/* ════════════════════════════════════════════════
   iot-rockstars — Anlagenschema
   Startseite als TGA-Zeichnungsblatt
   ════════════════════════════════════════════════ */

/* ── SCHRIFTEN ── */
@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/barlow-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/barlow-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/barlow-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Semi Condensed';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/barlow-semi-condensed-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Semi Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/barlow-semi-condensed-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Semi Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/barlow-semi-condensed-latin-700-normal.woff2') format('woff2');
}
/* ISO-3098-Normschrift (osifont, LGPL-3 mit Font-Ausnahme), Teilmenge Latin */
@font-face {
  font-family: 'Normschrift';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/osifont-latin.woff2') format('woff2');
}

/* ── TOKENS ── */
:root {
  /* Grund & Tusche */
  --film: #f4f4f1;          /* Zeichenfolie */
  --film-deep: #e8ebe9;     /* Schriftfeld-Hinterlegung */
  --ink: #172d37;           /* Tusche: dunkles Petrol */
  --ink-soft: #3e5660;      /* Fließtext sekundär */
  --ink-mute: #536c76;      /* Beschriftung tertiär */
  --construct: #a3b2b7;     /* Hilfslinien, nie Text */
  --rule: #c6d1d4;          /* Haarlinien */
  --film-mid: #d6dddb;      /* dritte Flächenstufe (Zeitplan-Bänder) */

  /* Markenfarben aus dem Logo */
  --petrol: #204050;        /* Rahmen, Schriftfeld, Controller */
  --petrol-hover: #2c5568;  /* Hover auf Petrolflächen */
  --petrol-tint: #e4ecee;   /* helle Petrolfläche */
  --on-petrol-mute: #b9cdd3;/* Beschriftung auf Petrol */
  --orange: #d87858;        /* Handlung: Projekt besprechen */
  --orange-hover: #e6937a;
  --orange-line: #c4643f;   /* Unterstreichungen, aktive Navigation */
  --orange-text: #a8502f;   /* Orange als Schrift */
  --ink-hover: var(--petrol-hover);
  --on-ink-mute: var(--on-petrol-mute);

  /* Gewerk der Seite (wird je Seite oder Abschnitt gesetzt) */
  --trade: var(--petrol);
  --trade-tint: var(--petrol-tint);
  --shot-ground: #ffffff;   /* Hinterlegung echter Screenshots */

  /* Funktionsfarben der Leitungen */
  --vorlauf: #b8302a;
  --ruecklauf: #2856a3;
  --luft: #1f7a5a;
  --elektro: #8f6a00;
  --elektro-line: #c79a1a;
  --revision: #b5136a;      /* Revisionswolke: Störung */
  --ok: #1f7a5a;

  /* Strichstärken nach ISO 128 */
  --w-thick: 2.8px;
  --w-mid: 1.8px;
  --w-thin: 1.2px;

  --font-text: 'Barlow', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Barlow Semi Condensed', 'Barlow', 'Helvetica Neue', Arial, sans-serif;
  --font-label: 'Normschrift', 'Barlow', Arial, sans-serif;

  --gutter: clamp(1rem, 3.2vw, 2.75rem);
  --sheet-max: 1440px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── GEWERKE ── */
.trade-heat  { --trade: var(--vorlauf); --trade-tint: #f6e8e4; }
.trade-air   { --trade: var(--luft);    --trade-tint: #e2efe9; }
.trade-power { --trade: var(--elektro); --trade-tint: #f3ecd8; }

/* ── BASIS ── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--film);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

::selection { background: var(--ink); color: var(--film); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }

/* Deutsche Komposita brechen statt überzulaufen */
p, li, td, th, dd, figcaption, caption, small, .tb-sub, .label {
  hyphens: auto;
  -webkit-hyphens: auto;
  hyphenate-limit-chars: 10 4 4;
  overflow-wrap: break-word;
}
h1, h2, h3, h4 { overflow-wrap: break-word; hyphens: manual; -webkit-hyphens: manual; }
.case > *, .system > *, .teasers > *, .hero__frame > *, .titleblock > * { min-width: 0; }
/* Sicherheitsnetz: breite Tabellen scrollen im Rahmen, nicht die Seite */
.drawing { overflow-x: auto; }
.imprint .spec { display: block; overflow-x: auto; }
@media (min-width: 43.76em) { .imprint .spec { display: table; } }

a { color: inherit; text-underline-offset: 0.2em; text-decoration-thickness: 1px; }

img { max-width: 100%; display: block; }

:focus-visible {
  outline: 2px solid var(--revision);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 300;
  background: var(--ink);
  color: var(--film);
  padding: 0.6rem 1rem;
  font-weight: 600;
  text-decoration: none;
}
.skip:focus { top: 0.75rem; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.label {
  font-family: var(--font-label);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--ink-mute);
}

/* ── BLATTKOPF / NAV ── */
.sheet-head {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--film);
  border-bottom: var(--w-mid) solid var(--petrol);
}

.sheet-head__inner {
  max-width: var(--sheet-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  min-height: 3.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-right: 1.25rem;
  margin-right: 1.25rem;
  border-right: var(--w-thin) solid var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand img { width: 30px; height: 30px; }

.nav-desk { display: flex; align-items: stretch; flex: 1; }
.nav-menu { display: none; }

