/*
 * HTK v1.31.1 — Yamamura-inspired Front-end Layout Reconstruction
 * Purpose-built layouts; legacy sections remain available only for secondary pages.
 */

:root {
    --htk1311-paper: #f4f9fd;
    --htk1311-white: #ffffff;
    --htk1311-ink: #071832;
    --htk1311-muted: #5b6e8d;
    --htk1311-rule: rgba(7, 27, 63, 0.18);
    --htk1311-blue: #0745c7;
    --htk1311-teal: #0b56e6;
    --htk1311-shell: min(92vw, 1376px);
    --htk1311-text: min(78vw, 760px);
    --htk1311-gap: clamp(2rem, 5vw, 6rem);
    --htk1311-section: clamp(3.25rem, 6vw, 6rem);
}

html { scroll-behavior: smooth; }
.htk-site { background: var(--htk1311-paper); color: var(--htk1311-ink); overflow-x: clip; }
.htk-site img { max-width: 100%; }
.htk1311-shell { width: var(--htk1311-shell); margin-inline: auto; }
.htk1311-kicker,
.htk1311-section-index { margin: 0 0 1.3rem; color: var(--htk1311-teal); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; line-height: 1.4; text-transform: uppercase; }
.htk1311-lead { max-width: 42rem; color: #425575; font-size: clamp(1.02rem, 1.4vw, 1.3rem); line-height: 1.7; }
.htk1311-link { display: inline-flex; width: fit-content; align-items: center; gap: 1.25rem; padding-block: 0.72rem; border-bottom: 1px solid currentColor; color: var(--htk1311-ink); font-size: 0.84rem; font-weight: 700; letter-spacing: 0.08em; text-decoration: none; text-transform: uppercase; }
.htk1311-link__arrow { display: inline-block; transition: transform 260ms ease; }
.htk1311-link:hover .htk1311-link__arrow,
.htk1311-link:focus-visible .htk1311-link__arrow { transform: translate(0.25rem, -0.2rem); }
.htk1311-link--light { color: #fff; }

/* Header */
.htk1311-header { position: fixed; inset: 0 0 auto; z-index: 1000; color: var(--htk1311-ink); transition: background-color 300ms ease, box-shadow 300ms ease, color 300ms ease; }
.htk1311-header::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; background: rgba(255,255,255,0.35); content: ""; }
.htk1311-header.is-scrolled,
body:not(.htk-page-home) .htk1311-header { background: rgba(255,255,255,0.96); box-shadow: 0 1rem 3rem rgba(24,35,40,0.07); backdrop-filter: blur(14px); }
.htk1311-header__inner { display: grid; width: min(96vw, 1600px); min-height: 88px; margin-inline: auto; align-items: center; grid-template-columns: minmax(150px, 250px) 1fr auto; gap: 2rem; }
.htk1311-header__brand .htk-brand { display: block; width: min(220px, 18vw); }
.htk1311-header__brand img { display: block; width: 100%; height: auto; }
.htk1311-header__nav { justify-self: end; }
.htk1311-desktop-menu { display: flex; margin: 0; padding: 0; align-items: center; gap: clamp(1.4rem, 2.6vw, 3.6rem); list-style: none; }
.htk1311-desktop-menu > li { position: relative; }
.htk1311-desktop-menu > li > a { position: relative; display: block; padding: 2.15rem 0; color: inherit; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.13em; text-decoration: none; text-transform: uppercase; }
.htk1311-desktop-menu > li > a::after { position: absolute; right: 0; bottom: 1.65rem; left: 0; height: 1px; background: currentColor; content: ""; transform: scaleX(0); transform-origin: right; transition: transform 260ms ease; }
.htk1311-desktop-menu > li:hover > a::after,
.htk1311-desktop-menu > li:focus-within > a::after { transform: scaleX(1); transform-origin: left; }
.htk1311-megamenu { position: absolute; top: calc(100% - 1px); right: -8rem; display: grid; width: min(720px, 70vw); padding: 2rem; background: #fff; box-shadow: 0 2rem 5rem rgba(20,30,35,0.16); grid-template-columns: 1fr 1fr; opacity: 0; pointer-events: none; transform: translateY(0.8rem); transition: opacity 220ms ease, transform 220ms ease; }
.htk1311-desktop-menu__business:hover .htk1311-megamenu,
.htk1311-desktop-menu__business:focus-within .htk1311-megamenu { opacity: 1; pointer-events: auto; transform: none; }
.htk1311-megamenu a { display: grid; padding: 1.6rem; border-left: 1px solid var(--htk1311-rule); color: inherit; text-decoration: none; grid-template-columns: 1fr; gap: 0.35rem; transition: background 200ms ease; }
.htk1311-megamenu a:hover { background: var(--htk1311-paper); }
.htk1311-megamenu span { grid-row: 1 / 3; color: var(--htk1311-teal); font-size: 0.72rem; }
.htk1311-megamenu strong { font-size: 1.12rem; }
.htk1311-megamenu small { color: var(--htk1311-muted); }
.htk1311-header__language { margin-left: 1rem; }
.htk1311-header .htk-language-switcher { display: flex; align-items: center; gap: 0.45rem; white-space: nowrap; }
.htk1311-header .htk-language-switcher a { color: inherit; font-size: 0.66rem; letter-spacing: 0.06em; text-decoration: none; }
.htk1311-header .htk-language-switcher a[aria-current="page"] { color: var(--htk1311-teal); font-weight: 800; }
.htk1311-menu-toggle { display: none; border: 0; background: transparent; color: inherit; }
.htk1311-mobile-panel { display: none; }

/* Breadcrumb */
.htk1311-breadcrumb { padding-top: 110px; background: var(--htk1311-paper); }
.htk1311-breadcrumb .htk-breadcrumb { margin: 0; padding: 1.2rem 0; border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-breadcrumb .htk-breadcrumb ol { gap: 0.6rem; }
.htk1311-breadcrumb .htk-breadcrumb a,
.htk1311-breadcrumb .htk-breadcrumb span { color: var(--htk1311-muted); font-size: 0.7rem; letter-spacing: 0.04em; }

/* Home hero */
.htk1311-home-hero { position: relative; min-height: min(880px, 92vh); background: #eaf5fb; overflow: hidden; }
.htk1311-home-hero__visual { position: absolute; inset: 0 0 0 44%; }
.htk1311-home-hero__visual picture,
.htk1311-home-hero__visual img { display: block; width: 100%; height: 100%; }
.htk1311-home-hero__visual img { object-fit: cover; object-position: center; }
.htk1311-home-hero__visual::after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(234,245,251,0.78), transparent 24%); content: ""; }
.htk1311-home-hero__content { position: relative; z-index: 2; display: grid; min-height: min(880px, 92vh); padding-top: 120px; align-items: center; grid-template-columns: 44% 1fr; }
.htk1311-home-hero__copy { position: relative; z-index: 2; max-width: 740px; padding: clamp(2rem, 4vw, 5rem) clamp(1rem, 3vw, 3rem) clamp(2rem, 4vw, 5rem) 0; }
.htk1311-home-hero h1 { max-width: 9ch; margin: 0 0 1.7rem; font-size: clamp(3.4rem, 6.5vw, 7.4rem); font-weight: 500; letter-spacing: -0.055em; line-height: 0.93; }
.htk1311-home-hero .htk1311-lead { max-width: 31rem; margin: 0 0 2.5rem; }
.htk1311-home-hero__material { position: absolute; right: 2vw; bottom: 2vw; width: clamp(180px, 19vw, 330px); padding: 0.6rem; background: rgba(255,255,255,0.8); box-shadow: 0 1.5rem 4rem rgba(22,30,35,0.15); }
.htk1311-home-hero__material img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.htk1311-scroll-cue { position: absolute; z-index: 3; bottom: 2rem; left: 2vw; font-size: 0.65rem; letter-spacing: 0.2em; writing-mode: vertical-rl; }

