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img,svg{max-width:100%;display:block}
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button,input,select,textarea{font:inherit}
button,a,input,select,textarea{outline-offset:4px}
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.container{width:min(calc(100% - 72px),var(--max));margin-inline:auto}
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.brand-mark{width:41px;height:41px;border:1.6px solid var(--ink);display:flex;position:relative}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--ink)}
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.team-experience{display:grid;grid-template-columns:.8fr 1.2fr;gap:6vw;align-items:center;border-top:1px solid #bacdc3;margin-top:55px;padding-top:50px}.team-experience h3{font-family:var(--site-font);font-weight:400;font-size:clamp(27px,3vw,44px);line-height:1.2;letter-spacing:-.035em;margin:0 0 24px}.team-experience p:not(.eyebrow){color:#597078;font-size:14px;line-height:1.8;max-width:390px}.team-experience figure{margin:0;background:#fff;padding:12px;border:1px solid #c6d3cb;box-shadow:13px 13px 0 rgba(20,42,49,.05)}.team-experience figure img{width:100%;height:auto}.team-experience figcaption{font-size:10px;color:#6a8284;letter-spacing:.04em;margin-top:10px}
@media(max-width:760px){.team-experience{grid-template-columns:1fr;gap:20px}}
.section-footnote{margin:24px 0 0;color:#60777a;font-size:12px;line-height:1.7}
.materials-section{background:#eef1eb}
.material-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.material-card{display:flex;flex-direction:column;min-height:280px;padding:28px;background:#fff;border:1px solid #d0dcd4;border-top:3px solid #2a5961}
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.material-card p{font-size:13px;line-height:1.75;color:#597078;margin-bottom:24px}
.material-card small{display:block;margin-top:auto;padding-top:14px;border-top:1px solid #d8e2db;font-size:11px;line-height:1.6;color:#597078}
.supply-model{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:#142a31;color:#fff;margin-top:22px;padding:33px 37px}
.supply-model strong{font-size:16px}.supply-model p{font-size:13px;line-height:1.8;color:#b8cdc6;margin:10px 0 0}
.material-cta{margin-top:28px}
.direct-contact{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 0}.direct-contact[hidden],.direct-contact a[hidden]{display:none}
.direct-contact a{border:1px solid #78958e;color:#fff;padding:10px 13px;font-size:12px;overflow-wrap:anywhere}.direct-contact a:hover{background:#29474b}
@media(max-width:1000px){.material-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.supply-model{grid-template-columns:1fr;gap:18px}}
@media(max-width:520px){.material-grid{grid-template-columns:1fr}.material-card{min-height:240px}.supply-model{padding:26px}}

/* Engineering visual direction: restrained type, real work, clear hierarchy. */
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.site-header{background:rgba(245,246,244,.97);border-bottom:1px solid #cbd3d2;backdrop-filter:blur(8px)}
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.eyebrow{color:#516873;letter-spacing:.14em}.eyebrow-line{background:var(--accent)}
h1,h2{font-family:var(--site-font);font-weight:650;letter-spacing:-.036em;line-height:1.1}
h1{font-size:clamp(43px,4.7vw,70px);max-width:700px}
h1 em,h2 em{font-style:normal;font-weight:inherit;color:inherit}
.section-heading h2,.systems-copy h2,.markets-heading h2,.contact-section h2{font-size:clamp(38px,3.8vw,60px)}
.hero{background:var(--paper)}
.hero-inner{min-height:660px;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:5vw;padding-top:62px;padding-bottom:62px}
.hero-lead{font-size:16px;line-height:1.8;color:var(--ink-soft);max-width:590px}
.hero-visual{display:block;margin:0;height:565px;min-width:0;overflow:hidden;border:0;box-shadow:none;background:#d8e0df}
.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:55% center;filter:saturate(.78) contrast(1.04)}
.hero-visual:after{content:"";position:absolute;inset:48% 0 0;background:linear-gradient(180deg,transparent,rgba(15,31,39,.78));pointer-events:none}
.hero-photo-caption{position:absolute;z-index:1;left:30px;right:30px;bottom:28px;color:#fff}
.hero-photo-caption span{display:block;font-size:10px;font-weight:800;letter-spacing:.14em;color:#e1e9e8}
.hero-photo-caption strong{display:block;font-size:23px;font-weight:650;line-height:1.25;margin-top:8px}
.hero-photo-caption small{display:block;font-size:11px;line-height:1.55;color:#dde8e6;margin-top:7px}
.hero-proof{margin-top:55px;padding-top:18px;border-top:1px solid #cbd4d3}
.hero-proof span{font-size:9px;letter-spacing:.1em;color:#49616c;border-color:#c0cecf}
.button{border-radius:2px;transition:background .18s,color .18s}
.button:hover{transform:none}
.button-dark,.nav-cta{background:var(--ink)}
.button-dark:hover,.nav-cta:hover{background:#324b59}
.text-link{border-color:var(--accent)}.text-link span{color:var(--accent)}
.intro-band{background:#1d2d36}.intro-band p:last-child{color:#b5c6cb}
.section{padding:100px 0}
.split-heading>p,.work-heading>p,.markets-heading>p:not(.eyebrow){color:#536871}
.services-grid{border-color:#cbd4d3}
.service-card{background:#fff;border-color:#cbd4d3;transition:none;min-height:305px}
.service-card:hover{background:#fff}
.service-icon{display:none}
.service-card h3{font-size:19px;font-weight:650;margin-top:30px}
.service-card p,.material-card p,.step p,.market-row p{color:#526771}
.service-rule{display:none}
.card-index,.material-card>span{color:#526b79;letter-spacing:.1em}
.systems-section,.supply-model,.contact-section{background:#253a45}
.systems-section:after{display:none}
.systems-copy h2 em,.contact-section h2 em{color:#fff}
.systems-panel{border-color:#6c818a}
.system-row{font-family:var(--site-font);font-size:20px;font-weight:550;border-color:#617781}
.system-arrow,.market-row>span:last-child{display:none}
.work-section{background:#e9eeec}
.work-grid{grid-template-columns:1fr 1fr;gap:22px}
.work-card{display:flex;flex-direction:column;min-height:0;background:#fff;border:1px solid #cbd4d3}
.work-card img{position:static;inset:auto;width:100%;height:315px;object-fit:cover;filter:saturate(.85);transition:none}
.work-card:hover img{transform:none}
.work-card:after{display:none}
.work-caption{position:static;padding:22px 24px 25px;color:var(--ink)}
.work-caption span{color:#506a78}
.work-caption h3{font-family:var(--site-font);font-size:20px;font-weight:650;margin:8px 0}
.work-caption p{color:#586c74}
.team-experience h3{font-family:var(--site-font);font-weight:650;letter-spacing:-.025em}
.team-experience figure{box-shadow:none;border-color:#cbd4d3}
.step-no{font-family:var(--site-font);font-size:28px;font-weight:700;color:var(--accent)}
.materials-section,.markets-section{background:#edf1ef}
.material-card{border:1px solid #cbd4d3;min-height:270px}
.material-card h3{font-family:var(--site-font);font-size:21px;font-weight:650;letter-spacing:-.02em}
.material-card small{border-color:#d7dfde}
.market-list,.market-row{border-color:#bfcecd}
.contact-section h2+p{color:#cfdbdd}
.button-accent{background:#385b6d}.button-accent:hover{background:#294758}
.enquiry-form input,.enquiry-form select,.enquiry-form textarea{background:#fbfcfb;border-color:#c7d2d1}
.site-footer{background:#17262e}
@media(max-width:1100px){.hero-visual{height:510px}}
@media(max-width:760px){.hero-inner{grid-template-columns:1fr;min-height:0;padding-top:62px;padding-bottom:55px}.hero-visual{height:min(76vw,500px)}.section{padding:76px 0}.work-grid{grid-template-columns:1fr}}
@media(max-width:520px){h1{font-size:42px}.section-heading h2,.systems-copy h2,.markets-heading h2,.contact-section h2{font-size:38px}.hero-visual{height:365px}.hero-photo-caption{left:18px;right:18px;bottom:19px}.hero-photo-caption strong{font-size:19px}.hero-proof{margin-top:42px}.work-card img{height:245px}.material-card{min-height:235px}}

