:root {
  --bg: #fff4ea;
  --bg-alt: #fbe3d0;
  --accent: #f08a5d;
  --accent-strong: #eb4d3d;
  --accent-soft: rgba(240, 138, 93, 0.16);
  --text: #2a1714;
  --muted: #6d4a46;
  --card-bg: #ffffff;
  --border-subtle: rgba(150, 90, 70, 0.45);
  --radius-lg: 1.4rem;
  --radius-xl: 2rem;
  --shadow-soft: 0 18px 40px rgba(140, 82, 63, 0.35);
  --shadow-subtle: 0 10px 24px rgba(150, 90, 70, 0.25);
  --transition-fast: 150ms ease-out;
  --transition-med: 220ms ease-out;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #ffe0c4 0, #fff4ea 45%, #ffe8d6 100%);
  -webkit-font-smoothing: antialiased;
}

/* Layout */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0 3.5rem;
}

.section-alt {
  background: radial-gradient(circle at top left, #ffd8c0 0, #ffece0 55%, #ffe1cf 100%);
  border-top: 1px solid rgba(150, 90, 70, 0.35);
  border-bottom: 1px solid rgba(150, 90, 70, 0.35);
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-size: 1.8rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.03em;
}

.section-header p {
  margin: 0;
  color: var(--muted);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(
    to bottom,
    rgba(255, 242, 230, 0.98),
    rgba(255, 237, 222, 0.9)
  );
  border-bottom: 1px solid rgba(150, 90, 70, 0.4);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.logo-mark {
  font-size: 1.8rem; /* Etwas größer, da das Herz filigraner ist */
  color: var(--accent); /* Nutzt dein warmes Orange */
  margin-right: 0.4rem;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
  transition: transform var(--transition-med);
}

/* Kleiner Bonus: Das Herz pulsiert ganz leicht, wenn man mit der Maus über das Logo fährt */
.logo:hover .logo-mark {
  transform: scale(1.1);
}

.logo-text {
  font-weight: 600;
  letter-spacing: 0.06em;
  font-size: 0.95rem;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  transition: background var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast);
}

.main-nav a:hover {
  color: var(--text);
  background: rgba(255, 204, 177, 0.9);
  transform: translateY(-1px);
}

/* Sprache Switch */

.lang-switch {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.lang-btn {
  border: 1px solid rgba(150, 90, 70, 0.5);
  background: rgba(255, 239, 228, 0.95);
  color: var(--muted);
  border-radius: 999px;
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast);
}

.lang-btn:hover {
  border-color: rgba(235, 77, 61, 0.95);
  color: var(--text);
  transform: translateY(-1px);
}

.lang-btn.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: rgba(235, 77, 61, 0.95);
}

/* Hero */

.hero {
  padding: 3rem 0 3.5rem;
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 2.5vw + 1.5rem, 2.6rem);
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-med), color var(--transition-med),
    box-shadow var(--transition-med), transform var(--transition-fast),
    border-color var(--transition-med);
}

.btn.primary {
  background: linear-gradient(135deg, #ffb884, #ff8575);
  color: #3e1810;
  box-shadow: var(--shadow-soft);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(160, 86, 60, 0.55);
}

.btn.ghost {
  background: rgba(255, 244, 235, 0.9);
  color: var(--text);
  border-color: rgba(160, 95, 75, 0.85);
}

.btn.ghost:hover {
  background: rgba(255, 232, 218, 0.98);
}

.btn.small {
  padding: 0.45rem 0.95rem;
  font-size: 0.83rem;
}

/* Hero highlight card */

.hero-highlight {
  background: radial-gradient(circle at top, #ffd6b7 0, #ffffff 45%, #ffe2ce 100%);
  border-radius: var(--radius-xl);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(160, 95, 75, 0.5);
  position: relative;
  overflow: hidden;
}

.hero-highlight::before {
  content: "";
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.85), transparent 55%);
  opacity: 0.75;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #4e2117;
  background: #ffc6a0;
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  margin: 0 0 0.8rem;
}

/* Highlight Layout mit Cover */

.hero-highlight-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: center;
}

.hero-cover {
  justify-self: end;
}

.hero-cover img {
  display: block;
  max-width: 160px;
  width: 100%;
  border-radius: 1.1rem;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(150, 90, 70, 0.4);
  object-fit: cover;
}

