/* ==========================================================================
   Éditions Octogonales - Design System & Styles Principaux
   Typographie : Cinzel, Playfair Display & Plus Jakarta Sans
   Palette : Noir encre profond, or chaud champagne, émeraude & blanc d'édition
   ========================================================================== */

:root {
  --bg-primary: #0a0d0d;
  --bg-secondary: #121616;
  --bg-card: #181d1d;
  --bg-card-hover: #202727;
  --text-main: #f8f6f0;
  --text-muted: #abb3b0;
  --text-dim: #717c78;
  
  --accent-gold: #d4a359;
  --accent-gold-light: #f3cf8a;
  --accent-gold-dark: #a87934;
  --accent-gold-glow: rgba(212, 163, 89, 0.28);
  
  --brand-green: #143023;
  --brand-green-light: #234d39;
  
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-gold: rgba(212, 163, 89, 0.35);
  --border-gold-strong: rgba(212, 163, 89, 0.65);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-title: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 24px 50px rgba(0, 0, 0, 0.7), 0 0 30px var(--accent-gold-glow);
  --shadow-book: 0 20px 40px rgba(0, 0, 0, 0.65), 0 2px 10px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 35px rgba(212, 163, 89, 0.25);
  
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Texture de fond subtile */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: radial-gradient(rgba(212, 163, 89, 0.03) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 90%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 13, 13, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(10, 13, 13, 0.96);
  border-bottom-color: var(--border-gold);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  width: 44px;
  height: 44px;
  color: var(--accent-gold);
  transition: var(--transition-smooth);
}

.brand-logo:hover .brand-icon {
  transform: rotate(45deg);
  color: var(--accent-gold-light);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: #fff;
}

.brand-subtitle {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition-smooth);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: var(--transition-smooth);
}

.nav-links a:hover {
  color: #fff;
}

.nav-links a:hover::after {
  width: 100%;
}

.btn-nav {
  padding: 0.6rem 1.3rem;
  border: 1px solid var(--accent-gold);
  border-radius: var(--radius-sm);
  color: var(--accent-gold) !important;
  font-weight: 600 !important;
  background: transparent;
  transition: var(--transition-smooth);
}

.btn-nav::after {
  display: none !important;
}

.btn-nav:hover {
  background: var(--accent-gold);
  color: #000 !important;
  box-shadow: 0 0 20px var(--accent-gold-glow);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 170px 0 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 65% 20%, rgba(212, 163, 89, 0.12) 0%, transparent 55%),
              radial-gradient(circle at 15% 85%, rgba(20, 48, 35, 0.2) 0%, transparent 60%);
}

.hero-bg-accent {
  position: absolute;
  top: -150px;
  right: -100px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(212, 163, 89, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(212, 163, 89, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--accent-gold-light);
  padding: 0.45rem 1.1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-gold);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5.2vw, 4.4rem);
  line-height: 1.14;
  font-weight: 700;
  margin-bottom: 1.4rem;
  letter-spacing: -0.015em;
}

.hero-title span {
  background: linear-gradient(135deg, #fff 25%, var(--accent-gold-light) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 2.2rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  margin-bottom: 3rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-gold);
  color: #111;
  padding: 0.95rem 1.85rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition-smooth);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px var(--accent-gold-glow);
}

.btn-primary:hover {
  background: var(--accent-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 26px var(--accent-gold-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-main);
  padding: 0.95rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.25);
}

/* Stats bar */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 38px;
  background-color: var(--border-subtle);
}

/* Feature Frame Hero */
.hero-book-showcase {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-feature-frame {
  position: relative;
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
  border: 1px solid var(--border-gold);
  background: var(--bg-card);
  transition: var(--transition-smooth);
}

.hero-feature-frame:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: var(--accent-gold-light);
}

.hero-feature-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.hero-feature-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(10, 13, 13, 0.95) 10%, rgba(10, 13, 13, 0.4) 70%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.overlay-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.overlay-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: #fff;
}

/* ==========================================================================
   SECTION L'ART DE L'OBJET LIVRE (LIFESTYLE MOCKUPS)
   ========================================================================== */
.lifestyle-section {
  padding: 110px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.lifestyle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.lifestyle-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.lifestyle-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-gold);
  box-shadow: var(--shadow-card-hover);
}

.lifestyle-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.lifestyle-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.lifestyle-card:hover .lifestyle-img-wrap img {
  transform: scale(1.04);
}

.lifestyle-badge {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: rgba(10, 13, 13, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-gold);
  color: var(--accent-gold-light);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
}

.lifestyle-body {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.lifestyle-category {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.6rem;
}

.lifestyle-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  color: #fff;
  margin-bottom: 0.9rem;
  line-height: 1.3;
}

