/* ══════════════════════════════════════════════════════════════════════════════
   MANIFESTE DE LA CONTRIBUABILITÉ — Feuille de style
   Direction : éditorial moderne, noir et blanc, mockup livre central.
══════════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Manrope:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --blanc: #FFFFFF;
  --blanc-casse: #F8F6EE;        /* ivoire papier offset, moins crème */
  --gris-tres-clair: #F1EEE5;
  --gris-clair: #E5E1D6;
  --gris-bordure: #D5D0C2;
  --gris: #8A857A;
  --gris-fonce: #4A4744;
  --noir-doux: #1A1716;
  --noir: #0A0807;

  --display: 'Cormorant Garamond', 'Times New Roman', serif;
  --titre: 'Manrope', system-ui, sans-serif;
  --texte: 'Inter', system-ui, sans-serif;

  --max-width: 1280px;
  --gutter: clamp(1.5rem, 5vw, 3.5rem);
  --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--texte);
  font-weight: 400;
  line-height: 1.6;
  color: var(--noir-doux);
  /* Fond ivoire très léger + grain papier offset (SVG turbulence) */
  background-color: var(--blanc-casse);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' seed='4' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.045 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ─── NAVIGATION ─────────────────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 0;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

#nav.scrolled {
  background: rgba(250, 248, 242, 0.96);
  border-bottom-color: var(--gris-clair);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--titre);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--noir);
}

.nav-logo-mark {
  width: 28px; height: 28px;
  background: var(--noir);
  color: var(--blanc-casse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--titre);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gris-fonce);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--noir); }

.btn-nav {
  background: var(--noir);
  color: var(--blanc-casse);
  padding: 0.7rem 1.3rem;
  font-family: var(--titre);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition);
}
.btn-nav:hover {
  background: var(--noir-doux);
  transform: translateY(-1px);
}
.btn-nav .btn-icon { width: 14px; height: 14px; }

#nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

#nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--noir);
  margin: 5px 0;
}

/* ─── BOUTONS ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--titre);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 1rem 2rem;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  transition: all var(--transition);
  text-align: center;
  letter-spacing: -0.005em;
}

.btn-primary {
  background: var(--noir);
  color: var(--blanc-casse);
}
.btn-primary:hover {
  background: var(--noir-doux);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(10, 8, 7, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--noir);
  border: 1.5px solid var(--noir);
}
.btn-outline:hover {
  background: var(--noir);
  color: var(--blanc-casse);
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  background: var(--blanc-casse);
  color: var(--noir);
  border-radius: 50%;
  font-size: 0.85rem;
  transition: transform var(--transition);
}
.btn-primary:hover .btn-arrow { transform: translateX(3px); }

/* ─── Bannière mode vacances ─────────────────────────────────────────────── */
.banniere-vacances {
  position: relative;
  background: var(--noir);
  color: var(--blanc-casse);
  padding: 0.7rem var(--gutter);
  text-align: center;
  font-family: var(--texte);
  font-size: 0.85rem;
  letter-spacing: 0.01em;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.banniere-vacances[hidden] { display: none; }

.banniere-vacances-icone {
  font-family: var(--display);
  color: rgba(250, 248, 242, 0.6);
}

/* Bannière "lien magique appliqué" */
.banniere-promo {
  position: relative;
  background: linear-gradient(90deg, #FFF7E0 0%, #FAF8F2 100%);
  color: #6B4F0E;
  padding: 0.65rem var(--gutter);
  text-align: center;
  font-family: var(--texte);
  font-size: 0.88rem;
  font-weight: 500;
  z-index: 89;
  border-bottom: 1px solid #E8D8A0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}
.banniere-promo[hidden] { display: none; }
.banniere-promo-icone {
  font-family: var(--display);
  color: #C29D27;
  font-size: 1.1rem;
}

