/* ============================================
   Friends Illuminated - Apple-Style CSS
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Colors - Light Mode */
  --color-bg: #FAFAFA;
  --color-bg-secondary: #F5F5F7;
  --color-bg-tertiary: #FFFFFF;
  --color-text: #1D1D1F;
  --color-text-secondary: #86868B;
  --color-text-muted: #6E6E73;
  --color-accent: #D4AF37;
  --color-accent-light: #E8D78B;
  --color-accent-dark: #B8941F;
  --color-link: #0066CC;
  --color-border: rgba(0, 0, 0, 0.1);
  --color-card-bg: rgba(255, 255, 255, 0.8);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-mono: 'SF Mono', Monaco, monospace;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-xxl: 10rem;
  
  /* Transitions */
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.15);
  
  /* Nav height */
  --nav-height: 64px;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg: #000000;
  --color-bg-secondary: #1C1C1E;
  --color-bg-tertiary: #1C1C1E;
  --color-text: #F5F5F7;
  --color-text-secondary: #A1A1A6;
  --color-text-muted: #8E8E93;
  --color-accent: #D4AF37;
  --color-link: #2997FF;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-card-bg: rgba(28, 28, 30, 0.8);
  
  --glass-bg: rgba(28, 28, 30, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--duration-normal) var(--transition-smooth);
}

.nav--scrolled {
  background: rgba(250, 250, 250, 0.95);
}

[data-theme="dark"] .nav--scrolled {
  background: rgba(0, 0, 0, 0.95);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-logo-img {
  height: 40px;
  width: auto;
}

.nav-logo-text {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--duration-fast);
}

.nav-link:hover,
.nav-link--active {
  color: var(--color-text);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--duration-normal) var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link--active::after {
  width: 100%;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: background var(--duration-fast);
}

.theme-toggle:hover {
  background: var(--color-bg-secondary);
}

.theme-icon {
  width: 20px;
  height: 20px;
}

.theme-icon--dark {
  display: none;
}

.theme-icon--light {
  display: block;
}

[data-theme="dark"] .theme-icon--dark {
  display: block;
}

[data-theme="dark"] .theme-icon--light {
  display: none;
}

/* Mobile Menu Toggle */
.nav-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

.nav-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--duration-normal);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--space-lg)) var(--space-md) var(--space-xl);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

/* Hero Covers Marquee */
.hero--covers {
  background: #0c0c0c;
}

.hero-marquee-container {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
  overflow: hidden;
  opacity: 0.4;
}

.hero-marquee-row {
  display: flex;
  gap: 1.5rem;
  width: max-content;
}

.hero-marquee-row--top {
  animation: marqueeScrollLeft 35s linear infinite;
}

.hero-marquee-row--bottom {
  animation: marqueeScrollRight 40s linear infinite;
}

@keyframes marqueeScrollLeft {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes marqueeScrollRight {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.hero-cover {
  flex-shrink: 0;
  width: 200px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.hero-cover img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(12, 12, 12, 0.4) 0%, rgba(12, 12, 12, 0.85) 70%);
  z-index: 1;
}

.hero--covers .hero-content {
  position: relative;
  z-index: 2;
}

.hero--covers .hero-title-main {
  color: #fff;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.hero--covers .hero-title-sub {
  color: var(--color-accent-light);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
}

.hero--covers .hero-description {
  color: rgba(255, 255, 255, 0.75);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}

.hero--covers .hero-scroll-indicator .scroll-mouse {
  border-color: rgba(255, 255, 255, 0.3);
}

.hero--covers .hero-scroll-indicator .scroll-wheel {
  background: rgba(255, 255, 255, 0.3);
}

.button--secondary-light {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.button--secondary-light:hover {
  background: rgba(255, 255, 255, 0.2);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  margin-bottom: var(--space-sm);
}

.hero-title-main {
  display: block;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-xs);
}

