/* Editorial refinement after the client's OpenAI reference, 21 October. */
:root{--bg:#fff;--surface:#f3f5f4;--ink:#182321;--muted:#40534f;--accent:#06525c;--font:'Bricolage Grotesque','Microsoft YaHei',sans-serif;--head:clamp(30px,3.1vw,44px)}
body{font-size:16px;line-height:1.65;color:var(--ink);background:#fff}
h1,h2,h3{font-weight:500;letter-spacing:-.035em;line-height:1.3}
.site-header{height:80px}.wordmark{font-size:18px;font-weight:600}.mark{stroke-width:2}.site-nav{gap:30px;font-size:14px}.button{border-radius:999px;background:#172824;min-height:46px;padding:12px 22px;font-size:14px}.button:hover{background:#31443d}.text-link{font-size:14px;text-underline-offset:5px}
.hero{padding-top:64px}.hero-intro{text-align:center;max-width:1000px;margin:0 auto 54px}.hero h1{font-size:clamp(36px,4.6vw,68px);font-weight:500;letter-spacing:-.045em;white-space:normal;line-height:1.25}.hero-intro>p{font-size:20px;line-height:1.7;max-width:none;margin-top:22px}.hero-actions{display:flex;align-items:center;justify-content:center;gap:28px;margin-top:28px}.material-stage{height:clamp(340px,39vw,600px);min-height:0;background:#eaece8;position:relative}.material-stage>img{width:100%;height:100%;position:absolute;inset:0;opacity:1;object-fit:cover;object-position:50% 60%}.stage-caption{font-size:13px;left:24px;bottom:18px;color:#34423c;display:block;text-align:left}
.intro{padding-top:120px;padding-bottom:110px}.section-intro{grid-template-columns:1fr 1fr;gap:80px;margin-bottom:48px}.section-intro p{line-height:1.8;max-width:32em}.material-types{font-size:16px;margin-top:20px;gap:28px}.product-layout{background:transparent;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:58px;align-items:stretch}.product-picture{background:#f0f0ec;min-height:500px;overflow:hidden}.product-picture img{position:absolute;inset:0;object-position:69% 50%;height:100%;width:100%;object-fit:cover}.product-picture figcaption{position:absolute;bottom:20px;left:24px;font-size:14px;color:#34423c}.product-browser{padding:0;gap:36px}.tabs{gap:20px;flex-wrap:wrap}.tabs button{padding:10px 0;background:none;font-size:14px;border-radius:0;color:#53635c}.tabs button[aria-selected=true]{background:none;color:#172824;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:10px}.product-copy{gap:24px}.product-copy h3{font-size:28px;line-height:1.45}.product-copy p{font-size:16px;line-height:1.85}.product-meta{display:grid;grid-template-columns:1fr 1fr;gap:20px;font-size:14px;color:#40534f}.product-meta strong{font-size:16px;line-height:1.7;color:var(--ink)}.product-actions{padding-bottom:16px;gap:24px;justify-content:flex-start;flex-wrap:wrap}.product-note{margin-top:24px;max-width:66em;font-size:16px;line-height:1.8}
.applications{padding-top:30px}.scene-tile h3{font-size:28px;font-weight:500;letter-spacing:-.03em}.scene-tile p{font-size:16px;line-height:1.7;font-weight:400}.scene-tile a{padding:28px}.scene-band{min-height:500px}.application-detail{padding-top:32px;gap:80px}.application-detail h3{font-size:24px;font-weight:500}.application-detail ul{line-height:1.8}.application-note{font-size:16px}
.process{background:#f3f5f4;color:var(--ink);padding-block:90px}.process .section-intro p{color:var(--ink)}.flow{gap:40px;align-items:start}.flow-step,.flow-step:nth-of-type(n){margin-top:0;min-height:174px;background:transparent;color:#30423b;padding:28px 0;text-align:left;transition:color .2s}.flow-step[aria-pressed=true],.flow-step:hover{background:transparent;color:#06525c}.flow-step h3{font-size:26px;margin-bottom:18px;line-height:1.4}.flow-step[aria-pressed=true] h3{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:10px}.flow-step p{font-size:16px;line-height:1.8}.flow path{stroke:#6a8981}.flow-detail{grid-template-columns:1fr 1fr;gap:80px;padding-top:28px}.flow-detail h3{font-size:24px;line-height:1.5}.flow-detail p{font-size:16px;line-height:1.8}.flow-detail .button{background:#172824;color:#fff;margin-top:24px}
