:root {
  color-scheme: light;
  --night: #101c27;
  --ink: #142b40;
  --gold: #e7bc78;
  --paper: #f6f3ed;
  --muted: #506071;
  --line: #c9c7c1;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 400 1.125rem/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .25em; }
a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid #ab6421; outline-offset: 7px; }
.opening a:focus-visible, .header-shell a:focus-visible, .crime-section summary:focus-visible, .site-footer a:focus-visible { outline-color: var(--gold); }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
p { margin: 0 0 1.2rem; }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 400; text-wrap: balance; }
h1, h2, h3, p, a { overflow-wrap: break-word; }
em { font-family: var(--serif); }
.wrap { width: min(1260px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: absolute; top: 8px; left: 8px; transform: translateY(-160%); z-index: 5; background: var(--paper); padding: .6rem 1rem; }
.skip-link:focus { transform: none; }
.opening, .header-shell { color: var(--paper); background: var(--night); }
.header-shell { border-top: 4px solid var(--gold); }
.site-header { min-height: 114px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-bottom: 1px solid #ffffff26; padding-block: 23px; }
.wordmark { font: 400 1.65rem/1.25 var(--serif); text-decoration: none; letter-spacing: .025em; }
.wordmark span { display: block; margin-top: 8px; font: 400 .8125rem/1.5 var(--sans); color: #bcc8d2; letter-spacing: .1em; }
nav { display: flex; flex-wrap: wrap; gap: 2.1rem; font-size: 1rem; }
nav a { text-decoration: none; padding-block: .6rem; border-bottom: 1px solid transparent; }
nav a:hover { border-color: var(--gold); color: var(--gold); }
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3.5rem; align-items: center; padding-block: 75px 66px; }
.hero-copy { min-width: 0; }
.eyebrow { margin: 0 0 1.6rem; font: 600 .875rem/1.7 var(--sans); letter-spacing: .09em; text-transform: uppercase; }
.light-label { color: var(--gold); }
.hero .eyebrow { font-size: .8125rem; letter-spacing: .07em; display: flex; align-items: center; gap: 12px; }
.short-rule { height: 1px; width: 25px; flex: 0 0 25px; background: currentColor; }
h1 { font-size: clamp(3.1rem, 5.65vw, 5.1rem); line-height: 1.07; letter-spacing: -.047em; }
h1 em { color: var(--gold); }
.hero-deck { margin: 1.8rem 0 .75rem; font: 400 1.35rem/1.55 var(--serif); }
.hero-description { max-width: 440px; color: #c8d1d8; font-size: 1.0625rem; line-height: 1.75; margin-bottom: 1.9rem; }
.button { min-height: 52px; display: inline-flex; gap: 30px; align-items: center; padding: 12px 22px; font-size: 1rem; font-weight: 600; text-decoration: none; transition: background .2s ease; }
.gold { color: var(--night); background: var(--gold); border: 1px solid var(--gold); }
.gold:hover { background: #f1ce96; }
.hero-books { min-width: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.hero-book { display: block; min-width: 0; text-decoration: none; }
.hero-book img { width: 100%; box-shadow: 0 22px 30px #0008; transition: transform .3s ease; }
.hero-book:hover img { transform: translateY(-7px); }
.hero-book > span { display: block; font-size: .875rem; line-height: 1.5; }
.hero-book-status { margin-top: 20px; color: var(--gold); font-weight: 700; }
.hero-book-subline { margin-top: 2px; color: #c4cdd4; }
.book-pauli { margin-top: 50px; }
.hero-foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; border-top: 1px solid #ffffff26; padding-block: 21px; color: #bbc6cf; font-size: .8125rem; letter-spacing: .02em; }
.books-section { padding: 91px 0 104px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 3rem; border-bottom: 1px solid var(--line); padding-bottom: 44px; margin-bottom: 64px; }
.section-heading .eyebrow { color: #6e542b; margin-bottom: 14px; }
h2 { font-size: clamp(2.4rem, 4.5vw, 3.75rem); line-height: 1.13; letter-spacing: -.035em; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 1.0625rem; }
.book-feature { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.2fr); align-items: start; gap: clamp(48px, 7vw, 104px); }
.cover-stage { padding: 48px 45px 24px; }
.blue-stage { background: #d7dfe3; }
.cover-stage img { width: min(100%, 302px); margin-inline: auto; box-shadow: 9px 17px 27px #18263240; }
