:root{--navy:#101d42;--navy-deep:#0c1633;--ink:#172440;--cyan:#9be5e8;--teal:#176773;--paper:#fff;--muted:#5b6578;--line:#e0e5ed;--soft:#f3f6fa;--radius:12px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);font-size:16px;line-height:1.6;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #1ca7bb;outline-offset:5px}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #238190;outline-offset:2px}button{color:inherit}img{display:block;max-width:100%}.container{width:min(1224px,calc(100% - 96px));margin-inline:auto}.skip-link{position:fixed;top:-100px;left:16px;z-index:100;background:white;padding:12px}.skip-link:focus{top:12px}.utility{background:var(--navy-deep);color:#b9c9e3;font-size:.75rem;letter-spacing:1.15px}.utility .container{min-height:35px;display:flex;justify-content:space-between;gap:24px;align-items:center}.header{position:sticky;top:0;z-index:30;background:var(--navy);color:#fff;border-bottom:1px solid #ffffff18}.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:91px;gap:24px}.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}.brand-mark{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid #ffffff66;font-weight:700;font-size:1.15rem;letter-spacing:-3px;padding-right:3px}.brand-mark span{color:var(--cyan)}.brand-name{font-size:1rem;line-height:1.35;font-weight:700;letter-spacing:1px}.brand-name>span{display:block;font-size:.7rem;letter-spacing:3.9px;font-weight:400;color:#b9c9e3;margin-top:4px}.header nav{display:flex;align-items:center;gap:30px;font-size:.875rem}.header nav>a:not(.button):hover{color:var(--cyan)}.button{display:inline-flex;align-items:center;justify-content:center;text-align:center;padding:14px 23px;border:1px solid transparent;border-radius:5px;font-weight:600;font-size:.9375rem;line-height:1.45;min-height:48px;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button-small{padding:11px 19px;min-height:44px}.button-light{background:#fff;color:var(--navy)}.button-cyan{background:var(--cyan);color:var(--navy)}.button-cyan:hover{background:#c3f3f4}.button-navy{background:var(--navy);color:#fff}.button-navy:hover{background:#223968}.menu-toggle{display:none}.hero{background:var(--navy);color:#fff;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;padding-top:62px;padding-bottom:60px}.eyebrow{font-size:.75rem;font-weight:700;letter-spacing:2px;margin:0 0 22px;color:var(--teal);line-height:1.5}.eyebrow.light{color:var(--cyan)}h1,h2,h3,h4,p{margin-top:0}h1{font-size:clamp(3rem,5.3vw,4.75rem);line-height:1.075;letter-spacing:-3.7px;font-weight:500;margin-bottom:25px}h1>span{color:var(--cyan)}.hero-description{font-size:1.125rem;line-height:1.8;color:#c5cfe0;max-width:420px;margin-bottom:32px}.hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap}.text-link{font-size:.9375rem;border-bottom:1px solid #ffffff70;padding-block:5px}.hero-footnote{display:flex;align-items:center;gap:12px;color:#a8b9d4;font-size:.75rem;letter-spacing:1.1px;margin-top:42px}.line{width:26px;height:1px;background:var(--cyan)}.hero-visual{height:468px;position:relative;isolation:isolate;border-radius:6px;overflow:hidden;border:1px solid #ffffff28;background:#09223c}.hero-visual>img{height:100%;width:100%;object-fit:cover;object-position:61% center}.hero-visual:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,#09172bc9);z-index:0;pointer-events:none}.image-tag{position:absolute;top:21px;left:22px;background:#0e1d3baa;padding:6px 10px;font-size:.75rem;letter-spacing:1.7px;color:#d4ebf4;z-index:1}.oxygen-label{position:absolute;bottom:24px;left:24px;right:24px;display:flex;align-items:center;gap:17px;z-index:1}.oxygen-symbol{font-size:3.25rem;line-height:1;border-right:1px solid #ffffff44;padding-right:20px;font-weight:400;letter-spacing:-3px}.oxygen-symbol sub{font-size:.58em}.oxygen-label>div{display:flex;flex-direction:column;gap:3px}.label-small{font-size:.75rem;letter-spacing:2px;color:var(--cyan)}.oxygen-label