.carbon-section{padding-block:110px}.carbon-preview{background:#f3f5f4;padding:40px}.carbon-preview h3{font-size:24px}.carbon-row strong{font-size:32px;font-weight:500}.carbon-row p,.carbon-row small{font-size:16px}.capabilities h2{margin-bottom:32px}.capability-table th{background:#f3f5f4}.capability-table tr:nth-child(even) td{background:#f7f8f7}.contact-section{background:#f3f5f4;padding-block:90px}.contact-copy p{line-height:1.8}.brief-form{background:white}.service-list{gap:24px}.service-list strong,.service-list span{font-size:16px;line-height:1.8}.site-footer{background:white;color:var(--ink);padding-top:70px}.footer-top h2{font-size:24px;font-weight:500}.footer-top p,.footer-top a{font-size:16px}.footer-name{font-size:clamp(60px,14.8vw,210px);letter-spacing:-.06em;line-height:1.2;font-weight:500;padding-top:64px}.footer-bottom{color:#40534f}.credits,.credits p{color:#40534f;font-size:14px}.credits p{max-width:60ch}.sheet-head h2{font-size:24px;font-weight:500}.detail-list dd{line-height:1.8}
.product-picture img{height:calc(100% - 40px);object-position:50% 50%}.product-picture figcaption{bottom:0;left:0;right:0;height:40px;padding:8px 0;background:#fff;color:#34423c;font-size:14px}
.credits,.credits p{font-size:16px}.tabs button{font-size:16px}.flow-step h3{font-size:24px}.form-foot .button{white-space:nowrap;flex-shrink:0}
@media(min-width:701px) and (max-width:1000px){.form-foot{flex-direction:column;align-items:stretch}.form-foot p{max-width:none}}
@media(max-width:700px){.product-picture figcaption{bottom:0;left:0;padding:8px 0;font-size:14px}.tabs button{font-size:16px}}
@media(min-width:1600px){main>section,.site-header,.site-footer{padding-inline:max(32px,calc((100vw - 1536px)/2))}.applications{padding-inline:0}.applications .section-intro,.application-detail,.application-note{padding-inline:max(32px,calc((100vw - 1536px)/2))}}
@media(max-width:1000px){.hero{padding-top:48px}.hero-intro{margin-bottom:40px}.material-stage{height:400px}.product-layout{grid-template-columns:1.05fr 1fr;gap:32px}.product-picture{min-height:480px}.tabs{gap:16px}.product-copy h3{font-size:24px}.product-meta{grid-template-columns:1fr;gap:14px}.flow{gap:24px}.flow-step h3{font-size:24px}.section-intro,.application-detail,.flow-detail{gap:40px}}
@media(max-width:700px){.site-header{height:72px}.site-nav{top:72px}.hero{padding-top:36px}.hero h1{font-size:36px;max-width:12em;margin:auto;line-height:1.4;letter-spacing:-.04em}.hero-intro{margin-bottom:32px}.hero-intro>p{font-size:18px;margin-top:16px;line-height:1.75;max-width:19em;margin-inline:auto}.hero-actions{gap:24px;margin-top:22px}.material-stage{height:300px;min-height:0}.material-stage>img{object-position:62% center}.stage-caption{font-size:13px;bottom:12px;left:16px}.intro{padding-block:76px}.section-intro{grid-template-columns:1fr;gap:24px;margin-bottom:28px}.section-intro p{font-size:16px}.product-layout{grid-template-columns:1fr;gap:28px}.product-picture{min-height:340px;height:340px}.product-picture figcaption{bottom:16px;left:16px;font-size:14px}.product-browser{gap:30px;padding:0}.tabs{gap:18px}.tabs