:root{--blue:#3D6BB3;--blue-deep:#2C5293;--ink:#14213D;--ink-70:#3E4A62;--ink-50:#6B7488;--line:#D9DFEA;--mist:#EEF2F8;--paper:#FFFFFF;--tile:#F6F8FC;--max:1180px;--r:6px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:"Archivo","IBM Plex Sans",sans-serif;font-weight:600;line-height:1.12;margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);letter-spacing:-.025em}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em;max-width:68ch}
a{color:var(--blue-deep)}
img,svg{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:100}.skip:focus{left:8px;top:8px}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand svg{height:44px;width:auto;flex:none}
.brand b{font-family:"Archivo",sans-serif;font-weight:700;font-size:1.02rem;letter-spacing:.01em;line-height:1.15;display:block}
.brand small{display:block;font-size:.78rem;color:var(--ink-50);line-height:1.2}
nav.main{display:flex;align-items:center;gap:4px}
nav.main a{text-decoration:none;color:var(--ink-70);padding:10px 14px;border-radius:var(--r);font-weight:500;font-size:.98rem}
nav.main a:hover,nav.main a:focus-visible{color:var(--ink);background:var(--mist)}
nav.main a[aria-current]{color:var(--blue-deep);font-weight:600}
.lang{margin-left:8px;border:1px solid var(--line);padding:7px 11px!important;font-size:.85rem!important;letter-spacing:.04em}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;padding:13px 22px;border-radius:var(--r);border:1px solid var(--blue);font-size:1rem;transition:background .15s}
.btn:hover{background:var(--blue-deep)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.sm{padding:9px 14px;font-size:.92rem}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--r);padding:8px 10px;cursor:pointer}
.menu-btn span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0}
@media (max-width:900px){
  .menu-btn{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:76px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 16px 16px}
  nav.main.open{display:flex}
  nav.main a{padding:12px 10px}
  .lang{margin:8px 0 0;align-self:flex-start}
  .brand small{display:none}
}
/* hero */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:92px 0 84px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:56px;align-items:center}
.hero h1{color:#fff;margin-bottom:.6em}
.hero .lede{font-size:1.17rem;color:#C8D2E6;max-width:60ch;margin-bottom:2em}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px}
.hero .btn.ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn.ghost:hover{background:#fff;color:var(--ink)}
.stripes{position:absolute;inset:0;pointer-events:none;opacity:.14}
.stripes svg{position:absolute;right:-6%;top:-20%;height:150%;width:auto}
.badge{position:relative;background:#fff;color:var(--ink);border-radius:10px;padding:28px 28px 24px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.badge .lx{height:34px;width:auto;margin-bottom:18px}
.lx-band .logo img,.aside .logo img{width:100%;height:auto}
.badge h3{font-size:1.3rem;margin-bottom:.3em}
.badge p{color:var(--ink-70);font-size:.98rem;margin:0}
.badge .seal{display:inline-block;margin-top:18px;font-size:.8rem;letter-spacing:.06em;color:var(--blue-deep);border:1px solid var(--line);padding:5px 10px;border-radius:999px}
@media (max-width:900px){.hero{padding:64px 0 56px}.hero .wrap{grid-template-columns:1fr;gap:36px}.stripes svg{right:-30%;height:120%}}
/* facts */
.facts{border-bottom:1px solid var(--line);background:var(--paper)}
.facts .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.facts div{padding:26px 24px 24px 0;border-left:1px solid var(--line);padding-left:20px}
.facts div:first-child{border-left:0;padding-left:0}
.facts b{display:block;font-family:"Archivo",sans-serif;font-size:1.55rem;font-weight:600;letter-spacing:-.02em;color:var(--blue-deep)}
.facts span{color:var(--ink-50);font-size:.95rem}
@media (max-width:900px){.facts .wrap{grid-template-columns:1fr}.facts div{border-left:0;padding-left:0;padding-top:14px;padding-bottom:14px}}
/* sections */
section.s{padding:84px 0}
section.s.alt{background:var(--mist)}
.sec-head{max-width:70ch;margin-bottom:40px}