/* Home Company and Business */
.htk1311-home-company { padding: var(--htk1311-section) 0; background: var(--htk1311-white); }
.htk1311-home-company__grid { display: grid; align-items: start; grid-template-columns: 0.72fr 1.28fr; gap: clamp(2rem, 7vw, 9rem); }
.htk1311-home-company__heading { position: sticky; top: 140px; }
.htk1311-home-company__heading h2 { max-width: 12ch; margin: 0; font-size: clamp(2.6rem, 5vw, 5.8rem); font-weight: 500; letter-spacing: -0.045em; line-height: 1.02; }
.htk1311-home-company__image { grid-column: 2; }
.htk1311-home-company__image img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.htk1311-home-company__copy { grid-column: 2; max-width: 42rem; padding-left: clamp(0rem, 8vw, 9rem); }
.htk1311-home-company__copy p { margin: 0 0 2rem; font-size: clamp(1.05rem, 1.35vw, 1.32rem); line-height: 1.75; }
.htk1311-home-business { padding: var(--htk1311-section) 0 0; }
.htk1311-home-business__heading { margin-bottom: clamp(3rem, 7vw, 8rem); }
.htk1311-home-business__heading h2 { max-width: 12ch; margin: 0; font-size: clamp(3rem, 6vw, 7rem); font-weight: 500; letter-spacing: -0.05em; line-height: 0.98; }
.htk1311-business-story { position: relative; display: grid; min-height: 760px; grid-template-columns: 62% 38%; }
.htk1311-business-story--materials { grid-template-columns: 42% 58%; }
.htk1311-business-story__image { display: block; overflow: hidden; }
.htk1311-business-story__image picture,
.htk1311-business-story__image img { display: block; width: 100%; height: 100%; }
.htk1311-business-story__image img { object-fit: cover; transition: transform 800ms cubic-bezier(.2,.7,.2,1); }
.htk1311-business-story__image:hover img { transform: scale(1.025); }
.htk1311-business-story__copy { display: flex; width: auto; padding: clamp(3rem, 7vw, 8rem); flex-direction: column; justify-content: center; }
.htk1311-business-story--glass .htk1311-business-story__copy { background: #eaf5fb; }
.htk1311-business-story--materials .htk1311-business-story__copy { background: #0b2a5d; color: #fff; }
.htk1311-business-story__number { margin-bottom: auto; color: var(--htk1311-teal); font-size: clamp(4rem, 8vw, 9rem); font-weight: 300; letter-spacing: -0.07em; line-height: 0.8; }
.htk1311-business-story--materials .htk1311-business-story__number,
.htk1311-business-story--materials .htk1311-kicker { color: #90c9f4; }
.htk1311-business-story h3 { max-width: 12ch; margin: 2rem 0 1.4rem; font-size: clamp(2rem, 3.6vw, 4.3rem); font-weight: 500; letter-spacing: -0.04em; line-height: 1.03; }
.htk1311-business-story p:not(.htk1311-kicker) { max-width: 36rem; margin: 0 0 2.2rem; line-height: 1.7; }
.htk1311-business-story--materials .htk1311-link { color: #fff; }

/* Generic editorial bands */
.htk1311-business-intro,
.htk1311-materials-intro,
.htk1311-product-overview,
.htk1311-company-intro { padding: var(--htk1311-section) 0; background: var(--htk1311-white); }
.htk1311-business-intro__grid,
.htk1311-materials-intro__grid,
.htk1311-product-overview__grid,
.htk1311-company-intro__grid { display: grid; grid-template-columns: minmax(170px, .4fr) 1fr minmax(250px, .65fr); gap: var(--htk1311-gap); }
.htk1311-business-intro h2,
.htk1311-materials-intro h2,
.htk1311-product-overview h2,
.htk1311-company-intro h2 { max-width: 14ch; margin: 0; font-size: clamp(2.2rem, 4vw, 4.7rem); font-weight: 500; letter-spacing: -0.04em; line-height: 1.04; }
.htk1311-business-intro p:last-child,
.htk1311-materials-intro p:last-child,
.htk1311-product-overview p:last-child,
.htk1311-company-intro p:last-child { margin: 0; font-size: 1.05rem; line-height: 1.8; }

/* Company */
.htk1311-company-hero { padding: clamp(3rem, 7vw, 7rem) 0 var(--htk1311-section); }
.htk1311-company-hero__grid { display: grid; align-items: end; grid-template-columns: 0.78fr 1.22fr; gap: var(--htk1311-gap); }
.htk1311-company-hero h1 { max-width: 12ch; margin: 0 0 2rem; font-size: clamp(3rem, 6vw, 6.8rem); font-weight: 500; letter-spacing: -0.055em; line-height: 0.98; }
.htk1311-company-hero__image img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.htk1311-company-history,
.htk1311-company-facts { padding: var(--htk1311-section) 0; }
.htk1311-company-history__heading,
.htk1311-company-facts__heading { display: grid; margin-bottom: 4rem; grid-template-columns: .42fr 1fr; gap: var(--htk1311-gap); }
.htk1311-company-history h2,
.htk1311-company-facts h2 { max-width: 14ch; margin: 0; font-size: clamp(2.2rem, 4vw, 4.6rem); font-weight: 500; letter-spacing: -0.04em; }
.htk1311-timeline { margin: 0 0 0 28%; padding: 0; list-style: none; }
.htk1311-timeline li { display: grid; padding: 1.5rem 0; border-top: 1px solid var(--htk1311-rule); grid-template-columns: 80px 1fr; }
.htk1311-timeline li:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-timeline span { color: var(--htk1311-teal); }
.htk1311-timeline p { margin: 0; font-size: clamp(1.05rem, 1.6vw, 1.45rem); }
.htk1311-company-network { padding: var(--htk1311-section) 0; background: #eaf5fb; }
.htk1311-company-network__grid { display: grid; align-items: center; grid-template-columns: 1.05fr .95fr; gap: var(--htk1311-gap); }
.htk1311-company-network__image img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.htk1311-company-network h2 { margin: 0 0 2.8rem; font-size: clamp(2.3rem, 4.2vw, 4.8rem); font-weight: 500; letter-spacing: -0.04em; line-height: 1.03; }
.htk1311-company-network__items article { padding: 1.5rem 0; border-top: 1px solid var(--htk1311-rule); }
.htk1311-company-network__items article:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-company-network__items h3 { margin: 0 0 .5rem; font-size: 1.15rem; }
.htk1311-company-network__items p { margin: 0; color: var(--htk1311-muted); line-height: 1.7; }
.htk1311-company-facts dl { width: min(100%, 1000px); margin: 0 0 0 auto; }
.htk1311-company-facts dl div { display: grid; padding: 1.4rem 0; border-top: 1px solid var(--htk1311-rule); grid-template-columns: .4fr 1fr; gap: 2rem; }
.htk1311-company-facts dl div:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-company-facts dt { color: var(--htk1311-muted); }
.htk1311-company-facts dd { margin: 0; }

