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

/* =========================================================
   Design Tokens — "Mix B+C" (Papier ancien + Mosaique mediterraneenne)
   Palette indigo/or/papier, typo Cormorant/Inter/Caveat, signatures mosaique
   ========================================================= */

:root {
  /* Palette 5 couleurs */
  --encre-nuit:    #0F1829;
  --indigo:        #2A3F66;
  --indigo-clair:  #4A5F86;
  --or-antique:    #B8923A;
  --or-clair:      #D4B464;
  --brun-sepia:    #7A4A2E;
  --papier:        #F4EDDF;
  --papier-fonce:  #E8DFC8;

  /* Derives opacite encre-nuit */
  --nuit-90: rgba(15, 24, 41, 0.90);
  --nuit-80: rgba(15, 24, 41, 0.80);
  --nuit-65: rgba(15, 24, 41, 0.65);
  --nuit-40: rgba(15, 24, 41, 0.40);
  --nuit-20: rgba(15, 24, 41, 0.20);
  --nuit-10: rgba(15, 24, 41, 0.10);
  --nuit-06: rgba(15, 24, 41, 0.06);

  /* Derives opacite or-antique */
  --or-40: rgba(184, 146, 58, 0.40);
  --or-20: rgba(184, 146, 58, 0.20);
  --or-10: rgba(184, 146, 58, 0.10);
  --or-04: rgba(184, 146, 58, 0.04);

  /* Derives opacite papier */
  --papier-95: rgba(244, 237, 223, 0.95);
  --papier-75: rgba(244, 237, 223, 0.75);
  --papier-40: rgba(244, 237, 223, 0.40);

  /* Typographies */
  --ff-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --ff-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --ff-accent:  'Caveat', 'Dancing Script', cursive;

  /* Tailles responsive (fluid) */
  --fs-xs:    0.8rem;
  --fs-sm:    0.9rem;
  --fs-base:  1rem;
  --fs-md:    1.125rem;
  --fs-lg:    1.25rem;
  --fs-xl:    clamp(1.5rem, 2vw + 1rem, 2rem);
  --fs-h3:    clamp(1.5rem, 1.5vw + 1rem, 1.875rem);
  --fs-h2:    clamp(1.875rem, 2vw + 1.25rem, 2.5rem);
  --fs-h1:    clamp(2.5rem, 4vw + 1rem, 4rem);
  --fs-hero:  clamp(3rem, 5vw + 1.5rem, 5.5rem);

  /* Mesures */
  --measure-article: 720px;
  --measure-wide:    1280px;
  --measure-hero:    1440px;
  --gutter:          clamp(1rem, 4vw, 2rem);

  /* Transitions */
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast:  300ms;
  --dur:       500ms;
  --dur-slow:  700ms;

  /* Ombres */
  --shadow-sm: 0 2px 8px rgba(15, 24, 41, 0.08);
  --shadow-md: 0 4px 24px rgba(15, 24, 41, 0.12);
  --shadow-lg: 0 12px 48px rgba(15, 24, 41, 0.16);
}

/* =========================================================
   Reset minimal + base
   ========================================================= */

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

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

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--encre-nuit);
  background: var(--papier);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: var(--indigo); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
a:hover, a:focus { color: var(--or-antique); }

button { font: inherit; cursor: pointer; border: none; background: transparent; color: inherit; }

/* =========================================================
   Typographie
   ========================================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--encre-nuit);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-h1); font-weight: 500; letter-spacing: -0.02em; }
h2 { font-size: var(--fs-h2); font-weight: 600; margin-top: 3rem; margin-bottom: 1.25rem; position: relative; }
h3 { font-size: var(--fs-h3); font-weight: 600; margin-top: 2rem; margin-bottom: 1rem; }
h4 { font-size: var(--fs-lg); font-weight: 600; margin-top: 1.5rem; margin-bottom: 0.5rem; }

/* Signature C : filet mosaique geometrique sous H2 */
.article-body h2::after {
  content: '';
  display: block;
  width: 120px;
  height: 8px;
  margin-top: 0.75rem;
  background-image:
    linear-gradient(135deg, var(--or-antique) 25%, transparent 25%),
    linear-gradient(225deg, var(--or-antique) 25%, transparent 25%),
    linear-gradient(315deg, var(--indigo) 25%, transparent 25%),
    linear-gradient(45deg, var(--indigo) 25%, transparent 25%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 0, 8px 8px, 0 8px;
  opacity: 0;
  transform: scaleX(0.3);
  transform-origin: left center;
  transition: transform var(--dur-slow) var(--ease), opacity var(--dur-slow) var(--ease);
}

