:root {
  --kc-bg: #171414;
  --kc-bg-deep: #0f0d0d;
  --kc-panel: #211d1d;
  --kc-panel-soft: #292424;
  --kc-ink: #f1eeee;
  --kc-muted: rgba(241, 238, 238, 0.68);
  --kc-soft: rgba(241, 238, 238, 0.42);
  --kc-line: rgba(241, 238, 238, 0.13);
  --kc-line-strong: rgba(241, 238, 238, 0.24);

  --kc-yellow: #eef229;
  --kc-accent: var(--kc-yellow);

  --kc-radius: 18px;
  --kc-wrap: 1180px;

  --kc-serif: Georgia, "Times New Roman", Times, serif;
  --kc-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--kc-accent) 13%, transparent), transparent 34%),
    linear-gradient(180deg, var(--kc-bg) 0%, var(--kc-bg-deep) 100%);
  color: var(--kc-ink);
  font-family: var(--kc-sans);
  line-height: 1.65;
}

body:has(.kc-navToggle:checked) {
  overflow: hidden;
}

a {
  color: var(--kc-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

p {
  margin: 0 0 16px;
}

h1,
h2,
h3 {
  margin: 0 0 16px;
  line-height: 1.08;
  color: var(--kc-ink);
  font-weight: 300;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(44px, 7vw, 96px);
}

h2 {
  font-size: clamp(30px, 4vw, 56px);
}

h3 {
  font-size: 24px;
}

.kc-wrap {
  max-width: var(--kc-wrap);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.kc-kicker {
  margin: 0 0 14px;
  color: var(--kc-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.kc-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 13, 13, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--kc-line);
}

.kc-header__inner {
  max-width: var(--kc-wrap);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  position: relative;
}

.kc-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--kc-ink);
  position: relative;
  z-index: 70;
}

.kc-brand:hover {
  text-decoration: none;
}

.kc-brand__mark {
  width: 48px;
  height: 48px;
  border: 1px solid var(--kc-accent);
  display: grid;
  place-items: center;
  color: var(--kc-accent);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.kc-brand__text strong,
.kc-brand__text small {
  display: block;
}

.kc-brand__text strong {
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.kc-brand__text small {
  color: var(--kc-muted);
  font-size: 13px;
}

.kc-navToggle {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

.kc-navButton {
  display: none;
  margin-left: auto;
  width: 48px;
  height: 48px;
  border: 1px solid var(--kc-line-strong);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  color: var(--kc-ink);
  cursor: pointer;
  position: relative;
  z-index: 70;
  background: rgba(255,255,255,.035);
}

.kc-navButton span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--kc-ink);
  transition: transform .2s ease, opacity .2s ease;
}

.kc-navButton strong {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

.kc-nav {
  margin-left: auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 14px;
}

.kc-nav a {
  color: var(--kc-muted);
  padding: 8px 10px;
  border-radius: 0;
}

.kc-nav a:hover,
.kc-nav a[aria-current="page"] {
  color: var(--kc-ink);
  background: rgba(255,255,255,.05);
  text-decoration: none;
}

.kc-hero {
  padding: 92px 0 76px;
  border-bottom: 1px solid var(--kc-line);
}

.kc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 54px;
  align-items: center;
}

.kc-hero__lead {
  font-size: clamp(20px, 2vw, 25px);
  line-height: 1.55;
  color: var(--kc-ink);
  max-width: 62ch;
}

.kc-hero__text {
  color: var(--kc-muted);
  font-size: 17px;
  max-width: 62ch;
}

.kc-actions,
.kc-cardActions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.kc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--kc-line-strong);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
}

.kc-btn:hover {
  text-decoration: none;
}

.kc-btn--primary {
  color: #111;
  background: var(--kc-accent);
  border-color: var(--kc-accent);
}

.kc-btn--ghost {
  color: var(--kc-ink);
  background: transparent;
}

.kc-btn--ghost:hover {
  border-color: var(--kc-accent);
  color: var(--kc-accent);
}

.kc-hero__panel {
  min-height: 520px;
  padding: 34px;
  background: var(--kc-panel);
  border: 1px solid var(--kc-line);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.kc-hero__panel::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(255,255,255,.08);
}

.kc-compass {
  position: relative;
  z-index: 2;
  width: min(330px, 100%);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}

.kc-compass::before {
  content: "A";
  font-family: var(--kc-serif);
  font-size: clamp(190px, 22vw, 310px);
  line-height: 0.8;
  color: var(--kc-accent);
}

