:root{--red:#b83226;--ink:#202425;--muted:#777c7d;--paper:#f5f5f1;--line:#dedfdb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:'Manrope','Noto Sans Thai',sans-serif;font-size:15px;line-height:1.8}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img{display:block;max-width:100%}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #d58932;outline-offset:5px}.wrap{width:min(1280px,88%);margin:auto}.topbar{background:#202425;color:#dadbd8;font-size:10px;letter-spacing:1.8px}.topbar .wrap{display:flex;justify-content:space-between;padding:9px 0}.topbar a{letter-spacing:.4px}.header{position:sticky;top:0;background:#fff;z-index:20;border-bottom:1px solid #eee}.nav{min-height:94px;display:flex;justify-content:space-between;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:13px}.brand img{width:52px;height:66px;object-fit:contain}.brand>span{font-size:15px;letter-spacing:1.4px;font-weight:800}.brand small{display:block;font-size:10px;letter-spacing:.4px;color:#7d8080;font-weight:500}.nav nav{display:flex;gap:28px;align-items:center;font-size:13px;font-weight:600}.nav nav>a:not(.button):hover{color:var(--red)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;background:var(--red);color:white;padding:17px 23px;font-weight:600;font-size:14px;transition:background .2s,transform .2s}.button:hover{background:#95281e;transform:translateY(-2px)}.button span{font-size:20px}.button.small{padding:12px 18px;font-size:12px;gap:19px}.menu-toggle{display:none}.hero{height:680px;min-height:580px;position:relative;background:#15191a;color:white;overflow:hidden}.hero-image{position:absolute;width:74%;height:100%;right:0;object-fit:cover;object-position:center}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,#14191a 4%,rgba(20,25,26,.94) 23%,rgba(20,25,26,.56) 57%,rgba(20,25,26,.08)),linear-gradient(0deg,rgba(12,16,17,.7),transparent 40%)}.hero-content{position:relative;padding-top:83px}.eyebrow{font-size:10px;color:var(--red);font-weight:800;letter-spacing:2.3px;margin-bottom:23px;display:flex;align-items:center;gap:10px}.eyebrow.light{color:#e8ddd8}.eyebrow i{display:block;width:6px;height:6px;background:#df4935;border-radius:50%}h1,h2,h3,p{margin:0}h1{font-size:clamp(38px,4.2vw,62px);font-weight:600;line-height:1.38;letter-spacing:-1.8px}h1>span{display:block;color:#e45b43}.hero p{color:#bfc3c2;font-size:15px;line-height:1.95;margin:24px 0 29px}.hero-actions{display:flex;align-items:center;gap:32px}.text-link{font-size:13px;color:inherit;border-bottom:1px solid #777;padding:8px 0;display:inline-flex;gap:24px}.text-link:hover{color:#ec705c}.hero-bottom{position:absolute;bottom:26px;left:6%;display:flex;justify-content:space-between;font-size:9px;letter-spacing:2px;color:#a6adad}.hero-bottom a{letter-spacing:.2px;font-size:11px}.hero-bottom a span{padding-left:20px}.hero-side{position:absolute;right:24px;top:45%;writing-mode:vertical-rl;font-size:10px;letter-spacing:4px;color:#d0ceca}.capability-strip{border-bottom:1px solid var(--line);background:var(--paper)}.capability-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding:32px 0}.capability-strip .wrap>div{padding-left:40px;border-left:1px solid #d9dbd6}.capability-strip .wrap>div:first-child{border:0;padding:0}.capability-strip strong{font-size:26px;letter-spacing:-1px;display:block;line-height:1.5}.capability-strip strong small{font-size:14px}.capability-strip span{font-size:9px;letter-spacing:1px;color:#747a7b}.section{padding-top:100px;padding-bottom:100px}h2{font-size:clamp(28px,3vw,42px);line-height:1.45;letter-spacing:-1.2px;font-weight:600}.muted{color:#858b89}h2>.muted{display:block}.about{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.about-visual{height:380px;position:relative;background:#eee}.about-visual>img{width:100%;height:100%;object-fit:cover}.image-label{position:absolute;bottom:0;left:0;background:var(--red);color:#fff;padding:20px 24px;font-size:9px;letter-spacing:1px;display:flex;align-items:center;gap:20px}.image-label span{font-size:29px;font-weight:800}.about p{color:#727776;font-size:14px;margin-top:20px}.line-link{display:flex;justify-content:space-between;margin-top:28px;padding-bottom:10px;border-bottom:1px solid