.article-body h2.visible::after,
.article-body .visible h2::after {
  opacity: 1;
  transform: scaleX(1);
}

p  { margin-bottom: 1.25rem; }
p + p { margin-top: 0; }

strong { font-weight: 600; color: var(--encre-nuit); }
em     { font-style: italic; }

ul, ol { margin: 0 0 1.25rem 1.5rem; }
li     { margin-bottom: 0.5rem; }

blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  border-left: 4px solid var(--or-antique);
  background: var(--or-04);
  font-family: var(--ff-display);
  font-style: italic;
  font-size: var(--fs-lg);
  color: var(--indigo);
}

/* =========================================================
   Layout — containers
   ========================================================= */

.container    { max-width: var(--measure-wide); margin: 0 auto; padding: 0 var(--gutter); }
.container-sm { max-width: var(--measure-article); margin: 0 auto; padding: 0 var(--gutter); }
.container-lg { max-width: var(--measure-hero); margin: 0 auto; padding: 0 var(--gutter); }

/* =========================================================
   Header
   ========================================================= */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--papier-95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--or-20);
  transition: box-shadow var(--dur-fast) var(--ease);
}

.header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  max-width: var(--measure-wide);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--encre-nuit);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.logo:hover { color: var(--indigo); }

.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nav-main {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.nav-main a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--encre-nuit);
  letter-spacing: 0.01em;
  position: relative;
  padding: 0.25rem 0;
}

.nav-main a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--or-antique);
  transform: translateX(-50%);
  transition: width var(--dur-fast) var(--ease);
}

.nav-main a:hover { color: var(--indigo); }
.nav-main a:hover::after,
.nav-main a.active::after { width: 100%; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--encre-nuit);
  margin-bottom: 6px;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}

.nav-toggle span:last-child { margin-bottom: 0; }

@media (max-width: 900px) {
  .nav-main {
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--papier);
    flex-direction: column;
    gap: 1.5rem;
    padding: 3rem 2rem;
    transform: translateX(100%);
    transition: transform var(--dur) var(--ease);
    box-shadow: var(--shadow-lg);
  }
  .nav-open .nav-main { transform: translateX(0); }
  .nav-toggle { display: block; }
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--papier);
}

.hero-home { min-height: 92vh; }

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

.hero-image img,
.hero-image picture {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  /* Signature C : overlay encre-nuit → indigo radial */
  background:
    radial-gradient(ellipse at center, var(--nuit-40) 0%, var(--nuit-80) 60%, var(--encre-nuit) 100%),
    linear-gradient(180deg, transparent 0%, var(--nuit-80) 100%);
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--measure-hero);
  padding: 4rem var(--gutter);
  text-align: center;
}

.hero-kicker {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--or-clair);
  margin-bottom: 1.5rem;
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--or-40);
  border-radius: 2px;
  background: var(--nuit-10);
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: var(--fs-hero);
  color: var(--papier);
  font-weight: 400;
  margin-bottom: 1.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: var(--fs-xl);
  color: var(--papier-75);
  margin-bottom: 2rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all var(--dur-fast) var(--ease);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--or-antique);
  color: var(--encre-nuit);
}

.btn-primary:hover {
  background: var(--or-clair);
  color: var(--encre-nuit);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--papier);
  border-color: var(--papier-75);
}

.btn-ghost:hover {
  background: var(--papier);
  color: var(--encre-nuit);
  border-color: var(--papier);
}

.btn-outline {
  background: transparent;
  color: var(--indigo);
  border-color: var(--indigo);
}

.btn-outline:hover {
  background: var(--indigo);
  color: var(--papier);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-family: var(--ff-body);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--papier-75);
  animation: scroll-bounce 2s var(--ease) infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.75; }
  50%      { transform: translate(-50%, 8px); opacity: 1; }
}

/* Hero article (plus compact) */
.hero-article {
  min-height: 60vh;
}

.hero-article h1 {
  font-size: clamp(2.25rem, 3vw + 1rem, 3.5rem);
}

.hero-breadcrumb {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--papier-75);
  margin-bottom: 1rem;
}

.hero-breadcrumb a { color: var(--or-clair); }
.hero-breadcrumb a:hover { color: var(--papier); }

.hero-meta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--papier-75);
}

/* =========================================================
   Article — structure editoriale
   ========================================================= */

.article-summary {
  max-width: var(--measure-article);
  margin: 4rem auto 2rem;
  padding: 0 var(--gutter);
  font-family: var(--ff-display);
  font-style: italic;
  font-size: var(--fs-lg);
  line-height: 1.6;
  color: var(--indigo);
  position: relative;
}

.article-summary::before {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--or-antique);
  margin-bottom: 1.5rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  max-width: var(--measure-wide);
  margin: 0 auto;
  padding: 3rem var(--gutter);
  gap: 3rem;
}

