:root {
  --red: #e1281e;
  --red-dark: #b91d15;
  --graphite: #202326;
  --graphite-soft: #2a2e32;
  --ink: #171a1d;
  --muted: #626a72;
  --line: #dfe3e6;
  --soft: #f3f5f6;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(18, 22, 25, 0.14);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--red); outline-offset: 4px; }
.shell { width: min(1240px, calc(100% - 3rem)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 0.75rem; left: 0.75rem; padding: 0.65rem 1rem; color: var(--white); background: var(--graphite); border-radius: 8px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.scroll-progress { position: fixed; z-index: 110; inset: 0 0 auto; height: 3px; }
.scroll-progress span { display: block; width: 0; height: 100%; background: var(--red); }

.site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid rgba(223,227,230,.9); background: rgba(255,255,255,.94); backdrop-filter: blur(16px); }
.header-inner { display: flex; min-height: 82px; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.brand img { width: 58px; height: 58px; object-fit: contain; }
.brand span { display: grid; line-height: 1.15; }
.brand strong { color: var(--graphite); font-size: 1.02rem; letter-spacing: .01em; }
.brand small { margin-top: .2rem; color: var(--muted); font-size: .67rem; font-weight: 650; letter-spacing: .075em; text-transform: uppercase; }
.desktop-nav { display: flex; align-items: center; gap: clamp(.85rem, 2vw, 1.8rem); }
.desktop-nav a { position: relative; padding: .6rem 0; color: #41474c; font-size: .86rem; font-weight: 700; text-decoration: none; }
.desktop-nav a::after { position: absolute; right: 0; bottom: .25rem; left: 0; height: 2px; content: ""; background: var(--red); transform: scaleX(0); transform-origin: right; transition: transform .22s ease; }
.desktop-nav a:hover::after, .desktop-nav a.active::after { transform: scaleX(1); transform-origin: left; }
.desktop-nav .nav-contact { padding: .65rem 1rem; color: var(--white); background: var(--graphite); border-radius: 999px; }
.desktop-nav .nav-contact::after { display: none; }
.desktop-nav .nav-contact:hover { background: var(--red); }
.language-switch { display: inline-flex; min-width: 62px; min-height: 42px; align-items: center; justify-content: center; gap: .4rem; color: var(--graphite); border: 1px solid var(--line); border-radius: 999px; background: var(--white); font-size: .8rem; font-weight: 800; line-height: 1; text-decoration: none; }
.language-switch span { font-size: 1rem; line-height: 1; }
.language-switch b { font-size: .76rem; letter-spacing: .05em; }
.language-switch:hover { color: var(--white); border-color: var(--red); background: var(--red); }
.desktop-nav .language-switch { padding: .55rem .75rem; }
.desktop-nav .language-switch::after { display: none; }
.menu-toggle, .mobile-nav { display: none; }
.back-link { color: var(--graphite); font-size: .9rem; font-weight: 750; text-decoration: none; }
.back-link::before { margin-right: .5rem; color: var(--red); content: "←"; }
.header-actions { display: flex; align-items: center; gap: 1rem; }