.lifestyle-text {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 1.8rem;
  flex-grow: 1;
}

.lifestyle-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.86rem;
  color: var(--text-dim);
}

.link-arrow {
  color: var(--accent-gold);
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition-smooth);
}

.link-arrow:hover {
  color: var(--accent-gold-light);
  transform: translateX(3px);
}

/* ==========================================================================
   CATALOGUE DES LIVRES
   ========================================================================== */
.catalog-section {
  padding: 110px 0;
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-gold);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.8vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.catalog-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.55rem 1.3rem;
  border-radius: 50px;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--accent-gold);
  color: #111;
  border-color: var(--accent-gold);
  font-weight: 600;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2.5rem;
}

.book-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.book-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-gold);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-gold-glow);
}

.book-cover-wrap {
  background: radial-gradient(circle at center, rgba(212, 163, 89, 0.08), transparent 75%);
  padding: 2.5rem 2rem 1.8rem;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  transition: transform 0.2s ease-out;
}

.book-cover-img {
  width: 210px;
  height: 310px;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: var(--shadow-book);
  transition: var(--transition-smooth);
}

.book-card:hover .book-cover-img {
  transform: scale(1.03);
}

.book-tag {
  position: absolute;
  top: 1.2rem;
  left: 1.2rem;
  background: rgba(14, 17, 17, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  color: var(--accent-gold-light);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.book-body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.book-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.book-edition-pill {
  font-size: 0.76rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.book-price-tag {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.book-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  line-height: 1.3;
  margin-bottom: 0.4rem;
  color: #fff;
}

.book-subtitle {
  font-size: 0.88rem;
  color: var(--accent-gold-light);
  margin-bottom: 1.1rem;
  font-style: italic;
  line-height: 1.4;
}

.book-blurb {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.btn-book-details {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
}

.btn-book-details:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-book-buy {
  background: var(--accent-gold);
  color: #111;
  border: 1px solid var(--accent-gold);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition-smooth);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-book-buy:hover {
  background: var(--accent-gold-light);
  box-shadow: 0 4px 15px var(--accent-gold-glow);
}

/* ==========================================================================
   SECTION LA TRILOGIE DE LA PROSPÉRITÉ LUCIDE
   ========================================================================== */
.trilogy-section {
  padding: 90px 0;
  background: var(--bg-secondary);
  position: relative;
}

.trilogy-banner {
  background: linear-gradient(135deg, rgba(20, 48, 35, 0.5) 0%, rgba(24, 29, 29, 0.9) 60%, rgba(212, 163, 89, 0.1) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 4.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.trilogy-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 163, 89, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.trilogy-pill {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-gold);
  background: rgba(212, 163, 89, 0.12);
  border: 1px solid var(--border-gold);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 1.2rem;
}

.trilogy-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  font-weight: 700;
  margin-bottom: 1.2rem;
  line-height: 1.2;
}

.trilogy-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.trilogy-steps {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.t-step {
  background: rgba(10, 13, 13, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  flex: 1;
  min-width: 130px;
}

.t-num {
  display: block;
  font-size: 0.72rem;
  color: var(--accent-gold);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.t-step h4 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 2px;
}

.t-step p {
  font-size: 0.76rem;
  color: var(--text-dim);
}

.t-arrow {
  color: var(--accent-gold);
  font-size: 1.2rem;
  font-weight: 700;
}

.trilogy-cta-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn-gold-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
  color: #111;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: 0 4px 20px var(--accent-gold-glow);
  transition: var(--transition-smooth);
}

.btn-gold-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-gold-glow);
}

.trilogy-note {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Visuel des 3 livres en éventail */
.trilogy-pack-visual {
  position: relative;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.t-book {
  position: absolute;
  width: 180px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-book);
  transition: var(--transition-smooth);
}

.t-book img {
  width: 100%;
  display: block;
}

.t-book.b1 {
  transform: translateX(-80px) translateY(15px) rotate(-8deg);
  z-index: 1;
  opacity: 0.9;
}

.t-book.b2 {
  transform: translateX(0) translateY(0) scale(1.05);
  z-index: 3;
}

.t-book.b3 {
  transform: translateX(80px) translateY(15px) rotate(8deg);
  z-index: 2;
  opacity: 0.9;
}

.trilogy-pack-visual:hover .t-book.b1 {
  transform: translateX(-110px) translateY(20px) rotate(-14deg);
}

.trilogy-pack-visual:hover .t-book.b2 {
  transform: translateX(0) translateY(-10px) scale(1.1);
}

.trilogy-pack-visual:hover .t-book.b3 {
  transform: translateX(110px) translateY(20px) rotate(14deg);
}

/* ==========================================================================
   MAISON D'ÉDITION / MANIFESTE
   ========================================================================== */
.about-section {
  padding: 120px 0;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4.5rem;
  align-items: center;
}

