:root {
  --ink: #1a1d1c;
  --muted: #5d645f;
  --line: #d9ded9;
  --paper: #f4f6f3;
  --deep: #112a25;
  --accent: #e6ff49;
  --white: #ffffff;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif; font-size: 16px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.sr-only { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 99; padding: 8px 12px; transform: translateY(-200%); background: var(--accent); color: var(--ink); font-weight: 700; }
.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(calc(100% - 64px), var(--max)); margin-inline: auto; }
.eyebrow, .card-kicker, .case-label { margin: 0; color: #4d5b55; font-size: .72rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }

.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 28px; min-height: 82px; padding: 0 max(32px, calc((100vw - var(--max)) / 2)); border-bottom: 1px solid rgba(217, 222, 217, .9); background: rgba(244, 246, 243, .92); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-mark { display: grid; grid-template-columns: repeat(2, 10px); gap: 3px; }
.brand-mark i { display: block; height: 26px; background: var(--deep); transform: skewY(-22deg); }
.brand-mark i:nth-child(2) { background: #68867c; transform: skewY(22deg); }
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: 1rem; letter-spacing: .08em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: .47rem; font-weight: 700; letter-spacing: .11em; }
.site-nav { display: flex; align-items: center; justify-content: center; gap: 26px; flex: 1; font-size: .88rem; font-weight: 700; }
.site-nav a { position: relative; padding: 29px 0; }
.site-nav a::after { position: absolute; right: 0; bottom: 24px; left: 0; height: 2px; transform: scaleX(0); transform-origin: left; background: var(--deep); content: ""; transition: transform .2s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); }
.language-toggle { min-width: 44px; min-height: 36px; border: 1px solid var(--deep); background: transparent; color: var(--deep); font-size: .74rem; font-weight: 900; letter-spacing: .04em; }
.language-toggle:hover, .language-toggle:focus-visible { background: var(--deep); color: var(--white); }
.header-cta { min-width: max-content; padding: 10px 14px; background: var(--deep); color: var(--white); font-size: .78rem; font-weight: 800; }
.header-cta span, .button span, .text-link span, .product-card a span { display: inline-block; margin-left: 5px; transition: transform .2s ease; }
.header-cta:hover span, .button:hover span, .text-link:hover span, .product-card a:hover span { transform: translate(3px, -3px); }
.menu-toggle { display: none; border: 0; background: transparent; }