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  flex: 1;
}

.nav-links a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 0.9rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover { color: var(--ink); border-bottom-color: var(--orange-line); }

.nav-phone {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
  padding-left: 1.25rem;
  border-left: var(--w-thin) solid var(--ink);
}
.nav-phone a {
  font-weight: 600;
  color: var(--petrol);
  text-decoration: none;
  white-space: nowrap;
}
.nav-phone a:hover { text-decoration: underline; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.7rem 1.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.005em;
  text-decoration: none;
  border: var(--w-mid) solid var(--ink);
  transition: background-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}
.btn svg { width: 1.1em; height: 1.1em; flex: none; }
.btn--ink { background: var(--orange); border-color: var(--orange); color: var(--ink); }
.btn--ink:hover { background: var(--orange-hover); border-color: var(--orange-hover); }

.more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange-line);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
}
.more svg { color: var(--orange-text); }
.more:hover { text-decoration-thickness: 3px; }

/* ── BLATT (Abschnitt) ── */
.sheet {
  max-width: var(--sheet-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.sheet-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: var(--w-thick) solid var(--trade);
  margin-bottom: 2.75rem;
}
.sheet-title h2 {
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  max-width: 30ch;
}
.sheet-title .label { white-space: nowrap; }

section.part {
  padding-top: clamp(4.5rem, 9vw, 7.5rem);
}

.lede {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 58ch;
}

/* ── HERO: das Schema ── */
.hero {
  max-width: var(--sheet-max);
  margin: 0 auto;
  padding: 2.6rem var(--gutter) 0;
}

.hero__frame {
  position: relative;
  border: var(--w-thick) solid var(--petrol);
  display: grid;
  grid-template-columns: minmax(22rem, 1fr) 1.45fr;
  grid-template-rows: 1fr auto;
}

/* Feldeinteilung am Blattrand */
.zones {
  position: absolute;
  inset: -2.15rem 0 auto 0;
  display: flex;
  justify-content: space-around;
  pointer-events: none;
}
.zones span {
  font-family: var(--font-label);
  font-size: 0.75rem;
  color: var(--ink-mute);
}

.hero__copy {
  padding: clamp(1.75rem, 3vw, 2.75rem);
  border-right: var(--w-mid) solid var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 3.7vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.h1-accent { display: block; color: var(--orange-text); }

.hero__text {
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 34ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

.hero__drawing {
  position: relative;
  padding: clamp(0.75rem, 1.5vw, 1.25rem);
  display: flex;
  align-items: center;
  min-width: 0;
}

.schema { width: 100%; height: auto; display: block; overflow: visible; }
.schema--portrait { display: none; }

.schema text {
  font-family: var(--font-label);
  fill: var(--ink);
}
.schema .t-s { font-size: 14px; fill: var(--ink-mute); }
.schema .t-m { font-size: 16px; }
.schema .t-l { font-size: 21px; }
.schema .t-rev { fill: var(--revision); }
.schema .t-ok { fill: var(--ok); }
.schema .t-vl { fill: var(--vorlauf); }
.schema .t-rl { fill: var(--ruecklauf); }
.schema .t-lu { fill: var(--luft); }

.schema .t-p { font-size: 13px; fill: var(--ink-mute); }

.schema .ln { fill: none; stroke: var(--ink); stroke-width: 2.2; }
.schema .ln-thick { fill: none; stroke: var(--ink); stroke-width: 3.2; }
.schema .ln-thin { fill: none; stroke: var(--ink); stroke-width: 1.6; }
.schema .ln-construct { fill: none; stroke: var(--construct); stroke-width: 1.4; stroke-dasharray: 2 4; }
.schema .bus { fill: none; stroke: var(--ink); stroke-width: 2; stroke-dasharray: 10 5 2.5 5; }
.schema .vl { fill: none; stroke: var(--vorlauf); stroke-width: 4; }
.schema .rl { fill: none; stroke: var(--ruecklauf); stroke-width: 4; }
.schema .lu { fill: none; stroke: var(--luft); stroke-width: 4; }
.schema .el { fill: none; stroke: var(--elektro-line); stroke-width: 3.2; }
.schema .sym { fill: var(--film); stroke: var(--ink); stroke-width: 2.4; }
.schema .sym-fill { fill: var(--ink); stroke: none; }
.schema .core { fill: var(--petrol); }
.schema .core-text { fill: var(--film); font-family: var(--font-display); font-weight: 700; }
.schema .core-rule { stroke: var(--on-petrol-mute); stroke-width: 1.2; opacity: .6; }
.schema .core-sub { font-size: 15px; fill: var(--on-petrol-mute); }
.schema .cloud { fill: none; stroke: var(--revision); stroke-width: 3; stroke-linejoin: round; }
.schema .rev-tri { fill: var(--film); stroke: var(--revision); stroke-width: 2.4; }
.schema .tag { fill: var(--film); stroke: var(--revision); stroke-width: 2.2; }

