/* ==========================================================================
   FEE BTP SARL - PACK PRESTIGE BLANC PUR & ARCHITECTURAL (STYLE LEADER BTP)
   ========================================================================== */

:root {
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --c-dark-navy: #0c2e60;
  --c-midnight: #0a192f;
  --c-amber-gold: #0066cc;
  --c-amber-glow: rgba(0, 102, 204, 0.4);
  --c-blue-electric: #00d2ff;
  --c-blue-glow: rgba(0, 210, 255, 0.45);
  
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 50px;
  
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body {
  font-family: var(--font-body);
  background-color: #f8fafc;
  color: #1e293b;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, .brand-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

/* ==========================================================================
   MISE EN PAGE ÉLARGIE & AÉRÉE (FIN DU TASSEMENT CENTRAL / RESPIRATION MODERNE)
   ========================================================================== */
.container {
  width: 100% !important;
  padding-right: 20px !important;
  padding-left: 20px !important;
}

@media (min-width: 1200px) {
  .container {
    max-width: 1340px !important;
    padding-right: 28px !important;
    padding-left: 28px !important;
  }
}

@media (min-width: 1400px) {
  .container {
    max-width: 1520px !important;
    padding-right: 36px !important;
    padding-left: 36px !important;
  }
}

@media (min-width: 1680px) {
  .container {
    max-width: 1680px !important;
    padding-right: 48px !important;
    padding-left: 48px !important;
  }
}

/* Header & Navbar en pleine envergure moderne */
.header-top-clean .container,
.navbar-clean-white .container {
  width: 95% !important;
  max-width: 1680px !important;
}

/* Hero Carousel en grande envergure */
#heroHomeCarousel .container {
  width: 94% !important;
  max-width: 1650px !important;
}

/* Arrondis harmonieux */
.card, 
.card-wow-service, 
.project-entry, 
.blog-entry, 
.testimony-wrap,
.simulator-box,
.interactive-ba-wrapper {
  border-radius: var(--radius-lg) !important;
  overflow: hidden;
}

.btn, 
.btn-primary, 
.btn-outline-primary, 
.btn-gold-glow, 
.btn-glass-outline, 
.btn-custom {
  border-radius: var(--radius-pill) !important;
}

.badge, 
.badge-btp, 
.badge-prestige, 
.badge-primary, 
.badge-warning, 
.badge-success-btp {
  border-radius: var(--radius-pill) !important;
}

.form-control, 
.form-control-file, 
select.form-control, 
textarea.form-control {
  border-radius: var(--radius-sm) !important;
  border: 1px solid #cbd5e1;
  padding: 12px 16px;
}

.modal-content {
  border-radius: var(--radius-xl) !important;
  overflow: hidden;
  border: 1px solid rgba(0, 114, 255, 0.25);
}

.img, 
.img-video, 
.project-img, 
.about-image {
  border-radius: var(--radius-lg) !important;
}

/* ==========================================================================
   HEADER PRESTIGE : STYLE CLAIR & ÉPURÉ HAUT DE GAMME
   ========================================================================= */
.header-top-clean {
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  font-size: 13px;
  color: #475569;
  padding: 8px 0;
  letter-spacing: 0.2px;
}

.header-top-clean a {
  color: #1e293b;
  text-decoration: none;
  transition: color 0.2s;
}

.header-top-clean a:hover {
  color: #0072ff;
}

.header-admin-pill {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #1e293b !important;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  text-decoration: none !important;
}

.header-admin-pill:hover {
  background: #0c2e60;
  border-color: #0c2e60;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(12, 46, 96, 0.35);
}

.live-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 50px;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #475569;
}
  font-size: 12px;
  font-weight: 600;
  color: #e2e8f0;
}

.live-dot-green {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
}

/* Navbar avec Dégradé Architectural Lumineux BTP */
.navbar-clean-white {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 40%, #fff7ed 80%, #ffedd5 100%) !important;
  box-shadow: 0 10px 30px rgba(12, 46, 96, 0.08);
  padding: 10px 0 !important;
  border-bottom: 2px solid rgba(0, 114, 255, 0.35);
  position: relative;
}

.navbar-clean-white::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #0c2e60 0%, #0072ff 50%, #00d2ff 100%);
  z-index: 10;
}

.brand-icon-square {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0c2e60 0%, #1e40af 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0072ff;
  font-size: 24px;
  box-shadow: 0 6px 16px rgba(12, 46, 96, 0.2);
}