.hero { position: relative; min-height: calc(100vh - 82px); overflow: hidden; color: var(--white); background: var(--graphite); }
.hero::before { position: absolute; inset: 0; content: ""; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(110deg, black, transparent 75%); }
.hero::after { position: absolute; top: 0; right: -12vw; width: 32vw; height: 100%; content: ""; background: var(--red); transform: skewX(-12deg); opacity: .92; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(420px, .75fr); gap: clamp(2.5rem, 4vw, 4rem); min-height: calc(100vh - 82px); align-items: center; padding: 5.5rem 0 7rem; }
.hero-copy { position: relative; z-index: 3; min-width: 0; }
.eyebrow { margin: 0 0 1rem; color: var(--red); font-size: .76rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.hero .eyebrow { color: #ff5d52; }
.hero h1 { max-width: 100%; margin: 0; font-size: clamp(3.4rem, 4.6vw, 4.75rem); font-weight: 780; letter-spacing: -.06em; line-height: .94; text-wrap: balance; }
.hero-lead { max-width: 680px; margin: 1.7rem 0 0; color: #d8dcdf; font-size: clamp(1.05rem, 1.7vw, 1.28rem); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: .75rem 1.25rem; border: 1px solid transparent; border-radius: 999px; font-size: .9rem; font-weight: 800; text-decoration: none; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--red); }
.button-primary:hover { background: #f13b30; }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.32); background: rgba(255,255,255,.04); }
.button-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.09); }
.button-dark { color: var(--white); background: var(--graphite); }
.button-dark:hover { background: var(--red); }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); max-width: 660px; margin: 2.7rem 0 0; padding: 1.25rem 0 0; border-top: 1px solid rgba(255,255,255,.17); }
.hero-facts div { padding-right: 1rem; }
.hero-facts div + div { padding-left: 1.3rem; border-left: 1px solid rgba(255,255,255,.14); }
.hero-facts dt { color: var(--white); font-size: .92rem; font-weight: 850; }
.hero-facts dd { margin: .1rem 0 0; color: #aeb5ba; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.hero-visual { position: relative; z-index: 2; margin: 0; }
.hero-visual::before { position: absolute; z-index: -1; inset: -18px 26px 22px -18px; border: 1px solid rgba(255,255,255,.25); content: ""; }
.hero-visual img { width: 100%; min-height: 520px; max-height: 650px; object-fit: cover; box-shadow: 0 32px 70px rgba(0,0,0,.35); clip-path: polygon(8% 0,100% 0,92% 100%,0 100%); filter: saturate(.72) contrast(1.03); }
.hero-visual figcaption { position: absolute; right: 0; bottom: 1.5rem; display: grid; gap: .1rem; padding: 1rem 1.25rem; color: var(--white); background: rgba(20,22,24,.92); border-left: 4px solid var(--red); font-size: .75rem; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; }
.scroll-hint { position: absolute; z-index: 3; bottom: 1.4rem; left: 50%; display: flex; gap: .6rem; align-items: center; color: #c0c6ca; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; transform: translateX(-50%); }
.scroll-hint span { color: #ff5d52; font-size: 1.1rem; }

.section { padding-block: clamp(5.5rem, 9vw, 8.5rem); scroll-margin-top: 80px; }
.section-soft { background: var(--soft); }
.section-dark { color: var(--white); background: var(--graphite); }
.section-heading { max-width: 850px; margin-bottom: 3.2rem; }
.section-heading h2, .retrofit h2, .product h2, .contact h2 { margin: 0; color: var(--graphite); font-size: clamp(2.4rem, 5vw, 4.6rem); font-weight: 760; letter-spacing: -.055em; line-height: 1; text-wrap: balance; }
.section-heading > p:last-child { max-width: 780px; margin: 1.2rem 0 0; color: var(--muted); }
.section-heading-split { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(280px,.7fr); gap: 4rem; max-width: none; align-items: end; }
.section-heading-split > p { margin: 0 0 .3rem; }
.intro-grid { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(300px,.75fr); gap: clamp(3rem, 8vw, 7rem); align-items: start; }
.intro-copy { max-width: 760px; }
.intro-copy p { color: var(--muted); }
.lead { color: var(--ink) !important; font-size: clamp(1.15rem, 2vw, 1.45rem); font-weight: 650; line-height: 1.45; }
.focus-card { position: relative; padding: 2rem; border: 1px solid var(--line); border-top: 5px solid var(--red); background: var(--white); box-shadow: var(--shadow); }
.focus-number { display: block; margin-bottom: 3rem; color: var(--red); font-size: .76rem; font-weight: 850; letter-spacing: .1em; }
.focus-card h3 { margin: 0; color: var(--graphite); font-size: 1.45rem; line-height: 1.25; }
.focus-card p { margin: 1rem 0 0; color: var(--muted); }

.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 270px; padding: 1.75rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.68); transition: background .2s ease, transform .2s ease; }
.service-card:hover { position: relative; z-index: 1; background: var(--white); box-shadow: var(--shadow); transform: translateY(-3px); }
.service-card > span { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; margin-bottom: 2.3rem; color: var(--red); border: 1px solid #f1b5b0; border-radius: 50%; font-size: .7rem; font-weight: 850; }
.service-card h3 { margin: 0; color: var(--graphite); font-size: 1.18rem; line-height: 1.3; }
.service-card p { margin: .8rem 0 0; color: var(--muted); font-size: .92rem; }
.detail-photo { position: relative; display: grid; grid-template-columns: minmax(0,1.2fr) minmax(280px,.8fr); max-width: 1060px; margin: 4rem auto 0; overflow: hidden; background: var(--graphite); box-shadow: var(--shadow); }
.detail-photo img { width: 100%; height: 390px; object-fit: cover; }
.detail-photo figcaption { display: flex; flex-direction: column; justify-content: flex-end; padding: 2.3rem; color: var(--white); }
.detail-photo figcaption::before { width: 44px; height: 5px; margin-bottom: 1.5rem; content: ""; background: var(--red); }
.detail-photo strong { font-size: 1.5rem; line-height: 1.25; }
.detail-photo span { margin-top: .8rem; color: #bec4c8; font-size: .9rem; }

