@font-face {
  font-family: "Montserrat";
  src: url("/fonts/montserrat-latin.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 100 900;
}

body.bu-wissen-page {
  --bu-yellow: #ffd200;
  --bu-ink: #1f2228;
  --bu-charcoal: #2c3038;
  --bu-cloud: #f8fafc;
  --bu-cream: #fffdf3;
  --bu-line: rgba(31, 34, 40, 0.11);
  --bu-muted: #666b74;
  --bu-radius-sm: 18px;
  --bu-radius-md: 28px;
  --bu-radius-lg: 42px;
  --bu-shadow: 0 26px 70px rgba(31, 34, 40, 0.1);
  --bu-shadow-soft: 0 14px 38px rgba(31, 34, 40, 0.07);
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  color: var(--bu-ink);
  background: var(--bu-cloud);
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.bu-wissen-page *,
.bu-wissen-page *::before,
.bu-wissen-page *::after {
  box-sizing: border-box;
}

.bu-wissen-page html {
  scroll-behavior: smooth;
}

.bu-wissen-page img {
  display: block;
  max-width: 100%;
}

.bu-wissen-page a {
  color: inherit;
  text-decoration: none;
}

.bu-wissen-page button,
.bu-wissen-page summary,
.bu-wissen-page a {
  -webkit-tap-highlight-color: transparent;
}

.bu-wissen-page button {
  font: inherit;
}

.bu-wissen-page :focus-visible {
  outline: 3px solid var(--bu-yellow);
  outline-offset: 4px;
}

.bu-wissen-page h1,
.bu-wissen-page h2,
.bu-wissen-page h3,
.bu-wissen-page p {
  margin-top: 0;
}

.bu-wissen-page .bu-container {
  width: min(100% - 36px, 1360px);
  margin-inline: auto;
}

.bu-wissen-page .bu-skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--bu-yellow);
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.bu-wissen-page .bu-skip-link:focus {
  transform: translateY(0);
}

.bu-wissen-page .bu-scroll-progress {
  position: fixed;
  z-index: 150;
  inset: 0 0 auto;
  height: 4px;
  background: rgba(255, 210, 0, 0.2);
}

.bu-wissen-page .bu-scroll-progress i {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--bu-yellow);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.bu-wissen-page .bu-site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--bu-line);
  background: rgba(248, 250, 252, 0.92);
  box-shadow: 0 8px 28px rgba(31, 34, 40, 0.05);
  backdrop-filter: blur(18px);
}

.bu-wissen-page .bu-header-inner {
  display: flex;
  width: min(100% - 28px, 1440px);
  min-height: 82px;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.bu-wissen-page .bu-brand {
  width: 126px;
  flex: 0 0 auto;
}

.bu-wissen-page .bu-brand img {
  width: 100%;
  height: 62px;
  object-fit: contain;
}

.bu-wissen-page .bu-desktop-nav,
.bu-wissen-page .bu-header-cta {
  display: none;
}

.bu-wissen-page .bu-menu-button {
  display: grid;
  width: 54px;
  height: 54px;
  padding: 0;
  border: 1px solid var(--bu-line);
  border-radius: 18px;
  background: white;
  place-content: center;
  gap: 7px;
  cursor: pointer;
  box-shadow: var(--bu-shadow-soft);
}

.bu-wissen-page .bu-menu-button span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: var(--bu-ink);
  transition: transform 180ms ease;
}

.bu-wissen-page .bu-menu-button[aria-expanded="true"] span:first-child {
  transform: translateY(4.5px) rotate(45deg);
}

.bu-wissen-page .bu-menu-button[aria-expanded="true"] span:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}

.bu-wissen-page .bu-mobile-menu {
  display: grid;
  width: min(100% - 28px, 680px);
  margin: 0 auto 14px;
  padding: 10px;
  border: 1px solid var(--bu-line);
  border-radius: 24px;
  background: white;
  box-shadow: var(--bu-shadow);
}

.bu-wissen-page .bu-mobile-menu[hidden] {
  display: none;
}

.bu-wissen-page .bu-mobile-menu a {
  display: flex;
  min-height: 48px;
  padding: 12px 14px;
  align-items: center;
  border-radius: 14px;
  font-size: 0.91rem;
  font-weight: 750;
}

.bu-wissen-page .bu-mobile-menu a:hover {
  background: var(--bu-cream);
}

.bu-wissen-page .bu-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #72767e;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.18em;
  line-height: 1.25;
  text-transform: uppercase;
}

.bu-wissen-page .bu-eyebrow::before {
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--bu-yellow);
  content: "";
}

.bu-wissen-page .bu-section,
.bu-wissen-page .bu-sources {
  position: relative;
  padding-block: 78px;
}

.bu-wissen-page .bu-section::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(31, 34, 40, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 34, 40, 0.026) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
}

.bu-wissen-page .bu-section > .bu-container,
.bu-wissen-page .bu-sources > .bu-container {
  position: relative;
  z-index: 1;
}

.bu-wissen-page .bu-section-heading {
  max-width: 880px;
  margin-bottom: 38px;
}

.bu-wissen-page .bu-section-heading-centered {
  margin-inline: auto;
  text-align: center;
}

.bu-wissen-page .bu-section-heading h2,
.bu-wissen-page .bu-closing h2 {
  margin: 16px 0 0;
  font-size: clamp(2rem, 9vw, 4.7rem);
  font-weight: 850;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.bu-wissen-page .bu-section-heading h2 em {
  color: #737780;
  font-style: normal;
  font-weight: 600;
}

.bu-wissen-page .bu-button {
  display: inline-flex;
  min-height: 56px;
  padding: 14px 18px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid transparent;
  border-radius: 18px;
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.bu-wissen-page .bu-button span {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 50%;
  place-items: center;
  font-size: 1rem;
}

