/* istruct.de – v9 – gemeinsames Stylesheet fuer alle Seiten.
   Keine externen Ressourcen. Schriften: /fonts/fonts.css (selbst gehostet). */

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;

  /* istruct-Blau (Logo). Kontraste auf --bg #f5f7fc: deep 13,4:1 · blue 5,4:1 · ink-2 7,5:1 · ink-3 5,5:1 */
  --blue-deep: #001884;
  --blue-deep-2: #0a2a9e;      /* Hover auf Primaerbutton */
  --blue: #0068b3;             /* Akzent fuer Text und Links (AA) */
  --blue-hi: #0078cc;          /* nur Deko / Linien, nicht fuer kleinen Text (4,3:1 auf --bg) */

  --ink: #0b1430;
  --ink-2: #46506a;
  --ink-3: #5a6480;
  --bg: #f5f7fc;
  --surface: #ffffff;
  --tint: #ebf0fa;
  --danger: #b42318;           /* Fehlertexte im Formular, 6,1:1 auf Weiss */

  /* Dunkle Buehne (KI-Labor) und Footer. Kontraste auf #040b2c: on-stage 16,6:1 · on-stage-2 8,9:1 · accent 10,3:1 */
  --stage: #040b2c;
  --on-stage: #e9eefc;
  --on-stage-2: #9fb0dc;
  --stage-accent: #7cc4ff;

  /* Tiefe: Schatten-Ring statt harter Border */
  --ring: 0 0 0 1px rgba(0, 24, 132, .09);
  --shadow-card: 0 0 0 1px rgba(0, 24, 132, .08), 0 1px 2px rgba(11, 20, 48, .04), 0 14px 32px -20px rgba(0, 24, 132, .30);
  --ring-stage: inset 0 0 0 1px rgba(159, 176, 220, .16);

  /* Bewegung */
  --ease-out: cubic-bezier(.23, 1, .32, 1);
  --ease-in-out: cubic-bezier(.77, 0, .175, 1);

  /* Typo-Skala: genau 7 Groessen */
  --fs-1: .8125rem;                                   /* 13 – Labels, Mono */
  --fs-2: .9375rem;                                   /* 15 – klein */
  --fs-3: 1.0625rem;                                  /* 17 – Fliesstext */
  --fs-4: 1.3125rem;                                  /* 21 – Lead, h3 */
  --fs-5: 1.75rem;                                    /* 28 – Kennzahlen mobil, grosse h3 */
  --fs-6: clamp(1.875rem, 1.25rem + 2.4vw, 3rem);     /* 30–48 – h2 */
  --fs-7: clamp(2.25rem, 1.35rem + 3.4vw, 4rem);      /* 36–64 – h1 */

  --font: "Manrope Variable", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono Variable", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 40px);
  --section: clamp(64px, 8vw, 120px);
  --header-h: 76px;
  --radius: 18px;
  --radius-sm: 12px;

  /* Sechseck aus dem Logo (Spitze oben) als durchgehendes Ordnungszeichen */
  --hex: polygon(50% 0, 93.3% 25%, 93.3% 75%, 50% 100%, 6.7% 75%, 6.7% 25%);
}

/* ---------- Basis ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-padding-top: calc(var(--header-h) + 16px);
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--fs-3);
  line-height: 1.6;
  font-weight: 450;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
p, li, dd, summary { overflow-wrap: break-word; }
@media (max-width: 639.98px) {
  p, li, dd, summary {
    hyphens: auto; -webkit-hyphens: auto;
    hyphenate-limit-chars: 10 4 4;
    -webkit-hyphenate-limit-before: 4; -webkit-hyphenate-limit-after: 4;
  }
}
.nowrap { white-space: nowrap; }
h1, h2, h3 {
  font-weight: 750;
  color: var(--ink);
  overflow-wrap: break-word;
  hyphens: manual;
  text-wrap: balance;
}
h1 { font-size: var(--fs-7); line-height: 1.04; letter-spacing: -.035em; font-weight: 800; }
h2 { font-size: var(--fs-6); line-height: 1.1; letter-spacing: -.028em; }
h3 { font-size: var(--fs-4); line-height: 1.3; letter-spacing: -.012em; font-weight: 700; }
p { text-wrap: pretty; }
strong { font-weight: 700; color: var(--ink); }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: .2em; }

::selection { background: rgba(0, 120, 204, .2); }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}
.stage :focus-visible, .site-footer :focus-visible { outline-color: var(--stage-accent); }

.skip {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  padding: 12px 18px; border-radius: 10px;
  background: var(--blue-deep); color: #fff; font-weight: 700; text-decoration: none;
}
.skip:focus { top: 12px; }

.wrap {
  width: 100%;
  max-width: calc(var(--maxw) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: max(var(--gutter), env(safe-area-inset-left, 0px)) max(var(--gutter), env(safe-area-inset-right, 0px));
}
.section { padding-block: var(--section); }