.sec-head p{color:var(--ink-70);font-size:1.08rem}
/* family grid */
.families{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:20px}
.fam{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px 24px 20px;display:flex;flex-direction:column}
.fam h3{font-size:1.12rem;margin-bottom:.35em}
.fam .role{color:var(--ink-70);font-size:.95rem;margin-bottom:16px;flex:1}
.cells{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:8px}
.cell{background:var(--tile);border:1px solid var(--line);border-radius:5px;padding:10px 8px 8px;text-align:left;min-height:72px}
.cell b{font-family:"Archivo",sans-serif;font-size:1.05rem;letter-spacing:-.01em;color:var(--blue-deep);display:block;line-height:1}
.cell span{display:block;font-size:.72rem;line-height:1.25;color:var(--ink-70);margin-top:6px}
.fam a.more{margin-top:16px;font-size:.92rem;font-weight:600;text-decoration:none}
/* products page */
.pf{padding:56px 0;border-top:1px solid var(--line)}
.pf:first-of-type{border-top:0}
.pf .wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr);gap:48px}
.pf h2{font-size:1.65rem}
.pf .role{color:var(--ink-70)}
.plist{display:grid;gap:12px}
.prod{display:grid;grid-template-columns:86px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px 18px;align-items:start}
.prod .tag{font-family:"Archivo",sans-serif;font-size:1.25rem;font-weight:600;color:var(--blue-deep);letter-spacing:-.01em;background:var(--tile);border:1px solid var(--line);border-radius:5px;padding:12px 6px;text-align:center;line-height:1;word-break:break-word}
.prod .tag small{display:block;font-family:"IBM Plex Sans",sans-serif;font-size:.62rem;font-weight:500;color:var(--ink-50);margin-top:6px;letter-spacing:.02em}
.prod h3{font-size:1.05rem;margin:2px 0 4px}
.prod p{font-size:.95rem;color:var(--ink-70);margin:0}
.prod .ask{font-size:.86rem;font-weight:600;text-decoration:none;display:inline-block;margin-top:8px}
@media (max-width:900px){.pf .wrap{grid-template-columns:1fr;gap:20px}}
/* why */
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px 40px}
.why h3{font-size:1.08rem;margin-bottom:.3em;padding-top:14px;border-top:2px solid var(--blue)}
.why p{color:var(--ink-70);font-size:.97rem;margin:0}
/* industries */
.ind{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.ind div{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px 22px 18px}
.ind h3{font-size:1.06rem;margin-bottom:.3em}
.ind p{font-size:.95rem;color:var(--ink-70);margin:0}
/* lanxess */
.lx-band{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:center}
.lx-band .logo{background:#fff;border:1px solid var(--line);border-radius:10px;padding:34px 30px}
.lx-band p{color:var(--ink-70);font-size:1.05rem}
@media (max-width:900px){.lx-band{grid-template-columns:1fr;gap:28px}.lx-band .logo{max-width:260px}}
/* cta */
.cta{background:var(--ink);color:#fff;padding:72px 0}
.cta .wrap{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.cta h2{color:#fff;margin-bottom:.3em}.cta p{color:#C8D2E6;margin:0}
.cta .actions{display:flex;gap:12px;flex-wrap:wrap}
.cta .btn.ghost{color:#fff;border-color:rgba(255,255,255,.55)}
@media (max-width:900px){.cta .wrap{grid-template-columns:1fr}}
/* page head */
.ph{padding:72px 0 48px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--mist),#fff)}
.ph .crumbs{font-size:.88rem;color:var(--ink-50);margin-bottom:18px}
.ph .crumbs a{color:var(--ink-50);text-decoration:none}
.ph .lede{font-size:1.15rem;color:var(--ink-70);max-width:66ch}
/* about */
.prose{max-width:70ch;font-size:1.08rem}
.prose p{max-width:none}
.two{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:56px;align-items:start}
.aside{background:var(--mist);border-radius:10px;padding:28px}
.aside dt{font-family:"Archivo",sans-serif;font-weight:600;font-size:1.5rem;color:var(--blue-deep);letter-spacing:-.02em}
.aside dd{margin:0 0 18px;color:var(--ink-70);font-size:.95rem}
@media (max-width:900px){.two{grid-template-columns:1fr;gap:32px}}
/* contact */
.contact{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:56px;align-items:start}
form.q{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form.q label{display:flex;flex-direction:column;gap:6px;font-size:.9rem;font-weight:500;color:var(--ink-70)}