.kc-compass span {
  position: absolute;
  color: var(--kc-ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.kc-compass span:nth-child(1) { top: 0; }
.kc-compass span:nth-child(2) { right: 0; }
.kc-compass span:nth-child(3) { bottom: 0; }
.kc-compass span:nth-child(4) { left: 0; }

.kc-section {
  padding: 78px 0;
}

.kc-section--soft {
  background: rgba(255,255,255,.025);
  border-top: 1px solid var(--kc-line);
  border-bottom: 1px solid var(--kc-line);
}

.kc-intro {
  max-width: 920px;
  text-align: center;
}

.kc-intro p,
.kc-content p,
.kc-blurb {
  color: var(--kc-muted);
  font-size: 19px;
}

.kc-blurb p:last-child {
  margin-bottom: 0;
}

.kc-sectionHead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.kc-textlink {
  font-weight: 800;
  color: var(--kc-accent);
  border-bottom: 1px solid currentColor;
}

.kc-textlink:hover {
  text-decoration: none;
  color: var(--kc-ink);
}

.kc-bookGrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.kc-bookCard,
.kc-bookListCard,
.kc-detailBox,
.kc-topicGrid article {
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.018));
  border: 1px solid var(--kc-line);
}

.kc-bookCard {
  min-height: 300px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.kc-bookCard--empty {
  padding: 30px;
}

.kc-bookCard__cover {
  display: block;
  padding: 26px 26px 0;
  text-align: center;
}

.kc-bookCard__cover:hover {
  text-decoration: none;
}

.kc-bookCard__cover img {
  width: min(210px, 100%);
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: 1px solid var(--kc-line);
  box-shadow: 0 18px 42px rgba(0,0,0,.28);
}

.kc-bookCard__body {
  padding: 26px 30px 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.kc-bookCard h3 a,
.kc-bookListCard h2 a {
  color: var(--kc-ink);
}

.kc-bookCard h3 a:hover,
.kc-bookListCard h2 a:hover {
  color: var(--kc-accent);
  text-decoration: none;
}

.kc-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 4px 10px;
  border: 1px solid color-mix(in srgb, var(--kc-accent) 38%, transparent);
  color: var(--kc-accent);
  background: color-mix(in srgb, var(--kc-accent) 8%, transparent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.kc-badge.status-published {
  border-color: rgba(238, 242, 41, 0.38);
  color: var(--kc-yellow);
  background: rgba(238, 242, 41, 0.08);
}

.kc-bookCard__meta {
  color: var(--kc-soft);
  font-size: 14px;
  margin-bottom: 8px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.kc-bookCard__subtitle,
.kc-bookListCard__subtitle,
.kc-detailHero__subtitle {
  color: var(--kc-ink);
  font-size: 18px;
  line-height: 1.45;
  margin-bottom: 14px;
}

.kc-bookCard p,
.kc-bookListCard p,
.kc-topicGrid p {
  color: var(--kc-muted);
}

.kc-pageHero {
  padding: 78px 0;
  background: rgba(255,255,255,.018);
  border-bottom: 1px solid var(--kc-line);
}

.kc-pageHero p {
  max-width: 760px;
  color: var(--kc-muted);
  font-size: 19px;
}

.kc-bookList {
  display: grid;
  gap: 18px;
}

.kc-bookListCard {
  display: grid;
  grid-template-columns: 86px 170px minmax(0, 1fr);
  gap: 24px;
  padding: 26px;
  align-items: start;
}

.kc-bookListCard__number {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  border: 1px solid var(--kc-line);
  color: var(--kc-accent);
  font-family: var(--kc-serif);
  font-size: 25px;
  font-weight: 400;
}

.kc-bookListCard__cover {
  display: block;
}

.kc-bookListCard__cover img {
  width: 160px;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: 1px solid var(--kc-line);
  box-shadow: 0 18px 42px rgba(0,0,0,.24);
}

.kc-bookListCard h2 {
  font-size: clamp(28px, 3vw, 44px);
}

.kc-bookListCard__metaLine {
  color: var(--kc-soft) !important;
  font-size: 14px;
}

.kc-detailHero {
  padding: 78px 0;
  border-bottom: 1px solid var(--kc-line);
  position: relative;
  overflow: hidden;
}

.kc-detailHero--withImage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(15,13,13,.94) 0%, rgba(15,13,13,.82) 45%, rgba(15,13,13,.96) 100%),
    var(--kc-detail-hero-image) center / cover no-repeat;
  opacity: .82;
}

.kc-detailHero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 370px;
  gap: 42px;
  align-items: start;
  position: relative;
  z-index: 2;
}

.kc-detailHero__lead {
  color: var(--kc-muted);
  font-size: 20px;
  max-width: 70ch;
}