.mono { font-family: var(--mono); font-weight: 500; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px;
  border-radius: 999px; border: 0;
  font: inherit; font-size: var(--fs-2); font-weight: 700; line-height: 1.2;
  text-decoration: none; white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none; -webkit-user-select: none;
  transition: transform 160ms var(--ease-out), background-color 200ms ease, box-shadow 200ms ease, color 200ms ease;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--blue-deep); color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .14) inset, 0 8px 20px -10px rgba(0, 24, 132, .55);
}
.btn-ghost { background: var(--surface); color: var(--blue-deep); box-shadow: var(--ring), 0 1px 2px rgba(11, 20, 48, .05); }
.btn-sm { min-height: 44px; padding: 10px 18px; }
.btn .arrow { width: 16px; height: 16px; flex: none; transition: transform 200ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: var(--blue-deep-2); }
  .btn-ghost:hover { box-shadow: 0 0 0 1px rgba(0, 24, 132, .22), 0 6px 16px -10px rgba(0, 24, 132, .35); }
  .btn:hover .arrow { transform: translateX(3px); }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 247, 252, .82);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
}
.site-header::after {
  /* Kante nach dem Scrollen: nur opacity animiert */
  content: ""; position: absolute; inset: auto 0 0 0; height: 1px;
  background: rgba(0, 24, 132, .10);
  box-shadow: 0 8px 24px rgba(0, 24, 132, .08);
  opacity: 0;
  transition: opacity 200ms ease;
}
.site-header.is-scrolled::after { opacity: 1; }
@media (prefers-reduced-transparency: reduce) {
  .site-header { background: var(--bg); -webkit-backdrop-filter: none; backdrop-filter: none; }
}
.header-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "brand nav cta";
  align-items: center;
  gap: 24px;
  min-height: var(--header-h);
}
.brand {
  grid-area: brand;
  display: inline-flex; align-items: center; gap: 12px;
  min-height: 44px;
  color: var(--blue-deep); text-decoration: none;
  border-radius: 10px;
}
.brand img { width: 46px; height: 46px; }
.brand-word { font-size: 1.625rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.site-nav { grid-area: nav; justify-self: center; min-width: 0; }
.site-nav ul { display: flex; gap: 4px; }
.site-nav a {
  display: inline-flex; align-items: center;
  min-height: 44px; padding: 0 14px;
  border-radius: 999px;
  color: var(--ink-2); font-size: var(--fs-2); font-weight: 600; text-decoration: none;
  white-space: nowrap;
  touch-action: manipulation;
  transition: color 150ms ease, background-color 150ms ease;
}
.site-nav a[aria-current="location"] { color: var(--blue-deep); background: rgba(0, 24, 132, .06); }
@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover { color: var(--blue-deep); background: rgba(0, 24, 132, .05); }
}
.header-cta { grid-area: cta; }

@media (max-width: 879.98px) {
  :root { --header-h: 64px; }
  /* Markenzeile scrollt weg, die Navigationszeile (50 px) bleibt stehen */
  .site-header { top: calc(-1 * var(--header-h)); }
  html { scroll-padding-top: 66px; }
  .header-row {
    grid-template-columns: 1fr auto;
    grid-template-rows: var(--header-h) auto;      /* Markenzeile exakt so hoch, wie der Header nach oben wegscrollt */
    grid-template-areas: "brand cta" "nav nav";
    gap: 0 12px;
    min-height: 0;
  }
  .brand img { width: 40px; height: 40px; }
  .brand-word { font-size: 1.5rem; }
  .site-nav {
    justify-self: stretch;
    margin-inline: calc(-1 * var(--gutter));
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 var(--gutter), #000 calc(100% - var(--gutter)), transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 var(--gutter), #000 calc(100% - var(--gutter)), transparent 100%);
  }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav ul { padding: 0 calc(var(--gutter) - 14px) 6px; width: max-content; }
  .site-nav a { padding: 0 14px; }
}
@media (max-width: 479.98px) {
  .header-cta { padding: 8px 14px; font-size: .875rem; }
  .site-nav .nav-opt { display: none; }
  .site-nav a { padding: 0 11px; }
}
@media (max-width: 374.98px) {
  .header-cta { display: none; }
  .site-nav ul { gap: 0; }
  .site-nav a { padding: 0 9px; font-size: .875rem; }
}

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(40px, 6vw, 88px) 0; isolation: isolate; }
.hero::before {
  /* Raster nur im Hero */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(0, 24, 132, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 24, 132, .055) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: -1px -1px;
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 78% 40%, #000 20%, transparent 72%);
  mask-image: radial-gradient(ellipse 60% 70% at 78% 40%, #000 20%, transparent 72%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}
.kicker {
  font-family: var(--mono); font-size: var(--fs-1); font-weight: 500;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--blue);
  display: inline-flex; align-items: center; gap: 10px;
}
.kicker::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--blue-hi); flex: none; }
@media (max-width: 359.98px) { .kicker { letter-spacing: .03em; } }
.hero h1 { margin-top: 22px; max-width: 15ch; }
.hero h1 span { display: block; color: var(--blue-deep); }
.lead { margin-top: 26px; max-width: 58ch; font-size: var(--fs-4); line-height: 1.5; color: var(--ink-2); font-weight: 450; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.chips li {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 13px 7px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  box-shadow: var(--ring);
  font-size: var(--fs-1); font-weight: 600; color: var(--ink-2);
  line-height: 1.35;
}
.chips li::before { content: ""; width: 7px; height: 8px; clip-path: var(--hex); background: var(--blue-hi); flex: none; }