/* Startseiten-Schema: weniger Teile, größer beschriftet */
.schema--hero .t-s { font-size: 17px; }
.schema--hero .t-m { font-size: 19px; }
.schema--hero .t-l { font-size: 25px; }
.schema--hero .t-p { font-size: 15px; }
.schema--portrait .t-s { font-size: 15px; }
.schema--portrait .t-m { font-size: 16px; }
.schema--portrait .t-l { font-size: 20px; }
.schema--portrait .t-p { font-size: 13px; }
.schema a text { text-decoration: underline; }
.schema a:hover text { fill: var(--revision); }
.schema a:focus-visible { outline: none; }
.schema a:focus-visible .hit { stroke: var(--revision); stroke-width: 2; }
.schema .hit { fill: transparent; stroke: none; }

/* Schriftfeld */
.titleblock {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr 1.2fr;
  border-top: var(--w-thick) solid var(--petrol);
}
.tb-cell {
  padding: 0.75rem 1rem 0.85rem;
  border-right: var(--w-thin) solid var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}
.tb-cell:last-child { border-right: none; }
.tb-cell .label { font-size: 0.75rem; }
.tb-figure {
  color: var(--trade);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  line-height: 1;
  letter-spacing: -0.01em;
}
.tb-figure small {
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0;
  color: var(--ink-soft);
}
.tb-sub { font-size: 0.95rem; color: var(--ink-soft); }
.tb-org { font-weight: 600; }
.tb-cell--release {
  background: var(--petrol);
  justify-content: space-between;
}
.tb-cell--release .btn { width: 100%; }
.tb-cell--release .label { color: var(--on-petrol-mute); }
.titleblock--sub .tb-cell:first-child { background: var(--trade-tint); }
.titleblock--sub .tb-cell:first-child .tb-org { color: var(--trade); font-size: 1.3rem; }

/* ── WOHNUNGSBAU / FILIALEN ── */
.case {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.case__text { display: flex; flex-direction: column; gap: 1.5rem; }

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--w-mid) solid var(--ink);
}
.checklist li {
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: var(--w-thin) solid var(--rule);
}
.checklist svg { width: 1.25rem; height: 1.25rem; margin-top: 0.2rem; }
.checklist strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.25;
}
.checklist span { color: var(--ink-soft); }

/* Datentabelle (Heizungsarten) */
.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
}
.spec caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 0.5rem;
}
.spec th, .spec td {
  text-align: left;
  padding: 0.6rem 0.75rem 0.6rem 0;
  border-bottom: var(--w-thin) solid var(--rule);
}
.spec thead th {
  font-family: var(--font-label);
  font-weight: 400;
  font-size: 0.8125rem;
  color: var(--ink-mute);
  border-bottom: var(--w-mid) solid var(--ink);
}
.spec tbody th { font-weight: 600; }
.spec td { color: var(--ink-soft); }
.spec tbody th { hyphens: manual; -webkit-hyphens: manual; }

.case .drawing { position: sticky; top: 5.5rem; }
.case .drawing { background: var(--trade-tint); border-color: var(--trade); }
.case .drawing .spec thead th { border-bottom-color: var(--trade); }
.drawing .spec + .spec { margin-top: 1.75rem; }
.lede--intro { margin-bottom: 2rem; }
.lede--lead { margin-bottom: 0.5rem; }
.more-row { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; }
.caption { margin-top: 0.5rem; }
.drawing {
  margin: 0;
  border: var(--w-mid) solid var(--ink);
  padding: clamp(1rem, 2vw, 1.5rem);
  background: var(--film);
}
.drawing figcaption {
  margin-top: 0.85rem;
  padding-top: 0.6rem;
  border-top: var(--w-thin) solid var(--ink);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}


/* Startseite: Teaser je Angebot und Produkt */
.teasers {
  display: grid;
  border-bottom: var(--w-mid) solid var(--ink);
}
.teasers--3 { grid-template-columns: 1.25fr 1fr 1fr; }
.teasers--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.teaser {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem clamp(1.25rem, 2.5vw, 2.25rem) 2rem;
  border-top: var(--w-thick) solid var(--trade);
}
.teaser:first-child { padding-left: 0; }
.teaser:last-child { padding-right: 0; }
.teaser + .teaser { border-left: var(--w-thin) solid var(--ink); }
.teasers--2 .teaser { border-top: none; padding-top: 0.5rem; }
.teaser__sym { width: 72px; height: 48px; display: block; }
.teaser h3 { font-size: clamp(1.6rem, 2.3vw, 2.05rem); font-weight: 700; line-height: 1.1; }
.teaser > p { color: var(--ink-soft); font-size: 1.08rem; max-width: 46ch; }
.teaser .protos { margin-top: 0; }
.teaser__spec { margin: 0; border-top: var(--w-mid) solid var(--ink); }
.teaser__spec > div { padding: 0.55rem 0 0.6rem; border-bottom: var(--w-thin) solid var(--rule); }
.teaser__spec dd { margin: 0.1rem 0 0; font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; line-height: 1.25; }
.teaser__spec > div:first-child dd { color: var(--trade); }
.teaser > .more { margin-top: auto; padding-top: 0.5rem; align-self: flex-start; }