.hero { display: grid; grid-template-columns: .91fr 1.09fr; gap: 54px; align-items: center; min-height: 675px; padding-block: 70px; }
.hero-copy { max-width: 580px; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { max-width: 600px; margin: 19px 0 25px; font-size: clamp(3rem, 6vw, 5.55rem); line-height: .98; letter-spacing: -.075em; }
h1 em { color: #69857b; font-family: Georgia, serif; font-style: italic; font-weight: 500; }
.hero-lead { max-width: 540px; margin: 0; color: var(--muted); font-size: 1.04rem; line-height: 1.8; }
.hero-lead strong { color: var(--ink); }
.hero-actions { display: flex; gap: 20px; align-items: center; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border: 1px solid transparent; font-size: .86rem; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--deep); color: var(--white); }
.button-link { padding-inline: 0; border-bottom-color: var(--ink); }
.button-outline { border-color: var(--deep); color: var(--deep); }
.hero-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 61px 0 0; }
.hero-metrics div { border-top: 1px solid var(--line); padding-top: 12px; }
.hero-metrics dt { color: var(--deep); font-size: 1.05rem; font-weight: 900; }
.hero-metrics dd { margin: 3px 0 0; color: var(--muted); font-size: .74rem; }
.placeholder-block { position: relative; isolation: isolate; overflow: hidden; background: #dbe1dc; }
.placeholder-block::before { position: absolute; inset: 0; z-index: -1; background: linear-gradient(125deg, rgba(255,255,255,.3), transparent 34%), repeating-linear-gradient(126deg, transparent 0 35px, rgba(17,42,37,.06) 36px 37px); content: ""; }
.placeholder-block::after { position: absolute; right: 16px; bottom: 12px; color: #455b52; content: attr(data-label); font-size: .64rem; font-weight: 700; letter-spacing: .04em; text-align: right; }
.hero-visual { align-self: stretch; min-height: 510px; background: #cbd5cf; }
.hero-visual p { position: absolute; bottom: 50px; left: 44px; margin: 0; color: var(--deep); font-size: clamp(1.4rem, 2vw, 2.3rem); font-weight: 900; letter-spacing: -.04em; line-height: .9; }
.hero-visual p small { font-size: .42em; letter-spacing: .14em; }
.hero-grid { position: absolute; inset: 11% 9% 17% 36%; display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; transform: rotate(-8deg); }
.hero-grid span { border: 1px solid rgba(17,42,37,.4); background: rgba(244,246,243,.4); }
.hero-grid span:nth-child(2), .hero-grid span:nth-child(3) { background: var(--deep); }
.hero-grid span:nth-child(4) { background: var(--accent); }
.visual-index { position: absolute; top: 25px; right: 30px; color: #577067; font-size: 1rem; font-weight: 900; }
.hero-photo, .capability-photo, .case-photo { position: relative; overflow: hidden; }
.hero-photo > img, .capability-photo > img, .case-photo > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-photo::before, .hero-photo::after, .capability-photo::before, .capability-photo::after, .case-photo::before, .case-photo::after { display: none; }
.hero-photo p, .hero-photo .visual-index, .capability-photo p, .capability-photo > span, .case-photo > span, .case-photo > b { z-index: 1; color: var(--white); text-shadow: 0 2px 10px rgba(0,0,0,.72); }
.hero-photo p { padding: 8px 10px; background: rgba(17,42,37,.82); }
.hero-photo .visual-index { padding: 5px 8px; background: rgba(17,42,37,.82); }

.trust-bar { display: grid; grid-template-columns: repeat(4, 1fr); width: min(calc(100% - 64px), var(--max)); margin: 0 auto 124px; border-block: 1px solid var(--line); }
.trust-bar div { display: flex; gap: 15px; padding: 19px 15px; border-right: 1px solid var(--line); }
.trust-bar div:first-child { padding-left: 0; }
.trust-bar div:last-child { border: 0; }
.trust-bar span { color: #71867e; font-size: .75rem; font-weight: 800; }
.trust-bar p { margin: 0; font-size: .83rem; font-weight: 700; line-height: 1.35; }