/* English is the primary title; Chinese is a quiet secondary label. */
.brand-text .brand-cn{font-size:9px;font-weight:500;letter-spacing:.05em;line-height:1.25;color:#5b737d;margin-top:5px}
.hero h1{margin-bottom:0}
.cn-subtitle{display:block;font-size:15px;font-weight:500;line-height:1.6;letter-spacing:.035em;color:#5b717b}
.hero-cn{font-size:16px;margin:16px 0 25px}
.section-heading .cn-subtitle{margin:16px 0 0}
.systems-copy>.cn-subtitle{font-size:14px;line-height:1.6;color:#c8d7dc;margin:-15px 0 25px}
.markets-heading h2,.contact-section h2{margin-bottom:0}
.markets-heading>.cn-subtitle{font-size:14px;margin:16px 0 22px;color:#5b717b}
.contact-section>.container .cn-subtitle{font-size:14px;line-height:1.6;color:#c8d7dc;margin:16px 0 24px}
.contact-section .cn-subtitle+p{max-width:440px;color:#cfdbdd;line-height:1.8}
.cn-label{display:block;font-size:12px;font-weight:500;line-height:1.55;letter-spacing:.035em;color:#637984;margin:5px 0 14px}
.service-card h3,.material-card h3,.step h3,.market-row h3,.work-caption h3{margin-bottom:4px}
.service-card .cn-label,.material-card .cn-label{margin-bottom:16px}
.system-name{display:block;padding:12px 0}
.system-name small{display:block;font-size:12px;font-weight:500;line-height:1.5;color:#bad0d6;margin-top:2px}
.hero-photo-caption .cn-label{font-size:12px;font-weight:500;color:#e3ecee;margin:5px 0 2px}
.work-caption .cn-label{font-size:12px;font-weight:500;letter-spacing:.035em;color:#637984;margin:2px 0 10px}
.team-experience .cn-label{margin:0 0 18px}
.step .cn-label{margin:4px 0 14px}
.market-row .cn-label{margin:0 0 9px}
@media(max-width:520px){.brand-text .brand-cn{font-size:8px}.hero-cn{font-size:14px}.cn-subtitle{font-size:14px}}

/* Compact homepage: one message per section, with restrained bilingual labels. */
.hero-inner{min-height:0;padding-top:52px;padding-bottom:52px}
.hero-visual{height:520px}
.hero-visual img{object-position:56% center}
.section{padding:82px 0}
.section-heading{margin-bottom:38px}
.split-heading{align-items:center}
.service-card{min-height:220px;padding:26px}
.service-card h3{margin-top:25px}
.material-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.material-card{min-height:190px;padding:25px}
.material-card h3{margin-top:21px}
.material-card p{margin:0}
.section-footnote{margin-top:24px}
.work-grid{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:0;align-items:stretch}
.work-card{border-right:0}
.work-card img{height:290px;object-position:center}
.experience-copy{background:#fff;border:1px solid #cbd4d3;padding:34px;display:flex;flex-direction:column;justify-content:center}
.experience-copy h3{font-size:clamp(24px,2.3vw,34px);line-height:1.2;letter-spacing:-.025em;margin:18px 0 4px}
.experience-copy>p:not(.eyebrow){font-size:14px;line-height:1.7;color:#526771;margin:0}
.experience-copy .cn-label{margin:3px 0 18px}
.experience-copy .experience-separator{border-top:1px solid #d7dfde;margin-top:24px!important;padding-top:18px}
.experience-separator strong{display:block;color:#1d2d36;font-size:14px}
.experience-separator span{display:block;color:#637984;font-size:12px;margin:2px 0 7px}
.steps-grid{margin-top:0}
@media(max-width:760px){.hero-inner{padding-top:55px;padding-bottom:52px}.hero-visual{height:min(78vw,480px)}.section{padding:70px 0}.work-grid{grid-template-columns:1fr}.work-card{border-right:1px solid #cbd4d3;border-bottom:0}.experience-copy{padding:29px}}
@media(max-width:520px){.material-grid{grid-template-columns:1fr}.service-card,.material-card{min-height:0}.work-card img{height:230px}}

/* Section identity: restrained technical palette; materials keep a warm cue. */
:root{
  --paper:#f5f7f4;
  --paper-deep:#e9efeb;
  --line:#d0dbd5;
  --accent:#ae704f;
  --services-color:#3d6570;
  --materials-color:#756449;
  --tools-color:#4a686b;
  --work-color:#3f695f;
  --approach-color:#4a686b;
}
.hero{background:#f5f7f4}
.services-section{background:#edf2ef;border-top:1px solid #d0dbd5}
.materials-section{background:#f2efe9;border-top:1px solid #d9d4ca}
.tools-section{background:#f5f7f4;border-top:1px solid #d0dbd5}
.work-section{background:#e9efeb;border-top:1px solid #d0dbd5}
.approach-section{background:#edf2ef;border-top:1px solid #d0dbd5}
.contact-section{border-top:5px solid #172a35}
.services-section .eyebrow-line,.services-section .card-index{color:var(--services-color);background-color:var(--services-color)}
.materials-section .eyebrow-line,.materials-section .material-card>span{color:var(--materials-color);background-color:var(--materials-color)}
.tools-section .eyebrow-line{background:var(--tools-color)}
.work-section .eyebrow-line{background:var(--work-color)}
.approach-section .eyebrow-line{background:var(--approach-color)}
.services-section .card-index,.materials-section .material-card>span{background:transparent}
.approach-section .step-no{color:var(--approach-color)}
.services-section .service-card,.materials-section .material-card,.work-section .work-card,.work-section .experience-copy{background:#fff}
#services,#materials,#tools,#work,#approach,#contact{scroll-margin-top:88px}
.primary-nav>a:not(.nav-cta){display:inline-flex;align-items:center;gap:8px;padding:12px 8px;border-bottom:3px solid transparent;transition:background .18s,color .18s,border-color .18s}
.primary-nav>a:not(.nav-cta):before{content:"";width:7px;height:7px;flex:none;background:var(--section-color)}
.primary-nav>a[href="#services"]{--section-color:var(--services-color);--section-tint:#edf2ef}
.primary-nav>a[href="#about"]{--section-color:#4b6860;--section-tint:#edf2ef}
.primary-nav>a[href="#materials"]{--section-color:var(--materials-color);--section-tint:#f2efe9}
.primary-nav>a[href="#tools"]{--section-color:var(--tools-color);--section-tint:#edf2ef}
.primary-nav>a[href="#work"]{--section-color:var(--work-color);--section-tint:#edf2ef}
.primary-nav>a[href="#approach"]{--section-color:var(--approach-color);--section-tint:#edf2ef}
.primary-nav>a:not(.nav-cta):after{display:none}
.primary-nav>a:not(.nav-cta):hover,.primary-nav>a:not(.nav-cta)[aria-current="location"]{background:var(--section-tint);color:var(--section-color);border-bottom-color:var(--section-color)}
.primary-nav>.nav-cta[aria-current="location"]{background:#3e6376;box-shadow:inset 0 -3px 0 #b5d1dd}
@media(max-width:760px){.primary-nav>a:not(.nav-cta){padding:13px 12px;border-bottom:0;border-left:3px solid transparent}.primary-nav>a:not(.nav-cta):hover,.primary-nav>a:not(.nav-cta)[aria-current="location"]{border-left-color:var(--section-color)}#services,#materials,#tools,#work,#approach,#contact{scroll-margin-top:70px}}