.hero-visual {
  position: relative;
  width: 100%; max-width: 560px; aspect-ratio: 1;
  justify-self: end;
  contain: layout paint;
}
.hero-visual > * { position: absolute; inset: 0; width: 100%; height: 100%; }
.hv-logo, .hv-canvas, .hv-orbit { display: none; }
.hv-logo {
  z-index: 1;
  /* Logo-Ring (viewBox 200 von 330 Einheiten) zentriert */
  inset: 19.7%; width: 60.6%; height: 60.6%;
  filter: drop-shadow(0 24px 40px rgba(0, 24, 132, .20));
}
.hero-visual.is-live .hv-static { visibility: hidden; }
.hero-visual.is-live .hv-logo {
  display: block;
  opacity: 0;
  transform: scale(.94);
  transition: opacity 700ms var(--ease-out), transform 900ms var(--ease-out);
}
.hero-visual.is-live.is-formed .hv-logo { opacity: 1; transform: none; }
.hero-visual.is-live .hv-canvas { display: block; }
/* Datenpaket auf der Umlaufbahn: nur transform, laeuft im Compositor */
.hero-visual.is-live .hv-orbit { display: block; z-index: 2; pointer-events: none; }
.hv-orbit i {
  position: absolute; left: 50%; top: 12.42%;        /* (128 - 124 + 37) / 330 */
  width: 6px; height: 6px; margin: -3px 0 0 -3px; border-radius: 50%;
  background: var(--blue); box-shadow: 0 0 0 4px rgba(0, 120, 204, .16);
  opacity: 0; transition: opacity 600ms var(--ease-out);
}
.hero-visual.is-idle .hv-orbit { animation: hv-orbit 18s linear infinite; }
.hero-visual.is-idle .hv-orbit i { opacity: 1; }
.hero-visual.is-paused .hv-orbit { animation-play-state: paused; }
@keyframes hv-orbit { to { transform: rotate(1turn); } }

.steckbrief-wrap { padding-block: clamp(40px, 5vw, 72px) 0; }
.steckbrief {
  position: relative;
  max-width: 52rem;
  padding: 4px 0 4px 20px;
  font-size: var(--fs-3); line-height: 1.6; color: var(--ink-2);
  font-weight: 450;
}
.steckbrief::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; border-radius: 2px;
  background: var(--blue-hi);
}

/* Hero-Einstieg beim Laden (nur mit JS, ohne Bewegung bei reduced motion) */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: no-preference) {
  .js .hero-copy > * { animation: rise 520ms var(--ease-out) both; }
  .js .hero-copy > :nth-child(2) { animation-delay: 60ms; }
  .js .hero-copy > :nth-child(3) { animation-delay: 120ms; }
  .js .hero-copy > :nth-child(4) { animation-delay: 180ms; }
  .js .hero-copy > :nth-child(5) { animation-delay: 240ms; }
}

@media (min-width: 960px) and (max-width: 1099.98px) {
  .hero h1 { max-width: 17.5ch; }
}
@media (max-width: 959.98px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .hero-visual { order: -1; justify-self: center; width: min(280px, 70vw); max-width: none; }
  .hero h1 { max-width: 18ch; }
  .hero::before {
    -webkit-mask-image: radial-gradient(ellipse 70% 32% at 50% 18%, #000 20%, transparent 72%);
    mask-image: radial-gradient(ellipse 70% 32% at 50% 18%, #000 20%, transparent 72%);
  }
}
@media (max-width: 559.98px) {
  .lead { font-size: var(--fs-3); }
  .steckbrief { padding-left: 16px; }
  .hero-cta .btn { flex: 1 1 100%; }
}

/* ---------- Abschnittskoepfe (variieren je Sektion) ---------- */
.head-split {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 24px 56px;
  align-items: end;
  margin-bottom: clamp(36px, 5vw, 60px);
}
.head-split p, .head-stack p { font-size: var(--fs-4); line-height: 1.5; color: var(--ink-2); }
.head-stack { max-width: 46rem; margin-bottom: clamp(36px, 5vw, 56px); }
.head-stack p { margin-top: 18px; }
@media (max-width: 799.98px) {
  .head-split { grid-template-columns: minmax(0, 1fr); }
  .head-split p, .head-stack p { font-size: var(--fs-3); }
}

/* ---------- Leistungen ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}
.service {
  grid-column: span 2;
  display: flex; flex-direction: column;
  padding: clamp(24px, 2.6vw, 32px);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-card);
}
.service:nth-child(-n+2) { grid-column: span 3; }
.service-top { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.service-no {
  display: inline-grid; place-items: center;
  width: 38px; height: 44px; flex: none;
  clip-path: var(--hex);
  background: var(--blue-deep);
  font-family: var(--mono); font-size: var(--fs-1); font-weight: 600; color: #fff;
}
.service-tag { font-family: var(--mono); font-size: var(--fs-1); font-weight: 500; color: var(--blue); line-height: 1.35; }
.service h3 { margin-bottom: 12px; }
.service p { color: var(--ink-2); font-size: var(--fs-2); line-height: 1.65; }
.service:nth-child(-n+2) p { font-size: var(--fs-3); max-width: 52ch; }

.not-doing {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: 12px 40px;
  margin-top: 16px;
  padding: clamp(22px, 2.4vw, 30px) clamp(24px, 2.6vw, 32px);
  border-radius: var(--radius);
  background: var(--tint);
  box-shadow: inset 0 0 0 1px rgba(0, 24, 132, .06);
}
.not-doing h3 { font-size: var(--fs-3); color: var(--blue-deep); }
.not-doing p { color: var(--ink-2); font-size: var(--fs-2); line-height: 1.65; max-width: 72ch; }

@media (max-width: 1023.98px) {
  .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service, .service:nth-child(-n+2) { grid-column: span 1; }
  .service:last-child { grid-column: 1 / -1; }
}
@media (max-width: 639.98px) {
  .services { grid-template-columns: minmax(0, 1fr); }
  .service:last-child { grid-column: auto; }
  .not-doing { grid-template-columns: minmax(0, 1fr); }
  .service:nth-child(-n+2) p { font-size: var(--fs-2); }
}