/* Formulaire liste d'attente */
.formulaire-waitlist {
  max-width: 480px;
  margin: 1.5rem auto 0;
  background: var(--blanc);
  border: 1px solid var(--gris-clair);
  border-radius: 12px;
  padding: 1.8rem 2rem;
}
.formulaire-waitlist[hidden] { display: none; }

.waitlist-intro {
  font-family: var(--display);
  font-style: italic;
  font-size: 1rem;
  color: var(--gris-fonce);
  margin-bottom: 1.2rem;
  text-align: center;
}

.waitlist-ligne {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
}

.waitlist-ligne input {
  font-family: var(--texte);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--gris-clair);
  background: var(--blanc-casse);
  border-radius: 8px;
  outline: none;
}
.waitlist-ligne input:focus { border-color: var(--noir); }

.waitlist-status {
  margin-top: 1rem;
  text-align: center;
  font-family: var(--texte);
  font-size: 0.88rem;
}
.waitlist-status[hidden] { display: none; }
.waitlist-status.succes { color: var(--rouge); }
.waitlist-status.erreur { color: #C73E2D; }

@media (max-width: 600px) {
  .waitlist-ligne { grid-template-columns: 1fr; }
}

/* ─── HERO — fond papier offset ivoire très léger ────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 0 4rem;  /* horizontale gérée par .hero-grid pour l'alignement */
  position: relative;
}

.hero-grid {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);  /* aligné sur les autres sections (.container) */
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  position: relative;
}

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

.hero-eyebrow {
  font-family: var(--titre);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--gris);
}

.hero-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(3.2rem, 7vw, 6rem);
  line-height: 0.96;
  letter-spacing: -0.012em;
  color: var(--noir);
  margin-bottom: 1.5rem;
}
.hero-title em {
  font-style: italic;
  font-weight: 400;
  font-size: 0.55em;
  display: block;
  color: var(--gris-fonce);
  margin: 0.3em 0 0.1em 0.5em;
  letter-spacing: 0.005em;
}

.hero-subtitle {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--gris-fonce);
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-desc {
  font-family: var(--texte);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--gris-fonce);
  max-width: 44ch;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: 3rem;
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gris-clair);
}

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

.hero-stat-value {
  font-family: var(--display);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--noir);
  letter-spacing: -0.01em;
}

.hero-stat-label {
  font-family: var(--titre);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gris);
}

.hero-book-zone {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 540px;
}

/* ════════════════════════════════════════════════════════════════════════════
   MOCKUP DU LIVRE — Frontal, ombrage profond
════════════════════════════════════════════════════════════════════════════ */
.livre-mockup {
  width: 100%;
  max-width: 400px;       /* + grand qu'avant (320 → 400) pour équilibrer le bloc texte */
  margin: 0 auto;
  position: relative;
}

.livre-cover {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  /* Ombre portée projetée vers le bas (lumière venant d'au-dessus).
     Décalage Y croissant + flou progressif → impression d'épaisseur,
     halo d'ombre au sol décalé sous le livre. */
  box-shadow:
    0 6px 12px rgba(20, 18, 14, 0.05),
    0 18px 30px rgba(20, 18, 14, 0.07),
    0 40px 60px rgba(20, 18, 14, 0.09),
    0 75px 110px rgba(20, 18, 14, 0.10),
    0 120px 170px rgba(20, 18, 14, 0.06);
}

/* Fallback si la couverture n'est pas encore déposée */
.livre-fallback {
  display: none;
  width: 100%;
  aspect-ratio: 1200 / 1786;
  background: var(--blanc);
  border: 1px solid var(--gris-bordure);
  flex-direction: column;
  justify-content: space-between;
  padding: 14% 10%;
  text-align: center;
  font-family: var(--display);
  box-shadow:
    0 4px 8px rgba(10, 8, 7, 0.06),
    0 14px 30px rgba(10, 8, 7, 0.10),
    0 32px 64px rgba(10, 8, 7, 0.13);
}
.fb-titre-haut, .fb-titre-bas {
  font-size: 1.4rem;
  letter-spacing: 0.1em;
  font-weight: 400;
  text-transform: uppercase;
  line-height: 1;
}
.fb-italique {
  font-style: italic;
  font-size: 0.85rem;
  color: var(--gris-fonce);
  margin: 0.5rem 0;
}
.fb-auteur {
  font-family: var(--texte);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ─── SECTIONS ────────────────────────────────────────────────────────────── */
.section {
  padding: clamp(5rem, 10vw, 8rem) var(--gutter);
  position: relative;
}

