:root{--ink:#0b2434;--ink2:#12384c;--cyan:#1fd0c2;--lime:#c7ef47;--paper:#f4f7f4;--line:#cbd7d7;--white:#fff;--muted:#5b6e76}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}
.topbar{height:84px;padding:0 max(4vw,28px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(244,247,244,.92);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:7px;background:var(--ink);border:2px solid var(--cyan);color:white;font:700 24px/38px "IBM Plex Mono";text-align:center;position:relative}.brand-mark span{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--lime);right:4px;top:4px}.brand b{display:block;font:600 16px/1.1 "IBM Plex Mono";letter-spacing:.04em}.brand small{display:block;color:var(--muted);font:500 9px/1.6 "IBM Plex Mono";letter-spacing:.12em}
nav{display:flex;gap:32px;font-size:13px;font-weight:700}nav a:hover{color:#079b90}.header-actions{display:flex;align-items:center;gap:20px}.languages{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}.languages button{border:0;border-right:1px solid var(--line);background:transparent;padding:8px 9px;color:var(--muted);font:600 11px "IBM Plex Mono";cursor:pointer}.languages button:last-child{border:0}.languages button.active{background:var(--ink);color:white}
.btn{display:inline-flex;justify-content:center;align-items:center;background:var(--cyan);color:var(--ink);border:1px solid var(--ink);border-radius:3px;padding:15px 21px;font-weight:800;font-size:13px;cursor:pointer;box-shadow:4px 4px 0 var(--ink);transition:.18s}.btn:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}.btn.small{padding:11px 15px;box-shadow:none}.btn.light{background:var(--lime)}
.hero{min-height:680px;display:grid;grid-template-columns:1.25fr .75fr;gap:7vw;padding:86px max(6vw,40px);border-bottom:1px solid var(--line);background-image:linear-gradient(rgba(11,36,52,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(11,36,52,.045) 1px,transparent 1px);background-size:40px 40px}
.hero-copy{max-width:760px}.eyebrow{display:block;font:600 11px "IBM Plex Mono";color:#087f78;letter-spacing:.18em;margin-bottom:22px}.hero h1{font-size:clamp(42px,5.7vw,82px);line-height:.99;letter-spacing:-.055em;margin:0 0 28px}.hero-copy>p{font-size:18px;line-height:1.7;color:var(--muted);max-width:610px}
.hero-search{display:flex;margin:34px 0 22px;max-width:670px}.hero-search input,.catalog-tools input{min-width:0;flex:1;padding:17px;border:1px solid var(--ink);background:white;outline:none}.hero-search input:focus,.catalog-tools input:focus{box-shadow:inset 0 0 0 2px var(--cyan)}.hero-search button{border:1px solid var(--ink);border-left:0;background:var(--ink);color:white;padding:0 28px;font-weight:800;cursor:pointer}.hero-meta{display:flex;gap:26px;font-size:12px;font-weight:700}.hero-meta>span{display:flex;align-items:center;gap:8px}.hero-meta i{width:7px;height:7px;border-radius:50%;background:var(--cyan)}
.lab-card{align-self:center;background:var(--ink);color:white;border-radius:5px;min-height:480px;padding:23px;position:relative;box-shadow:18px 18px 0 var(--cyan);overflow:hidden}.lab-card:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 39px,rgba(255,255,255,.05) 40px);pointer-events:none}.lab-top{display:flex;justify-content:space-between;color:var(--cyan);font:500 11px "IBM Plex Mono";letter-spacing:.1em}.molecule{height:310px;position:relative}.atom{position:absolute;border-radius:50%;display:grid;place-items:center;font:600 20px "IBM Plex Mono";z-index:2}.oxygen{width:104px;height:104px;background:var(--cyan);color:var(--ink);left:50%;top:105px;transform:translateX(-50%);box-shadow:0 0 0 18px rgba(31,208,194,.1)}.hydrogen{width:66px;height:66px;background:var(--lime);color:var(--ink)}.h1{left:12%;top:38px}.h2{right:12%;top:38px}.bond{position:absolute;height:4px;background:white;width:120px;top:116px}.bond.one{left:24%;transform:rotate(32deg)}.bond.two{right:24%;transform:rotate(-32deg)}.lab-readout{position:absolute;bottom:25px;left:25px;right:25px;border-top:1px solid rgba(255,255,255,.22);padding-top:16px;display:grid;grid-template-columns:1fr auto;gap:8px;font:500 11px "IBM Plex Mono";z-index:2}.lab-readout span{color:#8aa1ac}.lab-readout b{color:var(--lime)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);background:white;border-bottom:1px solid var(--line)}.stats div{padding:30px max(4vw,28px);border-right:1px solid var(--line)}.stats div:last-child{border:0}.stats b{display:block;font:600 26px "IBM Plex Mono";margin-bottom:5px}.stats span{color:var(--muted);font-size:12px}