/* Company context and direct contact, kept as short as the service sections. */
.about-section{background:#f5f7f4;border-top:1px solid #d0dbd5}
.about-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:8vw;align-items:center}
.about-section h2{font-size:clamp(38px,3.8vw,60px);margin:0}
.about-section .cn-subtitle{margin:16px 0 0}
.about-section .eyebrow-line{background:#576c67}
.about-copy{border-left:1px solid #bdcac5;padding-left:38px}
.about-copy p{font-size:15px;line-height:1.8;color:#42565b;margin:0 0 16px}
.about-scope{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}
.about-scope span{border:1px solid #bccbc5;padding:8px 10px;color:#466059;font-size:10px;font-weight:750;letter-spacing:.08em}
#about{scroll-margin-top:88px}
.direct-contact{display:block;margin:35px 0 0;border-top:1px solid #71858d}
.contact-row{display:grid;grid-template-columns:135px minmax(0,1fr);gap:16px;align-items:baseline;padding:15px 0;border-bottom:1px solid #71858d}
.contact-row[hidden]{display:none}
.contact-row>span{font-size:10px;font-weight:800;letter-spacing:.12em;color:#b8cbd0}
.contact-row a{display:inline;border:0;padding:0;color:#fff;font-size:15px;font-weight:600;overflow-wrap:anywhere}
.contact-row a:hover{background:transparent;text-decoration:underline;text-underline-offset:4px}
.contact-meta{margin-top:42px}
@media(max-width:760px){.about-layout{grid-template-columns:1fr;gap:30px}.about-copy{border-left:0;border-top:1px solid #bdcac5;padding:28px 0 0}#about{scroll-margin-top:70px}}
@media(max-width:520px){.contact-row{grid-template-columns:1fr;gap:3px}.contact-row a{font-size:14px}}

.company-credentials{margin-top:28px;border-top:1px solid #bccbc5;border-bottom:1px solid #bccbc5}
.company-credentials summary{display:flex;align-items:center;gap:12px;cursor:pointer;list-style:none;padding:17px 0;color:#29423f;font-size:13px;font-weight:700}
.company-credentials summary::-webkit-details-marker{display:none}
.company-credentials summary span{color:#627c74;font-size:11px;font-weight:500}
.company-credentials summary:after{content:"+";margin-left:auto;font-size:21px;font-weight:400;line-height:1}
.company-credentials[open] summary:after{content:"−"}
.company-credentials summary:focus-visible{outline:2px solid #41677d;outline-offset:3px}
.credentials-list{border-top:1px solid #cbd6d1}
.credentials-list>div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:12px 0;border-bottom:1px solid #cbd6d1;font-size:12px;line-height:1.55}
.credentials-list strong{color:#29423f;font-weight:700}
.credentials-list span{color:#4d6460}
.about-copy .company-credentials p{font-size:12px;line-height:1.6;margin:14px 0 17px;color:#5b7069}
@media(max-width:520px){.company-credentials summary{flex-wrap:wrap}.company-credentials summary:after{order:2}.credentials-list>div{grid-template-columns:1fr;gap:3px}}

.credential-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;border-top:1px solid #cbd6d1;padding-top:15px}
.credential-card{display:flex;flex-direction:column;min-width:0;padding:8px 8px 11px;background:#f7f9f7;border:1px solid #c4d0ca;color:#29423f;text-decoration:none;transition:border-color .2s,transform .2s}
.credential-card:hover{border-color:#58776d;transform:translateY(-2px)}
.credential-card:focus-visible{outline:2px solid #41677d;outline-offset:3px}
.credential-image{display:flex;align-items:center;justify-content:center;height:135px;background:#fff;border:1px solid #e0e6e1;margin-bottom:10px;overflow:hidden}
.credential-image img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.credential-card strong{font-size:11px;line-height:1.35}
.credential-card>span:last-child{font-size:10px;line-height:1.45;color:#5b7069;margin-top:4px}
@media(max-width:620px){.credential-gallery{grid-template-columns:1fr}.credential-card{display:grid;grid-template-columns:115px minmax(0,1fr);column-gap:14px;align-items:center}.credential-image{grid-row:span 2;height:95px;margin:0}.credential-card>span:last-child{align-self:start}}

/* Curated category imagery keeps the sourcing offer visible without implying one factory makes everything. */
.material-preview{margin-top:30px;padding-top:26px;border-top:1px solid #c9c3b8}
.material-preview-heading{display:flex;justify-content:space-between;align-items:end;gap:26px;margin-bottom:18px}
.material-preview-heading>div>span:first-child{display:block;color:#806744;font-size:10px;font-weight:800;letter-spacing:.13em}
.material-preview-heading h3{margin:5px 0 1px;font-size:22px;line-height:1.2;color:#1d2d36}
.material-preview-heading .cn-label{font-size:11px;color:#6e746e}
.material-preview-heading p{max-width:390px;margin:0;color:#5d6b6b;font-size:12px;line-height:1.6}
.material-preview-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.material-preview-grid figure{min-width:0;margin:0;background:#fff;border:1px solid #d7d4cc}
.material-preview-grid img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover;background:#fff}
.material-preview-grid .material-product-image{display:block;width:100%;aspect-ratio:1;background-color:#fff;background-size:cover;background-position:center}
.material-preview-grid img.unitized-profile-image{object-fit:contain;background:#fff}
.material-preview-grid.profile-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
@media(max-width:760px){.material-preview-grid.profile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.material-preview-grid figcaption{display:flex;flex-direction:column;gap:2px;padding:12px 13px 14px;color:#283e43;font-size:12px;font-weight:700;line-height:1.3}
.material-preview-grid figcaption span{color:#71807d;font-size:10px;font-weight:500}
.material-preview-grid.hardware-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:9px}
.material-preview-grid.hardware-grid img{aspect-ratio:390/285;object-fit:contain;background:#fff}
.material-preview-grid.hardware-grid figcaption{padding:9px 10px 11px;font-size:11px}
.paired-hardware-images{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));aspect-ratio:390/285;overflow:hidden;background:#fff}
.material-preview-grid.hardware-grid .paired-hardware-images img{width:100%;height:100%;aspect-ratio:auto;object-fit:cover;object-position:center}
.paired-hardware-images img+img{border-left:1px solid #e3e7e4}
@media(max-width:1100px){.material-preview-grid.hardware-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:900px){.material-preview-grid.hardware-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:760px){.material-preview-grid.hardware-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:520px){.material-preview-grid.hardware-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.material-preview-heading{align-items:start;flex-direction:column;gap:9px}.material-preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.material-more{margin-top:16px}
.material-more summary{display:flex;align-items:center;gap:11px;cursor:pointer;list-style:none;width:100%;padding:14px 17px;border:1px solid #c9c3b8;background:#f8f6f0;color:#3d5050;font-size:12px;font-weight:750}
.material-more summary::-webkit-details-marker{display:none}
.material-more summary span{color:#75807c;font-size:11px;font-weight:500}
.material-more summary:after{content:"+";margin-left:auto;font-size:19px;font-weight:400;line-height:1}
.material-more[open] summary:after{content:"−"}
.material-more summary:hover{background:#fff}
.material-more summary:focus-visible{outline:2px solid #41677d;outline-offset:2px}
.material-more .material-preview-grid{margin-top:14px}
@media(max-width:520px){.material-more summary{flex-wrap:wrap}.material-more summary:after{margin-left:auto}}