.brand-logo-img {
  height: 96px;
  width: auto;
  max-width: 300px;
  object-fit: contain;
  filter: drop-shadow(0 3px 10px rgba(12, 46, 96, 0.09));
  transition: transform 0.3s ease;
}

@media (max-width: 991.98px) {
  .brand-logo-img {
    height: 72px;
    max-width: 220px;
  }
}

@media (max-width: 575.98px) {
  .brand-logo-img {
    height: 60px;
    max-width: 180px;
  }
}

.brand-logo-img:hover {
  transform: scale(1.03);
}

.brand-title-clean {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 900;
  color: #0c2e60;
  letter-spacing: -0.5px;
  line-height: 1;
}

.brand-subtitle-clean {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  color: #0072ff;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: block;
  margin-top: 3px;
}

.nav-link-clean {
  font-family: var(--font-body) !important;
  font-weight: 700 !important;
  font-size: 14.5px !important;
  color: #0c2e60 !important;
  padding: 9px 16px !important;
  border-radius: 50px;
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.2px;
}

/* Soulignement / Barre de dégradé lumineuse animée sous le lien */
.nav-link-clean::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  border-radius: 4px;
  background: linear-gradient(90deg, #0072ff 0%, #0048b3 100%);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform: translateX(-50%);
  opacity: 0;
}

.nav-icon-dynamic {
  font-size: 14.5px;
  color: #0072ff;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Survol Waouh : Dégradé chaud + Zoom + Élévation 3D + Glow */
.nav-link-clean:hover {
  color: #0c2e60 !important;
  background: linear-gradient(135deg, rgba(0, 114, 255, 0.14) 0%, rgba(0, 210, 255, 0.22) 100%);
  border-color: rgba(0, 114, 255, 0.35);
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 8px 20px -4px rgba(0, 114, 255, 0.3);
}

.nav-link-clean:hover::before {
  width: 70%;
  opacity: 1;
}

.nav-link-clean:hover .nav-icon-dynamic {
  color: #0048b3;
  transform: scale(1.35) rotate(-10deg);
  filter: drop-shadow(0 2px 6px rgba(0, 114, 255, 0.5));
}

/* État Actif : Dégradé Bleu Nuit & Royal Prestige RMC BTP */
.nav-link-clean.active {
  color: #ffffff !important;
  background: linear-gradient(135deg, #0c2e60 0%, #1a56db 100%) !important;
  border-color: rgba(0, 114, 255, 0.4);
  box-shadow: 0 8px 22px rgba(12, 46, 96, 0.35);
  transform: scale(1.02);
}

.nav-link-clean.active::before {
  width: 80%;
  height: 3px;
  background: linear-gradient(90deg, #00d2ff 0%, #ffffff 100%);
  opacity: 1;
}

.nav-link-clean.active .nav-icon-dynamic {
  color: #fbbf24 !important;
  transform: scale(1.15);
  filter: drop-shadow(0 2px 8px rgba(0, 210, 255, 0.6));
}

.nav-link-clean.active:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 12px 28px rgba(12, 46, 96, 0.45), 0 0 16px rgba(0, 114, 255, 0.4);
}

/* Cartouche Ingénieur Permanent avec Dégradé Chaud & Radar Pulse */
.call-card-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 18px;
  border-radius: 50px;
  background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
  border: 1px solid rgba(0, 114, 255, 0.35);
  text-decoration: none !important;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 4px 14px rgba(0, 114, 255, 0.12);
}

.call-card-nav:hover {
  background: linear-gradient(135deg, #f0f7ff 0%, #e0f2fe 100%);
  border-color: #0072ff;
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 10px 25px rgba(0, 114, 255, 0.28);
}

.call-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0072ff 0%, #0048b3 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  box-shadow: 0 3px 10px rgba(0, 114, 255, 0.35);
}

.call-radar-ping {
  position: absolute;
  top: -3px;
  left: -3px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid #0072ff;
  opacity: 0.85;
  animation: radarPing 2s cubic-bezier(0, 0, 0.2, 1) infinite;
  pointer-events: none;
}

@keyframes radarPing {
  0% { transform: scale(0.9); opacity: 0.95; }
  75%, 100% { transform: scale(1.6); opacity: 0; }
}

.live-status-dot-sm {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  display: inline-block;
  box-shadow: 0 0 6px #10b981;
}

.call-card-text {
  line-height: 1.2;
}

.call-card-text small {
  display: block;
  font-size: 10px;
  color: #0048b3;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.call-card-text strong {
  color: #0c2e60;
  font-size: 13.5px;
  letter-spacing: 0.2px;
  font-weight: 800;
  transition: color 0.2s;
}