.section-eyebrow {
  font-family: var(--titre);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: currentColor;
}

.section-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--noir);
  margin-bottom: 1.5rem;
}

.section-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--gris-fonce);
}

.section-lead {
  font-family: var(--texte);
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--gris-fonce);
  max-width: 60ch;
  margin-bottom: 3rem;
}

/* ─── LE LIVRE ────────────────────────────────────────────────────────────── */
#le-livre {
  background: var(--blanc);
  border-top: 1px solid var(--gris-clair);
}

.livre-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: end;
  margin-bottom: 4rem;
}

.livre-header-explore {
  font-family: var(--titre);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--noir);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition);
}
.livre-header-explore:hover { gap: 1rem; }
.livre-header-explore .arrow {
  width: 36px; height: 1px;
  background: var(--noir);
  position: relative;
}
.livre-header-explore .arrow::after {
  content: '';
  position: absolute;
  right: 0; top: -3px;
  width: 7px; height: 7px;
  border-top: 1px solid var(--noir);
  border-right: 1px solid var(--noir);
  transform: rotate(45deg);
}

.livre-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.livre-carte {
  background: var(--blanc-casse);
  border: 1px solid var(--gris-clair);
  padding: 2.5rem;
  border-radius: 16px;
  transition: all var(--transition);
}

.livre-carte:hover {
  border-color: var(--gris-bordure);
  transform: translateY(-2px);
  box-shadow: 0 20px 40px -20px rgba(10, 8, 7, 0.1);
}

.livre-carte-titre {
  font-family: var(--titre);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--noir);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.livre-carte-texte {
  font-family: var(--texte);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--gris-fonce);
}

.livre-carte-texte p { margin-bottom: 1rem; }
.livre-carte-texte p:last-child { margin-bottom: 0; }

.livre-fiche {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding: 2rem 0;
  border-top: 1px solid var(--gris-clair);
  border-bottom: 1px solid var(--gris-clair);
}

.livre-fiche-item { display: flex; flex-direction: column; gap: 0.3rem; }

.livre-fiche-label {
  font-family: var(--titre);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
}

.livre-fiche-value {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--noir);
  letter-spacing: -0.01em;
}

/* ════════════════════════════════════════════════════════════════════════════
   EXTRAIT — Illustration en background, citation centrée
════════════════════════════════════════════════════════════════════════════ */
#extrait {
  position: relative;
  min-height: 90vh;
  background: var(--noir);
  color: var(--blanc-casse);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: clamp(5rem, 10vw, 8rem) var(--gutter);
}

.extrait-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 1;
  opacity: 0.55;
}

.extrait-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg,
    rgba(10, 8, 7, 0.45) 0%,
    rgba(10, 8, 7, 0.5) 40%,
    rgba(10, 8, 7, 0.7) 100%);
}

.extrait-bg-fallback {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-style: italic;
  color: rgba(250, 248, 242, 0.3);
  text-align: center;
  padding: 2rem;
}

.extrait-contenu {
  position: relative;
  z-index: 3;
  max-width: 760px;
  text-align: center;
}

.extrait-eyebrow {
  font-family: var(--titre);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250, 248, 242, 0.7);
  margin-bottom: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}
.extrait-eyebrow::before, .extrait-eyebrow::after {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: rgba(250, 248, 242, 0.5);
}