.bu-wissen-page .bu-button:hover {
  transform: translateY(-3px);
}

.bu-wissen-page .bu-button-primary {
  color: var(--bu-ink);
  background: var(--bu-yellow);
  box-shadow: 0 16px 34px rgba(255, 210, 0, 0.28);
}

.bu-wissen-page .bu-button-primary span {
  color: var(--bu-yellow);
  background: var(--bu-ink);
}

.bu-wissen-page .bu-button-secondary {
  border-color: var(--bu-line);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--bu-shadow-soft);
}

.bu-wissen-page .bu-button-secondary span {
  color: var(--bu-ink);
  background: var(--bu-cream);
}

.bu-wissen-page.bu-motion-ready [data-bu-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms cubic-bezier(0.2, 0.75, 0.2, 1), transform 650ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

.bu-wissen-page.bu-motion-ready [data-bu-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero */
.bu-wissen-page .bu-hero {
  position: relative;
  min-height: calc(100svh - 82px);
  padding: 44px 0 92px;
  overflow: hidden;
  background:
    radial-gradient(circle at 86% 18%, rgba(255, 210, 0, 0.22), transparent 28%),
    linear-gradient(135deg, #fff 0 52%, var(--bu-cream) 100%);
}

.bu-wissen-page .bu-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 34, 40, 0.036) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 34, 40, 0.036) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(100deg, #000, transparent 68%);
}

.bu-wissen-page .bu-hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 44px;
}

.bu-wissen-page .bu-hero-copy h1 {
  max-width: 920px;
  margin: 18px 0 24px;
  font-size: clamp(2.85rem, 13.2vw, 6.9rem);
  font-weight: 880;
  letter-spacing: -0.075em;
  line-height: 0.91;
}

.bu-wissen-page .bu-hero-copy > p {
  max-width: 720px;
  margin-bottom: 28px;
  color: var(--bu-muted);
  font-size: clamp(1rem, 4.3vw, 1.3rem);
}

.bu-wissen-page .bu-hero-actions {
  display: grid;
  gap: 12px;
}

.bu-wissen-page .bu-value-chain {
  position: relative;
  display: grid;
  padding: 24px;
  border: 1px solid var(--bu-line);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--bu-shadow);
  overflow: hidden;
}

.bu-wissen-page .bu-chain-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 34, 40, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 34, 40, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent);
}

.bu-wissen-page .bu-chain-step {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 94px;
  padding: 16px 18px 16px 70px;
  border: 1px solid var(--bu-line);
  border-radius: 20px;
  background: rgba(248, 250, 252, 0.9);
  align-content: center;
}

.bu-wissen-page .bu-chain-step > span {
  position: absolute;
  top: 50%;
  left: 16px;
  display: grid;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--bu-yellow);
  place-items: center;
  font-size: 0.72rem;
  font-weight: 900;
  transform: translateY(-50%);
}

.bu-wissen-page .bu-chain-step strong {
  font-size: 1.04rem;
  font-weight: 850;
}

.bu-wissen-page .bu-chain-step small {
  color: var(--bu-muted);
  font-size: 0.74rem;
  font-weight: 620;
}

.bu-wissen-page .bu-chain-step-2,
.bu-wissen-page .bu-chain-step-4 {
  color: white;
  background: var(--bu-ink);
}

.bu-wissen-page .bu-chain-step-2 small,
.bu-wissen-page .bu-chain-step-4 small {
  color: rgba(255, 255, 255, 0.62);
}

.bu-wissen-page .bu-chain-link {
  position: relative;
  z-index: 2;
  display: block;
  width: 2px;
  height: 24px;
  margin-inline: 36px;
  background: var(--bu-yellow);
}

.bu-wissen-page .bu-chain-link::after {
  position: absolute;
  bottom: -2px;
  left: -3px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--bu-yellow);
  border-bottom: 2px solid var(--bu-yellow);
  content: "";
  transform: rotate(45deg);
}

.bu-wissen-page .bu-hero-scroll {
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--bu-muted);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.bu-wissen-page .bu-hero-scroll span {
  display: grid;
  width: 38px;
  height: 38px;
  border: 1px solid var(--bu-line);
  border-radius: 50%;
  background: white;
  place-items: center;
}

/* Ursachen */
.bu-wissen-page .bu-causes {
  background: var(--bu-ink);
  color: white;
}

.bu-wissen-page .bu-causes::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
}

.bu-wissen-page .bu-causes .bu-section-heading h2 em,
.bu-wissen-page .bu-causes .bu-eyebrow {
  color: rgba(255, 255, 255, 0.62);
}

.bu-wissen-page .bu-stat-grid {
  display: grid;
  gap: 14px;
}

.bu-wissen-page .bu-stat-card {
  position: relative;
  display: grid;
  min-height: 230px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  background: var(--bu-charcoal);
  overflow: hidden;
}

.bu-wissen-page .bu-stat-card-primary {
  color: var(--bu-ink);
  background: var(--bu-yellow);
}

.bu-wissen-page .bu-stat-card-wide {
  background: linear-gradient(140deg, #373b44, #282c33);
}

.bu-wissen-page .bu-stat-card-dark {
  border-color: rgba(255, 210, 0, 0.3);
  background: #17191e;
}

.bu-wissen-page .bu-stat-card > strong {
  align-self: end;
  font-size: clamp(3.5rem, 19vw, 6.6rem);
  font-weight: 880;
  letter-spacing: -0.08em;
  line-height: 0.84;
}

.bu-wissen-page .bu-stat-card > strong em {
  font-size: 0.32em;
  font-style: normal;
  letter-spacing: -0.02em;
}

.bu-wissen-page .bu-stat-card h3 {
  margin: 12px 0 26px;
  font-size: 1rem;
}

.bu-wissen-page .bu-stat-symbol {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 66px;
  height: 66px;
  border: 1px solid currentColor;
  border-radius: 20px;
  opacity: 0.58;
}