.products { padding-bottom: 145px; }
.section-heading { max-width: 740px; }
.split-heading { display: flex; max-width: none; align-items: end; justify-content: space-between; gap: 48px; }
.split-heading > p { max-width: 345px; margin: 0 0 9px; color: var(--muted); font-size: .92rem; line-height: 1.7; }
h2 { margin: 13px 0 0; font-size: clamp(2.1rem, 4vw, 4rem); line-height: 1.05; letter-spacing: -.065em; }
.product-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 53px; border-bottom: 1px solid var(--line); }
.product-tabs button { padding: 12px 15px 14px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); font-size: .84rem; font-weight: 800; }
.product-tabs button.is-active { border-bottom-color: var(--deep); color: var(--ink); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.product-card { display: grid; gap: 20px; min-height: 410px; transition: opacity .2s ease, transform .2s ease; }
.product-card[hidden] { display: none; }
.product-card-featured { grid-column: span 2; grid-template-columns: 1.2fr .8fr; gap: 0; min-height: 500px; background: var(--deep); color: var(--white); }
.card-image { min-height: 270px; background: #cfd7d1; }
.card-image span { position: absolute; top: 18px; left: 18px; color: #496156; font-size: .67rem; font-weight: 800; letter-spacing: .09em; }
.card-image b { position: absolute; top: 14px; right: 17px; color: #71857d; font-size: 1rem; }
.product-card-featured .card-image { min-height: 500px; }
.card-copy { padding: 0 5px 14px; }
.product-card-featured .card-copy { display: flex; flex-direction: column; justify-content: end; padding: 37px 32px; }
.card-copy h3 { margin: 10px 0 9px; font-size: 1.45rem; letter-spacing: -.04em; line-height: 1.1; }
.card-copy h3 small { color: #7a8983; font-size: .55em; font-weight: 600; letter-spacing: .02em; }
.card-copy p:not(.card-kicker) { margin: 0; color: var(--muted); font-size: .85rem; }
.product-card-featured .card-copy p:not(.card-kicker) { color: #bac5bf; }
.product-card a { display: inline-block; margin-top: 19px; border-bottom: 1px solid currentColor; font-size: .78rem; font-weight: 800; }
.all-products { display: inline-block; margin-top: 36px; }
.text-link { border-bottom: 1px solid currentColor; font-size: .84rem; font-weight: 800; }
.featured-products { margin-top: 38px; padding: 20px; background: var(--deep); color: var(--white); }
.featured-products-heading { display: flex; align-items: baseline; gap: 14px; padding: 3px 3px 17px; }
.featured-products-heading .eyebrow { color: #a9bcb3; }
.featured-products-heading h3 { margin: 0; font-size: 1.15rem; letter-spacing: -.03em; }
.featured-products-heading span { margin-left: auto; color: #c0cec8; font-size: .78rem; }
.featured-product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.featured-product { overflow: hidden; background: var(--white); color: var(--ink); }
.featured-product > div { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 12px 14px; }
.featured-product p, .featured-product h4 { margin: 0; }
.featured-product p { color: #668077; font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.featured-product h4 { font-size: .92rem; letter-spacing: -.02em; }
.product-grid.product-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.product-card-gallery { display: block; min-height: 0; overflow: hidden; border: 1px solid var(--line); background: var(--white); }
.gallery-trigger { position: relative; display: block; width: 100%; aspect-ratio: 1; padding: 6px; overflow: hidden; border: 0; background: var(--white); cursor: zoom-in; }
.gallery-trigger img { display: block; width: 100%; height: 100%; object-fit: contain; }
.gallery-trigger span { position: absolute; right: 12px; bottom: 12px; padding: 5px 8px; background: rgba(17,42,37,.88); color: var(--white); font-size: .67rem; font-weight: 800; opacity: 0; transition: opacity .2s ease; }
.gallery-trigger:hover span, .gallery-trigger:focus-visible span { opacity: 1; }
.gallery-trigger:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
.gallery-copy { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 12px 13px 14px; }
.gallery-copy p, .gallery-copy h3 { margin: 0; }
.gallery-copy p { color: #668077; font-size: .7rem; font-weight: 800; letter-spacing: .08em; }
.gallery-copy h3 { color: var(--ink); font-size: .87rem; letter-spacing: -.02em; }
.image-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 28px; background: rgba(9,18,15,.84); opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.image-modal.is-open { opacity: 1; pointer-events: auto; }
.image-modal figure { width: min(760px, 100%); max-height: calc(100vh - 56px); margin: 0; }
.image-modal img { display: block; width: auto; max-width: 100%; max-height: calc(100vh - 106px); margin: 0 auto; background: var(--white); object-fit: contain; }
.image-modal figcaption { margin-top: 10px; color: var(--white); font-size: .84rem; font-weight: 800; text-align: center; }
.image-modal-close { position: fixed; top: 18px; right: 22px; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; background: transparent; color: var(--white); font-size: 1.8rem; line-height: 1; }
.image-modal-close:hover, .image-modal-close:focus-visible { background: var(--white); color: var(--deep); }

