:root {
  color-scheme: light;
  --paper: #fff;
  --ink: #111c32;
  --muted: #435169;
  --night: #0a172a;
  --lime: #deff54;
  --blue: #164ac7;
  --rule: #c9d3df;
  --display: "Segoe UI", Arial, sans-serif;
  --body: "Segoe UI", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 1rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 1rem/1.6 var(--body); }
h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
h1, h2, h3 { font-family: var(--display); line-height: 1.05; letter-spacing: -.052em; font-weight: 800; text-wrap: balance; }
h2 { font-size: clamp(2.15rem, 4.1vw, 4.15rem); }
a { color: inherit; text-underline-offset: .22em; }
a, summary { touch-action: manipulation; }
img, svg { display: block; max-width: 100%; }
.wrap { width: min(1256px, calc(100% - clamp(36px, 8vw, 112px))); margin-inline: auto; }
.section { padding-block: clamp(3.2rem, 5.4vw, 5.5rem); }
.cover { width: 100%; height: auto; aspect-ratio: 2/3; object-fit: contain; }
:focus-visible { outline: 3px solid #0951d5; outline-offset: 4px; }
.skip { position: fixed; z-index: 10; top: -6rem; left: .8rem; padding: .65rem 1rem; background: var(--lime); color: var(--night); font-weight: 700; }
.skip:focus { top: .65rem; }
#inhalt:focus { outline: none; }
.site-header, .site-footer { color: #fff; background: var(--night); }
.site-header { border-bottom: 1px solid #31405a; }
.masthead, .footer-row { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.masthead { min-height: 72px; }
.brand { --logo-detail: var(--night); display: inline-flex; gap: .55rem; align-items: center; color: #fff; text-decoration: none; white-space: nowrap; font: italic 900 clamp(1.38rem, 2vw, 1.85rem)/1 var(--display); text-transform: uppercase; letter-spacing: -.075em; }
.brand-symbol { width: 35px; height: 35px; color: var(--lime); }
.brand b { color: var(--lime); font-weight: inherit; }
.masthead nav, .footer-row nav { display: flex; align-items: center; gap: clamp(.95rem, 2.9vw, 2.7rem); }
.masthead nav a, .footer-row nav a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-weight: 650; font-size: .94rem; }
.masthead nav a:hover, .footer-row nav a:hover { color: var(--lime); }
.site-header :focus-visible, .site-footer :focus-visible, .hero :focus-visible, .detail-head :focus-visible { outline-color: var(--lime); }
.eyebrow, .kicker, .series-line, .mat-label { font: 750 .75rem/1.45 var(--body); text-transform: uppercase; letter-spacing: .115em; }
.eyebrow { color: var(--blue); display: flex; gap: .65rem; align-items: center; }
.rule { display: inline-block; flex: none; width: 1.65rem; height: 3px; background: currentColor; transform: skewX(-22deg); }
.eyebrow + h2 { margin-top: .6rem; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: .95rem; min-height: 49px; padding: .86rem 1.25rem; border: 0; border-radius: 2px; background: var(--lime); color: #122009; font-weight: 780; line-height: 1.22; text-decoration: none; }
.button:hover { background: #f0ff9c; }
.button span, .text-link span { font: 1.2em/1 var(--body); }
.text-link, .hero-link, .sub-buy { display: inline-flex; min-height: 44px; align-items: center; gap: .45rem; font-weight: 720; text-decoration-thickness: 1.5px; }
.text-link { color: var(--blue); }
.text-link:hover, .shop-mini:hover { text-decoration-thickness: 2px; }
.shop-mini { display: inline-flex; align-items: center; gap: .32rem; min-height: 40px; color: var(--muted); font-size: .87rem; text-underline-offset: .2em; }
.hero { position: relative; color: #fff; background: #0a1a2e url("karte.svg") center center / cover no-repeat; isolation: isolate; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.04fr) minmax(0,.96fr); gap: clamp(1.25rem, 4vw, 4.6rem); align-items: center; min-height: min(660px, 42.5vw); padding-block: clamp(2.65rem, 4.35vw, 4.7rem); }
