:root {
  --white: #fff;
  --paper: #f6f7f8;
  --ink: #111216;
  --muted: #62656d;
  --line: #d9dce1;
  --cobalt: #164cff;
  --coral: #ff5f56;
  --lime: #c7f32b;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, Arial, sans-serif; line-height: 1.55; }
body.menu-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.02; letter-spacing: -.055em; }
h2 { margin-bottom: 0; font-size: clamp(2.4rem, 5vw, 5.6rem); font-weight: 800; }
h3 { font-size: 1.3rem; }
.skip-link { position: fixed; top: -70px; left: 16px; z-index: 200; padding: 10px 14px; color: white; background: var(--ink); }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  display: grid; grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr); align-items: center; gap: 24px;
  min-height: 78px; padding: 0 max(22px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--line); background: rgba(255,255,255,.94); backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; line-height: 1; }
.brand > span:last-child { display: grid; gap: 6px; }
.brand b { font-size: .84rem; letter-spacing: .02em; }
.brand small { color: var(--muted); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.tri-mark { display: grid; grid-template-columns: repeat(3, 10px); width: max-content; height: 34px; }
.tri-mark i:nth-child(1) { background: var(--cobalt); }
.tri-mark i:nth-child(2) { background: var(--coral); }
.tri-mark i:nth-child(3) { background: var(--lime); }
.desktop-nav { display: flex; gap: 26px; }
.desktop-nav a, .mobile-nav a { position: relative; font-size: .72rem; font-weight: 700; text-decoration: none; text-transform: uppercase; letter-spacing: .05em; }
.desktop-nav a::after { position: absolute; right: 0; bottom: -10px; left: 0; height: 3px; content: ""; background: var(--cobalt); transform: scaleX(0); transition: transform .2s; }
.desktop-nav a:hover::after, .desktop-nav a.active::after { transform: scaleX(1); }
.header-tools { display: flex; justify-content: flex-end; align-items: center; gap: 10px; }
.lang-toggle { display: flex; gap: 2px; padding: 3px; border: 1px solid var(--ink); background: white; cursor: pointer; }
.lang-toggle span { padding: 4px 7px; font-size: .64rem; font-weight: 800; }
.lang-toggle span:first-child { color: white; background: var(--ink); }
html[lang="en"] .lang-toggle span:first-child { color: var(--ink); background: transparent; }
html[lang="en"] .lang-toggle span:last-child { color: white; background: var(--ink); }
.header-mail { padding-bottom: 2px; border-bottom: 2px solid var(--coral); font-size: .7rem; font-weight: 700; text-decoration: none; }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 10px; border: 0; background: var(--ink); cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: white; transition: .2s; }
.mobile-nav { display: none; }

.hero, .section {
  max-width: var(--max); margin: 0 auto; padding: 110px 24px;
  border-right: 1px solid var(--line); border-left: 1px solid var(--line);
}
.hero {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(430px, .95fr); gap: 50px;
  min-height: calc(100vh - 78px); align-items: center; padding-top: 76px; padding-bottom: 60px;
}
.label { margin-bottom: 18px; font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.label.cobalt { color: var(--cobalt); }
.hero h1 { max-width: 890px; margin-bottom: 30px; font-size: clamp(3.4rem, 7.2vw, 8rem); font-weight: 900; }
.hero h1 span { display: block; }
.hero h1 span:nth-child(1) { color: var(--cobalt); }
.hero h1 span:nth-child(2) { color: var(--coral); }
.hero h1 span:nth-child(3) { color: var(--ink); }
.hero-lead { max-width: 790px; color: var(--muted); font-size: 1.03rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 11px 18px; border: 1px solid var(--ink); border-radius: 0; font-size: .75rem; font-weight: 800; text-decoration: none; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.button:hover { transform: translate(-3px, -3px); box-shadow: 3px 3px 0 var(--ink); }
.cobalt-bg { color: white; background: var(--cobalt); }
.coral-bg { color: var(--ink); background: var(--coral); }
.lime-bg { color: var(--ink); background: var(--lime); }
.outline { background: white; }
.hero-system { display: grid; grid-template-columns: repeat(3, 1fr); min-height: 530px; border: 1px solid var(--ink); }
.hero-tile { display: flex; flex-direction: column; padding: 18px; border-right: 1px solid var(--ink); transition: flex-grow .25s; }
.hero-tile:last-child { border: 0; }
.hero-tile span { font-size: .62rem; font-weight: 800; }
.hero-tile b { margin-top: auto; font-size: clamp(1.2rem, 2.5vw, 2.2rem); letter-spacing: -.05em; writing-mode: vertical-rl; transform: rotate(180deg); }
.hero-tile small { margin-top: 18px; font-size: .63rem; }
.tile-cobalt { color: white; background: var(--cobalt); }
.tile-coral { background: var(--coral); transform: translateY(22px); }
.tile-lime { background: var(--lime); transform: translateY(-22px); }
.hero-facts { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; border-top: 1px solid var(--ink); }
.hero-facts div { padding: 16px 18px 0 0; }
.hero-facts dt { color: var(--muted); font-size: .62rem; text-transform: uppercase; letter-spacing: .08em; }
.hero-facts dd { margin: 5px 0 0; font-size: .83rem; font-weight: 700; }

