:root{--ink:#112d28;--green:#073f35;--lime:#caed8d;--blue:#064ba2;--paper:#f8f8f2;--muted:#63706a}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:Arial,'Helvetica Neue',sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:5px}button{cursor:pointer}img{max-width:100%;display:block}button{color:inherit} .topline{background:var(--green);color:#eff6e7;display:flex;justify-content:space-between;padding:8px 5%;font-size:11px;letter-spacing:1.6px}header{height:98px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:var(--paper);position:sticky;top:0;z-index:20;border-bottom:1px solid #dce2d9}.brand{display:flex;align-items:center;gap:12px;line-height:1}.brand img{height:51px;width:53px;object-fit:contain}.brand>span{font-size:25px;font-weight:900;color:var(--blue);letter-spacing:-.8px}.brand small{display:block;font-size:11px;letter-spacing:6px;margin-top:8px;color:#29843a}nav{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:600}.navcta{padding:13px 20px;border:1px solid #b9c5b6;border-radius:4px}#menu{display:none}.hero{display:grid;grid-template-columns:47% 53%;min-height:620px}.herocopy{background:var(--green);color:white;padding:72px 10.6% 28px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;display:flex;align-items:center;gap:9px}.eyebrow i{height:7px;width:7px;border-radius:100%;background:var(--lime)}h1{font-size:clamp(45px,4.6vw,76px);line-height:1.14;font-weight:500;letter-spacing:-3px;margin:28px 0}h1 em,h2 em{font-style:normal;color:var(--lime)}.herocopy>p{font-size:17px;max-width:440px;color:#d2dfd7;line-height:1.8}.actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-top:35px}.button{border:none;display:inline-flex;align-items:center;justify-content:space-between;gap:26px;padding:17px 23px;border-radius:3px;font-weight:700;font-size:14px}.lime{background:var(--lime);color:var(--green)}.textlink{font-size:14px;font-weight:600;border-bottom:1px solid currentColor;padding-bottom:4px}.herobottom{margin-top:65px;padding-top:18px;border-top:1px solid #ffffff30;display:flex;justify-content:space-between;gap:20px;font-size:9px;letter-spacing:1px;color:#bccfc3}.heroimage{position:relative;overflow:hidden}.heroimage>img{width:100%;height:100%;object-fit:cover;object-position:39% center}.imagecaption{position:absolute;bottom:24px;right:24px;left:24px;background:#f8f8f2ee;padding:18px 20px;display:flex;justify-content:space-between;gap:20px;font-size:11px}.imagecaption span:first-child{font-weight:700;letter-spacing:1px}.ribbon{display:flex;justify-content:space-evenly;gap:25px;align-items:center;padding:21px 4%;background:var(--lime);font-size:13px;font-weight:600}.ribbon b{font-size:22px}.section{padding:95px 6%;max-width:1600px;margin:auto}.sectionhead{display:flex;align-items:flex-end;justify-content:space-between;gap:55px;margin-bottom:35px}h2{font-size:clamp(32px,3vw,48px);line-height:1.22;letter-spacing:-1.5px;font-weight:500;margin:18px 0}.sectionhead>p{max-width:370px;color:var(--muted);font-size:15px}.filters{display:flex;gap:10px;flex-wrap:wrap;margin:35px 0}.filters button{background:none;border:1px solid #cbd4c7;border-radius:30px;padding:9px 18px;font-size:13px}.filters button.active{background:var(--green);color:white;border-color:var(--green)}.productgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.product{background:white;border:1px solid #e3e7dd;border-radius:4px;overflow:hidden}.productpic{height:250px;position:relative;overflow:hidden;background:#eae9df}.productpic img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.product:hover .productpic img{transform:scale(1.045)}.productpic.white img{object-fit:contain;padding:20px;background:#fff}.productpic>span{position:absolute;left:12px;top:12px;border-radius:50%;height:30px;width:30px;background:var(--paper);display:grid;place-items:center;font-size:11px}.productbody{padding:22px}.productbody small{font-size:9px;letter-spacing:1.2px;color:#55755d}.product h3{font-size:20px;margin:9px 0;font-weight:600}.product