/* ==========================================================================
   MIND — Mind for New Designs
   Architecture & Structures Métalliques Haut de Gamme
   Design System : Clair Architectural / Lumineux, Moderne & Épuré
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Outfit:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Palette Principale "Clair Architectural" */
  --bg-main:         #FFFFFF;
  --bg-subtle:       #F8FAFC;
  --bg-surface:      #F1F5F9;
  --bg-elevated:     #FFFFFF;

  /* Typographie & Couleurs de texte */
  --text-main:       #0F172A; /* Gris anthracite profond - jamais noir pur */
  --text-body:       #1E293B;
  --text-muted:      #334155; /* Gris acier foncé haute lisibilité WCAG AAA */
  --text-light:      #475569;
  --text-inverse:    #FFFFFF;

  /* Couleurs d'accentuation (Bleu architectural & cuivre) */
  --primary:         #0369A1; /* Bleu architectural conforme WCAG AA (5.9:1) */
  --primary-hover:   #075985;
  --primary-light:   #E0F2FE;
  --primary-glow:    rgba(3, 105, 161, 0.12);

  --accent:          #9A581F; /* Cuivre / Bronze métallique architectural conforme WCAG */
  --accent-hover:    #784212;
  --accent-light:    #FDF6F0;

  --border:          #E2E8F0;
  --border-light:    #F1F5F9;
  --border-focus:    #38BDF8;

  /* Polices */
  --font-heading:    'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:       'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:       'JetBrains Mono', monospace;

  /* Rayons & Ombres */
  --radius-sm:       8px;
  --radius-md:       14px;
  --radius-lg:       20px;
  --radius-full:     9999px;

  --shadow-subtle:   0 2px 8px -2px rgba(15, 23, 42, 0.05);
  --shadow-card:     0 10px 30px -10px rgba(15, 23, 42, 0.08);
  --shadow-hover:    0 20px 35px -10px rgba(15, 23, 42, 0.14);
  --shadow-elevated: 0 25px 50px -12px rgba(15, 23, 42, 0.18);

  /* Transitions */
  --transition-fast:  0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-image:  0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

/* ==========================================================================
   RESET & BASES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-main);
  color: var(--text-body);
}

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

img, picture, svg, video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.wrap-narrow {
  max-width: 860px;
}

/* Badges / Eyebrow */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #075985;
  background: var(--primary-light);
  padding: 0.38rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
}

.eyebrow-accent {
  color: #784212;
  background: var(--accent-light);
}

/* ==========================================================================
   NAVIGATION / HEADER FIXE TRANSLUCIDE
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
  background: rgba(255, 255, 255, 0.98);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 1.5rem;
}

/* Logo */
.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.logo-brand img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

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

.logo-brand .brand-meta {
  display: flex;
  flex-direction: column;
}

.logo-brand .brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.logo-brand .brand-tagline {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Navigation principale */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-body);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.main-nav a:hover {
  color: var(--primary);
  background-color: var(--bg-subtle);
}

.main-nav a.active {
  color: var(--primary);
  font-weight: 600;
  background-color: var(--primary-light);
}

/* Header Action */
.header-action {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-inverse);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.14);
}

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

.btn-outline:hover {
  border-color: var(--primary);
  color: #FFFFFF;
  background: var(--primary);
}

.btn-accent {
  background: var(--accent);
  color: var(--text-inverse);
}

.btn-accent:hover {
  background: var(--accent-hover);
  color: var(--text-inverse);
}

.btn-white {
  background: #FFFFFF;
  color: var(--text-main);
  box-shadow: var(--shadow-subtle);
}

.btn-white:hover {
  background: #F8FAFC;
  color: var(--primary);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

/* Burger Mobile */
.burger {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.burger:hover {
  background: var(--bg-subtle);
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav-panel {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(380px, 86vw);
  height: 100vh;
  background: var(--bg-main);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1001;
  padding: 2.5rem 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
}

.mobile-nav-panel.open {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.mobile-nav-panel ol {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-panel a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-body);
}

.mobile-nav-panel a:hover,
.mobile-nav-panel a.active {
  background: var(--primary-light);
  color: var(--primary);
}

.mobile-nav-contact {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.mobile-nav-contact a {
  padding: 0;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--primary);
}