button{font-size:14px;padding:9px 0}.product-copy{gap:20px}.product-copy h3{font-size:24px}.product-meta{grid-template-columns:1fr 1fr}.product-actions{padding-bottom:0}.product-note{margin-top:24px;font-size:16px}.applications{padding-block:0 76px}.scene-band{min-height:0}.scene-tile a{padding:20px}.scene-tile h3{font-size:24px}.scene-tile p{font-size:16px;line-height:1.7}.application-detail{grid-template-columns:1fr;gap:24px}.application-detail h3{font-size:24px}.application-note{font-size:16px}.process{padding-block:64px}.process .section-intro{margin-bottom:24px}.flow{padding-left:24px;gap:16px}.flow-step,.flow-step:nth-of-type(n){min-height:0;padding:20px}.flow-step h3{font-size:24px}.flow-step p{font-size:16px}.flow-detail{grid-template-columns:1fr;gap:20px;padding-top:28px}.carbon-section{padding-block:76px}.carbon-preview{padding:28px 22px}.carbon-preview h3{font-size:24px}.carbon-row strong{font-size:32px}.capabilities{padding-bottom:76px}.contact-section{padding-block:64px}.footer-name{font-size:22vw;padding-top:48px}.site-footer{padding-top:48px}.credits,.credits p{font-size:16px}.footer-bottom{font-size:14px}.contact-copy h2{font-size:30px}}
/* Full-bleed application carousel, requested by the client. */
.hero.hero-carousel{position:relative;isolation:isolate;overflow:hidden;min-height:650px;height:calc(100svh - 80px);max-height:1000px;padding:0;color:#fff;background:#203a36;display:flex;align-items:center}
.hero-scenes,.hero-scrim{position:absolute;inset:0;z-index:-2}.hero-scenes{overflow:hidden}.hero-scene{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 56%;opacity:0;transition:opacity 1s ease;will-change:opacity,transform}.hero-scene.is-active{opacity:1}.hero-scene[data-hero-image="1"]{object-position:55% center}.hero-scene[data-hero-image="2"]{object-position:65% center}.hero-scrim{z-index:-1;background:linear-gradient(90deg,rgba(0,0,0,.72),rgba(0,0,0,.18))} /* Neutral photo scrim preserves white-text contrast; taste-skill-ignore. */
.hero-carousel .hero-intro{margin:0;text-align:left;padding:60px max(56px,6vw) 170px;width:100%;max-width:none}.hero-carousel h1{font-size:clamp(48px,5.4vw,82px);font-weight:500;max-width:9em;line-height:1.25;letter-spacing:-.045em;color:#fff;margin:0}.hero-carousel .hero-intro>p{font-size:20px;max-width:28em;line-height:1.8;margin:24px 0 0;color:#fff}.hero-carousel .hero-actions{justify-content:flex-start;margin-top:32px;gap:30px}.hero-carousel .hero-actions .button{background:#fff;color:#172824}.hero-carousel .hero-actions .button:hover{background:#e8efec}.hero-carousel .text-link{color:#fff;font-size:16px}
.hero-carousel-bottom{position:absolute;bottom:28px;left:max(56px,6vw);right:max(56px,6vw);display:grid;grid-template-columns:1fr auto;gap:22px 32px;align-items:center}.hero-switcher{display:flex;gap:36px;align-items:center}.hero-scene-button{font-size:16px;line-height:1.5;color:#fff;background:transparent;min-height:48px;padding:8px 0;text-align:left;position:relative}.hero-scene-button:after{content:'';height:3px;background:#fff;position:absolute;bottom:2px;left:0;right:0;transform:scaleX(0);transform-origin:left;transition:transform .35s}.hero-scene-button.is-active:after{transform:scaleX(1)}.hero-scene-button:hover{text-decoration:underline;text-underline-offset:7px}.hero-carousel-actions{display:flex;align-items:center;gap:12px}.hero-round{width:46px;height:46px;border-radius:50%;background:#18302cc9;color:#fff;display:grid;place-items:center}.hero-round:hover{background:#18302c}.hero-round svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7}.hero-pause{background:#18302cc9;color:#fff;border-radius:999px;min-height:46px;padding:10px 18px;font-size:14px}.hero-pause:hover{background:#18302c}.hero-photo-note{margin:0;font-size:14px;line-height:1.7;color:#fff;grid-column:1/-1}.hero-carousel button:focus-visible,.hero-carousel a:focus-visible{outline-color:#fff}