.about-manifesto h3 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

.about-manifesto p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.4rem;
  line-height: 1.8;
}

.octo-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.2rem;
}

.pillar-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition-smooth);
}

.pillar-item:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
}

.pillar-num {
  font-family: var(--font-title);
  font-size: 1.4rem;
  color: var(--accent-gold);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.pillar-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: #fff;
}

.pillar-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.octo-symbol-large {
  width: 320px;
  height: 320px;
  color: var(--accent-gold);
  opacity: 0.85;
  filter: drop-shadow(0 0 40px rgba(212, 163, 89, 0.2));
  animation: slowPulse 8s ease-in-out infinite alternate;
}

@keyframes slowPulse {
  0% { transform: scale(0.98) rotate(0deg); opacity: 0.75; }
  100% { transform: scale(1.02) rotate(10deg); opacity: 0.95; }
}

/* ==========================================================================
   AUTEUR
   ========================================================================== */
.author-section {
  padding: 110px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.author-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3.5rem;
  align-items: center;
  box-shadow: var(--shadow-card);
}

.author-photo-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-book);
  border: 2px solid var(--border-gold);
}

.author-photo-frame img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.author-role {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-gold);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.author-name {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: #fff;
}

.author-bio {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.4rem;
}

.author-creds {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.8rem;
}

.cred-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-main);
}

.cred-item svg {
  color: var(--accent-gold);
}

.btn-author-amazon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-gold);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.btn-author-amazon:hover {
  color: var(--accent-gold-light);
  transform: translateX(4px);
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-section {
  padding: 110px 0;
}

.contact-box {
  background: linear-gradient(145deg, var(--bg-card), rgba(28, 34, 34, 0.6));
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 4.5rem;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
}

.contact-email-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(212, 163, 89, 0.12);
  border: 1px solid var(--border-gold);
  color: var(--accent-gold-light);
  padding: 0.85rem 1.8rem;
  border-radius: 50px;
  font-size: 1.25rem;
  font-family: var(--font-serif);
  font-weight: 600;
  margin: 1.8rem 0;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.contact-email-badge:hover {
  background: var(--accent-gold);
  color: #111;
  transform: scale(1.03);
  box-shadow: 0 0 25px var(--accent-gold-glow);
}

.contact-note {
  font-size: 0.92rem;
  color: var(--text-dim);
  max-width: 520px;
  margin: 0 auto;
}

/* ==========================================================================
   MODAL DE DÉTAIL & EXTRAIT
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  max-width: 860px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 3rem;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal-close:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.modal-cover-img {
  width: 100%;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-book);
}

.modal-info h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 0.4rem;
  line-height: 1.2;
}

.modal-subtitle {
  color: var(--accent-gold);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
}

.modal-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

.modal-spec-item span {
  color: var(--text-dim);
}

/* Tabs */
.modal-tabs {
  display: flex;
  gap: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.4rem;
}

.modal-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.6rem 0.4rem;
  cursor: pointer;
  position: relative;
  transition: var(--transition-smooth);
}

.modal-tab-btn.active {
  color: var(--accent-gold-light);
}

.modal-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-gold);
}

.modal-full-blurb {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.modal-full-blurb p {
  margin-bottom: 0.9rem;
}

/* Style de l'extrait */
.excerpt-badge {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  background: rgba(212, 163, 89, 0.1);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.excerpt-quote {
  border-left: 3px solid var(--accent-gold);
  padding-left: 1.2rem;
  font-style: italic;
  font-family: var(--font-serif);
  color: #fff;
  line-height: 1.85;
}

.modal-footer-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.modal-prime-note {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ==========================================================================
   PIED DE PAGE
   ========================================================================== */
.site-footer {
  background: #060808;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 35px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-book-showcase {
    margin-top: 1.5rem;
  }
  .lifestyle-grid {
    grid-template-columns: 1fr;
  }
  .trilogy-banner {
    grid-template-columns: 1fr;
    padding: 3rem 2rem;
  }
  .trilogy-pack-visual {
    height: 300px;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .author-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2.5rem;
  }
  .author-photo-frame {
    max-width: 240px;
    margin: 0 auto;
  }
  .author-creds {
    justify-content: center;
  }
  .modal-content {
    grid-template-columns: 1fr;
    padding: 2rem;
  }
  .modal-cover-img {
    max-width: 200px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .contact-box {
    padding: 2.5rem 1.5rem;
  }
  .contact-email-badge {
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
  }
  .books-grid {
    grid-template-columns: 1fr;
  }
  .trilogy-steps {
    flex-direction: column;
    align-items: stretch;
  }
  .t-arrow {
    text-align: center;
    transform: rotate(90deg);
  }
}