/* Glass business */
.htk1311-business-hero { position: relative; min-height: 760px; }
.htk1311-business-hero__image { position: absolute; inset: 0; }
.htk1311-business-hero__image picture,
.htk1311-business-hero__image img { display: block; width: 100%; height: 100%; }
.htk1311-business-hero__image img { object-fit: cover; }
.htk1311-business-hero__image::after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,23,28,.76), rgba(12,23,28,.1) 75%); content: ""; }
.htk1311-business-hero__copy { position: relative; z-index: 1; display: flex; min-height: 760px; padding-block: clamp(7rem, 14vw, 12rem); color: #fff; flex-direction: column; justify-content: flex-end; }
.htk1311-business-hero h1 { max-width: 11ch; margin: 0 0 1.5rem; font-size: clamp(3.5rem, 7vw, 8rem); font-weight: 500; letter-spacing: -0.06em; line-height: .92; }
.htk1311-business-hero .htk1311-lead { color: rgba(255,255,255,.85); }
.htk1311-strengths { padding: var(--htk1311-section) 0; }
.htk1311-strengths__heading { margin-bottom: clamp(4rem, 9vw, 10rem); }
.htk1311-strengths__heading h2 { max-width: 12ch; margin: 0; font-size: clamp(3rem, 5.5vw, 6rem); font-weight: 500; letter-spacing: -0.05em; line-height: 1; }
.htk1311-strength { display: grid; width: var(--htk1311-shell); min-height: 600px; margin: 0 auto clamp(6rem, 12vw, 13rem); align-items: center; grid-template-columns: 1.15fr .85fr; gap: clamp(3rem, 8vw, 9rem); }
.htk1311-strength--reverse { grid-template-columns: .85fr 1.15fr; }
.htk1311-strength--reverse .htk1311-strength__image { grid-column: 2; }
.htk1311-strength--reverse .htk1311-strength__copy { grid-row: 1; grid-column: 1; }
.htk1311-strength__image img { display: block; width: 100%; max-height: 680px; aspect-ratio: 4 / 3; object-fit: cover; }
.htk1311-strength__number { display: block; margin-bottom: 2rem; color: var(--htk1311-teal); font-size: clamp(4rem, 8vw, 9rem); font-weight: 300; letter-spacing: -0.07em; line-height: .8; }
.htk1311-strength h3 { max-width: 12ch; margin: 0 0 1.8rem; font-size: clamp(2.1rem, 4vw, 4.8rem); font-weight: 500; letter-spacing: -0.045em; line-height: 1; }
.htk1311-strength p { max-width: 37rem; margin: 0; font-size: 1.05rem; line-height: 1.8; }
.htk1311-lineup { padding: var(--htk1311-section) 0; background: #fff; }
.htk1311-lineup__heading { display: grid; margin-bottom: 4rem; grid-template-columns: .42fr 1fr; gap: var(--htk1311-gap); }
.htk1311-lineup__heading h2 { max-width: 12ch; margin: 0; font-size: clamp(2.5rem, 4.8vw, 5.3rem); font-weight: 500; letter-spacing: -0.045em; line-height: 1; }
.htk1311-lineup-item { display: grid; min-height: 140px; padding: 1.2rem 0; border-top: 1px solid var(--htk1311-rule); align-items: center; color: inherit; grid-template-columns: 80px 160px 1fr 50px; gap: 2rem; text-decoration: none; }
.htk1311-lineup-item:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-lineup-item__number { color: var(--htk1311-teal); font-size: .78rem; }
.htk1311-lineup-item__image { height: 110px; overflow: hidden; }
.htk1311-lineup-item__image picture,
.htk1311-lineup-item__image img { display: block; width: 100%; height: 100%; }
.htk1311-lineup-item__image img { object-fit: cover; transition: transform 500ms ease; }
.htk1311-lineup-item:hover img { transform: scale(1.04); }
.htk1311-lineup-item__copy { display: grid; grid-template-columns: minmax(180px, .45fr) 1fr; gap: 2rem; }
.htk1311-lineup-item__copy strong { font-size: clamp(1.4rem, 2.2vw, 2.4rem); font-weight: 500; letter-spacing: -0.025em; }
.htk1311-lineup-item__copy small { max-width: 34rem; color: var(--htk1311-muted); font-size: .92rem; line-height: 1.6; }
.htk1311-lineup-item__arrow { font-size: 1.4rem; transition: transform 240ms ease; }
.htk1311-lineup-item:hover .htk1311-lineup-item__arrow { transform: translate(.25rem,-.25rem); }
.htk1311-product-info { padding: var(--htk1311-section) 0; }
.htk1311-product-info__grid { display: grid; align-items: end; grid-template-columns: .35fr 1fr auto; gap: var(--htk1311-gap); }
.htk1311-product-info h2 { max-width: 13ch; margin: 0; font-size: clamp(2.3rem, 4.2vw, 4.8rem); font-weight: 500; letter-spacing: -0.04em; }