@media(max-width:1000px){.hero-carousel .hero-intro{padding-left:32px;padding-right:32px}.hero-carousel-bottom{left:32px;right:32px}.hero-switcher{gap:24px}.hero-carousel .hero-intro>p{font-size:18px}.hero-carousel-actions{gap:8px}}
@media(max-width:700px){.hero.hero-carousel{height:calc(100svh - 72px);min-height:650px;max-height:920px}.hero-carousel .hero-intro{padding:48px 24px 230px}.hero-carousel h1{font-size:42px;line-height:1.3;max-width:8em;letter-spacing:-.04em}.hero-carousel .hero-intro>p{font-size:18px;line-height:1.8;max-width:18em;margin-top:22px}.hero-carousel .hero-actions{gap:24px;margin-top:28px}.hero-carousel .hero-actions .button{font-size:14px;padding:12px 20px}.hero-carousel .text-link{font-size:14px}.hero-carousel-bottom{left:24px;right:24px;bottom:22px;grid-template-columns:1fr;gap:14px}.hero-switcher{gap:28px;justify-content:flex-start}.hero-scene-button{font-size:16px}.hero-carousel-actions{position:absolute;right:0;bottom:48px;gap:8px}.hero-round{width:42px;height:42px}.hero-pause{min-height:42px;padding:8px 12px;font-size:14px}.hero-photo-note{font-size:13px;max-width:24em;min-height:44px;padding-top:50px}.hero-scene[data-hero-image="0"]{object-position:64% center}.hero-scene[data-hero-image="1"]{object-position:46% center}.hero-scene[data-hero-image="2"]{object-position:64% center}.hero-scrim{background:linear-gradient(90deg,rgba(0,0,0,.72),rgba(0,0,0,.34))}} /* Neutral photo scrim preserves white-text contrast; taste-skill-ignore. */
@media(prefers-reduced-motion:reduce){.hero-scene{transition:none;will-change:auto}}

.hero-carousel.has-gsap .hero-scene{transition:none}
@media(max-width:700px){.hero-carousel-actions{position:static;justify-content:flex-start}.hero-pause{margin-left:auto}.hero-photo-note{padding-top:0;min-height:40px}}
/* Green brand ground and explicit, filled link controls. */
:root{--bg:#edf5ef;--surface:#dfecdf;--ink:#173d31;--muted:#365b46;--accent:#225d42}
body,.site-header,.intro,.applications,.carbon-section,.capabilities,.site-footer{background:#edf5ef;color:#173d31}
.process,.contact-section{background:#dfecdf}.process .section-intro p{color:#173d31}.carbon-preview,.capability-table th{background:#dfecdf}.capability-table tr:nth-child(even) td{background:#e3eee2}.brief-form{background:#f7fbf7}.product-picture figcaption{background:#edf5ef;color:#365b46}.footer-top h2,.footer-top p{color:#173d31}.footer-bottom,.credits,.credits p{color:#365b46}
.site-nav{gap:10px}.site-nav>a{background:#deebdc;padding:9px 14px;border-radius:6px;min-height:42px;display:inline-flex;align-items:center}.site-nav>a:after{display:none}.site-nav>a:hover,.text-link:hover,.footer-nav a:hover{background:#cbdcc9}.text-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border-radius:6px;background:#deebdc;color:#214e37;text-decoration:none;line-height:1.6}.product-actions .text-link{background:#deebdc!important;padding:10px 16px!important}.footer-nav{gap:12px;align-content:start}.footer-nav a{padding:12px 16px;min-height:48px;background:#d7e7d4;border-radius:6px;color:#214e37;display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:300px;font-size:16px}.footer-nav a:after{content:'↗';font-size:18px}.footer-nav a:active,.site-nav>a:active,.text-link:active{transform:translateY(1px)}
