:root {
  --gs-ink: #17211e;
  --gs-deep: #15352d;
  --gs-green: #3f735b;
  --gs-lime: #c7dc54;
  --gs-aqua: #c7e8e2;
  --gs-clay: #c97852;
  --gs-cream: #f4f1e8;
  --gs-paper: #fbfaf5;
  --gs-mist: #e7ece6;
  --gs-line: rgba(23,33,30,.17);
  --gs-edge: clamp(1.25rem,4.2vw,5.2rem);
}
.gs-page { color: var(--gs-ink); background: var(--gs-cream); }
.gs-selector,.gs-environment,.gs-evidence,.gs-catalogue,.gs-flagships,.gs-projects,.gs-product-group { scroll-margin-top: 9rem; }
.gs-page .site-header.scrolled { background: rgba(244,241,232,.94); }
.gs-page .site-header:not(.scrolled) { color: var(--gs-ink); }
.gs-page .site-header:not(.scrolled)::before { background: linear-gradient(rgba(251,250,245,.96),rgba(251,250,245,.72),transparent); }
.gs-page .site-header:not(.scrolled) .header-cta { background: rgba(251,250,245,.45); }
.gs-kicker,.gs-index { margin: 0; color: var(--gs-green); font: 700 .66rem/1.4 Arial,sans-serif; letter-spacing: .22em; }
.gs-arrow-link { display: inline-flex; gap: 2rem; align-items: center; margin-top: 2rem; padding-bottom: .45rem; border-bottom: 1px solid; font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-decoration: none; }
.gs-arrow-link i { font: normal 1rem/1 Arial,sans-serif; }
.gs-breadcrumb { display: flex; gap: .65rem; margin-bottom: clamp(2rem,4vw,4.5rem); color: #52605c; font-size: .68rem; letter-spacing: .1em; }
.gs-breadcrumb a { text-decoration: none; }

.gs-hero { display: grid; grid-template-columns: minmax(28rem,.84fr) minmax(36rem,1.16fr); min-height: 100vh; padding-top: 5.25rem; background: var(--gs-paper); }
.gs-hero__copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(6rem,9vw,10rem) clamp(2rem,5vw,6.8rem) clamp(4rem,6vw,7rem) var(--gs-edge); }
.gs-logo { width: min(23rem,68%); height: auto; margin-bottom: 2.5rem; }
.gs-hero h1 { max-width: 8.7em; margin: 1.2rem 0 1.6rem; font: 400 clamp(3.5rem,5.7vw,7rem)/1.02 STSong,"Noto Serif SC",serif; letter-spacing: -.065em; }
.gs-hero h1 em { color: var(--gs-green); font-style: normal; }
.gs-lead { max-width: 42rem; margin: 0; color: #59635f; font-size: .9rem; line-height: 2.05; letter-spacing: .05em; }
.gs-hero__facts { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 2.5rem; border-top: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); }
.gs-hero__facts div { padding: 1.3rem 1rem 1.3rem 0; }
.gs-hero__facts div + div { padding-left: 1rem; border-left: 1px solid var(--gs-line); }
.gs-hero__facts strong { display: block; font: 400 1.7rem/1.1 Georgia,serif; }
.gs-hero__facts span { display: block; margin-top: .45rem; color: #6c746f; font-size: .6rem; line-height: 1.45; letter-spacing: .08em; }
.gs-hero__gallery { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: minmax(0,1fr) minmax(12rem,.38fr); gap: 1px; min-height: calc(100vh - 5.25rem); overflow: hidden; background: var(--gs-ink); }
.gs-hero__gallery figure { position: relative; min-height: 0; margin: 0; overflow: hidden; background: #cdd5cc; }
.gs-hero__gallery .gs-hero__main { grid-column: 1/-1; }
.gs-hero__gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.2,1),filter .6s; }
.gs-hero__gallery figure:hover img { filter: saturate(1.12); transform: scale(1.025); }
.gs-hero__gallery figcaption { position: absolute; right: 1rem; bottom: 1rem; padding: .55rem .7rem; color: white; background: rgba(20,35,30,.82); font: 700 .54rem/1 Arial,sans-serif; letter-spacing: .15em; }
.gs-hero__gallery figure:last-child img { filter: saturate(.55) contrast(1.08); }

.gs-local-nav { position: sticky; z-index: 31; top: 4.35rem; display: grid; grid-template-columns: 1.25fr repeat(6,1fr); border-top: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); background: rgba(244,241,232,.96); backdrop-filter: blur(14px); }
.gs-local-nav a { padding: 1rem .8rem; border-right: 1px solid var(--gs-line); font-size: .63rem; font-weight: 600; letter-spacing: .08em; text-align: center; text-decoration: none; white-space: nowrap; }
.gs-local-nav a:first-child { color: white; background: var(--gs-ink); }
.gs-local-nav a:hover { color: white; background: var(--gs-green); }

.gs-selector,.gs-catalogue,.gs-projects { padding: clamp(5.5rem,9vw,10rem) var(--gs-edge); }
.gs-section-head { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(3rem,8vw,9rem); align-items: end; margin-bottom: clamp(3rem,5vw,5.5rem); }
.gs-section-head h2 { max-width: 10.5em; margin: 1.2rem 0 0; font: 400 clamp(2.9rem,5.2vw,6rem)/1.07 STSong,"Noto Serif SC",serif; letter-spacing: -.055em; }
.gs-section-head h2 span { color: var(--gs-green); }
.gs-section-head > p { max-width: 42rem; margin: 0; color: #646d68; font-size: .83rem; line-height: 2; letter-spacing: .045em; }
.gs-section-head--light .gs-index { color: var(--gs-lime); }
.gs-section-head--light h2 span { color: var(--gs-aqua); }
.gs-section-head--light > p { color: rgba(255,255,255,.68); }
.gs-route-grid { display: grid; grid-template-columns: repeat(5,1fr); border-top: 1px solid var(--gs-line); border-left: 1px solid var(--gs-line); }
.gs-route-grid a { position: relative; min-height: 24rem; padding: 1.7rem; overflow: hidden; border-right: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); text-decoration: none; transition: color .3s,background .3s,transform .3s; }
.gs-route-grid a::before { position: absolute; inset: auto -25% -38% 25%; width: 14rem; height: 14rem; border: 1px solid currentColor; border-radius: 50%; opacity: .12; content: ""; transition: transform .5s; }
.gs-route-grid a:hover { z-index: 2; color: white; background: var(--gs-green); transform: translateY(-.45rem); }
.gs-route-grid a:nth-child(3):hover { background: #265466; }
.gs-route-grid a:nth-child(5):hover { background: #875841; }
.gs-route-grid a:hover::before { transform: scale(1.45); }
.gs-route-grid span { color: var(--gs-green); font: 700 .65rem/1 Arial,sans-serif; }
.gs-route-grid a:hover span { color: var(--gs-lime); }
.gs-route-grid small { display: block; margin-top: 4rem; font: 700 .56rem/1 Arial,sans-serif; letter-spacing: .18em; opacity: .58; }
.gs-route-grid h3 { margin: 1rem 0; font: 400 2rem/1.2 STSong,"Noto Serif SC",serif; }
.gs-route-grid p { margin: 0; font-size: .73rem; line-height: 1.85; opacity: .7; }
.gs-route-grid b { position: absolute; bottom: 1.7rem; left: 1.7rem; font-size: .63rem; letter-spacing: .08em; }
.gs-decision-strip { display: grid; grid-template-columns: .55fr 1.45fr; align-items: center; margin-top: 2rem; padding: 2.1rem 2.3rem; color: white; background: var(--gs-deep); }
.gs-decision-strip p { margin: 0; color: var(--gs-lime); font-size: .69rem; font-weight: 700; letter-spacing: .12em; }
.gs-decision-strip ul { display: flex; flex-wrap: wrap; gap: .8rem 1.8rem; margin: 0; padding: 0; list-style: none; }
.gs-decision-strip li { position: relative; padding-left: 1.1rem; font-size: .7rem; letter-spacing: .05em; }
.gs-decision-strip li::before { position: absolute; top: .3em; left: 0; width: .45rem; height: .45rem; border-radius: 50%; background: var(--gs-lime); content: ""; }

.gs-product-shelf { display: grid; grid-template-columns: .58fr 1.42fr; gap: clamp(2.5rem,6vw,7rem); padding: clamp(4.5rem,8vw,8rem) var(--gs-edge); border-top: 1px solid var(--gs-line); background: #ebe6db; }
.gs-product-shelf > header { align-self: start; position: sticky; top: 10rem; }
.gs-product-shelf h2 { margin: 1.2rem 0 1.5rem; font: 400 clamp(2.6rem,4.5vw,5.1rem)/1.08 STSong,"Noto Serif SC",serif; letter-spacing: -.05em; }
.gs-product-shelf h2 span { color: var(--gs-green); }
.gs-product-shelf > header > p:last-child { max-width: 34rem; margin: 0; color: #65706a; font-size: .75rem; line-height: 1.95; }
.gs-product-shelf__grid { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--gs-line); border-left: 1px solid var(--gs-line); }
.gs-product-shelf figure { margin: 0; border-right: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); background: var(--gs-cream); }
.gs-product-shelf figure img { width: 100%; aspect-ratio: 1.32; object-fit: contain; }
.gs-product-shelf figcaption { display: grid; grid-template-columns: 1fr auto; gap: .55rem 1rem; padding: 1.2rem; border-top: 1px solid var(--gs-line); }
.gs-product-shelf figcaption small { color: var(--gs-green); font: 700 .54rem/1 Arial,sans-serif; letter-spacing: .15em; }
.gs-product-shelf figcaption strong { grid-column: 1; font: 400 1.35rem/1.1 Georgia,serif; }
.gs-product-shelf figcaption span { grid-column: 2; grid-row: 1/3; align-self: center; color: #6b746f; font-size: .61rem; text-align: right; }
.gs-product-shelf__grid--official { grid-template-columns: repeat(2,1fr); }
.gs-product-shelf__grid--official figure img { aspect-ratio: 1.36; padding: clamp(.75rem,1.6vw,1.4rem); object-fit: contain; background: #f4f4f4; }
.gs-product-shelf__grid--official figcaption { padding: 1.4rem 1.6rem; }