.call-card-nav:hover .call-card-text strong {
  color: #0048b3;
}

/* Bouton Devis Express avec halo et brillance Shimmer */
.btn-devis-express-glow {
  background: linear-gradient(135deg, #0072ff 0%, #0048b3 100%);
  border-radius: 50px;
  box-shadow: 0 6px 18px rgba(0, 114, 255, 0.4);
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-devis-express-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
  transform: rotate(25deg);
  animation: devisShimmer 3.5s infinite;
}

@keyframes devisShimmer {
  0% { left: -60%; }
  30% { left: 140%; }
  100% { left: 140%; }
}

.btn-devis-express-glow:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 24px rgba(0, 114, 255, 0.55);
  color: #ffffff !important;
}

.call-card-text {
  line-height: 1.2;
}

.call-card-text small {
  display: block;
  font-size: 10px;
  color: #64748b;
  text-transform: uppercase;
  font-weight: 700;
}

.call-card-text strong {
  font-size: 13px;
  color: #0c2e60;
  font-weight: 800;
}

/* ==========================================================================
   AUTRES STYLES WAOUH
   ========================================================================== */
.hero-wrap.kenburns-slide {
  position: relative;
  overflow: hidden;
}

.hero-wrap.kenburns-slide .kenburns-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center top;
  transform: scale(1);
  animation: kenBurnsZoom 10s ease-out infinite alternate;
  z-index: 1;
}

@keyframes kenBurnsZoom {
  0% { transform: scale(1.0); }
  100% { transform: scale(1.12); }
}

.hero-wrap .cinematic-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  /* Voile lumineux & contrasté : éclaircissement sur les photos de personnes et renforcement de la lisibilité du texte */
  background: linear-gradient(90deg, rgba(4, 14, 30, 0.78) 0%, rgba(12, 46, 96, 0.52) 50%, rgba(4, 14, 30, 0.28) 100%),
              linear-gradient(180deg, rgba(4, 14, 30, 0.35) 0%, rgba(4, 14, 30, 0.65) 100%);
  z-index: 2;
}

.hero-wrap .container {
  position: relative;
  z-index: 3;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #ffffff 15%, #60a5fa 55%, #00d2ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.btn-gold-glow {
  background: linear-gradient(135deg, #0072ff 0%, #00388d 100%);
  color: #fff !important;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-pill);
  padding: 12px 26px;
  box-shadow: 0 6px 20px rgba(0, 114, 255, 0.4);
  transition: var(--transition-smooth);
}

.btn-gold-glow:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #0088ff 0%, #0044b3 100%);
  box-shadow: 0 10px 25px rgba(0, 114, 255, 0.6);
  color: #fff !important;
}

.btn-glass-outline {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff !important;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 12px 26px;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.btn-glass-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
  transform: translateY(-2px);
  color: #fff !important;
}

/* Marquee Infini */
.marquee-container {
  background: #0c2e60;
  border-top: 1px solid rgba(0, 114, 255, 0.3);
  border-bottom: 1px solid rgba(0, 114, 255, 0.3);
  overflow: hidden;
  white-space: nowrap;
  padding: 16px 0;
  position: relative;
  z-index: 20;
}

.marquee-content {
  display: inline-flex;
  animation: scrollMarquee 26s linear infinite;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #e2e8f0;
  padding: 0 30px;
}

.marquee-item i {
  color: #0072ff;
  font-size: 16px;
}

@keyframes scrollMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Piliers & Sections Piliers */
.pillars-section {
  position: relative;
  padding: 85px 0 65px 0;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
  overflow: hidden;
}

/* ========================================================================
   RMC BTP SARL : THÈME ÉCOSYSTÈME 360° (BLEU SAPHIR CORPORATE & OR SOLAIRE)
   ======================================================================== */
.rmc-ecosystem-section {
  position: relative;
  padding: 95px 0 75px 0;
  background: radial-gradient(circle at 15% 20%, rgba(12, 46, 96, 0.03) 0%, transparent 40%),
              radial-gradient(circle at 85% 80%, rgba(217, 119, 6, 0.04) 0%, transparent 40%),
              linear-gradient(180deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
  overflow: hidden;
}

.rmc-ecosystem-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(12, 46, 96, 0.08) 0%, rgba(217, 119, 6, 0.12) 100%);
  color: #0c2e60;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 18px;
  border: 1px solid rgba(217, 119, 6, 0.3);
  box-shadow: 0 4px 15px rgba(12, 46, 96, 0.05);
}