/* Die zwei Produkte */
.system {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: var(--w-mid) solid var(--ink);
}
.unit { padding: 0 clamp(1.25rem, 3vw, 2.5rem) clamp(1.5rem, 3vw, 2.25rem) 0; }
.unit + .unit { padding-left: clamp(1.25rem, 3vw, 2.5rem); padding-right: 0; border-left: var(--w-mid) solid var(--ink); }
.unit__head {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.25rem;
  align-items: start;
  margin-bottom: 1.5rem;
}
.unit__sym { width: 72px; height: 48px; display: block; margin-top: 0.3rem; }
.unit h3 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); font-weight: 700; line-height: 1.1; }
.unit__head p { color: var(--ink-soft); font-size: 1.1rem; margin-top: 0.4rem; max-width: 42ch; }
.unit__facts { margin: 0; border-top: var(--w-mid) solid var(--ink); }
.unit__facts > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem 1.25rem;
  padding: 0.85rem 0;
  border-bottom: var(--w-thin) solid var(--rule);
}
.unit__facts > div:last-child { border-bottom: none; }
.unit__facts dt { font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; line-height: 1.25; }
.unit__facts dd { margin: 0; color: var(--ink-soft); }

/* KI-Report-Übersicht */
.ki-overview {
  margin: clamp(3rem, 6vw, 4.5rem) 0 0;
  padding-top: 1.5rem;
  border-top: var(--w-mid) solid var(--ink);
}
.ki-overview__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 1rem 3rem;
  align-items: baseline;
  margin-bottom: 1.5rem;
}
.ki-overview__head h3 { font-size: 1.3rem; }
.ki-overview__head p { color: var(--ink-soft); max-width: 60ch; }
.ki-overview figcaption {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 2rem;
}
.ki-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  color: var(--ink-soft);
}
.ki-legend li { display: flex; align-items: center; gap: 0.6rem; }

.lp-features {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: var(--w-mid) solid var(--ink);
}
.sheet-title + .lp-features { margin-top: 0; border-top: none; }
.lp-features p {
  padding: 1rem 1.25rem 1rem 0;
  border-bottom: var(--w-thin) solid var(--rule);
  color: var(--ink-soft);
}
.lp-features strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
}

/* ── LAUNCHPAD: Positionsnummern + Stückliste ── */
/* Launchpad-Ansichten als Register */
.views__tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: var(--w-mid) solid var(--ink);
}
.views__tab {
  appearance: none;
  background: transparent;
  border: none;
  border-right: var(--w-thin) solid var(--ink);
  padding: 0.7rem 1rem 0.8rem;
  min-height: 3.5rem;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--ink);
  cursor: pointer;
  transition: background-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}
.views__tab:last-child { border-right: none; }
.views__tab .label { display: block; font-size: 0.8125rem; }
.views__tab:hover { background: var(--film-deep); }
.views__tab[aria-selected="true"] { background: var(--petrol); color: #ffffff; border-bottom: 4px solid var(--orange); padding-bottom: calc(0.8rem - 4px); }
.views__tab[aria-selected="true"] .label { color: var(--on-ink-mute); }
.views__tab:focus-visible { outline-offset: -4px; }
.views__tab[aria-selected="true"]:focus-visible, .tb-cell--call:focus-visible { outline-color: var(--film); outline-offset: -5px; }

.view { margin-top: 3rem; }
.view[hidden], .views__tabs[hidden] { display: none; }
.views--tabbed .view { margin-top: 0; padding-top: 1.75rem; }
.view__head { margin-bottom: 1.25rem; }
.view__head h3 { font-size: 1.3rem; margin-bottom: 0.4rem; }
.view__head h3 .label { letter-spacing: 0.02em; }
.views--tabbed .view__head h3 {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.view__head p { color: var(--ink-soft); max-width: 64ch; font-size: 1.2rem; }
.view__fig { margin: 0; min-width: 0; }
.view--split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 1fr);
  grid-template-areas: "head head" "fig parts";
  column-gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}
.view--split .view__head { grid-area: head; }
.view--split .view__fig { grid-area: fig; }
.view--split .parts { grid-area: parts; margin-top: 0; }
.view--split .parts__list { grid-template-columns: 1fr; }
.view--pair .view__shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
  align-items: stretch;
}
.view--pair .lp__shot { height: 100%; }
.views__note { margin-top: 1rem; }
.shots-wide { outline-offset: 4px; }
.lp__hint { display: none; }

/* KI-Übersicht im Wohnungsbau */
.lp__shot {
  position: relative;
  border: var(--w-mid) solid var(--ink);
  background: var(--shot-ground);
}
.lp__shot img { width: 100%; height: auto; }
.balloon {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--film);
  border: 1.6px solid var(--ink);
  display: grid;
  place-items: center;
  font-family: var(--font-label);
  font-size: 0.95rem;
  color: var(--ink);
}
.balloon--rev { border-color: var(--revision); color: var(--revision); }

.parts { margin-top: 1.5rem; }
.parts__list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr));
  border-top: var(--w-mid) solid var(--ink);
}
.parts__list li {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 0.5rem;
  padding: 0.75rem 1rem 0.75rem 0;
  border-bottom: var(--w-thin) solid var(--rule);
  color: var(--ink-soft);
}
.parts__pos {
  width: 1.7rem; height: 1.7rem;
  border-radius: 50%;
  border: 1.4px solid var(--ink);
  display: grid; place-items: center;
  font-family: var(--font-label);
  font-size: 0.85rem;
  color: var(--ink);
}
.parts__pos--rev { border-color: var(--revision); color: var(--revision); }
.parts strong { color: var(--ink); font-weight: 600; display: block; }