.gs-environment { display: grid; grid-template-columns: .9fr 1.1fr; color: white; background: var(--gs-deep); }
.gs-environment__visual { min-width: 0; background: #21392f; }
.gs-environment__image { height: 44rem; margin: 0; overflow: hidden; }
.gs-environment__image img { width: 100%; height: 100%; object-fit: cover; }
.gs-carbon-reaction { padding: clamp(2rem,4vw,4rem) var(--gs-edge); color: var(--gs-ink); background: var(--gs-aqua); }
.gs-carbon-reaction small { display: block; margin-bottom: 1.4rem; font: 700 .6rem/1 Arial,sans-serif; letter-spacing: .17em; }
.gs-carbon-reaction strong { display: inline-block; font: 400 clamp(1.6rem,2.5vw,3.2rem)/1.2 Georgia,serif; }
.gs-carbon-reaction i { margin: 0 1rem; font: normal 1.6rem/1 Arial,sans-serif; }
.gs-carbon-reaction p { max-width: 45rem; margin: 1.4rem 0 0; font-size: .72rem; line-height: 1.9; }
.gs-environment__copy { padding: clamp(5rem,8vw,9rem) var(--gs-edge); }
.gs-environment__copy .gs-index { color: var(--gs-lime); }
.gs-environment__copy h2 { max-width: 9em; margin: 1.2rem 0 3.5rem; font: 400 clamp(3rem,5vw,5.8rem)/1.08 STSong,"Noto Serif SC",serif; letter-spacing: -.055em; }
.gs-environment__copy h2 span { color: var(--gs-aqua); }
.gs-env-principles { border-top: 1px solid rgba(255,255,255,.2); }
.gs-env-principles article { display: grid; grid-template-columns: 2.5rem 10rem 1fr; gap: 1rem; padding: 1.6rem 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.gs-env-principles span { color: var(--gs-lime); font: 700 .62rem/1 Arial,sans-serif; }
.gs-env-principles h3 { margin: 0; font: 400 1.25rem/1.3 STSong,"Noto Serif SC",serif; }
.gs-env-principles p { margin: 0; color: rgba(255,255,255,.67); font-size: .72rem; line-height: 1.85; }
.gs-carbon-table { grid-column: 1/-1; display: grid; grid-template-columns: 1.6fr repeat(6,1fr); border-top: 1px solid rgba(255,255,255,.22); background: #1d2a26; }
.gs-carbon-table > div { min-height: 10rem; padding: 1.5rem; border-right: 1px solid rgba(255,255,255,.15); }
.gs-carbon-table__head span { color: var(--gs-lime); font-size: .67rem; font-weight: 700; letter-spacing: .1em; }
.gs-carbon-table__head p { margin: 1rem 0 0; color: rgba(255,255,255,.55); font-size: .65rem; line-height: 1.65; }
.gs-carbon-table small { display: block; color: rgba(255,255,255,.62); font-size: .58rem; letter-spacing: .06em; }
.gs-carbon-table strong { display: block; margin-top: 2.2rem; color: var(--gs-lime); font: 400 1.65rem/1 Georgia,serif; }
.gs-carbon-table__note { grid-column: 1/-1; margin: 0; padding: 1rem var(--gs-edge); color: rgba(255,255,255,.55); background: #17211e; font-size: .64rem; line-height: 1.7; }

.gs-evidence { padding: clamp(5.5rem,9vw,10rem) var(--gs-edge); color: white; background: #202a27; }
.gs-evidence-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.gs-evidence-card { display: grid; grid-template-rows: 22rem 1fr; min-width: 0; color: var(--gs-ink); background: var(--gs-paper); }
.gs-evidence-card figure { display: flex; align-items: flex-start; justify-content: center; margin: 0; overflow: hidden; background: #edf0ec; }
.gs-evidence-card figure img { width: 100%; height: 100%; object-fit: cover; object-position: center 12%; }
.gs-evidence-card.is-current figure img { object-position: center 66%; }
.gs-evidence-card.is-archive figure img { object-position: 50% 12%; }
.gs-evidence-card > div { padding: 1.8rem; }
.gs-status { display: inline-flex; padding: .45rem .62rem; color: white; background: var(--gs-green); font-size: .55rem; font-weight: 700; letter-spacing: .11em; }
.is-test .gs-status { background: #32677c; }
.is-archive .gs-status { background: #a94f40; }
.gs-evidence-card small { display: block; margin-top: 1.4rem; color: #6d7771; font: 700 .55rem/1 Arial,sans-serif; letter-spacing: .16em; }
.gs-evidence-card h3 { margin: .8rem 0 1.2rem; font: 400 1.8rem/1.2 STSong,"Noto Serif SC",serif; }
.gs-evidence-card dl { display: grid; grid-template-columns: 1fr 1fr; margin: 0; border-top: 1px solid var(--gs-line); border-left: 1px solid var(--gs-line); }
.gs-evidence-card dl div { padding: .8rem; border-right: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); }
.gs-evidence-card dt { color: #7a817d; font-size: .55rem; }
.gs-evidence-card dd { margin: .35rem 0 0; font-size: .7rem; font-weight: 600; line-height: 1.5; }
.gs-evidence-card p { min-height: 5.7em; margin: 1.2rem 0; color: #606a65; font-size: .69rem; line-height: 1.9; }
.gs-evidence-card a { display: inline-flex; padding-bottom: .3rem; border-bottom: 1px solid; font-size: .64rem; font-weight: 700; text-decoration: none; }
.gs-cert-matrix { display: grid; grid-template-columns: .75fr 1.25fr; margin-top: 1rem; color: var(--gs-ink); background: var(--gs-aqua); }
.gs-cert-matrix__intro { padding: clamp(2.4rem,5vw,5rem); }
.gs-cert-matrix__intro h3 { margin: 1.5rem 0; font: 400 clamp(2rem,3.5vw,4rem)/1.12 STSong,"Noto Serif SC",serif; letter-spacing: -.04em; }
.gs-cert-matrix__intro p { margin: 0; font-size: .72rem; line-height: 1.9; }
.gs-cert-matrix__table { display: grid; align-content: center; padding: 2rem; background: var(--gs-paper); }
.gs-cert-matrix__table > div { display: grid; grid-template-columns: 1.6fr .7fr .7fr; border-top: 1px solid var(--gs-line); }
.gs-cert-matrix__table > div:last-child { border-bottom: 1px solid var(--gs-line); }
.gs-cert-matrix__table > div > * { padding: .85rem 1rem; border-right: 1px solid var(--gs-line); font-size: .69rem; }
.gs-cert-matrix__table .is-head { color: white; background: var(--gs-ink); }
.gs-cert-notes { display: grid; grid-template-columns: repeat(3,1fr); border-left: 1px solid rgba(255,255,255,.18); }
.gs-cert-notes article { padding: 1.7rem; border-right: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.gs-cert-notes strong { color: var(--gs-lime); font: 400 1.15rem/1.3 STSong,"Noto Serif SC",serif; }
.gs-cert-notes p { margin: .8rem 0 0; color: rgba(255,255,255,.62); font-size: .68rem; line-height: 1.8; }

