:root{--red:#171717;--deep:#000000;--yellow:#ffffff;--ink:#171717;--muted:#666666;--line:#dedede;--paper:#ffffff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #666666;outline-offset:4px}.wrap{width:min(1200px,calc(100% - 80px));margin:auto}.preview{text-align:center;background:#eeeeee;color:#555555;font-size:9px;letter-spacing:1.1px;padding:7px 16px}.header{background:var(--red);color:#fff}.header-inner{min-height:102px;display:flex;justify-content:space-between;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:15px}.brand-mark{font-size:26px;font-weight:800;letter-spacing:-1.8px;font-style:italic;border:2px solid #fff;border-radius:6px;padding:7px 9px;color:var(--yellow)}.brand b{display:block;font-size:21px;font-weight:800;letter-spacing:.4px;line-height:1.1}.brand b>span,footer b>span{color:var(--yellow)}.brand small{display:block;letter-spacing:2px;font-size:8px;margin-top:9px}.languages{display:flex;gap:14px}.languages button{background:none;border:0;border-bottom:2px solid transparent;color:#aaaaaa;padding:7px 1px;font-size:11px;cursor:pointer}.languages button[aria-pressed=true]{color:var(--yellow);border-color:var(--yellow)}.nav-band{background:var(--deep);border-bottom:4px solid var(--yellow)}nav{display:flex;align-items:center;gap:8px}nav>a{padding:15px 24px;font-size:13px}nav>a:first-child{margin-left:-24px}nav>a[aria-current=page]{background:var(--yellow);color:#111111}nav>a:hover:not([aria-current]){background:#ffffff12}.nav-phone{margin-left:auto;font-weight:700;letter-spacing:.5px;padding-right:0!important}.hero{background:#151515;color:white;position:relative;overflow:hidden}.hero[hidden]{display:none}.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,#000000f5 0%,#000000dc 33%,#00000033 72%),url('assets/autogas-equipment.png') center right/cover no-repeat}.hero-inner{padding-top:66px;padding-bottom:39px;position:relative}.eyebrow{font-size:10px;letter-spacing:1.8px;line-height:1.5;text-transform:uppercase;margin:0 0 20px}.hero .eyebrow{color:#dddddd;max-width:560px}h1{font-size:clamp(42px,4.4vw,63px);line-height:1.1;letter-spacing:-2px;font-weight:650;max-width:660px;margin:0 0 24px;text-wrap:balance}.hero-text{max-width:440px;font-size:15px;line-height:1.8;color:#dddddd;margin-bottom:28px}.hero-actions{display:flex;align-items:center;gap:26px}.button{display:inline-flex;gap:28px;align-items:center;padding:13px 20px;font-size:12px;font-weight:600;line-height:1.5}.yellow{background:var(--yellow);color:#111111}.yellow:hover{background:#e0e0e0}.red-button{background:var(--red);color:white}.red-button:hover{background:var(--deep)}.hero-contact{font-size:12px;border-bottom:1px solid #bbbbbb}.image-note{font-size:8px;color:#aaaaaa;max-width:460px;margin:38px 0 0}.information{background:#f0f0f0;border-bottom:1px solid #dedede}.info-grid{display:grid;grid-template-columns:1.3fr 1fr .85fr;gap:30px;min-height:88px;align-items:center}.info-grid>div,.info-address{display:flex;align-items:center;gap:14px;font-size:11px}.info-icon{font-size:23px;color:var(--red)}.info-phone{font-size:20px;font-weight:700;text-align:right;white-space:nowrap}.main-content{padding-top:60px;padding-bottom:75px;min-height:520px}.content-layout{display:grid;grid-template-columns:245px 1fr;gap:58px}.sidebar{border-top:3px solid var(--red)}.sidebar .eyebrow{color:var(--muted);margin:22px 0 16px;font-size:9px}.sidebar-heading{display:flex;justify-content:space-between;padding-bottom:20px;font-size:20px;font-weight:600;line-height:1.2}.sidebar-heading span{color:var(--red)}.side-categories>a{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-top:1px solid var(--line);font-size:12px;line-height:1.4}.side-categories>a>span{color:var(--red)}.side-categories>a:hover{color:var(--red)}.sidebar-contact{margin-top:34px;background:#f3f3f3;padding:22px}.sidebar-contact small{display:block;color:var(--muted);font-size:10px}.sidebar-contact a{display:block;font-size:15px;font-weight:600;margin-top:12px}.sidebar-contact a:last-child{color:var(--red);font-size:11px}.red{color:var(--red)}h2{font-size:39px;line-height:1.2;letter-spacing:-1px;font-weight:600;margin:0 0 