/* ---------- Frame ---------- */
.frame-band {
  background: var(--surface) url("/img/hex-frame.svg") no-repeat right -180px top -180px / 520px auto;
  box-shadow: 0 -1px 0 rgba(0, 24, 132, .06), 0 1px 0 rgba(0, 24, 132, .06);
}
.frame-head h2 { max-width: 16ch; }
.frame-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.frame-col { padding: 8px clamp(20px, 3vw, 40px) 8px; position: relative; }
.frame-col:first-child { padding-left: 0; }
.frame-col + .frame-col::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(180deg, rgba(0, 24, 132, .14), rgba(0, 24, 132, 0));
}
.frame-icon { width: 72px; height: 72px; margin-bottom: 22px; color: var(--blue-deep); }
.frame-word { font-family: var(--mono); font-size: var(--fs-1); color: var(--blue); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 10px; }
.frame-col h3 { margin-bottom: 10px; }
.frame-col p { color: var(--ink-2); font-size: var(--fs-2); line-height: 1.65; }
@media (max-width: 799.98px) {
  .frame-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .frame-col, .frame-col:first-child { padding: 0; }
  .frame-col + .frame-col::before { display: none; }
  .frame-col { display: grid; grid-template-columns: 56px minmax(0, 1fr); column-gap: 20px; }
  .frame-icon { width: 56px; height: 56px; }
  .frame-band { background-position: right -230px top -200px; background-size: 420px auto; }
  .frame-icon { grid-row: span 3; margin: 0; }
}

/* ---------- Arbeitsweise ---------- */
.process { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px clamp(40px, 6vw, 96px); align-items: start; }
.process-head { position: sticky; top: calc(var(--header-h) + 32px); }
.process-head p { margin-top: 18px; font-size: var(--fs-4); line-height: 1.5; color: var(--ink-2); }
.steps { position: relative; counter-reset: step; }
.step:not(:last-child)::before {
  content: ""; position: absolute; left: 21px; top: 50px; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--blue-deep), rgba(0, 120, 204, .3));
}
.step { position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 0 24px; padding-bottom: 40px; }
.step:last-child { padding-bottom: 0; }
.step-no {
  position: relative; z-index: 1;
  display: grid; place-items: center;
  width: 44px; height: 50px;
  clip-path: var(--hex);
  background: var(--blue-deep);
  font-family: var(--mono); font-size: var(--fs-1); font-weight: 600; color: #fff;
}
.step h3 { padding-top: 11px; margin-bottom: 8px; }
.step p { color: var(--ink-2); }
@media (max-width: 879.98px) {
  .process { grid-template-columns: minmax(0, 1fr); }
  .process-head { position: static; }
  .process-head p { font-size: var(--fs-3); }
}

/* ---------- KI-Labor (dunkle Buehne) ---------- */
.stage {
  position: relative;
  background:
    radial-gradient(80% 60% at 85% 0%, rgba(0, 24, 132, .75), rgba(0, 24, 132, 0) 70%),
    radial-gradient(60% 50% at 0% 100%, rgba(0, 104, 179, .22), rgba(0, 104, 179, 0) 70%),
    var(--stage);
  color: var(--on-stage-2);
  isolation: isolate;
  overflow: hidden;
}
.stage::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(rgba(159, 176, 220, .22) 1px, transparent 1.2px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .15) 60%, transparent);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .15) 60%, transparent);
  pointer-events: none;
}
.stage h2, .stage h3, .stage strong { color: var(--on-stage); }
.stage .head-split p { color: var(--on-stage-2); }
.stage a { color: var(--stage-accent); }