.section{padding:100px max(6vw,40px)}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:42px}.section-heading h2{margin:0;font-size:clamp(34px,4vw,57px);letter-spacing:-.045em}.section-heading p{max-width:500px;color:var(--muted);line-height:1.65}
.catalog-tools{display:flex;gap:18px;align-items:center;margin-bottom:28px}.catalog-tools>input{max-width:410px;padding:13px 15px}.filters{display:flex;gap:8px;flex-wrap:wrap}.filters button{border:1px solid var(--line);background:transparent;border-radius:20px;padding:9px 14px;font-size:11px;font-weight:800;cursor:pointer}.filters button.active{background:var(--ink);color:white;border-color:var(--ink)}
.products{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.product{min-height:280px;background:white;padding:24px;display:flex;flex-direction:column;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.2s}.product:hover{background:#ecfffb;transform:translateY(-3px)}.product-top{display:flex;justify-content:space-between;gap:10px;font:500 10px "IBM Plex Mono";color:var(--muted)}.formula{color:#078077;font-weight:600}.product h3{font-size:19px;line-height:1.35;margin:32px 0 9px}.product p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.product-bottom{margin-top:auto;display:flex;justify-content:space-between;align-items:end;border-top:1px solid #e5eceb;padding-top:15px}.product-bottom span{font:600 11px "IBM Plex Mono"}.product-bottom a{font-size:12px;font-weight:800;color:#087f78}.empty-state{text-align:center;padding:55px 20px;border:1px dashed var(--line);background:white}.empty-state p{color:var(--muted);margin-bottom:28px}
.supply{background:var(--ink);color:white}.supply .eyebrow{color:var(--cyan)}.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid rgba(255,255,255,.2)}.steps article{min-height:245px;padding:24px;border-right:1px solid rgba(255,255,255,.2)}.steps article:last-child{border:0}.steps span{font:600 11px "IBM Plex Mono";color:var(--cyan)}.steps h3{font-size:20px;margin:48px 0 12px}.steps p{font-size:13px;color:#a9bdc7;line-height:1.65}.safety{border-left:3px solid var(--lime);padding:3px 0 3px 18px;margin:28px 0 0;max-width:850px;color:#a9bdc7;font-size:12px;line-height:1.6}
.contact{display:grid;grid-template-columns:1.15fr .85fr;gap:9vw;background:var(--cyan)}.contact .eyebrow{color:var(--ink)}.contact h2{font-size:clamp(38px,5vw,68px);line-height:1.05;letter-spacing:-.05em;margin:0 0 18px}.contact p{max-width:600px;line-height:1.7;margin-bottom:30px}.contact dl{margin:0}.contact dl div{padding:22px 0;border-top:1px solid rgba(11,36,52,.35)}.contact dt{font:600 10px "IBM Plex Mono";letter-spacing:.12em;margin-bottom:7px}.contact dd{margin:0;font-size:17px;font-weight:700}
footer{padding:35px max(4vw,28px);display:flex;justify-content:space-between;align-items:center;background:white;border-top:1px solid var(--line);font-size:12px}footer a{font-weight:800}
@media(max-width:1000px){.topbar nav{display:none}.hero{grid-template-columns:1fr;padding-top:60px}.lab-card{min-height:390px}.molecule{height:245px}.oxygen{top:78px}.bond{top:90px}.products{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.steps article:nth-child(2){border-right:0}.steps article:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.2)}}
@media(max-width:680px){.topbar{height:72px;padding:0 16px}.brand small{display:none}.topbar .btn{display:none}.header-actions{gap:8px}.hero,.section{padding:58px 20px}.hero{min-height:0}.hero h1{font-size:43px}.hero-copy>p{font-size:15px}.hero-search{display:grid}.hero-search button{height:48px;border-left:1px solid var(--ink);border-top:0}.hero-meta{display:grid;gap:10px}.lab-card{min-height:330px;box-shadow:9px 9px 0 var(--cyan)}.molecule{height:205px}.oxygen{width:84px;height:84px;top:66px}.hydrogen{width:54px;height:54px}.h1{left:6%}.h2{right:6%}.bond{width:95px;top:84px}.lab-readout{font-size:9px}.stats{grid-template-columns:1fr}.stats div{border-right:0;border-bottom:1px solid var(--line)}.section-heading{display:block}.catalog-tools{display:block}.catalog-tools>input{width:100%;max-width:none;margin-bottom:15px}.products{grid-template-columns:1fr}.product{min-height:240px}.steps{grid-template-columns:1fr}.steps article{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.2)!important;min-height:190px}.steps article:last-child{border-bottom:0!important}.contact{grid-template-columns:1fr}.contact dl{margin-top:15px}footer{gap:18px;flex-wrap:wrap}footer .brand small{display:none}}