.gs-catalogue { background: var(--gs-paper); }
.gs-catalogue-toolbar { position: sticky; z-index: 20; top: 8.55rem; display: grid; grid-template-columns: repeat(6,1fr); margin-bottom: 1.5rem; border-top: 1px solid var(--gs-line); border-left: 1px solid var(--gs-line); background: rgba(251,250,245,.96); backdrop-filter: blur(14px); }
.gs-catalogue-toolbar button { min-height: 4.3rem; padding: .8rem; border: 0; border-right: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); color: var(--gs-ink); background: transparent; font-size: .68rem; font-weight: 700; letter-spacing: .06em; cursor: pointer; }
.gs-catalogue-toolbar button span { margin-left: .35rem; color: var(--gs-green); font: 400 .75rem/1 Georgia,serif; }
.gs-catalogue-toolbar button:hover,.gs-catalogue-toolbar button.is-active { color: white; background: var(--gs-green); }
.gs-catalogue-toolbar button.is-active span { color: var(--gs-lime); }
.gs-products-viewer { background: #fff; box-shadow: 0 1.5rem 4.5rem rgba(31,52,43,.07); }
.gs-product-picker { display: grid; grid-template-columns: 10rem minmax(16rem,1fr) 5.5rem 7rem; align-items: stretch; min-height: 4.5rem; border: 1px solid #dce2de; background: #fff; }
.gs-product-picker > * + * { border-left: 1px solid #dce2de; }
.gs-product-picker label { display: flex; flex-direction: column; justify-content: center; padding: .75rem 1.1rem; }
.gs-product-picker label span { color: var(--gs-ink); font: 700 .74rem/1.25 Arial,"Microsoft YaHei",sans-serif; }
.gs-product-picker label small { margin-top: .28rem; color: #85908a; font: 600 .5rem/1 Arial,sans-serif; letter-spacing: .15em; }
.gs-product-picker__control { position: relative; display: flex; align-items: center; }
.gs-product-picker__control::after { position: absolute; right: 1.3rem; color: var(--gs-green); content: "⌄"; pointer-events: none; }
.gs-product-picker select { width: 100%; height: 100%; padding: 0 3.5rem 0 1.35rem; border: 0; outline: 0; color: #2f3b36; background: transparent; font: 500 .83rem/1.4 Arial,"Microsoft YaHei",sans-serif; appearance: none; cursor: pointer; }
.gs-product-picker select:focus-visible { box-shadow: inset 0 0 0 2px #74c095; }
.gs-product-picker__count { display: grid; place-items: center; color: #748079; font: 600 .64rem/1 Arial,sans-serif; letter-spacing: .12em; }
.gs-product-picker__steps { display: grid; grid-template-columns: 1fr 1fr; }
.gs-product-picker__steps button { border: 0; color: var(--gs-ink); background: transparent; font: 400 1rem/1 Arial,sans-serif; cursor: pointer; }
.gs-product-picker__steps button + button { border-left: 1px solid #dce2de; }
.gs-product-picker__steps button:hover { color: #fff; background: #74c095; }
.gs-product-stage { --stage-accent: #74c095; position: relative; min-height: clamp(35rem,52vw,44rem); overflow: hidden; border: 1px solid #dce2de; border-top: 0; background: #f7f7f7; animation: gs-stage-in .48s ease both; }
.gs-product-stage--exterior { --stage-accent: #52728a; }
.gs-product-stage--functional { --stage-accent: #2c4b52; }
.gs-product-stage--complementary { --stage-accent: #8a7658; }
.gs-product-stage--earth { --stage-accent: #a85f43; }
.gs-product-stage__inner { position: relative; z-index: 2; width: min(76rem,100%); min-height: inherit; margin: 0 auto; padding: clamp(3rem,5.5vw,5.5rem) clamp(2rem,4.4vw,4.6rem); }
.gs-product-stage__copy { width: min(31rem,45%); font-family: Arial,"Microsoft YaHei",sans-serif; }
.gs-product-stage__index { margin: 0 0 1rem; color: #65716b; font: 700 .57rem/1.3 Arial,sans-serif; letter-spacing: .16em; }
.gs-product-stage__package { margin: 0 0 .7rem; color: #69756f; font: 500 .72rem/1.4 Arial,"Microsoft YaHei",sans-serif; }
.gs-product-stage h3 { margin: 0 0 .5rem; color: var(--stage-accent); font: 500 clamp(2.7rem,4.6vw,4.5rem)/1.04 Arial,Helvetica,sans-serif; letter-spacing: -.045em; overflow-wrap: anywhere; }
.gs-product-stage__copy > strong { display: block; color: #303b36; font-size: .9rem; line-height: 1.45; letter-spacing: .02em; }
.gs-product-stage__intro { max-width: 29rem; margin: 1.15rem 0 0; color: #5f6a65; font-size: .77rem; line-height: 1.85; }
.gs-product-stage__copy h4 { margin: 1.7rem 0 .25rem; color: #34413b; font: 700 .65rem/1.3 Arial,"Microsoft YaHei",sans-serif; letter-spacing: .06em; }
.gs-product-stage__copy h4 span { margin-left: .5rem; color: var(--stage-accent); font-size: .52rem; letter-spacing: .12em; }
.gs-product-stage__facts { margin: 0; border-top: 1px solid #d5dcd8; }
.gs-product-stage__facts div { display: grid; grid-template-columns: 7.2rem 1fr; gap: 1rem; min-width: 0; padding: .56rem .1rem; border-bottom: 1px solid #d5dcd8; }
.gs-product-stage__facts dt { color: #77827d; font-size: .62rem; line-height: 1.45; }
.gs-product-stage__facts dd { margin: 0; color: #2f3a35; font-size: .65rem; font-weight: 600; line-height: 1.45; overflow-wrap: anywhere; }
.gs-product-stage__actions { margin-top: 1.5rem; }
.gs-product-stage__detail { display: inline-flex; justify-content: space-between; gap: 2.5rem; align-items: center; min-width: 13.5rem; min-height: 3.2rem; padding: .8rem 1rem; border: 1px solid var(--stage-accent); color: #fff; background: var(--stage-accent); font-size: .66rem; font-weight: 700; cursor: pointer; transition: color .2s,background .2s; }
.gs-product-stage__detail:hover { color: var(--stage-accent); background: #fff; }
.gs-product-stage__detail i { font-style: normal; }
.gs-product-stage__visual { position: absolute; z-index: 0; inset: 0; min-width: 0; margin: 0; overflow: hidden; background: #f7f7f7; }
.gs-product-stage__visual::after { position: absolute; inset: 0; background: linear-gradient(90deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,.38) 38%,rgba(255,255,255,0) 58%); content: ""; pointer-events: none; }
.gs-product-stage__visual img { width: 100%; height: 100%; object-fit: cover; }
.gs-product-stage__visual.is-pack img { object-position: center; }
.gs-product-stage__visual.is-pack img { position: absolute; right: 3.5rem; width: 55%; object-fit: cover; object-position: center; }
.gs-product-stage__visual figcaption { position: absolute; z-index: 2; right: 1.2rem; bottom: 1rem; padding: .45rem .6rem; color: #75817b; background: rgba(255,255,255,.88); font: 600 .48rem/1 Arial,sans-serif; letter-spacing: .1em; }
@keyframes gs-stage-in { from { opacity: 0; transform: translateY(.6rem); } to { opacity: 1; transform: none; } }
.gs-catalogue-note { margin: 1.8rem 0 0; padding: 1.2rem 1.4rem; border-left: 3px solid var(--gs-green); color: #65706a; background: var(--gs-mist); font-size: .7rem; line-height: 1.8; }

.gs-product-modal[hidden] { display: none !important; }
.gs-modal-open { overflow: hidden; }
.gs-product-modal { position: fixed; z-index: 300; inset: 0; display: grid; place-items: center; padding: clamp(1rem,3vw,3rem); }
.gs-product-modal__backdrop { position: absolute; inset: 0; background: rgba(11,24,20,.8); backdrop-filter: blur(10px); }
.gs-product-modal__panel { position: relative; display: grid; grid-template-columns: .78fr 1.22fr; width: min(78rem,100%); max-height: min(52rem,92vh); overflow: hidden; color: var(--gs-ink); background: var(--gs-paper); box-shadow: 0 2rem 6rem rgba(0,0,0,.35); }
.gs-product-modal__close { position: absolute; z-index: 3; top: 1rem; right: 1rem; display: grid; place-items: center; width: 2.8rem; height: 2.8rem; padding: 0; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; color: white; background: rgba(18,33,28,.65); font: 300 1.5rem/1 Arial,sans-serif; cursor: pointer; }
.gs-product-modal__visual { position: relative; min-height: 32rem; overflow: hidden; background: var(--gs-mist); }
.gs-product-modal__visual img { width: 100%; height: 100%; object-fit: cover; }
.gs-product-modal__visual.is-product-pack img { padding: clamp(1rem,2.5vw,2.4rem); object-fit: contain; }
.gs-product-modal__visual span { position: absolute; bottom: 1.2rem; left: 1.2rem; padding: .6rem .75rem; color: white; background: var(--gs-deep); font-size: .58rem; font-weight: 700; letter-spacing: .12em; }
.gs-product-modal__content { padding: clamp(2rem,4vw,4.5rem); overflow-y: auto; }
.gs-product-modal__content h2 { margin: 1rem 0 1.3rem; font: 400 clamp(2.6rem,4.2vw,5rem)/1.05 Georgia,serif; letter-spacing: -.04em; }
.gs-product-modal__lead { max-width: 48rem; margin: 0 0 1.8rem; color: #59645e; font-size: .78rem; line-height: 1.95; }
.gs-product-modal__data { display: grid; grid-template-columns: repeat(3,1fr); margin: 0; border-top: 1px solid var(--gs-line); border-left: 1px solid var(--gs-line); }
.gs-product-modal__data div { min-height: 6rem; padding: .9rem; border-right: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); }
.gs-product-modal__data dt { color: #748079; font-size: .57rem; }
.gs-product-modal__data dd { margin: .55rem 0 0; font-size: .7rem; font-weight: 700; line-height: 1.45; }
.gs-product-modal__detail { display: grid; grid-template-columns: 1fr 1fr; margin-top: 1.6rem; border-top: 1px solid var(--gs-line); }
.gs-product-modal__detail > div { padding: 1.2rem 1.3rem 0 0; }
.gs-product-modal__detail > div + div { padding-left: 1.3rem; border-left: 1px solid var(--gs-line); }
.gs-product-modal__detail small { color: var(--gs-green); font-size: .58rem; font-weight: 700; letter-spacing: .1em; }
.gs-product-modal__detail p { margin: .65rem 0 0; color: #5e6863; font-size: .69rem; line-height: 1.85; }
.gs-product-modal__source { margin: 1.5rem 0; padding: .8rem 1rem; color: #6d7771; background: var(--gs-mist); font-size: .6rem; line-height: 1.7; }
.gs-product-modal__content > a { display: inline-flex; gap: 3rem; padding-bottom: .35rem; border-bottom: 1px solid; font-size: .65rem; font-weight: 700; text-decoration: none; }
.gs-product-modal__content > a i { font-style: normal; }
.gs-product-group { border-top: 1px solid var(--gs-line); }
.gs-product-group:last-child { border-bottom: 1px solid var(--gs-line); }
.gs-product-group summary { display: grid; grid-template-columns: 11rem 1fr auto 2.5rem; gap: 1rem; align-items: center; min-height: 8rem; padding: 1rem 0; cursor: pointer; list-style: none; }
.gs-product-group summary::-webkit-details-marker { display: none; }
.gs-product-group summary span { color: var(--gs-green); font: 700 .61rem/1 Arial,sans-serif; letter-spacing: .16em; }
.gs-product-group summary h3 { margin: 0; font: 400 clamp(1.9rem,3vw,3.2rem)/1.2 STSong,"Noto Serif SC",serif; }
.gs-product-group summary b { font-size: .66rem; letter-spacing: .1em; }
.gs-product-group summary i { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border: 1px solid var(--gs-line); border-radius: 50%; font: normal 1.2rem/1 Arial,sans-serif; transition: transform .3s,background .3s; }
.gs-product-group[open] summary i { color: white; background: var(--gs-green); transform: rotate(45deg); }
.gs-product-grid { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--gs-line); border-left: 1px solid var(--gs-line); }
.gs-product-grid > article { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1.5rem; min-height: 20rem; padding: 2rem; border-right: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); background: var(--gs-cream); }
.gs-product-grid > article.is-featured { background: #e8efe4; }
.gs-product-grid small { color: var(--gs-green); font: 700 .56rem/1 Arial,sans-serif; letter-spacing: .16em; }
.gs-product-grid h4 { margin: 2.5rem 0 .9rem; font: 400 clamp(1.8rem,2.5vw,2.7rem)/1.1 Georgia,serif; }
.gs-product-grid p { margin: 0; color: #606a65; font-size: .72rem; line-height: 1.85; }
.gs-product-grid dl { display: grid; grid-template-columns: 1fr 1fr; align-self: end; margin: 0; border-top: 1px solid var(--gs-line); border-left: 1px solid var(--gs-line); }
.gs-product-grid dl div { min-height: 5.3rem; padding: .8rem; border-right: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); }
.gs-product-grid dt { color: #7d847f; font-size: .54rem; }
.gs-product-grid dd { margin: .5rem 0 0; font-size: .66rem; font-weight: 600; line-height: 1.45; }
.gs-product-grid--two > article { min-height: 22rem; }
.gs-compact-products { border-top: 1px solid var(--gs-line); }
.gs-compact-products article { display: grid; grid-template-columns: 5rem 1fr minmax(15rem,.65fr); gap: 1.5rem; align-items: center; min-height: 6.5rem; padding: .8rem 1rem; border-bottom: 1px solid var(--gs-line); transition: background .2s; }
.gs-compact-products article:hover { background: var(--gs-mist); }
.gs-compact-products > article > span { color: var(--gs-green); font: 700 .62rem/1 Arial,sans-serif; }
.gs-compact-products h4 { margin: 0; font: 400 1.35rem/1.2 Georgia,serif; }
.gs-compact-products p { margin: .35rem 0 0; color: #6d746f; font-size: .67rem; }
.gs-compact-products strong { justify-self: end; font-size: .65rem; line-height: 1.6; text-align: right; }

