/* Bokify-Style Clean Commercial Author Platform
   Accurate recreation of high-converting ThemeForest bestseller layout.
   Clean white aesthetic, bold sans-serif headlines, royal cobalt CTA buttons,
   photorealistic 3D book staging, and floating social proof. */

:root {
  --bg: #FFFFFF;
  --bg-soft: #F9FAFB;
  --ink: #111827;
  --ink-secondary: #374151;
  --muted: #4B5563;
  --faint: #9CA3AF;
  --border: #E5E7EB;
  --border-strong: #D1D5DB;

  --blue-primary: #1D64EC;
  --blue-hover: #1550C4;
  --blue-subtle: #EFF6FF;

  --gold-star: #F59E0B;

  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: Charter, 'Sitka Text', Cambria, Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* Demo Disclaimer Banner (Discrete Top Bar) */
.demo-banner {
  background: #0F172A;
  color: #94A3B8;
  font-size: 12px;
  text-align: center;
  padding: 6px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.demo-banner a {
  color: #60A5FA;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Header & Navigation Bar (Exact Bokify Layout) */
.site-header {
  background: #FFFFFF;
  border-bottom: 1px solid #F3F4F6;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 80px;
}
.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--blue-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
}
.brand-name {
  font-size: 23px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color 0.15s ease;
}
.nav-link:hover,
.nav-link.is-active {
  color: var(--blue-primary);
}
.nav-link svg {
  color: #9CA3AF;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-pill-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 9999px;
  padding: 8px 16px;
  width: 170px;
}
.search-pill-box input {
  border: none;
  background: transparent;
  outline: none;
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--ink);
  width: 100%;
}
.search-pill-box input::placeholder {
  color: var(--faint);
}
.search-pill-box svg {
  color: var(--faint);
  flex-shrink: 0;
}

.header-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  cursor: pointer;
  position: relative;
  transition: color 0.15s ease;
}
.header-icon-btn:hover {
  color: var(--blue-primary);
}
.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--blue-primary);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hero Section (Exact Bokify Layout) */
.hero-section {
  padding-block: 60px 80px;
  background: #FFFFFF;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}
.hero-kicker {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 14px;
}
.hero-headline {
  font-size: clamp(2.6rem, 4.4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.14;
  color: var(--ink);
  letter-spacing: -0.025em;
  margin: 0 0 28px;
  text-wrap: balance;
}

/* Primary Hero Button */
.btn-blue {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-primary);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 6px;
  box-shadow: 0 4px 14px rgba(29, 100, 236, 0.32);
  transition: all 0.18s ease;
  border: 1px solid transparent;
}
.btn-blue:hover {
  background: var(--blue-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(29, 100, 236, 0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  transition: all 0.18s ease;
}
.btn-outline:hover {
  background: var(--bg-soft);
  border-color: var(--ink);
  color: var(--ink);
}

/* Retailer Logos Row (Audible, Amazon, Google Books) */
.retailer-bar {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.retailer-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  text-decoration: none;
  transition: opacity 0.15s ease;
}
.retailer-item:hover {
  opacity: 0.8;
}
.retailer-item svg {
  height: 24px;
  width: auto;
}

/* Hero 3D Book Mockup Column */
.hero-mockup-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-mockup-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  display: block;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.12));
}

/* Meet the Author Section (Exact Bokify Layout) */
.author-section {
  padding-block: 80px 90px;
  background: #FFFFFF;
}
.author-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

/* Left: Rounded Author Photo with 2 Floating Badges */
.author-stage {
  position: relative;
  display: flex;
  justify-content: center;
}
.author-photo-frame {
  position: relative;
  width: 100%;
  max-width: 400px;
  height: 480px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
.author-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Floating Top-Left Badge */
.badge-bestseller {
  position: absolute;
  top: 18px;
  left: 18px;
  background: #FFFFFF;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Floating Bottom-Right Review Card */
.badge-rating-card {
  position: absolute;
  bottom: 24px;
  right: -16px;
  background: #FFFFFF;
  border-radius: 12px;
  padding: 12px 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(229, 231, 235, 0.6);
}
.avatar-group {
  display: flex;
  align-items: center;
}
.avatar-group img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  margin-left: -8px;
  object-fit: cover;
}
.avatar-group img:first-child {
  margin-left: 0;
}
.rating-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.rating-stars {
  color: var(--gold-star);
  font-size: 13px;
  line-height: 1;
  letter-spacing: 2px;
}
.rating-text {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
}

/* Right: Author Narrative & Stats */
.author-narrative {
  display: flex;
  flex-direction: column;
}
.author-kicker {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blue-primary);
  margin-bottom: 8px;
}
.author-heading {
  font-size: clamp(2rem, 3.2vw, 2.6rem);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 16px;
}
.author-bio-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 28px;
}

.stats-row {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 32px;
}
.stat-col {
  display: flex;
  flex-direction: column;
}
.stat-val {
  font-size: 34px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-sub {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 6px;
}

