:root{--bg:#050b13;--panel:#0b1624;--text:#f5f9ff;--muted:#9eb0c5;--a:#55e2d0;--line:#1c344d}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.wrap{width:min(1160px,92%);margin:auto}
nav{position:sticky;top:0;z-index:9;background:#050b13ed;border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.logo{font-weight:900;letter-spacing:2px}.logo b,.eyebrow,.num{color:var(--a)}.links{display:flex;gap:22px;color:var(--muted);font-size:14px}
.btn{display:inline-block;padding:12px 18px;border-radius:9px;background:var(--a);color:#031412;font-weight:800;border:0;cursor:pointer}.outline{background:transparent;color:#fff;border:1px solid var(--line)}
.hero{padding:115px 0 85px;background:radial-gradient(circle at 78% 10%,#123d4b,transparent 33%),radial-gradient(circle at 20% 85%,#101f46,transparent 30%)}.eyebrow{font-size:12px;font-weight:900;letter-spacing:2.5px;text-transform:uppercase}
h1{font-size:clamp(46px,7vw,80px);line-height:.98;margin:16px 0;max-width:900px}h2{font-size:40px;line-height:1.1;margin:8px 0}.lead{font-size:21px;color:var(--muted);max-width:760px}.muted{color:var(--muted)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.notice{margin-top:42px;padding:19px;border:1px solid #3d5048;background:#17201daa;border-radius:13px}.notice strong{color:var(--a)}section{padding:78px 0}.head{max-width:760px;margin-bottom:34px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.feature{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px}.tag{display:inline-block;border:1px solid #285051;color:var(--a);border-radius:99px;padding:4px 9px;font-size:11px;font-weight:800;text-transform:uppercase}.card h3{font-size:22px;margin:12px 0 6px}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.dark{background:#07111e}.split{display:grid;grid-template-columns:1fr 1fr;gap:50px}.list div{padding:15px 0;border-bottom:1px solid var(--line)}
details{background:var(--panel);border:1px solid var(--line);padding:17px;border-radius:10px;margin:10px 0}summary{font-weight:800;cursor:pointer}
form{display:grid;gap:13px}.two{display:grid;grid-template-columns:1fr 1fr;gap:13px}input,select,textarea{width:100%;padding:14px;border:1px solid var(--line);border-radius:9px;background:#060e19;color:#fff;font:inherit}textarea{min-height:145px}.check{font-size:14px;color:var(--muted)}
footer{border-top:1px solid var(--line);padding:38px 0;color:var(--muted);font-size:14px}
@media(max-width:850px){.links{display:none}.grid,.features,.split,.two{grid-template-columns:1fr}.hero{padding:78px 0 60px}h1{font-size:48px}}

/* Responsive preview refinements */
:root{--muted:#b2c1d2}html{scroll-padding-top:100px}body{overflow-wrap:break-word}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #55e2d0;outline-offset:5px}.skip{position:absolute;top:-100px;left:12px;z-index:100;background:#55e2d0;color:#031412;padding:12px}.skip:focus{top:10px}.preview-bar{padding:9px 4%;text-align:center;background:#182638;color:#d7e3ef;font-size:12px;letter-spacing:.4px}.logo{font-size:15px;line-height:1.3;max-width:240px}.logo b{display:inline}.hero .wrap{position:relative}.hero h1{max-width:850px;letter-spacing:-3px;line-height:1.06}.hero{background:radial-gradient(ellipse at 85% 30%,#14465866,transparent 50%),linear-gradient(130deg,#050b13,#0a1728);position:relative}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#80d6df08 1px,transparent 1px),linear-gradient(90deg,#80d6df08 1px,transparent 1px);background-size:60px 60px;pointer-events:none}.hero .lead{max-width:680px}.card{display:flex;flex-direction:column;gap:6px}.card p{flex:1}.card .btn{align-self:flex-start}.feature h3{line-height:1.4}.menu-button{display:none}.check{display:flex;gap:10px;align-items:flex-start}.check input{width:18px;height:18px;flex-shrink:0;margin-top:3px;accent-color:var(--a)}label{font-size:14px;font-weight:600;display:block}label input,label select,label textarea{margin-top:7px;font-weight:400}.form-note{font-size:14px;border-left:3px solid var(--a);padding:10px 14px;background:#102333}.status{padding:14px;border:1px solid var(--line);border-radius:9px}.status.ok{border-color:var(--a)}.status.err{border-color:#e06c6c}.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}button[disabled]{opacity:.6;cursor:wait}.footer-links{display:flex;gap:22px;flex-wrap:wrap;margin:20px 0}.policy-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.policy-grid p{color:var(--muted)}button{font:inherit}.btn{min-height:46px}.links a{padding:10px 0}section{scroll-margin-top:12px}.steps{counter-reset:step}.steps div{counter-increment:step}.steps div:before{content:"0" counter(step);color:var(--a);font-weight:800;margin-right:12px}h2{font-size:clamp(30px,4vw,40px)}