25px}h3{font-weight:600;line-height:1.35}.about-content>p{font-size:14px;color:#555555;max-width:760px}.about-content .about-lead{font-size:23px;line-height:1.55;color:var(--ink);letter-spacing:-.3px}.approach{margin:30px 0;background:#f2f2f2;border-left:3px solid var(--red);padding:22px 25px}.approach h3{font-size:18px;margin:0 0 10px}.approach p{font-size:13px;margin:0}.about-points{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:30px 0}.about-points>div{border-top:1px solid var(--line);padding-top:17px}.about-points span{color:var(--red);font-size:10px}.about-points h3{font-size:13px;margin:9px 0}.page-intro{color:var(--muted);max-width:760px;font-size:15px;margin-bottom:23px}.catalog-note{border-left:3px solid var(--red);padding:13px 17px;background:#f4f4f4;color:#555555;font-size:12px;max-width:900px}.catalog-controls{margin:30px 0 15px}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.filters button{padding:10px 15px;line-height:1.3;background:#fff;border:1px solid var(--line);color:#555555;font-size:11px;cursor:pointer}.filters button[aria-pressed=true]{background:var(--red);border-color:var(--red);color:white}.search input{width:min(100%,430px);padding:13px 15px;border:1px solid #cccccc;background:white;border-radius:0;color:var(--ink);font-size:12px}.result-count{font-size:11px;color:var(--muted);margin:20px 0}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{display:block;background:white;border:1px solid var(--line);border-top:3px solid var(--red);padding:22px 23px;transition:box-shadow .15s}.product-card:hover{box-shadow:0 8px 23px #00000013;border-color:#999999}.product-card-top{display:flex;justify-content:space-between;gap:20px;font-size:9px;color:var(--muted);line-height:1.4;min-height:26px}.product-card-top>span:last-child{font-size:20px;color:var(--red)}.product-card h3{font-size:32px;letter-spacing:-.8px;margin:23px 0}.product-card dl{font-size:11px;margin-bottom:22px}.product-card dl>div{display:flex;justify-content:space-between;gap:10px;margin-top:10px}.product-card dt{color:var(--muted)}.product-card dd{margin:0;text-align:right}.card-link{display:flex;justify-content:space-between;font-size:10px;padding-top:17px;border-top:1px solid var(--line);color:var(--red)}.empty{grid-column:1/-1;padding:30px;border:1px solid var(--line)}.back-link{display:inline-block;color:var(--red);font-size:11px;margin-bottom:30px}.product-detail>.eyebrow{margin-bottom:12px}.product-detail h2{font-size:50px}.specs{border-collapse:collapse;width:100%;font-size:14px;margin:30px 0}.specs th,.specs td{border-bottom:1px solid var(--line);padding:15px 18px;text-align:left}.specs th{font-weight:400;color:#555555;width:48%}.specs tr:nth-child(odd){background:#f4f4f4}.specs td{font-weight:600}.data-note{padding:15px 18px;background:#eeeeee;font-size:12px}.fine-print{font-size:11px;color:var(--muted);max-width:760px;margin-top:23px}.text-link{color:var(--red);text-decoration:underline;text-underline-offset:4px}.product-detail>.button{margin-top:20px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:35px 0}.contact-block{border-top:3px solid var(--red);background:#f4f4f4;padding:28px}.contact-number{font-size:10px;color:var(--red)}.contact-block h3{font-size:14px;margin:16px 0}.large-phone{display:block;font-size:29px;font-weight:600;letter-spacing:-.5px;margin-bottom:15px}.address-block{grid-column:1/-1;background:#eeeeee}.large-address{font-size:24px;max-width:600px;line-height:1.5}.contact-block .text-link{font-size:12px}.contact-block .fine-print{margin-bottom:0}footer{background:var(--deep);color:#fff}.footer-inner{padding-top:38px;padding-bottom:28px;display:grid;grid-template-columns:1fr auto;gap:30px}footer b{font-size:16px;letter-spacing:.4px}footer p{font-size:10px;color:#bbbbbb;margin-bottom:0}.footer-links{display:flex;gap:24px;font-size:11px;align-items:center}.footer-inner>small{grid-column:1/-1;border-top:1px solid #444444;padding-top:22px;font-size:9px;color:#bbbbbb}.skip{position:absolute;top:-100px;left:20px;z-index:10;background:white;padding:10px}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1000px){.wrap{width:calc(100% - 48px)}.content-layout{grid-template-columns:210px 1fr;gap:30px}.info-grid{gap:20px;grid-template-columns:1.3fr 1fr}.info-grid>div{display:none}.product-grid{gap:14px}.product-card{padding:20px 17px}.hero-bg{background-position:60% center}.hero-text{max-width:420px}.brand b{font-size:19px}.large-phone{font-size:25px}}