.bu-wissen-page .bu-stat-symbol i {
  position: absolute;
  display: block;
}

.bu-wissen-page .bu-stat-symbol-waves i {
  left: 14px;
  width: 38px;
  height: 13px;
  border-top: 3px solid currentColor;
  border-radius: 50%;
}

.bu-wissen-page .bu-stat-symbol-waves i:nth-child(1) { top: 17px; }
.bu-wissen-page .bu-stat-symbol-waves i:nth-child(2) { top: 28px; width: 30px; }
.bu-wissen-page .bu-stat-symbol-waves i:nth-child(3) { top: 39px; width: 22px; }

.bu-wissen-page .bu-stat-symbol-cells i {
  width: 17px;
  height: 17px;
  border: 3px solid var(--bu-yellow);
  border-radius: 50%;
}

.bu-wissen-page .bu-stat-symbol-cells i:nth-child(1) { top: 14px; left: 16px; }
.bu-wissen-page .bu-stat-symbol-cells i:nth-child(2) { top: 29px; left: 34px; }
.bu-wissen-page .bu-stat-symbol-cells i:nth-child(3) { top: 38px; left: 14px; }

.bu-wissen-page .bu-stat-symbol-motion i:first-child {
  inset: 14px;
  border: 3px solid var(--bu-yellow);
  border-top-color: transparent;
  border-radius: 50%;
  transform: rotate(-22deg);
}

.bu-wissen-page .bu-stat-symbol-motion i:last-child {
  right: 12px;
  bottom: 14px;
  width: 14px;
  height: 14px;
  border-right: 3px solid var(--bu-yellow);
  border-bottom: 3px solid var(--bu-yellow);
  transform: rotate(-12deg);
}

.bu-wissen-page .bu-stat-symbol-impact i:first-child {
  top: 31px;
  left: 12px;
  width: 42px;
  height: 3px;
  background: var(--bu-yellow);
  transform: rotate(-34deg);
}

.bu-wissen-page .bu-stat-symbol-impact i:last-child {
  top: 18px;
  left: 29px;
  width: 11px;
  height: 30px;
  border-top: 3px solid var(--bu-yellow);
  border-bottom: 3px solid var(--bu-yellow);
}

.bu-wissen-page .bu-stat-track {
  position: absolute;
  right: 24px;
  bottom: 20px;
  left: 24px;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.bu-wissen-page .bu-stat-card-primary .bu-stat-track {
  background: rgba(31, 34, 40, 0.13);
}

.bu-wissen-page .bu-stat-track i {
  display: block;
  width: calc(var(--stat) * 2%);
  max-width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--bu-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 900ms 250ms ease;
}

.bu-wissen-page .bu-stat-card-primary .bu-stat-track i {
  background: var(--bu-ink);
}

.bu-wissen-page .bu-stat-card.is-visible .bu-stat-track i {
  transform: scaleX(1);
}

.bu-wissen-page .bu-source-line {
  display: grid;
  gap: 6px;
  margin-top: 22px;
  padding: 16px 18px;
  border-left: 3px solid var(--bu-yellow);
  color: inherit;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.72rem;
}

.bu-wissen-page .bu-source-line a {
  color: var(--bu-yellow);
  font-weight: 760;
}

.bu-wissen-page .bu-statement {
  margin: 34px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid currentColor;
  font-size: clamp(1.35rem, 6vw, 2.5rem);
  font-weight: 790;
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.bu-wissen-page .bu-statement-light {
  color: white;
  border-color: rgba(255, 255, 255, 0.14);
}

/* Einkommensnetz */
.bu-wissen-page .bu-income {
  background: var(--bu-cream);
}

.bu-wissen-page .bu-income-network {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--bu-line);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--bu-shadow);
}

.bu-wissen-page .bu-income-node {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 64px;
  padding: 10px;
  border: 1px solid var(--bu-line);
  border-radius: 17px;
  background: var(--bu-cloud);
  place-items: center;
  font-size: 0.74rem;
  font-weight: 760;
  text-align: center;
}

.bu-wissen-page .bu-income-core {
  position: relative;
  z-index: 3;
  display: grid;
  grid-column: 1 / -1;
  min-height: 150px;
  padding: 26px;
  border-radius: 28px;
  color: white;
  background: var(--bu-ink);
  place-content: center;
  text-align: center;
  box-shadow: 0 18px 40px rgba(31, 34, 40, 0.24);
  order: -1;
}

.bu-wissen-page .bu-income-core::before,
.bu-wissen-page .bu-income-core::after {
  position: absolute;
  border: 1px solid rgba(255, 210, 0, 0.46);
  border-radius: 50%;
  content: "";
  inset: 18px;
}

.bu-wissen-page .bu-income-core::after {
  inset: 30px;
  opacity: 0.44;
}

.bu-wissen-page .bu-income-core small,
.bu-wissen-page .bu-income-core strong {
  position: relative;
  z-index: 1;
}

.bu-wissen-page .bu-income-core small {
  color: var(--bu-yellow);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.bu-wissen-page .bu-income-core strong {
  font-size: clamp(1.65rem, 8vw, 3.2rem);
  letter-spacing: -0.055em;
}

.bu-wissen-page .bu-network-lines {
  display: none;
}

.bu-wissen-page .bu-statement-dark {
  padding: 25px;
  border: 0;
  border-radius: 26px;
  color: white;
  background: var(--bu-ink);
}

/* Vergleich */
.bu-wissen-page .bu-comparison {
  background: var(--bu-cloud);
}

.bu-wissen-page .bu-comparison-grid {
  display: grid;
  gap: 14px;
}

.bu-wissen-page .bu-compare-card {
  position: relative;
  min-height: 310px;
  padding: 26px;
  border: 1px solid var(--bu-line);
  border-radius: 30px;
  background: white;
  box-shadow: var(--bu-shadow-soft);
  overflow: hidden;
}