.gs-flagships { padding: clamp(5.5rem,9vw,10rem) var(--gs-edge); color: white; background: var(--gs-deep); }
.gs-feature-story { display: grid; grid-template-columns: 1.05fr .95fr; background: var(--gs-paper); color: var(--gs-ink); }
.gs-feature-story figure { position: relative; min-height: 42rem; margin: 0; overflow: hidden; }
.gs-feature-story figure img { width: 100%; height: 100%; object-fit: cover; }
.gs-feature-story figcaption { position: absolute; bottom: 1.2rem; left: 1.2rem; padding: .55rem .7rem; color: white; background: var(--gs-deep); font: 700 .55rem/1 Arial,sans-serif; letter-spacing: .15em; }
.gs-feature-story > div { padding: clamp(2.5rem,5vw,6rem); }
.gs-feature-story h3 { margin: 1.3rem 0 1.8rem; font: 400 clamp(2.7rem,4.7vw,5.5rem)/1.06 STSong,"Noto Serif SC",serif; letter-spacing: -.05em; }
.gs-feature-story p { color: #5d6862; font-size: .76rem; line-height: 1.95; }
.gs-feature-story ul { margin: 2rem 0; padding: 0; border-top: 1px solid var(--gs-line); list-style: none; }
.gs-feature-story li { padding: .85rem 0; border-bottom: 1px solid var(--gs-line); font-size: .69rem; line-height: 1.65; }
.gs-feature-story a,.gs-feature-pair a { display: inline-flex; margin-top: 1rem; padding-bottom: .35rem; border-bottom: 1px solid; font-size: .65rem; font-weight: 700; text-decoration: none; }
.gs-feature-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 1px; background: rgba(255,255,255,.2); }
.gs-feature-pair article { display: grid; grid-template-columns: .85fr 1.15fr; min-height: 26rem; color: var(--gs-ink); background: var(--gs-paper); }
.gs-feature-pair figure { margin: 0; overflow: hidden; }
.gs-feature-pair figure img { width: 100%; height: 100%; object-fit: cover; }
.gs-feature-pair article > div { padding: 2rem; }
.gs-feature-pair small { color: var(--gs-green); font: 700 .55rem/1 Arial,sans-serif; letter-spacing: .15em; }
.gs-feature-pair h3 { margin: 2.5rem 0 1rem; font: 400 2rem/1.2 STSong,"Noto Serif SC",serif; }
.gs-feature-pair p { color: #606963; font-size: .7rem; line-height: 1.9; }
.gs-feature-pair strong { display: block; margin-top: 1.5rem; color: var(--gs-green); font-size: .7rem; }
.gs-feature-pair article > div { position: relative; padding-bottom: 8.5rem; overflow: hidden; }
.gs-feature-product-pack { position: absolute; right: 1.4rem; bottom: 1.15rem; width: 6.1rem; height: auto; filter: drop-shadow(0 .65rem .55rem rgba(46,58,51,.13)); }
.gs-feature-product-pack-crop { position: absolute; right: 1.2rem; bottom: .85rem; width: 6.5rem; height: 8rem; overflow: hidden; }
.gs-feature-product-pack-crop img { position: absolute; top: 50%; left: 50%; width: 12.1rem; max-width: none; height: auto; transform: translate(-50%,-56%); mix-blend-mode: multiply; }
.gs-technology { display: grid; grid-template-columns: .9fr 1.1fr; margin-top: 1px; color: white; background: #111917; }
.gs-technology > div { padding: clamp(3rem,6vw,7rem); }
.gs-technology .gs-index { color: var(--gs-lime); }
.gs-technology h3 { margin: 1.4rem 0; font: 400 clamp(2.3rem,4vw,4.7rem)/1.1 STSong,"Noto Serif SC",serif; letter-spacing: -.04em; }
.gs-technology p { max-width: 42rem; color: rgba(255,255,255,.62); font-size: .73rem; line-height: 1.95; }
.gs-technology figure { min-height: 30rem; margin: 0; overflow: hidden; }
.gs-technology figure img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.4) contrast(1.1); }

.gs-projects { background: var(--gs-cream); }
.gs-project-gallery { display: grid; grid-template-columns: 1.25fr .75fr 1fr; grid-auto-rows: 22rem; gap: .75rem; }
.gs-project-gallery figure { position: relative; margin: 0; overflow: hidden; background: #d6dbd4; }
.gs-project-gallery .is-wide { grid-column: span 2; }
.gs-project-gallery .is-earth { grid-column: span 2; }
.gs-project-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.gs-project-gallery figure:hover img { transform: scale(1.025); }
.gs-project-gallery figcaption { position: absolute; right: 0; bottom: 0; left: 0; padding: 1.2rem; color: white; background: linear-gradient(transparent,rgba(14,25,21,.82)); font-size: .64rem; line-height: 1.55; }
.gs-project-gallery figcaption span { display: block; margin-bottom: .45rem; color: var(--gs-lime); font-weight: 700; letter-spacing: .14em; }
.gs-downloads { display: grid; grid-template-columns: .75fr 1.25fr; margin-top: clamp(5rem,8vw,9rem); border-top: 1px solid var(--gs-line); border-bottom: 1px solid var(--gs-line); }
.gs-downloads > div:first-child { padding: 3rem 4rem 3rem 0; }
.gs-downloads h3 { margin: 1.4rem 0; font: 400 clamp(2.4rem,4vw,4.7rem)/1.1 STSong,"Noto Serif SC",serif; letter-spacing: -.04em; }
.gs-downloads p { max-width: 38rem; color: #616a65; font-size: .72rem; line-height: 1.9; }
.gs-download-list { border-left: 1px solid var(--gs-line); }
.gs-download-list a { display: grid; grid-template-columns: 3rem 1fr 1fr 2rem; gap: 1rem; align-items: center; min-height: 6.2rem; padding: 1rem 1.5rem; border-bottom: 1px solid var(--gs-line); text-decoration: none; transition: color .2s,background .2s; }
.gs-download-list a:last-child { border-bottom: 0; }
.gs-download-list a:hover { color: white; background: var(--gs-green); }
.gs-download-list span { color: var(--gs-green); font: 700 .6rem/1 Arial,sans-serif; }
.gs-download-list a:hover span { color: var(--gs-lime); }
.gs-download-list strong { font-size: .72rem; }
.gs-download-list small { color: #717a75; font-size: .61rem; }
.gs-download-list a:hover small { color: rgba(255,255,255,.65); }
.gs-download-list i { justify-self: end; font: normal 1rem/1 Arial,sans-serif; }
.gs-final-cta { margin-top: clamp(5rem,9vw,10rem); padding: clamp(3rem,7vw,8rem); color: white; background: var(--gs-deep); }
.gs-final-cta p { margin: 0; color: var(--gs-lime); font-size: .68rem; font-weight: 700; letter-spacing: .12em; }
.gs-final-cta h2 { max-width: 12em; margin: 1.2rem 0 2.5rem; font: 400 clamp(2.8rem,5vw,5.8rem)/1.07 STSong,"Noto Serif SC",serif; letter-spacing: -.05em; }
.gs-final-cta a { display: inline-flex; gap: 4rem; padding: 1rem 1.2rem; color: var(--gs-ink); background: var(--gs-lime); font-size: .7rem; font-weight: 700; text-decoration: none; }
.gs-final-cta a i { font-style: normal; }
.gs-footer { color: var(--gs-ink); background: var(--gs-paper); border-top: 1px solid var(--gs-line); }

@media (max-width: 1180px) {
  .gs-hero { grid-template-columns: .9fr 1.1fr; }
  .gs-hero__gallery { grid-template-rows: minmax(0,1fr) 11rem; }
  .gs-route-grid { grid-template-columns: repeat(3,1fr); }
  .gs-route-grid a { min-height: 19rem; }
  .gs-carbon-table { grid-template-columns: repeat(3,1fr); }
  .gs-carbon-table__head { grid-column: 1/-1; min-height: auto !important; }
  .gs-product-grid > article { grid-template-columns: 1fr; }
  .gs-products-flat { grid-template-columns: repeat(2,1fr); }
  .gs-evidence-card { grid-template-rows: 18rem 1fr; }
  .gs-feature-pair article { grid-template-columns: 1fr; }
  .gs-feature-pair figure { height: 18rem; }
}

@media (max-width: 900px) {
  .gs-hero { grid-template-columns: 1fr; padding-top: 4.7rem; }
  .gs-hero__copy { order: 2; min-height: auto; padding: 4rem var(--gs-edge) 5rem; }
  .gs-hero__gallery { min-height: 65vh; }
  .gs-local-nav { top: 4.7rem; display: flex; overflow-x: auto; scrollbar-width: none; }
  .gs-local-nav a { min-width: 8rem; }
  .gs-section-head { grid-template-columns: 1fr; gap: 2rem; }
  .gs-route-grid { grid-template-columns: 1fr 1fr; }
  .gs-product-shelf { grid-template-columns: 1fr; }
  .gs-product-shelf > header { position: static; }
  .gs-environment { grid-template-columns: 1fr; }
  .gs-environment__image { height: 28rem; }
  .gs-carbon-table { grid-column: 1; }
  .gs-evidence-grid { grid-template-columns: 1fr; }
  .gs-catalogue-toolbar { top: 8.4rem; display: flex; overflow-x: auto; scrollbar-width: none; }
  .gs-catalogue-toolbar button { flex: 0 0 8.5rem; }
  .gs-product-picker { grid-template-columns: 9rem minmax(14rem,1fr) 5rem 6.5rem; }
  .gs-product-stage { min-height: 40rem; }
  .gs-product-stage__inner { padding-right: 2rem; padding-left: 2rem; }
  .gs-product-stage__copy { width: 48%; }
  .gs-product-modal__panel { grid-template-columns: 1fr; overflow-y: auto; }
  .gs-product-modal__visual { min-height: 19rem; }
  .gs-product-modal__content { overflow: visible; }
  .gs-evidence-card { grid-template-columns: .75fr 1.25fr; grid-template-rows: auto; }
  .gs-cert-matrix,.gs-feature-story,.gs-technology,.gs-downloads { grid-template-columns: 1fr; }
  .gs-cert-notes { grid-template-columns: 1fr; }
  .gs-product-grid { grid-template-columns: 1fr; }
  .gs-feature-story figure { min-height: 28rem; }
  .gs-feature-pair { grid-template-columns: 1fr; }
  .gs-project-gallery { grid-template-columns: 1fr 1fr; }
  .gs-project-gallery .is-wide,.gs-project-gallery .is-earth { grid-column: span 1; }
  .gs-download-list { border-top: 1px solid var(--gs-line); border-left: 0; }
}

