:root {
  --kaufen-bg: #000;
  --kaufen-fg: #fff;
  --kaufen-muted: rgba(255, 255, 255, 0.62);
  --kaufen-line: rgba(255, 255, 255, 0.14);
  --kaufen-shell: min(100% - 2 * var(--nav-pad-x, clamp(16px, 4vw, 44px)), var(--content-max, 1180px));
  --kaufen-header-pad: var(--nav-pad-x, clamp(16px, 4vw, 44px));
  --kaufen-mono: "IBM Plex Mono", "SF Mono", ui-monospace, monospace;
}

body.kaufen-page {
  margin: 0;
  min-height: 100vh;
  background: var(--kaufen-bg);
  color: var(--kaufen-fg);
  font-family: var(--kaufen-mono);
}

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

.kaufen-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: var(--kaufen-shell);
  margin: 0 auto;
  min-height: var(--fc-nav-h, 72px);
  display: flex;
  align-items: center;
  justify-content: stretch;
  gap: clamp(18px, 2.4vw, 34px);
  background: color-mix(in srgb, var(--kaufen-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  font-family: var(--font-sans);
}

.kaufen-header__links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1 1 auto;
  gap: clamp(12px, 2.2vw, 40px);
  min-width: 0;
}

.kaufen-header__logo {
  color: var(--kaufen-fg);
  font-size: clamp(0.56rem, 0.72vw, 0.72rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.1;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}

.kaufen-header__logo--fc {
  font-size: clamp(0.75rem, 1.21vw, 1.27rem);
  letter-spacing: 0.04em;
}

.kaufen-header__logo--gogogo {
  font-size: clamp(0.72rem, 1.03vw, 0.98rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  text-transform: lowercase;
}

.kaufen-header__logo--biig {
  font-size: clamp(0.65rem, 0.93vw, 0.9rem);
  font-weight: 300;
  letter-spacing: 0.28em;
}

.kaufen-header__logo--bat {
  font-size: clamp(0.62rem, 0.85vw, 0.82rem);
  font-weight: 300;
  letter-spacing: 0.16em;
}

.kaufen-header__logo--bat strong {
  font-weight: 800;
}

.kaufen-header__logo--wolfgang {
  font-size: clamp(0.53rem, 0.68vw, 0.68rem);
  font-weight: 500;
  letter-spacing: 0.12em;
}

.kaufen-header__logo:hover,
.kaufen-header__logo:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.24em;
  outline: none;
}

.kaufen-lang {
  display: inline-flex;
  overflow: hidden;
  border: 1px solid var(--kaufen-line);
  border-radius: 999px;
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-size: clamp(0.72rem, 0.9vw, 0.86rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.kaufen-lang button {
  border: 0;
  padding: 0.35rem 0.55rem;
  background: transparent;
  color: var(--kaufen-fg);
  cursor: pointer;
  font: inherit;
}

.kaufen-lang button.is-active {
  background: var(--kaufen-fg);
  color: var(--kaufen-bg);
}

.kaufen-layout {
  width: var(--kaufen-shell);
  margin: clamp(24px, 4vw, 48px) auto clamp(48px, 8vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 160px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.kaufen-sidebar {
  position: sticky;
  top: calc(var(--fc-nav-h, 72px) + 16px);
}

.kaufen-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kaufen-sidebar__link {
  color: var(--kaufen-muted);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-transform: lowercase;
}

.kaufen-sidebar__link:hover,
.kaufen-sidebar__link:focus-visible,
.kaufen-sidebar__link.is-active {
  color: var(--kaufen-fg);
  outline: none;
}

.kaufen-main__headline {
  margin: 0 0 clamp(28px, 4vw, 40px);
  font-family: var(--font-sans);
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.kaufen-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
}

.kaufen-tile {
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.kaufen-tile__media {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #111;
  border: 1px solid var(--kaufen-line);
}

.kaufen-tile__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.kaufen-tile__media > .kaufen-tile__slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.kaufen-tile__media .kaufen-tile__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.kaufen-tile__link {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.kaufen-tile__meta {
  color: inherit;
  text-decoration: none;
}