/* Materials and tools remain separate offers, with restrained examples for each. */
.adhesive-preview{margin-top:26px}
.material-preview-grid.compact-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:calc(50% - 6px)}
.tools-section .section-heading{margin-bottom:16px}
.tools-section .split-heading>p{color:#526871}
.tool-preview{margin-top:28px;padding-top:25px;border-top:1px solid #c5d1d4}
.tool-preview .material-preview-heading>div>span:first-child{color:var(--tools-color)}
.tool-preview .material-preview-grid figure{border-color:#cbd6d8}
.tool-preview .material-preview-grid img{background:#fff}
.material-preview-grid.tool-gun-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
@media(max-width:1050px){.material-preview-grid.tool-gun-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.material-preview-grid.compact-grid{max-width:100%}.material-preview-grid.tool-gun-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.material-preview-grid.tool-gun-grid{grid-template-columns:1fr 1fr}}

/* Separate curtain wall and aluminium window/door category navigation. */
.site-header .header-inner{min-height:96px;gap:20px}
.primary-nav.category-nav{align-items:stretch;gap:clamp(9px,1.4vw,22px);letter-spacing:0}
.primary-nav.category-nav .nav-simple,.primary-nav.category-nav .nav-family{display:flex;flex-direction:column;justify-content:center;min-width:0}
.primary-nav.category-nav .nav-simple{align-items:flex-start;padding:12px 3px;border-bottom:3px solid transparent;white-space:nowrap;font-size:13px}
.primary-nav.category-nav .nav-simple:before,.primary-nav.category-nav .nav-simple:after{display:none}
.primary-nav.category-nav .nav-simple small,.primary-nav.category-nav .nav-parent small{display:block;color:#71807d;font-size:10px;font-weight:500;letter-spacing:0;margin-top:2px}
.primary-nav.category-nav .nav-simple:hover,.primary-nav.category-nav .nav-simple[aria-current="location"]{color:#234d5d;border-bottom-color:#234d5d;background:transparent}
.primary-nav.category-nav .nav-family{gap:2px;padding:10px 0 8px;border-bottom:3px solid transparent}
.primary-nav.category-nav .nav-family:has(.nav-parent[aria-current="page"]){border-bottom-color:#234d5d}
.primary-nav.category-nav .nav-parent{font-size:13px;line-height:1.12;white-space:nowrap}
.primary-nav.category-nav .nav-parent:hover,.primary-nav.category-nav .nav-parent[aria-current="page"]{color:#234d5d}
.primary-nav.category-nav .nav-sub{display:flex;gap:12px;white-space:nowrap}
.primary-nav.category-nav .nav-sub a{font-size:10px;font-weight:600;color:#5c6d70;line-height:1.15}
.primary-nav.category-nav .nav-sub a:hover{color:#1d5367;text-decoration:underline;text-underline-offset:3px}
.primary-nav.category-nav .nav-sub small{display:block;font-size:9px;color:#89918d;font-weight:400;line-height:1.3}
@media(max-width:1180px){
  .menu-toggle{display:block}
  .primary-nav.category-nav{display:none;position:absolute;top:100%;left:0;right:0;max-height:calc(100vh - 80px);overflow:auto;background:var(--paper);padding:13px max(20px,4vw) 22px;border-bottom:1px solid var(--line);box-shadow:0 20px 25px rgba(20,42,49,.08);flex-direction:column;align-items:stretch;gap:0}
  .primary-nav.category-nav.open{display:flex}
  .primary-nav.category-nav .nav-simple,.primary-nav.category-nav .nav-family{padding:11px 0;border-bottom:1px solid #d7ddda}
  .primary-nav.category-nav .nav-family{gap:7px}
  .primary-nav.category-nav .nav-sub{gap:26px}
  .primary-nav.category-nav .nav-simple:hover,.primary-nav.category-nav .nav-simple[aria-current="location"],.primary-nav.category-nav .nav-family:has(.nav-parent[aria-current="page"]){border-bottom-color:#b6c9c5;background:transparent}
}
.category-gateway{background:#f2efe9;border-top:1px solid #d9d4ca}
.engagement-section{background:#edf2ef;border-top:1px solid #d0dbd5}
.engagement-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.engagement-grid article{min-width:0;background:#fff;border:1px solid #d6ded9;padding:23px 24px 26px;transition:background-color .2s,border-color .2s,box-shadow .2s}
.engagement-grid article:hover{background:#e0ebe6;border-color:#54786e;box-shadow:inset 0 4px 0 #426477}
.engagement-grid article>span{font-size:10px;font-weight:800;letter-spacing:.1em;color:#66807b}
.engagement-grid h3{font-family:var(--site-font);font-size:23px;font-weight:400;line-height:1.2;margin:14px 0 3px}
.engagement-grid small{display:block;color:#71807d;font-size:11px}
.engagement-grid p{font-size:12px;color:#526465;line-height:1.7;margin:18px 0 0}
.engagement-contact-link{width:max-content;max-width:100%;margin-top:26px;gap:12px;flex-wrap:wrap;background:#243d46}
.engagement-contact-link small{font-size:11px;font-weight:500;letter-spacing:0}
.category-gateway-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.category-gateway-card{display:block;position:relative;min-height:350px;overflow:hidden;background:#d2dcda;color:#fff}
.category-gateway-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.76);transition:transform .35s}
.category-gateway-card:hover img{transform:scale(1.025)}
.category-gateway-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 33%,rgba(8,29,37,.86) 100%)}
.category-gateway-copy{position:absolute;z-index:1;left:0;right:0;bottom:0;padding:24px;display:flex;flex-direction:column;gap:2px}
.category-gateway-copy strong{font-family:var(--site-font);font-weight:400;font-size:29px;line-height:1.15}
.category-gateway-copy small{font-size:11px;color:#d8e8e3}
.category-gateway-copy>span{margin-top:7px;font-size:11px;color:#e8ece9}
.category-page-hero{background:#e9efeb;padding:65px 0 70px;border-bottom:1px solid #d0dbd5}
.category-page-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.88fr);gap:6vw;align-items:center}
.category-page-hero h1{font-family:var(--site-font);font-weight:400;font-size:clamp(38px,4.8vw,68px);line-height:1.08;letter-spacing:-.035em;margin:14px 0 12px;max-width:700px}
.category-page-hero .cn-subtitle{margin:0 0 21px}
.category-page-lead{max-width:600px;color:#485d60;font-size:15px;line-height:1.8}
.category-page-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin-top:28px}
.category-page-hero-grid>img{width:100%;height:430px;object-fit:cover;filter:saturate(.78)}
.category-detail-section{padding-top:82px;padding-bottom:86px}
.category-detail-section .material-preview:first-of-type{margin-top:0}
.category-detail-section .material-preview-grid.compact-grid{max-width:calc(50% - 6px)}
.window-media-section{background:#f5f7f4}
.window-media-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.window-media-card{display:block;width:100%;background:#fff;border:1px solid #d0d9d5}
.window-media-card img{width:100%;aspect-ratio:1.25;object-fit:cover;object-position:center 40%}
.window-media-card>span{display:flex;flex-direction:column;gap:2px;padding:12px 14px;font-size:12px;font-weight:700}
.window-media-card small{font-size:10px;color:#71807d;font-weight:400}
.category-page-contact{padding:48px 0;background:#e9efeb}
.category-page-contact>.container{display:flex;justify-content:space-between;gap:28px;align-items:center}
.category-page-contact h2{font-family:var(--site-font);font-weight:400;font-size:clamp(24px,3vw,37px);line-height:1.2;margin:8px 0}
.category-page-contact p:last-child{font-size:11px;color:#526968;margin:0}
@media(max-width:800px){.category-page-hero-grid{grid-template-columns:1fr;gap:30px}.category-page-hero-grid>img{height:330px}.category-gateway-grid{grid-template-columns:1fr}.engagement-grid{grid-template-columns:1fr}.window-media-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-detail-section .material-preview-grid.compact-grid{max-width:100%}}
@media(max-width:520px){.category-page-hero{padding:47px 0}.category-page-hero-grid>img{height:250px}.category-gateway-card{min-height:285px}.window-media-grid{grid-template-columns:1fr}.category-page-contact>.container{display:block}.category-page-contact .button{display:inline-block;margin-top:18px}}

