:root {
  --bg: #fff9ef;
  --surface: #ffffff;
  --surface-soft: #fff2df;
  --ink: #2d1f2f;
  --ink-soft: #5f4f5f;
  --brand: #0d7c8c;
  --brand-dark: #075f6c;
  --accent: #ff8e4f;
  --accent-soft: #ffd3b8;
  --mint: #c8f0de;
  --line: #ecd7c5;
  --shadow: 0 14px 40px rgba(32, 20, 44, 0.12);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Nunito", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 174, 130, 0.25), transparent 35%),
    radial-gradient(circle at 88% 0%, rgba(88, 195, 182, 0.23), transparent 28%),
    var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
}

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

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: #111;
  color: #fff;
  padding: 0.5rem 0.75rem;
}

.skip-link:focus {
  left: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(9px);
  background: rgba(255, 249, 239, 0.9);
  border-bottom: 1px solid rgba(236, 215, 197, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  text-decoration: none;
  font-size: 1.05rem;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 10px;
  padding: 0.45rem 0.7rem;
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1rem;
  align-items: center;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 700;
  font-size: 0.97rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--brand);
}

.cta-mini {
  background: var(--accent);
  color: #2b1b12;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  box-shadow: 0 8px 20px rgba(255, 142, 79, 0.32);
}

.hero {
  padding: 5.4rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 1.8rem;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--surface-soft);
  color: #6e3f24;
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 1rem 0;
  font-family: "Bree Serif", Georgia, serif;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.16;
}

.hero p {
  margin: 0 0 1.2rem;
  color: var(--ink-soft);
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
  font-weight: 800;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(130deg, #ffb178, var(--accent));
  color: #2f1e14;
  box-shadow: 0 10px 24px rgba(255, 142, 79, 0.34);
}

.btn-secondary {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.hero-art {
  position: relative;
}

.hero-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1rem;
  transform: rotate(-2deg);
}

.hero-panel img {
  border-radius: 16px;
  width: 100%;
  object-fit: contain;
  aspect-ratio: 4/5;
  background: #fff;
}

.panel-note {
  position: absolute;
  right: -0.8rem;
  bottom: 0.8rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.6rem 0.8rem;
  max-width: 210px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

main section {
  padding: 3.6rem 0;
}

main {
  flex: 1 0 auto;
}

.section-head {
  margin-bottom: 1.3rem;
}

.section-head h2 {
  margin: 0;
  font-family: "Bree Serif", Georgia, serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.section-head p {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.book-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(41, 27, 54, 0.08);
  display: grid;
  grid-template-rows: auto 1fr;
}

.book-card img {
  aspect-ratio: 3 / 4;
  width: 100%;
  object-fit: contain;
  background: #fff;
}

.book-content {
  padding: 1rem;
  display: grid;
  gap: 0.65rem;
}

.book-content h3 {
  margin: 0;
  font-family: "Bree Serif", Georgia, serif;
  font-size: 1.25rem;
}

.book-meta {
  color: var(--ink-soft);
  font-size: 0.94rem;
  margin: 0;
}

.book-link {
  margin-top: 0.25rem;
  text-decoration: none;
  font-weight: 800;
  color: var(--brand);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

#vorteile {
  padding-top: 4.6rem;
}

#vorteile .section-head {
  padding-top: 0.55rem;
}

.value-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.value-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}

.value-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.author-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1rem;
  background: linear-gradient(145deg, #ebfaf6, #ffe9d5);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.author-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-content {
  padding: 1.2rem;
}

.author-content h2 {
  margin-top: 0;
  font-family: "Bree Serif", Georgia, serif;
}

.author-content p {
  margin: 0.6rem 0;
  color: #4d3d50;
}

.contact-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  display: grid;
  gap: 0.8rem;
}

.contact-box p {
  margin: 0;
  color: var(--ink-soft);
}

.contact-box a {
  color: var(--brand-dark);
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: auto;
  padding: 1.2rem 0 2rem;
  color: #6c5a70;
  font-size: 0.93rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  text-decoration: none;
}

.page-hero {
  padding: 4.1rem 0 2rem;
}

.page-shell {
  display: grid;
  grid-template-columns: minmax(180px, 280px) 1fr;
  gap: 1.6rem;
  align-items: start;
}

.page-cover {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0.8rem;
  box-shadow: var(--shadow);
}

.page-cover img {
  border-radius: 12px;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: #fff;
}

.page-content h1 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-family: "Bree Serif", Georgia, serif;
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  line-height: 1.18;
}

.page-content p {
  color: #4f3f52;
}

.page-content h2 {
  margin-top: 1.6rem;
  margin-bottom: 0.45rem;
  font-family: "Bree Serif", Georgia, serif;
}

.inline-list {
  padding-left: 1.2rem;
}

.inline-list li {
  margin-bottom: 0.35rem;
}

.material-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.9rem;
}

.material-list a {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  color: #453247;
  font-weight: 700;
}

.material-list img {
  width: 22px;
  height: 22px;
}

.back-links {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  animation: fade-in 700ms ease forwards;
}

.reveal.delay-1 { animation-delay: 0.12s; }
.reveal.delay-2 { animation-delay: 0.24s; }
.reveal.delay-3 { animation-delay: 0.36s; }

@keyframes fade-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .author-panel,
  .page-shell {
    grid-template-columns: 1fr;
  }

  .books-grid,
  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .author-panel img {
    max-height: 280px;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: rgba(255, 249, 239, 0.97);
    border-bottom: 1px solid var(--line);
    display: none;
    padding: 0 4%;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    padding: 0.85rem 0;
  }

  .site-nav a,
  .site-nav .cta-mini {
    width: 100%;
    border-radius: 10px;
    padding: 0.65rem 0.7rem;
  }

  .books-grid,
  .value-grid,
  .material-list {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .panel-note {
    position: static;
    margin-top: 0.7rem;
    max-width: 100%;
  }
}