/* Ablauf: Aufgabe → Modell → Pruefrunde → Freigabe */
.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0 clamp(20px, 2.6vw, 40px);
  margin-bottom: clamp(40px, 5vw, 64px);
}
.flow-step {
  position: relative;
  padding: 18px 20px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .04);
  box-shadow: var(--ring-stage);
}
.flow-step::before {
  /* Aktiv-Zustand als eigene Ebene: nur opacity */
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(124, 196, 255, .7), 0 0 0 4px rgba(124, 196, 255, .10);
  background: linear-gradient(180deg, rgba(124, 196, 255, .10), rgba(124, 196, 255, 0));
  opacity: 0;
  transition: opacity 250ms var(--ease-out);
}
.flow-idx { display: flex; align-items: center; justify-content: space-between; font-family: var(--mono); font-size: var(--fs-1); color: var(--on-stage-2); }
.flow-check {
  width: 18px; height: 18px; color: var(--stage-accent);
  transition: opacity 200ms var(--ease-out), transform 250ms var(--ease-out);
}
.flow-name { display: block; margin-top: 14px; font-size: var(--fs-4); font-weight: 700; letter-spacing: -.012em; color: var(--on-stage); line-height: 1.25; }
.flow-route { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 10px; font-family: var(--mono); font-size: var(--fs-1); }
.flow-chip {
  padding: 3px 9px; border-radius: 999px;
  box-shadow: inset 0 0 0 1px rgba(159, 176, 220, .28);
  color: var(--on-stage);
  transition: background-color 250ms ease, color 250ms ease, box-shadow 250ms ease;
}
.flow-or { color: var(--on-stage-2); }
.flow-link {
  position: absolute; top: 50%; left: 100%;
  width: clamp(20px, 2.6vw, 40px); height: 2px; margin-top: -1px;
  background: rgba(159, 176, 220, .22);
  overflow: hidden;
}
.flow-link i {
  position: absolute; inset: 0; background: var(--stage-accent);
  transform-origin: left center;
  transform: scaleX(1);
}
/* Live-Zustand (nur mit JS und ohne reduced motion) */
/* Haekchen nur fuer erledigte Schritte; das Ziel leuchtet erst, wenn die Linie angekommen ist */
.flow.is-live .flow-step:not(.is-done) .flow-check { opacity: 0; transform: scale(.8); }
.flow.is-live .flow-step.is-active::before { opacity: 1; }
.flow.is-live .flow-step.is-active::before,
.flow.is-live .flow-step.is-active .flow-chip { transition-delay: 340ms; }
.flow.is-live .flow-step:first-child.is-active::before { transition-delay: 0ms; }
.flow.is-live .flow-step:last-child.is-active .flow-check { opacity: 1; transform: none; transition-delay: 340ms; }
.flow.is-live .flow-link i { transform: scaleX(0); transition: transform 450ms var(--ease-in-out); }
.flow.is-live .flow-step.is-done .flow-link i { transform: scaleX(1); }
.flow.is-live.is-resetting .flow-link i { transition-duration: 200ms; }
.flow.is-live .flow-chip { color: var(--on-stage-2); }
.flow.is-live[data-route="cloud"] .flow-step.is-active .flow-chip[data-route="cloud"],
.flow.is-live[data-route="cloud"] .flow-step.is-done .flow-chip[data-route="cloud"],
.flow.is-live[data-route="lokal"] .flow-step.is-active .flow-chip[data-route="lokal"],
.flow.is-live[data-route="lokal"] .flow-step.is-done .flow-chip[data-route="lokal"] {
  background: var(--stage-accent); color: var(--stage); box-shadow: none;
}
@media (min-width: 880px) and (max-width: 1099.98px) {
  .flow-step { padding: 16px 14px 18px; }
  .flow-name { font-size: var(--fs-3); }
}
@media (max-width: 879.98px) {
  .flow { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .flow-step { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; column-gap: 12px; }
  .flow-idx { grid-column: 2; grid-row: 1; gap: 10px; }
  .flow-name { grid-column: 1; grid-row: 1; margin-top: 0; }
  .flow-route { grid-column: 1 / -1; }
  .flow-link { top: 100%; left: 20px; width: 2px; height: 20px; margin-top: 0; }
  .flow-link i { transform-origin: center top; }
  .flow.is-live .flow-link i { transform: scaleY(0); }
  .flow.is-live .flow-step.is-done .flow-link i { transform: scaleY(1); }
}

.lab-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.lab-card {
  padding: clamp(24px, 2.6vw, 32px);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02));
  box-shadow: var(--ring-stage);
}
.lab-card h3 { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.lab-card h3::before {
  content: ""; width: 8px; height: 8px; flex: none; border-radius: 2px; transform: rotate(45deg);
  background: var(--stage-accent);
}
.lab-card p { font-size: var(--fs-2); line-height: 1.7; }
.lab-card .hl { color: var(--stage-accent); font-family: var(--mono); font-weight: 600; font-size: .95em; }
@media (max-width: 719.98px) {
  .lab-grid { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Substanz ---------- */
.substance { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 40px clamp(40px, 6vw, 96px); align-items: center; }
.substance h2 { max-width: 18ch; }
.substance-text { margin-top: 22px; font-size: var(--fs-4); line-height: 1.55; color: var(--ink-2); max-width: 40rem; }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.stat {
  padding: clamp(22px, 2.4vw, 30px);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; gap: 10px;
}
.stat dt { font-size: var(--fs-6); font-weight: 800; letter-spacing: -.035em; line-height: 1; color: var(--blue-deep); }
.stat dd { font-size: var(--fs-2); line-height: 1.5; color: var(--ink-2); }
@media (max-width: 879.98px) {
  .substance { grid-template-columns: minmax(0, 1fr); }
  .substance-text { font-size: var(--fs-3); }
}
@media (max-width: 379.98px) {
  .stats { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Technologien ---------- */
.tech {
  padding: clamp(24px, 3vw, 40px);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--ring);
}
.tech h2 { font-family: var(--mono); font-size: var(--fs-1); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); line-height: 1.4; margin-bottom: 24px; }
.tech-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.1fr 1fr; gap: 28px 32px; }
.tech-grid h3 { font-size: var(--fs-3); margin-bottom: 12px; }
.tech-grid ul { display: flex; flex-wrap: wrap; gap: 6px; }
.tech-grid li {
  padding: 5px 11px; border-radius: 8px;
  background: var(--bg);
  box-shadow: inset 0 0 0 1px rgba(0, 24, 132, .07);
  font-size: var(--fs-1); font-weight: 600; color: var(--ink-2); line-height: 1.4;
  hyphens: manual;
}
@media (max-width: 959.98px) { .tech-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 519.98px) { .tech-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- FAQ ---------- */
.faq { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 32px clamp(40px, 6vw, 96px); align-items: start; }
.faq-head { position: sticky; top: calc(var(--header-h) + 32px); }
.faq-list { display: grid; gap: 10px; }
.faq-item {
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--ring);
}
.faq-item summary {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  min-height: 56px;
  padding: 17px 22px;
  font-size: var(--fs-3); font-weight: 700; line-height: 1.45; color: var(--ink);
  cursor: pointer; list-style: none;
  border-radius: var(--radius-sm);
  touch-action: manipulation;
  user-select: none; -webkit-user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  position: relative; flex: none; width: 24px; height: 24px; margin-top: 1px;
  border-radius: 50%; background: var(--tint);
}
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; left: 7px; top: 11px; width: 10px; height: 2px; border-radius: 2px;
  background: var(--blue-deep);
  transition: transform 220ms var(--ease-out);
}
.faq-icon::after { transform: rotate(90deg); }
.faq-item[open] .faq-icon::after { transform: rotate(0deg); }
.faq-item p { padding: 0 22px 20px; color: var(--ink-2); max-width: 68ch; }
@media (hover: hover) and (pointer: fine) {
  .faq-item summary:hover { color: var(--blue-deep); }
}
@supports (interpolate-size: allow-keywords) {
  @media (prefers-reduced-motion: no-preference) {
    .faq-item { interpolate-size: allow-keywords; }
    .faq-item::details-content {
      block-size: 0; overflow: clip;
      transition: block-size 160ms var(--ease-out), content-visibility 160ms allow-discrete;
    }
    .faq-item[open]::details-content { block-size: auto; transition-duration: 250ms; }
  }
}
@media (max-width: 879.98px) {
  .faq { grid-template-columns: minmax(0, 1fr); }
  .faq-head { position: static; }
  .faq-item summary { padding: 15px 18px; }
  .faq-item p { padding: 0 18px 18px; }
}