.hero-sub {
  margin-top: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Kategorie-Filter */

.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  justify-content: center;
}

.filter-btn {
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(150, 90, 70, 0.7);
  background: rgba(255, 239, 228, 0.95);
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.filter-btn:hover {
  border-color: rgba(235, 77, 61, 0.95);
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(160, 90, 70, 0.4);
}

.filter-btn.active {
  background: var(--accent-soft);
  border-color: rgba(235, 77, 61, 0.95);
  color: var(--accent-strong);
}

/* Buchkarten */

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.book-card {
  background: radial-gradient(circle at top left, #fff6ef 0, #ffffff 55%, #ffe6d6 100%);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.3rem 1.2rem;
  border: 1px solid rgba(150, 90, 70, 0.6);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  position: relative;
  overflow: hidden;
}

.book-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at top right, rgba(255, 193, 158, 0.55), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-med);
  pointer-events: none;
}

.book-card:hover::before {
  opacity: 1;
}

.book-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 50px rgba(160, 96, 75, 0.55);
}

.book-cover {
  width: 100%;
  border-radius: 0.9rem;
  margin-bottom: 0.7rem;
  object-fit: cover;
  max-height: 220px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(150, 90, 70, 0.3);
}

.book-tag {
  align-self: flex-start;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: rgba(240, 138, 93, 0.2);
  color: var(--accent-strong);
}

.book-card h3 {
  margin: 0.1rem 0 0.15rem;
  font-size: 1.02rem;
}

.book-meta {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.book-desc {
  margin: 0.15rem 0 0.6rem;
  font-size: 0.9rem;
  color: #3a2320;
}

.book-actions {
  margin-top: auto;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Support / Newsletter */

.support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.support-grid h2 {
  margin-top: 0;
}

.support-grid p {
  color: var(--muted);
}

.support-actions {
  margin-top: 1rem;
}

.support-note {
  margin-top: 0.6rem;
  font-size: 0.85rem;
}

.support-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.qr-placeholder {
  width: 180px;
  height: 180px;
  border-radius: 1.3rem;
  border: 1px dashed rgba(150, 90, 70, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
  background: rgba(255, 242, 232, 0.98);
}

.qr-hint {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.newsletter-placeholder {
  border-radius: 1rem;
  border: 1px dashed rgba(150, 90, 70, 0.7);
  padding: 1rem 1.2rem;
  background: rgba(255, 242, 232, 0.9);
  font-size: 0.9rem;
  color: var(--muted);
}

/* About / Autor */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.about-grid h2,
.about-grid h1 {
  margin-top: 0;
}

.about-grid p {
  color: var(--muted);
}

.about-card {
  background: radial-gradient(circle at top, #ffdccc 0, #ffffff 55%, #ffe4d4 100%);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.3rem;
  border: 1px solid rgba(150, 90, 70, 0.6);
  box-shadow: var(--shadow-subtle);
  font-size: 0.9rem;
}

.about-card a {
  color: var(--accent-strong);
  text-decoration: none;
}

.about-card a:hover {
  text-decoration: underline;
}

.about-label {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.7rem;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(150, 90, 70, 0.4);
  padding: 1.4rem 0 1.6rem;
  background: linear-gradient(to top, rgba(255, 213, 188, 0.96), rgba(255, 236, 222, 0.85));
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 0.9rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent-strong);
}

/* Responsiveness */

@media (max-width: 820px) {
  .hero-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-highlight-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .support-grid,
  .about-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-header {
    position: static;
  }

  .header-content {
    height: auto;
    padding: 0.75rem 0;
    gap: 0.6rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .hero-cover {
    justify-self: flex-start;
  }

  .hero-cover img {
    max-width: 200px;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .book-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .qr-placeholder {
    width: 150px;
    height: 150px;
  }
}
/* Newsletter Card */

.newsletter-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.6rem 2.4rem;
  text-align: center;

  background: radial-gradient(
    circle at top,
    #ffdccc 0%,
    var(--card-bg) 55%,
    #ffe4d4 100%
  );

  border-radius: var(--radius-xl);
  border: 1px solid rgba(150, 90, 70, 0.6);
  box-shadow: var(--shadow-soft);
}