.hero-title-sub {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  font-style: italic;
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-md);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-text-secondary);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--color-text-secondary);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.5; transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   BUTTONS
   ============================================ */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 2rem;
  transition: all var(--duration-fast);
  white-space: nowrap;
}

.button--primary {
  background: var(--color-accent);
  color: #000;
}

.button--primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
}

.button--secondary {
  background: rgba(0, 0, 0, 0.05);
  color: var(--color-text);
}

[data-theme="dark"] .button--secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
}

.button--secondary:hover {
  background: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .button--secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.button--ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.button--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.button--large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.button--small {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.button--glow {
  position: relative;
  overflow: visible;
}

.button--glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, var(--color-accent), transparent, var(--color-accent));
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--duration-normal);
  filter: blur(8px);
}

.button--glow:hover::before {
  opacity: 0.5;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: var(--space-xl) var(--space-md);
}

.section--dark {
  background: var(--color-bg-secondary);
}

.section--gradient {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

.section-cta {
  text-align: center;
  margin-top: var(--space-lg);
}

/* ============================================
   FEATURED AUTHORS CAROUSEL
   ============================================ */
.featured-authors {
  padding: var(--space-xxl) var(--space-md);
}

.featured-carousel {
  position: relative;
}

.featured-track {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: var(--space-md);
}

.featured-track::-webkit-scrollbar {
  display: none;
}

.featured-card {
  flex: 0 0 100%;
  max-width: 900px;
  margin: 0 auto;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  scroll-snap-align: center;
}

.featured-card-visual {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.featured-card-image-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-card-image {
  max-height: 350px;
  width: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}

.featured-card-image--book {
  max-height: 380px;
}

.featured-glass {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  border: 1px solid var(--glass-border);
}

.featured-glass-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text);
}

.featured-card-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-card-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.featured-card-years {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.featured-card-bio {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.featured-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-link);
  font-weight: 500;
  transition: gap var(--duration-fast);
}

.featured-card-link:hover {
  gap: 0.75rem;
}

.featured-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.featured-nav-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
}

.featured-nav-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
}

.featured-nav-btn svg {
  width: 20px;
  height: 20px;
}

.featured-dots {
  display: flex;
  gap: 0.5rem;
}

.featured-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  transition: all var(--duration-fast);
}

.featured-dot--active {
  background: var(--color-accent);
  width: 24px;
  border-radius: 4px;
}

/* ============================================
   BOOKS GRID
   ============================================ */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.book-card {
  background: var(--color-bg-tertiary);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-normal), box-shadow var(--duration-normal);
}

.book-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}

.book-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
}

.book-card-cover {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.book-card-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.book-card--featured .book-card-cover {
  aspect-ratio: auto;
  min-height: 400px;
}

.book-card-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: var(--color-accent);
  color: #000;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
}

.book-card-content {
  padding: var(--space-md);
}

.book-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.book-card-author {
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.book-card-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.book-card-meta {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.book-card-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.book-card-actions {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

/* Quality Promise Section */
.quality-promise {
  padding: var(--space-xxl) var(--space-md);
}

.quality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.quality-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: block;
}

.quality-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.quality-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.quality-features {
  margin-bottom: var(--space-md);
}

.quality-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.quality-feature-icon {
  color: var(--color-accent);
  font-weight: 700;
}

.quality-visual {
  perspective: 1000px;
}

.quality-book-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  border-radius: 12px;
  display: flex;
  padding: var(--space-sm);
  gap: var(--space-xs);
  transform-style: preserve-3d;
  transform: rotateY(-15deg);
  transition: transform var(--duration-slow);
}

.quality-book-preview:hover {
  transform: rotateY(0deg);
}

.quality-book-spine {
  width: 8px;
  background: linear-gradient(90deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
  border-radius: 4px 0 0 4px;
}

.quality-page {
  flex: 1;
  background: #f5f0e6;
  border-radius: 0 4px 4px 0;
  padding: var(--space-sm);
}

.quality-page-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.quality-page-text {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  line-height: 1.6;
  color: #333;
}