@media (max-width: 620px) {
  .gs-hero__gallery { grid-template-rows: 23rem 10rem; min-height: 33rem; }
  .gs-hero__copy { padding-top: 3rem; }
  .gs-logo { width: 76%; margin-bottom: 1.8rem; }
  .gs-hero h1 { font-size: clamp(3rem,14vw,4.4rem); }
  .gs-hero__facts { grid-template-columns: 1fr; }
  .gs-hero__facts div + div { padding-left: 0; border-top: 1px solid var(--gs-line); border-left: 0; }
  .gs-section-head h2,.gs-environment__copy h2 { font-size: clamp(2.6rem,12vw,4rem); }
  .gs-route-grid { grid-template-columns: 1fr; }
  .gs-product-shelf__grid { grid-template-columns: 1fr; }
  .gs-route-grid a { min-height: 15rem; }
  .gs-route-grid small { margin-top: 2rem; }
  .gs-decision-strip { grid-template-columns: 1fr; gap: 1.5rem; }
  .gs-decision-strip ul { display: grid; }
  .gs-env-principles article { grid-template-columns: 2rem 1fr; }
  .gs-env-principles p { grid-column: 2; }
  .gs-carbon-reaction strong { font-size: 1.35rem; }
  .gs-carbon-reaction i { margin: 0 .35rem; }
  .gs-carbon-table { grid-template-columns: 1fr 1fr; }
  .gs-evidence-card { grid-template-columns: 1fr; grid-template-rows: 18rem 1fr; }
  .gs-cert-matrix__table { padding: .8rem; }
  .gs-cert-matrix__table > div { grid-template-columns: 1.4fr .8fr .8fr; }
  .gs-cert-matrix__table > div > * { padding: .65rem .45rem; font-size: .59rem; }
  .gs-product-group summary { grid-template-columns: 1fr auto; gap: .5rem; min-height: 7rem; }
  .gs-product-group summary span { grid-column: 1; }
  .gs-product-group summary h3 { grid-column: 1; }
  .gs-product-group summary b { display: none; }
  .gs-product-group summary i { grid-column: 2; grid-row: 1/3; }
  .gs-product-grid > article { min-height: auto; padding: 1.4rem; }
  .gs-product-picker { grid-template-columns: 1fr 4.6rem 6.2rem; min-height: 4rem; }
  .gs-product-picker label { display: none; }
  .gs-product-picker__control { border-left: 0; }
  .gs-product-picker select { padding-right: 2.5rem; padding-left: .9rem; font-size: .72rem; }
  .gs-product-picker__control::after { right: .8rem; }
  .gs-product-stage { display: grid; min-height: auto; overflow: visible; }
  .gs-product-stage__visual { position: relative; height: 17rem; grid-row: 1; }
  .gs-product-stage__visual::after { display: none; }
  .gs-product-stage__visual.is-pack img { object-position: center; }
  .gs-product-stage__visual.is-pack img { position: static; width: 100%; }
  .gs-product-stage__visual figcaption { right: .7rem; bottom: .7rem; }
  .gs-product-stage__inner { grid-row: 2; min-height: auto; padding: 2.1rem 1.25rem 2.4rem; background: #fff; }
  .gs-product-stage__copy { width: 100%; }
  .gs-product-stage h3 { font-size: clamp(2.5rem,12vw,3.8rem); }
  .gs-product-stage__intro { max-width: none; font-size: .76rem; }
  .gs-product-stage__facts div { grid-template-columns: 6.5rem 1fr; }
  .gs-product-stage__actions { display: block; }
  .gs-product-stage__detail { width: 100%; }
  .gs-product-modal { align-items: end; padding: 0; }
  .gs-product-modal__panel { width: 100%; max-height: 92vh; }
  .gs-product-modal__visual { min-height: 14rem; }
  .gs-product-modal__content { padding: 1.6rem 1.25rem 2rem; }
  .gs-product-modal__data { grid-template-columns: 1fr 1fr; }
  .gs-product-modal__detail { grid-template-columns: 1fr; }
  .gs-product-modal__detail > div + div { padding-left: 0; border-left: 0; }
  .gs-product-grid h4 { margin-top: 1.6rem; }
  .gs-compact-products article { grid-template-columns: 2rem 1fr; gap: .7rem; }
  .gs-compact-products strong { grid-column: 2; justify-self: start; text-align: left; }
  .gs-feature-story figure { min-height: 22rem; }
  .gs-feature-pair article { min-height: auto; }
  .gs-project-gallery { grid-template-columns: 1fr; grid-auto-rows: 19rem; }
  .gs-downloads > div:first-child { padding-right: 0; }
  .gs-download-list a { grid-template-columns: 2rem 1fr 1.5rem; }
  .gs-download-list small { grid-column: 2; }
  .gs-download-list i { grid-column: 3; grid-row: 1/3; }
}

@media (prefers-reduced-motion: reduce) {
  .gs-page * { scroll-behavior: auto !important; transition: none !important; }
}

/* Final typography and image-position refinement */
.gs-section-head h2,.gs-environment__copy h2 { font-size: clamp(2.3rem,3.45vw,3.65rem); line-height: 1.12; letter-spacing: -.035em; }
.gs-section-head > p { max-width: 39rem; font-size: .9rem; line-height: 1.85; }
.gs-route-grid h3 { font-size: 1.38rem; }
.gs-route-grid p { font-size: .76rem; line-height: 1.8; }
.gs-route-grid b { font-size: .64rem; }
.gs-decision-strip p,.gs-decision-strip li { font-size: .72rem; }
.gs-catalogue-toolbar button { font-size: .7rem; }
.gs-product-picker label span { font-size: .78rem; }
.gs-product-picker select { font-size: .88rem; }
.gs-product-stage__copy { width: min(32.5rem,46%); }
.gs-product-stage__index { font-size: .62rem; }
.gs-product-stage__package { font-size: .78rem; }
.gs-product-stage h3 { font-size: clamp(2.65rem,4.1vw,4rem); }
.gs-product-stage__copy > strong { font-size: .96rem; }
.gs-product-stage__intro { font-size: .84rem; line-height: 1.9; }
.gs-product-stage__copy h4 { font-size: .72rem; }
.gs-product-stage__facts dt { font-size: .68rem; }
.gs-product-stage__facts dd { font-size: .72rem; }
.gs-product-stage__detail { font-size: .72rem; }
.gs-product-benefits h5 { font-size: .78rem; }
.gs-product-benefits p { font-size: .68rem; line-height: 1.65; }
.gs-catalogue-note { font-size: .76rem; }
.gs-environment__image img { object-position: 50% 42%; }
.gs-env-principles h3 { font-size: 1.08rem; }
.gs-env-principles p { font-size: .77rem; line-height: 1.85; }
.gs-carbon-reaction p,.gs-carbon-table__head p,.gs-carbon-table__note { font-size: .72rem; }
.gs-evidence-card { grid-template-rows: 19rem 1fr; }
.gs-evidence-card figure { align-items: center; padding: 1.1rem; background: #f8f9f7; }
.gs-evidence-card figure img,.gs-evidence-card.is-current figure img,.gs-evidence-card.is-archive figure img { width: 100%; height: 100%; padding: 0; object-fit: contain; object-position: center; }
.gs-evidence-card > div { padding: 1.65rem; }
.gs-evidence-card small { font-size: .6rem; }
.gs-evidence-card h3 { font: 500 1.55rem/1.25 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.02em; }
.gs-evidence-card dt { font-size: .62rem; }
.gs-evidence-card dd { font-size: .76rem; }
.gs-evidence-card p { min-height: 6.8em; font-size: .75rem; line-height: 1.85; }
.gs-evidence-card a { font-size: .7rem; }
.gs-cert-matrix__intro h3 { font: 500 clamp(2rem,3vw,3.2rem)/1.15 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.035em; }
.gs-cert-matrix__intro p,.gs-cert-matrix__table > div > * { font-size: .74rem; }
.gs-cert-notes strong { font-size: 1.05rem; }
.gs-cert-notes p { font-size: .75rem; line-height: 1.8; }
.gs-feature-story { grid-template-columns: 1fr 1fr; }
.gs-feature-story figure { min-height: 34rem; }
.gs-feature-story figure img { object-position: center 50%; }
.gs-feature-story > div { padding: clamp(2.4rem,4vw,4.4rem); }
.gs-feature-story h3 { font: 500 clamp(2.2rem,3.3vw,3.55rem)/1.12 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.035em; }
.gs-feature-story p { font-size: .84rem; line-height: 1.9; }
.gs-feature-story li { font-size: .76rem; }
.gs-feature-story a,.gs-feature-pair a { font-size: .72rem; }
.gs-feature-pair article { grid-template-columns: 1fr 1fr; min-height: 23rem; }
.gs-feature-pair figure img { object-position: center; }
.gs-feature-pair article:first-child figure img { object-position: 55% center; }
.gs-feature-pair article:nth-child(2) figure img { object-position: 52% center; }
.gs-feature-pair article > div { padding: 1.8rem; }
.gs-feature-pair h3 { margin-top: 1.8rem; font: 500 1.7rem/1.25 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.025em; }
.gs-feature-pair p { font-size: .76rem; line-height: 1.85; }
.gs-feature-pair strong { font-size: .76rem; }
.gs-technology h3 { font: 500 clamp(2rem,3.1vw,3.35rem)/1.14 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.03em; }
.gs-technology p { color: #6e7772; font-size: .81rem; }
.gs-technology figure { min-height: 25rem; }
.gs-technology figure img { object-position: center; }
.gs-project-gallery img { object-position: center; }
.gs-project-gallery figure:nth-child(1) img { object-position: center 45%; }
.gs-project-gallery figure:nth-child(2) img { object-position: center 52%; }
.gs-project-gallery figure:nth-child(3) img { object-position: center 48%; }
.gs-project-gallery figure:nth-child(4) img { object-position: center 45%; }
.gs-project-gallery figure:nth-child(5) img { object-position: center 48%; }
.gs-project-gallery figure:nth-child(6) img { object-position: center 42%; }
.gs-project-gallery figcaption { font-size: .72rem; }
.gs-downloads h3 { font: 500 clamp(2rem,3.1vw,3.3rem)/1.14 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.03em; }
.gs-downloads p { font-size: .8rem; }
.gs-download-list strong { font-size: .78rem; }
.gs-download-list small { font-size: .65rem; }
.gs-final-cta h2 { font: 500 clamp(2.2rem,3.7vw,3.9rem)/1.12 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.035em; }
.gs-final-cta p,.gs-final-cta a { font-size: .75rem; }