.kc-detailHero__subtitle {
  max-width: 70ch;
  font-size: 22px;
}

.kc-detailHero__blurb {
  margin-top: 34px;
  max-width: 74ch;
  padding-top: 26px;
  border-top: 1px solid var(--kc-line);
}

.kc-detailHero__blurb .kc-kicker {
  margin-bottom: 18px;
}

.kc-detailBox {
  padding: 28px;
}

.kc-detailBox__cover {
  margin-bottom: 28px;
  text-align: center;
}

.kc-detailBox__cover img {
  width: min(260px, 100%);
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: 1px solid var(--kc-line);
  box-shadow: 0 22px 56px rgba(0,0,0,.34);
}

.kc-detailBox h2 {
  font-size: 26px;
}

.kc-detailBox dl {
  margin: 0;
}

.kc-detailBox div:not(.kc-detailBox__cover) {
  padding: 15px 0;
  border-top: 1px solid var(--kc-line);
}

.kc-detailBox dt {
  color: var(--kc-soft);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .14em;
  margin-bottom: 4px;
}

.kc-detailBox dd {
  margin: 0;
  color: var(--kc-ink);
}

.kc-content {
  max-width: 860px;
}

.kc-topicGrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.kc-topicGrid article {
  padding: 28px;
}

.kc-topicGrid h3 {
  color: var(--kc-accent);
}

.kc-footer {
  padding: 34px 0;
  border-top: 1px solid var(--kc-line);
  background: var(--kc-bg-deep);
}

.kc-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--kc-muted);
  font-size: 14px;
}

.kc-footer__nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.kc-footer__nav a {
  color: var(--kc-muted);
}

.kc-footer__nav a:hover {
  color: var(--kc-ink);
}

#prinzip {
  position: relative;
}

@media (max-width: 940px) {
  .kc-header__inner {
    min-height: 74px;
  }

  .kc-navButton {
    display: inline-flex;
  }

  .kc-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    width: min(86vw, 360px);
    margin-left: 0;
    padding: 104px 22px 34px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    background:
      radial-gradient(circle at top right, color-mix(in srgb, var(--kc-accent) 16%, transparent), transparent 36%),
      rgba(15, 13, 13, 0.985);
    border-left: 1px solid var(--kc-line);
    box-shadow: -28px 0 70px rgba(0,0,0,.45);
    transform: translateX(104%);
    transition: transform .22s ease;
  }

  .kc-nav a {
    display: block;
    padding: 16px 18px;
    border: 1px solid var(--kc-line);
    color: var(--kc-ink);
    font-size: 18px;
    background: rgba(255,255,255,.035);
  }

  .kc-navToggle:checked ~ .kc-nav {
    transform: translateX(0);
  }

  .kc-navToggle:checked ~ .kc-navButton span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .kc-navToggle:checked ~ .kc-navButton span:nth-child(2) {
    opacity: 0;
  }

  .kc-navToggle:checked ~ .kc-navButton span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .kc-hero__grid,
  .kc-detailHero__grid {
    grid-template-columns: 1fr;
  }

  .kc-hero__panel {
    min-height: 380px;
  }

  .kc-bookGrid,
  .kc-topicGrid {
    grid-template-columns: 1fr;
  }

  .kc-bookListCard {
    grid-template-columns: 66px minmax(120px, 170px) minmax(0, 1fr);
  }

  .kc-sectionHead {
    display: block;
  }
}

@media (max-width: 720px) {
  .kc-bookListCard {
    grid-template-columns: 1fr;
  }

  .kc-bookListCard__cover img {
    width: min(210px, 100%);
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: 42px;
  }

  .kc-header__inner {
    padding: 14px 18px;
  }

  .kc-wrap {
    padding-left: 18px;
    padding-right: 18px;
  }

  .kc-hero,
  .kc-section,
  .kc-pageHero,
  .kc-detailHero {
    padding: 54px 0;
  }

  .kc-bookListCard__number {
    width: 56px;
    height: 56px;
  }

  .kc-brand__text small {
    display: none;
  }

  .kc-brand__text strong {
    font-size: 18px;
    letter-spacing: .12em;
  }

  .kc-brand__mark,
  .kc-navButton {
    width: 44px;
    height: 44px;
  }

  .kc-hero__panel {
    min-height: 320px;
  }

  .kc-bookCard__cover {
    padding: 22px 22px 0;
  }

  .kc-bookCard__body,
  .kc-bookListCard,
  .kc-detailBox,
  .kc-topicGrid article {
    padding: 22px;
  }