.scrim {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 1000;
}

.scrim.open {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   HERO SECTION ARCHITECTURALE (ACCUEIL)
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 50%, #F1F5F9 100%);
  padding: 5.5rem 0 6rem;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background-image: 
    radial-gradient(#CBD5E1 1.2px, transparent 1.2px),
    linear-gradient(to right, rgba(255,255,255,1), transparent 30%);
  background-size: 24px 24px;
  opacity: 0.45;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.3rem;
  color: var(--text-main);
}

.hero-content h1 em {
  font-style: normal;
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero-content h1 em::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 6px;
  background: var(--primary-light);
  z-index: -1;
  border-radius: 4px;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 54ch;
  margin-bottom: 2.2rem;
}

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

.hero-badges-strip {
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero-badge-item {
  display: flex;
  flex-direction: column;
}

.hero-badge-item .val {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
}

.hero-badge-item .lbl {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Carte visuelle Hero */
.hero-visual {
  position: relative;
}

.hero-card-featured {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.hero-card-featured:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.hero-card-featured img {
  border-radius: var(--radius-md);
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-card-caption {
  padding: 1.2rem 0.8rem 0.6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-card-caption .title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
}

.hero-card-caption .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   SECTIONS GÉNÉRIQUES & EN-TÊTES
   ========================================================================== */
section {
  padding: 5.5rem 0;
}

.section-subtle {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: 680px;
  margin-bottom: 3.5rem;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

/* ==========================================================================
   4 ACTIVITÉS PRINCIPALES (CARDS BENTO)
   ========================================================================== */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.75rem;
}

.activity-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
  position: relative;
}

.activity-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.activity-card.col-6 {
  grid-column: span 6;
}

.activity-card.col-4 {
  grid-column: span 4;
}

.activity-card .card-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-surface);
}

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

.activity-card:hover .card-thumb img {
  transform: scale(1.06);
}

.activity-card .card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  box-shadow: var(--shadow-subtle);
}

.activity-card .card-body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.activity-card .card-body h3 {
  font-size: 1.35rem;
  margin-bottom: 0.65rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.activity-card .card-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.4rem;
  flex: 1;
}

.activity-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
}

.activity-card .card-footer .arrow {
  transition: transform var(--transition-fast);
}

.activity-card:hover .card-footer .arrow {
  transform: translateX(5px);
}

/* ==========================================================================
   5ÈME BOUTON — NOTRE ANCIENNE ACTIVITÉ
   ========================================================================== */
.ancient-activity-cta {
  display: flex;
  justify-content: center;
  margin-top: 2.75rem;
  padding: 0 1rem;
}

.btn-ancient {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 1.75rem;
  background: #FFFFFF;
  color: var(--text-main);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
  text-decoration: none;
  font-family: var(--font-heading);
  transition: all var(--transition-base);
  max-width: 580px;
  width: 100%;
}

.btn-ancient:hover {
  border-color: var(--primary);
  background: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(3, 105, 161, 0.12);
  color: var(--primary);
}

.btn-ancient-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-ancient-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-ancient:hover .btn-ancient-icon {
  background: var(--primary);
  color: #FFFFFF;
}

.btn-ancient-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.btn-ancient-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.btn-ancient:hover .btn-ancient-title {
  color: var(--primary);
}

.btn-ancient-sub {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.25;
}

.btn-ancient-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface);
  color: var(--primary);
  transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

.btn-ancient:hover .btn-ancient-arrow {
  transform: translateX(4px);
  background: var(--primary);
  color: #FFFFFF;
}

@media (max-width: 640px) {
  .btn-ancient {
    padding: 0.85rem 1.25rem;
    gap: 0.75rem;
  }
  .btn-ancient-icon {
    width: 38px;
    height: 38px;
  }
  .btn-ancient-title {
    font-size: 0.95rem;
  }
  .btn-ancient-sub {
    font-size: 0.8rem;
  }
}

/* ==========================================================================
   VIDÉO PANNEAU ROTATIF (DÉMONSTRATION)
   ========================================================================== */
.video-showcase-wrapper {
  margin-bottom: 3.5rem;
}

.video-card {
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
  background: #0B1325;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
  position: relative;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.video-card:hover {
  border-color: rgba(3, 105, 161, 0.4);
  box-shadow: 0 18px 44px rgba(3, 105, 161, 0.16);
}