strong{font-size:1rem}.oxygen-label>div>span:last-child{font-size:.8rem;color:#b9c9da}.hero-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #ffffff26;padding-top:27px;padding-bottom:29px}.hero-strip>div{display:flex;align-items:center;gap:21px;padding-left:34px;border-left:1px solid #ffffff26}.hero-strip>div:first-child{padding-left:0;border-left:0}.strip-number{font-size:.8125rem;color:#90a4c3;font-variant-numeric:tabular-nums}.hero-strip>div>span:last-child{font-size:.8125rem;line-height:1.7;color:#aebed7}.hero-strip strong{font-size:1rem;color:white;font-weight:500}.section{padding-block:90px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:50px;margin-bottom:36px}.section-heading h2{margin-bottom:0}h2{font-size:clamp(2rem,3.4vw,2.75rem);font-weight:500;line-height:1.17;letter-spacing:-1.65px;margin-bottom:27px}.section-heading>p{max-width:335px;margin-bottom:5px;font-size:1rem;color:var(--muted);line-height:1.8}.catalog-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-block:15px 25px}.filters{display:flex;gap:8px;flex-wrap:wrap}.filter{font-size:.875rem;background:#fff;border:1px solid var(--line);padding:10px 20px;border-radius:4px;min-height:44px}.filter.active{background:var(--navy);color:#fff;border-color:var(--navy)}.filter:hover:not(.active){background:var(--soft)}.result-count{font-size:.8125rem;color:var(--muted);margin:0}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px 25px;display:flex;flex-direction:column;min-height:270px;background:#fff;transition:box-shadow .2s,border-color .2s}.product-card:hover{border-color:#b6c9d9;box-shadow:0 10px 32px #10204408}.product-card[hidden]{display:none}.product-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:25px}.product-symbol{font-size:1.85rem;letter-spacing:-1px;line-height:1.2;color:#264478;font-weight:500}.product-symbol sub{font-size:.6em}.product-kind{font-size:.75rem;letter-spacing:.75px;color:var(--muted);text-align:right;max-width:128px;line-height:1.6}.product-card h3{font-size:1.1875rem;line-height:1.4;letter-spacing:-.3px;margin-bottom:11px;font-weight:600}.product-card p{font-size:.9375rem;color:var(--muted);line-height:1.75;margin-bottom:22px}.product-enquire{margin-top:auto;align-self:flex-start;padding:3px 0;border:0;border-bottom:1px solid #abc0d1;background:transparent;font-size:.875rem;text-align:left;min-height:36px;font-weight:600}.product-enquire:hover{color:var(--teal);border-color:var(--teal)}.featured{background:#edf6fb;border-color:#cddfe9}.chemical{background:#f3f9f8;border-color:#dce9e5}.chemical .product-symbol{color:var(--teal)}.catalog-note{display:flex;align-items:center;column-gap:10px;row-gap:8px;flex-wrap:wrap;padding-top:27px;font-size:.875rem}.catalog-note p{margin:0}.catalog-note>a{color:var(--teal);font-weight:600;text-decoration:underline;text-underline-offset:4px}.catalog-note>span{display:block;width:100%;font-size:.8125rem;color:var(--muted)}.about{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.about-intro{color:#45526a;line-height:1.85;font-size:1.0625rem;max-width:480px}.about-small{color:var(--muted);line-height:1.8;margin-bottom:28px}.about-details>div{display:flex;gap:23px;padding-block:26px;border-bottom:1px solid #d7dee9}.about-details>div:first-child{padding-top:0}.about-details>div:last-child{border:0;padding-bottom:0}.detail-number{font-size:.8125rem;white-space:nowrap;color:var(--teal);padding-top:3px}.about-details h3{font-size:1.1875rem;letter-spacing:-.3px;margin-bottom:9px;font-weight:600}.about-details p{color:var(--muted);font-size:.9375rem;line-height:1.8;margin-bottom:0}.enquiry{background:var(--navy);color:#fff}.enquiry-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:95px;align-items:start}.enquiry-intro{padding-top:12px}.enquiry-intro