@font-face {
  font-family: "DM Serif Display";
  src: url("../fonts/DMSerifDisplay-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --red: #ff002e;
  --red-hover: #d60027;
  --ink: #171a18;
  --body: #525752;
  --muted: #737970;
  --page: #fdfdfb;
  --tint: #f3f4ef;
  --line: #d9ddd5;
  --display: "DM Serif Display", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wrap: 1344px;
  --gutter: clamp(22px, 4.3vw, 64px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body { margin: 0; background: var(--page); color: var(--body); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
::selection { background: var(--red); color: white; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4 { color: var(--ink); margin-top: 0; text-wrap: pretty; }
h1, h2 { font-family: var(--display); font-weight: 400; letter-spacing: -.035em; }
p { margin: 0; }
svg { flex-shrink: 0; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 6px; }
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 12px 20px; background: white; color: var(--ink); transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.eyebrow { display: flex; align-items: center; gap: 12px; font-size: 11px; line-height: 1.5; font-weight: 650; letter-spacing: .13em; text-transform: uppercase; color: var(--ink); }
.section-number { color: var(--red); margin-right: 5px; letter-spacing: .06em; }
.status-pixel { display: inline-block; width: 7px; height: 7px; background: var(--red); flex: 0 0 auto; }
.icon { width: 24px; height: 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 27px; min-height: 50px; border: 1px solid transparent; padding: 12px 23px; font-size: 13px; font-weight: 600; border-radius: 2px; transition: background .18s, color .18s, border-color .18s; }
.button .icon { width: 19px; height: 19px; }
.button-primary { background: var(--red); color: white; }
.button-primary:hover { background: var(--red-hover); }
.button-primary:disabled { cursor: not-allowed; background: var(--red); }
.button-secondary { border-color: var(--ink); color: var(--ink); background: transparent; }
.button-secondary:hover { background: var(--ink); color: white; }
.booking { display: flex; align-items: flex-start; flex-direction: column; gap: 7px; }
.booking-note { font-size: 11px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 15px; min-height: 50px; font-size: 13px; font-weight: 550; color: var(--ink); }
.text-link:hover { color: var(--red); }
.text-link .icon { width: 17px; height: 17px; }

/* Shared navigation: the native disclosure remains usable without JavaScript. */
.header { position: sticky; top: 0; z-index: 50; background: rgb(253 253 251 / 96%); border-bottom: 1px solid var(--line); }
.header-inner { height: 89px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-block; flex: 0 0 auto; }
.brand img { width: 222px; }
.header-actions { display: flex; align-items: center; gap: 35px; }
.language-switch { display: inline-flex; gap: 10px; align-items: center; min-height: 44px; color: var(--muted); font-size: 11px; letter-spacing: .04em; }
.language-switch .current { color: var(--ink); font-weight: 750; }
.language-divider { color: #b0b5aa; }
.menu { position: relative; color: var(--ink); }
.menu summary { display: flex; gap: 22px; align-items: center; min-height: 44px; cursor: pointer; list-style: none; font-size: 12px; }
.menu summary::-webkit-details-marker { display: none; }
.burger { position: relative; display: block; width: 25px; height: 14px; border-top: 1px solid; border-bottom: 1px solid; }
.burger::after { content: ""; position: absolute; inset: 5px 0 auto; height: 1px; background: currentColor; }
.menu[open] .burger { border: 0; }
.menu[open] .burger::before, .menu[open] .burger::after { content: ""; position: absolute; left: 0; top: 6px; width: 25px; height: 1px; background: currentColor; transform: rotate(45deg); }
.menu[open] .burger::after { transform: rotate(-45deg); }
.menu-panel { position: absolute; top: 62px; right: 0; width: 330px; background: var(--page); border: 1px solid var(--line); box-shadow: 0 18px 35px rgb(23 26 24 / 8%); padding: 12px 24px; }
.menu-panel a { display: flex; align-items: center; gap: 15px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.menu-panel a:last-child { border: 0; }
.menu-panel a > span:first-child { margin-right: auto; }
.menu-panel a:hover, .menu-panel a[aria-current] { color: var(--red); }
.menu-panel small { color: var(--muted); font-size: 10px; }