var(--line);font-size:12px;font-weight:700}.services{background:var(--paper)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}.section-heading>p{font-size:13px;color:#777e7b}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.service-card{background:white;transition:transform .25s}.service-card:hover{transform:translateY(-5px)}.service-photo{height:230px;overflow:hidden;position:relative;background:#d5d7d4}.service-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.service-card:hover img{transform:scale(1.045)}.service-photo>span{position:absolute;top:15px;left:18px;color:white;font-size:11px;background:#252a29a3;padding:2px 8px}.service-photo>b{position:absolute;bottom:0;right:0;background:var(--red);color:#fff;width:43px;height:43px;display:grid;place-items:center;font-size:22px}.service-copy{padding:24px}.service-copy small{font-size:9px;color:var(--red);letter-spacing:1.7px;font-weight:800}.service-copy h3{font-size:21px;font-weight:600;margin:7px 0}.service-copy p{font-size:13px;color:#7a807e}.materials{display:flex;gap:27px;align-items:center;justify-content:center;border-top:1px solid var(--line);margin-top:40px;padding-top:27px;flex-wrap:wrap;font-size:12px}.materials span{color:#7b807e}.materials b{font-weight:500}.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}.filters button{background:#fff;border:1px solid #dedfdb;padding:9px 22px;color:#656c68;font-size:12px}.filters button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px 24px}.work-card{text-align:left;background:none;border:0;padding:0;color:var(--ink)}.work-card>div{height:235px;position:relative;overflow:hidden;background:var(--paper)}.work-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.work-card:hover img{transform:scale(1.04)}.work-card>div>span{position:absolute;bottom:12px;right:12px;background:#fff;padding:3px 13px;font-size:21px}.work-card small{color:var(--red);font-size:10px;display:block;margin-top:16px}.work-card h3{font-size:17px;font-weight:600;margin-top:3px}.machines{background:#1e2425;color:white}.machine-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px}.machines p{color:#adb4b3;font-size:14px;margin:22px 0}.machines .text-link{margin-top:15px}.machine-list details{border-bottom:1px solid #444b4c;padding:20px 0}.machine-list summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:20px;font-size:19px}.machine-list summary::-webkit-details-marker{display:none}.machine-list summary span{font-size:11px;color:#919998}.machine-list summary b{margin-left:auto;font-size:22px;font-weight:400}.machine-list details[open] summary b{transform:rotate(45deg)}.machine-list details>div{padding:22px 0 2px 36px;color:#deded7;font-size:13px}.machine-list details p{margin:5px 0;font-size:12px}.machine-note{display:block;color:#959d9a;font-size:10px;margin-top:25px}.process h2 .muted{display:inline}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:35px;margin-top:42px}.steps article{border-top:1px solid #ccd0ca;padding-top:20px}.steps article>span{font-size:34px;color:#b5bbb6;font-weight:400}.steps h3{font-weight:600;font-size:19px;margin:15px 0 9px}.steps p{font-size:13px;color:#747b77}.contact{padding:80px 0;background:var(--red);color:white;position:relative;overflow:hidden}.contact:after{content:'CSW';font-size:340px;line-height:1;font-weight:800;position:absolute;bottom:-55px;left:-40px;opacity:.04;pointer-events:none}.contact-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:120px;position:relative;z-index:1}.contact h2{font-size:39px}.contact h2 span{display:block;color:#f2c9be}.contact p{font-size:14px;color:#f2d5ce;margin:22px 0}.white{background:white;color:var(--red);margin-top:8px}.white:hover{background:#eee8e5}.contact-details{border-left:1px solid #ffffff40;padding-left:50px}.contact-details>div+div{margin-top:22px}.contact-details>div>span{font-size:9px;letter-spacing:2px;color:#f4c7bb;display:block;margin-bottom:7px}.contact-details a{display:block;font-size:25px;line-height:1.6}.contact-details a.email{font-size:19px}.contact-details p{margin:0 0 10px;font-size:13px}.contact-details a.map-link{font-size:12px;text-decoration:underline;text-underline-offset:5px}footer{background:#f7f7f3}.footer-main{display:flex;align-items:center;justify-content:space-between;padding:35px 0;gap:30px}.footer-main>a:not(.brand){font-size:11px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:19px 0;font-size:9px;letter-spacing:1px;color:#848985}.skip{position:fixed;top:-100px;left:20px;z-index:100;background:#fff;padding:15px}.skip:focus{top:10px}dialog{border:0;padding:25px;max-width:850px;width:90%;max-height:90vh;overflow:auto}dialog::backdrop{background:#000c}dialog img{width:100%;max-height:65vh;object-fit:contain;background:#f1f1ed}dialog h3{margin-top:15px;font-size:19px}dialog p{font-size:13px;color:#6d726d}.dialog-close{position:sticky;top:0;float:right;width:40px;height:40px;border:0;background:var(--red);color:#fff;font-size:28px;z-index:1;margin-bottom:10px}