.hero-copy { position: relative; }
.series-line { display: flex; align-items: center; gap: .65rem; color: #e4f0ff; letter-spacing: .095em; font-size: .72rem; }
.series-stamp { display: inline-block; background: var(--lime); color: #17210b; padding: .24rem .62rem .29rem; transform: rotate(-2deg); font-weight: 850; }
.hero-overline { margin-top: clamp(1.3rem, 2.5vw, 2.45rem); color: #c3e7fe; font-size: .68rem; }
.hero h1 { font-weight: 860; font-size: clamp(4.75rem, 7.45vw, 7.35rem); letter-spacing: -.075em; line-height: .92; margin: .6rem 0 1.15rem; }
.hero-time { white-space: nowrap; }
.series-hero .hero-grid { grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); min-height: 0; padding-block: clamp(2.5rem,4vw,4.5rem); }
.series-hero h1 { font-size: clamp(2.65rem,4.65vw,4.8rem); line-height: 1.06; letter-spacing: -.055em; }
.hero-support { margin-top: .85rem; max-width: 48ch; color: #c3d7ed; font-size: .96rem; line-height: 1.5; }
.series-covers { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.2rem 1.5rem; max-width: 370px; margin-left: auto; width: 100%; }
.series-book { display: grid; gap: .5rem; align-content: start; text-align: center; font-size: .79rem; font-weight: 700; color: #eaf2ff; text-decoration: none; }
.series-book img { box-shadow: 3px 6px 15px #020b1d99; }
.series-book:hover span { color: var(--lime); text-decoration: underline; }
.entry-feature { margin: 0 0 .65rem; font-size: .79rem; line-height: 1.45; font-weight: 700; color: var(--edge); }
.hero-time small { font-size: inherit; }
.hero h1 em { color: var(--lime); font-weight: 860; }
.lead { max-width: 48ch; color: var(--muted); font-size: clamp(1.05rem, 1.35vw, 1.25rem); line-height: 1.53; }
.hero .lead { max-width: 46ch; color: #ecf5ff; }
.hero-actions, .buy-group { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem 1.4rem; margin-top: 1.5rem; }
.hero-link { color: #fff; text-decoration-color: #9dc4e1; }
.hero-link:hover { color: var(--lime); }
.hero-stage { position: relative; display: grid; place-items: center; min-height: clamp(350px, 30vw, 474px); }
.hero-main-book { width: clamp(180px, 17.4vw, 257px); margin: -.7rem 5.25rem 0 0; position: relative; }
.hero-main-book > a { display: block; transform: rotate(5deg); box-shadow: 2px 2px 0 #dae3e9, 4px 3px 0 #9daebd, 6px 5px 0 #ced6df, 8px 6px 0 #1b2b42, 9px 17px 20px #0311268a; }
.stage-note { width: fit-content; margin: 1.15rem auto 0; padding: .15rem .6rem; background: #0a1a2e; color: var(--lime); font: italic 720 .91rem/1.35 var(--body); transform: rotate(-3deg); }
.more-books { position: absolute; right: 0; bottom: -.7rem; display: flex; align-items: start; flex-direction: column; gap: .4rem; padding: .6rem .68rem; background: #0b1b30; border-left: 2px solid #95bbd9; color: #fff; font-size: .73rem; font-weight: 650; text-decoration: none; }
.more-books:hover { border-color: var(--lime); }
.mini-covers { display: flex; gap: 4px; }
.mini-covers img { width: 30px; height: 45px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(1.5rem, 2.6vw, 2.6rem); }
.section-heading > p { color: var(--muted); max-width: 37ch; line-height: 1.5; }
.accent-dot, .blue-sign { color: var(--blue); }
.tide { --mat:#88dbc4; --edge:#075447; }
.amber { --mat:#ffc064; --edge:#714000; }
.fjord { --mat:#82c7fc; --edge:#134b85; }
.clay { --mat:#c5abff; --edge:#523587; }
.entries { display: grid; list-style: none; padding: 0; grid-template-columns: repeat(2, minmax(0,1fr)); gap: clamp(1.25rem, 2.8vw, 2.8rem); }
.entry { display: grid; grid-template-columns: minmax(0,.63fr) minmax(0,1fr); gap: clamp(1rem, 1.65vw, 1.6rem); align-items: stretch; border-top: 2px solid var(--ink); padding-top: .8rem; }
