:root {
  --ink: #f7f4ee;
  --paper: #e6e1d7;
  --muted: #b8b2aa;
  --charcoal: #111014;
  --night: #09090b;
  --steel: #26262b;
  --line: rgba(255, 255, 255, 0.15);
  --red: #8e1613;
  --red-bright: #b5201c;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  padding: 18px clamp(18px, 4vw, 46px);
  background: rgba(5, 5, 7, 0.82);
  transition: background 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  backdrop-filter: blur(14px);
}

.site-nav {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 4vw, 72px);
  font-family: "Oswald", Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1.4rem, 1.35vw, 1.28rem);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.site-nav a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: rgba(247, 244, 238, 0.78);
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: #fff;
}

.nav-order {
  padding: 3px 16px;
  background: var(--red);
  border: 1px solid var(--red);
  color: #fff;
}

.nav-order:hover,
.nav-order.is-active {
  background: var(--red-bright);
  border-color: var(--red-bright);
  color: #fff;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: clip;
  isolation: isolate;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: linear-gradient(90deg, rgba(6, 6, 8, 0.94) 0%, rgba(6, 6, 8, 0.76) 44%, rgba(6, 6, 8, 0.3) 100%), url("assets/fehlspur-bg.jpg");
  background-size: cover;
  background-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 28%;
  background: linear-gradient(180deg, rgba(9, 9, 11, 0), var(--night));
}

.hero-inner {
  width: min(var(--max), calc(100% - 40px));
  min-height: 100svh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.78fr);
  align-items: center;
  gap: clamp(34px, 6vw, 86px);
  padding: 140px 0 100px;
}

.hero-copy {
  max-width: 680px;
}

.kicker,
.section-label {
  margin: 0 0 14px;
  color: var(--red-bright);
  font-family: "Oswald", Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-family: "Oswald", Inter, ui-sans-serif, system-ui, sans-serif;
  line-height: 0.96;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(4.8rem, 13vw, 10.5rem);
  font-weight: 950;
}

.hero-title-logo {
  width: min(650px, 100%);
}

.hero-title-logo img {
  width: 90%;
  height: auto;
}

h2 {
  font-size: clamp(2.45rem, 5.8vw, 5.4rem);
  max-width: 850px;
}

.subtitle {
  margin: 12px 0 30px;
  color: var(--paper);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.klappentext {
  display: grid;
  gap: 12px;
  max-width: 640px;
  color: rgba(247, 244, 238, 0.84);
  font-size: clamp(1rem, 1.6vw, 1rem);
}

.klappentext p,
.section p,
.order p,
.site-footer p {
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-family: "Oswald", Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
  text-decoration: none;
  font-weight: 700;
  text-transform: uppercase;
}

.button.primary {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.button.primary:hover {
  background: var(--red-bright);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.button.large {
  min-height: 58px;
  padding-inline: 30px;
}

.book-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
  perspective: 1400px;
}

.book-shadow {
  position: absolute;
  width: 70%;
  aspect-ratio: 1;
  bottom: 1%;
  background: rgba(142, 22, 19, 0.3);
  filter: blur(60px);
}

.book-mockup {
  position: relative;
  width: min(430px, 84vw);
  margin: 0;
}

.book-mockup img {
  position: relative;
  z-index: 1;
  width: 95%;
  filter: drop-shadow(-26px 34px 58px rgba(0, 0, 0, 0.62));
}

.section {
  background: var(--night);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.section-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(76px, 10vw, 126px) 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: center;
}

.section p,
.order p {
  max-width: 650px;
  color: rgba(247, 244, 238, 0.74);
  font-size: clamp(1rem, 1.5vw, 1rem);
}

.section h2 + p,
.order h2 + p {
  margin-top: 20px;
}

.text-link {
  display: inline-flex;
  margin-top: 24px;
  color: #fff;
  font-weight: 800;
  text-transform: uppercase;
  text-decoration-color: var(--red-bright);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.reader-placeholder,
.author-photo,
blockquote {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025));
}

.reader-placeholder {
  min-height: 420px;
  padding: clamp(18px, 3vw, 30px);
}

.reader-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
}

.reader-toolbar span {
  width: 32px;
  height: 8px;
  background: rgba(255, 255, 255, 0.26);
}

.reader-pages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.reader-page {
  min-height: 270px;
  padding: 22px;
  background: var(--paper);
  color: #171416;
  display: grid;
  align-content: start;
  gap: 12px;
}

.reader-page span {
  height: 9px;
  background: rgba(17, 16, 20, 0.22);
}

.reader-page span:nth-child(2) {
  width: 76%;
}

.reader-page span:nth-child(4) {
  width: 58%;
}

.reader-page strong {
  align-self: end;
  justify-self: end;
  margin-top: 50px;
  color: rgba(17, 16, 20, 0.38);
}

.reader-page.muted {
  opacity: 0.72;
}

.reader-placeholder > p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
}

.author {
  background: #141315;
}

.author-photo {
  margin: 0;
  min-height: 500px;
  overflow: hidden;
  position: relative;
}

.author-photo img {
  width: 100%;
  height: 100%;
  min-height: 500px;
  object-fit: cover;
}

.author-photo figcaption {
  position: absolute;
  inset: auto 16px 14px auto;
  padding: 5px 8px;
  background: rgba(5, 5, 6, 0.62);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
}

cite {
  font-family: "Oswald", Inter, ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0;
  text-transform: uppercase;
}

.voices {
  background: var(--night);
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}

blockquote {
  margin: 0;
  padding: 28px;
}

blockquote p {
  color: var(--ink);
  font-size: 1.1rem;
}

.order {
  background-image: linear-gradient(90deg, rgba(9, 9, 11, 0.96), rgba(9, 9, 11, 0.72)), url("assets/fehlspur-bg.jpg");
  background-size: cover;
  background-position: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.order-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 4vw, 46px);
  background: #050506;
  color: rgba(247, 244, 238, 0.72);
  font-size: 0.9rem;
}

.site-footer a {
  text-decoration-color: rgba(255, 255, 255, 0.28);
  text-underline-offset: 4px;
}

@media (max-width: 900px) {
  .site-header {
    padding-block: 14px;
  }

  .site-nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero-inner,
  .split {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding-top: 140px;
  }

  .book-stage {
    grid-row: 2;
    min-height: auto;
  }

  .book-mockup {
    width: min(380px, 82vw);
  }

  .reverse-mobile .author-photo {
    grid-row: 2;
  }

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

  .order-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  html {
    scroll-padding-top: 128px;
  }

  .site-nav {
    font-size: 0.76rem;
  }

  .nav-order {
    padding-inline: 10px;
  }

  .hero-inner,
  .section-inner {
    width: min(100% - 28px, var(--max));
  }

  .hero-title-logo {
    width: min(90%, 420px);
  }

  .reader-pages {
    grid-template-columns: 1fr;
  }

  .reader-page.muted {
    display: none;
  }

  .author-photo,
  .author-photo img,
  .reader-placeholder {
    min-height: 340px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}