@media(min-width:1600px){.hero-bottom{left:calc((100% - 1280px)/2)}}
@media(max-width:1100px){.nav nav{gap:17px}.brand>span{font-size:12px}.nav .button.small{font-size:11px;padding:10px;gap:8px}.about{gap:40px}.machine-layout{gap:50px}.contact-layout{gap:50px}.service-photo{height:190px}}
@media(max-width:850px){.nav{min-height:80px}.menu-toggle{display:block;background:none;border:1px solid #ddd;padding:5px 12px;font-size:24px}.nav nav{display:none;position:absolute;top:100%;left:0;width:100%;background:#fff;padding:25px 6%;box-shadow:0 10px 15px #0001;align-items:stretch}.nav nav.open{display:flex;flex-direction:column}.brand>span{font-size:14px}.hero{height:650px}.hero-image{width:100%}.hero-shade{background:linear-gradient(90deg,#14191aee,#14191a70),linear-gradient(0deg,#14191a99,transparent)}.hero-content{padding-top:75px}.hero h1{font-size:48px}.capability-strip .wrap>div{padding-left:20px}.capability-strip strong{font-size:21px}.capability-strip span{font-size:8px}.section{padding-top:70px;padding-bottom:70px}.about{grid-template-columns:1fr;gap:35px}.about-visual{height:350px}.service-grid{grid-template-columns:repeat(2,1fr)}.work-grid{grid-template-columns:repeat(2,1fr)}.section-heading{align-items:start;flex-direction:column;gap:20px}.machine-layout{grid-template-columns:1fr;gap:30px}.steps{grid-template-columns:repeat(2,1fr)}.contact-layout{grid-template-columns:1fr;gap:40px}.contact-details{padding:30px 0 0;border-left:0;border-top:1px solid #ffffff40;display:grid;grid-template-columns:1fr 1fr;gap:20px}.contact-details>div+div{margin:0}.contact-details a.email{font-size:16px}.footer-main{flex-wrap:wrap}}
@media(max-width:520px){.topbar .wrap>span{font-size:8px;letter-spacing:1px}.topbar a{display:none}.brand img{width:42px;height:56px}.brand>span{font-size:12px}.hero{height:640px;min-height:0}.hero-content{padding-top:67px}.hero h1{font-size:36px;letter-spacing:-1px}.hero p{font-size:13px;margin:24px 0 28px}.hero .eyebrow{font-size:8px;letter-spacing:1.5px}.hero-actions{gap:20px;align-items:start;flex-direction:column}.hero-actions .button{font-size:13px}.hero-bottom>span{font-size:7px;letter-spacing:1px}.hero-side{display:none}.capability-strip .wrap{grid-template-columns:1fr 1fr;gap:22px;padding:25px 0}.capability-strip .wrap>div:nth-child(3){padding-left:0;border:0}.capability-strip strong{font-size:23px}.capability-strip span{font-size:8px}.section{padding-top:55px;padding-bottom:55px}h2{font-size:28px}.about-visual{height:260px}.image-label{padding:13px 18px;font-size:8px}.image-label span{font-size:23px}.service-grid{grid-template-columns:1fr;gap:22px}.service-photo{height:230px}.service-copy{padding:22px}.materials{gap:14px}.materials>span{width:100%;text-align:center}.work-grid{gap:25px 15px}.work-card>div{height:160px}.work-card h3{font-size:14px}.work-card small{font-size:9px}.filters{gap:7px}.filters button{padding:7px 12px;font-size:11px}.machine-list summary{font-size:17px}.steps{gap:25px 20px}.steps h3{font-size:17px}.steps p{font-size:12px}.process h2 .muted{display:block}.contact{padding:55px 0}.contact h2{font-size:31px}.contact-details{grid-template-columns:1fr}.contact-details>div+div{margin-top:12px}.contact-details a.email{font-size:20px}.footer-main{gap:20px}.footer-main .brand{width:100%}.footer-bottom{gap:15px;font-size:8px;flex-wrap:wrap}.eyebrow{margin-bottom:17px}dialog{padding:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* Language controls remain visible on desktop and mobile. */
.language-switch{display:flex;gap:2px;align-items:center;order:3;flex-shrink:0;border:1px solid var(--line);padding:3px}.language-switch button{background:transparent;border:0;color:#777;padding:6px 8px;font-size:11px;font-weight:700;line-height:1.5}.language-switch button[aria-pressed=true]{background:var(--ink);color:#fff}.nav{gap:18px}.nav nav{gap:20px}.nav>.brand{flex-shrink:0}html[lang=en] .hero h1{font-size:clamp(38px,4.2vw,60px)}html[lang=en] .capability-strip span{letter-spacing:.4px}html[lang=en] .service-copy h3{font-size:20px}html[lang=en] .contact h2{font-size:38px}