.hero-carousel .hero-actions .button{background:#e8f4e4;color:#173d31}.hero-carousel .hero-actions .button:hover{background:#cfe5c9}.hero-carousel .text-link{background:#244e3de6;color:#fff;padding:12px 20px}.hero-carousel .text-link:hover{background:#316448}.hero-round,.hero-pause{background:#193e30d9}.hero-round:hover,.hero-pause:hover{background:#28553c}
.footer-brand-art{margin:48px 0 0;background:#204837;overflow:hidden}.footer-brand-art img{width:100%;height:auto;aspect-ratio:3/1;object-fit:cover;display:block}.site-footer .footer-bottom{padding-top:24px}
@media(min-width:701px) and (max-width:1000px){.site-nav{gap:6px}.site-nav>a{padding:8px 10px;font-size:13px}.site-header{gap:14px}.site-header>.button{padding-inline:16px}}
@media(max-width:700px){.site-nav{background:#dfecdf;gap:10px}.site-nav>a{background:#d2e3ce;padding:12px 16px;min-height:46px}.hero-carousel .hero-actions{gap:16px}.hero-carousel .text-link{font-size:14px;padding:12px 16px}.product-actions{gap:16px}.footer-nav a{font-size:16px;padding:12px;gap:12px}.footer-top{gap:24px 16px}.footer-brand-art{margin-top:36px;margin-inline:calc(-1 * var(--pad))}.footer-brand-art img{aspect-ratio:2/1;object-fit:cover}}

.tabs{gap:12px}.tabs button{background:#deebdc;border-radius:6px;padding:10px 14px;min-height:44px;color:#214e37}.tabs button[aria-selected=true]{background:#285c40;color:#fff;text-decoration:none}.tabs button:hover{background:#cbdcc9}.tabs button[aria-selected=true]:hover{background:#204a34}.hero-scene-button{background:#193e30bf;border-radius:6px;padding:10px 16px}.hero-scene-button.is-active{background:#e8f4e4;color:#173d31}.hero-scene-button:after{display:none}.hero-scene-button:hover{background:#2c6044;text-decoration:none;color:#fff}.hero-switcher{gap:12px}.credits a{display:inline-block;background:#deebdc;padding:5px 10px;border-radius:4px;text-decoration:none;margin-block:3px}.credits a:hover{background:#cbdcc9}
@media(max-width:700px){.tabs button{padding:10px 12px}.hero-switcher{gap:8px}.hero-scene-button{font-size:15px;padding:10px 12px}.footer-brand-art img{aspect-ratio:3/1;object-fit:contain}}
/* Client-requested white, top-edge navigation and material-led sections. */
.site-header{background:#fff}.brand-mark{width:44px;height:44px;object-fit:contain;flex-shrink:0}.wordmark{gap:12px;font-size:20px;letter-spacing:.025em}.site-nav>a{background:#f3f5f3}.site-nav>a:hover{background:#e7eee8}
.edge-nav-enabled .site-header{position:fixed;top:0;left:0;right:0;z-index:100;transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .28s ease,opacity .2s ease}
.edge-nav-enabled .site-header.is-revealed,.edge-nav-enabled .site-header:focus-within{transform:translateY(0);opacity:1;pointer-events:auto}
.edge-nav-enabled .hero.hero-carousel{height:100svh}
.hero-carousel-bottom{gap:12px 32px;bottom:36px}
.material-heading{display:block;margin-bottom:40px}.material-heading h2{font-size:clamp(28px,3.1vw,44px)}
.product-browser .tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;flex-wrap:nowrap}.product-browser .tabs button{padding:12px 8px;white-space:nowrap;font-size:16px}