.video-player-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0B1325;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-player-container video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 1.65rem;
  background: rgba(11, 19, 37, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid rgba(255, 255, 255, 0.28);
  border-radius: 9999px;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-base);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.video-play-btn:hover {
  background: rgba(3, 105, 161, 0.95);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translate(-50%, -50%) scale(1.04);
  box-shadow: 0 16px 40px rgba(3, 105, 161, 0.5);
}

.play-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), background var(--transition-fast);
  flex-shrink: 0;
  padding-left: 3px;
}

.video-play-btn:hover .play-icon-circle {
  background: #FFFFFF;
  color: var(--primary);
  transform: scale(1.08);
}

.video-play-btn.playing {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.9);
}

@media (max-width: 640px) {
  .video-showcase-wrapper {
    margin-bottom: 2rem;
  }
  .video-play-btn {
    padding: 0.75rem 1.15rem;
    gap: 0.6rem;
    font-size: 0.88rem;
  }
  .play-icon-circle {
    width: 36px;
    height: 36px;
  }
  .play-icon-circle svg {
    width: 20px;
    height: 20px;
  }
}

/* ==========================================================================
   EN-TÊTE DE CATÉGORIE ENRICHI (PAGES PRODUITS)
   ========================================================================== */
.category-hero {
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border);
  padding: 4.5rem 0 3.5rem;
  position: relative;
}

.category-hero-content {
  max-width: 820px;
}

.category-hero h1 {
  font-size: clamp(2.3rem, 4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.category-hero .category-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 52ch;
  margin-bottom: 2rem;
}

/* 3 Badges / Points Forts */
.category-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.highlight-pill {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: #FFFFFF;
  border: 1px solid var(--border);
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.highlight-pill:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.highlight-pill .icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.highlight-pill .icon svg {
  width: 22px;
  height: 22px;
}

.highlight-pill .info {
  display: flex;
  flex-direction: column;
}

.highlight-pill .info .label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.highlight-pill .info .sub {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ==========================================================================
   GRILLE PHOTO DYNAMIQUE ET MODERNE (BENTO / MASONRY)
   ========================================================================== */
.gallery-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.gallery-section-head h2 {
  font-size: 1.75rem;
  color: var(--text-main);
}

.gallery-section-head p {
  max-width: 50ch;
  line-height: 1.6;
}

.gallery-count-badge {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
}

/* Système de Filtres (Galerie Globale) */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: #FFFFFF;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-light);
}

.filter-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-glow);
}

/* Grille CSS Moderne Bento */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

/* Carte Image dans la grille */
.bento-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  aspect-ratio: 4 / 3;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), opacity 0.3s ease;
}

/* Variations de largeur Bento Grid */
.bento-item.span-4 {
  grid-column: span 4;
}

.bento-item.span-6 {
  grid-column: span 6;
}

.bento-item.span-8 {
  grid-column: span 8;
  aspect-ratio: 16 / 9;
}

.bento-item.span-12 {
  grid-column: span 12;
  aspect-ratio: 21 / 9;
}

/* Image à l'intérieur */
.bento-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-image);
}

/* Hover Effects */
.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-focus);
}

.bento-item:hover img {
  transform: scale(1.06);
}

/* Overlay & Zoom au survol (Sans aucun texte / nom) */
.bento-item .item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.bento-item:hover .item-overlay {
  opacity: 1;
}

.item-overlay .overlay-top {
  position: static;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  display: grid;
  place-items: center;
  color: var(--primary);
  transform: scale(0.85);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.bento-item:hover .item-overlay .overlay-top {
  transform: scale(1);
}

.item-overlay .item-category,
.item-overlay .item-title,
.bento-item .item-id-badge {
  display: none !important;
}
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: #1E293B;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  transition: opacity 0.25s ease;
}

.bento-item:hover .item-id-badge {
  opacity: 0;
}

/* Placeholder si image introuvable */
.bento-item.img-missing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  color: var(--text-light);
}

/* ==========================================================================
   BANDEAU CTA FINAL (EN BAS DE CHAQUE PAGE)
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin: 3rem 0;
  box-shadow: var(--shadow-elevated);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner .cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.cta-banner h2 {
  color: #FFFFFF;
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.15rem;
}