/* Editorial hero meets a quiet, pre-rendered technical product scene. */
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding-block: 66px 76px; }
.hero-copy { padding-block: 20px; }
.hero .eyebrow { margin-bottom: 27px; }
.hero h1 { font-size: clamp(54px, 6.3vw, 86px); line-height: 1.035; margin-bottom: 28px; max-width: 600px; }
.hero h1 span { display: block; }
.hero h1 .accent { color: var(--red); }
.hero-description { font-size: 16px; line-height: 1.75; max-width: 460px; }
.hero-actions { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 22px 27px; margin-top: 29px; }
.hero-visual { margin: 0; position: relative; background: #303631; align-self: stretch; min-height: 555px; overflow: hidden; border: 1px solid #d1d6ce; }
.hero-visual picture { position: absolute; inset: 0; }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, #101913aa, transparent 20%, transparent 80%, #101913aa); }
.visual-topline, .hero-visual figcaption { position: absolute; left: 23px; right: 23px; display: flex; justify-content: space-between; align-items: center; z-index: 1; color: #fff; text-shadow: 0 1px 4px #000; font-size: 10px; letter-spacing: .05em; }
.visual-topline { top: 22px; }
.visual-topline > span:first-child { display: flex; align-items: center; gap: 9px; }
.hero-visual figcaption { bottom: 18px; }
.visual-cross { font-size: 25px; font-weight: 300; line-height: 1; }
.intro { background: var(--tint); border-block: 1px solid var(--line); }
.intro-inner { display: grid; grid-template-columns: 1fr 2fr; gap: 70px; padding-block: 58px; align-items: start; }
.intro .eyebrow { padding-top: 10px; max-width: 245px; align-items: baseline; }
.intro-statement { font: 400 clamp(25px, 2.3vw, 32px)/1.45 var(--display); letter-spacing: -.01em; color: var(--ink); max-width: 780px; }

/* Four directly addressable application panels, three cards per initial view. */
.applications { padding-block: 101px 104px; }
.section-heading { margin-bottom: 42px; }
.section-heading .eyebrow { margin-bottom: 18px; }
h2 { font-size: clamp(36px, 4vw, 53px); line-height: 1.14; margin-bottom: 0; }
.area-tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); gap: 18px; }
.area-tab { display: flex; flex-direction: column; gap: 8px; padding: 15px 0 22px; font-size: 14px; font-weight: 550; color: var(--muted); position: relative; }
.tab-index { font-size: 10px; font-weight: 400; color: var(--muted); }
.area-tab::after { content: ""; position: absolute; inset: auto 0 -1px; height: 2px; background: transparent; }
.area-tab:hover { color: var(--ink); }
.area-tab.active { color: var(--ink); }
.area-tab.active .tab-index { color: var(--red); }
.area-tab.active::after { background: var(--red); }
.area-intro { display: grid; grid-template-columns: 1fr 2fr; gap: 62px; margin-block: 35px; align-items: start; }
.area-intro h3 { font-family: var(--display); font-size: 27px; line-height: 1.25; font-weight: 400; margin-bottom: 0; }
.area-intro p { max-width: 725px; font-size: 15px; line-height: 1.8; }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.case-card { background: var(--tint); border: 1px solid #e5e8df; padding: 29px 27px 33px; }
.case-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 33px; color: var(--red); }
.case-top .icon { width: 29px; height: 29px; }
.case-top span { font-size: 10px; color: var(--muted); }
.case-card h4 { font-size: 20px; line-height: 1.3; font-family: var(--display); font-weight: 400; margin-bottom: 15px; }
.case-card p { font-size: 14px; line-height: 1.85; }
.cases-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 25px; }
.cases-bottom > span { font-size: 11px; color: var(--muted); }
.cases-bottom .button { min-width: 125px; }
[data-more][aria-expanded="true"] .icon { transform: rotate(45deg); }