/* Six-step process: three columns on desktop, two on tablet, one on mobile. */
.approach-section .steps-grid{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:32px}
.approach-section .step:nth-child(3n){border-right:0;margin-right:0}
@media(max-width:760px){
  .approach-section .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .approach-section .step:nth-child(3n){border-right:1px solid #c8d3cd;margin-right:25px}
  .approach-section .step:nth-child(2n){border-right:0;margin-right:0}
}
@media(max-width:520px){
  .approach-section .steps-grid{grid-template-columns:1fr}
  .approach-section .step,.approach-section .step:nth-child(3n){border-right:0;margin-right:0}
}

/* Design visualisations are clearly separate from the completed-building photo. */
.work-section{padding-top:58px;padding-bottom:64px}
.work-section .section-heading{margin-bottom:24px}
.work-heading>p{font-size:14px;line-height:1.65}
.work-section .section-heading .cn-subtitle{margin-top:10px}
.work-grid .work-card img{height:230px}
.work-card .work-caption{padding:14px 18px 15px}
.work-caption .cn-label{margin-bottom:0}
.experience-copy{padding:23px}
.experience-copy h3{margin-top:8px}
.experience-copy .cn-label{margin-bottom:11px}
.experience-copy>p:not(.eyebrow){font-size:13px;line-height:1.6}
.experience-copy .experience-separator{margin-top:14px!important;padding-top:11px}
.work-visual-gallery{margin-top:20px;padding-top:18px;border-top:1px solid #bdcfca}
.work-visual-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:11px}
.work-visual-heading h3{font-family:var(--site-font);font-size:24px;font-weight:400;line-height:1.15;margin:0 0 3px}
.work-visual-heading .cn-label{margin:0}
.work-visual-heading>p{max-width:405px;margin:0 0 2px;color:#5b7173;font-size:11px;line-height:1.5}
.work-visual-grid{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:8px}
.visual-thumb{position:relative;display:block;min-width:0;width:100%;aspect-ratio:1;padding:0;border:1px solid #c9d7d1;background:#d4ded8;overflow:hidden;cursor:zoom-in}
.visual-thumb img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover}
.visual-thumb:nth-child(1) img{object-position:62% center}
.visual-thumb:nth-child(2) img{object-position:center 65%}
.visual-thumb:nth-child(3) img{object-position:55% center}
.visual-thumb:nth-child(4) img{object-position:66% center}
.visual-thumb:nth-child(5) img{object-position:center 63%}
.visual-thumb:nth-child(6) img{object-position:70% center}
.visual-thumb:nth-child(7) img{object-position:center 48%}
.visual-thumb:nth-child(8) img{object-position:center 66%}
.visual-thumb img[src*="design-visual-aluminium-fins.webp"]{object-position:center 42%}
.visual-thumb::after{content:'↗';position:absolute;right:6px;top:6px;display:grid;place-items:center;width:23px;height:23px;background:rgba(20,42,49,.82);color:#fff;font-size:14px;line-height:1}
.visual-thumb-label{position:absolute;inset:auto 0 0;display:block;padding:23px 7px 7px;background:linear-gradient(transparent,rgba(11,31,36,.9));color:#fff;text-align:left;font-size:10px;font-weight:650;line-height:1.15}
.visual-thumb-label small{display:block;margin-top:3px;color:#dce7e5;font-size:9px;font-weight:400}
.visual-thumb:hover{border-color:#40676d}
.visual-thumb:focus-visible{outline:3px solid #41677d;outline-offset:3px}
.visual-dialog{box-sizing:border-box;width:min(96vw,1200px);max-width:96vw;max-height:94vh;margin:auto;padding:14px 16px 18px;border:1px solid #5b7376;background:#172a31;color:#fff;box-shadow:0 24px 80px rgba(0,0,0,.34)}
.visual-dialog:not([open]){display:none}
.visual-dialog::backdrop{background:rgba(9,22,28,.86)}
.visual-dialog-close{display:block;margin:0 0 10px auto;padding:7px 10px;border:1px solid #718a8b;background:transparent;color:#fff;font:inherit;font-size:12px;cursor:pointer}
.visual-dialog-close:hover,.visual-dialog-close:focus-visible{background:#365159}
.visual-dialog img{display:block;width:auto;height:auto;max-width:100%;max-height:calc(94vh - 116px);margin:auto;object-fit:contain}
.visual-dialog [hidden]{display:none!important}
.visual-dialog-caption{display:flex;align-items:baseline;gap:12px;margin-top:12px}
.visual-dialog-caption strong{font-size:15px;font-weight:650}
.visual-dialog-caption span{color:#c3d1d0;font-size:12px}
.visual-dialog-caption small{margin-left:auto;color:#a8bcbb;font-size:10px}
@media(max-width:980px){.work-visual-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:760px){.work-section{padding:52px 0}.work-heading>p{margin-top:14px}.work-visual-heading{display:block}.work-visual-heading>p{max-width:560px;margin-top:8px}}
@media(max-width:520px){.work-section{padding:44px 0}.work-visual-gallery{margin-top:18px;padding-top:17px}.work-visual-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}.visual-thumb{flex:0 0 min(42vw,170px);scroll-snap-align:start}.visual-dialog{padding:10px}.visual-dialog-caption{flex-wrap:wrap;gap:4px 10px}.visual-dialog-caption small{flex-basis:100%;margin-left:0}}

/* The homepage is an overview; detailed content lives on dedicated pages. */
.home-intro{padding:54px 0;background:#f5f7f4;border-top:1px solid #d0dbd5}
.home-intro-inner{display:grid;grid-template-columns:1fr .8fr;align-items:center;gap:8vw}
.home-intro h2{font-family:var(--site-font);font-size:clamp(30px,3.3vw,48px);font-weight:400;line-height:1.18;margin:9px 0}
.home-intro .cn-subtitle{margin:5px 0 0}
.home-intro-inner>div:last-child p{color:#4f6568;font-size:14px;line-height:1.75;margin:0 0 16px}
.home-quicklinks{background:#e9efeb;border-top:1px solid #d0dbd5;padding:44px 0}
.home-quicklinks-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.home-quicklinks a{position:relative;display:flex;flex-direction:column;min-height:142px;padding:21px 22px;background:#fff;border:1px solid #c5d3ce;color:var(--ink)}
.home-quicklinks a:hover{background:#f8faf8;border-color:#648d83}
.home-quicklinks a>span{color:#66817e;font-size:10px;font-weight:800;letter-spacing:.14em}
.home-quicklinks strong{font-family:var(--site-font);font-weight:400;font-size:25px;margin-top:19px}
.home-quicklinks small{font-size:11px;color:#617577;margin-top:3px}
.home-quicklinks b{position:absolute;right:20px;top:17px;color:#a46a43;font-size:18px;font-weight:400}
.standalone-hero{padding:62px 0 55px;background:#e9efeb;border-bottom:1px solid #d0dbd5}
.standalone-hero h1{font-family:var(--site-font);font-size:clamp(39px,4.3vw,64px);line-height:1.1;font-weight:400;margin:16px 0 8px}
.standalone-hero .cn-subtitle{margin:0 0 15px}
.standalone-hero>.container>p:last-child{max-width:690px;color:#536b6d;font-size:15px;line-height:1.7;margin:0}
@media(max-width:800px){.home-intro-inner{grid-template-columns:1fr;gap:16px}.home-quicklinks-grid{grid-template-columns:1fr}.home-quicklinks a{min-height:115px}.standalone-hero{padding:46px 0 42px}}