.extrait-citation {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.5rem, 2.8vw, 2.6rem);
  line-height: 1.42;
  color: var(--blanc-casse);
  margin-bottom: 2.5rem;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.extrait-citation::before { content: '«'; margin-right: 0.3rem; opacity: 0.7; font-style: normal; }
.extrait-citation::after  { content: '»'; margin-left: 0.3rem; opacity: 0.7; font-style: normal; }

.extrait-source {
  font-family: var(--titre);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(250, 248, 242, 0.7);
}

/* ─── L'AUTEUR ────────────────────────────────────────────────────────────── */
#auteur {
  background: var(--blanc-casse);
}

.auteur-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.2fr;
  gap: clamp(3rem, 7vw, 6rem);
  align-items: center;
}

.auteur-photo-wrap { position: relative; }

.auteur-photo {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  border-radius: 8px;
  transition: filter 0.6s ease;
}
.auteur-photo:hover { filter: grayscale(70%) contrast(1.05); }

.auteur-photo-fallback {
  width: 100%;
  aspect-ratio: 4/5;
  background: var(--gris-tres-clair);
  border: 1px dashed var(--gris-bordure);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  color: var(--gris);
  font-family: var(--texte);
  font-size: 0.85rem;
}

.auteur-name {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}

.auteur-name em {
  font-style: italic;
  font-weight: 400;
  color: var(--gris-fonce);
}

.auteur-bio {
  font-family: var(--texte);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--gris-fonce);
}
.auteur-bio p { margin-bottom: 1.2rem; }
.auteur-bio p:last-child { margin-bottom: 0; }

/* ─── COMMANDER ───────────────────────────────────────────────────────────── */
#commander {
  background: var(--blanc);
  border-top: 1px solid var(--gris-clair);
}

.commander-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: start;
}

.commander-section { margin-top: 2.5rem; }
.commander-section:first-child { margin-top: 0; }

.commander-section-titre {
  font-family: var(--titre);
  font-weight: 700;
  font-size: 1rem;
  color: var(--noir);
  margin-bottom: 1.3rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--gris-clair);
  letter-spacing: -0.005em;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

.field label {
  font-family: var(--titre);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gris-fonce);
  margin-bottom: 0.4rem;
  letter-spacing: -0.005em;
}

.field label .opt { color: var(--gris); font-weight: 400; }

.field input,
.field select,
.field textarea {
  font-family: var(--texte);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--noir);
  background: var(--blanc-casse);
  border: 1px solid var(--gris-clair);
  padding: 0.85rem 1rem;
  outline: none;
  transition: all var(--transition);
  border-radius: 8px;
  -webkit-appearance: none;
  appearance: none;
}

.field input:hover,
.field select:hover,
.field textarea:hover { border-color: var(--gris-bordure); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--noir);
  background: var(--blanc);
}

.field-select { position: relative; }
.field-select select { padding-right: 2.5rem; cursor: pointer; }
.field-select::after {
  content: '';
  position: absolute;
  right: 1.1rem;
  bottom: 1.15rem;
  width: 7px; height: 7px;
  border-right: 1.5px solid var(--gris-fonce);
  border-bottom: 1.5px solid var(--gris-fonce);
  transform: rotate(45deg);
  pointer-events: none;
}

.field input.error,
.field select.error { border-color: #C73E2D; }

.field .error-msg {
  font-size: 0.78rem;
  color: #C73E2D;
  margin-top: 0.3rem;
  display: none;
  font-family: var(--texte);
}
.field .error-msg.visible { display: block; }

/* Récapitulatif */
.recap {
  background: var(--noir);
  color: var(--blanc-casse);
  padding: 2.2rem;
  border-radius: 16px;
  position: sticky;
  top: 6rem;
  box-shadow: 0 25px 50px -20px rgba(10, 8, 7, 0.3);
}

.recap-titre {
  font-family: var(--titre);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(250, 248, 242, 0.15);
  letter-spacing: -0.005em;
}

.recap-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.7rem;
  font-family: var(--texte);
  font-size: 0.9rem;
}