@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: 240px 1fr;
    gap: 4rem;
  }
}

.article-toc {
  position: sticky;
  top: 100px;
  align-self: start;
  font-size: 0.875rem;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.article-toc-title {
  font-family: var(--ff-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--nuit-65);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--or-20);
}

.article-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
}

.article-toc li {
  counter-increment: toc;
  margin-bottom: 0.5rem;
  padding-left: 2rem;
  position: relative;
}

.article-toc li::before {
  content: counter(toc, upper-roman) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--ff-display);
  font-weight: 500;
  color: var(--or-antique);
  font-size: 0.875rem;
}

.article-toc a {
  color: var(--nuit-65);
  line-height: 1.4;
  display: inline-block;
  transition: color var(--dur-fast) var(--ease);
}

.article-toc a:hover,
.article-toc a.active { color: var(--indigo); }

.article-body {
  max-width: var(--measure-article);
  font-size: var(--fs-md);
  line-height: 1.75;
}

@media (min-width: 1024px) {
  .article-body { margin-left: 0; }
}

/* Signature C : lettrine tesseres mosaique au 1er paragraphe */
.article-body > p:first-of-type::first-letter {
  float: left;
  font-family: var(--ff-display);
  font-size: 4.5rem;
  line-height: 0.9;
  font-weight: 500;
  color: var(--papier);
  background:
    linear-gradient(135deg, var(--or-antique) 25%, transparent 25%),
    linear-gradient(225deg, var(--or-antique) 25%, transparent 25%),
    linear-gradient(45deg, var(--indigo) 25%, transparent 25%),
    linear-gradient(315deg, var(--indigo) 25%, transparent 25%),
    var(--indigo);
  background-size: 12px 12px, 12px 12px, 12px 12px, 12px 12px, 100% 100%;
  background-position: 0 0, 6px 0, 6px 6px, 0 6px, 0 0;
  padding: 0.75rem 0.875rem 0.5rem;
  margin: 0.35rem 0.75rem 0 0;
  border-radius: 2px;
}

/* Pull quote — encadre mosaique */
.pull-quote {
  margin: 3rem 0;
  padding: 2rem 2.5rem;
  position: relative;
  background: var(--or-04);
  border-left: 4px solid var(--or-antique);
  font-family: var(--ff-display);
  font-style: italic;
  font-size: var(--fs-xl);
  line-height: 1.4;
  color: var(--indigo);
}

.pull-quote::before {
  content: '«';
  position: absolute;
  top: -8px;
  left: 1rem;
  font-family: var(--ff-display);
  font-size: 4rem;
  color: var(--or-antique);
  line-height: 1;
}

.pull-quote cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-style: normal;
  color: var(--brun-sepia);
  font-family: var(--ff-body);
  letter-spacing: 0.05em;
}

/* Tableaux */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
}

.article-body th,
.article-body td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--or-20);
}

.article-body th {
  background: var(--or-10);
  font-family: var(--ff-display);
  font-weight: 600;
  color: var(--indigo);
}

.article-body tr:hover { background: var(--or-04); }

/* Images dans le body */
.article-body img {
  margin: 2rem auto;
  border-radius: 2px;
  box-shadow: var(--shadow-md);
}

.article-body figure {
  margin: 2rem 0;
}

.article-body figcaption {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--nuit-65);
  text-align: center;
  margin-top: 0.75rem;
}

/* =========================================================
   Cards — listings et grilles
   ========================================================= */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.card {
  background: var(--papier);
  border: 1px solid var(--or-20);
  border-radius: 4px;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Signature C : fond mosaique discret opacite 4% */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, var(--or-antique) 25%, transparent 25%),
    linear-gradient(225deg, var(--or-antique) 25%, transparent 25%);
  background-size: 12px 12px;
  background-position: 0 0, 6px 0;
  opacity: 0.04;
  pointer-events: none;
  z-index: 0;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--or-40);
}

.card-image {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}

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

.card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

.card-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--or-antique);
  margin-bottom: 0.75rem;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  background: var(--or-10);
  color: var(--indigo);
  font-size: 0.75rem;
  border-radius: 999px;
  font-weight: 500;
}

.card h3 {
  font-size: var(--fs-lg);
  margin: 0 0 0.5rem;
  color: var(--encre-nuit);
  line-height: 1.3;
}

.card h3 a { color: inherit; }
.card h3 a:hover { color: var(--indigo); }

.card-desc {
  font-size: 0.95rem;
  color: var(--nuit-65);
  line-height: 1.55;
  flex: 1;
}

.card-meta {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--or-20);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--nuit-65);
}

/* Grille asymetrique 4-3-1 — homepage piliers */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  margin: 3rem 0;
}