/* Category and model catalogue */
.htk1311-category-hero { padding: clamp(3rem, 6vw, 6rem) 0 clamp(4rem, 8vw, 8rem); }
.htk1311-category-hero__grid { display: grid; min-height: 440px; align-items: center; grid-template-columns: .9fr 1.1fr; gap: var(--htk1311-gap); }
.htk1311-category-hero h1 { max-width: 12ch; margin: 0 0 1.5rem; font-size: clamp(3rem, 5.3vw, 6rem); font-weight: 500; letter-spacing: -0.05em; line-height: .98; }
.htk1311-category-hero__copy > p:last-child { max-width: 39rem; line-height: 1.75; }
.htk1311-category-hero__image { display: flex; min-height: 410px; align-items: center; justify-content: center; background: #fff; }
.htk1311-category-hero__image img { display: block; width: 100%; height: 410px; object-fit: contain; }
.htk1311-catalogue { padding: var(--htk1311-section) 0; background: #fff; }
.htk1311-catalogue__heading { display: grid; margin-bottom: 3rem; grid-template-columns: .35fr 1fr; gap: var(--htk1311-gap); }
.htk1311-catalogue__heading h2 { max-width: 16ch; margin: 0; font-size: clamp(2.2rem, 4vw, 4.4rem); font-weight: 500; letter-spacing: -0.04em; line-height: 1.03; }
.htk1311-capacity-tabs { display: flex; margin-bottom: 1rem; border-block: 1px solid var(--htk1311-rule); overflow-x: auto; scrollbar-width: thin; }
.htk1311-capacity-tabs button { display: flex; min-width: 145px; padding: 1rem 1.2rem; border: 0; border-right: 1px solid var(--htk1311-rule); background: transparent; color: inherit; cursor: pointer; justify-content: space-between; }
.htk1311-capacity-tabs button.is-active { background: var(--htk1311-ink); color: #fff; }
.htk1311-capacity-tabs small { opacity: .6; }
.htk1311-capacity-links { display: flex; margin-bottom: 2.8rem; flex-wrap: wrap; gap: .6rem 1.4rem; }
.htk1311-capacity-links a { color: var(--htk1311-muted); font-size: .76rem; text-underline-offset: .25rem; }
.htk1311-model-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--htk1311-rule); border-left: 1px solid var(--htk1311-rule); }
.htk1311-model-tile { min-width: 0; border-right: 1px solid var(--htk1311-rule); border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-model-tile__image { display: flex; height: 310px; padding: 1.2rem; align-items: center; justify-content: center; background: #f4f9fd; overflow: hidden; }
.htk1311-model-tile__image picture { display: contents; }
.htk1311-model-tile__image img { width: 100%; height: 100%; object-fit: contain; transition: transform 450ms ease; }
.htk1311-model-tile:hover .htk1311-model-tile__image img { transform: scale(1.025); }
.htk1311-image-pending { color: #8b9193; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.htk1311-model-tile__body { padding: 1.4rem; }
.htk1311-model-tile__body > p { margin: 0 0 .3rem; color: var(--htk1311-muted); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; }
.htk1311-model-tile h2 { margin: 0 0 1rem; font-size: 1.38rem; }
.htk1311-model-tile h2 a { color: inherit; text-decoration: none; }
.htk1311-model-tile dl { margin: 0 0 1.2rem; }
.htk1311-model-tile dl div { display: flex; justify-content: space-between; gap: 1rem; }
.htk1311-model-tile dt { color: var(--htk1311-muted); font-size: .74rem; }
.htk1311-model-tile dd { margin: 0; font-size: .82rem; text-align: right; }
.htk1311-model-tile__details { display: flex; padding-top: .8rem; border-top: 1px solid var(--htk1311-rule); color: inherit; font-size: .76rem; font-weight: 700; justify-content: space-between; text-decoration: none; text-transform: uppercase; }
.htk1311-model-sheet__main { padding: clamp(2rem, 5vw, 5rem) 0 var(--htk1311-section); background: #fff; }
.htk1311-model-sheet__grid { display: grid; min-height: 620px; align-items: start; grid-template-columns: 1.06fr .94fr; gap: var(--htk1311-gap); }
.htk1311-model-sheet__visual { position: sticky; top: 120px; display: flex; min-height: 610px; align-items: center; justify-content: center; background: #f4f9fd; }
.htk1311-model-sheet__visual img { display: block; width: 100%; height: 610px; object-fit: contain; }
.htk1311-model-sheet__content { padding: clamp(2rem, 4vw, 4rem) 0; }
.htk1311-model-sheet h1 { margin: 0; font-size: clamp(3.6rem, 7vw, 7.5rem); font-weight: 500; letter-spacing: -0.06em; line-height: .9; }
.htk1311-model-sheet__capacity { margin: 1rem 0 3rem; color: var(--htk1311-teal); font-size: clamp(1.4rem, 2vw, 2rem); }
.htk1311-model-sheet h2 { margin: 0 0 1rem; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; }
.htk1311-model-specs { margin: 0 0 2.5rem; }
.htk1311-model-specs div { display: grid; padding: 1rem 0; border-top: 1px solid var(--htk1311-rule); grid-template-columns: .46fr 1fr; gap: 2rem; }
.htk1311-model-specs div:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-model-specs dt { color: var(--htk1311-muted); font-size: .8rem; }
.htk1311-model-specs dd { margin: 0; font-weight: 600; }
.htk1311-model-sheet__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 2rem; }
.htk1311-action { display: inline-flex; min-height: 56px; padding: 0 1.5rem; background: var(--htk1311-ink); color: #fff; align-items: center; gap: 2rem; text-decoration: none; }

/* Advanced Materials hub */
.htk1311-materials-hero { padding: clamp(4rem, 8vw, 8rem) 0 var(--htk1311-section); }
.htk1311-materials-hero__grid { display: grid; align-items: end; grid-template-columns: .82fr 1.18fr; gap: var(--htk1311-gap); }
.htk1311-materials-hero h1 { max-width: 11ch; margin: 0 0 2rem; font-size: clamp(3.6rem, 7vw, 7.8rem); font-weight: 500; letter-spacing: -0.06em; line-height: .91; }
.htk1311-materials-hero__gallery { display: grid; align-items: end; grid-template-columns: 1fr .52fr; gap: 1.2rem; }
.htk1311-materials-hero__gallery div:first-child img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.htk1311-materials-hero__gallery div:last-child img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.htk1311-material-family-list { padding: var(--htk1311-section) 0; }
.htk1311-material-entry { display: grid; min-height: 520px; margin-bottom: clamp(5rem, 10vw, 11rem); align-items: center; grid-template-columns: 1.12fr .88fr; gap: var(--htk1311-gap); }
.htk1311-material-entry--reverse { grid-template-columns: .88fr 1.12fr; }
.htk1311-material-entry--reverse .htk1311-material-entry__image { grid-column: 2; }
.htk1311-material-entry--reverse .htk1311-material-entry__copy { grid-row: 1; grid-column: 1; }
.htk1311-material-entry__image { display: block; height: 520px; background: #fff; overflow: hidden; }
.htk1311-material-entry__image picture,
.htk1311-material-entry__image img { display: block; width: 100%; height: 100%; }
.htk1311-material-entry__image img { object-fit: cover; transition: transform 650ms ease; }
.htk1311-material-entry__image:hover img { transform: scale(1.025); }
.htk1311-material-entry__copy > span { color: var(--htk1311-teal); font-size: 1rem; }
.htk1311-material-entry h2 { max-width: 12ch; margin: 2rem 0 1.5rem; font-size: clamp(2.4rem, 4.5vw, 5rem); font-weight: 500; letter-spacing: -0.045em; line-height: 1; }
.htk1311-material-entry p { max-width: 36rem; margin: 0 0 2rem; line-height: 1.75; }