/* ---------- Kontakt ---------- */
.contact {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px clamp(32px, 5vw, 80px);
  padding: clamp(28px, 5vw, 64px);
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(135deg, #ffffff 0%, var(--tint) 100%);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  isolation: isolate;
}
.contact h2 { max-width: 14ch; }
.contact-text { margin-top: 18px; font-size: var(--fs-4); line-height: 1.5; color: var(--ink-2); max-width: 36rem; }
.contact .btn { margin-top: 30px; }
.contact-list { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 12px; align-content: center; }
.contact-list div {
  display: grid; grid-column: 1 / -1; grid-template-columns: 7.5rem minmax(0, 1fr); grid-template-columns: subgrid; gap: 12px; align-items: baseline;
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(0, 24, 132, .08);
}
.contact-list div:last-child { box-shadow: none; }
.contact-list dt { font-family: var(--mono); font-size: var(--fs-1); color: var(--ink-3); }
.contact-list dd { font-weight: 600; color: var(--ink); }
.contact-list a { color: var(--blue-deep); text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; margin-block: -10px; }
@media (hover: hover) and (pointer: fine) {
  .contact-list a:hover { text-decoration: underline; }
}
@media (max-width: 879.98px) {
  .contact { grid-template-columns: minmax(0, 1fr); }
  .contact-text { font-size: var(--fs-3); }
}
@media (max-width: 399.98px) {
  .contact-list { grid-template-columns: minmax(0, 1fr); }
  .contact-list div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .contact .btn { width: 100%; }
}

/* ---------- Kontakt-Fragenkatalog (nur mit JS, js/kontakt.js setzt .has-form) ---------- */
.kf { display: none; }
.kf [hidden] { display: none !important; }
.contact.has-form .kf { display: block; }
.contact.has-form .contact-mail { display: none; }
.contact.has-form {
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  grid-template-areas: "intro form" "list form";
  grid-template-rows: auto 1fr;
  align-items: start;
}
.contact.has-form .contact-intro { grid-area: intro; }
.contact.has-form .contact-list { grid-area: list; align-content: start; }
.contact.has-form .contact-text { font-size: var(--fs-3); }

.kf {
  grid-area: form;
  position: relative;
  min-width: 0;
  padding: clamp(20px, 2.8vw, 32px);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-card);
}
.kf-head {
  display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 6px 12px;
  margin: -8px 0 22px;
}
.kf-back {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 44px; padding: 0 12px 0 8px; margin-left: -8px;
  border: 0; border-radius: 999px; background: transparent;
  font: inherit; font-size: var(--fs-2); font-weight: 700; color: var(--blue-deep);
  cursor: pointer; touch-action: manipulation; user-select: none; -webkit-user-select: none;
  transition: transform 160ms var(--ease-out), background-color 150ms ease;
}
.kf-back svg { width: 16px; height: 16px; }
.kf-back:active { transform: scale(.97); }
.kf-back.is-off { visibility: hidden; }
.kf-count { justify-self: end; font-family: var(--mono); font-size: var(--fs-1); color: var(--ink-3); }
.kf-bar { grid-column: 1 / -1; height: 4px; border-radius: 4px; background: var(--tint); overflow: hidden; }
.kf-bar i {
  display: block; height: 100%; border-radius: inherit;
  background: linear-gradient(90deg, var(--blue-deep), var(--blue-hi));
  transform-origin: left center; transform: scaleX(.25);
  transition: transform 240ms var(--ease-out);
}

.kf-viewport { position: relative; }
.kf-viewport.is-animating { overflow: clip; overflow-clip-margin: 8px; }
.kf-step.is-leaving { position: absolute; top: 0; left: 0; right: 0; pointer-events: none; }
.kf-q { font-size: var(--fs-5); line-height: 1.2; letter-spacing: -.022em; margin-bottom: 18px; }
.kf-q:focus { outline: none; }
.kf-hint { margin: -8px 0 14px; color: var(--ink-2); font-size: var(--fs-2); }

