/* SANFA: petroleum blue, red, warm white. No remote fonts or dependencies. */
:root{--blue:#005574;--deep:#073e54;--red:#cf1735;--ink:#16343e;--muted:#52666d;--line:#d8e2e5;--paper:#f3f6f5;--white:#fff;--radius:8px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:115px}body{margin:0;background:#fff;color:var(--ink);font:16px/1.65 "Segoe UI",Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;width:100%;height:auto}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #009fc0;outline-offset:5px}p{margin:0 0 1.25rem}h1,h2,h3{line-height:1.1;letter-spacing:-.045em;margin:0 0 1.2rem;font-weight:650}h1{font-size:clamp(42px,5.3vw,78px)}h2{font-size:clamp(31px,3.1vw,47px)}h3{font-size:26px;letter-spacing:-.025em}.wrap{width:min(1260px,calc(100% - 80px));margin:auto}.skip{position:fixed;top:-100px;background:var(--deep);color:white;padding:12px;z-index:50}.skip:focus{top:0}.topbar{background:var(--deep);color:#fff;font-size:13px}.topbar .wrap{display:flex;justify-content:space-between;padding:7px 0;gap:15px}.topbar a{font-weight:650;display:inline-flex;align-items:center;gap:7px}.top-contact{display:flex;gap:25px}.telegram-icon{width:15px;height:15px;fill:currentColor;flex-shrink:0}.header{position:sticky;top:0;z-index:20;background:#fffffff5;backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{width:228px;flex-shrink:0}.brand img{width:100%;height:60px;object-fit:contain}.navigation{display:flex;gap:27px;align-items:center;font-size:14px;font-weight:600}.navigation a{position:relative}.navigation a:hover,.navigation a[aria-current=page]{color:var(--red)}.language{display:flex;align-items:center;gap:9px;font-size:13px;white-space:nowrap}.language a{color:var(--muted);padding:4px 7px}.language 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var(--blue);background:var(--blue);color:white;transition:background .18s,transform .18s}.button:hover{background:var(--deep);transform:translateY(-2px)}.button.secondary{background:transparent;color:var(--blue)}.button.secondary:hover{background:#e4edf0}.button.light{background:#fff;color:var(--blue);border-color:white}.text-link{font-weight:650;color:var(--blue);border-bottom:1px solid var(--blue);padding-bottom:3px;display:inline-flex;gap:18px;align-items:center}.hero-art{align-self:stretch;position:relative;min-width:0}.hero-art .product-hero{height:100%;max-height:660px;object-fit:cover;object-position:50% 63%;mix-blend-mode:multiply}.hero-art:before{content:"";position:absolute;width:450px;height:450px;max-width:95%;border:1px solid #ccd9dc;border-radius:50%;top:50px;left:20px}.art-caption{position:absolute;bottom:45px;left:10px;right:0;display:flex;align-items:center;gap:17px;background:#ffffffed;padding:15px 21px;border-left:3px solid var(--red);box-shadow:0 8px 30px 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@media(min-width:1500px){.hero-art .product-hero{max-height:710px}.hero-grid{min-height:660px}}@media(max-width:1100px){.wrap{width:calc(100% - 48px)}.navigation{gap:16px;font-size:13px}.brand{width:185px}.hero-grid{gap:28px;min-height:570px}.hero-copy h1{font-size:55px}.hero-copy p{font-size:17px}.application{grid-template-columns:40px 1fr 260px}.application img{width:260px}.calc-grid{gap:32px}.guide-layout{gap:35px;grid-template-columns:190px 1fr}.topbar .wrap>span{max-width:50%}.gallery{gap:20px}}
@media(max-width:800px){html{scroll-padding-top:90px}.wrap{width:calc(100% - 36px)}.topbar .wrap>span{display:none}.topbar .wrap{justify-content:center}.top-contact{gap:18px}.header-inner{height:75px;gap:12px}.brand{width:171px}.brand img{height:47px}.menu-toggle{display:block;margin-left:auto}.navigation{display:none;position:absolute;top:75px;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:18px;flex-direction:column;align-items:stretch;gap:0}.navigation.is-open{display:flex}.navigation a{padding:12px;font-size:16px}.language{gap:1px;font-size:12px}.language a{padding:4px 5px}.hero-grid{grid-template-columns:1fr;gap:0}.hero-copy{padding:42px 0 30px}.hero-copy h1{font-size:clamp(44px,8vw,65px);max-width:650px}.hero-copy p{max-width:600px}.hero-art{height:405px;max-width:600px;width:100%;margin:auto}.hero-art .product-hero{object-position:50% 65%;height:100%}.hero-art:before{width:310px;height:310px;top:5px;left:20%}.art-caption{bottom:25px;left:0;max-width:330px}.art-caption strong{font-size:30px}.facts-grid{grid-template-columns:repeat(2,1fr)}.fact{padding:22px 18px;border-bottom:1px solid #ffffff26}.fact:first-child{padding-left:18px}.fact:nth-child(even){border-right:0}.fact strong{font-size:26px}.section{padding:58px 0}.section-heading{display:block;margin-bottom:30px}.section-heading p{max-width:100%}.section-heading .text-link{margin-top:15px}.product-picture{height:250px}.product-copy{padding:24px}.product-copy h3{font-size:24px}.application{grid-template-columns:35px 1fr;gap:15px;padding:27px 0}.application img{grid-column:2;width:100%;height:230px}.application h3{font-size:28px}.feature-photo .feature-copy{padding:35px;width:95%}.feature-copy h2{font-size:34px}.calc-grid,.contact-grid{grid-template-columns:1fr;gap:35px}.contact{padding:56px 0}.contact h2{font-size:38px}.contact-phone{font-size:34px}.footer-inner{flex-wrap:wrap}.page-intro{padding:40px 0}.guide-layout{display:block}.guide-sidebar{position:static;margin-bottom:35px;display:flex;flex-wrap:wrap;gap:8px}.guide-sidebar a{padding:6px 12px;background:var(--paper);border:1px solid var(--line);border-radius:4px;font-size:13px}.guide-sidebar p{display:none}.detail-heading{display:block}.detail-heading h2{font-size:29px}.diagram-footer{display:block}.diagram-footer a{display:inline-block;margin-bottom:10px}.gallery{grid-template-columns:repeat(2,1fr);gap:20px}.photo-button img{height:220px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
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