.cover-mat { position: relative; isolation: isolate; overflow: hidden; background: var(--mat); display: grid; align-content: center; justify-items: center; padding: 1.8rem 0; min-height: 235px; }
.cover-mat::before, .cover-mat::after { position: absolute; content: ""; z-index: -1; }
.cover-mat::before { top: -5rem; right: -7rem; width: 17rem; height: 17rem; border-radius: 50%; border: 1px solid var(--edge); box-shadow: 0 0 0 1.2rem var(--mat), 0 0 0 calc(1.2rem + 1px) var(--edge), 0 0 0 2.4rem var(--mat), 0 0 0 calc(2.4rem + 1px) var(--edge); opacity: .23; }
.cover-mat::after { left: 0; bottom: 0; width: 45%; height: 17%; background: radial-gradient(var(--edge) .8px, transparent 1.1px) 0 0 / 5px 5px; opacity: .33; clip-path: polygon(0 10%,100% 100%,0 100%); }
.plate-number { position: absolute; left: .55rem; top: .25rem; font: 800 .82rem/1.4 var(--display); letter-spacing: -.04em; color: var(--edge); }
.cover-link { display: block; width: 68%; max-width: 154px; transform: rotate(-3deg); box-shadow: 2px 3px 0 #1b324c55, 3px 7px 12px #172c4836; }
.entry:nth-child(even) .cover-link { transform: rotate(3deg); }
.entry-text { display: flex; flex-direction: column; align-items: start; min-width: 0; padding-top: .45rem; }
.kicker { color: var(--edge,var(--blue)); font-size: .69rem; letter-spacing: .075em; }
.entry h3 { margin: .48rem 0 .27rem; font-size: clamp(1.5rem, 2.08vw, 2.15rem); text-wrap: initial; }
.entry h3 a { text-decoration: none; }
.entry h3 a:hover { text-decoration: underline; }
.entry-sub { color: #33445f; font-size: .95rem; font-weight: 620; line-height: 1.35; }
.entry-hook { color: var(--muted); line-height: 1.48; margin: .65rem 0 .8rem; }
.entry-links { display: flex; align-items: center; gap: 0 .95rem; flex-wrap: wrap; margin-top: auto; }
.entry-links .text-link { color: var(--ink); text-decoration-color: var(--edge); }
.family { background: #edf4ff; border-block: 1px solid #d4e0f2; }
.family-grid, .author-grid { display: grid; grid-template-columns: minmax(0,.95fr) minmax(0,1fr); align-items: start; gap: clamp(2rem, 7vw, 7.3rem); }
.family h2 { max-width: 14ch; }
.family-grid > div > p:not(.eyebrow) { max-width: 53ch; margin-top: 1rem; color: #354661; }
.family-picks { list-style: none; padding: 0; border-top: 2px solid var(--ink); }
.family-picks li { border-bottom: 1px solid #b8c9e2; }
.family-picks a { display: grid; align-items: start; grid-template-columns: 5px 1fr auto; gap: 1rem; text-decoration: none; padding: .95rem .3rem .95rem 0; }
.family-picks a:hover strong { text-decoration: underline; }
.pick-marker { height: 100%; background: var(--edge); }
.pick-copy { display: grid; gap: .13rem; }
.pick-taste { color: #344867; font-size: .88rem; font-weight: 650; }
.pick-copy strong { font-size: 1.27rem; line-height: 1.2; letter-spacing: -.025em; }
.pick-reason { line-height: 1.4; font-size: .94rem; color: var(--muted); }
.family-picks a > span:last-child { color: var(--blue); font-size: 1.3rem; }
.author { padding-block: clamp(2.5rem, 4.8vw, 4.7rem); }
.author h2 { font-size: clamp(2.1rem, 3.4vw, 3.5rem); }
.author-grid > div > p:not(.eyebrow) { color: var(--muted); margin-bottom: .4rem; }
.footer-row { justify-content: start; flex-wrap: wrap; min-height: 84px; padding-block: .8rem; }
.footer-row .brand { font-size: 1.26rem; }
.footer-row .brand-symbol { width: 28px; height: 28px; }
.byline { color: #cbd9ed; font-size: .91rem; }
.footer-row nav { margin-left: auto; }
.legal, .error-page { max-width: 760px; padding-block: 3.4rem 5rem; }
.legal h1, .error-page h1 { font-size: clamp(2.3rem, 5.2vw, 4.75rem); margin: .55rem 0 2rem; }