.section { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 50px; }
.section-index { display: flex; flex-direction: column; justify-content: space-between; align-self: start; min-height: 130px; padding: 14px; border: 1px solid var(--ink); }
.section-index span { font-size: 2.4rem; font-weight: 900; letter-spacing: -.08em; }
.section-index b { font-size: .6rem; text-transform: uppercase; letter-spacing: .1em; }
.section-heading { grid-column: 2; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 48px; align-items: end; }
.section-heading .label { grid-column: 1 / -1; margin-bottom: -24px; }
.section-heading > p:last-child { margin: 0; color: var(--muted); }
.triad-grid, .mini-products, .three-metrics, .publishing-grid, .material-matrix, .configurator, .process-list, .file-grid, .use-cases, .activity-list, .wholesale-note, .registry-grid, .people-grid, .timeline, .faq-list {
  grid-column: 2; margin-top: 56px;
}
.triad-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.catalog-card { display: flex; flex-direction: column; min-height: 330px; padding: 24px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.catalog-card .catalog-code { font-size: .66rem; font-weight: 800; }
.catalog-card h3 { margin: auto 0 12px; font-size: 2rem; }
.catalog-card p { min-height: 68px; font-size: .84rem; }
.catalog-card a { width: max-content; font-size: .72rem; font-weight: 800; text-underline-offset: 5px; }
.cobalt-card { color: white; background: var(--cobalt); }
.coral-card { background: var(--coral); }
.lime-card { background: var(--lime); }

.split-section { background: var(--paper); }
.spec-list { grid-column: 2; margin-top: 56px; border-top: 1px solid var(--ink); }
.spec-list div { display: grid; grid-template-columns: .65fr 1.35fr; gap: 32px; padding: 22px 0; border-bottom: 1px solid var(--ink); }
.spec-list b { font-size: .82rem; }
.spec-list span { color: var(--muted); font-size: .9rem; }
.mini-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mini-products article { min-height: 240px; padding: 24px; border: 1px solid var(--line); }
.mini-products article > span { display: grid; width: 34px; height: 34px; color: white; background: var(--coral); font-size: .68rem; font-weight: 800; place-items: center; }
.mini-products h3 { margin: 70px 0 12px; }
.mini-products p { margin: 0; color: var(--muted); font-size: .84rem; }
.print-section { background: var(--ink); color: white; }
.print-section .section-heading > p:last-child { color: #b7bac1; }
.three-metrics { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid #555861; }
.three-metrics div { min-height: 220px; padding: 24px; border-right: 1px solid #555861; }
.three-metrics div:last-child { border: 0; }
.three-metrics span { display: block; color: var(--lime); font-size: 2.6rem; font-weight: 900; }
.three-metrics b { display: block; margin-top: 60px; }
.three-metrics small { display: block; margin-top: 8px; color: #b7bac1; }
.publishing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.publishing-grid article { padding-top: 18px; border-top: 1px solid var(--ink); }
.dot { display: block; width: 16px; height: 16px; margin-bottom: 50px; border-radius: 50%; }
.publishing-grid p { color: var(--muted); font-size: .86rem; }

.materials-section { background: var(--paper); }
.material-matrix { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.material-matrix article { min-height: 220px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: white; }
.material-matrix article > b { color: var(--cobalt); font-size: 1.8rem; }
.material-matrix h3 { margin-top: 40px; }
.material-matrix p { max-width: 460px; margin-bottom: 0; color: var(--muted); font-size: .85rem; }
.configurator-section { color: white; background: var(--cobalt); }
.configurator-section .section-index { border-color: white; }
.configurator-section .section-heading > p:last-child { color: #dbe3ff; }
.configurator { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.configurator > label { display: block; padding: 20px; color: var(--ink); background: white; }
.configurator label > span { display: flex; gap: 14px; margin-bottom: 14px; font-size: .76rem; }
.configurator label i { color: var(--coral); font-style: normal; }
select, input, textarea { width: 100%; padding: 13px; border: 1px solid var(--ink); border-radius: 0; color: var(--ink); background: white; outline: none; }
select:focus, input:focus, textarea:focus { box-shadow: 0 0 0 3px var(--lime); }
.config-result { grid-column: 1 / -1; margin-top: 12px; padding: 28px; color: var(--ink); background: var(--lime); border: 1px solid var(--ink); }
.config-result > p:nth-child(2) { min-height: 52px; max-width: 900px; font-weight: 700; }
.config-result > div { display: flex; gap: 10px; flex-wrap: wrap; }
.copy-status { min-height: 20px; margin: 12px 0 0; font-size: .72rem; }