.industries { overflow: hidden; }
.industry-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border-top: 1px solid var(--line); }
.industry-grid div { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start; min-height: 120px; padding: 1.5rem .8rem 1.5rem 0; border-bottom: 1px solid var(--line); }
.industry-grid div:not(:nth-child(3n+1)) { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.industry-grid span { color: var(--red); font-size: .7rem; font-weight: 850; }
.industry-grid strong { color: var(--graphite); font-size: 1.08rem; line-height: 1.3; }
.industry-photos { display: grid; grid-template-columns: 1.25fr .75fr .85fr; gap: .7rem; margin-top: 3.5rem; }
.industry-photos figure { position: relative; min-height: 330px; margin: 0; overflow: hidden; background: var(--graphite); }
.industry-photos figure:nth-child(2) { transform: translateY(2rem); }
.industry-photos img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) contrast(1.02); transition: transform .45s ease, filter .45s ease; }
.industry-photos figure:hover img { transform: scale(1.025); filter: saturate(.95); }
.industry-photos figcaption { position: absolute; bottom: 0; left: 0; padding: .65rem 1rem; color: var(--white); background: var(--graphite); border-left: 4px solid var(--red); font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.retrofit { position: relative; overflow: hidden; }
.retrofit::before { position: absolute; top: -13rem; right: -9rem; width: 30rem; height: 30rem; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; content: ""; box-shadow: 0 0 0 5rem rgba(255,255,255,.025), 0 0 0 10rem rgba(255,255,255,.02); }
.retrofit-grid { position: relative; display: grid; grid-template-columns: minmax(0,1.2fr) minmax(330px,.8fr); gap: clamp(3rem, 8vw, 7rem); align-items: center; }
.retrofit h2 { color: var(--white); }
.retrofit .lead { margin-top: 1.5rem; color: #d9dde0 !important; }
.check-list { display: grid; gap: .8rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 1.8rem; color: #c4c9cd; }
.check-list li::before { position: absolute; top: .72rem; left: 0; width: .65rem; height: .65rem; content: ""; background: var(--red); transform: rotate(45deg); }
.retrofit-panel { padding: 2rem; border: 1px solid rgba(255,255,255,.16); border-top: 5px solid var(--red); background: rgba(255,255,255,.055); }
.retrofit-panel blockquote { margin: 0; color: var(--white); font-size: clamp(1.4rem, 2.4vw, 2.15rem); font-weight: 650; letter-spacing: -.025em; line-height: 1.25; }
.retrofit-panel p { color: #b8bec2; }
.text-link { display: inline-flex; gap: .6rem; align-items: center; color: var(--red); font-weight: 800; text-decoration: none; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }

.product { background: linear-gradient(110deg, #f4f5f6 0 54%, var(--white) 54%); }
.product-grid { display: grid; grid-template-columns: minmax(340px,.75fr) minmax(0,1.25fr); gap: clamp(3rem, 8vw, 7rem); align-items: center; }
.product-visual { position: relative; height: 620px; overflow: hidden; background: var(--graphite); box-shadow: var(--shadow); }
.product-visual img { width: 100%; height: 100%; object-fit: cover; }
.product-visual span { position: absolute; right: 0; bottom: 0; padding: .8rem 1.1rem; color: var(--white); background: var(--red); font-size: .72rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.product h2 { max-width: 720px; }
.product-copy > p:not(.eyebrow):not(.lead) { max-width: 700px; color: var(--muted); }
.product-points { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.6rem 0 0; padding: 0; list-style: none; }
.product-points li { padding: .45rem .75rem; color: var(--graphite); border: 1px solid var(--line); border-radius: 999px; background: var(--white); font-size: .78rem; font-weight: 750; }
.product-actions { display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center; margin-top: 2rem; }
.dark-link { color: var(--graphite); }