.bu-wissen-page .bu-compare-private {
  border-color: rgba(255, 210, 0, 0.78);
  background: linear-gradient(140deg, var(--bu-cream), white);
}

.bu-wissen-page .bu-card-index {
  position: absolute;
  top: 22px;
  right: 22px;
  display: grid;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--bu-muted);
  background: rgba(31, 34, 40, 0.05);
  place-items: center;
  font-size: 0.72rem;
  font-weight: 850;
}

.bu-wissen-page .bu-compare-icon {
  position: relative;
  width: 76px;
  height: 76px;
  margin-bottom: 54px;
  border-radius: 24px;
  background: var(--bu-yellow);
  box-shadow: 0 14px 30px rgba(255, 210, 0, 0.25);
}

.bu-wissen-page .bu-compare-icon::before {
  position: absolute;
  inset: 16px 18px;
  border: 3px solid var(--bu-ink);
  border-radius: 48% 48% 58% 58% / 35% 35% 70% 70%;
  content: "";
}

.bu-wissen-page .bu-compare-icon i::before {
  position: absolute;
  top: 37px;
  left: 29px;
  width: 22px;
  height: 11px;
  border-bottom: 3px solid var(--bu-ink);
  border-left: 3px solid var(--bu-ink);
  content: "";
  transform: rotate(-45deg);
}

.bu-wissen-page .bu-compare-statutory .bu-compare-icon {
  background: var(--bu-cloud);
}

.bu-wissen-page .bu-compare-card h3 {
  margin-bottom: 10px;
  font-size: 1.35rem;
  letter-spacing: -0.035em;
}

.bu-wissen-page .bu-compare-card p {
  margin-bottom: 12px;
  font-weight: 650;
}

.bu-wissen-page .bu-compare-card small {
  display: block;
  color: var(--bu-muted);
}

.bu-wissen-page .bu-hours-scale {
  display: grid;
  margin-top: 18px;
  border: 1px solid var(--bu-line);
  border-radius: 28px;
  background: white;
  overflow: hidden;
  box-shadow: var(--bu-shadow-soft);
}

.bu-wissen-page .bu-hours-segment {
  display: grid;
  min-height: 142px;
  padding: 24px;
  align-content: center;
  border-bottom: 1px solid var(--bu-line);
}

.bu-wissen-page .bu-hours-segment:last-child {
  border-bottom: 0;
}

.bu-wissen-page .bu-hours-segment > span {
  color: var(--bu-muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.bu-wissen-page .bu-hours-segment strong {
  font-size: 1.65rem;
  letter-spacing: -0.04em;
}

.bu-wissen-page .bu-hours-segment small {
  margin-top: 5px;
  color: var(--bu-muted);
  font-size: 0.75rem;
}

.bu-wissen-page .bu-hours-full { border-left: 8px solid var(--bu-ink); }
.bu-wissen-page .bu-hours-partial { border-left: 8px solid var(--bu-yellow); background: var(--bu-cream); }
.bu-wissen-page .bu-hours-none { border-left: 8px solid #d9dde3; }

.bu-wissen-page .bu-comparison .bu-source-line {
  color: var(--bu-muted);
  background: rgba(31, 34, 40, 0.035);
}

.bu-wissen-page .bu-comparison .bu-source-line a {
  color: var(--bu-ink);
}

/* Zeitpunkt */
.bu-wissen-page .bu-timing {
  background: white;
}

.bu-wissen-page .bu-timing-grid {
  display: grid;
  gap: 12px;
}

.bu-wissen-page .bu-timing-grid article,
.bu-wissen-page .bu-quality-grid article {
  position: relative;
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--bu-line);
  border-radius: 26px;
  background: var(--bu-cloud);
}

.bu-wissen-page .bu-timing-grid article > span,
.bu-wissen-page .bu-quality-grid article > span {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 34px;
  border-radius: 14px;
  color: var(--bu-ink);
  background: var(--bu-yellow);
  place-items: center;
  font-size: 0.7rem;
  font-weight: 900;
}

.bu-wissen-page .bu-timing-grid h3,
.bu-wissen-page .bu-quality-grid h3 {
  margin-bottom: 8px;
  font-size: 1.17rem;
  letter-spacing: -0.03em;
}

.bu-wissen-page .bu-timing-grid p,
.bu-wissen-page .bu-quality-grid p {
  margin-bottom: 0;
  color: var(--bu-muted);
  font-size: 0.86rem;
}

.bu-wissen-page .bu-life-timeline {
  position: relative;
  display: flex;
  margin: 38px 0 0;
  padding: 24px 6px 0;
  justify-content: space-between;
  gap: 3px;
}

.bu-wissen-page .bu-life-timeline::before {
  position: absolute;
  top: 31px;
  right: 8px;
  left: 8px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--bu-yellow), #daddE3);
  content: "";
}

.bu-wissen-page .bu-life-step {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 10px;
}

.bu-wissen-page .bu-life-step i {
  display: block;
  width: 17px;
  height: 17px;
  border: 4px solid white;
  border-radius: 50%;
  background: #c8ccd3;
  box-shadow: 0 0 0 1px var(--bu-line);
}

.bu-wissen-page .bu-life-current i,
.bu-wissen-page .bu-life-future i {
  background: var(--bu-yellow);
  box-shadow: 0 0 0 6px rgba(255, 210, 0, 0.16);
}

.bu-wissen-page .bu-life-step strong {
  font-size: 0.53rem;
  font-weight: 750;
  writing-mode: vertical-rl;
}

.bu-wissen-page .bu-timing-statement {
  margin: 32px 0 0;
  padding: 24px;
  border-radius: 26px;
  color: white;
  background: var(--bu-ink);
  font-size: clamp(1.2rem, 5vw, 2rem);
  font-weight: 730;
  line-height: 1.2;
}