.process-list { padding: 0; border-top: 1px solid var(--ink); list-style: none; }
.process-list li { display: grid; grid-template-columns: 120px 1fr; gap: 30px; padding: 26px 0; border-bottom: 1px solid var(--ink); }
.process-list li > span { color: var(--coral); font-size: 2rem; font-weight: 900; }
.process-list h3 { margin-bottom: 8px; }
.process-list p { max-width: 740px; margin: 0; color: var(--muted); }
.files-section { background: var(--paper); }
.file-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.file-grid article { min-height: 250px; padding: 22px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: white; }
.file-grid article > b { display: inline-block; padding: 4px 7px; color: white; background: var(--cobalt); font-size: .65rem; }
.file-grid h3 { margin-top: 65px; }
.file-grid p { color: var(--muted); font-size: .82rem; }
.use-cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.use-cases article { display: grid; grid-template-columns: 52px 1fr; gap: 8px 18px; min-height: 170px; padding: 24px; border: 1px solid var(--line); }
.use-cases article > span { grid-row: 1 / 3; display: grid; width: 42px; height: 42px; background: var(--lime); font-weight: 900; place-items: center; }
.use-cases h3 { margin: 0; }
.use-cases p { margin: 0; color: var(--muted); font-size: .84rem; }

.activities-section { color: white; background: var(--ink); }
.activities-section .section-index { border-color: white; }
.activities-section .section-heading > p:last-child { color: #b7bac1; }
.activity-list { border-top: 1px solid #4c4e55; }
.activity-list div { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid #4c4e55; }
.activity-list b { color: var(--lime); }
.wholesale-note { display: grid; grid-template-columns: 140px 1fr 1fr; gap: 20px; margin-top: 28px; padding: 24px; border: 1px solid #4c4e55; }
.wholesale-note > span { color: var(--coral); font-size: .7rem; font-weight: 800; }
.wholesale-note h3, .wholesale-note p { margin: 0; }
.wholesale-note p { color: #b7bac1; font-size: .84rem; }
.company-section { background: var(--lime); }
.company-section .section-heading { align-items: start; }
.company-section .section-heading > p:last-child { color: var(--ink); }
.company-section .section-heading > p:nth-last-child(2) { margin: 0; font-size: .82rem; }
.registry-grid { display: grid; grid-template-columns: repeat(2, 1fr); margin-bottom: 0; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.registry-grid div { min-height: 110px; padding: 18px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: rgba(255,255,255,.45); }
.registry-grid .wide { grid-column: 1 / -1; }
.registry-grid dt { margin-bottom: 18px; font-size: .62rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.registry-grid dd { margin: 0; font-size: .88rem; font-weight: 600; }
.people-grid { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 12px; }
.people-grid article { min-height: 240px; padding: 24px; border: 1px solid var(--line); }
.people-grid article:nth-child(1) { border-top: 8px solid var(--cobalt); }
.people-grid article:nth-child(2) { border-top: 8px solid var(--coral); }
.people-grid article:nth-child(3) { border-top: 8px solid var(--lime); }
.people-grid article > span { display: block; min-height: 42px; color: var(--muted); font-size: .64rem; font-weight: 800; text-transform: uppercase; }
.people-grid h3 { font-size: 1.15rem; line-height: 1.3; letter-spacing: -.025em; }
.people-grid p { color: var(--muted); font-size: .82rem; }
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 4px solid var(--cobalt); }
.timeline article { min-height: 210px; padding: 24px 24px 0 0; border-right: 1px solid var(--line); }
.timeline article:not(:first-child) { padding-left: 24px; }
.timeline time { display: block; margin-bottom: 60px; color: var(--cobalt); font-weight: 900; }
.timeline h3 { font-size: 1.15rem; }
.timeline p { color: var(--muted); font-size: .8rem; }

