:root{--ink:#182624;--muted:#566663;--paper:#fff;--mist:#f2f6f4;--line:#d5dfdb;--green:#0f6b5d;--night:#111817;--amber:#b27b2a;--max:1180px;font-family:Arial,"Helvetica Neue",sans-serif}*{box-sizing:border-box;letter-spacing:0}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);line-height:1.55}a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}.site-header{background:var(--night);color:#fff}.header-top{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:800}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid #a9d9d0;color:#a9d9d0;font-size:13px}.brand small{display:block;margin-top:2px;color:#aab9b5;font-size:10px;text-transform:uppercase}.header-link{border:1px solid #aab9b5;border-radius:3px;padding:8px 12px;font-size:12px;font-weight:700}.category-nav{border-top:1px solid #344340;background:#17201f;overflow-x:auto}.category-nav .container{display:flex;min-width:max-content}.category-nav a{padding:13px 15px;border-right:1px solid #344340;color:#d7e0dd;font-size:12px;font-weight:700;white-space:nowrap}.category-nav a:hover,.category-nav a.active{background:var(--green);color:#fff}.crumbs{padding:20px 0 0;color:#a6b8b4;font-size:12px}.crumbs a{text-decoration:underline;text-underline-offset:3px}.hero{padding:0 0 68px;background:var(--night);color:#fff}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:end;padding-top:52px}.eyebrow{margin:0 0 12px;color:#8bd6c8;font-size:12px;font-weight:800;text-transform:uppercase}.hero h1{max-width:780px;margin:0;font-size:54px;line-height:1.04}.hero p{max-width:760px;margin:22px 0 0;color:#c2d0cc;font-size:18px}.hero-aside{padding:20px;border-top:2px solid #8bd6c8;background:#1b2926}.hero-aside b{display:block;font-size:13px}.hero-aside span{display:block;margin-top:7px;color:#b8c7c2;font-size:12px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 17px;border:1px solid var(--green);border-radius:4px;background:var(--green);color:#fff;font-size:14px;font-weight:800}.button:hover{background:#0a5147}.button.light{border-color:#81928e;background:transparent;color:#fff}.button.white{border-color:var(--line);background:#fff;color:var(--ink)}.section{padding:74px 0}.section-muted{background:var(--mist)}.intro{max-width:830px}.intro h2{margin:0;font-size:38px;line-height:1.14}.intro p{margin:17px 0 0;color:var(--muted);font-size:17px}.spec-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:55px;margin-top:45px}.section-title{margin:0;font-size:27px}.scope-list{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 34px}.scope-list span{padding:7px 10px;border:1px solid var(--line);background:#fff;color:#3c504c;font-size:13px}.params{margin:24px 0 0;border-top:1px solid var(--line)}.param{display:grid;grid-template-columns:190px minmax(0,1fr);gap:20px;padding:15px 0;border-bottom:1px solid var(--line)}.param b{font-size:14px}.param span{color:var(--muted);font-size:14px}.supply-card{padding:25px;background:#17312d;color:#fff}.supply-card h3{margin:0;font-size:21px;line-height:1.2}.supply-card p{margin:16px 0 0;color:#c0d0cb;font-size:14px}.supply-card ul{display:grid;gap:11px;margin:20px 0 0;padding:0;list-style:none}.supply-card li{padding-top:11px;border-top:1px solid #3c514d;color:#d9e4e1;font-size:13px}.evidence{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px}.evidence article{min-height:180px;padding:22px;border:1px solid var(--line);background:#fff}.evidence strong{display:block;color:var(--amber);font-size:12px}.evidence h3{margin:20px 0 8px;font-size:20px}.evidence p{margin:0;color:var(--muted);font-size:14px}.rfq-band{background:#e7f1ee}.rfq-band .inner{display:flex;justify-content:space-between;gap:30px;align-items:center}.rfq-band h2{margin:0;font-size:32px;line-height:1.15}.rfq-band p{margin:12px 0 0;color:var(--muted)}.footer{padding:36px 0;background:var(--night);color:#aebdb9;font-size:12px}.footer strong{color:#fff}.whatsapp{position:fixed;right:18px;bottom:18px;z-index:20;padding:12px 15px;border-radius:4px;background:#187d63;color:#fff;font-size:13px;font-weight:800;box-shadow:0 8px 22px #0003}.rfq-page{padding:58px 0;background:var(--mist);min-height:calc(100vh - 136px)}.rfq-shell{max-width:940px;margin:0 auto;padding:32px;background:#fff;border:1px solid var(--line)}.rfq-shell h1{margin:0;font-size:38px;line-height:1.12}.rfq-shell>p{max-width:690px;color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:800}.field input,.field select,.field textarea{width:100%;min-height:46px;padding:10px 11px;border:1px solid #becbc6;border-radius:3px;background:#fff;color:var(--ink);font:inherit}.field textarea{min-height:120px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 3px #0f6b5d1c}.form-note{margin:14px 0 0;color:var(--muted);font-size:12px}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.thank-you{padding:100px 0;text-align:center}.thank-you h1{font-size:44px;margin:0}.thank-you p{max-width:640px;margin:18px auto;color:var(--muted);font-size:17px}@media(max-width:850px){.container{width:min(100% - 32px,var(--max))}.header-top{min-height:64px}.hero-grid,.spec-layout{grid-template-columns:1fr;gap:28px}.hero{padding-bottom:48px}.hero-grid{padding-top:34px}.hero h1{font-size:39px}.hero p{font-size:16px}.section{padding:54px 0}.intro h2{font-size:31px}.param{grid-template-columns:1fr;gap:4px}.evidence{grid-template-columns:1fr}.rfq-band .inner{display:block}.rfq-band .actions{margin-top:22px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.rfq-shell{padding:22px}.rfq-shell h1{font-size:31px}.whatsapp{right:12px;bottom:12px}.category-nav a{padding:12px 13px}}
/* Premium industrial visual overrides */
:root{--ink:#171a1c;--muted:#66706e;--mist:#f0f1f0;--line:#d4d8d6;--green:#c84b32;--night:#111315;--amber:#c84b32}.brand-mark{border-color:#e6b3a8;color:#e6b3a8}.brand small{color:#aeb8b5}.header-link{border-color:#aeb8b5;border-radius:0}.header-link:hover{border-color:#e6b3a8;color:#e6b3a8}.category-nav{border-color:#34393a;background:#15191a}.category-nav a{border-color:#34393a;color:#c7cfcd}.category-nav a:hover,.category-nav a.active{background:#c84b32}.eyebrow{color:#e6b3a8}.hero{background:linear-gradient(125deg,#101213,#1b2021)}.hero-aside{border-top-color:#e6b3a8;background:#202526}.hero-aside span{color:#bfc8c6}.button{border-radius:0;background:#c84b32;border-color:#c84b32}.button:hover{background:#a83a28}.button.light{border-color:#9aa4a2}.scope-list span{border-radius:0}.supply-card{background:#1b2021}.supply-card p{color:#c3cbca}.supply-card li{border-color:#3a4444}.evidence article{border-radius:0}.evidence strong{color:#c84b32}.rfq-band{background:#e8ebea}.whatsapp{border-radius:0;background:#c84b32}.field input:focus,.field select:focus,.field textarea:focus{border-color:#c84b32;box-shadow:0 0 0 3px #c84b3222}