/* ═══════════════════════════════════════════════════════════════
   B06 — SEO INTRO (transition B05 → B07)
   Éditorial pleine largeur, anti-AI-slop, split asymétrique 45/55
   ═══════════════════════════════════════════════════════════════ */

.b06-intro{
  position: relative;
  background: #FAF9F6;
  padding: 104px 0;
  font-family: 'IBM Plex Sans', sans-serif;
  overflow: hidden;
}

.b06-container{
  max-width: none; margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

/* ─── TITRE PLEINE LARGEUR ─── */
.b06-title{
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: clamp(1.875rem, 3.4vw, 2.625rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: #1E2D3F;
  margin: 0 0 64px;
  max-width: 1000px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s cubic-bezier(.4, 0, .2, 1),
              transform .8s cubic-bezier(.4, 0, .2, 1);
}

.b06-title.is-visible{
  opacity: 1;
  transform: translateY(0);
}

.b06-highlight{
  position: relative;
  display: inline-block;
  color: #1E2D3F;
  font-weight: 700;
  white-space: nowrap;
}

.b06-highlight::after{
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 10px;
  background: #F5A623;
  opacity: 0.32;
  z-index: -1;
  border-radius: 3px;
}

/* ─── GRID ASYMÉTRIQUE 45/55 ─── */
.b06-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

/* ─── VISUAL : photo bureau d'étude ─── */
.b06-visual{
  position: relative;
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .8s cubic-bezier(.4, 0, .2, 1) .2s,
              transform .8s cubic-bezier(.4, 0, .2, 1) .2s;
}

.b06-visual.is-visible{
  opacity: 1;
  transform: translateX(0);
}

.b06-visual-img{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(30, 45, 63, 0.12);
  /* Légère désaturation pour éviter look stock photo */
  filter: saturate(0.95);
}

.b06-visual-caption{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 0 4px;
  font-size: 13px;
  color: #6B7888;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.b06-visual-caption-icon{
  flex-shrink: 0;
  color: #F5A623;
}

/* ─── CONTENT : 2 paragraphes éditoriaux ─── */
.b06-content{
  padding-top: 8px;
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .8s cubic-bezier(.4, 0, .2, 1) .35s,
              transform .8s cubic-bezier(.4, 0, .2, 1) .35s;
}

.b06-content.is-visible{
  opacity: 1;
  transform: translateX(0);
}

.b06-paragraph{
  font-size: 17px;
  line-height: 1.75;
  color: #4A5560;
  margin: 0 0 28px;
  letter-spacing: -0.005em;
}

.b06-paragraph:last-child{
  margin-bottom: 0;
}

/* Gras navy (sweet spot SEO sans pill) */
.b06-paragraph strong{
  color: #1E2D3F;
  font-weight: 700;
}

/* Liens internes — orange accent, jamais rose/violet navigateur */
.b06-paragraph a{
  color: var(--c-accent, #F5A624);
  text-decoration: underline;
  text-decoration-color: rgba(245, 166, 36, .3);
  text-underline-offset: 2px;
  transition: color .2s ease;
}
.b06-paragraph a:visited{
  color: var(--c-accent, #F5A624);
}
.b06-paragraph a:hover{
  color: var(--c-accent-hover, #FF7A00);
}

/* Surligné orange ponctuel (cohérence Hero) */
.b06-mark{
  position: relative;
  display: inline-block;
  color: #1E2D3F;
  font-weight: 700;
  padding: 0 2px;
}

.b06-mark::after{
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 8px;
  background: #F5A623;
  opacity: 0.28;
  z-index: -1;
  border-radius: 3px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px){
  .b06-grid{
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .b06-visual{
    max-width: 520px;
  }
  .b06-title{
    margin-bottom: 48px;
  }
}

@media (max-width: 860px){
  .b06-intro{
    padding: 72px 0 64px;
  }
  .b06-container{
    padding-left: 24px;
    padding-right: 24px;
  }
  .b06-title{
    font-size: 1.625rem;
    margin-bottom: 36px;
  }
  .b06-paragraph{
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 24px;
  }
  .b06-visual-img{
    border-radius: 6px;
  }
}

@media (max-width: 480px){
  .b06-title{
    font-size: 1.5rem;
  }
  .b06-paragraph{
    font-size: 15.5px;
  }
}

/* ═══ Sticky photo desktop ═══ */
@media (min-width: 1101px){
  .b06-grid{
    align-items: start;
  }

  .b06-visual{
    position: sticky;
    top: 100px; /* offset header + petite respiration */
    align-self: start;
  }
}
/* ═══ Photo unique centrée verticalement ═══ */

.b06-grid{
  align-items: center; /* Centre la photo par rapport au texte */
}

.b06-visual-wrap{
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(30, 45, 63, 0.12);
}

.b06-visual-wrap .b06-visual-img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  filter: saturate(0.97);
}

/* Tablette / mobile */
@media (max-width: 1100px){
  .b06-grid{
    align-items: start;
  }
  .b06-visual{
    max-width: 560px;
    margin: 0 auto;
  }
}

/* B06 — Image plafonnée en desktop (option A : entière, centrée, sans recadrage) */
@media (min-width: 901px){
  .b06-visual{
    max-height: 620px !important;
    height: auto !important;
    aspect-ratio: auto !important;
    width: auto !important;
    margin: 0 auto !important;
  }
  .b06-visual img,
  .b06-visual-wrap img{
    max-height: 620px !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
  }
  .b06-visual-wrap{
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
  }
}