.kaufen-tile__slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.kaufen-tile__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.kaufen-tile__slide.is-active {
  opacity: 1;
}

.kaufen-tile__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

.kaufen-tile__nav--prev {
  left: 8px;
}

.kaufen-tile__nav--next {
  right: 8px;
}

.kaufen-tile__slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kaufen-tile__dots {
  position: static;
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 0;
}

.kaufen-tile__dot {
  width: 6px;
  height: 6px;
  border: 0;
  border-radius: 50%;
  padding: 0;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

.kaufen-tile__dot.is-active {
  background: #fff;
}

.kaufen-tile__title {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.35;
  text-transform: lowercase;
}

.kaufen-tile__price {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
}

.kaufen-product {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.kaufen-product__figure {
  margin: 0;
  aspect-ratio: 1;
  background: #111;
  overflow: hidden;
}

.kaufen-product__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.kaufen-product__info {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.kaufen-product__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  font-weight: 500;
  line-height: 1.2;
  text-transform: lowercase;
}

.kaufen-product__price {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.kaufen-product__note {
  margin: 0;
  color: var(--kaufen-muted);
  font-size: 0.74rem;
  line-height: 1.5;
}

.kaufen-product__preorder-note {
  margin: 12px 0 0;
  color: var(--kaufen-muted);
  font-size: 0.74rem;
  line-height: 1.55;
}

.kaufen-field__label {
  margin: 0 0 10px;
  font-size: 0.78rem;
  color: var(--kaufen-muted);
}

.kaufen-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: #1a1a1a;
  display: block;
}

.kaufen-swatch-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kaufen-swatch-btn {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  line-height: 0;
  border-radius: 50%;
}

.kaufen-swatch-btn.is-active .kaufen-swatch {
  box-shadow: 0 0 0 2px #fff;
}

.kaufen-swatch-btn:focus-visible .kaufen-swatch {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.kaufen-swatch--chocolate {
  background: #4e342e;
  border-color: rgba(255, 255, 255, 0.55);
}

.kaufen-swatch--red {
  background: #6d1f23;
  border-color: rgba(255, 255, 255, 0.55);
}

.kaufen-swatch--darkgrey {
  background: #3a3a3a;
  border-color: rgba(255, 255, 255, 0.55);
}

.kaufen-swatch-btn .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.kaufen-product__figure--slider .kaufen-tile__nav,
.kaufen-product__figure--slider .kaufen-tile__dots {
  z-index: 3;
}

.kaufen-tile.is-filtered-out {
  display: none;
}

.kaufen-product__figure--slider {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  aspect-ratio: auto;
  background: transparent;
  border: none;
  overflow: visible;
}

.kaufen-product__slider-wrap {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  width: 100%;
}

.kaufen-product__slider-stage {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  background: #111;
  overflow: hidden;
}

.kaufen-product__figure--kunst .kaufen-product__slider-stage {
  box-sizing: border-box;
  background: #0a0a0a;
}

.kaufen-product__figure--kunst .kaufen-tile__slider {
  inset: clamp(14px, 4.5vw, 32px);
}

.kaufen-product__figure--kunst {
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.kaufen-product__figure--kunst .kaufen-product__slider-wrap {
  width: 100%;
  min-width: 0;
}

.kaufen-product__figure--slider .kaufen-tile__slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.kaufen-product__figure--slider .kaufen-tile__slide,
.kaufen-product__figure--slider .kaufen-tile__slide a {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

.kaufen-product__figure--slider .kaufen-tile__slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
}

.kaufen-product__figure--kunst .kaufen-tile__slide,
.kaufen-product__figure--kunst .kaufen-tile__slide a {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  background: transparent;
}

.kaufen-product__figure--kunst .kaufen-tile__slide img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}

.kaufen-product__figure--slider .kaufen-tile__nav {
  top: 50%;
  transform: translateY(-50%);
}

.kaufen-product__figure--slider .kaufen-tile__dots {
  position: static;
  left: auto;
  right: auto;
  bottom: auto;
  transform: none;
  justify-content: center;
  width: 100%;
  margin: 0;
}