h2{font-size:clamp(2.2rem,4vw,3.5rem)}.enquiry-intro>p:not(.eyebrow){color:#b8c6dc;line-height:1.8;font-size:1.0625rem;max-width:350px;margin-bottom:32px}.enquiry-phone{display:block;font-size:1.75rem;font-weight:500;letter-spacing:-.5px}.phone-caption{display:block;color:#b8c6dc;font-size:.875rem;margin-top:2px}.enquiry-guidance{border-top:1px solid #ffffff2a;padding-top:25px;margin-top:38px;max-width:340px}.enquiry-guidance>span{color:var(--cyan);font-size:.875rem}.enquiry-guidance>p{color:#b8c6dc;font-size:.875rem;line-height:1.9;margin:8px 0 0}.enquiry-form{background:white;color:var(--ink);border-radius:var(--radius);padding:33px;min-width:0}.enquiry-form h3{font-size:1.4rem;font-weight:600;letter-spacing:-.5px;margin-bottom:24px}.enquiry-form label{display:block;font-size:.8125rem;font-weight:600;margin-bottom:6px}.enquiry-form label span{color:var(--teal)}.enquiry-form input,.enquiry-form select,.enquiry-form textarea{display:block;width:100%;background:#fff;border:1px solid #cfd6e0;border-radius:4px;color:var(--ink);padding:11px 12px;min-height:47px;font-size:1rem;margin:0 0 18px;min-width:0}.enquiry-form select{padding-right:28px}.enquiry-form input::placeholder,.enquiry-form textarea::placeholder{color:#778194;font-size:.875rem}.enquiry-form textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-submit{width:100%}.form-help{font-size:.75rem;color:var(--muted);line-height:1.65;margin:13px 0 0}.draft-panel{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.draft-panel h4{margin-bottom:12px}.draft-panel pre{font-family:inherit;font-size:.875rem;white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;background:var(--soft);line-height:1.65}.draft-status{font-size:.8125rem;color:var(--teal);margin:14px 0 0}.contact-grid{display:grid;grid-template-columns:1fr 1fr 1.35fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.contact-card{padding:30px;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:flex-start}.contact-card:last-child{border:0;background:var(--soft)}.contact-label{font-size:.7rem;letter-spacing:1.5px;color:var(--teal);font-weight:600;margin-bottom:17px}.contact-card h3{font-size:1.1875rem;font-weight:600;margin-bottom:12px}.contact-number{font-size:1.1875rem;white-space:nowrap;letter-spacing:-.4px;margin-bottom:27px}.contact-action{font-size:.875rem;border-bottom:1px solid #acbaca;padding-bottom:3px;margin-top:auto;font-weight:600}.contact-action:hover{color:var(--teal)}address{font-size:.875rem;color:var(--muted);font-style:normal;line-height:1.8;margin-bottom:19px}footer{background:var(--navy-deep);color:#fff}.footer-top{display:flex;gap:40px;align-items:center;padding-block:42px}.footer-top>p{color:#aabbd3;margin:0 auto 0 14px;font-size:.875rem;line-height:1.8}.footer-top>a:not(.brand){font-size:.875rem;white-space:nowrap}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff22;padding-block:23px;font-size:.75rem;color:#9eaec6}.brand:focus-visible,.text-link:focus-visible{outline-color:var(--cyan)}
@media(min-width:1600px){.container{width:min(1320px,calc(100% - 140px))}.hero-grid{gap:80px}.hero-visual{height:490px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.hero-grid{gap:32px}h1{letter-spacing:-2.8px}.hero-visual{height:420px}.header nav{gap:21px}.about-grid,.enquiry-grid{gap:50px}.product-card{padding:22px 20px}.product-top{align-items:flex-start}.contact-card{padding:25px 21px}.contact-number{font-size:1.05rem}.footer-top{gap:24px}.footer-top>p{margin-left:0}.oxygen-label{left:18px;right:18px}.oxygen-label>div>span:last-child{display:none}}