.product-picture.waste-carousel{min-height:500px;position:relative;background:#dbe5da;display:flex;flex-direction:column}.waste-images{position:relative;flex:1;min-height:420px;overflow:hidden}.product-picture .waste-images img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:0;transition:opacity .65s ease}.product-picture .waste-images img.is-active{opacity:1}.waste-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px;background:#dce8dc;position:relative}.waste-select,.waste-actions{display:flex;gap:6px;align-items:center}.waste-controls button{background:#c9dcc9;color:#173d31;border-radius:6px;min-height:42px;padding:8px 12px;font-size:14px;white-space:nowrap}.waste-controls button[aria-pressed=true]{background:#285c40;color:#fff}.waste-controls button:hover{background:#b7ceb9}.waste-controls button[aria-pressed=true]:hover{background:#204a34}
.process .flow{gap:32px;align-items:start;margin-bottom:40px}.process .flow-step{position:relative;padding:28px 22px;min-height:200px;background:#c8ddcb;color:#173d31;transition:background .2s}.process .flow-step:nth-of-type(1){margin-top:0}.process .flow-step:nth-of-type(2){margin-top:38px}.process .flow-step:nth-of-type(3){margin-top:76px}.process .flow-step:nth-of-type(4){margin-top:114px}.process .flow-step[aria-pressed=true]{background:#f5faf4}.process .flow-step:hover{background:#eaf4e8}.process .flow-step[aria-pressed=true] h3{text-decoration:none}.process .flow-step h3{font-size:24px}.process .flow-step p{font-size:16px}.process .flow path{stroke:#668d72;stroke-width:2}
.carbon-photo{margin-top:32px;height:300px;overflow:hidden}.carbon-photo img{width:100%;height:100%;object-fit:cover;object-position:center 45%}
.site-footer{padding-inline:0}.footer-top,.footer-bottom,.footer-resources{margin-inline:var(--pad)}.footer-resources{padding-top:16px}.footer-resources .text-link{font-size:14px}.footer-brand-art{margin:44px 0 0;position:relative;width:100%;height:clamp(300px,38vw,650px);overflow:hidden;background:transparent}
.footer-brand-art .brand-landscape{position:absolute;inset:0;width:100%;height:100%;aspect-ratio:auto;object-fit:cover;object-position:center 62%;filter:brightness(.78);mask-image:linear-gradient(to bottom,transparent,#000 15%,#000 83%,transparent)} /* Client requested soft photographic edge blending; taste-skill-ignore. */
.footer-brand-art .brand-artword{position:absolute;top:50%;left:12%;width:76%;height:auto;aspect-ratio:4380/1020;object-fit:contain;transform:translateY(-45%)}
@media(min-width:701px) and (max-width:1100px){.waste-controls{flex-wrap:wrap}.waste-actions{margin-left:auto}.product-browser .tabs button{font-size:14px;padding:10px 5px}.process .flow{gap:20px}.process .flow-step{padding:24px 14px}.process .flow-step h3{font-size:22px}}
@media(max-width:700px){.site-header,.site-nav{background:#fff}.site-nav>a{background:#f3f5f3}.brand-mark{width:38px;height:38px}.wordmark{font-size:18px;gap:9px}.hero-carousel-bottom{bottom:24px}.hero-carousel .hero-intro{padding-bottom:180px}.product-picture.waste-carousel{min-height:380px;height:380px}.waste-images{min-height:290px}.waste-controls{padding:10px;gap:8px;flex-wrap:wrap}.waste-controls button{font-size:14px;padding:7px 10px}.waste-actions{margin-left:auto}.material-heading{margin-bottom:28px}.material-heading h2{font-size:28px}.product-browser .tabs{gap:6px}.product-browser .tabs button{font-size:14px;padding:10px 5px}.process .flow{gap:18px;margin-bottom:24px}.process .flow-step:nth-of-type(n){margin-top:0;min-height:0;padding:24px}.process .flow-step h3{font-size:24px}.carbon-photo{height:240px}.footer-brand-art{height:300px;margin:32px 0 0}.footer-brand-art .brand-artword{left:6%;width:88%}.footer-bottom{gap:16px}.footer-top{margin-inline:var(--pad)}}
@media(prefers-reduced-motion:reduce){.edge-nav-enabled .site-header,.product-picture .waste-images img{transition:none}}