.bu-wissen-page .bu-timing-statement span {
  display: block;
  margin-bottom: 8px;
  color: var(--bu-yellow);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Gesundheit */
.bu-wissen-page .bu-health {
  background: var(--bu-cream);
}

.bu-wissen-page .bu-health-process {
  display: grid;
  margin: 0;
  padding: 0;
  border: 1px solid var(--bu-line);
  border-radius: 28px;
  background: white;
  list-style: none;
  overflow: hidden;
  box-shadow: var(--bu-shadow-soft);
}

.bu-wissen-page .bu-health-process li {
  position: relative;
  display: flex;
  min-height: 80px;
  padding: 18px 20px;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--bu-line);
}

.bu-wissen-page .bu-health-process li:last-child {
  border-bottom: 0;
}

.bu-wissen-page .bu-health-process span {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 14px;
  background: var(--bu-yellow);
  place-items: center;
  font-size: 0.7rem;
  font-weight: 900;
}

.bu-wissen-page .bu-health-process strong {
  font-size: 0.86rem;
}

.bu-wissen-page .bu-health-facts {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.bu-wissen-page .bu-health-facts p {
  display: flex;
  margin: 0;
  padding: 18px;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid var(--bu-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
  font-weight: 630;
}

.bu-wissen-page .bu-health-facts span {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: var(--bu-yellow);
  place-items: center;
  font-weight: 900;
}

.bu-wissen-page .bu-risk-check {
  display: grid;
  gap: 22px;
  margin-top: 22px;
  padding: 26px;
  border-radius: 30px;
  color: white;
  background:
    radial-gradient(circle at 100% 0, rgba(255, 210, 0, 0.2), transparent 32%),
    var(--bu-ink);
  box-shadow: var(--bu-shadow);
}

.bu-wissen-page .bu-risk-mark {
  position: relative;
  width: 86px;
  height: 86px;
  border: 1px solid rgba(255, 210, 0, 0.35);
  border-radius: 26px;
  background: rgba(255, 210, 0, 0.09);
}

.bu-wissen-page .bu-risk-mark::before,
.bu-wissen-page .bu-risk-mark::after {
  position: absolute;
  border: 3px solid var(--bu-yellow);
  border-radius: 50%;
  content: "";
}

.bu-wissen-page .bu-risk-mark::before { inset: 19px; }
.bu-wissen-page .bu-risk-mark::after { inset: 31px; background: var(--bu-yellow); }

.bu-wissen-page .bu-risk-mark i:first-child {
  position: absolute;
  top: 41px;
  left: 4px;
  width: 22px;
  height: 3px;
  background: var(--bu-yellow);
}

.bu-wissen-page .bu-risk-mark i:last-child {
  position: absolute;
  top: 41px;
  right: 4px;
  width: 22px;
  height: 3px;
  background: var(--bu-yellow);
}

.bu-wissen-page .bu-risk-check .bu-eyebrow { color: rgba(255, 255, 255, 0.63); }
.bu-wissen-page .bu-risk-check h3 { margin: 14px 0 8px; font-size: 1.45rem; letter-spacing: -0.04em; }
.bu-wissen-page .bu-risk-check p { color: rgba(255, 255, 255, 0.68); }

.bu-wissen-page .bu-risk-check details {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.bu-wissen-page .bu-risk-check summary {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  color: var(--bu-yellow);
  font-size: 0.8rem;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

.bu-wissen-page .bu-risk-check summary::-webkit-details-marker { display: none; }

.bu-wissen-page .bu-risk-check summary i,
.bu-wissen-page .bu-sources summary i {
  position: relative;
  width: 22px;
  height: 22px;
}

.bu-wissen-page .bu-risk-check summary i::before,
.bu-wissen-page .bu-risk-check summary i::after,
.bu-wissen-page .bu-sources summary i::before,
.bu-wissen-page .bu-sources summary i::after {
  position: absolute;
  top: 10px;
  left: 4px;
  width: 14px;
  height: 2px;
  background: currentColor;
  content: "";
}

.bu-wissen-page .bu-risk-check summary i::after,
.bu-wissen-page .bu-sources summary i::after {
  transform: rotate(90deg);
  transition: transform 180ms ease;
}

.bu-wissen-page .bu-risk-check details[open] summary i::after,
.bu-wissen-page .bu-sources details[open] summary i::after {
  transform: rotate(0);
}

.bu-wissen-page .bu-risk-check details > div {
  padding: 0 0 18px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.78rem;
}

/* Zielgruppen */
.bu-wissen-page .bu-audiences {
  background: var(--bu-cloud);
}

.bu-wissen-page .bu-audience-grid {
  display: grid;
  gap: 12px;
}

.bu-wissen-page .bu-audience-grid article {
  position: relative;
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--bu-line);
  border-radius: 26px;
  background: white;
  box-shadow: var(--bu-shadow-soft);
  overflow: hidden;
}

.bu-wissen-page .bu-audience-grid article::after {
  position: absolute;
  right: -38px;
  bottom: -52px;
  width: 132px;
  height: 132px;
  border: 22px solid rgba(31, 34, 40, 0.04);
  border-radius: 50%;
  content: "";
}

.bu-wissen-page .bu-audience-grid article > span {
  display: inline-grid;
  min-width: 52px;
  height: 42px;
  padding: 0 12px;
  margin-bottom: 36px;
  border-radius: 14px;
  color: var(--bu-ink);
  background: var(--bu-yellow);
  place-items: center;
  font-size: 0.7rem;
  font-weight: 900;
}

.bu-wissen-page .bu-audience-grid h3 {
  margin-bottom: 6px;
  font-size: 1.2rem;
  letter-spacing: -0.035em;
}

.bu-wissen-page .bu-audience-grid p {
  max-width: 390px;
  margin-bottom: 0;
  color: var(--bu-muted);
  font-size: 0.82rem;
}

.bu-wissen-page .bu-audience-grid .bu-audience-dark {
  color: white;
  background: var(--bu-ink);
}