.cover-stage figcaption { display: flex; align-items: baseline; gap: 14px; margin-top: 30px; font: 400 1.4rem/1.5 var(--serif); }
.cover-stage figcaption span { font: 400 .8125rem/1.6 var(--sans); }
.book-copy { padding-top: 8px; min-width: 0; }
.book-copy > .eyebrow { margin-bottom: 17px; color: #6c5129; font-size: .8125rem; }
.release-status { width: fit-content; margin: 0 0 18px; padding: 6px 11px; border: 1px solid currentColor; color: #71501f; font-size: .875rem; font-weight: 700; line-height: 1.45; }
h3 { font-size: clamp(2.2rem, 3.8vw, 3.5rem); line-height: 1.12; letter-spacing: -.038em; }
.book-copy > p { max-width: 610px; }
.book-hook { font: 400 1.45rem/1.45 var(--serif); margin-top: 25px; }
.book-question { font-weight: 600; margin-top: 1.4rem; }
.buy-button { display: inline-flex; align-items: center; gap: 18px; min-height: 48px; margin: .2rem 0; padding: 10px 18px; border: 1px solid var(--ink); color: var(--ink); font-size: 1rem; font-weight: 600; text-decoration: none; transition: background .2s ease, color .2s ease; }
.buy-button:hover { color: var(--paper); background: var(--ink); }
.buy-button:focus-visible { outline: 3px solid #ab6421; outline-offset: 5px; }
.reading { border-block: 1px solid #182a4055; margin-top: 28px; }
.reading summary { cursor: pointer; display: flex; justify-content: space-between; gap: 22px; align-items: center; list-style: none; min-height: 67px; padding-block: 16px; font-size: 1rem; font-weight: 600; }
.reading summary::-webkit-details-marker { display: none; }
.reading summary:hover { color: #7c4b18; }
.toggle-icon { position: relative; flex: 0 0 16px; height: 16px; }
.toggle-icon::before, .toggle-icon::after { content: ''; position: absolute; background: currentColor; }
.toggle-icon::before { height: 2px; width: 16px; top: 7px; left: 0; }
.toggle-icon::after { width: 2px; height: 16px; left: 7px; top: 0; }
.reading[open] .toggle-icon::after { display: none; }
.reading-body { padding: 14px 0 24px; font: 400 1.1875rem/1.85 var(--serif); max-width: 60ch; }
.reading-body .eyebrow { font-size: .8125rem; margin-bottom: 22px; }
.reading-body p:last-child { margin-bottom: 0; }
.crime-section { color: var(--paper); background: #181714; padding-block: 94px; }
.crime-feature { grid-template-columns: minmax(0, 1.2fr) minmax(0, .9fr); }
.crime-section .book-copy > .eyebrow { color: var(--gold); }
.crime-section .book-copy > p:not(.eyebrow):not(.book-hook):not(.book-question) { color: #dfdcd5; }
.crime-section .book-copy > .release-status { color: var(--gold); }
.crime-section h3 em { color: var(--gold); }
.crime-section .reading { border-color: #b9a88775; }
.crime-section .reading summary { color: var(--gold); }
.crime-section .reading summary:hover { color: #f6dab0; }
.dark-stage { background: #211b15 url('assets/keller-hintergrund.png') center/cover; }
.dark-stage img { box-shadow: 8px 16px 35px #000c; }
.dark-stage figcaption { color: #e2c8a0; background: #181714; padding: 9px 10px; }
.author-section { padding-block: 108px 104px; }
.author-grid { display: grid; grid-template-columns: .9fr 1.2fr; gap: clamp(48px, 7vw, 104px); }
.author-heading { border-left: 3px solid #a87637; padding-left: 32px; }
.author-heading .eyebrow { color: #6e542b; }
.author-heading h2 { font-size: clamp(3.6rem, 6vw, 5rem); line-height: 1.06; }
.author-heading h2 span { color: #9c6326; }
.author-location { font-size: 1rem; color: var(--muted); margin: 26px 0 0; }
.author-portrait { max-width: 370px; margin: 34px 0 0; }
.author-portrait img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: center top; }
.author-portrait figcaption { margin-top: 10px; color: var(--muted); font: italic 1rem/1.4 var(--serif); }
.author-lead { font: 400 1.6rem/1.55 var(--serif); }
.author-copy { min-width: 0; }
.text-link { display: inline-flex; align-items: center; gap: 24px; font-size: 1rem; font-weight: 600; padding-block: 9px; }
.site-footer { color: var(--paper); background: var(--night); padding-block: 37px; }
.footer-grid { display: flex; justify-content: space-between; gap: 36px; flex-wrap: wrap; }
.footer-name { text-decoration: none; font: 400 1.6rem/1.4 var(--serif); }
.footer-grid p { font-size: .875rem; line-height: 1.8; margin: 0; }