@media(max-width:1050px){.links{gap:14px}.nav>.btn{display:none}.features{grid-template-columns:repeat(2,1fr)}}
@media(max-width:850px){.nav{height:auto;min-height:72px;flex-wrap:wrap;padding:14px 0;gap:15px}.menu-button{display:block;background:transparent;border:1px solid var(--line);color:var(--text);padding:9px 14px;border-radius:8px}.links{display:none;width:100%;flex-direction:column;gap:0}.links.open{display:flex}.links a{border-top:1px solid var(--line);padding:12px 0}.logo{font-size:13px;max-width:220px}.hero h1{font-size:clamp(40px,9vw,68px);letter-spacing:-1.8px}.lead{font-size:18px}.features{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:repeat(2,1fr)}.split,.two,.policy-grid{grid-template-columns:1fr}.split{gap:30px}section{padding:56px 0}.hero{padding:62px 0}.wrap{width:90%}.notice{font-size:14px}.actions .btn{text-align:center}.preview-bar{font-size:11px}.card,.feature{padding:22px}}
@media(max-width:540px){.grid,.features{grid-template-columns:1fr}.actions{flex-direction:column}.actions .btn{width:100%}.hero h1{font-size:42px}.card h3{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.product-top{display:grid;grid-template-columns:100px minmax(0,1fr);gap:16px;align-items:center}.product-image{margin:0;aspect-ratio:1;border:1px dashed #426078;border-radius:12px;background:#102030;display:flex;align-items:center;justify-content:center;text-align:center;padding:10px;color:var(--muted);font-size:12px;line-height:1.4}.product-top h3{margin:0}.product-quantity{margin:14px 0 8px}.stock-note{font-size:12px;color:var(--muted);margin:0 0 10px}.card .product-request{width:100%}.product-top .tag{font-size:10px;margin-bottom:9px}@media(min-width:851px){#catalogue .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:540px){.product-top{grid-template-columns:90px minmax(0,1fr)}}
.product-image{display:block;position:relative;border:1px solid var(--line);padding:0;overflow:hidden}.product-image img{display:block;width:100%;height:100%;object-fit:cover}.product-image figcaption{position:absolute;bottom:0;left:0;right:0;background:#050b13db;font-size:10px;padding:4px 2px;color:#dce8f3}.product-top{grid-template-columns:130px minmax(0,1fr)}@media(max-width:540px){.product-top{grid-template-columns:110px minmax(0,1fr)}}
.hero-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.hero-copy{min-width:0}.hero h1{font-size:clamp(40px,4.8vw,66px);letter-spacing:-2px}.hero-packaging{margin:0;border:1px solid #24465b;border-radius:18px;overflow:hidden;background:#071421;box-shadow:0 24px 70px #0005}.hero-packaging img{display:block;width:100%;height:auto}.hero-packaging figcaption{padding:10px 14px;font-size:12px;color:var(--muted)}.hero{padding:72px 0 60px}@media(max-width:850px){.hero-layout{grid-template-columns:1fr;gap:30px}.hero h1{font-size:clamp(40px,8vw,60px)}.hero-packaging{width:100%}}
.packaging-bottom{max-width:1000px;margin:0 auto}
/* Sub-pages */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px}.crumbs a{text-decoration:underline;text-underline-offset:3px}
.page-hero{padding:64px 0 40px;background:radial-gradient(ellipse at 85% 30%,#14465866,transparent 50%),linear-gradient(130deg,#050b13,#0a1728)}
.page-hero h1{font-size:clamp(34px,5vw,54px);line-height:1.08;letter-spacing:-1px;margin:10px 0 14px}
.prose{max-width:760px}.prose h2{font-size:clamp(24px,3vw,30px);margin:38px 0 10px}.prose h3{font-size:19px;margin:26px 0 6px}.prose p,.prose li{color:#d3deea}.prose ul{padding-left:20px}.prose li{margin:6px 0}.prose a{color:var(--a);text-decoration:underline;text-underline-offset:3px}
.spec{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px}.spec th,.spec td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}.spec th{width:38%;color:var(--muted);font-weight:600}.spec td{overflow-wrap:anywhere}
.material-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start}.side{position:sticky;top:96px}.side .card{gap:12px}.side img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.related a{border:1px solid var(--line);border-radius:99px;padding:8px 14px;font-size:14px}
.article-list{display:grid;gap:16px;max-width:820px}.article-list a.card{display:block}.article-list h2{font-size:22px;margin:6px 0}
.meta{font-size:13px;color:var(--muted)}
.card-link{font-size:14px;color:var(--a);text-decoration:underline;text-underline-offset:3px}
@media(max-width:850px){.material-layout{grid-template-columns:1fr}.side{position:static}.spec th{width:45%}}