@media (max-width: 900px) {
  .gs-evidence-card { grid-template-rows: 17rem 1fr; }
  .gs-feature-story figure { min-height: 28rem; }
}

@media (max-width: 620px) {
  .gs-section-head h2,.gs-environment__copy h2 { font-size: clamp(2.15rem,10.5vw,3.25rem); }
  .gs-section-head > p { font-size: .84rem; }
  .gs-product-stage__copy { width: 100%; }
  .gs-product-stage__intro { font-size: .8rem; }
  .gs-evidence-card { grid-template-rows: 15rem 1fr; }
  .gs-evidence-card figure { padding: .8rem; }
  .gs-feature-story figure { min-height: 21rem; }
  .gs-feature-story h3 { font-size: 2.35rem; }
  .gs-feature-pair h3 { font-size: 1.55rem; }
}

/* 2026-07 Graphenstone official visual language */
.gs-page { color: #555; background: #fff; font-family: Arial,"Microsoft YaHei",sans-serif; }
.gs-page .site-header.scrolled { background: rgba(255,255,255,.96); }
.gs-page .site-header:not(.scrolled)::before { background: linear-gradient(rgba(255,255,255,.96),rgba(255,255,255,.72),transparent); }
.gs-kicker,.gs-index { color: #74c095; font: 700 .67rem/1.4 Arial,sans-serif; letter-spacing: .18em; }
.gs-hero { position: relative; display: flex; align-items: center; min-height: 46rem; padding: 7rem var(--gs-edge) 4rem; overflow: hidden; background: #f4f4f4; }
.gs-hero__copy { position: relative; z-index: 3; display: block; width: min(43rem,52%); padding: clamp(2.4rem,4vw,4.5rem); background: rgba(255,255,255,.94); box-shadow: 0 1.2rem 4rem rgba(33,55,45,.1); }
.gs-logo { width: min(18rem,72%); margin: 0 0 2rem; }
.gs-breadcrumb { margin-bottom: 2rem; font-size: .64rem; }
.gs-hero h1 { max-width: none; margin: 1rem 0 1.35rem; color: #5a5a5a; font: 500 clamp(2.8rem,4vw,3.75rem)/1.08 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.045em; }
.gs-hero h1 em { color: #74c095; }
.gs-lead { color: #666; font-size: .82rem; line-height: 1.9; letter-spacing: .025em; }
.gs-hero__facts { margin-top: 2rem; border-color: #d9dfdc; }
.gs-hero__facts strong { color: #74c095; font: 600 1rem/1.2 Arial,"Microsoft YaHei",sans-serif; }
.gs-hero__facts span { color: #777; font-size: .58rem; }
.gs-arrow-link { color: #5f9f7d; }
.gs-hero__gallery { position: absolute; z-index: 0; inset: 0; display: block; min-height: 0; background: #e9eeea; }
.gs-hero__gallery figure { display: none; }
.gs-hero__gallery .gs-hero__main { display: block; width: 100%; height: 100%; }
.gs-hero__gallery .gs-hero__main::after { position: absolute; inset: 0; background: linear-gradient(90deg,rgba(246,248,246,.22),rgba(246,248,246,0) 65%); content: ""; }
.gs-hero__gallery img { object-position: center; filter: saturate(.82) brightness(1.03); }
.gs-hero__gallery figure:hover img { filter: saturate(.9) brightness(1.03); transform: none; }
.gs-local-nav { top: 4.35rem; border-color: #e2e5e3; background: rgba(255,255,255,.96); }
.gs-local-nav a { padding: 1rem .65rem; border-color: #e2e5e3; color: #666; font-size: .62rem; }
.gs-local-nav a:first-child { background: #4f4f4f; }
.gs-local-nav a:hover { background: #74c095; }
.gs-selector,.gs-catalogue,.gs-projects { width: min(90rem,100%); margin: 0 auto; padding: clamp(5rem,8vw,8rem) var(--gs-edge); background: #fff; }
.gs-section-head { gap: clamp(2.5rem,7vw,7rem); margin-bottom: clamp(2.8rem,4vw,4.5rem); }
.gs-section-head h2,.gs-environment__copy h2 { max-width: 13em; margin-top: .9rem; color: #575757; font: 500 clamp(2.4rem,4vw,4.4rem)/1.08 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.045em; }
.gs-section-head h2 span,.gs-environment__copy h2 span { color: #74c095; }
.gs-section-head > p { color: #777; font-size: .8rem; line-height: 1.9; }
.gs-route-grid { grid-template-columns: repeat(5,1fr); border-color: #dde2df; }
.gs-route-grid a { min-height: 13rem; padding: 1.45rem; border-color: #dde2df; background: #fff; }
.gs-route-grid a::before { display: none; }
.gs-route-grid a:hover { color: #fff; background: #74c095; transform: none; }
.gs-route-grid span { color: #74c095; }
.gs-route-grid small { margin-top: 1.7rem; }
.gs-route-grid h3 { margin: .65rem 0; color: #555; font: 500 1.28rem/1.25 Arial,"Microsoft YaHei",sans-serif; }
.gs-route-grid a:hover h3 { color: #fff; }
.gs-route-grid p { font-size: .68rem; line-height: 1.75; }
.gs-route-grid b { bottom: 1.35rem; left: 1.45rem; font-size: .58rem; }
.gs-decision-strip { margin-top: 1rem; padding: 1.5rem 1.8rem; color: #fff; background: #74c095; }
.gs-decision-strip p { color: #fff; }
.gs-decision-strip li::before { background: #fff; }
.gs-catalogue-toolbar { top: 8.45rem; margin-bottom: 0; border-color: #dde2df; background: rgba(255,255,255,.98); }
.gs-catalogue-toolbar button { min-height: 3.5rem; border-color: #dde2df; color: #666; font-size: .64rem; }
.gs-catalogue-toolbar button:hover,.gs-catalogue-toolbar button.is-active { background: #74c095; }
.gs-products-viewer { box-shadow: none; }
.gs-product-stage { --stage-accent: #74c095; min-height: clamp(34rem,44vw,41rem); }
.gs-product-stage--exterior,.gs-product-stage--functional,.gs-product-stage--complementary,.gs-product-stage--earth { --stage-accent: #74c095; }
.gs-product-stage__visual::after { background: linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.72) 36%,rgba(255,255,255,0) 58%); }
.gs-product-stage h3 { color: #74c095; font-weight: 500; }
.gs-product-benefits { display: grid; grid-template-columns: repeat(6,1fr); padding: 3.6rem clamp(1.5rem,4vw,4rem); border: 1px solid #dde2df; border-top: 0; background: #fff; }
.gs-product-benefits article { min-width: 0; padding: 0 1rem; text-align: center; }
.gs-product-benefits article + article { border-left: 1px solid #e4e8e6; }
.gs-product-benefits span { display: grid; place-items: center; width: 3.6rem; height: 3.6rem; margin: 0 auto 1.1rem; border: 1px solid #74c095; border-radius: 50%; color: #74c095; font: 600 .78rem/1 Arial,sans-serif; }
.gs-product-benefits h5 { margin: 0; color: #606060; font: 600 .72rem/1.35 Arial,"Microsoft YaHei",sans-serif; }
.gs-product-benefits p { margin: .65rem 0 0; color: #858585; font-size: .61rem; line-height: 1.65; }
.gs-catalogue-note { border-left-color: #74c095; color: #777; background: #f5f7f5; }
.gs-environment { grid-template-columns: 1fr 1fr; color: #555; background: #f4f6f4; }
.gs-environment__image { height: 37rem; }
.gs-environment__copy { padding: clamp(4.5rem,7vw,7rem) var(--gs-edge); }
.gs-environment__copy .gs-index { color: #74c095; }
.gs-env-principles { border-color: #d8dfdb; }
.gs-env-principles article { grid-template-columns: 2.2rem 8.5rem 1fr; border-color: #d8dfdb; }
.gs-env-principles span { color: #74c095; }
.gs-env-principles h3 { color: #5b5b5b; font: 600 1rem/1.35 Arial,"Microsoft YaHei",sans-serif; }
.gs-env-principles p { color: #777; }
.gs-carbon-reaction { color: #555; background: #dceee5; }
.gs-carbon-table { background: #5f9f7d; }
.gs-carbon-table__note { background: #4f8d6e; }
.gs-evidence { padding: clamp(5rem,8vw,8rem) var(--gs-edge); color: #555; background: #f4f6f4; }
.gs-section-head--light .gs-index { color: #74c095; }
.gs-section-head--light h2 { color: #575757; }
.gs-section-head--light h2 span { color: #74c095; }
.gs-section-head--light > p { color: #777; }
.gs-evidence-grid { width: min(84rem,100%); margin: 0 auto; }
.gs-evidence-card { background: #fff; }
.gs-status { background: #74c095; }
.gs-cert-matrix { width: min(84rem,100%); margin-right: auto; margin-left: auto; background: #dceee5; }
.gs-cert-notes { width: min(84rem,100%); margin: 0 auto; border-color: #d9dfdc; }
.gs-cert-notes article { border-color: #d9dfdc; background: #fff; }
.gs-cert-notes strong { color: #5f9f7d; font-family: Arial,"Microsoft YaHei",sans-serif; }
.gs-cert-notes p { color: #777; }
.gs-flagships { color: #555; background: #fff; }
.gs-feature-story,.gs-feature-pair,.gs-technology { width: min(84rem,calc(100% - 2 * var(--gs-edge))); margin-right: auto; margin-left: auto; }
.gs-feature-story h3,.gs-feature-pair h3,.gs-technology h3 { color: #5b5b5b; font-family: Arial,"Microsoft YaHei",sans-serif; }
.gs-technology { background: #f1f5f2; }
.gs-projects { width: 100%; max-width: none; }
.gs-projects > * { width: min(84rem,100%); margin-right: auto; margin-left: auto; }
.gs-final-cta { color: #fff; background: #74c095; }
.gs-final-cta h2 { font-family: Arial,"Microsoft YaHei",sans-serif; }