.footer-grid p span, .copyright { color: #c0cbd3; }
.copyright a { display: inline-block; padding-top: 8px; }
.footer-heading { font: 600 1rem/1.6 var(--sans); letter-spacing: 0; margin: 0 0 7px; }
.contact-phone { display: inline-flex; align-items: center; min-height: 44px; color: var(--gold); font-size: 1rem; line-height: 1.4; }
.imprint { border-top: 1px solid #ffffff26; margin-top: 33px; padding-top: 18px; }
.imprint summary { width: fit-content; cursor: pointer; color: #c0cbd3; font-size: .875rem; line-height: 1.6; }
.imprint summary:hover { color: var(--paper); }
.imprint summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.imprint p { margin: 12px 0 0; max-width: 65ch; color: #c0cbd3; font-size: .8125rem; line-height: 1.65; }
.imprint strong { color: var(--paper); font-weight: 500; }
@media (min-width: 1500px) { .hero { padding-block: 96px 90px; } }
@media (max-width: 1050px) {
  .wrap { width: calc(100% - 64px); }
  .hero { gap: 32px; }
  .hero-books { gap: 18px; }
  .hero .eyebrow { display: block; }
  .short-rule { display: none; }
  .cover-stage { padding: 32px 26px 20px; }
  .book-feature, .author-grid { gap: 44px; }
  .book-copy > .eyebrow { letter-spacing: .06em; }
}
@media (max-width: 760px) {
  body { font-size: 1.0625rem; line-height: 1.65; }
  .wrap { width: calc(100% - 44px); }
  .site-header { min-height: 0; align-items: flex-start; flex-direction: column; gap: 13px; padding-block: 20px 15px; }
  .wordmark { font-size: 1.55rem; }
  .wordmark span { margin-top: 3px; font-size: .875rem; letter-spacing: .06em; }
  nav { width: 100%; justify-content: space-between; gap: 12px; font-size: .9375rem; }
  nav a { padding-block: .5rem; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-block: 48px 38px; }
  .hero .eyebrow { font-size: .875rem; line-height: 1.45; margin-bottom: 17px; }
  h1 { font-size: clamp(2.75rem, 10vw, 3.6rem); line-height: 1.08; letter-spacing: -.04em; }
  .hero-deck { margin-top: 25px; font-size: 1.25rem; line-height: 1.5; }
  .hero-description { max-width: 36ch; font-size: 1rem; line-height: 1.65; }
  .hero-books { display: flex; gap: 18px; width: calc(100% + 8px); margin-inline: -4px; padding: 6px 4px 19px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-color: var(--gold) transparent; }
  .hero-book { flex: 0 0 68%; scroll-snap-align: start; }
  .book-pauli { margin-top: 0; }
  .hero-book > span { line-height: 1.45; }
  .hero-book-status { margin-top: 13px; }
  .hero-book-subline { margin-top: 2px; }
  .hero-foot { padding-block: 16px; font-size: .8125rem; }
  .hero-foot span:last-child { display: none; }
  .books-section, .crime-section, .author-section { padding-block: 64px; }
  .section-heading { display: block; margin-bottom: 34px; padding-bottom: 28px; }
  .section-heading .eyebrow { margin-bottom: 12px; }
  .section-heading > p { margin-top: 17px; font-size: 1rem; line-height: 1.55; }
  .book-feature, .crime-feature, .author-grid { grid-template-columns: 1fr; gap: 33px; }
  .cover-stage { padding: 28px 22px 19px; }
  .cover-stage img { width: min(68%, 230px); }
  .cover-stage figcaption { justify-content: center; margin-top: 19px; font-size: 1.25rem; }
  .cover-stage figcaption span { font-size: .875rem; }
  .crime-feature .cover-stage { grid-row: 1; }
  h2 { font-size: clamp(2.2rem, 8.5vw, 2.8rem); line-height: 1.13; }
  h3 { font-size: clamp(2.25rem, 8.8vw, 2.8rem); line-height: 1.12; }
  .book-hook { font-size: 1.25rem; line-height: 1.5; margin-top: 19px; }
  .book-copy { padding: 0; }
  .book-copy > .eyebrow { font-size: .875rem; line-height: 1.45; letter-spacing: .06em; margin-bottom: 14px; }
  .release-status { margin-bottom: 16px; }
  .reading { margin-top: 23px; }
  .reading summary { min-height: 60px; }
  .author-heading { padding-left: 24px; }
  .author-heading h2 { font-size: clamp(3rem, 12vw, 3.45rem); }
  .author-location { margin-top: 19px; font-size: .9375rem; }
  .author-portrait { width: min(100%, 320px); margin-top: 29px; }
  .author-lead { font-size: 1.35rem; line-height: 1.5; }
  .footer-grid { flex-direction: column; gap: 22px; }
  .contact-phone { font-size: .9375rem; }
}
@media (max-width: 360px) {
  h1 { font-size: 2.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .hero-book:hover img { transform: none; }
}