p{font-size:13px;color:var(--muted);min-height:65px}.productlink{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;border:0;border-top:1px solid #e2e8de;padding:17px 0 0;background:none;text-align:left;font-size:12px;font-weight:600}.note{font-size:12px;color:var(--muted);margin-top:25px}.applications{background:#eaf0e3;max-width:none;display:grid;grid-template-columns:1fr 1.1fr;gap:10%;position:relative;overflow:hidden}.applicationintro>p{max-width:440px;color:#5a6b60;font-size:15px}.applicationintro .textlink{display:inline-block;margin-top:22px}.hexdecor{font-size:170px;color:#c6d3ba;line-height:1;margin-top:25px}.applicationlist{padding-top:30px}details{border-top:1px solid #bdcbb7;padding:25px 0}details:last-child{border-bottom:1px solid #bdcbb7}summary{cursor:pointer;display:flex;gap:20px;align-items:center;font-size:21px;list-style:none}summary::-webkit-details-marker{display:none}summary>span{font-size:11px;color:#75836e}summary b{margin-left:auto;font-weight:400}details[open] summary b{transform:rotate(45deg)}details p{margin:20px 40px 0;font-size:14px;color:#576b60;max-width:440px}.about{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center}.aboutphoto{position:relative;height:460px}.aboutphoto img{width:100%;height:100%;object-fit:cover;object-position:20% center;border-radius:3px}.aboutphoto>span{position:absolute;bottom:20px;left:20px;font-size:10px;letter-spacing:1px;background:var(--paper);padding:10px}.aboutcopy p{font-size:15px;color:var(--muted)}.aboutpoints{display:grid;gap:12px;border-top:1px solid #d3ddcd;padding-top:20px;margin-top:25px;font-size:13px}.process{padding-top:20px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:40px}.steps article{border-top:1px solid #cad5c5;padding-top:20px}.steps article>span{font-size:13px;color:#557a44}.steps h3{font-weight:500;font-size:20px;margin:20px 0 12px}.steps p{font-size:14px;color:var(--muted)}.quote{background:var(--green);max-width:none;color:white;display:grid;grid-template-columns:1fr 1fr;gap:8%}.quoteintro p{max-width:430px;font-size:15px;color:#c3d5c8}.quoteintro h2{font-size:clamp(32px,3vw,48px);line-height:1.35}.phone{display:block;font-size:30px;margin:35px 0 15px;letter-spacing:-1px}.contactlinks{display:flex;gap:25px;font-size:14px}.contactlinks a{border-bottom:1px solid #b7cdb5}.quote form{background:#f6f7ee;color:var(--ink);padding:35px;border-radius:5px}form h3{font-size:25px;font-weight:500;margin:0 0 8px}.formhelp,.privacy{font-size:12px;color:#647164}.formrow{display:grid;grid-template-columns:1fr 1fr;gap:15px}label{display:block;font-size:12px;font-weight:600;margin:17px 0}input,select,textarea{border:1px solid #cdd8c8;background:#fff;border-radius:3px;padding:12px;width:100%;font-size:13px;color:var(--ink);display:block;margin-top:7px}textarea{resize:vertical}.quote form>.button{width:100%;margin-top:6px;background:var(--green);color:white}.privacy{font-size:10px;margin-bottom:0}#result{border-top:1px solid #c3d2bc;margin-top:25px;padding-top:8px}#result a{font-size:13px;text-decoration:underline}.copybutton{padding:10px 15px;border:1px solid var(--green);background:#e7efdf;border-radius:3px;font-size:12px}#copystatus{font-size:12px}footer{padding:35px 6%;display:flex;align-items:center;justify-content:space-between;gap:30px}footer>.brand img{height:38px;width:38px}footer .brand>span{font-size:19px}footer .brand small{font-size:8px;letter-spacing:4px}footer>p{font-family:Georgia,serif;font-style:italic;font-size:18px}footer>a:not(.brand),footer>span{font-size:11px;color:#5d6f61}[hidden]{display:none!important}a:hover,button:hover{filter:brightness(.94)}@media(min-width:1600px){.hero{min-height:740px}}@media(max-width:1050px){nav{gap:18px}.productgrid{grid-template-columns:repeat(2,1fr)}.herocopy{padding-top:50px}.herobottom{flex-direction:column;margin-top:40px}.imagecaption{flex-direction:column;gap:5px}.hero{min-height:580px}.ribbon{gap:12px;font-size:11px}.section{padding:70px 