/* ── LEGENDE: Unabhängigkeit & Technik ── */
.legend {
  width: 100%;
  border-collapse: collapse;
}
.legend th, .legend td {
  text-align: left;
  vertical-align: top;
  padding: 1.1rem 1.5rem 1.1rem 0;
  border-bottom: var(--w-thin) solid var(--ink);
}
.legend__row { display: grid; grid-template-columns: 5.5rem 1fr; gap: 0 0.5rem; align-items: start; }
.legend__sym svg { width: 72px; height: 40px; display: block; }
.legend th:has(.legend__row) { width: 38%; }
.legend th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.2;
  width: 30%;
}
.legend td { color: var(--ink-soft); max-width: 60ch; }
.protos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.6rem;
  padding: 0;
  list-style: none;
}
.protos li {
  padding: 0.1rem 0.45rem 0.15rem;
  border: var(--w-thin) solid var(--rule);
  font-family: var(--font-label);
  font-size: 0.95rem;
  color: var(--ink);
}

/* ── TEAM: Bearbeiter-Zeile ── */
.team {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: var(--w-thick) solid var(--ink);
  border-bottom: var(--w-mid) solid var(--ink);
}
.team figure {
  margin: 0;
  padding: 1.25rem 1.25rem 1.25rem 0;
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  align-items: center;
  border-right: var(--w-thin) solid var(--ink);
}
.team figure + figure { padding-left: 1.25rem; }
.team figure:last-child { border-right: none; }
.team img {
  width: 4.5rem;
  height: 4.5rem;
  object-fit: cover;
  border: var(--w-thin) solid var(--ink);
}
.team figcaption strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.2;
}
.team figcaption span { font-size: 0.95rem; color: var(--ink-soft); }
.team-lede { margin-bottom: 2rem; }

/* ── KONTAKT: Schlussblatt mit Schriftfeld ── */
.release__frame {
  border: var(--w-thick) solid var(--petrol);
}
.release__body { padding: clamp(1.75rem, 4vw, 3.5rem); }
.release h2 {
  font-size: clamp(2.2rem, 4.4vw, 3.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 18ch;
}
.release .lede { margin-top: 1.1rem; }

.flow {
  list-style: none;
  margin: clamp(2.25rem, 4vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: var(--w-thick) solid var(--trade);
}
.flow li {
  position: relative;
  padding: 1.25rem 2.5rem 0 0;
}
.flow li + li { padding-left: 1.5rem; border-left: var(--w-thin) solid var(--ink); }
.flow h3 { font-size: 1.4rem; margin-bottom: 0.45rem; }
.flow p { color: var(--ink-soft); max-width: 36ch; }
.flow li:not(:last-child)::after {
  content: '';
  position: absolute;
  top: -8px;
  right: -1px;
  width: 14px;
  height: 14px;
  background: var(--trade);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.titleblock--release { grid-template-columns: 1.5fr 1.1fr 1fr 1fr; }
.tb-cell--call {
  background: var(--petrol);
  color: #ffffff;
  text-decoration: none;
  transition: background-color 0.2s var(--ease-out);
}
.tb-cell--call .label { color: var(--on-ink-mute); }
.tb-cell--call:hover { background: var(--ink-hover); }
.tb-call {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  line-height: 1.1;
}
.tb-call svg { width: 1.3rem; height: 1.3rem; flex: none; color: var(--orange); }
.tb-cell--link { text-decoration: none; }
.tb-cell--link .tb-org { text-decoration: underline; text-underline-offset: 0.2em; }
.tb-cell--link:hover { background: var(--film-deep); }

/* ── FUSS ── */
.sheet-foot { margin-top: clamp(3rem, 6vw, 4.5rem); border-top: var(--w-mid) solid var(--petrol); }
.sheet-foot__inner {
  max-width: var(--sheet-max);
  margin: 0 auto;
  padding: 1.1rem var(--gutter) 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  justify-content: space-between;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* ════════════════════════════════════════════════
   UNTERSEITEN
   ════════════════════════════════════════════════ */
.nav-links a[aria-current] { color: var(--ink); border-bottom-color: var(--orange-line); }

.crumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  font-family: var(--font-label);
  font-size: 0.8125rem;
  color: var(--ink-mute);
}
.crumbs li + li::before { content: '/'; margin-right: 0.5rem; }
.crumbs a { color: var(--ink-soft); }

.hero--sub h1 { font-size: clamp(2.2rem, 3.4vw, 3.2rem); }
.hero--sub .hero__drawing { flex-direction: column; align-items: stretch; justify-content: center; }
.drawing-scroll { min-width: 0; }
.drawing-hint { display: none; }
.titleblock--sub { grid-template-columns: 0.75fr 1.15fr 1fr 1fr 1.2fr; }

.case__sub { font-size: 1.3rem; margin-top: 0.5rem; }

/* Legende ohne Symbolspalte (Nutzen, Prinzipien) */
.legend--plain th { width: 32%; }

/* Prozess mit fünf Schritten auf hellem Grund */
.flow--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.flow--5 li { padding-right: 1.25rem; }
.flow--5 li + li { padding-left: 1.1rem; }
.flow--5 h3 { font-size: 1.3rem; }

