: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:32px;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}.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}@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 20px}.brand{width:142px}.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}}