.pillar-card { grid-column: span 12; }
@media (min-width: 640px) {
  .pillar-card { grid-column: span 6; }
  .pillar-card-sq { grid-column: span 6; }
}
@media (min-width: 1024px) {
  .pillar-card { grid-column: span 4; }
  .pillar-card-feature { grid-column: span 8; }
  .pillar-card-sq { grid-column: span 4; }
}

.pillar-card-feature .card-image { aspect-ratio: 16 / 9; }

/* =========================================================
   FAQ — accordeon
   ========================================================= */

.faq-section {
  max-width: var(--measure-article);
  margin: 4rem auto;
  padding: 0 var(--gutter);
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.faq-section .section-kicker {
  display: block;
  text-align: center;
  font-family: var(--ff-body);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--or-antique);
  margin-bottom: 1rem;
}

.faq-item {
  border-bottom: 1px solid var(--or-20);
  padding: 0;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0;
  font-family: var(--ff-display);
  font-size: var(--fs-lg);
  font-weight: 500;
  text-align: left;
  color: var(--encre-nuit);
  transition: color var(--dur-fast) var(--ease);
}

.faq-question:hover { color: var(--indigo); }

/* Signature C : + transforme en etoile 8 branches or */
.faq-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease);
  color: var(--or-antique);
}

.faq-item[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur) var(--ease);
}

.faq-item[aria-expanded="true"] .faq-answer { max-height: 2000px; }

.faq-answer-inner {
  padding: 0 0 1.5rem 0;
  color: var(--nuit-80);
  line-height: 1.7;
}

/* =========================================================
   Section immersive
   ========================================================= */

.section-immersive {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--papier);
  margin: 4rem 0;
}

.section-immersive .hero-image,
.section-immersive .hero-overlay { position: absolute; inset: 0; }

.section-immersive .hero-overlay {
  background: radial-gradient(ellipse at 30% 50%, var(--nuit-40) 0%, var(--nuit-80) 60%, var(--encre-nuit) 100%);
  z-index: 2;
}

.section-immersive .hero-image { z-index: 1; }
.section-immersive .hero-image img { width: 100%; height: 100%; object-fit: cover; }

.section-immersive .hero-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
  padding: 4rem var(--gutter);
  text-align: center;
}

/* =========================================================
   Intro editorial
   ========================================================= */

.intro-section {
  padding: 5rem 0 3rem;
  text-align: center;
}

.intro-kicker {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--or-antique);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  position: relative;
}

.intro-kicker::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 40px;
  height: 2px;
  background: var(--or-antique);
  transform: translateX(-50%);
}

.intro-section h2 {
  max-width: 720px;
  margin: 0 auto 1.5rem;
  font-size: clamp(2rem, 3vw, 3rem);
}

.intro-section p {
  max-width: 640px;
  margin: 0 auto;
  font-size: var(--fs-md);
  color: var(--nuit-80);
  line-height: 1.75;
}

/* =========================================================
   Footer
   ========================================================= */

.footer {
  background: var(--encre-nuit);
  color: var(--papier-75);
  padding: 4rem 0 2rem;
  margin-top: 6rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

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

.footer-brand {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--papier);
  margin-bottom: 1rem;
  font-weight: 500;
}

.footer-tagline {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--papier-75);
  max-width: 320px;
}

.footer h4 {
  color: var(--or-clair);
  font-family: var(--ff-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
}

.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 0.5rem; }

.footer a {
  color: var(--papier-75);
  font-size: 0.9rem;
  transition: color var(--dur-fast) var(--ease);
}

.footer a:hover { color: var(--or-clair); }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(244, 237, 223, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--papier-40);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-signature {
  font-family: var(--ff-accent);
  font-size: 1.1rem;
  color: var(--or-clair);
}

/* =========================================================
   Breadcrumb
   ========================================================= */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--nuit-65);
  margin-bottom: 1rem;
}

.breadcrumb a { color: var(--indigo); }
.breadcrumb a:hover { color: var(--or-antique); }

.breadcrumb-separator { color: var(--or-40); margin: 0 0.25rem; }

/* =========================================================
   Utilitaires
   ========================================================= */

.text-center   { text-align: center; }
.text-accent   { color: var(--or-antique); }
.text-indigo   { color: var(--indigo); }
.text-sepia    { color: var(--brun-sepia); }

.bg-papier     { background: var(--papier); }
.bg-papier-alt { background: var(--papier-fonce); }
.bg-or-soft    { background: var(--or-04); }

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

/* =========================================================
   Reveal animation — IntersectionObserver hook
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   Print
   ========================================================= */

@media print {
  .header, .footer, .nav-main, .hero-cta, .faq-icon { display: none; }
  body { background: white; color: black; }
  .article-body { max-width: 100%; }
}