/* Connected sensor / feedback / AI / action diagram. */
.system-section { background: #1b211d; color: #bec6be; padding-block: 88px 97px; }
.system-section .eyebrow { color: #c6cec6; }
.system-section h2, .system-section h3 { color: #f6f7f0; }
.system-section .section-number { color: #ff4262; }
.system-section .section-heading { margin-bottom: 65px; }
.system-grid { display: grid; grid-template-columns: minmax(0, 1fr) 80px minmax(0, 1fr) 80px minmax(0, 1fr); align-items: center; }
.system-inputs { display: grid; gap: 25px; }
.system-card { padding: 25px; border: 1px solid #3c463c; background: #232b25; }
.system-icons { display: flex; gap: 17px; margin-bottom: 21px; color: #e5ebe0; }
.system-icons .icon { width: 26px; height: 26px; }
.system-grid h3 { font-family: var(--display); font-size: 25px; font-weight: 400; line-height: 1.2; margin-bottom: 14px; }
.system-grid p { font-size: 13px; line-height: 1.85; }
.system-ai { text-align: center; padding: 10px 15px; }
.ai-symbol { display: grid; place-items: center; width: 119px; height: 119px; margin: 0 auto 32px; color: #f5f6ed; }
.ai-symbol .icon { width: 49px; height: 49px; stroke-width: 1; }
.system-connector { position: relative; min-height: 240px; }
.system-connector-input span { position: absolute; left: 0; width: 50%; height: 50%; border-right: 1px solid #677762; }
.system-connector-input span:first-child { top: 0; border-top: 1px solid #677762; }
.system-connector-input span:last-child { bottom: 0; border-bottom: 1px solid #677762; }
.system-connector-input::after, .system-connector-output span { content: ""; position: absolute; top: 50%; right: 0; height: 1px; background: #677762; width: 50%; }
.system-connector-output span { width: 100%; }
.system-connector-output span::after { content: ""; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-right: 1px solid #9cae95; border-top: 1px solid #9cae95; transform: rotate(45deg); }

/* Shared contact and footer. */
.contact-section { padding-block: 89px 99px; border-bottom: 1px solid var(--line); }
.contact-inner { display: flex; flex-direction: column; align-items: center; text-align: center; }
.contact-pixel { width: 13px; height: 13px; background: var(--red); transform: rotate(-15deg); margin-bottom: 27px; }
.contact-inner h2 { max-width: 815px; font-size: clamp(35px, 4vw, 53px); }
.contact-inner .booking { margin-top: 31px; align-items: center; }
.footer { padding-block: 38px 22px; }
.footer-top, .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-top { padding-bottom: 37px; }
.footer-top .brand img { width: 192px; }
.footer-top p { font-family: var(--display); font-size: 18px; color: var(--ink); }
.footer-bottom { font-size: 10px; color: var(--muted); }
.footer-bottom nav { display: flex; gap: 25px; }
.footer-bottom a:hover { color: var(--red); }
.pending-page { padding-block: 100px 130px; min-height: 65vh; }
.pending-page h1 { font-size: clamp(45px, 7vw, 80px); line-height: 1.1; margin-block: 25px; }
.pending-page p:not(.eyebrow) { max-width: 640px; margin-bottom: 30px; }

/* Shared legal pages: a readable text measure and data-driven DE/EN sections. */
.legal-page { padding-block: 66px 95px; }
.legal-inner { max-width: 820px; }
.legal-page h1 { font-size: clamp(39px, 5.5vw, 72px); line-height: 1.12; margin-block: 24px; overflow-wrap: anywhere; }
.legal-lead { font-size: 17px; margin-bottom: 30px; }
.legal-notice { padding: 17px 20px; background: var(--tint); border-left: 2px solid var(--red); margin-bottom: 32px; font-size: 14px; }
.legal-section { margin-top: 35px; }
.legal-section h2 { font-size: clamp(25px, 3vw, 31px); line-height: 1.25; letter-spacing: -.015em; margin-bottom: 15px; }
.legal-section p { margin-bottom: 17px; font-size: 15px; line-height: 1.9; overflow-wrap: anywhere; }
.legal-page a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--red); text-underline-offset: 4px; }
.legal-page a:hover { color: var(--red); }
.legal-section .legal-status { border-left: 2px solid var(--line); padding-left: 17px; color: var(--muted); }
.legal-updated { font-size: 12px; color: var(--muted); margin-top: 44px; }