.capability-section { padding-block: 118px; background: var(--deep); color: var(--white); }
.capability-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: center; }
.capability-visual { min-height: 570px; background: #82988f; }
.capability-visual p { position: absolute; left: 30px; bottom: 29px; margin: 0; color: var(--deep); font-size: clamp(1.6rem, 3vw, 3rem); font-weight: 900; letter-spacing: -.06em; line-height: .9; }
.capability-visual span { position: absolute; top: 26px; right: 26px; color: #d9e6df; font-size: 1rem; font-weight: 900; }
.capability-copy .eyebrow { color: #a7bab1; }
.capability-copy > p:not(.eyebrow) { max-width: 520px; margin: 21px 0 0; color: #c4cfca; }
.capability-list { display: grid; gap: 0; margin: 36px 0 30px; border-top: 1px solid rgba(255,255,255,.25); }
.capability-list div { display: grid; grid-template-columns: 36px 1fr 1.2fr; align-items: center; gap: 12px; padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,.25); }
.capability-list span { color: var(--accent); font-size: .74rem; font-weight: 800; }
.capability-list h3, .capability-list p { margin: 0; }
.capability-list h3 { font-size: .94rem; }
.capability-list p { color: #b7c4bd; font-size: .78rem; }

.industries { padding-block: 135px; }
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 47px; border-top: 1px solid var(--line); }
.industry-grid article { min-height: 238px; padding: 21px 18px 20px 0; border-right: 1px solid var(--line); }
.industry-grid article:not(:first-child) { padding-left: 18px; }
.industry-grid article:last-child { border-right: 0; }
.industry-grid span { color: #779187; font-size: .73rem; font-weight: 800; }
.industry-grid h3 { margin: 42px 0 8px; font-size: 1.12rem; letter-spacing: -.03em; }
.industry-grid p { margin: 0; color: var(--muted); font-size: .82rem; }

.case-section { padding-block: 105px; background: #dce2dd; }
.case-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 62px; align-items: stretch; }
.case-copy { padding-block: 22px; }
.case-copy h2 { margin-block: 14px 37px; }
.case-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 35px; }
.case-columns div { border-top: 1px solid #aebbb4; padding-top: 11px; }
.case-columns span { font-size: .78rem; font-weight: 900; }
.case-columns p { margin: 8px 0 0; color: #53615b; font-size: .79rem; line-height: 1.65; }
.case-image { min-height: 465px; background: #98aba1; }
.case-image span { position: absolute; left: 27px; bottom: 25px; color: var(--deep); font-size: 1.4rem; font-weight: 900; letter-spacing: -.04em; }
.case-image b { position: absolute; top: 20px; right: 24px; color: #dbe8e1; font-size: 1rem; }

.about-section { padding-block: 133px; background: #f9faf8; }
.about-layout { display: grid; grid-template-columns: .6fr 1.05fr .65fr; gap: 45px; }
.about-layout > div p { max-width: 510px; margin: 20px 0 0; color: var(--muted); }
.about-layout dl { display: grid; gap: 19px; margin: 0; }
.about-layout dl div { border-top: 1px solid var(--line); padding-top: 9px; }
.about-layout dt { font-size: 1.35rem; font-weight: 900; letter-spacing: -.04em; }
.about-layout dd { margin: 2px 0 0; color: var(--muted); font-size: .76rem; }

.inquiry-section { padding-block: 110px; background: var(--accent); }
.inquiry-layout { display: grid; grid-template-columns: 1fr .92fr; gap: 80px; }
.inquiry-layout > div > p:not(.eyebrow) { max-width: 470px; margin: 22px 0 0; color: #405047; font-size: .87rem; }
.inquiry-form { display: grid; gap: 14px; }
.inquiry-form label { color: #384b41; font-size: .77rem; font-weight: 800; }
.inquiry-form input, .inquiry-form textarea { display: block; width: 100%; margin-top: 5px; border: 1px solid rgba(17,42,37,.35); border-radius: 0; background: rgba(255,255,255,.35); color: var(--ink); outline-offset: 2px; padding: 12px; }
.inquiry-form input:focus, .inquiry-form textarea:focus { outline: 2px solid var(--deep); }
.inquiry-form .button { justify-self: start; margin-top: 5px; }