@media(max-width:800px){.container{width:calc(100% - 40px)}.utility .container>span:last-child{display:none}.utility{font-size:.75rem;letter-spacing:.7px}.nav-wrap{min-height:78px}.brand-name{font-size:.85rem}.brand-name>span{font-size:.75rem}.brand-mark{width:39px;height:39px}.menu-toggle{display:flex;align-items:center;gap:10px;background:transparent;border:1px solid #ffffff45;border-radius:4px;color:#fff;font-size:.875rem;min-height:42px;padding:7px 12px}.header nav{display:none;position:absolute;left:0;right:0;top:100%;padding:18px 20px 24px;background:var(--navy);border-top:1px solid #ffffff22;box-shadow:0 16px 20px #0b163322;flex-direction:column;align-items:stretch;gap:7px}.header nav.open{display:flex}.header nav>a:not(.button){padding:12px}.header nav .button{margin-top:8px}.hero-grid{grid-template-columns:1fr;gap:36px;padding-top:42px;padding-bottom:36px}.hero-copy{max-width:540px}.hero-description{max-width:440px}.hero-visual{height:340px}.hero-visual>img{object-position:center 57%}h1{font-size:clamp(3.3rem,8vw,4.6rem);letter-spacing:-2.7px}.hero-footnote{margin-top:28px}.hero-strip>div{padding-left:18px;gap:12px}.hero-strip strong{font-size:.875rem}.hero-strip>div>span:last-child{font-size:.75rem}.hero-strip .strip-number{display:none}.section{padding-block:60px}.section-heading{align-items:flex-start;gap:24px;flex-direction:column;margin-bottom:26px}.section-heading>p{max-width:490px}h2{font-size:2.3rem}.product-grid{grid-template-columns:repeat(2,1fr)}.about-grid{gap:35px;grid-template-columns:1fr}.about-intro{max-width:none}.about-details>div{padding-block:22px}.enquiry-grid{grid-template-columns:1fr;gap:32px}.enquiry-intro>p:not(.eyebrow){max-width:480px;margin-bottom:22px}.enquiry-guidance{display:none}.contact-grid{grid-template-columns:1fr 1fr}.contact-card:nth-child(2){border-right:0}.address-card{grid-column:1/-1;border-top:1px solid var(--line)!important}.footer-top{flex-wrap:wrap;gap:26px}.footer-top>p{width:45%;margin-left:auto}.footer-bottom{flex-direction:column;gap:6px}}
@media(max-width:480px){.container{width:calc(100% - 36px)}.brand{gap:9px}.brand-name{font-size:.75rem;letter-spacing:.6px}.brand-name>span{font-size:.75rem;letter-spacing:3px}.menu-toggle{font-size:.8rem;padding:7px 9px;gap:8px}.hero-grid{padding-top:37px}.eyebrow{font-size:.75rem;letter-spacing:1.5px;margin-bottom:18px}h1{font-size:3.22rem;letter-spacing:-2.5px;line-height:1.07}.hero-description{font-size:1rem;line-height:1.8}.hero-actions{gap:21px}.hero-actions .button{padding:13px 18px;font-size:.875rem}.text-link{font-size:.875rem}.hero-visual{height:290px}.image-tag{font-size:.6rem;left:15px;top:15px;letter-spacing:1px}.oxygen-label{bottom:18px;gap:13px}.oxygen-symbol{font-size:2.8rem;padding-right:16px}.oxygen-label strong{font-size:.9rem}.hero-footnote{font-size:.64rem;letter-spacing:.8px}.hero-strip{padding-block:23px}.hero-strip>div{padding-left:12px}.hero-strip strong{font-size:.8125rem}.hero-strip>div>span:last-child{font-size:.75rem}h2{font-size:2rem;letter-spacing:-1px}.section-heading>p{font-size:.9375rem}.catalog-toolbar{flex-direction:column;align-items:flex-start;gap:12px;padding-top:6px}.filter{padding:9px 17px;font-size:.8125rem}.product-grid{grid-template-columns:1fr;gap:14px}.product-card{min-height:245px;padding:24px}.product-top{margin-bottom:20px;align-items:center}.product-kind{max-width:none;font-size:.75rem}.product-card h3{font-size:1.25rem}.product-card p{font-size:1rem}.product-enquire{font-size:.875rem}.enquiry-form{padding:24px 20px}.form-row{grid-template-columns:1fr;gap:0}.contact-grid{grid-template-columns:1fr}.contact-card{border:0;border-bottom:1px solid var(--line);padding:26px}.contact-card:nth-child(2){border-bottom:0}.address-card{grid-column:auto}.contact-number{font-size:1.25rem}.footer-top{align-items:flex-start;gap:21px}.footer-top>.brand{width:100%}.footer-top>p{width:100%;margin:0}.footer-top>a:not(.brand){margin-right:20px}.footer-bottom{font-size:.75rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Product photography follows the existing catalogue and colour palette. */
.hero-visual{margin:0}
.hero-visual>.hero-photo{object-position:center 35%}
.hero-photo-caption{position:absolute;right:14px;bottom:10px;z-index:2;color:#e5eaf2;font-size:.75rem;line-height:1.4;text-shadow:0 1px 4px #071325}
.hero-visual .oxygen-label{bottom:35px}