/* Advanced product pages */
.htk1311-product-hero { padding: clamp(3rem, 7vw, 7rem) 0 var(--htk1311-section); }
.htk1311-product-hero__grid { display: grid; align-items: center; grid-template-columns: .9fr 1.1fr; gap: var(--htk1311-gap); }
.htk1311-product-hero h1 { max-width: 13ch; margin: 0 0 1.6rem; font-size: clamp(3rem, 5.8vw, 6.5rem); font-weight: 500; letter-spacing: -0.055em; line-height: .95; }
.htk1311-product-hero__copy .htk1311-link { margin-top: 1.5rem; }
.htk1311-product-hero__visuals { display: grid; grid-template-columns: 1fr .66fr; gap: 1rem; }
.htk1311-product-hero__visuals figure { margin: 0; background: #fff; }
.htk1311-product-hero__visuals figure:first-child { grid-row: span 2; }
.htk1311-product-hero__visuals img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.htk1311-product-hero__visuals figure:first-child img { height: 100%; }
.htk1311-product-hero__visuals figcaption { padding: .7rem 1rem; color: var(--htk1311-muted); font-size: .7rem; }
.htk1311-anchor-nav { position: sticky; z-index: 20; top: 88px; border-block: 1px solid var(--htk1311-rule); background: rgba(255,255,255,.94); backdrop-filter: blur(12px); }
.htk1311-anchor-nav .htk1311-shell { display: flex; overflow-x: auto; scrollbar-width: thin; }
.htk1311-anchor-nav a { padding: 1rem 1.25rem; border-right: 1px solid var(--htk1311-rule); color: inherit; font-size: .72rem; white-space: nowrap; text-decoration: none; }
.htk1311-options,
.htk1311-editorial-split,
.htk1311-facts,
.htk1311-gallery { padding: var(--htk1311-section) 0; }
.htk1311-options { background: #fff; }
.htk1311-options__heading,
.htk1311-facts__heading,
.htk1311-gallery__heading { display: grid; margin-bottom: 4rem; grid-template-columns: .4fr 1fr; gap: var(--htk1311-gap); }
.htk1311-options__heading h2,
.htk1311-facts__heading h2,
.htk1311-gallery__heading h2 { max-width: 15ch; margin: 0; font-size: clamp(2.2rem, 4vw, 4.5rem); font-weight: 500; letter-spacing: -0.04em; line-height: 1.02; }
.htk1311-options__list { margin-left: 22%; }
.htk1311-options__list article { display: grid; padding: 2rem 0; border-top: 1px solid var(--htk1311-rule); grid-template-columns: 80px 1fr; gap: 2rem; }
.htk1311-options__list article:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-options__list article > span { color: var(--htk1311-teal); }
.htk1311-options__list h3 { margin: 0 0 .7rem; font-size: clamp(1.45rem, 2.4vw, 2.5rem); font-weight: 500; }
.htk1311-options__list p { max-width: 50rem; color: var(--htk1311-muted); line-height: 1.7; }
.htk1311-editorial-split:nth-of-type(even) { background: #eaf5fb; }
.htk1311-editorial-split__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--htk1311-gap); }
.htk1311-editorial-split h2 { max-width: 13ch; margin: 0 0 1.5rem; font-size: clamp(2.3rem, 4.4vw, 4.8rem); font-weight: 500; letter-spacing: -0.045em; line-height: 1.02; }
.htk1311-editorial-split__copy > p:last-child { max-width: 38rem; line-height: 1.75; }
.htk1311-ruled-list { margin: 0; padding: 0; list-style: none; }
.htk1311-ruled-list li { display: grid; padding: 1.3rem 0; border-top: 1px solid var(--htk1311-rule); grid-template-columns: 60px 1fr; gap: 1.5rem; }
.htk1311-ruled-list li:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-ruled-list span { color: var(--htk1311-teal); font-size: .72rem; }
.htk1311-ruled-list p { margin: 0; line-height: 1.65; }
.htk1311-facts dl { width: min(100%, 1000px); margin: 0 0 0 auto; }
.htk1311-facts dl div { display: grid; padding: 1.2rem 0; border-top: 1px solid var(--htk1311-rule); grid-template-columns: .45fr 1fr; gap: 2rem; }
.htk1311-facts dl div:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-facts dt { color: var(--htk1311-muted); }
.htk1311-facts dd { margin: 0; font-weight: 600; }
.htk1311-gallery { background: #fff; }
.htk1311-gallery__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.htk1311-gallery figure { margin: 0; }
.htk1311-gallery figure img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.htk1311-gallery figcaption { display: grid; padding: 1rem 0; border-bottom: 1px solid var(--htk1311-rule); gap: .35rem; }
.htk1311-gallery figcaption span { color: var(--htk1311-muted); font-size: .84rem; }
.htk1311-technical-data { padding: var(--htk1311-section) 0; background: #fff; }
.htk1311-technical-data__heading { margin-bottom: clamp(3rem, 7vw, 7rem); }
.htk1311-technical-data__heading h2 { max-width: 14ch; margin: 0; font-size: clamp(2.8rem, 5vw, 5.6rem); font-weight: 500; letter-spacing: -0.045em; line-height: 1; }
.htk1311-tech-block { margin-bottom: clamp(4rem, 8vw, 8rem); }
.htk1311-tech-block:last-child { margin-bottom: 0; }
.htk1311-tech-block__heading { display: grid; margin-bottom: 2rem; grid-template-columns: 1fr; gap: 2rem; }
.htk1311-tech-block__heading--context { align-items: end; grid-template-columns: .85fr 1.15fr; }
.htk1311-tech-block h3 { max-width: 16ch; margin: 0; font-size: clamp(1.8rem, 3.4vw, 3.8rem); font-weight: 500; letter-spacing: -0.035em; line-height: 1.04; }
.htk1311-tech-block__image img { display: block; width: 100%; max-height: 520px; object-fit: cover; }
.htk1311-tech-context { display: grid; margin: 0 0 2rem 24%; grid-template-columns: 1fr 1fr; gap: 2rem; }
.htk1311-tech-context > div { padding-top: 1rem; border-top: 1px solid var(--htk1311-rule); }
.htk1311-tech-context h4 { margin: 0 0 1rem; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }
.htk1311-tech-context ul { margin: 0; padding-left: 1.1rem; color: var(--htk1311-muted); line-height: 1.7; }
.htk1311-table-scroll { max-width: 100%; border-block: 1px solid var(--htk1311-rule); overflow-x: auto; overscroll-behavior-inline: contain; }
.htk1311-table-scroll table { width: 100%; min-width: 720px; border-collapse: collapse; background: #fff; color: var(--htk1311-ink); font-size: .78rem; }
.htk1311-table-scroll th,
.htk1311-table-scroll td { min-width: 120px; padding: 1rem 1.1rem; border-right: 1px solid var(--htk1311-rule); border-bottom: 1px solid var(--htk1311-rule); text-align: left; vertical-align: top; }
.htk1311-table-scroll th:last-child,
.htk1311-table-scroll td:last-child { border-right: 0; }
.htk1311-table-scroll thead th { background: #eaf5fb; font-size: .7rem; font-weight: 700; letter-spacing: .04em; }
.htk1311-table-scroll tbody th { background: #f4f9fd; font-weight: 700; }
.htk1311-tech-block__footnote { margin: .8rem 0 0; color: var(--htk1311-muted); font-size: .72rem; line-height: 1.6; }