/* Quiet animated homepage: one glass façade image and one clear message. */
.home-hero{position:relative;display:flex;align-items:center;min-height:690px;overflow:hidden;background:#142b33;color:#faf9f4}
.home-hero-backdrop{position:absolute;inset:0;overflow:hidden}
.home-hero-backdrop img{width:100%;height:100%;object-fit:cover;object-position:center 48%;animation:hero-drift 18s ease-in-out infinite alternate;will-change:transform}
.home-hero::before{content:"";position:absolute;z-index:1;inset:0;background:linear-gradient(90deg,rgba(7,24,30,.91) 0%,rgba(7,24,30,.77) 35%,rgba(7,24,30,.4) 62%,rgba(7,24,30,.18) 100%),linear-gradient(0deg,rgba(7,24,30,.4),transparent 42%)}
.home-hero-stage{position:relative;z-index:2;width:min(calc(100% - 72px),var(--max));min-height:690px;display:flex;align-items:center;padding:72px 0 86px}
.home-hero-copy{width:min(100%,680px);animation:home-rise .7s ease-out both}
.home-hero .eyebrow{color:#cadbd4;margin:0 0 24px}
.home-hero .eyebrow-line{background:#e4bd9c}
.home-hero h1{font-family:var(--site-font);font-size:clamp(58px,6.6vw,94px);font-weight:400;line-height:1.03;letter-spacing:-.048em;margin:0 0 22px}
.home-hero h1 em{color:#f0ceb0;font-style:italic}
.home-hero .cn-subtitle{color:#e7f0ea;font-size:15px;margin:0 0 25px}
.home-hero-lead{max-width:540px;color:#e5eee9;font-size:16px;line-height:1.8;margin:0 0 31px}
.home-hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px}
.home-hero-actions a{display:inline-flex;align-items:center;justify-content:space-between;gap:23px;min-height:52px;padding:14px 19px;font-size:12px;font-weight:700;transition:background .2s,transform .2s}
.home-hero-actions a:hover{transform:translateY(-2px)}
.home-hero-primary{background:#f4f0e7;color:#18313a}
.home-hero-primary:hover{background:#e5dcd0}
.home-hero-secondary{color:#faf9f4;border-bottom:1px solid rgba(250,249,244,.68)}
.home-hero-secondary:hover{background:rgba(250,249,244,.1)}
.home-hero-actions a span{font-size:17px;font-weight:400;line-height:1}
@keyframes hero-drift{from{transform:scale(1.02) translate3d(0,0,0)}to{transform:scale(1.09) translate3d(-1%,.5%,0)}}
@keyframes home-rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:700px){.home-hero,.home-hero-stage{min-height:610px}.home-hero-stage{width:min(calc(100% - 38px),var(--max));padding:70px 0 83px}.home-hero::before{background:linear-gradient(90deg,rgba(7,24,30,.89),rgba(7,24,30,.56)),linear-gradient(0deg,rgba(7,24,30,.45),transparent 55%)}.home-hero h1{font-size:clamp(47px,10vw,65px)}.home-hero-lead{font-size:14px}}
@media(max-width:420px){.home-hero-actions{align-items:stretch;flex-direction:column}.home-hero-actions a{width:max-content;max-width:100%}}
@media(prefers-reduced-motion:reduce){.home-hero-backdrop img,.home-hero-copy{animation:none}.home-hero-actions a{transition:none}}

/* Unified system typography: no downloadable or redistributed font files. */
:root{--site-font:system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
.home-hero h1{font-weight:650;font-size:clamp(50px,6vw,78px);line-height:1.08;letter-spacing:-.05em}
.home-hero h1 em{font-style:normal}
.standalone-hero h1,.category-page-hero h1,.category-page-contact h2,.home-intro h2,.home-quicklinks strong,.engagement-grid h3,.category-gateway-copy strong,.work-visual-heading h3{font-weight:600}


/* Compact horizontal navigation tabs; narrow screens scroll instead of opening a menu. */
.site-header .header-inner{min-height:82px}
.menu-toggle{display:none!important}
.primary-nav.category-nav{display:flex;position:static;flex-direction:row;align-items:stretch;gap:4px;overflow:visible;background:transparent;padding:0;border:0;box-shadow:none;max-height:none}
.primary-nav.category-nav>.nav-tab{--tab-color:#365e6d;display:flex;flex-direction:column;justify-content:center;align-items:center;flex:none;min-height:66px;padding:9px clamp(8px,1vw,15px);border:0;border-bottom:3px solid transparent;white-space:nowrap;line-height:1.15;letter-spacing:0;transition:background .18s,border-color .18s,color .18s}
.primary-nav.category-nav>.nav-tab:before,.primary-nav.category-nav>.nav-tab:after{display:none}
.primary-nav.category-nav>.nav-tab span{font-size:12px;font-weight:700}
.primary-nav.category-nav>.nav-tab small{display:block;color:#6c7b7c;font-size:9px;font-weight:500;letter-spacing:0;margin-top:5px}
.primary-nav.category-nav>.nav-tab:hover,.primary-nav.category-nav>.nav-tab[aria-current="page"]{background:#e9efec;color:var(--tab-color);border-bottom-color:var(--tab-color)}
.primary-nav.category-nav>.nav-tab:hover small,.primary-nav.category-nav>.nav-tab[aria-current="page"] small{color:var(--tab-color)}
@media(max-width:1180px){
  .site-header .header-inner{display:flex;flex-wrap:wrap;gap:0;min-height:0;padding-top:10px}
  .site-header .brand{min-height:53px}
  .primary-nav.category-nav{display:flex;position:static;flex-direction:row;align-items:stretch;gap:4px;width:100%;max-height:none;overflow-x:auto;overflow-y:hidden;padding:0;background:transparent;border:0;border-top:1px solid #dce3df;box-shadow:none;scrollbar-width:thin;scroll-snap-type:x proximity}
  .primary-nav.category-nav>.nav-tab{min-height:51px;padding:8px 13px;scroll-snap-align:start;border-bottom:3px solid transparent}
  .primary-nav.category-nav>.nav-tab:hover,.primary-nav.category-nav>.nav-tab[aria-current="page"]{border-bottom-color:var(--tab-color)}
}
@media(max-width:760px){
  .site-header .header-inner{padding-top:7px}
  .primary-nav.category-nav>.nav-tab{min-height:48px;padding:7px 12px}
  .primary-nav.category-nav>.nav-tab span{font-size:11px}
  .primary-nav.category-nav>.nav-tab small{font-size:9px;margin-top:3px}
}
@media(max-width:1180px){main [id]{scroll-margin-top:125px}}