5%}footer{flex-wrap:wrap}.steps{gap:20px}}@media(max-width:700px){header{height:78px}.topline{font-size:9px;letter-spacing:.6px}.brand>span{font-size:22px}.brand img{height:43px;width:43px}#menu{display:block;background:none;border:1px solid #ccd6c6;padding:5px 12px;font-size:22px;border-radius:3px}nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--paper);padding:25px;box-shadow:0 10px 20px #153c2415;flex-direction:column;align-items:stretch}nav.open{display:flex}.hero{grid-template-columns:1fr}.herocopy{padding:45px 6% 25px}h1{font-size:51px;letter-spacing:-2px}.herocopy>p{font-size:16px}.herobottom{flex-direction:row;font-size:8px;gap:12px;margin-top:35px}.heroimage{height:340px}.heroimage>img{object-position:center center}.imagecaption{flex-direction:row;font-size:9px;left:15px;right:15px;bottom:15px}.ribbon{flex-wrap:wrap;justify-content:center;padding:18px 6%;gap:8px 18px}.ribbon b{font-size:14px}.ribbon b:last-of-type{display:none}.section{padding:58px 6%}.sectionhead{display:block;margin-bottom:25px}.sectionhead>p{max-width:none}.eyebrow{font-size:10px;letter-spacing:1.3px}h2{font-size:35px;letter-spacing:-1px}.filters{gap:7px;margin:25px 0}.filters button{padding:8px 12px;font-size:11px}.productgrid{gap:12px}.productpic{height:185px}.productbody{padding:15px}.product h3{font-size:17px}.product p{font-size:12px;min-height:100px}.productlink{font-size:11px}.productbody small{font-size:8px}.applications,.about,.quote{grid-template-columns:1fr;gap:35px}.hexdecor{display:none}.applicationlist{padding-top:0}summary{font-size:18px}.aboutphoto{height:300px}.steps{grid-template-columns:repeat(2,1fr);gap:25px}.steps h3{font-size:18px}.quote form{padding:24px}.formrow{grid-template-columns:1fr;gap:0}.formrow label{margin-bottom:0}.phone{margin-top:25px}.quoteintro h2{font-size:35px}footer{padding:30px 6%;gap:15px}footer>p{width:50%;font-size:16px}footer>span{width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.illustration{position:absolute;right:10px;bottom:10px;background:#f8f8f2e8;padding:3px 7px;font-size:9px;color:#63706a;border-radius:2px}

/* Quick contact: fixed while browsing, with safe-area clearance. */
.floating-contact{position:fixed;left:24px;bottom:calc(28px + env(safe-area-inset-bottom, 0px));z-index:50;display:flex;flex-direction:column;gap:22px;isolation:isolate}
.contact-fab{position:relative;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;box-shadow:0 5px 16px #0b302332;overflow:visible;transition:transform .2s}
.contact-fab::before{content:"";position:absolute;inset:-7px;border-radius:50%;background:inherit;opacity:.18;z-index:-1;animation:contact-pulse 2.6s ease-out infinite;pointer-events:none}
.zalo-fab{background:#0879e8}.phone-fab{background:#e8363d}.phone-fab::before{animation-delay:1.3s}
.fab-icon{display:grid;place-items:center;width:42px;height:42px}.fab-icon svg{width:40px;height:40px}.phone-fab .fab-icon svg{width:27px;height:27px}
.fab-label{position:absolute;left:calc(100% + 15px);background:#fff;color:#12382e;padding:7px 12px;white-space:nowrap;border-radius:5px;font-size:12px;font-weight:700;box-shadow:0 3px 14px #0b302320;opacity:0;visibility:hidden;transform:translateX(-5px);transition:opacity .15s,transform .15s,visibility .15s;pointer-events:none}
.contact-fab:hover,.contact-fab:focus-visible{transform:translateY(-2px);filter:none}.contact-fab:hover .fab-label,.contact-fab:focus-visible .fab-label{visibility:visible;opacity:1;transform:translateX(0)}.contact-fab:focus-visible{outline:3px solid #103f32;outline-offset:9px}
@keyframes contact-pulse{0%{transform:scale(.94);opacity:.18}80%,100%{transform:scale(1.2);opacity:0}}
@media(max-width:700px){.floating-contact{left:15px;bottom:calc(22px + env(safe-area-inset-bottom, 0px));gap:19px}.contact-fab{width:50px;height:50px}.fab-icon svg{width:36px;height:36px}.phone-fab .fab-icon svg{width:25px;height:25px}}
@media(prefers-reduced-motion:reduce){.contact-fab::before{animation:none}.contact-fab,.fab-label{transition:none}.contact-fab:hover,.contact-fab:focus-visible{transform:none}}