/* Einzelne Ansichten ohne Register */
.views--static .view:first-child { margin-top: 0; }

/* Vergleichstabelle */
.spec--compare td { text-align: left; }
.spec--compare .yes { color: var(--ok); font-weight: 600; }
.spec--compare .no { color: var(--ink-mute); }


/* Impressum als Schriftfeld */
.imprint { padding-top: clamp(2rem, 4vw, 3rem); }
.imprint__frame {
  position: relative;
  border: var(--w-thick) solid var(--petrol);
  margin-top: 2.6rem;
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) 1.6fr;
}
.imprint__head {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-right: var(--w-thin) solid var(--ink);
  display: flex;
  flex-direction: column;
}
.imprint__sheet { margin-top: auto; padding-top: 2rem; }
.imprint__head h1 { font-size: clamp(2.4rem, 3.7vw, 3.5rem); font-weight: 700; margin-top: 0.75rem; }
.imprint__head p { color: var(--ink-soft); margin-top: 0.5rem; }
.imprint .spec { font-size: 1.0625rem; }
.imprint .spec th, .imprint .spec td { padding: 0.9rem 1.25rem; vertical-align: top; }
.imprint .spec tbody th { width: 34%; font-family: var(--font-label); font-weight: 400; font-size: 0.8125rem; color: var(--ink-mute); }
.imprint .spec td { color: var(--ink); }
.imprint .spec tr:last-child th, .imprint .spec tr:last-child td { border-bottom: none; }
.imprint .spec a { color: var(--ink); }

@media (max-width: 73.75em) {
  .flow--5 { grid-template-columns: 1fr; border-top: none; }
  .flow--5 li, .flow--5 li + li {
    padding: 1.1rem 0 1.25rem 1.5rem;
    border-left: var(--w-thick) solid var(--trade);
  }
  .flow--5 li:not(:last-child)::after {
    top: auto; bottom: -8px; right: auto; left: -8px;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
  }
}
@media (max-width: 60em) {
  .titleblock--sub { grid-template-columns: 1fr 1fr; }
  .titleblock--sub .tb-cell { border-bottom: var(--w-thin) solid var(--ink); }
  .titleblock--sub .tb-cell:nth-child(odd) { border-right: var(--w-thin) solid var(--ink); }
  .titleblock--sub .tb-cell:nth-child(even) { border-right: none; }
  .titleblock--sub .tb-cell--release { grid-column: 1 / -1; border-bottom: none; border-right: none; }
  .imprint__frame { grid-template-columns: 1fr; }
  .imprint__head { border-right: none; border-bottom: var(--w-mid) solid var(--ink); }
}
@media (max-width: 43.75em) {
  .drawing-scroll { overflow-x: auto; }
  .drawing-hint { display: block; margin-top: 0.5rem; }
  .titleblock--sub { grid-template-columns: 1fr; }
  .titleblock--sub .tb-cell, .titleblock--sub .tb-cell:nth-child(odd) { border-right: none; }
  .drawing-scroll .schema { width: 760px; max-width: none; }
  .imprint .spec, .imprint .spec tbody, .imprint .spec tr, .imprint .spec th, .imprint .spec td { display: block; width: auto; }
  .imprint .spec th, .imprint .spec tbody th { padding-bottom: 0; border-bottom: none; width: auto; }
  .imprint .spec td { padding-top: 0.25rem; }
}

/* ════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════ */
@media (max-width: 73.75em) {
  .hero__frame { grid-template-columns: 1fr; }
  .system { grid-template-columns: 1fr; }
  .teasers--3, .teasers--2 { grid-template-columns: 1fr; }
  .teaser, .teaser:first-child, .teaser:last-child { padding: 1.5rem 0 2rem; }
  .teaser + .teaser { border-left: none; }
  .teasers--2 .teaser + .teaser { border-top: var(--w-mid) solid var(--ink); padding-top: 1.5rem; }
  .unit, .unit + .unit { padding: 0 0 1.75rem; border-left: none; }
  .unit + .unit { padding-top: 1.75rem; }
  .unit + .unit { border-top: var(--w-mid) solid var(--ink); }
  .hero__drawing { flex-direction: column; align-items: stretch; }
  .hero__copy { border-right: none; border-bottom: var(--w-thin) solid var(--ink); }
  .hero__text { max-width: 52ch; }
  .hero__actions { margin-top: 0; }
  .nav-links a { padding: 0 0.6rem; }
}

@media (max-width: 60em) {
  .case { grid-template-columns: 1fr; }
  .view--split { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "fig" "parts"; }
  .view--split .parts { margin-top: 1.5rem; }
  .parts__list { grid-template-columns: 1fr; }
  .view--pair .view__shots { grid-template-columns: 1fr; }
  .titleblock { grid-template-columns: 1fr 1fr; }
  .tb-cell:nth-child(2) { border-right: none; }
  .tb-cell:nth-child(-n+2) { border-bottom: var(--w-thin) solid var(--ink); }
  .team { grid-template-columns: 1fr 1fr; }
  .team figure:nth-child(2) { border-right: none; }
  .team figure:nth-child(-n+2) { border-bottom: var(--w-thin) solid var(--ink); }
  .team figure:nth-child(3) { padding-left: 0; }
  .flow { grid-template-columns: 1fr; border-top: none; }
  .flow li, .flow li + li {
    padding: 1.1rem 0 1.25rem 1.5rem;
    border-left: var(--w-thick) solid var(--trade);
  }
  .flow li:not(:last-child)::after {
    top: auto; bottom: -8px; right: auto; left: -8px;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
  }
  .titleblock--release { grid-template-columns: 1fr 1fr; }
  .case .drawing { position: static; }
}