.author-btn-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Author's Best Book Section (Exact Bokify Layout) */
.best-books-section {
  padding-block: 70px 90px;
  background: #FFFFFF;
}
.center-heading-box {
  text-align: center;
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 50px;
}
.best-books-title {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  display: inline-block;
  position: relative;
}
.curve-word {
  position: relative;
  display: inline-block;
}
.curve-word svg {
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 6px;
  color: var(--blue-primary);
}
.best-books-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* 2-Column Catalog Cards */
.catalog-pair-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}
.catalog-item-card {
  display: flex;
  align-items: center;
  gap: 24px;
}
.catalog-item-thumb {
  width: 150px;
  flex-shrink: 0;
}
.catalog-item-thumb img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.12));
}
.catalog-item-content {
  display: flex;
  flex-direction: column;
}
.catalog-item-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px;
}
.catalog-item-price {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 10px;
}
.catalog-item-summary {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* Audiobook Sample Box */
.audio-card-box {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  gap: 20px;
}
.audio-play-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue-primary);
  color: #FFFFFF;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.15s ease, background 0.15s ease;
}
.audio-play-btn:hover {
  background: var(--blue-hover);
  transform: scale(1.05);
}
.audio-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 20px;
}
.audio-bar {
  width: 3px;
  background: var(--blue-primary);
  border-radius: 2px;
  height: 25%;
  transition: height 0.2s ease;
}
.audio-card-box.is-playing .audio-bar:nth-child(1) { animation: soundBar 0.6s infinite alternate; }
.audio-card-box.is-playing .audio-bar:nth-child(2) { animation: soundBar 0.9s infinite alternate 0.1s; }
.audio-card-box.is-playing .audio-bar:nth-child(3) { animation: soundBar 0.7s infinite alternate 0.2s; }
.audio-card-box.is-playing .audio-bar:nth-child(4) { animation: soundBar 0.5s infinite alternate 0.3s; }
.audio-card-box.is-playing .audio-bar:nth-child(5) { animation: soundBar 0.8s infinite alternate 0.15s; }
@keyframes soundBar { 0% { height: 20%; } 100% { height: 100%; } }

/* Distraction-Free Reader Modal */
.reader-modal {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.reader-modal.is-open {
  display: flex;
}
.reader-dialog {
  background: #FFFFFF;
  color: var(--ink);
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}
.reader-dialog.theme-sepia {
  background: #F4ECD8;
  color: #382C1E;
}
.reader-dialog.theme-dark {
  background: #0F172A;
  color: #E2E8F0;
}
.reader-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.reader-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}
.reader-btn {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--ink-secondary);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.reader-btn.is-active {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: #FFFFFF;
}
.reader-close {
  background: transparent;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--muted);
}
.reader-body {
  padding: 40px 48px;
  overflow-y: auto;
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.8;
}
.reader-dropcap {
  float: left;
  font-size: 4rem;
  line-height: 0.8;
  padding-right: 12px;
  color: var(--blue-primary);
  font-weight: 700;
}
.reader-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Dedicated Product Page Elements */
.formats-selector {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 10px;
}
.format-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.15s ease;
}
.format-card:hover {
  border-color: var(--blue-primary);
}
.format-card.is-active {
  border-color: var(--blue-primary);
  background: var(--blue-subtle);
}
.format-type { font-size: 13px; font-weight: 600; color: var(--ink); }
.format-price { font-size: 14.5px; font-weight: 700; color: var(--blue-primary); }

.retailer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.retailer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  color: var(--ink);
  border: 1px solid var(--border-strong);
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.retailer-primary {
  background: var(--blue-primary) !important;
  color: #FFFFFF !important;
  border-color: var(--blue-primary) !important;
}

/* Interactive Map */
.map-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 36px;
  align-items: center;
}
.map-canvas-wrap {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(17, 24, 39, 0.08);
}
.map-pin {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue-primary);
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  box-shadow: 0 2px 8px rgba(29, 100, 236, 0.4);
}
.map-pin-pulse {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--blue-primary);
  animation: mapPulse 2s infinite;
  pointer-events: none;
}
@keyframes mapPulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}
.map-location-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.map-location-badge {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-primary);
  font-weight: 600;
}

/* Specifications & Acclaim */
.acclaim-item {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
.acclaim-stars {
  color: var(--gold-star);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.acclaim-quote {
  font-family: var(--font-serif);
  font-size: 16px;
  font-style: italic;
  color: var(--ink);
  line-height: 1.6;
  margin: 0 0 10px;
}
.acclaim-cite {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.spec-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: flex;
  flex-direction: column;
}
.spec-list li {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
}
.spec-list li span:first-child { color: var(--muted); }
.spec-list li span:last-child { color: var(--ink); font-weight: 600; }

.discussion-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
}
.discussion-card ol {
  padding-left: 20px;
  margin: 20px 0 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Footer */
.site-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--border);
  padding-block: 48px;
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  color: var(--muted);
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--blue-primary);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .author-grid,
  .catalog-pair-grid,
  .map-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }
  .nav-menu { display: none; }
  .badge-rating-card { right: 10px; bottom: 10px; }
  .reader-body { padding: 24px 20px; }
}