.bu-wissen-page .bu-audience-grid .bu-audience-dark p { color: rgba(255, 255, 255, 0.62); }
.bu-wissen-page .bu-audience-grid .bu-audience-accent { background: var(--bu-yellow); }
.bu-wissen-page .bu-audience-grid .bu-audience-accent > span { color: var(--bu-yellow); background: var(--bu-ink); }
.bu-wissen-page .bu-audience-grid .bu-audience-accent p { color: rgba(31, 34, 40, 0.7); }

/* Mythos */
.bu-wissen-page .bu-myths {
  color: white;
  background: var(--bu-ink);
}

.bu-wissen-page .bu-myths::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
}

.bu-wissen-page .bu-myths .bu-eyebrow { color: rgba(255, 255, 255, 0.58); }

.bu-wissen-page .bu-myth-grid {
  display: grid;
  gap: 14px;
}

.bu-wissen-page .bu-myth-card {
  position: relative;
  display: grid;
  width: 100%;
  min-height: 250px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  color: white;
  background: var(--bu-charcoal);
  align-content: space-between;
  text-align: left;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.bu-wissen-page .bu-myth-card:hover {
  border-color: rgba(255, 210, 0, 0.6);
  transform: translateY(-3px);
}

.bu-wissen-page .bu-myth-card[aria-expanded="true"] {
  color: var(--bu-ink);
  background: var(--bu-yellow);
}

.bu-wissen-page .bu-myth-number {
  color: var(--bu-yellow);
  font-size: 0.72rem;
  font-weight: 900;
}

.bu-wissen-page .bu-myth-card[aria-expanded="true"] .bu-myth-number { color: var(--bu-ink); }

.bu-wissen-page .bu-myth-question {
  margin: 30px 0;
  font-size: clamp(1.2rem, 5.5vw, 1.75rem);
  font-weight: 760;
  letter-spacing: -0.04em;
  line-height: 1.14;
}

.bu-wissen-page .bu-myth-prompt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
  font-weight: 750;
}

.bu-wissen-page .bu-myth-prompt i {
  display: grid;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--bu-yellow);
  background: var(--bu-ink);
  place-items: center;
  font-style: normal;
}

.bu-wissen-page .bu-myth-card[aria-expanded="true"] .bu-myth-prompt { display: none; }

.bu-wissen-page .bu-myth-answer {
  display: grid;
  gap: 10px;
}

.bu-wissen-page .bu-myth-answer[hidden] { display: none; }

.bu-wissen-page .bu-myth-answer strong {
  font-size: 2rem;
  letter-spacing: -0.05em;
}

.bu-wissen-page .bu-myth-answer small {
  color: rgba(31, 34, 40, 0.72);
  font-size: 0.8rem;
  font-weight: 620;
}

/* Qualitätsmerkmale */
.bu-wissen-page .bu-quality {
  background: var(--bu-cream);
}

.bu-wissen-page .bu-quality-grid {
  display: grid;
  gap: 12px;
}

.bu-wissen-page .bu-quality-grid article:nth-child(2),
.bu-wissen-page .bu-quality-grid article:nth-child(5) {
  background: white;
}

.bu-wissen-page .bu-quality-grid article:nth-child(6) {
  color: white;
  background: var(--bu-ink);
}

.bu-wissen-page .bu-quality-grid article:nth-child(6) p { color: rgba(255, 255, 255, 0.62); }

/* Abschluss */
.bu-wissen-page .bu-closing {
  position: relative;
  padding-block: 78px;
  color: white;
  background:
    radial-gradient(circle at 80% 12%, rgba(255, 210, 0, 0.18), transparent 28%),
    #17191e;
  overflow: hidden;
}

.bu-wissen-page .bu-closing::before {
  position: absolute;
  right: -140px;
  bottom: -210px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255, 210, 0, 0.24);
  border-radius: 50%;
  box-shadow: 0 0 0 48px rgba(255, 210, 0, 0.035), 0 0 0 96px rgba(255, 210, 0, 0.02);
  content: "";
}

.bu-wissen-page .bu-closing-grid {
  position: relative;
  display: grid;
  gap: 34px;
}

.bu-wissen-page .bu-closing .bu-eyebrow { color: rgba(255, 255, 255, 0.58); }
.bu-wissen-page .bu-closing h2 { max-width: 850px; }
.bu-wissen-page .bu-closing p { max-width: 700px; margin-top: 22px; color: rgba(255, 255, 255, 0.65); }

.bu-wissen-page .bu-closing-actions {
  display: grid;
  gap: 12px;
}

.bu-wissen-page .bu-button-dark-outline {
  border-color: rgba(255, 255, 255, 0.2);
  color: white;
  background: rgba(255, 255, 255, 0.05);
}

.bu-wissen-page .bu-button-dark-outline span {
  color: var(--bu-ink);
  background: white;
}

.bu-wissen-page .bu-closing-question {
  display: inline-block;
  padding: 10px 4px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Quellen */
.bu-wissen-page .bu-sources {
  background: var(--bu-cloud);
}

.bu-wissen-page .bu-sources details {
  border: 1px solid var(--bu-line);
  border-radius: 28px;
  background: white;
  box-shadow: var(--bu-shadow-soft);
  overflow: hidden;
}

.bu-wissen-page .bu-sources summary {
  display: flex;
  min-height: 82px;
  padding: 22px 24px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.85rem;
  font-weight: 820;
  cursor: pointer;
  list-style: none;
}

.bu-wissen-page .bu-sources summary::-webkit-details-marker { display: none; }

.bu-wissen-page .bu-source-grid {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
}

.bu-wissen-page .bu-source-grid article {
  padding: 20px;
  border-radius: 20px;
  background: var(--bu-cloud);
}