/* Auswahlkarten */
.kf-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.kf-cards-5 .kf-card:last-child { grid-column: 1 / -1; }
.kf-card {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-content: start; align-items: center; gap: 2px 14px;
  min-height: 72px; padding: 14px 18px;
  border: 0; border-radius: var(--radius-sm);
  background: var(--bg); box-shadow: inset 0 0 0 1px rgba(0, 24, 132, .10);
  font: inherit; color: var(--ink); text-align: left;
  cursor: pointer; touch-action: manipulation; user-select: none; -webkit-user-select: none;
  transition: transform 160ms var(--ease-out), box-shadow 200ms ease, background-color 200ms ease;
}
.kf-card:active { transform: scale(.97); }
.kf-card-t { font-size: var(--fs-3); font-weight: 700; line-height: 1.35; hyphens: auto; -webkit-hyphens: auto; overflow-wrap: anywhere; }
.kf-card-d { grid-column: 1; font-size: var(--fs-2); line-height: 1.45; color: var(--ink-2); }
.kf-arrow { grid-column: 2; grid-row: 1; width: 18px; height: 18px; color: var(--blue); transition: transform 200ms var(--ease-out); }
.kf-card[aria-pressed="true"] { background: var(--surface); box-shadow: inset 0 0 0 2px var(--blue-deep); }
@media (hover: hover) and (pointer: fine) {
  .kf-back:hover { background: rgba(0, 24, 132, .05); }
  .kf-card:hover { background: var(--surface); box-shadow: inset 0 0 0 1px rgba(0, 24, 132, .26), 0 8px 18px -12px rgba(0, 24, 132, .40); }
  .kf-card[aria-pressed="true"]:hover { box-shadow: inset 0 0 0 2px var(--blue-deep), 0 8px 18px -12px rgba(0, 24, 132, .40); }
  .kf-card:hover .kf-arrow { transform: translateX(3px); }
  .kf-more:hover { text-decoration: underline; }
}

/* Felder */
.kf-fields { display: grid; gap: 16px; }
.kf-field label { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; font-size: var(--fs-2); font-weight: 700; color: var(--ink); }
.kf-opt { font-family: var(--mono); font-size: var(--fs-1); font-weight: 500; color: var(--ink-3); }
.kf-input {
  display: block; width: 100%; min-height: 52px; margin: 0;
  padding: 13px 16px;
  border: 0; border-radius: var(--radius-sm);
  background: var(--bg); box-shadow: inset 0 0 0 1px rgba(0, 24, 132, .18);
  font: inherit; font-size: max(16px, var(--fs-3)); line-height: 1.4; color: var(--ink);
  -webkit-appearance: none; appearance: none;
  transition: box-shadow 150ms ease, background-color 150ms ease;
}
.kf-input::placeholder { color: var(--ink-3); opacity: 1; }
.kf-input:focus { outline: none; background: var(--surface); box-shadow: inset 0 0 0 2px var(--blue), 0 0 0 4px rgba(0, 120, 204, .14); }
.kf-input[aria-invalid="true"] { background: var(--surface); box-shadow: inset 0 0 0 2px var(--danger); }
.kf-input[aria-invalid="true"]:focus { box-shadow: inset 0 0 0 2px var(--danger), 0 0 0 4px rgba(180, 35, 24, .12); }
.kf-text { min-height: 148px; resize: vertical; line-height: 1.55; }
.kf-counter { min-height: 1.5em; margin-top: 6px; font-family: var(--mono); font-size: var(--fs-1); color: var(--ink-3); text-align: right; }
.kf-counter.is-full { color: var(--danger); }
.kf-err { margin-top: 6px; font-size: var(--fs-2); line-height: 1.45; color: var(--danger); font-weight: 600; }
.kf-err:empty { display: none; }
.kf-more {
  justify-self: start;
  display: inline-flex; align-items: center; min-height: 44px; padding: 0; margin: -6px 0;
  border: 0; background: none;
  font: inherit; font-size: var(--fs-2); font-weight: 700; color: var(--blue);
  text-underline-offset: .2em; cursor: pointer; touch-action: manipulation;
}
.kf-more[hidden] { display: none; }
.kf-more::before { content: "+"; margin-right: 6px; font-weight: 700; }
.kf-retry::before { content: none; }

.contact .kf .btn { margin-top: 0; }
.kf-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.kf-step .kf-actions { margin-top: 14px; }
.kf-submit { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 24px; }
.kf-legal { flex: 1 1 220px; font-size: var(--fs-1); line-height: 1.5; color: var(--ink-3); }
.kf-send { position: relative; min-width: 190px; }
.kf-spin {
  display: none; width: 16px; height: 16px; flex: none;
  border: 2px solid rgba(255, 255, 255, .35); border-top-color: #fff; border-radius: 50%;
}
.kf-send.is-busy { cursor: progress; background: var(--blue-deep-2); }
.kf-send.is-busy .kf-spin { display: block; animation: kf-spin 700ms linear infinite; }
@keyframes kf-spin { to { transform: rotate(1turn); } }

/* Ergebnis */
.kf-result p { color: var(--ink-2); max-width: 52ch; }
.kf-result p + p { margin-top: 10px; }
.kf-result strong { overflow-wrap: anywhere; }
.kf-result .kf-actions { margin-top: 20px; }
.kf-result .kf-retry { margin-top: 14px; }
.kf-badge {
  display: grid; place-items: center; width: 44px; height: 50px; margin-bottom: 18px;
  clip-path: var(--hex); background: var(--blue-deep); color: #fff;
}
.kf-badge svg { width: 20px; height: 20px; }
.kf-badge.is-fail { background: var(--danger); }

