/* ==========================================================================
   Feuille de style principale - NOTA BENE Excursion Culturelle
   Méthodologie : ai-motion-web-design
   Typographie : Cinzel (Titres Royaux/Patrimoniaux) & Plus Jakarta Sans (Corps/UI)
   Palette : Fond minéral noir pur (#090A0C), Or antique (#D4AF37), Vert sauge (#2C3E35)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --bg-main: #090A0C;
  --bg-card: rgba(18, 20, 26, 0.75);
  --bg-card-hover: rgba(24, 27, 34, 0.85);
  --gold-primary: #D4AF37;
  --gold-light: #E5C07B;
  --gold-dark: #A88622;
  --gold-muted: rgba(212, 175, 55, 0.18);
  --sage-deep: #1A2520;
  --sage-accent: #2C3E35;
  --text-pure: #FBFBFA;
  --text-muted: #9EA3AE;
  --text-faint: #626875;
  --border-gold: rgba(212, 175, 55, 0.22);
  --border-subtle: rgba(255, 255, 255, 0.08);
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-pure);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background-color: var(--bg-main);
}

/* --------------------------------------------------------------------------
   Typographie éditoriale d'exception
   -------------------------------------------------------------------------- */
.font-display {
  font-family: 'Cinzel', serif;
  letter-spacing: 0.04em;
}

.font-body {
  font-family: 'Plus Jakarta Sans', sans-serif;
}

/* Effet de lueur textuelle dorée feutrée */
.text-gold-gradient {
  background: linear-gradient(135deg, #FFFFFF 0%, #E5C07B 50%, #D4AF37 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gold-subtle {
  color: var(--gold-light);
}

/* --------------------------------------------------------------------------
   Fusion et Canvas Cinétique (Méthodologie ai-motion-web-design)
   -------------------------------------------------------------------------- */
.motion-canvas-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

#hero-motion-canvas {
  width: 100%;
  height: 100%;
  display: block;
  /* Application du mode d'exclusion pour éliminer toute démarcation de bord */
  mix-blend-mode: screen;
}

/* --------------------------------------------------------------------------
   Composants de cartes & Effets de verre (Glassmorphism Sombre)
   -------------------------------------------------------------------------- */
.card-heritage {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-gold);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-heritage:hover {
  background: var(--bg-card-hover);
  border-color: rgba(212, 175, 55, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 25px 50px -12px rgba(212, 175, 55, 0.12), 0 0 25px rgba(212, 175, 55, 0.08);
}

/* Cartes sélectionnables pour le choix des menus */
.menu-card {
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: rgba(18, 20, 26, 0.6);
  backdrop-filter: blur(10px);
  transition: all 0.25s ease;
  position: relative;
}

.menu-card:hover {
  border-color: rgba(212, 175, 55, 0.35);
  background: rgba(24, 27, 34, 0.8);
}

.menu-card.selected {
  border-color: var(--gold-primary);
  background: rgba(212, 175, 55, 0.08);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
}

.menu-card.selected .check-badge {
  background-color: var(--gold-primary);
  color: #090A0C;
  border-color: var(--gold-primary);
}

/* --------------------------------------------------------------------------
   Boutons Nobles et Actions
   -------------------------------------------------------------------------- */
.btn-gold {
  background: linear-gradient(135deg, #D4AF37 0%, #C5A880 100%);
  color: #090A0C;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #E5C07B 0%, #D4AF37 100%);
  box-shadow: 0 6px 25px rgba(212, 175, 55, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-pure);
  border: 1px solid var(--border-gold);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--gold-primary);
  color: var(--gold-light);
}

/* --------------------------------------------------------------------------
   Détails visuels et badges
   -------------------------------------------------------------------------- */
.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--gold-light);
}

.tag-sage {
  background: rgba(44, 62, 53, 0.35);
  border: 1px solid rgba(80, 120, 100, 0.4);
  color: #A3C9B5;
}

/* Ligne ornementale de séparation */
.divider-ornament {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold-primary) 50%, transparent 100%);
  opacity: 0.35;
}

/* Notification flottante (Toast) pour confirmation de copie IBAN */
#copy-toast {
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

#copy-toast.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Personnalisation de la barre de défilement */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #090A0C;
}
::-webkit-scrollbar-thumb {
  background: #252830;
  border-radius: 4px;
  border: 1px solid rgba(212, 175, 55, 0.2);
}
::-webkit-scrollbar-thumb:hover {
  background: #D4AF37;
}