  .kc-actions,
  .kc-cardActions {
    flex-direction: column;
  }

  .kc-btn {
    width: 100%;
  }
}

.kc-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.kc-pagination__link,
.kc-pagination__status {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--kc-line-strong);
  color: var(--kc-ink);
  background: rgba(255,255,255,.025);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.kc-pagination__link:hover {
  color: #111;
  background: var(--kc-accent);
  border-color: var(--kc-accent);
  text-decoration: none;
}

.kc-pagination__link--disabled {
  opacity: .38;
  pointer-events: none;
}

.kc-orderQr {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--kc-line);
  text-align: center;
}

.kc-orderQr__link {
  display: inline-flex;
  margin: 0 auto;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--kc-line-strong);
}

.kc-orderQr__link:hover {
  text-decoration: none;
  border-color: var(--kc-accent);
}

.kc-orderQr__svg {
  display: block;
  width: 152px;
  height: 152px;
}

.kc-orderQr__title {
  margin: 14px 0 6px;
  color: var(--kc-ink);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.kc-orderQr__hint {
  margin: 0;
  color: var(--kc-muted);
  font-size: 13px;
  line-height: 1.5;
}

.kc-legalPage {
  max-width: 880px;
}

.kc-legalPage h2 {
  margin-top: 34px;
  font-size: clamp(24px, 3vw, 36px);
}

.kc-legalPage ul {
  color: var(--kc-muted);
}

.kc-legalPage li + li {
  margin-top: 6px;
}

.kc-legalBox {
  padding: 26px;
  border: 1px solid var(--kc-line);
  background: rgba(255,255,255,.025);
}

@media (max-width: 640px) {
  .kc-pagination {
    align-items: stretch;
    flex-direction: column;
  }

  .kc-pagination__link,
  .kc-pagination__status {
    width: 100%;
  }

  .kc-orderQr__svg {
    width: 132px;
    height: 132px;
  }
}

.kc-blurb strong {
  color: var(--kc-ink);
  font-weight: 800;
}

.kc-blurb em {
  color: var(--kc-ink);
}

.kc-blurb ul,
.kc-blurb ol {
  margin: 0 0 22px 24px;
  padding: 0;
}

.kc-blurb li + li {
  margin-top: 5px;
}

.kc-blurb a {
  color: var(--kc-accent);
  border-bottom: 1px solid currentColor;
}

.kc-blurb a:hover {
  color: var(--kc-ink);
  text-decoration: none;
}

.kc-text-underline {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.kc-detailBox dd a {
  color: var(--kc-accent);
  border-bottom: 1px solid currentColor;
}

.kc-detailBox dd a:hover {
  color: var(--kc-ink);
  text-decoration: none;
}

.kc-authorHero {
  max-width: 880px;
}

.kc-topicCard {
  display: block;
  padding: 28px;
  min-height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.018));
  border: 1px solid var(--kc-line);
  color: var(--kc-muted);
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.kc-topicCard:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--kc-accent) 52%, var(--kc-line));
  background: linear-gradient(180deg, color-mix(in srgb, var(--kc-accent) 8%, rgba(255,255,255,.045)), rgba(255,255,255,.018));
  text-decoration: none;
}

.kc-topicCard h3 {
  color: var(--kc-accent);
}

.kc-topicCard p {
  color: var(--kc-muted);
}

.kc-topicCard span {
  display: inline-flex;
  margin-top: 10px;
  color: var(--kc-accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor;
}

.kc-topicCard--active {
  border-color: color-mix(in srgb, var(--kc-accent) 58%, var(--kc-line));
  background: linear-gradient(180deg, color-mix(in srgb, var(--kc-accent) 10%, rgba(255,255,255,.045)), rgba(255,255,255,.018));
}

.kc-topicContent {
  max-width: 920px;
}

.kc-topicContent h2 {
  margin-bottom: 28px;
}

.kc-authorPageHero {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--kc-accent) 9%, transparent), transparent 32%),
    rgba(255,255,255,.018);
}

.kc-authorHero {
  max-width: var(--kc-wrap);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 44px;
  align-items: center;
}

.kc-authorHero__copy {
  max-width: 820px;
}

.kc-authorHero__role {
  margin: -4px 0 24px;
  color: var(--kc-accent);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.kc-authorHero__bio {
  color: var(--kc-muted);
  font-size: 18px;
  max-width: 68ch;
}

.kc-authorHero__image {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--kc-line);
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.018));
}

.kc-authorHero__image img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--kc-line);
}

@media (max-width: 940px) {
  .kc-authorHero {
    grid-template-columns: 1fr;
  }

  .kc-authorHero__image {
    max-width: 280px;
  }
}