.kf-hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.kf-sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

@media (max-width: 879.98px) {
  .contact.has-form { grid-template-columns: minmax(0, 1fr); grid-template-areas: "intro" "form" "list"; grid-template-rows: auto; gap: 28px; }
}
@media (max-width: 639.98px) {
  .kf-cards { grid-template-columns: minmax(0, 1fr); }
  .kf-q { font-size: var(--fs-4); margin-bottom: 14px; }
  .kf-card { min-height: 64px; padding: 12px 16px; }
}
@media (max-width: 559.98px) {
  .contact.has-form { padding-inline: 14px; }
  .contact.has-form .contact-intro, .contact.has-form .contact-list { padding-inline: 8px; }
  .kf { padding: 18px 16px 20px; }
  .kf-submit .btn { flex: 1 1 100%; }
  .kf-step .kf-actions .btn { flex: 1 1 auto; }
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: var(--section);
  background: var(--stage);
  color: var(--on-stage-2);
  padding-block: clamp(48px, 6vw, 72px) calc(32px + env(safe-area-inset-bottom, 0px));
  font-size: var(--fs-2);
}
.footer-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { display: inline-flex; align-items: center; gap: 14px; color: #fff; text-decoration: none; min-height: 44px; border-radius: 10px; }
.footer-brand img { width: 52px; height: 52px; }
.footer-brand span { font-size: 1.75rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.footer-claim { font-size: var(--fs-4); font-weight: 600; color: var(--on-stage); letter-spacing: -.01em; }
.footer-bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px;
  margin-top: 40px; padding-top: 20px;
  box-shadow: 0 -1px 0 rgba(159, 176, 220, .16);
}
.footer-links { display: flex; gap: 4px; }
.footer-links a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px;
  color: var(--on-stage); text-decoration: none; border-radius: 8px;
  transition: color 150ms ease;
}
.footer-links li:first-child a { padding-left: 0; }
.footer-note { margin-top: 14px; font-size: var(--fs-1); line-height: 1.5; color: var(--on-stage-2); }
.footer-links li:last-child a { padding-right: 0; }
@media (hover: hover) and (pointer: fine) {
  .footer-links a:hover { color: var(--stage-accent); }
}

/* ---------- Rechtsseiten und 404 ---------- */
.page-head { padding-block: clamp(40px, 6vw, 80px) clamp(28px, 4vw, 48px); }
.page-head h1 { font-size: var(--fs-6); letter-spacing: -.03em; line-height: 1.1; margin-top: 18px; }
.page-head p:not(.kicker) { margin-top: 16px; font-size: var(--fs-4); color: var(--ink-2); max-width: 46rem; line-height: 1.5; }
.legal { display: grid; gap: 12px; max-width: 920px; }
.legal-sec {
  display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 0 20px;
  padding: clamp(22px, 2.6vw, 32px);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--ring);
}
.legal-no { font-family: var(--mono); font-size: var(--fs-1); font-weight: 600; color: var(--blue); padding-top: 4px; }
.legal-sec h2 { font-size: var(--fs-4); letter-spacing: -.012em; line-height: 1.3; margin-bottom: 10px; }
.legal-sec p, .legal-sec li, .legal-sec address { color: var(--ink-2); font-style: normal; }
.legal-sec p + p, .legal-sec p + ul, .legal-sec ul + p, .legal-sec address + p, .legal-sec p + address { margin-top: 10px; }
.legal-sec ul { display: grid; gap: 6px; }
.legal-sec ul li { position: relative; padding-left: 18px; }
.legal-sec ul li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 7px; height: 8px; clip-path: var(--hex); background: var(--blue-hi); }
.legal-sec.is-emphasis { background: var(--tint); box-shadow: inset 0 0 0 1.5px rgba(0, 24, 132, .35); }
.legal-sec.is-emphasis h2 { color: var(--blue-deep); }
.legal-meta { margin-top: 28px; font-family: var(--mono); font-size: var(--fs-1); color: var(--ink-3); }
.legal dl { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 18px; }
.legal dt { color: var(--ink-3); }
.legal dd { color: var(--ink); font-weight: 600; }
.legal a { overflow-wrap: anywhere; }
.legal dd a { display: inline-flex; align-items: center; min-height: 44px; margin-block: -10px; }
@media (max-width: 559.98px) {
  .legal-sec { grid-template-columns: minmax(0, 1fr); }
  .legal-no { padding: 0 0 6px; }
  .legal dl { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .legal dd { margin-bottom: 8px; }
}
.notfound { min-height: 50svh; display: grid; align-content: center; }
.notfound .btn { margin-top: 28px; justify-self: start; }

/* ---------- Reveal (nur mit JS versteckt) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms var(--ease-out), transform 400ms var(--ease-out);
}
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { transform: none; transition: opacity 200ms ease; }
  .btn:active, .kf-card:active, .kf-back:active { transform: none; }
  .kf-arrow, .kf-bar i { transition: none; }
  .kf-send.is-busy .kf-spin { animation: none; }
  .faq-icon::before, .faq-icon::after, .btn .arrow { transition: none; }
}

/* ---------- Druck ---------- */
@media print {
  .site-header, .hero-visual, .flow, .skip { display: none !important; }
  .stage, .site-footer { background: #fff; color: #000; }
  .js .reveal { opacity: 1; transform: none; }
}