.bu-wissen-page .bu-source-grid h3 { margin-bottom: 5px; font-size: 0.95rem; }
.bu-wissen-page .bu-source-grid p { margin-bottom: 10px; color: var(--bu-muted); font-size: 0.74rem; }
.bu-wissen-page .bu-source-grid a { font-size: 0.72rem; font-weight: 760; text-decoration: underline; text-underline-offset: 3px; }
.bu-wissen-page .bu-legal-note { margin: 0; padding: 0 22px 24px; color: var(--bu-muted); font-size: 0.7rem; }

/* Footer */
.bu-wissen-page .bu-footer {
  padding: 48px 0 110px;
  color: white;
  background: var(--bu-ink);
}

.bu-wissen-page .bu-footer-grid {
  display: grid;
  gap: 34px;
}

.bu-wissen-page .bu-footer-brand {
  display: inline-grid;
  color: var(--bu-yellow);
  font-size: 1.35rem;
  font-weight: 860;
  letter-spacing: -0.04em;
}

.bu-wissen-page .bu-footer-brand span {
  color: white;
  font-size: 0.58rem;
  font-weight: 650;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.bu-wissen-page .bu-footer p {
  max-width: 520px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.77rem;
}

.bu-wissen-page .bu-footer nav {
  display: grid;
  gap: 9px;
  font-size: 0.78rem;
  font-weight: 700;
}

.bu-wissen-page .bu-footer-grid > span {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.68rem;
}

@media (min-width: 480px) {
  .bu-wissen-page .bu-container { width: min(100% - 48px, 1360px); }
  .bu-wissen-page .bu-hero-actions { display: flex; flex-wrap: wrap; }
  .bu-wissen-page .bu-button { min-width: 220px; }
  .bu-wissen-page .bu-stat-grid,
  .bu-wissen-page .bu-timing-grid,
  .bu-wissen-page .bu-audience-grid,
  .bu-wissen-page .bu-myth-grid,
  .bu-wissen-page .bu-quality-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bu-wissen-page .bu-stat-card { min-height: 260px; }
  .bu-wissen-page .bu-audience-wide { grid-column: span 2; }
  .bu-wissen-page .bu-life-step strong { font-size: 0.61rem; writing-mode: initial; }
  .bu-wissen-page .bu-footer { padding-bottom: 64px; }
}

@media (min-width: 720px) {
  .bu-wissen-page .bu-header-inner { min-height: 92px; }
  .bu-wissen-page .bu-brand { width: 148px; }
  .bu-wissen-page .bu-brand img { height: 72px; }
  .bu-wissen-page .bu-section,
  .bu-wissen-page .bu-sources,
  .bu-wissen-page .bu-closing { padding-block: 110px; }
  .bu-wissen-page .bu-hero { min-height: calc(100svh - 92px); padding: 72px 0 110px; }
  .bu-wissen-page .bu-hero-copy h1 { max-width: 1080px; }
  .bu-wissen-page .bu-value-chain { grid-template-columns: 1fr 34px 1fr; align-items: center; }
  .bu-wissen-page .bu-chain-step { padding-left: 76px; }
  .bu-wissen-page .bu-chain-link { width: 34px; height: 2px; margin: 0; }
  .bu-wissen-page .bu-chain-link::after { right: -1px; bottom: -3px; left: auto; transform: rotate(-45deg); }
  .bu-wissen-page .bu-stat-card-primary { grid-row: span 2; min-height: 534px; }
  .bu-wissen-page .bu-stat-card-wide { grid-column: span 1; }
  .bu-wissen-page .bu-source-line { grid-template-columns: 1fr auto; align-items: center; }
  .bu-wissen-page .bu-income-network { grid-template-columns: repeat(4, 1fr); padding: 28px; }
  .bu-wissen-page .bu-income-core { grid-column: 2 / 4; grid-row: 2 / 4; min-height: 230px; order: initial; }
  .bu-wissen-page .bu-node-1, .bu-wissen-page .bu-node-2, .bu-wissen-page .bu-node-3, .bu-wissen-page .bu-node-4 { grid-row: 1; }
  .bu-wissen-page .bu-node-5, .bu-wissen-page .bu-node-6, .bu-wissen-page .bu-node-7, .bu-wissen-page .bu-node-8 { grid-row: 4; }
  .bu-wissen-page .bu-income-node { min-height: 90px; }
  .bu-wissen-page .bu-comparison-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bu-wissen-page .bu-compare-card { min-height: 360px; padding: 36px; }
  .bu-wissen-page .bu-hours-scale { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bu-wissen-page .bu-hours-segment { min-height: 170px; border-right: 1px solid var(--bu-line); border-bottom: 0; border-left: 0; border-top: 8px solid; }
  .bu-wissen-page .bu-hours-segment:last-child { border-right: 0; }
  .bu-wissen-page .bu-hours-full { border-top-color: var(--bu-ink); }
  .bu-wissen-page .bu-hours-partial { border-top-color: var(--bu-yellow); }
  .bu-wissen-page .bu-hours-none { border-top-color: #d9dde3; }
  .bu-wissen-page .bu-health-process { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .bu-wissen-page .bu-health-process li { display: grid; min-height: 160px; align-content: space-between; border-right: 1px solid var(--bu-line); border-bottom: 0; }
  .bu-wissen-page .bu-health-process li:last-child { border-right: 0; }
  .bu-wissen-page .bu-health-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bu-wissen-page .bu-risk-check { grid-template-columns: 110px 1fr; padding: 40px; align-items: start; }
  .bu-wissen-page .bu-audience-large { grid-row: span 2; min-height: 392px !important; }
  .bu-wissen-page .bu-myth-card { min-height: 290px; padding: 30px; }
  .bu-wissen-page .bu-quality-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bu-wissen-page .bu-closing-grid { grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.5fr); align-items: end; }
  .bu-wissen-page .bu-source-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bu-wissen-page .bu-footer-grid { grid-template-columns: 1.5fr 0.7fr auto; align-items: end; }
}