.quality-page-text--old {
  font-size: 0.75rem;
  letter-spacing: -0.02em;
}

.quality-page-text--new {
  font-size: 0.8rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-secondary);
  padding: var(--space-xl) var(--space-md) var(--space-md);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand {
  max-width: 250px;
}

.footer-logo {
  height: 60px;
  margin-bottom: var(--space-xs);
}

.footer-tagline {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
  justify-content: flex-end;
}

.footer-column h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.footer-column li {
  margin-bottom: 0.5rem;
}

.footer-column a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color var(--duration-fast);
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
[data-scroll-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--transition-smooth),
              transform var(--duration-slow) var(--transition-smooth);
}

[data-scroll-animate].animate-in {
  opacity: 1;
  transform: translateY(0);
}

[data-scroll-animate].animate-out {
  opacity: 0;
  transform: translateY(-20px);
}

/* Stagger delays */
[data-scroll-animate]:nth-child(1) { transition-delay: 0ms; }
[data-scroll-animate]:nth-child(2) { transition-delay: 100ms; }
[data-scroll-animate]:nth-child(3) { transition-delay: 200ms; }
[data-scroll-animate]:nth-child(4) { transition-delay: 300ms; }
[data-scroll-animate]:nth-child(5) { transition-delay: 400ms; }

/* ============================================
   PAGE HERO
   ============================================ */
.page-hero {
  padding: calc(var(--nav-height) + var(--space-xl)) var(--space-md) var(--space-xl);
  text-align: center;
  background: var(--color-bg);
}

/* Video hero variant — full-bleed background */
.page-hero.page-hero--video {
  position: relative;
  overflow: hidden;
  min-height: 50vh;
  padding: calc(var(--nav-height) + var(--space-xl)) var(--space-md) var(--space-xl);
  background: #0c0c0c;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-hero--video .page-hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}

.page-hero--video .page-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.7) 100%);
  z-index: 1;
}

.page-hero--video .page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero--video .page-hero-title {
  color: #fff;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.6);
}

.page-hero--video .page-hero-description {
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
}

.page-hero--books {
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

.page-hero--authors {
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

.page-hero--timeline {
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.1) 0%, var(--color-bg) 100%);
}

.page-hero--relationships {
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

.page-hero--history {
  background: linear-gradient(180deg, rgba(139, 115, 85, 0.1) 0%, var(--color-bg) 100%);
}

.page-hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.page-hero-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   TIMELINE MINI
   ============================================ */
.timeline-mini {
  position: relative;
  padding: var(--space-md) 0;
}

.timeline-mini-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent) 30%, var(--color-accent) 70%, transparent 100%);
}

.timeline-mini-events {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.timeline-mini-event {
  text-align: center;
  background: var(--color-bg);
  padding: 0 var(--space-xs);
}

.timeline-mini-year {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.timeline-mini-label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text);
}

/* ============================================
   NEWSLETTER
   ============================================ */
.newsletter {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
}

.newsletter-content {
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.newsletter-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.newsletter-input-group {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.newsletter-input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  background: var(--color-bg-tertiary);
  color: var(--color-text);
  font-size: 1rem;
  transition: border-color var(--duration-fast);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.newsletter-disclaimer {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .featured-card {
    grid-template-columns: 1fr;
  }
  
  .featured-card-content {
    padding: var(--space-md);
  }
  
  .quality-grid {
    grid-template-columns: 1fr;
  }
  
  .quality-visual {
    order: -1;
  }
  
  .book-card--featured {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-cover {
    width: 140px;
  }

  .hero-cover img {
    height: 200px;
  }

  .hero-marquee-container {
    gap: 1rem;
  }

  .hero-marquee-row {
    gap: 1rem;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  
  .nav-menu--open {
    display: flex;
  }
  
  .nav-menu-toggle {
    display: flex;
  }
  
  .nav-container {
    padding: 0 var(--space-sm);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .books-grid {
    grid-template-columns: 1fr;
  }
  
  .newsletter-input-group {
    flex-direction: column;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}