.rmc-ecosystem-title {
  font-size: 2.35rem;
  font-weight: 850;
  color: #0c2e60;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.rmc-ecosystem-subtitle {
  font-size: 1.08rem;
  color: #64748b;
  max-width: 780px;
  margin: 0 auto 35px auto;
  line-height: 1.75;
}

/* Carte RMC Hub Synergie */
.rmc-hub-card {
  background: #ffffff;
  border-radius: 26px;
  padding: 44px 34px 36px 34px;
  border: 1.5px solid #e2e8f0;
  box-shadow: 0 20px 45px -12px rgba(12, 46, 96, 0.08);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  min-height: 590px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.rmc-hub-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, #0c2e60, #d97706);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.rmc-hub-card:hover::before {
  opacity: 1;
}

.rmc-hub-card:hover {
  transform: translateY(-10px);
  border-color: rgba(217, 119, 6, 0.45);
  box-shadow: 0 30px 65px -12px rgba(12, 46, 96, 0.16), 0 0 25px rgba(217, 119, 6, 0.12);
}

.rmc-hub-card.hub-featured {
  border: 2px solid #0c2e60;
  background: linear-gradient(180deg, #ffffff 0%, #f9fbfe 100%);
  box-shadow: 0 25px 60px -10px rgba(12, 46, 96, 0.18);
}

.rmc-hub-card.hub-featured::before {
  opacity: 1;
  background: linear-gradient(90deg, #d97706, #00d2ff, #0c2e60);
  height: 6px;
}

.rmc-hub-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.rmc-hub-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, #0c2e60 0%, #1e4287 100%);
  color: #fbbf24;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 0 12px 26px rgba(12, 46, 96, 0.22);
  transition: all 0.35s ease;
}

.rmc-hub-card:hover .rmc-hub-icon {
  transform: scale(1.08) rotate(3deg);
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(217, 119, 6, 0.4);
}

.rmc-hub-badge {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 14px;
  border-radius: 50px;
  background: rgba(12, 46, 96, 0.07);
  color: #0c2e60;
  border: 1px solid rgba(12, 46, 96, 0.12);
}

.rmc-hub-card.hub-featured .rmc-hub-badge {
  background: rgba(217, 119, 6, 0.12);
  color: #b45309;
  border-color: rgba(217, 119, 6, 0.3);
}

.rmc-hub-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0c2e60;
  margin-bottom: 14px;
  line-height: 1.35;
}

.rmc-hub-desc {
  color: #64748b;
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

.rmc-hub-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rmc-hub-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: #334155;
  line-height: 1.45;
}

.rmc-hub-item i {
  color: #d97706;
  font-size: 15px;
  margin-top: 3px;
  flex-shrink: 0;
}

.rmc-hub-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  font-size: 12.5px;
  font-weight: 700;
  color: #0c2e60;
  margin-top: auto;
  transition: all 0.3s ease;
}

.rmc-hub-card:hover .rmc-hub-footer {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}

/* En-tête de Section Piliers */
.pillar-section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(12, 46, 96, 0.08);
  color: #0c2e60;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  border: 1px solid rgba(12, 46, 96, 0.12);
}

.pillar-section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #0c2e60;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.pillar-section-subtitle {
  font-size: 1.05rem;
  color: #64748b;
  max-width: 740px;
  margin: 0 auto 30px auto;
  line-height: 1.7;
}

/* Cartes Piliers Architecturales Hautes & Élancées */
.pillar-card {
  background: #ffffff;
  border-radius: 28px;
  padding: 54px 38px 44px 38px;
  border: 1.5px solid #e2e8f0;
  box-shadow: 0 18px 45px -12px rgba(12, 46, 96, 0.09);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  min-height: 640px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

/* Numéro Géant en Filigrane Architectural */
.pillar-number {
  position: absolute;
  top: 15px;
  right: 24px;
  font-family: var(--font-heading);
  font-size: 96px;
  font-weight: 900;
  line-height: 1;
  color: rgba(12, 46, 96, 0.04);
  user-select: none;
  pointer-events: none;
  transition: all 0.4s ease;
}

.pillar-card:hover .pillar-number {
  color: rgba(0, 114, 255, 0.09);
  transform: translateY(-6px) scale(1.06);
}

.pillar-card:hover {
  transform: translateY(-12px);
  border-color: rgba(0, 114, 255, 0.45);
  box-shadow: 0 28px 65px -10px rgba(12, 46, 96, 0.16), 0 0 25px rgba(0, 114, 255, 0.12);
}