.kaufen-kunst-chapters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  max-height: min(42vh, 320px);
  overflow-y: auto;
  padding-right: 4px;
}

.kaufen-kunst-section-label {
  margin: 0;
  color: var(--kaufen-muted);
  font-size: 0.72rem;
  line-height: 1.45;
  letter-spacing: 0.01em;
  text-transform: lowercase;
  text-align: center;
}

@media (min-width: 901px) {
  .kaufen-product__figure--kunst .kaufen-product__slider-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(10px, 2vw, 16px);
    align-items: center;
  }

  .kaufen-product__figure--kunst .kaufen-product__slider-stage {
    grid-column: 1;
    grid-row: 1;
  }

  .kaufen-product__figure--kunst .kaufen-tile__dots {
    grid-column: 1;
    grid-row: 2;
  }

  .kaufen-product__figure--kunst .kaufen-kunst-section-label {
    grid-column: 2;
    grid-row: 1 / span 2;
    max-width: 7.5rem;
    text-align: left;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
  }
}

@media (max-width: 900px) {
  .kaufen-product__figure--kunst .kaufen-kunst-section-label {
    font-size: 0.78rem;
    padding: 0 2px;
  }

  .kaufen-kunst-chapters {
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .kaufen-kunst-actions .kaufen-order-btn {
    max-width: none;
  }
}

.kaufen-kunst-btn {
  width: 100%;
  text-align: left;
  text-transform: lowercase;
}

.kaufen-kunst-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#kaufen-kunst-price {
  margin-top: 4px;
}

.kaufen-kunst-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.kaufen-kunst-actions .kaufen-order-btn {
  margin-top: 0;
}

.kaufen-order-btn--secondary {
  background: transparent;
  color: var(--kaufen-fg);
  border: 1px solid var(--kaufen-line);
}

.kaufen-order-btn--secondary:hover,
.kaufen-order-btn--secondary:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}

.kaufen-kunst-intro {
  margin-top: 12px;
  padding-top: 0;
  border-top: 0;
}

.kaufen-kunst-intro__title {
  margin: 0 0 14px;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: inherit;
  line-height: 1.55;
  color: var(--kaufen-fg);
}

.kaufen-kunst-intro__body {
  max-width: none;
  font-size: 0.74rem;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: inherit;
  color: var(--kaufen-muted);
}

.kaufen-kunst-intro__body p {
  margin: 0 0 14px;
}

.kaufen-kunst-intro__body p:last-child {
  margin-bottom: 0;
}

.kaufen-kunst-intro__sig {
  margin-top: 14px !important;
  color: var(--kaufen-muted);
  font-weight: 400;
  letter-spacing: inherit;
}

.kaufen-size-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kaufen-size-btn,
.kaufen-variant-btn,
.kaufen-kunst-btn {
  min-width: 44px;
  padding: 10px 14px;
  border: 1px solid var(--kaufen-line);
  border-radius: 4px;
  background: transparent;
  color: var(--kaufen-fg);
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
}

.kaufen-size-btn.is-active,
.kaufen-variant-btn.is-active,
.kaufen-kunst-btn.is-active {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.kaufen-order-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 320px;
  min-height: 48px;
  margin-top: 8px;
  padding: 12px 18px;
  border: 0;
  border-radius: 4px;
  background: #fff;
  color: #000;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
  text-decoration: none;
}

.kaufen-order-btn:hover,
.kaufen-order-btn:focus-visible {
  background: #e8e8e8;
  outline: none;
}

.kaufen-details {
  margin-top: 12px;
  border-top: 1px solid var(--kaufen-line);
}

.kaufen-details__item {
  border-bottom: 1px solid var(--kaufen-line);
}

.kaufen-details__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  font-size: 0.78rem;
  list-style: none;
}

.kaufen-details__summary::-webkit-details-marker {
  display: none;
}

.kaufen-details__body {
  margin: 0 0 14px;
  padding: 0;
  color: var(--kaufen-muted);
  font-size: 0.74rem;
  line-height: 1.55;
}