.product-card.with-photo{padding:0;display:grid;grid-template-columns:.9fr 1.1fr;grid-column:span 2;overflow:hidden;min-height:300px}
.product-card.with-photo[hidden]{display:none}
.product-info{padding:28px;display:flex;flex-direction:column;min-width:0}
.product-photo{position:relative;min-width:0;overflow:hidden;background:#dce5e9}
.product-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.cylinder-detail img{object-position:30% center}
.product-card:hover .product-photo img{transform:scale(1.035)}
.photo-credits{border-top:1px solid #ffffff22;padding-block:18px;color:#aabbd3;font-size:.75rem;line-height:1.8}
.photo-credits summary{cursor:pointer;display:list-item;width:fit-content;min-height:28px;list-style-position:inside}
.photo-credits summary:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
.photo-credits p{margin:7px 0 0}
.photo-credits a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:1100px){.product-info{padding:24px 20px}}
@media(max-width:800px){.hero-visual>.hero-photo{object-position:center 32%}.product-info{padding:26px}.product-card.with-photo{min-height:280px}}
@media(max-width:480px){.product-card.with-photo{grid-column:span 1;grid-template-columns:1fr}.product-photo{aspect-ratio:1.85}.product-info{padding:24px;min-height:245px}.product-photo img{object-position:center 35%}.hero-photo-caption{right:12px;bottom:9px}.hero-visual .oxygen-label{bottom:35px}}
@media(prefers-reduced-motion:reduce){.product-card:hover .product-photo img{transform:none}}

/* An image for every gas, with a consistent catalogue layout. */
.product-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
.product-card{grid-column:span 2;min-width:0}
.product-card.gas-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.product-card.gas-card[hidden]{display:none}
.gas-card .product-info{flex:1;padding:25px}
.gas-photo{position:relative;aspect-ratio:3/2;background:#edf1f4;overflow:hidden;border-bottom:1px solid var(--line)}
.gas-photo img{width:100%;height:100%;object-fit:contain;transition:transform .35s ease}
.gas-photo-rack img{object-fit:cover;object-position:center 30%}
.gas-card:hover .gas-photo img{transform:scale(1.025)}
.photo-note{position:absolute;bottom:8px;left:10px;background:#fffffff0;color:#475569;font-size:.75rem;line-height:1.5;padding:2px 7px;border-radius:3px}
.product-card.chemical{grid-column:span 3}
.gas-card .product-top{margin-bottom:18px;min-height:38px}
.gas-card .product-symbol{font-size:1.65rem;letter-spacing:-.5px;white-space:nowrap}
.gas-card .product-kind{font-size:.75rem;max-width:125px}
.gas-card .product-info p{font-size:1rem}
@media(max-width:1100px){.gas-card .product-info{padding:22px 20px}.gas-card .product-top{gap:8px}.gas-card .product-symbol{font-size:1.45rem}}
@media(max-width:800px){.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-card{grid-column:span 1}.product-card.chemical{grid-column:span 2}.gas-card .product-info{padding:24px}.gas-card .product-top{align-items:center}.gas-card .product-kind{max-width:115px}}
@media(max-width:480px){.product-grid{grid-template-columns:minmax(0,1fr)}.product-card,.product-card.chemical{grid-column:span 1}.gas-card .product-info{min-height:245px}.gas-card .product-symbol{font-size:1.85rem}.gas-photo{aspect-ratio:1.65}.gas-card .product-kind{max-width:150px}}
@media(prefers-reduced-motion:reduce){.gas-card:hover .gas-photo img{transform:none}}

.refrigerant-photos{display:flex;align-items:center;justify-content:center}.refrigerant-photos img{width:50%;height:100%;object-fit:contain}

/* Show the complete facility cover without cropping or overlays. */
.hero-visual{height:auto;background:#fff;align-self:center}
.hero-visual>.hero-photo{width:100%;height:auto;object-fit:contain;object-position:center}
.hero-visual:after{display:none}
.hero-visual .image-tag,.hero-visual .oxygen-label{display:none}
.hero-photo-caption{position:static;padding:9px 14px;background:#0c1633;color:#fff;text-shadow:none}