/* Carte Centrale surélevée (Effet Podium Prestige) */
.pillar-card.highlight {
  border: 2px solid #0072ff;
  min-height: 670px;
  box-shadow: 0 25px 60px -10px rgba(0, 114, 255, 0.24);
  background: linear-gradient(180deg, #ffffff 0%, #fffcf8 100%);
}

@media (min-width: 992px) {
  .pillar-col-highlight {
    margin-top: -16px;
    margin-bottom: 16px;
  }
}

.pillar-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(12, 46, 96, 0.07);
  color: #0c2e60;
  transition: all 0.3s ease;
}

.pillar-card:hover .pillar-tag {
  background: rgba(0, 114, 255, 0.15);
  color: #0048b3;
}

.pillar-icon-box {
  width: 74px;
  height: 74px;
  border-radius: 22px;
  background: linear-gradient(135deg, #0c2e60 0%, #1e4287 100%);
  color: #0072ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 12px 28px rgba(12, 46, 96, 0.24);
  transition: all 0.35s ease;
}

.pillar-card:hover .pillar-icon-box {
  background: linear-gradient(135deg, #0072ff 0%, #0048b3 100%);
  color: #ffffff;
  transform: scale(1.08) rotate(4deg);
  box-shadow: 0 14px 32px rgba(0, 114, 255, 0.42);
}

.pillar-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: #0c2e60;
  margin-top: 26px;
  margin-bottom: 18px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.pillar-desc {
  color: #64748b;
  font-size: 0.96rem;
  line-height: 1.8;
  margin-bottom: 26px;
}

/* Liste de points de contrôle (Checklist d'Ingénierie) */
.pillar-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pillar-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  line-height: 1.45;
}

.pillar-feature-item i {
  color: #22c55e;
  margin-top: 2px;
  font-size: 14px;
  flex-shrink: 0;
}

/* Cartouche Inférieur (Pied de Carte) */
.pillar-footer-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  font-size: 13px;
  font-weight: 700;
  color: #0c2e60;
  margin-top: auto;
  transition: all 0.3s ease;
}

.pillar-card:hover .pillar-footer-badge {
  background: #fff7ed;
  border-color: #fed7aa;
  color: #0048b3;
}

.pillar-footer-badge i {
  font-size: 14px;
}

/* Slider Avant / Après */
.interactive-ba-wrapper {
  position: relative;
  width: 100%;
  height: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.4);
  user-select: none;
  background: #000;
}

@media (min-width: 992px) {
  .interactive-ba-wrapper {
    height: 580px;
  }
}

@media (min-width: 1400px) {
  .interactive-ba-wrapper {
    height: 680px;
  }
}

@media (min-width: 1680px) {
  .interactive-ba-wrapper {
    height: 740px;
  }
}

.ba-image-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.ba-after-layer {
  z-index: 1;
}

.ba-before-layer {
  z-index: 2;
  width: 50%;
  overflow: hidden;
  border-right: 4px solid #0072ff;
  box-shadow: 4px 0 20px rgba(0,0,0,0.5);
  transition: width 0.05s ease-out;
}

.ba-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #0072ff;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px rgba(0, 114, 255, 0.8), 0 0 0 4px rgba(255, 255, 255, 0.9);
  z-index: 10;
  cursor: ew-resize;
  pointer-events: none;
  font-size: 18px;
}

.ba-range-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 20;
  margin: 0;
}

.ba-tag {
  position: absolute;
  top: 20px;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  z-index: 5;
  backdrop-filter: blur(8px);
}

.ba-tag-before {
  left: 20px;
  background: rgba(220, 38, 38, 0.9);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}

.ba-tag-after {
  right: 20px;
  background: rgba(16, 185, 129, 0.9);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}

/* Simulateur */
.simulator-box {
  background: linear-gradient(145deg, #0c2e60 0%, #040e1e 100%);
  border: 1px solid rgba(0, 114, 255, 0.3);
  border-radius: var(--radius-xl);
  padding: 40px;
  color: #fff;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
}

.sim-slider-wrap input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.2);
  outline: none;
}

.sim-slider-wrap input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #0072ff;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(0, 114, 255, 0.8);
  border: 3px solid #fff;
}

.sim-price-display {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 114, 255, 0.3);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

/* Services */
.card-wow-service {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(226, 232, 240, 0.8);
  position: relative;
}

