .button{justify-self:start;border:0;cursor:pointer;min-height:46px}
#rfq-form .button:disabled{cursor:wait;opacity:.7}
#rfq-help,#rfq-status{margin:0;color:var(--steel);font-size:12px;line-height:1.55}
#rfq-status:not(:empty){padding:10px 12px;border-left:3px solid var(--orange);background:#fff}
@media(max-width:600px){#rfq-form{gap:13px}#rfq-form .button{width:100%;text-align:center}}