@media(max-width:700px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:94px;gap:15px}.brand{gap:10px}.brand-mark{font-size:21px;padding:7px}.brand b{font-size:13px;max-width:175px}.brand small{font-size:6px;letter-spacing:.7px;max-width:175px}.languages{gap:9px}.languages button{font-size:10px}.preview{font-size:7px;letter-spacing:.4px}nav{gap:0;justify-content:space-between}nav>a{font-size:11px;padding:13px 12px}nav>a:first-child{margin-left:-12px}.nav-phone{display:none}.hero-inner{padding-top:39px;padding-bottom:23px}.hero-bg{background:linear-gradient(90deg,#000000ed,#000000ba),url('assets/autogas-equipment.png') 60% center/cover no-repeat}h1{font-size:39px;letter-spacing:-1.2px}.hero .eyebrow{font-size:8px;letter-spacing:1px}.hero-text{font-size:13px;max-width:440px}.hero-actions{gap:18px}.button{font-size:11px;gap:20px;padding:13px 17px}.hero-contact{font-size:10px}.image-note{font-size:7px;margin-top:24px}.info-grid{min-height:98px;grid-template-columns:1fr;gap:9px;padding-block:15px}.info-address{font-size:10px}.info-phone{font-size:17px;text-align:left;margin-left:28px}.main-content{padding-top:37px;padding-bottom:45px;min-height:460px}.content-layout{display:flex;flex-direction:column;gap:35px}.sidebar{order:2}.sidebar-contact{display:none}.sidebar-heading{font-size:18px}.side-categories{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.side-categories>a{font-size:11px}.sidebar .eyebrow{font-size:8px}.about-content .about-lead{font-size:20px}.about-content>p{font-size:13px}h2{font-size:31px}.eyebrow{font-size:8px;letter-spacing:1.5px;margin-bottom:15px}.about-points{grid-template-columns:1fr;gap:13px}.about-points>div{display:flex;gap:15px;align-items:center;padding-top:12px}.about-points h3{font-size:12px}.approach{padding:20px}.page-intro{font-size:13px}.catalog-note{font-size:10px}.filters{gap:6px}.filters button{font-size:10px;padding:9px 11px}.product-grid{grid-template-columns:1fr 1fr;gap:12px}.product-card{padding:17px 13px}.product-card-top{font-size:8px;gap:10px}.product-card h3{font-size:25px;margin:18px 0}.product-card dl{font-size:9px}.product-card dl>div{display:block}.product-card dd{text-align:left;margin-top:3px;font-size:11px}.card-link{font-size:9px}.product-detail h2{font-size:39px}.specs{font-size:12px}.specs th,.specs td{padding:13px 11px}.contact-grid{grid-template-columns:1fr}.address-block{grid-column:auto}.contact-block{padding:23px}.large-phone{font-size:26px}.large-address{font-size:21px}.footer-inner{grid-template-columns:1fr;gap:24px}.footer-links{gap:25px}.footer-inner>small{grid-column:auto}footer b{font-size:14px}.hero-contact:hover{color:var(--yellow)}}
@media(max-width:360px){.brand b{font-size:11px;max-width:145px}.brand small{max-width:145px}.languages{gap:7px}.product-grid{grid-template-columns:1fr}h1{font-size:34px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.main-content h1{font-size:39px;line-height:1.2;letter-spacing:-1px;font-weight:600;max-width:none;margin:0 0 25px}.product-detail h1{font-size:50px}@media(max-width:700px){.main-content h1{font-size:31px}.product-detail h1{font-size:39px}}

/* TAN TECHNOLOGY identity supplied by the company. */
.header{background:#000}.header-inner{min-height:145px}.brand{display:block}.company-logo{display:block;width:280px;height:145px;object-fit:contain}.nav-band{border-bottom:1px solid #333;background:#181818}nav>a[aria-current=page]{background:#fff;color:#111}.hero-bg{filter:grayscale(1)}.hero .yellow{background:#fff;color:#111}.hero .yellow:hover{background:#ddd}.information{background:#f3f3f3}.info-icon{color:#111}footer{background:#000}.footer-logo{width:210px;height:110px;object-fit:contain;display:block;margin:-15px 0 0 -18px}.footer-inner{align-items:center}.certificate-summary{display:grid;grid-template-columns:1fr auto;gap:40px;border:1px solid #ddd;border-top:3px solid #111;background:#fafafa;padding:32px;margin:32px 0}.certificate-summary