.legal h2 { font-size: 1.48rem; line-height: 1.2; margin: 1.65rem 0 .55rem; letter-spacing: -.025em; }
.legal p + p { margin-top: .7rem; }
.legal a { color: var(--blue); overflow-wrap: anywhere; }
.legal ul { padding-left: 1.4rem; }
.legal-contact figure { margin: .75rem 0; }
.legal-contact img { padding: .15rem .35rem; width: min(100%,19rem); height: auto; background: #18252d; border-radius: .2rem; }
.error-page p { margin-bottom: 1rem; }
@media (max-width: 1020px) {
  .entry { grid-template-columns: minmax(0,.62fr) minmax(0,1fr); }
  .entry h3 { font-size: 1.48rem; }
  .entry-hook { font-size: .95rem; }
  .cover-link { width: 75%; }
  .more-books { right: -.3rem; bottom: -1.2rem; }
  .mini-covers img { width: 23px; height: 34.5px; }
}
@media (min-width: 741px) and (max-width: 880px) {
  .hero h1 { font-size: 4.3rem; }
  .hero-main-book { margin-right: 2rem; }
}
@media (max-width: 850px) {
  .entries { grid-template-columns: 1fr; gap: 1.2rem; }
  .entry { grid-template-columns: minmax(150px,.46fr) minmax(0,1fr); gap: 1.6rem; }
  .cover-mat { min-height: 205px; padding: 1.4rem 0; }
  .cover-link { width: 65%; max-width: 132px; }
  .entry-text { padding: .5rem 0; }
  .entry h3 { font-size: 1.95rem; }
  .entry-hook { font-size: 1rem; max-width: 45ch; }
  .section-heading { align-items: start; gap: .8rem; flex-direction: column; }
  .section-heading > p { max-width: 54ch; }
}
@media (max-width: 740px) {
  .masthead { min-height: 59px; gap: .65rem; }
  .brand { gap: .3rem; font-size: 1.28rem; }
  .brand-symbol { width: 28px; height: 28px; }
  .masthead nav { gap: clamp(.62rem, 2.4vw, 1.1rem); }
  .masthead nav a { font-size: .82rem; }
  .hero { background-position: 63% center; }
  .hero::before { content:""; position:absolute; inset:0; z-index:-1; background: linear-gradient(90deg,#081626dc 0%,#081626b8 38%,#07182a3b 72%,transparent 100%); }
  .hero-grid { grid-template-columns: minmax(0,1.14fr) minmax(0,.86fr); grid-template-areas: "series series" "over book" "title book" "lead lead" "action action"; gap: 0 .7rem; padding-block: 1.65rem 2rem; min-height: 0; }
  .hero-copy, .hero-stage { display: contents; }
  .series-line { grid-area: series; margin-bottom: 1.45rem; font-size: .67rem; }
  .hero-overline { grid-area: over; align-self: end; margin: 0; display: block; font-size: .62rem; max-width: 24ch; }
  .hero-overline .rule { display: none; }
  .hero h1 { grid-area: title; align-self: start; margin: .6rem 0 0; font-size: clamp(2.25rem, 10.8vw, 4.8rem); line-height: .97; }
  .hero-main-book { grid-area: book; margin: 0; width: min(83%, 171px); justify-self: center; }
  .hero-main-book > a { transform: rotate(5deg); }
  .stage-note, .more-books { display: none; }
  .hero .lead { grid-area: lead; margin-top: 1.6rem; max-width: 52ch; font-size: 1.05rem; }
  .hero-actions { grid-area: action; margin-top: 1.1rem; column-gap: .95rem; }
  .hero-actions .hero-link { font-size: .92rem; }
  .family-grid, .author-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .family h2 { max-width: 16ch; }
  .footer-row { gap: .65rem 1.25rem; }
  .footer-row nav { margin-left: 0; }
}
@media (max-width: 520px) {
  .section { padding-block: 2.65rem; }
  .entry { grid-template-columns: minmax(84px,.63fr) minmax(0,1.18fr); gap: .95rem; padding-top: .6rem; }
  .cover-mat { min-height: 0; align-self: start; padding: 1.4rem 0 1rem; }
  .cover-link { width: 74%; }
  .entry-text { padding: .1rem 0 0; }
  .entry h3 { font-size: 1.5rem; }
  .entry-hook, .entry-sub { font-size: .93rem; }
  .entry-hook { margin: .5rem 0 .15rem; }
  .kicker { font-size: .63rem; letter-spacing: .04em; }
  .entry-links { gap: 0 .63rem; }