.contact { color: var(--white); background: var(--red); }
.contact-grid { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(310px,.8fr); gap: clamp(3rem, 8vw, 7rem); align-items: center; }
.contact .eyebrow { color: var(--white); opacity: .76; }
.contact h2 { color: var(--white); }
.contact-copy > p:last-child { max-width: 650px; color: #ffe2df; font-size: 1.05rem; }
.contact-card { display: grid; padding: 2rem; color: var(--white); border: 1px solid rgba(255,255,255,.28); background: rgba(31,22,22,.12); font-style: normal; box-shadow: 0 24px 50px rgba(93,13,8,.18); }
.contact-card strong { margin-bottom: .7rem; font-size: 1.25rem; }
.contact-card span { color: #ffe0dd; }
.contact-card hr { width: 100%; margin: 1.2rem 0; border: 0; border-top: 1px solid rgba(255,255,255,.24); }
.contact-card a { color: var(--white); font-weight: 800; text-decoration-thickness: 1px; text-underline-offset: 4px; }

footer { color: #bfc4c8; background: #17191b; }
.footer-inner { display: flex; min-height: 130px; align-items: center; justify-content: space-between; gap: 2rem; padding-block: 1.5rem; }
.footer-brand { display: flex; align-items: center; gap: .85rem; }
.footer-brand img { width: 64px; height: 64px; padding: 3px; object-fit: contain; border-radius: 10px; background: var(--white); }
.footer-brand div { display: grid; line-height: 1.25; }
.footer-brand strong { color: var(--white); }
.footer-brand span { font-size: .76rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .7rem; justify-content: flex-end; }
.footer-links a { display: inline-flex; min-height: 40px; align-items: center; padding: .45rem .85rem; color: var(--white); border: 1px solid rgba(255,255,255,.2); border-radius: 999px; font-size: .8rem; font-weight: 750; text-decoration: none; }
.footer-links a:hover, .footer-links a[aria-current="page"] { border-color: var(--red); background: rgba(225,40,30,.16); }

.legal-page { background: var(--soft); }
.legal-main { min-height: calc(100vh - 82px); background: radial-gradient(circle at 90% 8%, rgba(225,40,30,.08), transparent 25rem), var(--soft); }
.legal-hero { padding-top: clamp(4.5rem, 8vw, 7.5rem); padding-bottom: 3rem; }
.legal-hero h1 { margin: 0; color: var(--graphite); font-size: clamp(3.5rem, 8vw, 7rem); font-weight: 780; letter-spacing: -.065em; line-height: .92; }
.legal-hero > p:last-child { max-width: 700px; margin: 1.2rem 0 0; color: var(--muted); font-size: 1.08rem; }
.legal-layout { display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 4rem; padding-bottom: 7rem; }
.legal-toc { position: sticky; top: 110px; align-self: start; display: grid; gap: .15rem; padding: 1.1rem; border: 1px solid var(--line); background: rgba(255,255,255,.82); box-shadow: 0 12px 35px rgba(18,22,25,.07); }
.legal-toc strong { margin-bottom: .5rem; color: var(--graphite); font-size: .73rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.legal-toc a { padding: .4rem .5rem; color: var(--muted); border-radius: 6px; font-size: .82rem; font-weight: 650; line-height: 1.25; text-decoration: none; }
.legal-toc a:hover { color: var(--graphite); background: var(--soft); }
.legal-content { min-width: 0; }
.legal-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.1rem; }
.legal-card { padding: clamp(1.4rem, 4vw, 2.4rem); border: 1px solid var(--line); border-top: 4px solid var(--red); background: var(--white); box-shadow: 0 16px 42px rgba(18,22,25,.08); scroll-margin-top: 105px; }
.legal-card + .legal-card { margin-top: 1.1rem; }
.legal-grid .legal-card { margin: 0; }
.legal-card h2 { margin: 0 0 1rem; color: var(--graphite); font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.15; }
.legal-card h3 { margin: 1.5rem 0 .4rem; color: var(--graphite); font-size: 1.05rem; }
.legal-card p { margin: .65rem 0; color: var(--muted); }
.legal-card a { color: var(--red-dark); text-underline-offset: 3px; }
.legal-card ul { padding-left: 1.25rem; color: var(--muted); }
.legal-card li + li { margin-top: .4rem; }
.legal-label { display: block; margin-bottom: .8rem; color: var(--red); font-size: .7rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.legal-address { display: grid; color: var(--muted); font-style: normal; }
.legal-address strong { margin-bottom: .3rem; color: var(--graphite); font-size: 1.12rem; }
.legal-download { margin-top: 1.1rem; }
.legal-note { margin-top: 1.2rem; padding: 1rem 1.15rem; color: var(--muted); border-left: 4px solid var(--red); background: #fff1f0; font-size: .9rem; }
.translation-note { margin: 0 0 1.1rem; border: 1px solid #f1c5c1; border-left: 4px solid var(--red); }
.translation-note a { color: var(--red-dark); font-weight: 750; text-underline-offset: 3px; }
.legal-meta { margin-top: 1.2rem; color: #7a8288; font-size: .8rem; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.js .reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1020px) {
  .desktop-nav { gap: .8rem; }
  .desktop-nav a { font-size: .78rem; }
  .hero-grid { grid-template-columns: minmax(0,1fr) minmax(330px,.68fr); gap: 2rem; }
  .hero-visual img { min-height: 460px; }
  .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .industry-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .industry-grid div:not(:nth-child(3n+1)) { padding-left: 0; border-left: 0; }
  .industry-grid div:nth-child(even) { padding-left: 1.5rem; border-left: 1px solid var(--line); }
}