@media (max-width: 900px) {
  .gs-hero { min-height: 42rem; padding: 6rem var(--gs-edge) 3rem; }
  .gs-hero__copy { width: min(34rem,72%); }
  .gs-product-benefits { grid-template-columns: repeat(3,1fr); gap: 0; }
  .gs-product-benefits article { padding: 1.3rem 1rem; border-bottom: 1px solid #e4e8e6; }
  .gs-product-benefits article:nth-child(4) { border-left: 0; }
}

@media (max-width: 620px) {
  .gs-hero { align-items: end; min-height: 45rem; padding: 5rem 0 0; }
  .gs-hero__gallery .gs-hero__main { height: 22rem; }
  .gs-hero__gallery { bottom: auto; height: 22rem; }
  .gs-hero__copy { width: 100%; margin-top: 17rem; padding: 2.2rem 1.25rem 3rem; box-shadow: none; }
  .gs-logo { width: 14rem; }
  .gs-hero h1 { font-size: clamp(2.45rem,12vw,3.6rem); }
  .gs-route-grid { grid-template-columns: 1fr; }
  .gs-route-grid a { min-height: 10.5rem; }
  .gs-product-stage { min-height: auto; }
  .gs-product-benefits { grid-template-columns: repeat(2,1fr); padding: 1rem .5rem; }
  .gs-product-benefits article:nth-child(odd) { border-left: 0; }
  .gs-product-benefits article:nth-child(4) { border-left: 1px solid #e4e8e6; }
  .gs-product-benefits span { width: 3.2rem; height: 3.2rem; }
  .gs-environment { grid-template-columns: 1fr; }
  .gs-environment__image { height: 24rem; }
  .gs-env-principles article { grid-template-columns: 2rem 1fr; }
  .gs-env-principles p { grid-column: 2; }
}

/* Keep the final readable scale after the official-theme overrides above. */
.gs-section-head h2,.gs-environment__copy h2 { font-size: clamp(2.3rem,3.45vw,3.65rem); line-height: 1.12; letter-spacing: -.035em; }
.gs-section-head > p { max-width: 39rem; font-size: .9rem; line-height: 1.85; }
.gs-route-grid h3 { font-size: 1.38rem; }
.gs-route-grid p { font-size: .76rem; line-height: 1.8; }
.gs-route-grid b { font-size: .64rem; }
.gs-decision-strip p,.gs-decision-strip li { font-size: .72rem; }
.gs-catalogue-toolbar button { font-size: .7rem; }
.gs-product-picker label span { font-size: .78rem; }
.gs-product-picker select { font-size: .88rem; }
.gs-product-stage__copy { width: min(32.5rem,46%); }
.gs-product-stage h3 { font-size: clamp(2.65rem,4.1vw,4rem); }
.gs-product-stage__intro { font-size: .84rem; line-height: 1.9; }
.gs-product-benefits h5 { font-size: .78rem; }
.gs-product-benefits p { font-size: .68rem; line-height: 1.65; }
.gs-env-principles h3 { font-size: 1.08rem; }
.gs-env-principles p { font-size: .77rem; line-height: 1.85; }

@media (max-width: 620px) {
  .gs-section-head h2,.gs-environment__copy h2 { font-size: clamp(2.15rem,10.5vw,3.25rem); }
  .gs-section-head > p { font-size: .84rem; }
  .gs-product-stage__copy { width: 100%; }
  .gs-product-stage__intro { font-size: .8rem; }
}

.gs-cert-matrix__intro h3 { font-size: clamp(2rem,2.65vw,2.65rem); }
.gs-product-modal__content h2 { font: 500 clamp(2.45rem,3.6vw,4rem)/1.08 Arial,Helvetica,sans-serif; letter-spacing: -.035em; }
.gs-product-modal__lead { font-size: .84rem; line-height: 1.9; }
.gs-product-modal__data dt { font-size: .63rem; }
.gs-product-modal__data dd { font-size: .76rem; }
.gs-product-modal__detail p,.gs-product-modal__source { font-size: .75rem; line-height: 1.8; }
.gs-product-modal__visual.is-product-pack img { padding: 0; object-fit: contain; transform: scale(1.1); }

@media (max-width: 620px) {
  .gs-hero h1 { font-size: 2.45rem; line-height: 1.1; letter-spacing: -.04em; }
  .gs-section-head h2,.gs-environment__copy h2 { font-size: 2.2rem; line-height: 1.14; }
  .gs-catalogue-toolbar { position: relative; top: auto; }
  .gs-product-stage__visual { height: 19rem; }
  .gs-product-modal__content h2 { font-size: 2.35rem; }
  .gs-product-modal__visual.is-product-pack img { transform: scale(1.05); }
}

/* Graphene technology banner */
.gs-technology { position: relative; display: block; min-height: 31rem; overflow: hidden; background: #dfe9e3; }
.gs-technology figure { position: absolute; inset: 0; min-height: 0; margin: 0; background: #dfe9e3; }
.gs-technology figure::after { position: absolute; inset: 0; background: linear-gradient(90deg,rgba(223,233,227,.15) 0%,rgba(223,233,227,.08) 47%,rgba(30,53,44,.08) 100%); content: ""; }
.gs-technology figure img { width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .58; filter: grayscale(1) brightness(1.38) contrast(.72); }
.gs-technology > div { position: relative; z-index: 2; width: min(40rem,52%); min-height: 31rem; padding: clamp(3rem,5vw,5rem); background: rgba(250,252,250,.93); }
.gs-technology .gs-index { color: #74c095; }
.gs-technology h3 { max-width: 10em; margin: 1.2rem 0 1.5rem; color: #575d59; font: 500 clamp(2.25rem,3.2vw,3.35rem)/1.14 Arial,"Microsoft YaHei",sans-serif; letter-spacing: -.035em; }
.gs-technology p { max-width: 36rem; margin: 0; color: #6b746f; font-size: .84rem; line-height: 1.9; }
.gs-technology__points { display: grid; gap: 0; margin: 2rem 0 0; padding: 0; border-top: 1px solid #cfd8d3; list-style: none; }
.gs-technology__points li { position: relative; padding: .85rem 0 .85rem 1.2rem; border-bottom: 1px solid #cfd8d3; color: #58635d; font-size: .75rem; }
.gs-technology__points li::before { position: absolute; top: 1.15rem; left: 0; width: .38rem; height: .38rem; border-radius: 50%; background: #74c095; content: ""; }

@media (max-width: 620px) {
  .gs-technology { display: flex; flex-direction: column; min-height: 0; }
  .gs-technology figure { position: relative; order: -1; height: 16rem; }
  .gs-technology > div { width: 100%; min-height: 0; padding: 2.5rem 1.4rem 3rem; }
  .gs-technology h3 { font-size: 2.05rem; line-height: 1.16; }
}

/* Compact vertical rhythm across the complete Graphenstone page */
.gs-hero { min-height: 42rem; padding-top: 6rem; padding-bottom: 3rem; }
.gs-hero__copy { padding: clamp(2.2rem,3.2vw,3.4rem); }
.gs-selector,.gs-catalogue,.gs-projects { padding-top: clamp(3.8rem,5.5vw,5.6rem); padding-bottom: clamp(3.8rem,5.5vw,5.6rem); }
.gs-section-head { margin-bottom: clamp(2.1rem,3vw,3.2rem); }
.gs-route-grid a { min-height: 10.8rem; padding: 1.25rem; }
.gs-route-grid small { margin-top: 1.2rem; }
.gs-route-grid b { bottom: 1.1rem; left: 1.25rem; }
.gs-decision-strip { margin-top: .75rem; padding-top: 1.15rem; padding-bottom: 1.15rem; }
.gs-product-picker { min-height: 4rem; }
.gs-product-stage { min-height: clamp(32rem,40vw,36rem); }
.gs-product-stage__inner { padding-top: clamp(2.4rem,3.5vw,3.4rem); padding-bottom: clamp(2.4rem,3.5vw,3.4rem); }
.gs-product-stage__intro { margin-top: .9rem; }
.gs-product-stage__copy h4 { margin-top: 1.35rem; }
.gs-product-stage__facts div { padding-top: .48rem; padding-bottom: .48rem; }
.gs-product-stage__actions { margin-top: 1.2rem; }
.gs-product-benefits { padding-top: 2.25rem; padding-bottom: 2.25rem; }
.gs-product-benefits span { margin-bottom: .8rem; }
.gs-catalogue-note { margin-top: 1.25rem; padding: 1rem 1.2rem; }
.gs-environment__image { height: 32rem; }
.gs-carbon-reaction { padding-top: clamp(1.7rem,2.6vw,2.6rem); padding-bottom: clamp(1.7rem,2.6vw,2.6rem); }
.gs-environment__copy { padding-top: clamp(3.6rem,5vw,5.2rem); padding-bottom: clamp(3.6rem,5vw,5.2rem); }
.gs-env-principles article { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.gs-carbon-table > div { min-height: 7.7rem; padding: 1.15rem; }
.gs-carbon-table strong { margin-top: 1.45rem; }
.gs-evidence { padding-top: clamp(3.8rem,5.5vw,5.6rem); padding-bottom: clamp(3.8rem,5.5vw,5.6rem); }
.gs-evidence-card { grid-template-rows: 16rem 1fr; }
.gs-evidence-card > div { padding: 1.4rem; }
.gs-evidence-card small { margin-top: 1rem; }
.gs-evidence-card h3 { margin-top: .65rem; margin-bottom: .9rem; }
.gs-evidence-card p { min-height: auto; margin: .95rem 0; }
.gs-cert-matrix { margin-top: .75rem; }
.gs-cert-matrix__intro { padding: clamp(2.2rem,3.4vw,3.5rem); }
.gs-cert-notes article { padding: 1.35rem; }
.gs-flagships { padding-top: clamp(3.8rem,5.5vw,5.6rem); padding-bottom: clamp(3.8rem,5.5vw,5.6rem); }
.gs-feature-story figure { min-height: 30rem; }
.gs-feature-story > div { padding: clamp(2.2rem,3.4vw,3.6rem); }
.gs-feature-story h3 { margin-top: 1rem; margin-bottom: 1.25rem; }
.gs-feature-story ul { margin-top: 1.4rem; margin-bottom: 1.4rem; }
.gs-feature-story li { padding-top: .7rem; padding-bottom: .7rem; }
.gs-feature-pair article { min-height: 20rem; }
.gs-feature-pair article > div { padding: 1.5rem; }
.gs-feature-pair h3 { margin-top: 1.35rem; margin-bottom: .8rem; }
.gs-feature-pair strong { margin-top: 1rem; }
.gs-technology { min-height: 27rem; }
.gs-technology > div { min-height: 27rem; padding: clamp(2.5rem,3.8vw,4rem); }
.gs-technology h3 { margin-top: 1rem; margin-bottom: 1.15rem; }
.gs-technology__points { margin-top: 1.35rem; }
.gs-project-gallery { grid-auto-rows: 18rem; }
.gs-downloads { margin-top: clamp(3.4rem,5vw,5rem); }
.gs-downloads > div:first-child { padding-top: 2.4rem; padding-bottom: 2.4rem; }
.gs-download-list a { min-height: 5.1rem; padding-top: .75rem; padding-bottom: .75rem; }
.gs-final-cta { margin-top: clamp(3.4rem,5vw,5rem); padding: clamp(2.8rem,4.5vw,4.8rem); }
.gs-final-cta h2 { margin-top: 1rem; margin-bottom: 1.8rem; }