/* Homepage navigation sits on the façade image; inner pages retain the light header. */
.home-page .site-header{position:absolute;top:0;left:0;right:0;background:linear-gradient(180deg,rgba(7,24,30,.72),rgba(7,24,30,.24));backdrop-filter:none;border-bottom:0;color:#f8faf8}
.home-page .site-header .header-inner{justify-content:center;min-height:0}
.home-page .primary-nav.category-nav{margin-inline:auto}
.home-page .primary-nav.category-nav>.nav-tab{color:#f8faf8}
.home-page .primary-nav.category-nav>.nav-tab small{color:#d3e0dc}
.home-page .primary-nav.category-nav>.nav-tab:hover,.home-page .primary-nav.category-nav>.nav-tab[aria-current="page"]{background:rgba(255,255,255,.12);color:#fff;border-bottom-color:#e4c5a7}
.home-page .primary-nav.category-nav>.nav-tab:hover small,.home-page .primary-nav.category-nav>.nav-tab[aria-current="page"] small{color:#f2eee6}
.home-page .home-hero-stage{padding-top:122px}
@media(max-width:1180px){
  .home-page .site-header{background:linear-gradient(180deg,rgba(7,24,30,.86),rgba(7,24,30,.38))}
  .home-page .primary-nav.category-nav{border-top:0;justify-content:center}
  .home-page .home-hero,.home-page .home-hero-stage{min-height:720px}
  .home-page .home-hero-stage{padding-top:110px}
}
@media(max-width:700px){
  .home-page .primary-nav.category-nav{justify-content:flex-start}
  .home-page .home-hero,.home-page .home-hero-stage{min-height:760px}
  .home-page .home-hero-stage{padding-top:110px;padding-bottom:66px}
}
.primary-nav.category-nav{scrollbar-width:none}
.primary-nav.category-nav::-webkit-scrollbar{display:none}

/* Clear entry points within the curtain wall and window category pages. */
.category-page-jumps{background:#f5f7f4;border-bottom:1px solid #d0dbd5}
.category-page-jumps>.container{display:flex;align-items:stretch;gap:0}
.category-page-jumps a{position:relative;display:flex;flex-direction:column;justify-content:center;min-width:0;min-height:79px;flex:1;padding:13px 38px 13px 17px;border-right:1px solid #d6ded8;transition:background .18s}
.category-page-jumps a:first-child{border-left:1px solid #d6ded8}
.category-page-jumps a:hover,.category-page-jumps a:focus-visible{background:#e7eeea}
.category-page-jumps a span{font-size:13px;font-weight:750;color:#19333b;line-height:1.25}
.category-page-jumps a small{font-size:10px;color:#687e7d;margin-top:4px}
.category-page-jumps a b{position:absolute;right:17px;top:23px;color:#ac7653;font-size:18px;font-weight:400}
.catalog-nav{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 31px}
.catalog-nav a{position:relative;display:flex;flex-direction:column;justify-content:center;min-width:155px;min-height:58px;padding:9px 37px 9px 14px;background:#faf9f6;border:1px solid #d4d0c7;transition:background .18s,border-color .18s}
.catalog-nav a:hover,.catalog-nav a:focus-visible{background:#e9eeeb;border-color:#9caaa4}
.catalog-nav a span{font-size:11px;font-weight:750;line-height:1.25}
.catalog-nav a small{font-size:9px;color:#6c7c7c;margin-top:3px}
.catalog-nav a b{position:absolute;right:14px;top:17px;font-size:15px;font-weight:400;color:#ac7653}
.catalog-nav--curtain-wall{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.catalog-nav--curtain-wall a{min-width:0;min-height:70px;padding-right:25px}
.catalog-nav--curtain-wall a b{right:9px}
@media(max-width:1120px) and (min-width:801px){.catalog-nav--curtain-wall{grid-template-columns:repeat(4,minmax(0,1fr))}}
.material-preview[id],.category-detail-section[id],.window-media-section[id],.engagement-section[id]{scroll-margin-top:125px}
.tool-preview[id]{scroll-margin-top:125px}
.work-section{padding-top:36px}
.work-section .work-visual-gallery{margin-top:0;padding-top:0;border-top:0}

/* Inner pages use text navigation only; Home replaces the removed header mark. */
body:not(.home-page) .site-header .header-inner{justify-content:center;min-height:66px}
body:not(.home-page) .primary-nav.category-nav{margin-inline:auto}
@media(max-width:1180px){
  body:not(.home-page) .site-header .header-inner{padding-top:0}
  body:not(.home-page) .primary-nav.category-nav{border-top:0;justify-content:center}
}
@media(max-width:700px){body:not(.home-page) .primary-nav.category-nav{justify-content:flex-start}}

.faq-section{background:#f5f7f4;padding:72px 0 86px}
.faq-list{border-top:1px solid #c7d0cb}
.faq-item{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,6vw,100px);padding:30px 0 34px;border-bottom:1px solid #c7d0cb}
.faq-number{display:block;color:#a06d48;font-size:10px;font-weight:800;letter-spacing:.13em;margin-bottom:13px}
.faq-item h2{font-family:var(--site-font);font-size:clamp(22px,2.2vw,29px);font-weight:500;line-height:1.25;letter-spacing:-.025em;margin:0 0 8px}
.faq-question-zh{font-size:13px;color:#476572;margin:0}
.faq-answer p{font-size:14px;line-height:1.7;color:#36505b;margin:0 0 11px}
.faq-answer p[lang="zh-CN"]{font-size:12px;color:#62777b;margin-bottom:0}
@media(max-width:700px){.faq-section{padding:46px 0 60px}.faq-item{grid-template-columns:1fr;gap:15px;padding:25px 0 29px}}
@media(max-width:800px){
  .category-page-jumps>.container{overflow-x:auto;scrollbar-width:none}
  .category-page-jumps>.container::-webkit-scrollbar{display:none}
  .category-page-jumps a{flex:0 0 175px;min-height:69px;padding-left:12px}
  .catalog-nav{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .catalog-nav::-webkit-scrollbar{display:none}
  .catalog-nav a{flex:0 0 165px}
  .catalog-nav--curtain-wall{display:flex}
  .catalog-nav--curtain-wall a{flex:0 0 190px}
}

/* Keep the category navigation in view on every inner page. */
body:not(.home-page){--inner-header-height:67px;padding-top:var(--inner-header-height)}
body:not(.home-page) .site-header{position:fixed;top:0;right:0;left:0;width:100%;z-index:100;background:rgba(245,246,244,.98)}
body:not(.home-page) main [id]{scroll-margin-top:calc(var(--inner-header-height) + 18px)}
@media(max-width:1180px){
  body:not(.home-page){--inner-header-height:58px}
  body:not(.home-page) .site-header .header-inner{min-height:51px}
}
@media(max-width:760px){
  body:not(.home-page){--inner-header-height:56px}
  body:not(.home-page) .site-header .header-inner{min-height:48px}
}