@media (max-width: 53.75em) {
  .nav-desk { display: none; }
  .nav-menu { display: block; order: 3; align-self: center; }
  .nav-menu > summary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    cursor: pointer;
    min-height: 44px;
    padding: 0 0.25rem 0 1rem;
    font-weight: 600;
  }
  .nav-menu > summary::-webkit-details-marker { display: none; }
  .nav-menu > summary svg { width: 22px; height: 22px; }
  .nav-menu[open] .nav-links {
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    flex-direction: column;
    background: var(--film);
    border-bottom: var(--w-mid) solid var(--ink);
    padding: 0.5rem var(--gutter) 1rem;
  }
  .nav-menu[open] .nav-links a {
    min-height: 48px;
    padding: 0;
    border-bottom: var(--w-thin) solid var(--rule);
    font-size: 1.05rem;
  }
  .sheet-head__inner { position: relative; }
  .nav-phone { border-left: none; padding-left: 0; margin-left: auto; }
  .nav-phone a span { display: none; }
  .brand { white-space: nowrap; padding-right: 0.9rem; margin-right: 0; border-right: none; font-size: 1.05rem; }
  .nav-phone a { font-size: 0.95rem; }
}

@media (max-width: 60em) {
  .ki-overview__head { grid-template-columns: 1fr; }
  .lp-features { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 23.75em) {
  .nav-phone { display: none; }
}

@media (max-width: 43.75em) {
  body { font-size: 1rem; }
  .schema--landscape { display: none; }
  .schema--portrait { display: block; }
  .hero { padding-top: 1.25rem; }
  .zones { display: none; }
  .hero__copy { padding: 1.4rem 1.1rem; gap: 1.1rem; }
  .hero h1 { font-size: clamp(2.2rem, 10.5vw, 2.9rem); }
  .hero__text { font-size: 1.05rem; }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__drawing { padding: 0.75rem 0.5rem 1rem; }
  .titleblock { grid-template-columns: 1fr; }
  .tb-cell { border-right: none; border-bottom: var(--w-thin) solid var(--ink); }
  .tb-cell:last-child { border-bottom: none; }
  .sheet-title { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
  .lp-features { grid-template-columns: 1fr; }
  .unit__facts > div { grid-template-columns: 1fr; }
  .legend, .legend tbody, .legend tr, .legend th, .legend td { display: block; width: auto; }
  .legend tr { border-bottom: var(--w-thin) solid var(--ink); padding: 1rem 0; }
  .legend th, .legend td, .legend tr:first-child th, .legend tr:first-child td { border: none; padding: 0.25rem 0; }
  .legend th:has(.legend__row) { width: auto; }
  .team { grid-template-columns: 1fr; }
  .team figure, .team figure + figure { padding: 1rem 0; border-right: none; border-bottom: var(--w-thin) solid var(--ink); }
  .team figure:last-child { border-bottom: none; }
  .titleblock--release { grid-template-columns: 1fr; }
  .release__frame { outline-offset: 4px; margin: 4px; }
  .shots-wide { overflow-x: auto; border: var(--w-mid) solid var(--ink); }
  .shots-wide .lp__shot { width: 900px; border: none; }
  .view--split .shots-wide .lp__shot,
  .view--pair .shots-wide .lp__shot { width: 680px; }
  .view--pair .shots-wide { display: block; }
  .view--pair .shots-wide .lp__shot + .lp__shot { border-top: var(--w-mid) solid var(--ink); }
  .lp__hint { display: inline; }
  .views__tabs { grid-template-columns: 1fr 1fr; }
  .views__tab:nth-child(2) { border-right: none; }
  .views__tab:nth-child(-n+2) { border-bottom: var(--w-thin) solid var(--ink); }
  .views__tab { font-size: 1.0625rem; }
  .balloon { width: 1.5rem; height: 1.5rem; font-size: 0.8rem; }
}

/* ── HOHER KONTRAST (Windows) ── */
@media (forced-colors: active) {
  .views__tab[aria-selected="true"] { outline: 3px solid CanvasText; outline-offset: -5px; }
  .tb-cell--call, .tb-cell--release { outline: 2px solid CanvasText; outline-offset: -4px; }
  .nav-links a[aria-current] { text-decoration: underline; }
  .balloon, .parts__pos { forced-color-adjust: none; }
}

/* ── DRUCK ── */
@media print {
  @page { margin: 14mm; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  body { background: #fff; font-size: 10.5pt; }
  .sheet-head, .skip, .drawing-hint, .lp__hint, .views__tabs, .more svg, .sheet-foot a { display: none !important; }
  .views--tabbed .view[hidden] { display: block !important; }
  .views--tabbed .view__head h3 { position: static; width: auto; height: auto; clip: auto; }
  .hero, .sheet { padding-left: 0; padding-right: 0; max-width: none; }
  section.part { padding-top: 10mm; }
  .hero__frame, .release__frame, .imprint__frame, .drawing, figure, .titleblock, tr, .checklist li, .flow li { break-inside: avoid; }
  .sheet-title { break-after: avoid; }
  .shots-wide, .drawing-scroll { overflow: visible !important; }
  .shots-wide .lp__shot, .drawing-scroll .schema { width: 100% !important; }
  .schema, .plan, .tb-cell--call, .tb-cell--release, .btn--ink, .views__tab { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; color: var(--ink-mute); }
}