/* News */
.htk1311-news-hero { padding: clamp(4rem, 8vw, 8rem) 0 clamp(3rem, 6vw, 6rem); }
.htk1311-news-hero h1 { margin: 0 0 1.5rem; font-size: clamp(3.5rem, 7vw, 7.5rem); font-weight: 500; letter-spacing: -0.06em; line-height: .92; }
.htk1311-news-hero p:last-child { max-width: 52rem; line-height: 1.75; }
.htk1311-news-list { padding: var(--htk1311-section) 0; background: #fff; }
.htk1311-news-list--home { background: var(--htk1311-paper); }
.htk1311-news-list__heading { display: flex; margin-bottom: 3rem; align-items: end; justify-content: space-between; gap: 3rem; }
.htk1311-news-list__heading h2 { max-width: 13ch; margin: 0; font-size: clamp(2.7rem, 5vw, 5.5rem); font-weight: 500; letter-spacing: -0.05em; line-height: .98; }
.htk1311-news-filters { display: flex; margin-bottom: 3rem; border-block: 1px solid var(--htk1311-rule); overflow-x: auto; }
.htk1311-news-filters button { padding: 1rem 1.5rem; border: 0; border-right: 1px solid var(--htk1311-rule); background: transparent; color: inherit; cursor: pointer; white-space: nowrap; }
.htk1311-news-filters button.is-active { background: var(--htk1311-ink); color: #fff; }
.htk1311-news-row { display: grid; min-height: 126px; padding: 1.5rem 0; border-top: 1px solid var(--htk1311-rule); align-items: center; grid-template-columns: minmax(210px,.38fr) 1fr 50px; gap: 2rem; }
.htk1311-news-row:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-news-row__meta { display: grid; color: var(--htk1311-muted); font-size: .72rem; gap: .45rem; }
.htk1311-news-row__meta span { color: var(--htk1311-teal); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.htk1311-news-row h3 { margin: 0; font-size: clamp(1.2rem, 2vw, 2rem); font-weight: 500; line-height: 1.35; }
.htk1311-news-row h3 a,
.htk1311-news-row__arrow { color: inherit; text-decoration: none; }
.htk1311-news-row__arrow { font-size: 1.5rem; transition: transform 240ms ease; }
.htk1311-news-row:hover .htk1311-news-row__arrow { transform: translate(.25rem,-.25rem); }

/* Contact, addresses and footer */
.htk1311-contact-band,
.htk1311-inquiry { padding: clamp(2.75rem, 4.5vw, 4.5rem) 0; background: #0b2a5d; color: #fff; }
.htk1311-contact-band h2 { max-width: 13ch; margin: 0 0 2rem; font-size: clamp(2.8rem, 5.5vw, 6rem); font-weight: 500; letter-spacing: -0.05em; line-height: 1; }
.htk1311-contact-band .htk1311-kicker,
.htk1311-inquiry .htk1311-kicker { color: #90c9f4; }
.htk1311-inquiry__grid { display: grid; align-items: end; grid-template-columns: .3fr 1fr auto; gap: var(--htk1311-gap); }
.htk1311-inquiry h2 { max-width: 16ch; margin: 0 0 1rem; font-size: clamp(2.3rem, 4vw, 4.5rem); font-weight: 500; letter-spacing: -0.04em; line-height: 1.02; }
.htk1311-inquiry p:not(.htk1311-kicker) { max-width: 44rem; color: rgba(255,255,255,.78); line-height: 1.7; }
.htk1311-addresses { padding: var(--htk1311-section) 0; }
.htk1311-addresses .htk1311-shell { display: grid; grid-template-columns: .65fr 1.35fr; gap: var(--htk1311-gap); }
.htk1311-addresses h2 { max-width: 12ch; margin: 0; font-size: clamp(2.3rem, 4vw, 4.6rem); font-weight: 500; letter-spacing: -0.04em; }
.htk1311-addresses address { display: grid; padding: 1.5rem 0; border-top: 1px solid var(--htk1311-rule); font-style: normal; grid-template-columns: .36fr 1fr; gap: 2rem; }
.htk1311-addresses address:last-child { border-bottom: 1px solid var(--htk1311-rule); }
.htk1311-addresses address span { color: var(--htk1311-muted); line-height: 1.7; }
.htk1311-footer { padding: clamp(2rem, 3vw, 2.75rem) 0 1rem; background: #071b3f; color: #f4f9fd; }
.htk1311-footer a { color: inherit; }
.htk1311-footer__lead { display: grid; padding-bottom: 1.5rem; border-bottom: 1px solid rgba(255,255,255,.18); align-items: center; grid-template-columns: .55fr 1fr auto; gap: clamp(1rem, 3vw, 3rem); }
.htk1311-footer__logo img { display: block; width: min(190px, 100%); height: auto; }
.htk1311-footer__lead p { max-width: 38rem; margin: 0; color: rgba(255,255,255,.7); line-height: 1.7; }
.htk1311-footer__navigation { display: grid; padding: 1.65rem 0; grid-template-columns: .6fr 1fr 1fr; gap: clamp(1rem, 3vw, 3rem); }
.htk1311-footer__navigation nav { display: grid; align-content: start; gap: .4rem; }
.htk1311-footer__navigation h2 { margin: 0 0 .35rem; color: #90c9f4; font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; }
.htk1311-footer__navigation a { width: fit-content; color: rgba(255,255,255,.8); font-size: .8rem; line-height: 1.35; text-decoration: none; }
.htk1311-footer__navigation a:hover { color: #fff; text-decoration: underline; text-underline-offset: .25rem; }
.htk1311-footer__offices { display: grid; padding: 1.35rem 0; border-block: 1px solid rgba(255,255,255,.18); grid-template-columns: 1fr 1fr .7fr; gap: clamp(1rem, 3vw, 3rem); }
.htk1311-footer__offices address,
.htk1311-footer__contact { display: grid; margin: 0; color: rgba(255,255,255,.65); font-size: .76rem; font-style: normal; line-height: 1.6; gap: .5rem; }
.htk1311-footer__offices strong { color: #fff; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.htk1311-footer__bottom { display: grid; padding-top: 1rem; align-items: center; grid-template-columns: 1fr auto auto; gap: 1rem; }
.htk1311-footer__bottom p { margin: 0; color: rgba(255,255,255,.5); font-size: .7rem; }
.htk1311-footer__bottom nav { display: flex; gap: 1.2rem; }
.htk1311-footer__bottom a,
.htk1311-footer .htk-language-switcher { color: rgba(255,255,255,.65); font-size: .7rem; text-decoration: none; }
.htk1311-footer .htk-language-switcher { display: flex; gap: .5rem; }

/* Existing article bodies: presentation only, body copy and SEO untouched. */
.htk-tone-news .htk-page-hero { padding-bottom: 3rem; background: var(--htk1311-paper); }
.htk-tone-news .htk-page-hero__visual { display: none; }
.htk-tone-news .htk-page-hero__grid { display: block; max-width: 920px; }
.htk-tone-news .htk-page-hero h1 { font-size: clamp(2.8rem, 5.5vw, 5.7rem); font-weight: 500; letter-spacing: -.045em; line-height: 1.02; }
.htk-news-story { max-width: 920px; margin-inline: auto; }
.htk-news-story h2 { margin-top: 4rem; font-size: clamp(1.8rem, 3.2vw, 3rem); font-weight: 500; letter-spacing: -.03em; }
.htk-news-story h3 { margin-top: 2.4rem; font-size: 1.35rem; }
.htk-news-story p,
.htk-news-story li { line-height: 1.85; }
.htk-news-story__table { max-width: 100%; overflow-x: auto; }