.recap-label { color: rgba(250, 248, 242, 0.7); }
.recap-value { font-weight: 600; font-variant-numeric: tabular-nums; }

.recap-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(250, 248, 242, 0.15);
}

.recap-total .recap-label {
  font-family: var(--titre);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blanc-casse);
}

.recap-total .recap-value {
  font-family: var(--display);
  font-size: 2rem;
  letter-spacing: -0.01em;
  font-weight: 500;
}

.recap-securite {
  margin-top: 1.5rem;
  font-family: var(--texte);
  font-size: 0.78rem;
  color: rgba(250, 248, 242, 0.5);
  text-align: center;
  line-height: 1.5;
}

.btn-validate {
  width: 100%;
  margin-top: 1.5rem;
  background: var(--blanc-casse);
  color: var(--noir);
  font-family: var(--titre);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 1.1rem 1.5rem;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  transition: all var(--transition);
}
.btn-validate:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

#zone-paiement-msg { margin-top: 1rem; }

.paiement-erreur {
  background: rgba(199, 62, 45, 0.15);
  border: 1px solid #C73E2D;
  color: #FF8B7E;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-family: var(--texte);
  font-size: 0.85rem;
  line-height: 1.5;
}

.mode-test-banniere {
  background: rgba(250, 248, 242, 0.08);
  border: 1px solid rgba(250, 248, 242, 0.15);
  padding: 1rem 1.2rem;
  border-radius: 8px;
  margin-bottom: 1.2rem;
  font-family: var(--texte);
  font-size: 0.82rem;
  line-height: 1.55;
  color: rgba(250, 248, 242, 0.85);
}

.mode-test-banniere strong {
  color: var(--blanc-casse);
  font-weight: 700;
}

.mode-test-banniere code {
  background: rgba(250, 248, 242, 0.12);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  font-size: 0.85em;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

.epuise-message {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--gris-tres-clair);
  border: 1px dashed var(--gris-bordure);
  border-radius: 12px;
  font-family: var(--display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--gris-fonce);
}

#confirmation-commande {
  display: none;
  text-align: center;
  padding: 5rem 2rem;
  max-width: 600px;
  margin: 0 auto;
}
#confirmation-commande.visible { display: block; }

.confirmation-icon {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: var(--noir);
  color: var(--blanc-casse);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 2rem;
}

.confirmation-title {
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 500;
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}

.confirmation-text {
  font-family: var(--texte);
  font-size: 1.05rem;
  color: var(--gris-fonce);
  line-height: 1.7;
  max-width: 50ch;
  margin: 0 auto;
}

/* ─── CONTACT ─────────────────────────────────────────────────────────────── */
#contact {
  background: var(--gris-tres-clair);
}

.contact-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}

.contact-info {
  position: sticky;
  top: 6rem;
}

.contact-intro {
  font-family: var(--texte);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--gris-fonce);
  max-width: 36ch;
}
.contact-intro p { margin-bottom: 1rem; }
.contact-intro p:last-child { margin-bottom: 0; }

.contact-method {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gris-bordure);
}

.contact-method-label {
  font-family: var(--titre);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 0.4rem;
}

.contact-method-value {
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--noir);
}

#formulaire-contact {
  background: var(--blanc);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--gris-clair);
}

#formulaire-contact textarea { min-height: 140px; resize: vertical; }

.message-success {
  display: none;
  margin-top: 1rem;
  padding: 1.2rem 1.4rem;
  background: var(--noir);
  color: var(--blanc-casse);
  font-family: var(--texte);
  font-size: 0.92rem;
  border-radius: 8px;
}
.message-success.visible { display: block; }

/* ─── FOOTER ──────────────────────────────────────────────────────────────── */
footer {
  background: var(--noir);
  color: var(--blanc-casse);
  padding: 4rem var(--gutter) 2rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(250, 248, 242, 0.12);
}

.footer-brand .nav-logo { color: var(--blanc-casse); margin-bottom: 1rem; }
.footer-brand .nav-logo-mark { background: var(--blanc-casse); color: var(--noir); }