.kaufen-details__body ul {
  margin: 0;
  padding-left: 1.1rem;
}

.kaufen-book-toc__block {
  border-top: 1px solid var(--kaufen-line);
}

.kaufen-book-toc__block:first-child {
  border-top: 0;
}

.kaufen-book-toc__block > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 600;
  list-style: none;
}

.kaufen-book-toc__block > summary::after {
  flex-shrink: 0;
  color: var(--kaufen-muted);
  font-size: 0.85rem;
  line-height: 1;
  content: "⌄";
}

.kaufen-book-toc__block[open] > summary::after {
  content: "⌃";
}

.kaufen-book-toc__block > summary::-webkit-details-marker {
  display: none;
}

.kaufen-book-toc__content {
  margin: 0 0 12px;
  padding-left: 0.4rem;
}

.kaufen-book-toc__content ol {
  margin: 0 0 10px;
  padding-left: 1.2rem;
}

.kaufen-book-toc__content p {
  margin: 0 0 8px;
}

.kaufen-book-toc__goal {
  margin-bottom: 8px;
  color: var(--kaufen-muted);
}

.kaufen-book-toc__content .de-t,
.kaufen-book-toc__content .en-t {
  display: block;
}

.kaufen-book-toc__intro {
  margin: 0 0 16px;
  line-height: 1.6;
}

.kaufen-back {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--kaufen-muted);
  font-size: 0.78rem;
  text-decoration: none;
}

.kaufen-back:hover,
.kaufen-back:focus-visible {
  color: var(--kaufen-fg);
}

.kaufen-page .footer {
  background: #000;
  border-top: 1px solid var(--kaufen-line);
}

.kaufen-page .footer__logo,
.kaufen-page .footer__links a,
.kaufen-page .footer__copy {
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 860px) {
  .kaufen-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px var(--kaufen-header-pad);
  }

  .kaufen-header__links {
    order: 1;
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 8px 18px;
    overflow: visible;
  }

  .kaufen-lang {
    order: 2;
    align-self: flex-start;
  }

  .kaufen-header__logo {
    font-size: clamp(0.54rem, 2.2vw, 0.68rem);
    letter-spacing: 0.04em;
  }

  .kaufen-header__logo--fc,
  .kaufen-header__logo--gogogo {
    font-size: clamp(0.72rem, 3.15vw, 0.94rem);
  }

  .kaufen-header__logo--biig {
    font-size: clamp(0.62rem, 2.45vw, 0.82rem);
    letter-spacing: 0.18em;
  }

  .kaufen-header__logo--bat {
    font-size: clamp(0.44rem, 1.72vw, 0.58rem);
    letter-spacing: 0.055em;
    flex: 1 1 0;
  }

  .kaufen-header__logo--wolfgang {
    font-size: clamp(0.41rem, 1.56vw, 0.51rem);
    letter-spacing: 0.04em;
    flex: 1 1 0;
    text-align: right;
  }
}

@media (max-width: 900px) {
  .kaufen-layout {
    grid-template-columns: 1fr;
  }

  .kaufen-sidebar {
    position: static;
  }

  .kaufen-sidebar__nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .kaufen-grid {
    grid-template-columns: 1fr;
  }

  .kaufen-product {
    grid-template-columns: 1fr;
  }

  .kaufen-product__slider-stage {
    touch-action: pan-y pinch-zoom;
  }

  .kaufen-product__slider-stage.is-product-swipe-dragging {
    cursor: grabbing;
  }

  .kaufen-product__slider-stage .kaufen-tile__slider {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    will-change: transform;
  }

  .kaufen-product__slider-stage .kaufen-tile__slide {
    position: relative;
    inset: auto;
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    opacity: 1;
    transition: none;
  }

  .kaufen-product__figure--slider .kaufen-tile__slide img {
    -webkit-user-drag: none;
    user-select: none;
  }

  .kaufen-product__figure--kunst .kaufen-tile__slider {
    inset: clamp(14px, 4.5vw, 32px);
  }

  .kaufen-product__figure--kunst .kaufen-tile__slide,
  .kaufen-product__figure--kunst .kaufen-tile__slide a {
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    min-width: 0;
  }

  .kaufen-product__figure--kunst .kaufen-tile__slide img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
  }
}