.site-footer { background: var(--deep); color: var(--white); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 35px; min-height: 160px; }
.footer-brand .brand-copy small { color: #a5b6ae; }
.footer-top > p { max-width: 375px; margin: 0; color: #c1cec7; font-size: .79rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 17px; border-top: 1px solid rgba(255,255,255,.2); color: #a9bbb3; font-size: .7rem; }

@media (max-width: 900px) {
  .site-header { gap: 16px; min-height: 70px; padding-inline: 24px; }
  .menu-toggle { display: grid; gap: 4px; margin-left: auto; padding: 9px; }
  .menu-toggle span { display: block; width: 21px; height: 2px; background: var(--ink); }
  .site-nav { position: absolute; top: 70px; right: 0; left: 0; display: none; padding: 13px 24px 22px; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: grid; justify-content: start; gap: 0; }
  .site-nav a { padding: 10px 0; }
  .site-nav a::after { display: none; }
  .header-cta { display: none; }
  .language-toggle { order: 1; margin-left: auto; }
  .menu-toggle { order: 2; margin-left: 0; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-block: 60px; }
  .hero-visual { min-height: 425px; }
  .split-heading { display: grid; gap: 18px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid.product-gallery { grid-template-columns: repeat(2, 1fr); }
  .featured-product-grid { grid-template-columns: repeat(3, 1fr); }
  .product-card-featured { grid-column: span 2; }
  .capability-layout, .case-layout, .inquiry-layout { grid-template-columns: 1fr; }
  .capability-layout { gap: 48px; }
  .capability-visual { min-height: 390px; }
  .about-layout { grid-template-columns: .65fr 1.35fr; }
  .about-layout dl { grid-column: span 2; grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 620px) {
  .section-shell, .trust-bar { width: min(calc(100% - 40px), var(--max)); }
  .site-header { padding-inline: 20px; }
  .brand-copy strong { font-size: .9rem; }
  .hero { min-height: auto; padding-block: 46px; }
  h1 { font-size: clamp(2.85rem, 14vw, 4rem); }
  h2 { font-size: clamp(2rem, 10.5vw, 3rem); }
  .hero-metrics { gap: 9px; margin-top: 42px; }
  .hero-metrics dt { font-size: .89rem; }
  .hero-visual { min-height: 340px; }
  .trust-bar { grid-template-columns: repeat(2, 1fr); margin-bottom: 80px; }
  .trust-bar div { border-bottom: 1px solid var(--line); }
  .trust-bar div:nth-child(2), .trust-bar div:last-child { border-right: 0; }
  .products { padding-bottom: 86px; }
  .product-tabs { margin-top: 35px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-grid.product-gallery { grid-template-columns: 1fr; }
  .featured-products-heading { display: grid; gap: 6px; }
  .featured-products-heading span { margin-left: 0; }
  .featured-product-grid { grid-template-columns: 1fr; }
  .product-card-featured { grid-column: auto; grid-template-columns: 1fr; }
  .product-card-featured .card-image { min-height: 310px; }
  .product-card-featured .card-copy { min-height: 245px; }
  .capability-section, .industries, .about-section { padding-block: 82px; }
  .capability-list div { grid-template-columns: 28px 1fr; }
  .capability-list p { grid-column: 2; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid article:nth-child(2) { border-right: 0; }
  .industry-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .case-section, .inquiry-section { padding-block: 78px; }
  .case-layout { gap: 36px; }
  .case-columns { grid-template-columns: 1fr; gap: 14px; }
  .case-image { min-height: 340px; }
  .about-layout { grid-template-columns: 1fr; gap: 23px; }
  .about-layout dl { grid-column: auto; grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .about-layout dt { font-size: 1rem; }
  .inquiry-layout { gap: 35px; }
  .footer-top, .footer-bottom { align-items: start; flex-direction: column; gap: 20px; padding-block: 36px; }
  .footer-bottom { gap: 7px; }
}