  .footer-row nav { flex-basis: 100%; }
}
@media (max-width: 375px) {
  .series-book { font-size: .64rem; }
  .hero-time small { font-size: .7em; }
}
@media (max-width: 740px) {
  .series-hero .hero-grid { display: block; padding-block: 2rem; }
  .series-hero .hero-copy { display: block; }
  .series-hero .series-line { margin-bottom: 1.25rem; }
  .series-hero .hero-overline { max-width: none; }
  .series-hero h1 { font-size: clamp(2.45rem,8vw,3.6rem); margin: .7rem 0 1rem; }
  .series-hero .lead { margin-top: 0; }
  .series-hero .hero-actions { margin-top: 1.25rem; }
  .series-covers { grid-template-columns: repeat(4,minmax(0,1fr)); gap: .65rem; max-width: none; margin: 2rem 0 0; }
  .series-book { font-size: clamp(.57rem,2.1vw,.78rem); gap: .45rem; }
}
@media (max-width: 350px) {
  .wrap { width: calc(100% - 26px); }
  .masthead { flex-wrap: wrap; gap: 0; padding: .35rem 0 .1rem; }
  .masthead nav { margin-left: auto; gap: .45rem; }
  .masthead nav a { font-size: .76rem; }
  .brand { font-size: 1.1rem; }
  .brand-symbol { width: 23px; }
  .hero-actions { gap: .4rem .8rem; }
  .hero-link { font-size: .9rem; }
  .entry { gap: .65rem; }
}

/* Buchseiten: Jeder Titel bekommt die Akzentfarbe seines Buchmotivs. */
.detail-head {
  color: #fff;
  background-color: var(--night);
}
.detail-head :focus-visible, .next-book :focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 5px;
}
.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .65rem;
  padding-block: .4rem;
  color: #c1d0e4;
  font-size: .9rem;
}
.crumbs a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #fff;
  text-decoration: underline;
}
.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, .79fr) minmax(0, 1.21fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5.25rem);
  padding-block: .65rem clamp(2.3rem, 4vw, 4.25rem);
}
.detail-mat {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: .8rem;
  isolation: isolate;
  position: relative;
  padding: 1rem clamp(1rem, 2vw, 2rem);
  color: var(--ink);
  background-color: var(--mat);
  border-radius: 4px;
}
.detail-mat::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(151deg, transparent 15%, #ffffff4d 15% 23%, transparent 23% 57%, #14294d20 57% 78%, transparent 78%);
}
.detail-mat .cover {
  display: block;
  width: min(70%, 280px);
  height: auto;
  box-shadow: 5px 7px 0 #14274199, 0 11px 18px #14274130;
}
.mat-label {
  justify-self: start;
  font: 800 .76rem/1.35 var(--body);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.mat-foot {
  justify-self: end;
  font: 650 .85rem/1.4 var(--body);
}
.detail-intro .eyebrow { color: var(--lime); }
.detail-intro h1 {
  margin: .65rem 0;
  font-size: clamp(3rem, 5.6vw, 5.65rem);
  font-weight: 850;
  line-height: .99;
  letter-spacing: -.055em;
  overflow-wrap: break-word;
}
.book-subtitle {
  max-width: 34ch;
  color: var(--mat);
  font: 720 clamp(1.3rem, 2.15vw, 1.95rem)/1.18 var(--display);
  letter-spacing: -.025em;
}
.detail-intro .lead {
  max-width: 50ch;
  margin: 1.25rem 0;
  color: #e3ebf6;
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  line-height: 1.5;
}
.buy-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem 1.25rem;
}
.sub-buy {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  min-height: 44px;
  color: #fff;
  font-size: .96rem;
  font-weight: 650;
}
.book-content {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .78fr);
  gap: clamp(2rem, 6vw, 6.5rem);
  padding-block: clamp(3rem, 6vw, 6rem);
}
.chapter h2 {
  margin-top: .6rem;
  font-size: clamp(2rem, 3.5vw, 3.3rem);
  line-height: 1.06;
  letter-spacing: -.045em;
}
.chapter > p:not(.eyebrow), .pencil-note > p:last-child {
  max-width: 65ch;
  margin-top: .9rem;
  font-size: 1.055rem;