.cta-banner p {
  color: #CBD5E1;
  font-size: 1.12rem;
  line-height: 1.65;
  margin-bottom: 2.2rem;
}

.cta-banner .cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.cta-banner .btn-outline {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.45);
}

.cta-banner .btn-outline:hover {
  background: #FFFFFF;
  color: #0F172A;
  border-color: #FFFFFF;
}

/* Breadcrumb Architectural Navigation */
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #475569;
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--primary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.breadcrumb .sep {
  color: #94A3B8;
  user-select: none;
}

.breadcrumb .current {
  color: var(--text-main);
  font-weight: 600;
}

/* Feature Cards (Clean inline icon layout) */
.feature-card {
  background: #FFFFFF;
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.feature-card .card-header-inline {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.feature-card .card-header-inline svg {
  color: var(--primary);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.2rem;
  color: var(--text-main);
  margin-bottom: 0;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   SECTION CONTACT & DEVIS
   ========================================================================== */
.contact-section {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--shadow-subtle);
}

.contact-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.contact-role {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
  display: block;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-light);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item .icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.contact-item .info {
  display: flex;
  flex-direction: column;
}

.contact-item .info .label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item .info .val {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

.contact-item .info a.val:hover {
  color: var(--primary);
}

/* Formulaire de Devis */
.form-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  color: var(--text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 4.5rem 0 2.5rem;
  border-top: 1px solid #1E293B;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand .brand-name {
  color: #FFFFFF;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.footer-brand .brand-tagline {
  color: #38BDF8;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
  display: block;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: #CBD5E1;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #CBD5E1;
  font-size: 0.9rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
  color: #38BDF8;
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #1E293B;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   LIGHTBOX PLEIN ÉCRAN FLUIDE & MODERNE
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
  z-index: 9999;
  padding: 1.5rem;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 92vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox .lb-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.6);
  user-select: none;
  transition: transform 0.25s ease;
}

.lightbox-caption-bar {
  margin-top: 1rem;
  text-align: center;
  color: #F8FAFC;
}

.lightbox-caption-bar .lb-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.lightbox-caption-bar .lb-counter {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #94A3B8;
  letter-spacing: 0.06em;
}

/* Boutons Contrôles Lightbox */
.lightbox .lb-btn {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  cursor: pointer;
  border-radius: 50%;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.lightbox .lb-btn:hover {
  background: rgba(2, 132, 199, 0.85);
  border-color: #38BDF8;
  transform: scale(1.08);
}

.lightbox .lb-close {
  top: 24px;
  right: 24px;
}

.lightbox .lb-prev {
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox .lb-prev:hover {
  transform: translateY(-50%) scale(1.08);
}

.lightbox .lb-next {
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox .lb-next:hover {
  transform: translateY(-50%) scale(1.08);
}

/* ==========================================================================
   ANIMATIONS AU DÉFILEMENT (SCROLL REVEAL)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ==========================================================================
   RESPONSIVE DESIGN (TABLETTE & MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero::before {
    display: none;
  }
  .activities-grid .activity-card.col-6 {
    grid-column: span 12;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .bento-item.span-4 {
    grid-column: span 6;
  }
  .bento-item.span-8 {
    grid-column: span 6;
  }
}

@media (max-width: 820px) {
  /* Sur mobile, assurer que tous les éléments et galeries sont visibles immédiatement sans blocage d'animation */
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  .main-nav, .header-action .btn {
    display: none;
  }
  .burger {
    display: flex;
  }
  .site-header .wrap {
    height: 70px;
  }
  .bento-grid {
    gap: 16px;
  }
  .bento-item.span-4,
  .bento-item.span-6,
  .bento-item.span-8,
  .bento-item.span-12 {
    grid-column: span 12;
    aspect-ratio: 4 / 3;
  }
  .bento-item .item-overlay {
    display: none !important;
  }
}

@media (max-width: 640px) {
  section {
    padding: 3.5rem 0;
  }
  .hero {
    padding: 3.5rem 0 4rem;
  }
  .category-hero {
    padding: 3rem 0 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .lightbox .lb-btn {
    width: 42px;
    height: 42px;
  }
  .lightbox .lb-prev { left: 10px; }
  .lightbox .lb-next { right: 10px; }
  .lightbox .lb-close { top: 12px; right: 12px; }
}

@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 !important;
    transform: none !important;
  }
}