@media (min-width: 1024px) {
  .bu-wissen-page .bu-container { width: min(100% - 80px, 1360px); }
  .bu-wissen-page .bu-header-inner { width: min(100% - 56px, 1440px); }
  .bu-wissen-page .bu-hero-shell { grid-template-columns: minmax(0, 1.12fr) minmax(400px, 0.88fr); align-items: center; }
  .bu-wissen-page .bu-hero-copy h1 { font-size: clamp(4.7rem, 7vw, 7rem); }
  .bu-wissen-page .bu-value-chain { display: grid; grid-template-columns: 1fr; padding: 34px; }
  .bu-wissen-page .bu-chain-step { min-height: 104px; }
  .bu-wissen-page .bu-chain-link { width: 2px; height: 28px; margin-inline: 38px; }
  .bu-wissen-page .bu-chain-link::after { right: auto; bottom: -2px; left: -3px; transform: rotate(45deg); }
  .bu-wissen-page .bu-section-heading h2,
  .bu-wissen-page .bu-closing h2 { font-size: clamp(3.4rem, 5vw, 5rem); }
  .bu-wissen-page .bu-stat-grid { grid-template-columns: 1.15fr 0.95fr 0.9fr; }
  .bu-wissen-page .bu-stat-card-primary { grid-row: span 2; }
  .bu-wissen-page .bu-stat-card-wide { grid-column: span 2; }
  .bu-wissen-page .bu-stat-card { min-height: 260px; }
  .bu-wissen-page .bu-stat-card-primary { min-height: 534px; }
  .bu-wissen-page .bu-income-network { min-height: 650px; grid-template-columns: repeat(5, 1fr); grid-template-rows: repeat(5, 1fr); align-items: center; }
  .bu-wissen-page .bu-income-core { grid-column: 2 / 5; grid-row: 2 / 5; width: 360px; height: 360px; min-height: 0; margin: auto; border-radius: 50%; }
  .bu-wissen-page .bu-node-1 { grid-column: 1; grid-row: 1; }
  .bu-wissen-page .bu-node-2 { grid-column: 3; grid-row: 1; }
  .bu-wissen-page .bu-node-3 { grid-column: 5; grid-row: 1; }
  .bu-wissen-page .bu-node-4 { grid-column: 1; grid-row: 3; }
  .bu-wissen-page .bu-node-5 { grid-column: 5; grid-row: 3; }
  .bu-wissen-page .bu-node-6 { grid-column: 1; grid-row: 5; }
  .bu-wissen-page .bu-node-7 { grid-column: 3; grid-row: 5; }
  .bu-wissen-page .bu-node-8 { grid-column: 5; grid-row: 5; }
  .bu-wissen-page .bu-income-node { min-height: 84px; }
  .bu-wissen-page .bu-timing-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .bu-wissen-page .bu-life-timeline { padding-inline: 38px; }
  .bu-wissen-page .bu-life-step strong { font-size: 0.72rem; }
  .bu-wissen-page .bu-audience-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .bu-wissen-page .bu-audience-large { grid-column: span 2; }
  .bu-wissen-page .bu-audience-wide { grid-column: span 2; }
  .bu-wissen-page .bu-myth-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1180px) {
  .bu-wissen-page .bu-desktop-nav {
    display: flex;
    align-items: center;
    gap: clamp(14px, 1.6vw, 28px);
    font-size: 0.72rem;
    font-weight: 760;
  }
  .bu-wissen-page .bu-desktop-nav a { position: relative; padding: 14px 0; }
  .bu-wissen-page .bu-desktop-nav a::after { position: absolute; right: 0; bottom: 7px; left: 0; height: 2px; border-radius: 999px; background: var(--bu-yellow); content: ""; transform: scaleX(0); transition: transform 180ms ease; }
  .bu-wissen-page .bu-desktop-nav a:hover::after { transform: scaleX(1); }
  .bu-wissen-page .bu-header-cta { display: inline-flex; min-height: 48px; padding: 9px 9px 9px 17px; align-items: center; gap: 13px; border-radius: 16px; background: var(--bu-yellow); font-size: 0.73rem; font-weight: 820; }
  .bu-wissen-page .bu-header-cta span { display: grid; width: 30px; height: 30px; border-radius: 50%; color: var(--bu-yellow); background: var(--bu-ink); place-items: center; }
  .bu-wissen-page .bu-menu-button { display: none; }
  .bu-wissen-page .bu-mobile-menu { display: none !important; }
}

@media (min-width: 1440px) {
  .bu-wissen-page .bu-section,
  .bu-wissen-page .bu-sources,
  .bu-wissen-page .bu-closing { padding-block: 138px; }
  .bu-wissen-page .bu-hero { padding-top: 96px; }
}

@media (max-width: 359px) {
  .bu-wissen-page .bu-container { width: min(100% - 24px, 1360px); }
  .bu-wissen-page .bu-header-inner { width: calc(100% - 20px); }
  .bu-wissen-page .bu-brand { width: 116px; }
  .bu-wissen-page .bu-menu-button { width: 50px; height: 50px; }
  .bu-wissen-page .bu-hero-copy h1 { font-size: 2.58rem; }
  .bu-wissen-page .bu-section-heading h2,
  .bu-wissen-page .bu-closing h2 { font-size: 1.85rem; }
  .bu-wissen-page .bu-button { padding-inline: 14px; }
  .bu-wissen-page .bu-income-node { font-size: 0.67rem; }
}

@media (prefers-reduced-motion: reduce) {
  .bu-wissen-page,
  .bu-wissen-page * {
    scroll-behavior: auto !important;
  }

  .bu-wissen-page *,
  .bu-wissen-page *::before,
  .bu-wissen-page *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .bu-wissen-page.bu-motion-ready [data-bu-reveal] {
    opacity: 1;
    transform: none;
  }
}