  line-height: 1.65;
}
.pencil-note {
  margin-block: 1.8rem clamp(2.4rem, 4vw, 4.1rem);
  padding: 1.2rem clamp(1.1rem, 2.4vw, 2rem);
  border-left: 5px solid var(--blue);
  color: var(--ink);
  background-color: #eaf2ff;
}
.pencil-note .kicker { color: #193f9c; }
.pencil-note h3 {
  margin-top: .3rem;
  font-size: clamp(1.4rem, 2vw, 1.85rem);
  line-height: 1.15;
}
.fact-sheet {
  padding: clamp(1.1rem, 2.2vw, 1.8rem);
  border-top: 5px solid var(--blue);
  color: var(--ink);
  background-color: #f0f4fa;
}
.fact-sheet h2 {
  margin: .4rem 0 .9rem;
  font-size: clamp(1.75rem, 2.7vw, 2.5rem);
  line-height: 1.1;
}
.fact-sheet dl > div {
  display: grid;
  grid-template-columns: minmax(6rem, .65fr) minmax(0, 1fr);
  gap: .8rem;
  padding-block: .65rem;
  border-top: 1px solid #c6d1e1;
}
.fact-sheet dt { color: var(--muted); font-size: .88rem; }
.fact-sheet dd { margin: 0; font-weight: 650; line-height: 1.42; overflow-wrap: anywhere; }
.fact-sheet .shop-mini {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  min-height: 44px;
  margin-top: .75rem;
  padding: .65rem 1rem;
  border-radius: 3px;
  color: white;
  background-color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}
.fact-sheet .shop-mini:hover { background-color: #0c308b; text-decoration: underline; }
.next-book { color: #fff; background-color: #153c8d; }
.next-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem 2rem;
  padding-block: clamp(1.8rem, 4vw, 3.4rem);
}
.next-book .eyebrow { color: var(--lime); }
.next-title {
  display: inline-flex;
  align-items: baseline;
  gap: .5em;
  margin: .35rem 0;
  color: #fff;
  font: 750 clamp(1.7rem, 3vw, 2.6rem)/1.13 var(--display);
  letter-spacing: -.045em;
  text-decoration: none;
}
.next-title:hover { text-decoration: underline; }
.next-row p:not(.eyebrow) { color: #e1ebff; }
.next-row .text-link { color: #fff; }

@media (max-width: 880px) {
  .detail-grid { grid-template-columns: minmax(0, .77fr) minmax(0, 1.23fr); gap: 1.7rem; }
  .detail-mat .cover { width: 76%; }
  .book-content { grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr); gap: 1.6rem; }
  .fact-sheet dl > div { grid-template-columns: 1fr; gap: .16rem; }
}
@media (max-width: 680px) {
  .detail-grid {
    grid-template-columns: minmax(0, .68fr) minmax(0, 1fr);
    grid-template-areas: "age age" "cover title" "cover subtitle" "lead lead" "shop shop";
    gap: .6rem 1rem;
    align-items: start;
    padding-block: .25rem 1.8rem;
  }
  .detail-intro { display: contents; }
  .detail-intro .eyebrow { grid-area: age; margin-bottom: .35rem; }
  .detail-mat { grid-area: cover; align-self: center; padding: .75rem; }
  .detail-mat .cover { width: min(100%, 158px); box-shadow: 2px 3px 0 #1427418c; }
  .detail-mat .mat-label, .detail-mat .mat-foot { display: none; }
  .detail-intro h1 { grid-area: title; align-self: end; margin: 0; font-size: clamp(1.78rem, 6.8vw, 2.8rem); }
  .book-subtitle { grid-area: subtitle; font-size: clamp(1.05rem, 3.6vw, 1.5rem); }
  .detail-intro .lead { grid-area: lead; margin: .7rem 0 .35rem; }
  .detail-intro > .buy-group, .detail-intro > .button { grid-area: shop; justify-self: start; }
  .book-content { grid-template-columns: 1fr; gap: 2.2rem; }
  .fact-sheet dl > div { grid-template-columns: minmax(6rem, .68fr) minmax(0, 1fr); gap: .65rem; }
  .next-row { align-items: start; flex-direction: column; gap: .75rem; }
}
@media print {
  .detail-head, .fact-sheet, .pencil-note { color: #111; background: #fff; }
  .detail-head * { color: #111 !important; }
  .detail-mat { max-width: 240px; }
  .crumbs, .buy-group, .fact-sheet .shop-mini, .next-book { display: none; }
  .book-content { display: block; }
}