.footer-brand-text {
  font-family: var(--display);
  font-style: italic;
  font-size: 1rem;
  color: rgba(250, 248, 242, 0.6);
  max-width: 32ch;
  line-height: 1.6;
}

.footer-col-titre {
  font-family: var(--titre);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250, 248, 242, 0.5);
  margin-bottom: 1.2rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a, .footer-links button {
  font-family: var(--texte);
  font-size: 0.9rem;
  color: rgba(250, 248, 242, 0.85);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-align: left;
  transition: color var(--transition);
}
.footer-links a:hover, .footer-links button:hover { color: var(--blanc-casse); }

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--texte);
  font-size: 0.8rem;
  color: rgba(250, 248, 242, 0.4);
}

/* ─── MENU MOBILE ─────────────────────────────────────────────────────────── */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: var(--noir);
  color: var(--blanc-casse);
  z-index: 200;
  display: none;
  flex-direction: column;
  padding: 1.5rem var(--gutter) 3rem;
}
.menu-overlay.visible { display: flex; }

.menu-overlay-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4rem;
}

.menu-overlay-top .nav-logo { color: var(--blanc-casse); }
.menu-overlay-top .nav-logo-mark { background: var(--blanc-casse); color: var(--noir); }

.menu-close {
  background: none;
  border: 1px solid rgba(250, 248, 242, 0.3);
  color: var(--blanc-casse);
  width: 44px; height: 44px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 300;
}

.menu-overlay-links {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  list-style: none;
  justify-content: center;
}

.menu-overlay-links a {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: var(--blanc-casse);
  letter-spacing: -0.01em;
  line-height: 1;
  transition: color var(--transition), padding-left var(--transition);
}
.menu-overlay-links a:hover {
  color: rgba(250, 248, 242, 0.6);
  padding-left: 1rem;
}

/* ─── MODALE MENTIONS ─────────────────────────────────────────────────────── */
.modale-fond {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 7, 0.7);
  backdrop-filter: blur(4px);
  z-index: 300;
  overflow-y: auto;
  padding: 3rem var(--gutter);
}
.modale-fond.visible { display: flex; align-items: flex-start; }

.modale-contenu {
  background: var(--blanc-casse);
  color: var(--noir-doux);
  max-width: 720px;
  width: 100%;
  margin: auto;
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: 16px;
  position: relative;
}

.modale-fermer {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  background: var(--blanc);
  border: 1px solid var(--gris-clair);
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  color: var(--noir);
  line-height: 1;
}
.modale-fermer:hover { background: var(--noir); color: var(--blanc-casse); }

.modale-contenu h2 {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.modale-contenu h3 {
  font-family: var(--titre);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--noir);
  margin: 1.8rem 0 0.5rem;
}

.modale-contenu p,
.modale-contenu div {
  font-family: var(--texte);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 0.7rem;
  color: var(--gris-fonce);
}

.modale-contenu div p { margin-bottom: 0.4rem; }

/* ─── ANIMATIONS ─────────────────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .nav-links { display: none; }
  #nav-toggle { display: block; }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
    text-align: left;
  }
  .hero-book-zone { order: -1; min-height: 460px; padding: 1rem 0; }
  .hero-stats { gap: 1.5rem; }

  .livre-grid { grid-template-columns: 1fr; }
  .livre-fiche { grid-template-columns: 1fr 1fr; }

  .auteur-grid { grid-template-columns: 1fr; }
  .auteur-photo-wrap { max-width: 360px; }

  .commander-grid { grid-template-columns: 1fr; }
  .recap { position: static; }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { position: static; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }

  .livre-header { grid-template-columns: 1fr; gap: 1.5rem; align-items: start; }
}

@media (max-width: 600px) {
  html { font-size: 15px; }
  .field-row { grid-template-columns: 1fr; }
  .livre-fiche { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; }
  .livre-mockup { max-width: 240px; }
}