/* Motion: distinct clip, text and rule treatments. */
.js [data-motion="clip"] { clip-path: inset(0 100% 0 0); }
.js [data-motion="clip"] img { transform: scale(1.035); }
.js [data-motion="text"] { opacity: 0; transform: translateY(2.2rem); }
.js [data-motion="section"] { opacity: 0; transform: translateY(1.4rem); }
.js [data-motion="line"] { opacity: 0; transform: translateX(-1.2rem); }
.js [data-motion].is-visible { opacity: 1; clip-path: inset(0); transform: none; transition: opacity 700ms ease, transform 800ms cubic-bezier(.2,.7,.2,1), clip-path 1000ms cubic-bezier(.2,.7,.2,1); }
.js [data-motion].is-visible img { transform: none; transition: transform 1300ms cubic-bezier(.2,.7,.2,1); }

@media (max-width: 1180px) {
    .htk1311-header__inner { grid-template-columns: minmax(150px, 210px) 1fr auto; }
    .htk1311-header__language { display: none; }
    .htk1311-desktop-menu { gap: 1.6rem; }
    .htk1311-model-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
    .htk1311-business-story { min-height: 660px; grid-template-columns: 58% 42%; }
    .htk1311-business-story--materials { grid-template-columns: 44% 56%; }
}

@media (max-width: 980px) {
    :root { --htk1311-shell: min(90vw, 880px); }
    .htk1311-header__inner { min-height: 72px; grid-template-columns: 1fr auto; }
    .htk1311-header__brand .htk-brand { width: 190px; }
    .htk1311-header__nav,
    .htk1311-header__language { display: none; }
    .htk1311-menu-toggle { display: inline-flex; align-items: center; gap: .9rem; cursor: pointer; }
    .htk1311-menu-toggle__label { font-size: .68rem; font-weight: 700; letter-spacing: .15em; }
    .htk1311-menu-toggle__lines { position: relative; display: block; width: 26px; height: 12px; }
    .htk1311-menu-toggle__lines i { position: absolute; left: 0; width: 100%; height: 1px; background: currentColor; transition: transform 260ms ease, top 260ms ease; }
    .htk1311-menu-toggle__lines i:first-child { top: 2px; }
    .htk1311-menu-toggle__lines i:last-child { top: 10px; }
    .htk1311-menu-toggle[aria-expanded="true"] i:first-child { top: 6px; transform: rotate(45deg); }
    .htk1311-menu-toggle[aria-expanded="true"] i:last-child { top: 6px; transform: rotate(-45deg); }
    .htk1311-mobile-panel { position: fixed; z-index: -1; inset: 72px 0 0; display: block; padding: 2rem 5vw; background: #f4f9fd; opacity: 0; overflow-y: auto; pointer-events: none; transform: translateY(-1rem); transition: opacity 260ms ease, transform 300ms ease; }
    .htk1311-mobile-panel.is-open { z-index: 999; opacity: 1; pointer-events: auto; transform: none; }
    .htk1311-mobile-panel__inner { max-width: 720px; margin-inline: auto; }
    .htk1311-mobile-panel nav { display: grid; }
    .htk1311-mobile-panel__primary,
    .htk1311-mobile-panel__business { padding: 1.35rem 0; border-bottom: 1px solid var(--htk1311-rule); color: inherit; font-size: clamp(1.5rem, 5vw, 2.5rem); text-decoration: none; }
    .htk1311-mobile-panel__primary { display: block; }
    .htk1311-mobile-panel__business > p { margin: 0 0 1rem; }
    .htk1311-mobile-panel__business > a { display: flex; margin-left: 0; padding: .8rem 0; border-top: 1px solid rgba(7,27,63,.1); color: inherit; font-size: .95rem; justify-content: space-between; text-decoration: none; }
    .htk1311-mobile-panel .htk-language-switcher { display: flex; margin-top: 2rem; gap: .8rem; }
    .htk1311-mobile-panel .htk-language-switcher a { color: inherit; font-size: .8rem; }
    body.nav-open { overflow: hidden; }
    .htk1311-breadcrumb { padding-top: 72px; }
    .htk1311-anchor-nav { top: 72px; }
    .htk1311-home-hero__visual { left: 35%; }
    .htk1311-home-hero__content { grid-template-columns: 52% 1fr; }
    .htk1311-home-company__grid,
    .htk1311-company-hero__grid,
    .htk1311-company-network__grid,
    .htk1311-materials-hero__grid,
    .htk1311-product-hero__grid { grid-template-columns: 1fr; }
    .htk1311-home-company__heading { position: static; }
    .htk1311-home-company__heading h2 { max-width: 16ch; }
    .htk1311-home-company__image,
    .htk1311-home-company__copy { grid-column: auto; }
    .htk1311-home-company__copy { padding-left: 12%; }
    .htk1311-business-story,
    .htk1311-business-story--materials { min-height: 0; grid-template-columns: 1fr; }
    .htk1311-business-story__image { min-height: 520px; }
    .htk1311-business-story--materials .htk1311-business-story__copy { grid-row: 2; }
    .htk1311-business-story__copy { min-height: 520px; }
    .htk1311-business-intro__grid,
    .htk1311-materials-intro__grid,
    .htk1311-product-overview__grid,
    .htk1311-company-intro__grid { grid-template-columns: .4fr 1fr; }
    .htk1311-business-intro__grid > p:last-child,
    .htk1311-materials-intro__grid > p:last-child,
    .htk1311-product-overview__grid > p:last-child,
    .htk1311-company-intro__grid > p:last-child { grid-column: 2; }
    .htk1311-strength,
    .htk1311-strength--reverse,
    .htk1311-material-entry,
    .htk1311-material-entry--reverse { min-height: 0; grid-template-columns: 1fr; }
    .htk1311-strength--reverse .htk1311-strength__image,
    .htk1311-strength--reverse .htk1311-strength__copy,
    .htk1311-material-entry--reverse .htk1311-material-entry__image,
    .htk1311-material-entry--reverse .htk1311-material-entry__copy { grid-row: auto; grid-column: auto; }
    .htk1311-strength__copy,
    .htk1311-material-entry__copy { width: 82%; margin-left: auto; }
    .htk1311-lineup-item { grid-template-columns: 50px 130px 1fr 40px; }
    .htk1311-lineup-item__copy { grid-template-columns: 1fr; gap: .5rem; }
    .htk1311-product-info__grid,
    .htk1311-inquiry__grid { grid-template-columns: .4fr 1fr; }
    .htk1311-product-info .htk1311-link,
    .htk1311-inquiry .htk1311-link { grid-column: 2; }
    .htk1311-model-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .htk1311-model-sheet__grid { grid-template-columns: 1fr; }
    .htk1311-model-sheet__visual { position: static; min-height: 520px; }
    .htk1311-material-entry__image { height: 460px; }
    .htk1311-tech-block__heading--context { grid-template-columns: 1fr; }
    .htk1311-tech-context { margin-left: 0; }
    .htk1311-footer__lead { grid-template-columns: 1fr 1fr; }
    .htk1311-footer__lead .htk1311-link { grid-column: 2; }
    .htk1311-footer__offices { grid-template-columns: 1fr 1fr; }
    .htk1311-footer__contact { grid-column: 1 / 3; }
}