.newsletter-eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.newsletter-card h2 {
  margin: 0 0 0.8rem;
  font-size: 1.9rem;
  letter-spacing: 0.03em;
}

.newsletter-text {
  margin: 0 auto 1.6rem;
  max-width: 520px;
  color: var(--muted);
  line-height: 1.6;
}

.newsletter-btn {
  margin-top: 0.4rem;
}

.newsletter-note {
  margin-top: 0.9rem;
  font-size: 0.8rem;
  color: var(--muted);
}
/* Styling für die neue Autoren-Sidebar */
.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem; /* Abstand zwischen Foto und Kontaktkarte */
}

.author-photo-container {
  width: 100%;
  display: flex;
  justify-content: center;
}

.author-photo {
  width: 100%;
  max-width: 320px; /* Damit das Bild nicht zu riesig wird */
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-subtle);
  object-fit: cover;
}

/* Optimierung für mobile Geräte */
@media (max-width: 768px) {
  .about-grid {
    display: flex;
    flex-direction: column;
  }
  
  .about-sidebar {
    order: -1; /* Das Foto erscheint auf dem Handy über dem Text */
    align-items: center;
  }
}
/* Suche & Tags Styles */
.search-section {
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.search-input {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border-color); /* Oder #e2e8f0 falls Variable fehlt */
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-family: inherit;
}

.tags-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.tags-label {
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 500;
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.tag-btn {
  background: #f1f5f9;
  border: 1px solid transparent;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  font-size: 0.85rem;
  color: #475569;
  cursor: pointer;
  transition: all 0.2s;
}

.tag-btn:hover {
  background: #e2e8f0;
}

.tag-btn.active {
  background: var(--primary-color, #2563eb); /* Fallback Blau, falls Variable fehlt */
  color: white;
  border-color: var(--primary-color, #2563eb);
}
/* =========================================
   UPDATE: "PHYSICAL BOOK" LOOK
   ========================================= */

/* 1. Das Grid bleibt gleich */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 3rem; /* Etwas mehr Luft zwischen den Büchern sieht edler aus */
  justify-content: center;
}

/* 2. Die Karte */
.book-card {
  max-width: 300px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
/* WICHTIG: Dies entfernt den weißen Kasten um das Buch */
  background: transparent !important; 
}

/* 3. Das Cover - Jetzt im "Floating Look" */
.book-card .book-cover {
  width: 100%;
  
  /* Wir reservieren Platz im DIN A4 Format (Standard für PDFs).
     Das sieht meist besser aus als das breitere 2:3 Format. */
  aspect-ratio: 1 / 1.414; 

  /* 'contain' sorgt dafür, dass NICHTS abgeschnitten wird. */
  object-fit: contain;
  
  /* Positioniert das Buch unten im Rahmen, damit es "steht" und nicht schwebt.
     Falls du lieber willst, dass es mittig schwebt, ändere dies zu 'center'. */
  object-position: bottom; 

  /* WICHTIG: Keine Hintergrundfarbe und kein Rahmen mehr! */
  background-color: transparent;
  border: none;
  border-radius: 0; 

  /* DER TRICK: 'drop-shadow' legt den Schatten um das sichtbare Bild (den Buchinhalt),
     nicht um den unsichtbaren Rahmen. So sieht auch ein quadratisches Buch
     in einem A4-Rahmen gut aus. */
  filter: drop-shadow(0 10px 15px rgba(0,0,0,0.15));

  /* Schöne Animation beim Drüberfahren */
  transition: transform 0.3s ease, filter 0.3s ease;
  
  /* Kleiner Abstand nach unten zum Titel */
  margin-bottom: 1.5rem;
}

/* Hover Effekt: Das Buch hebt sich leicht an */
.book-card:hover .book-cover {
  transform: translateY(-5px) scale(1.02);
  filter: drop-shadow(0 20px 25px rgba(0,0,0,0.2));
}

/* Reset für den Rest */
.book-card h3,
.book-card .book-meta,
.book-card .book-desc {
    flex-grow: 0;
}
.book-card .book-actions {
    margin-top: auto;
    padding-top: 1rem;
}