h2{font-size:27px;margin-bottom:14px}.certificate-summary p{font-size:13px;max-width:760px}.certificate-number{font-weight:700;overflow-wrap:anywhere}.certificate-validity{border-top:1px solid #ddd;padding-top:18px}.certificate-actions{display:flex;flex-direction:column;gap:23px;align-items:flex-start;padding-top:10px;white-space:nowrap}.certificate-actions .text-link{font-size:12px}.certificate-previews{display:grid;grid-template-columns:1fr 1fr;gap:28px}.certificate-previews article{border:1px solid #ddd;padding:18px;background:#fafafa}.certificate-image-link{display:block;background:white;border:1px solid #e5e5e5}.certificate-previews img{display:block;width:100%;height:auto;aspect-ratio:714/1011;object-fit:contain}.certificate-previews h3{font-size:15px}.certificate-previews .text-link{font-size:11px}.certificate-scope{border-left:2px solid #222;padding:15px 18px;background:#f3f3f3}
@media(max-width:700px){.header-inner{min-height:115px}.company-logo{width:215px;height:115px}.nav-band nav{flex-wrap:wrap;justify-content:flex-start;gap:0}nav>a,nav>a:first-child{margin:0;padding:13px 11px;font-size:10px}.certificate-summary{grid-template-columns:1fr;padding:23px;gap:15px}.certificate-summary h2{font-size:23px}.certificate-actions{gap:18px}.certificate-previews{grid-template-columns:1fr}.footer-logo{width:190px;height:105px}.footer-links{flex-wrap:wrap;gap:15px 22px}}
@media(max-width:360px){.company-logo{width:185px}.languages{gap:8px}nav>a,nav>a:first-child{padding:12px 8px;font-size:9px}}

.single-category{display:none}.product-variant{font-size:12px;color:#666;margin:-12px 0 20px}.configuration{display:inline-block;font-size:9px;background:#eee;padding:4px 8px;margin-bottom:16px}.product-full-name{font-size:15px;color:#555}.about-documents{border-top:1px solid #ddd;padding-top:24px;margin:32px 0}.about-documents h3{font-size:21px}.about-documents p{font-size:14px;color:#555}.about-documents .text-link{font-size:12px}@media(max-width:700px){.product-variant{font-size:10px}.about-documents p{font-size:13px}}

.about-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.about-actions .text-link{font-size:12px}

/* A continuous workshop photograph behind the copy, with responsive framing. */
.hero{background:#111;min-height:clamp(560px,45vw,760px);display:grid;align-items:center}
.hero-bg{background:linear-gradient(90deg,#000e 0%,#000b 28%,#0005 56%,#0001 100%),url('assets/lpg-workshop-hero.png') center center / cover no-repeat;filter:grayscale(1)}
.hero-inner{padding-top:64px;padding-bottom:42px}
.hero h1{max-width:660px;text-shadow:0 2px 18px #0008}
.hero-text{max-width:440px;text-shadow:0 1px 10px #000}
@media(min-width:701px) and (max-width:1000px){.hero-bg{background-position:center center}.hero h1{font-size:48px;max-width:570px}}
@media(max-width:700px){.hero{min-height:0}.hero-bg{background:linear-gradient(180deg,#0001 0%,#0003 22%,#000b 43%,#111e 72%,#111 100%),url('assets/lpg-workshop-hero-mobile.png') center top / 100% auto no-repeat}.hero-inner{padding-top:clamp(170px,48vw,270px);padding-bottom:28px}.hero h1,.hero-text{max-width:100%}.hero h1{font-size:36px}.image-note{margin-top:22px}}

.product-photo-card{height:190px;width:100%;margin:16px 0 10px;display:flex;align-items:center;justify-content:center;background:#fff}.product-photo-card img{display:block;width:100%;height:100%;object-fit:contain}.photo-type-label{display:block;font-size:8px;color:#777;line-height:1.3;margin:0 0 8px}.product-card h3{margin-top:16px}.product-photo-detail{margin:25px 0 28px;border:1px solid #e3e3e3;background:white;padding:22px}.product-photo-detail>a{display:flex;height:340px;align-items:center;justify-content:center}.product-photo-detail img{width:100%;height:100%;object-fit:contain}.product-photo-detail figcaption{font-size:10px;color:#666;line-height:1.6;margin-top:18px;border-top:1px solid #eee;padding-top:14px}.product-photo-detail figcaption a{text-decoration:underline;text-underline-offset:3px}@media(max-width:700px){.product-photo-card{height:130px;margin:12px 0 10px}.product-photo-detail{padding:15px}.product-photo-detail>a{height:240px}.product-photo-detail figcaption{font-size:9px}}