@media (max-width: 620px) {
    :root { --htk1311-shell: calc(100vw - 40px); --htk1311-section: 3.75rem; --htk1311-gap: 2rem; }
    .htk1311-header__inner { width: calc(100vw - 32px); }
    .htk1311-header__brand .htk-brand { width: 162px; }
    .htk1311-menu-toggle__label { display: none; }
    .htk1311-home-hero { min-height: 760px; }
    .htk1311-home-hero__visual { inset: 0; opacity: .58; }
    .htk1311-home-hero__visual::after { background: linear-gradient(180deg, rgba(244,249,253,.96) 8%, rgba(244,249,253,.72) 58%, rgba(244,249,253,.18)); }
    .htk1311-home-hero__content { min-height: 760px; padding-top: 90px; grid-template-columns: 1fr; align-items: start; }
    .htk1311-home-hero__copy { max-width: none; padding: 8rem 0 2rem; }
    .htk1311-home-hero h1 { max-width: 10ch; font-size: clamp(3.2rem, 15vw, 4.8rem); }
    .htk1311-home-hero__material { right: 20px; bottom: 28px; width: 150px; }
    .htk1311-scroll-cue { display: none; }
    .htk1311-home-company__grid,
    .htk1311-business-intro__grid,
    .htk1311-materials-intro__grid,
    .htk1311-product-overview__grid,
    .htk1311-company-intro__grid,
    .htk1311-company-history__heading,
    .htk1311-company-facts__heading,
    .htk1311-lineup__heading,
    .htk1311-catalogue__heading,
    .htk1311-options__heading,
    .htk1311-facts__heading,
    .htk1311-gallery__heading,
    .htk1311-editorial-split__grid,
    .htk1311-addresses .htk1311-shell,
    .htk1311-product-info__grid,
    .htk1311-inquiry__grid { grid-template-columns: 1fr; }
    .htk1311-business-intro__grid > p:last-child,
    .htk1311-materials-intro__grid > p:last-child,
    .htk1311-product-overview__grid > p:last-child,
    .htk1311-company-intro__grid > p:last-child,
    .htk1311-product-info .htk1311-link,
    .htk1311-inquiry .htk1311-link { grid-column: auto; }
    .htk1311-home-company__copy,
    .htk1311-strength__copy,
    .htk1311-material-entry__copy { width: auto; margin: 0; padding: 0; }
    .htk1311-home-company__heading h2,
    .htk1311-home-business__heading h2,
    .htk1311-business-story h3,
    .htk1311-business-intro h2,
    .htk1311-strengths__heading h2,
    .htk1311-lineup__heading h2,
    .htk1311-materials-intro h2,
    .htk1311-product-overview h2 { max-width: none; }
    .htk1311-business-story__image { min-height: 380px; }
    .htk1311-business-story__copy { min-height: 500px; padding: 3.5rem 20px; }
    .htk1311-business-story__number { margin-bottom: 4rem; }
    .htk1311-company-hero h1,
    .htk1311-business-hero h1,
    .htk1311-materials-hero h1,
    .htk1311-product-hero h1,
    .htk1311-news-hero h1 { font-size: clamp(3.1rem, 14vw, 4.8rem); }
    .htk1311-company-hero__image img { aspect-ratio: 3 / 4; }
    .htk1311-timeline,
    .htk1311-options__list { margin-left: 0; }
    .htk1311-company-network h2 { max-width: none; }
    .htk1311-company-facts dl div,
    .htk1311-facts dl div,
    .htk1311-addresses address { grid-template-columns: 1fr; gap: .5rem; }
    .htk1311-business-hero { min-height: 620px; }
    .htk1311-business-hero__copy { min-height: 620px; padding-bottom: 4rem; }
    .htk1311-strength { width: var(--htk1311-shell); margin-bottom: 7rem; gap: 2.5rem; }
    .htk1311-strength__image img { aspect-ratio: 4 / 3; }
    .htk1311-strength__number { margin-bottom: 1.5rem; }
    .htk1311-lineup-item { min-height: 0; padding: 1.2rem 0; grid-template-columns: 38px 88px 1fr; gap: .8rem; }
    .htk1311-lineup-item__image { height: 80px; }
    .htk1311-lineup-item__copy strong { font-size: 1.08rem; }
    .htk1311-lineup-item__copy small { display: none; }
    .htk1311-lineup-item__arrow { display: none; }
    .htk1311-category-hero__grid { min-height: 0; grid-template-columns: 1fr; }
    .htk1311-category-hero__image { min-height: 300px; }
    .htk1311-category-hero__image img { height: 300px; }
    .htk1311-capacity-tabs { margin-inline: -20px; padding-left: 20px; }
    .htk1311-model-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .htk1311-model-tile__image { height: 210px; padding: .8rem; }
    .htk1311-model-tile__body { padding: 1rem; }
    .htk1311-model-tile h2 { font-size: 1rem; overflow-wrap: anywhere; }
    .htk1311-model-tile dl div { display: grid; gap: .2rem; }
    .htk1311-model-tile dd { text-align: left; }
    .htk1311-model-sheet__visual { min-height: 390px; }
    .htk1311-model-sheet__visual img { height: 390px; }
    .htk1311-model-sheet h1 { font-size: clamp(3.4rem, 16vw, 5.4rem); overflow-wrap: anywhere; }
    .htk1311-materials-hero__gallery { grid-template-columns: 1fr .6fr; }
    .htk1311-material-entry__image { height: 360px; }
    .htk1311-product-hero__visuals { grid-template-columns: 1fr; }
    .htk1311-product-hero__visuals figure:first-child { grid-row: auto; }
    .htk1311-product-hero__visuals figure:nth-child(n+3) { display: none; }
    .htk1311-options__list article { grid-template-columns: 44px 1fr; gap: 1rem; }
    .htk1311-tech-context { grid-template-columns: 1fr; }
    .htk1311-table-scroll { width: calc(100vw - 20px); margin-right: -20px; }
    .htk1311-table-scroll table { min-width: 680px; }
    .htk1311-gallery__grid { grid-template-columns: 1fr; }
    .htk1311-news-list__heading { display: grid; }
    .htk1311-news-filters { margin-inline: -20px; padding-left: 20px; }
    .htk1311-news-row { min-height: 0; grid-template-columns: 1fr 32px; gap: 1rem; }
    .htk1311-news-row__meta { grid-column: 1 / 3; grid-template-columns: auto 1fr; }
    .htk1311-footer__lead,
    .htk1311-footer__navigation,
    .htk1311-footer__offices,
    .htk1311-footer__bottom { grid-template-columns: 1fr; }
    .htk1311-footer__lead .htk1311-link,
    .htk1311-footer__contact { grid-column: auto; }
    .htk1311-footer { padding-top: 1.75rem; }
    .htk1311-footer__lead { gap: 1rem; padding-bottom: 1.2rem; }
    .htk1311-footer__navigation { padding: 1.2rem 0; gap: .9rem; }
    .htk1311-footer__navigation nav { padding-top: .8rem; border-top: 1px solid rgba(255,255,255,.15); }
    .htk1311-footer__offices { padding: 1.15rem 0; gap: 1rem; }
    .htk1311-footer__bottom { align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
    .js [data-motion] { opacity: 1 !important; clip-path: none !important; transform: none !important; }
    .js [data-motion] img { transform: none !important; }
}