/* Plain company profile and category-specific process sections. */
.about-section{padding:72px 0 82px}
.about-section .about-layout{align-items:start}
.about-section h1{font-size:clamp(38px,3.8vw,60px);font-weight:600;letter-spacing:-.036em;line-height:1.1;margin:0}
.workshop-section{padding:66px 0 76px;background:#fff}
.workshop-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}
.workshop-heading h2{font-size:clamp(31px,3vw,46px);line-height:1.12;letter-spacing:-.025em;margin:16px 0 0}
.workshop-heading .cn-subtitle{margin:9px 0 0}
.workshop-heading>p{max-width:390px;margin:0 0 4px;color:#526970;font-size:14px;line-height:1.6}
.workshop-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.workshop-grid figure{min-width:0;margin:0;background:#f5f7f4;border:1px solid #d2dcd6}
.workshop-grid img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.workshop-grid figcaption{display:flex;justify-content:space-between;gap:12px;padding:13px 15px;color:#263d42;font-size:13px;font-weight:700}
.workshop-grid figcaption span{color:#627b77;font-size:12px;font-weight:500}
@media(max-width:760px){.workshop-heading{display:block}.workshop-heading>p{margin-top:15px}.workshop-grid{grid-template-columns:1fr}}
.category-process-section{padding:64px 0 70px;background:#edf2ef}
.category-process-section .section-heading{margin-bottom:27px}
.category-process-section .section-heading h2{font-size:clamp(32px,3vw,44px);margin:0}
.category-process-section .steps-grid{grid-template-columns:repeat(4,minmax(0,1fr));column-gap:22px;row-gap:0}
.category-process-section .step,.category-process-section .step:nth-child(2n),.category-process-section .step:nth-child(3n){border-right:0;border-bottom:0;margin-right:0;padding:18px 10px 0 0}
.category-process-section .step-no{font-size:25px;margin-bottom:15px}
.category-process-section .step h3{font-size:17px;line-height:1.3;margin-bottom:7px}
.category-process-section .step p{margin:10px 0 0;font-size:12px;line-height:1.65}
@media(max-width:760px){
  .category-process-section .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:18px}
}
@media(max-width:520px){
  .about-section{padding:52px 0 60px}
  .category-process-section .steps-grid{grid-template-columns:1fr;row-gap:0}
  .category-process-section .step,.category-process-section .step:nth-child(2n),.category-process-section .step:nth-child(3n){border-bottom:1px solid #c8d3cd;padding:18px 0}
  .category-process-section .step:last-child{border-bottom:0}
}
.section-footnote [lang="zh-CN"]{display:block;margin-top:5px}
/* Homepage service list: one clear service per row. */
.home-page .home-hero-copy{width:min(100%,650px)}
.home-page .home-hero h1{font-size:clamp(48px,5.5vw,72px);line-height:1.07;margin-bottom:13px}
.home-page .home-hero .cn-subtitle{font-size:13px;margin-bottom:22px}
.home-service-groups{margin:0 0 28px}
.home-service-group+.home-service-group{margin-top:17px}
.home-service-group-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 7px;color:#f0cbae;font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}
.home-service-group-title small{color:#e2e9e5;font-size:11px;font-weight:600;letter-spacing:0;text-transform:none;text-shadow:0 1px 4px rgba(0,0,0,.65)}
.home-service-list{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.34)}
.home-service-list li{display:flex;align-items:baseline;justify-content:space-between;gap:18px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.3)}
.home-service-list li span{color:#fff;font-size:17px;font-weight:600;line-height:1.35}
.home-service-list li small{flex:none;color:#e2e9e5;font-size:11px;font-weight:600;line-height:1.4;text-align:right;text-shadow:0 1px 4px rgba(0,0,0,.65)}
@media(max-width:700px){.home-page .home-hero h1{font-size:clamp(43px,8vw,58px)}.home-service-list li{display:block;padding:9px 0}.home-service-list li span{display:block;font-size:16px}.home-service-list li small{display:block;margin-top:3px;text-align:left}}
.home-page .home-hero,.home-page .home-hero-stage{min-height:100vh;min-height:100svh}
.home-page .home-hero-stage{padding-top:clamp(90px,10vh,122px);padding-bottom:clamp(36px,6vh,86px)}
.curtain-wall-design-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.curtain-wall-design-grid .service-card-supply{background:#f7f1e8;border-top:3px solid #ac7653}
.curtain-wall-design-grid .service-card{display:flex;flex-direction:column}
.curtain-wall-design-grid .service-outputs{margin-top:auto;padding-top:16px;border-top:1px solid #ccd7d1;color:#425c63;font-size:12px;line-height:1.55}
.curtain-wall-design-grid .service-outputs strong{display:block;margin-bottom:4px;color:#1d2d36;font-size:10px;letter-spacing:.1em;text-transform:uppercase}
.curtain-wall-design-grid .service-outputs span{display:block}
@media(max-width:800px){.curtain-wall-design-grid{grid-template-columns:1fr}}
.material-sample-note{display:block;margin-top:15px;padding-top:13px;border-top:1px solid #c9c9be;color:#344d55;font-size:13px;line-height:1.65}
.material-sample-note [lang="zh-CN"]{display:block;margin-top:4px;color:#697b7d;font-size:11px}
.panel-material-grid>.paired-material-card{grid-column:span 2}
.paired-material-images{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.panel-material-grid .paired-material-images img{width:100%;height:auto;aspect-ratio:1;object-fit:cover}
.paired-material-images img+img{border-left:1px solid #d7d4cc}
@media(max-width:760px){.panel-material-grid>.paired-material-card{grid-column:span 1}}
@media(max-width:520px){.panel-material-grid{grid-template-columns:1fr}.panel-material-grid>.paired-material-card{grid-column:span 1}}

.material-preview-grid.tool-all-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
.category-page-hero-grid>.thermal-window-hero-image{object-position:center 10%}
.window-type-intro{border-top:1px solid #c8d4cf;padding:23px 0 15px}
.window-type-intro h3,.window-profile-group h4{font-family:var(--site-font);font-size:24px;font-weight:500;line-height:1.25;margin:0 0 5px}
.window-type-intro h3 small,.window-profile-group h4 small{display:block;font-family:var(--site-font);font-size:12px;font-weight:400;color:#62787b;margin-top:5px}
.window-type-intro p{font-size:13px;color:#566d73;margin:0}
.material-preview-grid.window-finished-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:12px}
.window-finished-grid img{aspect-ratio:4/3;object-fit:cover}
.material-preview-grid.thermal-window-gallery{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}
.thermal-window-gallery img{height:320px;aspect-ratio:auto}
.window-profile-group{margin-top:24px}
.window-profile-group h4{font-size:21px;margin-bottom:14px}
@media(max-width:1050px){.material-preview-grid.tool-all-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:760px){.material-preview-grid.tool-all-grid,.material-preview-grid.window-finished-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.category-page-hero-grid>.thermal-window-hero-image{object-position:center top}}
@media(max-width:600px){.material-preview-grid.thermal-window-gallery{grid-template-columns:1fr}.thermal-window-gallery img{height:250px}}

/* Consistent hover feedback for content cards across the site. */
:is(.service-card,.material-card,.material-preview-grid figure,.window-media-card,.credential-card,.engagement-grid article,.work-card,.experience-copy){transition:background-color .2s,border-color .2s,box-shadow .2s,transform .2s}
@media(hover:hover){
  :is(.service-card,.material-card,.material-preview-grid figure,.window-media-card,.credential-card,.engagement-grid article,.work-card,.experience-copy):hover{background:#e0ebe6;border-color:#54786e;box-shadow:inset 0 4px 0 #426477,0 0 0 2px rgba(66,100,119,.28)}
  .material-preview-grid figure:hover figcaption,.window-media-card:hover>span{background:#e0ebe6}
  .visual-thumb:hover{border-color:#54786e;box-shadow:0 0 0 2px #426477}
  .visual-thumb:hover img{filter:brightness(.86)}
}
.material-preview-grid figcaption,.window-media-card>span,.visual-thumb img{transition:background-color .2s,filter .2s}
.grouped-supply-images{position:relative;isolation:isolate;aspect-ratio:1;overflow:hidden;background:#fff}
.material-preview-grid .grouped-supply-images img{position:absolute;display:block;width:auto;height:auto;aspect-ratio:1;object-fit:contain;mix-blend-mode:multiply}
.material-preview-grid .grouped-supply-images--bolts img:first-child{width:90%;height:90%;left:5%;top:-7%}
.material-preview-grid .grouped-supply-images--bolts img:last-child{width:49%;height:49%;left:25.5%;bottom:-1%}

/* Divider hierarchy: main sections, navigation, then internal groups. */
main>section+section[class],main>.category-page-jumps+section[class]{border-top:2px solid #91a59d}
body:not(.home-page) .site-header{border-bottom:1px solid #9aafa7}
.category-page-jumps{border-bottom:0}
.material-preview,.tool-preview{border-top:1px solid #aebdb5}
.faq-list,.faq-item{border-color:#b6c5bd}

/* English-only navigation and hero spacing. */
.site-header .header-inner{min-height:64px}
.primary-nav.category-nav>.nav-tab{min-height:52px}
.home-page .home-hero h1{margin-bottom:28px}
.home-page .home-hero-stage{padding-top:clamp(78px,9vh,108px)}
@media(max-width:1180px){.site-header .header-inner{min-height:0}}