.card-wow-service:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px -12px rgba(12, 46, 96, 0.2);
  border-color: #0072ff;
}

.card-wow-service:hover .service-icon-box {
  background: #0072ff;
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 10px 25px rgba(0, 114, 255, 0.4);
}

.service-icon-box {
  transition: var(--transition-smooth);
}

/* ==========================================================================
   EXPÉRIENCE 3D INTERACTIVE & VIDÉO HAUTE DÉFINITION BTP
   ========================================================================== */

/* 1. Canvas 3D Hero Wireframe */
#feeHero3DCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
  filter: drop-shadow(0 0 20px rgba(0, 180, 255, 0.65));
}

/* Responsive Canvas 3D : Rétrécit élégamment sur tablette et mobile sans disparaître */
@media (max-width: 991px) {
  #feeHero3DCanvas {
    display: block !important;
    visibility: visible !important;
    opacity: 0.50;
    filter: drop-shadow(0 0 10px rgba(0, 180, 255, 0.40));
  }
}
@media (max-width: 576px) {
  #feeHero3DCanvas {
    opacity: 0.35;
    filter: drop-shadow(0 0 6px rgba(0, 180, 255, 0.25));
  }
}

/* 2. Vidéo Cinématique Hero 4K */
.hero-video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.hero-video-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  filter: contrast(1.1) brightness(0.92);
}

.hero-video-badge-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 114, 255, 0.2);
  border: 1px solid rgba(0, 114, 255, 0.6);
  color: #ffedd5;
  backdrop-filter: blur(8px);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.live-pulse-indicator {
  width: 8px;
  height: 8px;
  background: #0072ff;
  border-radius: 50%;
  box-shadow: 0 0 10px #0072ff;
  animation: pulseLiveDot 1.5s infinite;
}

@keyframes pulseLiveDot {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.4; }
  100% { transform: scale(1); opacity: 1; }
}

/* 3. Moteur 3D Tilt Physique sur les cartes */
.pillar-card,
.card-wow-service,
.project-card-3d {
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out, box-shadow 0.25s ease-out;
  will-change: transform;
}

.pillar-card:hover,
.card-wow-service:hover {
  box-shadow: 0 30px 60px -15px rgba(12, 46, 96, 0.25), 0 0 25px rgba(0, 114, 255, 0.2) !important;
}

/* Reflet Spéculaire (Lumière dynamique) */
.fee-3d-glare {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 5;
  mix-blend-mode: overlay;
}

/* Éléments en relief à l'intérieur des cartes (Z-Index 3D) */
.pillar-icon-box,
.pillar-number,
.pillar-footer-badge {
  transform: translateZ(30px);
}

.pillar-title {
  transform: translateZ(22px);
}

.pillar-desc,
.pillar-features {
  transform: translateZ(15px);
}

/* WhatsApp Radar */
.whatsapp-float-btn {
  border-radius: var(--radius-pill) !important;
  animation: radarPulse 3s infinite;
}

@keyframes radarPulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   SUPPRESSION DÉFINITIVE DU PRÉCHARGEUR BLOQUANT (AFFICHAGE INSTANTANÉ)
   ========================================================================== */
#ftco-loader {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* ==========================================================================
   OPTIMISATIONS RESPONSIVES MOBILES ET TABLETTES (iOS & Android Ultra-Fluide)
   ========================================================================== */
@media (max-width: 767.98px) {
  /* Typographie Hero sur smartphone */
  .hero-wrap h1 {
    font-size: 1.85rem !important;
    line-height: 1.25 !important;
  }
  .hero-wrap p.lead {
    font-size: 1rem !important;
  }

  /* Avant / Après sur mobile : hauteur ergonomique sans défilement excessif */
  .interactive-ba-wrapper {
    height: 320px !important;
    border-radius: 14px !important;
  }
  .ba-tag {
    font-size: 10px !important;
    padding: 4px 8px !important;
  }
  .ba-handle {
    width: 36px !important;
    height: 36px !important;
    font-size: 14px !important;
  }

  /* Alignement des cartes DG et équipe */
  .dg-3d-card, .about-image {
    min-height: 380px !important;
  }

  /* Bouton WhatsApp et Chatbot sur petit écran */
  .whatsapp-float-btn {
    bottom: 18px !important;
    left: 14px !important;
    padding: 10px 16px !important;
    font-size: 12px !important;
  }
  #smartChatWidget {
    bottom: 80px !important;
  }

  /* Empêcher tout débordement horizontal */
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .interactive-ba-wrapper {
    height: 420px !important;
  }
}