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: grid; width: 46px; height: 46px; place-content: center; gap: 5px; border: 1px solid var(--line); border-radius: 50%; background: var(--white); }
  .menu-toggle span:not(.sr-only) { display: block; width: 20px; height: 2px; background: var(--graphite); transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .25rem; padding: .8rem 1.5rem 1.25rem; border-top: 1px solid var(--line); background: var(--white); }
  .js .mobile-nav { display: none; }
  .js .mobile-nav.is-open { display: grid; }
  .mobile-nav a { padding: .65rem; color: var(--muted); font-size: .88rem; font-weight: 700; text-decoration: none; }
  .mobile-nav a:hover, .mobile-nav a.active { color: var(--graphite); background: var(--soft); }
  .mobile-nav .mobile-language { display: flex; align-items: center; gap: .5rem; color: var(--graphite); border: 1px solid var(--line); border-radius: 8px; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding-top: 4.5rem; }
  .hero-visual { max-width: 670px; }
  .hero-visual img { min-height: 420px; }
  .hero::after { top: auto; right: -16vw; bottom: 0; width: 60vw; height: 42%; }
  .scroll-hint { display: none; }
  .section-heading-split, .intro-grid, .retrofit-grid, .product-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .section-heading-split > p { max-width: 720px; }
  .focus-card { max-width: 620px; }
  .detail-photo { grid-template-columns: 1fr; }
  .detail-photo img { height: 360px; }
  .industry-photos { grid-template-columns: 1fr 1fr; }
  .industry-photos figure:last-child { grid-column: 1 / -1; max-height: 360px; }
  .industry-photos figure:nth-child(2) { transform: none; }
  .product { background: var(--soft); }
  .product-visual { max-width: 560px; height: 560px; }
  .contact-card { max-width: 560px; }
  .legal-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .legal-toc { position: static; grid-template-columns: repeat(3,minmax(0,1fr)); }
  .legal-toc strong { grid-column: 1 / -1; }
}

@media (max-width: 660px) {
  .shell { width: min(100% - 2rem, 1240px); }
  .header-inner { min-height: 70px; }
  .brand img { width: 48px; height: 48px; }
  .brand small { display: none; }
  .hero-grid { padding: 3.5rem 0 4.5rem; }
  .hero h1 { font-size: clamp(3rem, 14vw, 4.2rem); hyphens: auto; overflow-wrap: break-word; }
  .hero-lead { font-size: 1.03rem; }
  .hero-actions { display: grid; }
  .hero-facts { grid-template-columns: 1fr; gap: .75rem; }
  .hero-facts div, .hero-facts div + div { padding: 0; border: 0; }
  .hero-visual img { min-height: 360px; }
  .hero-visual figcaption { right: .5rem; bottom: .5rem; }
  .section { padding-block: 4.5rem; scroll-margin-top: 70px; }
  .section-heading { margin-bottom: 2.4rem; }
  .section-heading h2, .retrofit h2, .product h2, .contact h2 { font-size: clamp(2.25rem, 11vw, 3.35rem); }
  .service-grid, .industry-grid, .industry-photos { grid-template-columns: 1fr; }
  .service-card { min-height: 0; }
  .industry-grid div, .industry-grid div:nth-child(even), .industry-grid div:not(:nth-child(3n+1)) { min-height: 90px; padding: 1.2rem 0; border-left: 0; }
  .industry-photos figure, .industry-photos figure:last-child { min-height: 280px; grid-column: auto; }
  .detail-photo img { height: 300px; }
  .product-visual { height: 470px; }
  .product-actions { align-items: flex-start; flex-direction: column; }
  .footer-inner { align-items: flex-start; flex-direction: column; padding-block: 1.5rem 2rem; }
  .footer-links { justify-content: flex-start; }
  .back-link { font-size: .78rem; }
  .header-actions { gap: .6rem; }
  .header-actions .language-switch { min-width: 58px; min-height: 38px; }
  .legal-hero { padding-top: 4rem; }
  .legal-hero h1 { font-size: clamp(3.2rem, 16vw, 5rem); }
  .legal-toc { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .legal-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}