@media (min-width: 1500px) { .hero { padding-block: 83px 92px; } }
@media (max-width: 1100px) {
  .hero { gap: 30px; padding-block: 45px 58px; }
  .hero h1 { font-size: clamp(48px, 6.4vw, 70px); }
  .hero-visual { min-height: 525px; }
  .hero-actions { gap: 17px; }
  .intro-inner { gap: 40px; }
  .area-intro { gap: 30px; }
  .case-card { padding: 25px 20px; }
  .system-grid { grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr) 40px minmax(0, 1fr); }
  .system-card { padding: 22px 19px; }
}
@media (max-width: 800px) {
  html { scroll-padding-top: 90px; }
  .header-inner { height: 74px; }
  .brand img { width: 198px; }
  .header-actions { gap: 24px; }
  .menu-label { display: none; }
  .menu summary { padding-left: 9px; }
  .menu-panel { top: 59px; }
  .hero { grid-template-columns: 1fr; gap: 35px; padding-block: 42px 45px; }
  .hero-copy { padding: 0; }
  .hero h1 { max-width: 650px; font-size: clamp(52px, 9.2vw, 76px); }
  .hero-description { max-width: 590px; }
  .hero .eyebrow { margin-bottom: 23px; }
  .hero-visual { min-height: 0; aspect-ratio: 1.2; }
  .intro-inner { grid-template-columns: 1fr; gap: 20px; padding-block: 40px; }
  .intro .eyebrow { max-width: none; padding: 0; }
  .intro-statement { font-size: 28px; }
  .applications { padding-block: 65px; }
  .section-heading { margin-bottom: 30px; }
  .area-tabs { gap: 14px; }
  .area-tab { font-size: 12px; padding-bottom: 17px; }
  .area-intro { grid-template-columns: 1fr; gap: 14px; margin-block: 28px; }
  .area-intro h3 { font-size: 26px; }
  .case-grid { grid-template-columns: 1fr; gap: 14px; }
  .case-card { padding: 26px 27px 29px; }
  .case-top { margin-bottom: 20px; }
  .case-card h4 { font-size: 24px; }
  .case-card p { font-size: 15px; }
  .system-section { padding-block: 65px; }
  .system-section .section-heading { margin-bottom: 37px; }
  .system-grid { grid-template-columns: 1fr; }
  .system-inputs { grid-template-columns: 1fr 1fr; gap: 15px; }
  .system-card { padding: 26px; }
  .system-connector { min-height: 45px; width: 100%; }
  .system-connector-input span { top: 0 !important; height: 50%; width: 25%; border: 0 !important; border-bottom: 1px solid #677762 !important; }
  .system-connector-input span:first-child { left: 25%; border-left: 1px solid #677762 !important; }
  .system-connector-input span:last-child { left: 50%; border-right: 1px solid #677762 !important; }
  .system-connector-input::after { top: 50%; left: 50%; height: 50%; width: 1px; }
  .system-connector-output span { width: 1px; height: 100%; top: 0; left: 50%; }
  .system-connector-output span::after { right: -3px; top: auto; bottom: 0; transform: rotate(135deg); }
  .system-ai { max-width: 440px; margin-inline: auto; padding-block: 15px 28px; }
  .system-action { text-align: center; }
  .system-action .system-icons { justify-content: center; }
  .system-grid p { font-size: 14px; }
  .contact-section { padding-block: 65px; }
  .footer-top { align-items: flex-start; flex-direction: column; gap: 15px; padding-bottom: 28px; }
  .footer-note { display: none; }
}
@media (max-width: 480px) {
  .brand img { width: 180px; }
  .header-actions { gap: 14px; }
  .language-switch { gap: 7px; }
  .menu-panel { width: min(330px, calc(100vw - 44px)); }
  .hero h1 { font-size: clamp(44px, 12.5vw, 60px); }
  .hero-description { font-size: 15px; }
  .hero-actions { gap: 19px; }
  .hero .text-link { font-size: 12px; gap: 7px; }
  .hero .button { gap: 19px; padding-inline: 18px; }
  .visual-topline, .hero-visual figcaption { left: 16px; right: 16px; font-size: 9px; }
  .visual-topline { top: 16px; }
  .hero-visual figcaption { bottom: 13px; }
  .intro-statement { font-size: 25px; }
  .eyebrow { font-size: 10px; letter-spacing: .09em; }
  .area-tabs { grid-template-columns: 1fr 1fr; gap: 0 22px; }
  .area-tab { font-size: 13px; padding-block: 12px 15px; }
  .area-tab:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .system-inputs { grid-template-columns: 1fr; }
  .system-connector-input span { display: none; }
  .system-connector-input::after { top: 0; height: 100%; }
  .footer-bottom { align-items: flex-start; gap: 22px; }
  .footer-bottom nav { gap: 16px; }
}
/* The English claim is longer than the German one; keep it on three lines. */
@media (min-width: 801px) { html[lang="en"] .hero h1 { font-size: clamp(42px, 5.2vw, 74px); } }
@media (max-width: 340px) { html[lang="en"] .hero h1 { font-size: 36px; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