@media(max-width:1150px) and (min-width:851px){.nav{flex-wrap:wrap;padding:12px 0;gap:10px}.nav nav{order:4;width:100%;justify-content:space-between}.language-switch{margin-left:auto}}
@media(max-width:850px){.language-switch{order:0;margin-left:auto}.menu-toggle{order:1}.nav{gap:12px}.nav nav{gap:17px}}
@media(max-width:520px){.nav{gap:9px}.nav>.brand{gap:8px}.header .brand>span{font-size:10px;letter-spacing:.6px}.header .brand small{font-size:8px}.language-switch button{padding:6px;font-size:10px}.menu-toggle{padding:3px 9px}html[lang=en] .hero h1{font-size:37px}html[lang=en] .hero p{font-size:12px}html[lang=en] .contact h2{font-size:30px}}
@media(max-width:360px){.header .brand>span{display:none}}

.equipment-photo{width:100%;max-width:360px;max-height:240px;object-fit:contain;margin-top:18px;background:#fff}

.pipe-model + .pipe-model{margin-top:28px;padding-top:8px;border-top:1px solid #444b4c}.pipe-model h3{font-size:16px;font-weight:600;margin:14px 0 8px}.pipe-model .equipment-photo{max-width:100%;height:180px;object-fit:contain}.pipe-model p{line-height:2}
/* Motion is progressive: all content is visible without JavaScript. */
.motion-toggle{position:absolute;right:6%;top:24px;z-index:2;border:1px solid #ffffff50;color:#fff;background:#14191ab0;padding:7px 12px;font-size:10px;letter-spacing:.5px;display:flex;align-items:center;gap:9px}.motion-toggle:before{content:'';width:6px;height:6px;border-radius:50%;background:#888}.motion-toggle[aria-pressed=true]:before{background:#ef745b;box-shadow:0 0 9px #ef745b}.motion-enabled .hero-image{transform:translateY(var(--parallax,0px)) scale(1.12);transition:transform .18s linear}.motion-enabled .hero-content{animation:hero-enter .9s ease both}.motion-enabled .reveal{opacity:0;translate:0 25px;transition:opacity .7s ease,translate .7s ease,transform .25s ease,box-shadow .25s ease}.motion-enabled .reveal.revealed{opacity:1;translate:0 0}.motion-enabled .service-card:hover,.motion-enabled .work-card:hover{box-shadow:0 18px 40px #14201a18}.workshop{background:#eeefeb;overflow:hidden}.workshop-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.workshop-photo{margin:0;position:relative;overflow:hidden;background:#252a29;min-height:235px;isolation:isolate;transition:transform .25s ease}.workshop-photo:first-child{grid-column:span 2;grid-row:span 2}.workshop-photo:nth-child(6){grid-column:span 2}.workshop-photo img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;transition:transform .65s ease,filter .65s ease}.workshop-photo:hover img{transform:scale(1.06)}.workshop-photo:after{content:'';position:absolute;inset:40% 0 0;background:linear-gradient(transparent,#0a1415ba);z-index:0;pointer-events:none}.workshop-photo figcaption{position:absolute;bottom:19px;left:20px;right:15px;color:white;z-index:1;font-size:10px;letter-spacing:1.7px}.workshop-photo figcaption span{color:#ed967f;margin-right:12px}.workshop-photo:nth-child(3n+2) img{object-position:50% 40%}.work-card,.service-card{transform-origin:center;will-change:auto}.hero{isolation:isolate}@keyframes hero-enter{from{opacity:0;translate:0 18px}to{opacity:1;translate:0 0}}@media(max-width:850px){.workshop-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.workshop-photo:first-child{grid-row:span 1;min-height:350px}.workshop-photo{min-height:240px}.workshop-photo:nth-child(6){grid-column:span 1}.motion-enabled .hero-image{transform:translateY(var(--parallax,0px)) scale(1.13)}}@media(max-width:520px){.workshop-grid{gap:12px}.workshop-photo{min-height:185px}.workshop-photo:first-child{min-height:260px}.workshop-photo figcaption{font-size:8px;letter-spacing:.6px;left:12px;bottom:12px}.workshop-photo figcaption span{margin-right:5px}.motion-toggle{top:16px;font-size:9px;padding:5px 9px}}@media(prefers-reduced-motion:reduce){.motion-enabled .hero-content{animation:none}.motion-enabled .hero-image{transform:none}.reveal{opacity:1!important;translate:none!important}.service-card,.work-card,.workshop-photo{transform:none!important}.workshop-photo:hover img{transform:none}}