@media (max-width: 620px) {
  .gs-hero { min-height: 42rem; }
  .gs-hero__copy { padding-top: 1.9rem; padding-bottom: 2.2rem; }
  .gs-selector,.gs-catalogue,.gs-projects { padding-top: 3rem; padding-bottom: 3rem; }
  .gs-section-head { margin-bottom: 1.9rem; }
  .gs-route-grid a { min-height: 9rem; padding: 1.1rem; }
  .gs-decision-strip { padding: 1.1rem; }
  .gs-product-stage__visual { height: 17rem; }
  .gs-product-stage__inner { padding-top: 1.75rem; padding-bottom: 1.9rem; }
  .gs-product-benefits { padding-top: .65rem; padding-bottom: .65rem; }
  .gs-product-benefits article { padding-top: 1rem; padding-bottom: 1rem; }
  .gs-environment__image { height: 20rem; }
  .gs-environment__copy { padding-top: 3rem; padding-bottom: 3rem; }
  .gs-carbon-table > div { min-height: 6.5rem; }
  .gs-evidence { padding-top: 3rem; padding-bottom: 3rem; }
  .gs-evidence-card { grid-template-rows: 13rem 1fr; }
  .gs-evidence-card > div { padding: 1.2rem; }
  .gs-cert-matrix__intro { padding: 2rem 1.3rem; }
  .gs-flagships { padding-top: 3rem; padding-bottom: 3rem; }
  .gs-feature-story figure { min-height: 18rem; }
  .gs-feature-story > div { padding: 2rem 1.3rem; }
  .gs-feature-pair figure { height: 15rem; }
  .gs-feature-pair article > div { padding: 1.35rem; }
  .gs-technology figure { height: 13rem; }
  .gs-technology > div { padding-top: 2rem; padding-bottom: 2.3rem; }
  .gs-project-gallery { grid-auto-rows: 16rem; }
  .gs-downloads { margin-top: 3rem; }
  .gs-downloads > div:first-child { padding-top: 2rem; padding-bottom: 2rem; }
  .gs-download-list a { min-height: 4.8rem; }
  .gs-final-cta { margin-top: 3rem; padding: 2.5rem 1.3rem; }
}

/* Ecosphere packaging family: four listed capacities, aligned on one baseline. */
.gs-product-stage__visual.is-pack-set { background: #fff; }
.gs-product-stage__visual.is-pack-set::after { background: linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.84) 37%,rgba(255,255,255,.08) 61%,rgba(255,255,255,0) 100%); }
.gs-pack-family { position: absolute; z-index: 1; right: clamp(2rem,5vw,5.5rem); bottom: 2.6rem; display: flex; justify-content: flex-end; align-items: flex-end; gap: clamp(.35rem,.9vw,.85rem); width: min(48rem,57%); }
.gs-pack-family__item { display: flex; flex: 0 0 auto; flex-direction: column; align-items: center; gap: .45rem; }
.gs-pack-family__can { position: relative; display: block; width: 100%; overflow: hidden; filter: drop-shadow(0 .8rem .65rem rgba(40,55,48,.11)); }
.gs-pack-family__can img { display: block; width: 100%; height: 100%; object-fit: contain; object-position: center bottom; }
.gs-pack-family__item b { color: #66736d; font: 700 .56rem/1 Arial,sans-serif; letter-spacing: .1em; }
.gs-pack-family__item--15 { width: 11.6rem; }
.gs-pack-family__item--15 .gs-pack-family__can { height: 15.1rem; }
.gs-pack-family__item--125 { width: 10.5rem; }
.gs-pack-family__item--125 .gs-pack-family__can { height: 13.65rem; }
.gs-pack-family__item--4 { width: 7.25rem; }
.gs-pack-family__item--4 .gs-pack-family__can { height: 9.45rem; }
.gs-pack-family__item--1 { width: 4.8rem; }
.gs-pack-family__item--1 .gs-pack-family__can { height: 6.25rem; }
.gs-product-stage--product-gcs-interior .gs-product-stage__visual.is-pack-set,
.gs-product-stage--product-grafclean .gs-product-stage__visual.is-pack-set { background: linear-gradient(90deg,#fff 0 45%,#f4f1e8 45% 100%); }
.gs-pack-family--gcs .gs-pack-family__can,
.gs-pack-family--grafclean .gs-pack-family__can { filter: none; }
.gs-pack-family--gcs .gs-pack-family__can img,
.gs-pack-family--grafclean .gs-pack-family__can img { width: 240%; max-width: none; height: auto; transform: translate(-13%,-10.5%); }

@media (max-width: 900px) {
  .gs-pack-family { right: 1.4rem; width: 50%; gap: .2rem; }
  .gs-pack-family__item--15 { width: 8.7rem; }
  .gs-pack-family__item--15 .gs-pack-family__can { height: 11.3rem; }
  .gs-pack-family__item--125 { width: 7.8rem; }
  .gs-pack-family__item--125 .gs-pack-family__can { height: 10.15rem; }
  .gs-pack-family__item--4 { width: 5.3rem; }
  .gs-pack-family__item--4 .gs-pack-family__can { height: 6.9rem; }
  .gs-pack-family__item--1 { width: 3.6rem; }
  .gs-pack-family__item--1 .gs-pack-family__can { height: 4.7rem; }
}

@media (max-width: 620px) {
  .gs-product-stage__visual.is-pack-set { height: 18rem; }
  .gs-product-stage__visual.is-pack-set::after { display: none; }
  .gs-pack-family { right: 50%; bottom: 1.6rem; justify-content: center; width: 100%; gap: .1rem; transform: translateX(50%); }
  .gs-pack-family__item { gap: .25rem; }
  .gs-pack-family__item--15 { width: 7rem; }
  .gs-pack-family__item--15 .gs-pack-family__can { height: 9.1rem; }
  .gs-pack-family__item--125 { width: 6.3rem; }
  .gs-pack-family__item--125 .gs-pack-family__can { height: 8.2rem; }
  .gs-pack-family__item--4 { width: 4.35rem; }
  .gs-pack-family__item--4 .gs-pack-family__can { height: 5.65rem; }
  .gs-pack-family__item--1 { width: 2.9rem; }
  .gs-pack-family__item--1 .gs-pack-family__can { height: 3.8rem; }
  .gs-pack-family__item b { font-size: .48rem; }
}

/* Balanced editorial grid for colour and project photography. */
.gs-project-gallery { grid-template-columns: repeat(6,minmax(0,1fr)); grid-auto-rows: 18rem; gap: 1rem; }
.gs-project-gallery figure { grid-column: span 2; }
.gs-project-gallery figure:nth-child(1),.gs-project-gallery figure:nth-child(2) { grid-column: span 3; }
.gs-project-gallery .is-earth { grid-column: 1 / -1; height: 16rem; }
.gs-project-gallery figcaption { padding: 2.6rem 1.25rem 1.15rem; }

@media (max-width: 900px) {
  .gs-project-gallery { grid-template-columns: repeat(2,minmax(0,1fr)); grid-auto-rows: 16rem; }
  .gs-project-gallery figure,.gs-project-gallery figure:nth-child(1),.gs-project-gallery figure:nth-child(2) { grid-column: span 1; }
  .gs-project-gallery .is-earth { grid-column: 1 / -1; height: 15rem; }
}

@media (max-width: 620px) {
  .gs-project-gallery { grid-template-columns: 1fr; gap: .75rem; }
  .gs-project-gallery figure,.gs-project-gallery figure:nth-child(1),.gs-project-gallery figure:nth-child(2),.gs-project-gallery .is-earth { grid-column: span 1; height: 16rem; }
}

/* AmbientPro+ flagship packaging, placed in the existing copy-side whitespace. */
.gs-feature-story--ambient > div { position: relative; padding-bottom: 10.5rem; }
.gs-feature-story--ambient figure { background: #f5f5f5; }
.gs-ambient-official-visuals { display: grid; grid-template-columns: 2fr 1fr; gap: 1px; background: #fff; }
.gs-ambient-official-visuals > span { min-width: 0; overflow: hidden; }
.gs-ambient-official-visuals > span > img { width: 100%; height: 100%; object-fit: cover; }
.gs-ambient-official-visuals__main > img { object-position: 43% center; }
.gs-ambient-official-visuals__side > img { object-position: center; }
.gs-feature-story-pack-original { position: absolute; right: clamp(1.2rem,2.2vw,2.2rem); bottom: .65rem; width: 17.5rem; height: auto; }

@media (max-width: 620px) {
  .gs-feature-story--ambient > div { padding-bottom: 9.5rem; }
  .gs-feature-story-pack-original { right: 1rem; width: 13.5rem; }
}