/* Die Karten sind Beispiele zum Nachdenken. Nur die Auflösung ist bedienbar. */
.lab-puzzle {
  color: #f5f8ff;
  background: #132b57;
  border-block: 1px solid #1a376c;
  font-family: "Segoe UI", Arial, sans-serif;
}
.lab-puzzle__inner {
  width: min(1232px, calc(100% - clamp(36px, 8vw, 96px)));
  margin-inline: auto;
  padding-block: clamp(3rem, 6vw, 5.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  grid-template-areas: "copy board" "reveal board";
  gap: 1.25rem clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.lab-puzzle__copy { grid-area: copy; }
.lab-puzzle .lab-puzzle__eyebrow,
.lab-puzzle__board-name {
  margin: 0;
  color: #c7f5fc;
  font: 750 .75rem/1.45 "Segoe UI", Arial, sans-serif;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.lab-puzzle .lab-puzzle__eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.5em;
  height: .25em;
  background: #deff54;
  margin-right: .65em;
  vertical-align: .22em;
}
.lab-puzzle h2 {
  color: #fff;
  margin-block: .55rem 1rem;
  font: 820 clamp(2rem, 3.45vw, 3.6rem)/1.03 "Segoe UI", Arial, sans-serif;
  letter-spacing: -.055em;
  text-wrap: balance;
}
.lab-puzzle p:not(.lab-puzzle__eyebrow) {
  max-width: 53ch;
  margin: 0;
  color: #ebf2ff;
  line-height: 1.62;
}
.lab-puzzle__board {
  grid-area: board;
  align-self: center;
  position: relative;
  padding: clamp(1rem, 3vw, 2.2rem);
  background: #091a34;
  border: 1px solid #4d75ab;
  border-radius: .3rem;
  box-shadow: .4rem .4rem 0 #091d3d;
}
.lab-puzzle__board::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 1.2rem;
  width: 3rem;
  height: 4px;
  background: #58dfed;
}
.lab-puzzle__board-name { color: #b5dbfa; }
.lab-puzzle__cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(.35rem, 1.2vw, 1rem);
  align-items: end;
  margin-top: 1.3rem;
}
.lab-puzzle__card {
  min-width: 0;
  display: grid;
  justify-items: center;
  gap: clamp(.7rem, 2vw, 1.4rem);
  padding: clamp(.85rem, 2vw, 1.65rem) .15rem .72rem;
  background: #142e52;
  border: 1px solid #557ba4;
  color: #f0f8ff;
  font-weight: 700;
  font-size: clamp(.74rem, 1.07vw, 1rem);
  line-height: 1.25;
  text-align: center;
}
.lab-puzzle__card--new {
  border: 2px dashed #deff54;
  background: #21314b;
  color: #deff54;
}
.lab-puzzle__shape {
  display: block;
  width: min(58%, 4.8rem);
  aspect-ratio: 1;
  border: 3px solid #75e8f1;
}
.lab-puzzle__shape--round { border-radius: 50%; }
.lab-puzzle__shape--striped {
  background: repeating-linear-gradient(135deg, transparent 0 5px, #75e8f1 5px 8px);
}
.lab-puzzle__reveal {
  grid-area: reveal;
  width: fit-content;
  max-width: 100%;
  color: #deff54;
}
.lab-puzzle__reveal summary {
  width: fit-content;
  min-height: 44px;
  max-width: 100%;
  display: flex;
  gap: .7rem;
  align-items: center;
  cursor: pointer;
  list-style: none;
  font-weight: 750;
  line-height: 1.35;
  text-decoration: underline;
  text-underline-offset: .28em;
}
.lab-puzzle__reveal summary::-webkit-details-marker { display: none; }
.lab-puzzle__reveal summary::after {
  content: "+";
  font-size: 1.4em;
  text-decoration: none;
}
.lab-puzzle__reveal[open] summary::after { content: "−"; }
.lab-puzzle__answer {
  padding: .6rem 0 0 1rem;
  margin-top: .4rem;
  border-left: 3px solid #58dfed;
}
.lab-puzzle__answer a {
  display: inline-flex;
  gap: .5rem;
  align-items: center;
  min-height: 44px;
  margin-top: .35rem;
  color: #deff54;
  font-weight: 750;
}
.lab-puzzle :focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}
@media (max-width: 760px) {
  .lab-puzzle__inner {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "copy" "board" "reveal";
    gap: 1.2rem;
  }
  .lab-puzzle__board { width: min(100%, 33rem); }
}