form.q label.full{grid-column:1/-1}
form.q input,form.q textarea{font:inherit;font-size:1rem;padding:11px 12px;border:1px solid #B9C3D6;border-radius:var(--r);background:#fff;color:var(--ink)}
form.q input:focus,form.q textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
form.q textarea{min-height:130px;resize:vertical}
form.q .note{grid-column:1/-1;font-size:.86rem;color:var(--ink-50);margin:0}
.card{background:var(--mist);border-radius:10px;padding:26px 28px;margin-bottom:16px}
.card h3{font-size:1rem;color:var(--ink-50);font-weight:500;margin-bottom:.4em}
.card p{margin:0;font-size:1.05rem}
.card a{text-decoration:none;font-weight:600}
.map{border:0;width:100%;height:320px;border-radius:10px;margin-top:8px}
@media (max-width:900px){.contact{grid-template-columns:1fr;gap:32px}form.q{grid-template-columns:1fr}}
/* footer */
footer{background:#0F1A31;color:#B9C4DA;padding:64px 0 32px;font-size:.95rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
footer h4{color:#fff;font-size:.95rem;margin-bottom:.8em}
footer a{color:#DCE3F2;text-decoration:none}footer a:hover{text-decoration:underline}
footer ul{list-style:none;margin:0;padding:0}footer li{margin:0 0 8px}
footer .brand b{color:#fff}footer .brand small{color:#8D9AB8}
footer .fine{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;font-size:.82rem;color:#8D9AB8;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer .fine p{margin:0;max-width:none}
@media (max-width:900px){footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){footer .cols{grid-template-columns:1fr}}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* --- SEO pages --- */
.ph .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.ph h1 .abbr{color:var(--blue-deep);font-weight:500}
.ph .meta{color:var(--ink-50);font-size:.9rem;margin-top:10px}
table.spec{width:100%;border-collapse:collapse;font-size:.97rem;margin-top:8px}
table.spec th,table.spec td{text-align:left;vertical-align:top;padding:11px 12px;border-top:1px solid var(--line)}
table.spec th{width:34%;color:var(--ink-50);font-weight:500;background:var(--tile)}
table.spec tr:last-child td,table.spec tr:last-child th{border-bottom:1px solid var(--line)}
ul.ticks{list-style:none;margin:0 0 28px;padding:0}
ul.ticks li{position:relative;padding-left:26px;margin:0 0 10px;color:var(--ink-70)}
ul.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;border-radius:3px;background:var(--blue);transform:rotate(45deg) scale(.7)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:0 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:1.4rem;color:var(--blue-deep);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 18px;color:var(--ink-70);max-width:none}
.relgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.relcard{display:block;background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px 18px;text-decoration:none;color:var(--ink)}
.relcard:hover{border-color:var(--blue)}
.relcard b{display:block;font-family:"Archivo",sans-serif;font-size:1.2rem;color:var(--blue-deep);letter-spacing:-.01em}
.relcard span{display:block;font-weight:600;margin-top:4px}
.relcard small{display:block;color:var(--ink-50);font-size:.82rem;margin-top:4px;line-height:1.3}
ul.links{list-style:none;margin:0;padding:0}
ul.links li{margin:0 0 10px;padding-left:16px;position:relative}
ul.links li::before{content:"→";position:absolute;left:0;color:var(--blue)}
.mt{margin-top:28px}
.prod h3 a{text-decoration:none;color:var(--ink)}.prod h3 a:hover{color:var(--blue-deep)}
.prod .cas{font-family:"IBM Plex Sans",sans-serif;font-weight:500;font-size:.78rem;color:var(--ink-50);margin-left:8px;background:var(--tile);border:1px solid var(--line);border-radius:4px;padding:2px 6px;vertical-align:middle}
.prod .ask + .ask{margin-left:16px}
.art h2{font-size:1.35rem;margin-top:1.6em}
.art p{color:var(--ink-70)}
footer .cols{grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr}
@media (max-width:900px){footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){footer .cols{grid-template-columns:1fr}}