.faq-section { background: var(--paper); }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--ink); }
.faq-list summary { position: relative; padding: 24px 60px 24px 0; font-weight: 750; cursor: pointer; list-style: none; }
.faq-list summary::after { position: absolute; top: 15px; right: 12px; content: "+"; color: var(--cobalt); font-size: 2rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 850px; padding: 0 60px 22px 0; color: var(--muted); }
.contact-section { grid-template-columns: minmax(0, .9fr) minmax(380px, 1.1fr); gap: 8%; color: white; background: var(--ink); }
.contact-copy h2 { font-size: clamp(2.8rem, 5vw, 5.4rem); }
.contact-copy > p:not(.label) { max-width: 650px; color: #b7bac1; }
.contact-email { display: block; width: max-content; max-width: 100%; margin: 38px 0; color: var(--lime); font-size: clamp(1.4rem, 3vw, 2.5rem); font-weight: 800; text-decoration-color: var(--coral); text-underline-offset: 8px; overflow-wrap: anywhere; }
.contact-copy address { max-width: 600px; color: #b7bac1; font-size: .82rem; font-style: normal; }
.contact-form { padding: 30px; color: var(--ink); background: white; }
.contact-form label { display: block; margin-bottom: 18px; }
.contact-form label span { display: block; margin-bottom: 7px; font-size: .7rem; font-weight: 800; text-transform: uppercase; }
.contact-form textarea { resize: vertical; }
.form-note { margin: 13px 0 0; color: var(--muted); font-size: .68rem; }
.form-confirmation { margin-top: 18px; padding: 15px; border: 1px solid var(--ink); background: var(--lime); }
.form-confirmation p { margin: 5px 0 0; font-size: .78rem; }

footer { display: grid; grid-template-columns: 1fr auto; gap: 30px; padding: 45px max(24px, calc((100vw - var(--max)) / 2)); border-top: 1px solid var(--line); }
.footer-mark { display: flex; align-items: center; gap: 12px; font-size: .82rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; font-size: .72rem; font-weight: 700; }
footer > p { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: .68rem; }

@media (max-width: 1050px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav, .header-mail { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav {
    position: absolute; top: 78px; right: 0; left: 0; display: none;
    padding: 18px 24px 28px; border-bottom: 1px solid var(--ink); background: white;
  }
  .mobile-nav.open { display: grid; gap: 22px; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .hero { grid-template-columns: 1fr; }
  .hero-system { min-height: 410px; }
  .hero-facts { grid-column: 1; }
  .section-heading { grid-template-columns: 1fr; }
  .section-heading > * { grid-column: 1 !important; }
  .section-heading .label { margin-bottom: -20px; }
  .people-grid { grid-template-columns: 1fr 1fr; }
  .people-grid article:last-child { grid-column: 1 / -1; }
  .file-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 70px; }
  .site-header { min-height: 68px; padding-inline: 16px; }
  .mobile-nav { top: 68px; }
  .brand small { display: none; }
  .hero, .section { padding: 76px 16px; border: 0; }
  .hero { min-height: 0; gap: 50px; }
  .hero h1 { font-size: clamp(3.1rem, 17vw, 5.2rem); }
  .hero-system { min-height: 330px; }
  .hero-tile { padding: 12px; }
  .hero-tile b { font-size: 1.25rem; }
  .hero-tile small { display: none; }
  .hero-facts { grid-template-columns: 1fr; gap: 12px; }
  .hero-facts div { padding-top: 12px; border-top: 1px solid var(--line); }
  .section { display: block; }
  .section-index { width: 100px; min-height: 100px; margin-bottom: 38px; }
  .section-index span { font-size: 2rem; }
  .triad-grid, .mini-products, .publishing-grid, .material-matrix, .configurator, .file-grid, .use-cases, .people-grid, .timeline { grid-template-columns: 1fr; }
  .catalog-card { min-height: 260px; }
  .catalog-card p { min-height: 0; }
  .spec-list div { grid-template-columns: 1fr; gap: 8px; }
  .three-metrics { grid-template-columns: 1fr; }
  .three-metrics div { min-height: 160px; border-right: 0; border-bottom: 1px solid #555861; }
  .three-metrics b { margin-top: 25px; }
  .config-result { grid-column: 1; }
  .process-list li { grid-template-columns: 65px 1fr; gap: 15px; }
  .activity-list div { grid-template-columns: 75px 1fr; }
  .wholesale-note { grid-template-columns: 1fr; }
  .registry-grid { grid-template-columns: 1fr; }
  .registry-grid .wide { grid-column: 1; }
  .people-grid article:last-child { grid-column: 1; }
  .timeline article, .timeline article:not(:first-child) { min-height: 160px; padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .timeline time { margin-bottom: 30px; }
  .contact-section { display: block; }
  .contact-form { margin-top: 48px; padding: 22px 16px; }
  footer { grid-template-columns: 1fr; }
  .footer-links { display: grid; grid-template-columns: 1fr 1fr; }
  footer > p { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}