.unit > .more { margin-top: 1.5rem; }
.nowrap { white-space: nowrap; }

/* Launchpad als Plattform über den Geräten */
.platform {
  border: var(--w-mid) solid var(--ink);
  background: var(--film);
}
.platform__bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  border-bottom: var(--w-thin) solid var(--ink);
}
.platform__bar i { width: 7px; height: 7px; border-radius: 50%; background: var(--ink); }
.platform__bar .label { margin-left: 0.6rem; }
.platform__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 1.5rem clamp(2rem, 5vw, 4.5rem);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}
.platform__intro { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }
.platform h3 { font-size: clamp(1.9rem, 3vw, 2.6rem); font-weight: 700; line-height: 1.05; }
.platform__intro p { color: var(--ink-soft); font-size: 1.1rem; max-width: 44ch; }
.platform__intro .more { margin-top: 0.5rem; }
.platform__facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2rem;
  align-content: start;
  border-top: var(--w-mid) solid var(--ink);
}
.platform__facts > div { padding: 0.8rem 0; border-bottom: var(--w-thin) solid var(--rule); }
.platform__facts dt { font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; line-height: 1.25; }
.platform__facts dd { margin: 0.15rem 0 0; color: var(--ink-soft); }

/* Strichpunkt-Leitungen von der Plattform zu jedem Gerät */
.drops > * { position: relative; }
.drops > *::before {
  content: "";
  position: absolute;
  top: 0;
  left: calc(var(--drop-x, 0px) + 35px);
  width: 2px;
  height: 2.5rem;
  background: repeating-linear-gradient(to bottom, var(--ink) 0 10px, transparent 10px 15px, var(--ink) 15px 17.5px, transparent 17.5px 22.5px);
}
.teasers--devices { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.teasers--devices .teaser { border-top: none; padding-top: 3.5rem; }
.teasers--devices .teaser + .teaser { --drop-x: clamp(1.25rem, 2.5vw, 2.25rem); }
.system.drops .unit { padding-top: 3.5rem; }
.system.drops .unit + .unit { --drop-x: clamp(1.25rem, 3vw, 2.5rem); }
.system > .unit + .unit:not(:last-child) { padding-right: clamp(1.25rem, 3vw, 2.5rem); }

/* KI-Assistent: Beispielgespräch */
.chat {
  margin: 0;
  border: var(--w-mid) solid var(--ink);
  background: var(--film);
}
.chat__bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1rem;
  border-bottom: var(--w-thin) solid var(--ink);
}
.chat__log { display: flex; flex-direction: column; gap: 1rem; padding: 1.25rem; }
.chat__q, .chat__a { max-width: 88%; padding: 0.75rem 1rem; }
.chat__q { align-self: flex-end; background: var(--film-deep); border: var(--w-thin) solid var(--rule); }
.chat__a { align-self: flex-start; border-left: var(--w-thin) solid var(--trade); background: var(--trade-tint); color: var(--ink-soft); }
.chat__a strong { color: var(--ink); }
.chat__who { display: block; margin-bottom: 0.25rem; }
.chat figcaption { padding: 0.6rem 1rem; border-top: var(--w-thin) solid var(--ink); }
.asks { list-style: none; margin: 0; padding: 0; border-top: var(--w-mid) solid var(--ink); }
.asks li { padding: 0.8rem 0; border-bottom: var(--w-thin) solid var(--rule); }
.asks .label { display: block; margin-bottom: 0.2rem; }
.asks q { font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; quotes: "„" "“"; }

/* Beispielsatz in Nutzen-Tabellen */
.eg { display: block; margin-top: 0.35rem; color: var(--ink); }
.eg::before { content: "Zum Beispiel: "; font-family: var(--font-label); font-size: 0.85rem; color: var(--ink-mute); }

@media (max-width: 73.75em) {
  .platform__body { grid-template-columns: 1fr; }
  .teasers--devices { grid-template-columns: 1fr; }
  .teasers--devices .teaser, .teasers--devices .teaser + .teaser { --drop-x: 0px; padding: 3.5rem 0 2rem; border-top: none; }
  .system.drops .unit, .system.drops .unit + .unit { --drop-x: 0px; padding: 3.5rem 0 1.75rem; border-top: none; border-left: none; }
  .drops > * + *::before { display: none; }
  .teasers--devices .teaser + .teaser, .system.drops .unit + .unit { padding-top: 1.75rem; border-top: var(--w-thin) solid var(--ink); }
}
@media (max-width: 37.5em) {
  .platform__facts { grid-template-columns: 1fr; }
  .chat__q, .chat__a { max-width: 100%; }
}

/* Quellenangabe unter einem Befund */
.checklist .source { display: block; margin-top: 0.35rem; color: var(--ink-mute); }