/* --- Header (Dark Glass) --- */
/* Animations preserved exactly as before */

/* Animation de rebond organique pour le logo */
@keyframes organic-bounce {
  0% { transform: scale(1) skewX(0deg); filter: brightness(1); }
  30% { transform: scale(1.07, 0.95) skewX(-3deg); filter: brightness(1.07); }
  55% { transform: scale(0.98, 1.03) skewX(2deg); filter: brightness(1.03); }
  80% { transform: scale(1.02, 0.99) skewX(-1deg); filter: brightness(1.01); }
  100% { transform: scale(1) skewX(0deg); filter: brightness(1); }
}

.organic-bounce {
  animation: organic-bounce 0.35s cubic-bezier(.6,-0.28,.74,1.33);
  will-change: transform, filter;
  transform-origin: center;
}

/* =====================================================
   PALETTE & TOKENS (accents bleu/violet, fond sombre)
   ===================================================== */
:root {
  --glass-tint: rgba(10, 15, 25, 0.55);
  --glass-tint-strong: rgba(10, 15, 25, 0.72);
  --glass-stroke: rgba(255, 255, 255, 0.06);
  --glass-inner-top: rgba(255, 255, 255, 0.06);
  --text-default: #e5e7eb; /* Gray 200 */
  --text-muted: #cbd5e1;   /* Slate 300 */
  --text-dim: #94a3b8;     /* Slate 400 */
  --accent-1: #8b5cf6;     /* Violet 500/600 */
  --accent-2: #22d3ee;     /* Cyan 400 */
  --accent-3: #60a5fa;     /* Blue 400 */
  --ring-cyan: rgba(34, 211, 238, 0.22);
  --ring-violet: rgba(139, 92, 246, 0.22);
  --hover-bg: rgba(99, 102, 241, 0.10); /* Indigo 500 @ 10% */
  --hover-bg-strong: rgba(124, 58, 237, 0.14);
  --shadow-outer: 0 12px 30px -14px rgba(2, 6, 23, 0.7);
  --shadow-inner-1: inset 0 1px 0 rgba(255,255,255,0.08);
  --shadow-inner-2: inset 0 -1px 0 rgba(0,0,0,0.35);
  --blur-strength: saturate(160%) blur(16px);
  --round: 18px;
  --primary-color: var(--accent-1);
  --secondary-color: var(--accent-2);
}

/* =====================================================
   HEADER CONTAINER — Dark Glass background on dark sites
   ===================================================== */
header.glass-dark {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding-top: 1rem;
  padding-bottom: 1rem;
  height: auto;
  transition: all 0.3s ease;
  /* Glassmorphism layers: two subtle accent glows + dark tint */
  background:
    radial-gradient(120% 180% at 10% -20%, rgba(139, 92, 246, 0.18), transparent 60%),
    radial-gradient(140% 200% at 95% 0%, rgba(34, 211, 238, 0.18), transparent 55%),
    linear-gradient(180deg, var(--glass-tint-strong), var(--glass-tint));
  backdrop-filter: var(--blur-strength);
  -webkit-backdrop-filter: var(--blur-strength);
  border-bottom: 1px solid var(--glass-stroke);
  box-shadow: var(--shadow-outer), var(--shadow-inner-1), var(--shadow-inner-2);
}

/* Subtle top edge sheen */
header.glass-dark::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-inner-top), transparent);
  pointer-events: none;
}

/* Logo & Title */
header.glass-dark #logo-link img { filter: drop-shadow(0 2px 10px rgba(0,0,0,0.35)); }
header.glass-dark .gradient-text {
  background: linear-gradient(90deg, var(--primary-color, #8b5cf6), var(--secondary-color, #22d3ee));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* =====================================================
   NAV LINKS — keep underline animation, just recolor
   ===================================================== */
header.glass-dark nav a {
  position: relative;
  transition: color 0.22s cubic-bezier(0.4, 2, 0.6, 1);
  color: var(--text-muted);
}

header.glass-dark nav a::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  opacity: 0;
  transform: scaleX(0);
  transition:
    opacity 0.22s cubic-bezier(0.4, 2, 0.6, 1),
    transform 0.28s cubic-bezier(0.4, 2, 0.6, 1);
  border-radius: 2px;
}

header.glass-dark nav a:hover,
header.glass-dark nav a:focus {
  color: #f1f5f9; /* Slate 100 */
}

header.glass-dark nav a:hover::after,
header.glass-dark nav a:focus::after {
  opacity: 1;
  transform: scaleX(1);
}

/* Style du bouton Services pour correspondre aux autres liens */
header.glass-dark .dropdown-services > button, header.glass-dark .dropdown-services-2 > button {
  color: var(--text-muted);
  transition: color 0.22s cubic-bezier(0.4, 2, 0.6, 1);
}
header.glass-dark .dropdown-services > button:hover,
header.glass-dark .dropdown-services > button:focus,
header.glass-dark .dropdown-services-2 > button:hover,
header.glass-dark .dropdown-services-2 > button:focus {
  color: #f1f5f9; /* Slate 100 */
}

/* =====================================================
   DESKTOP DROPDOWN (Services) — glass panel
   ===================================================== */
.dropdown-services, .dropdown-services-2 { position: relative; display: inline-block; }

.dropdown-services .dropdown-link, .dropdown-services-2 .dropdown-link {
  transition: background 0.2s, color 0.2s, transform 0.18s;
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-dim);
  text-decoration: none;
  border-radius: 10px;
}

.dropdown-services .dropdown-link:hover, .dropdown-services-2 .dropdown-link:hover {
  background: linear-gradient(90deg, rgba(139,92,246,0.10) 0%, rgba(34,211,238,0.10) 100%);
  color: #eaf2ff;
  transform: translateX(5px) scale(1.04);
}

/* Hidden dropdown panel */
.dropdown-services #services-dropdown-menu, .dropdown-services-2 #services2-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
  width: 14rem;
  background:
    linear-gradient(180deg, rgba(15, 20, 32, 1), rgba(15, 20, 32, 0.99));
  backdrop-filter: var(--blur-strength);
  -webkit-backdrop-filter: var(--blur-strength);
  border: 1px solid var(--glass-stroke);
  border-radius: 0.75rem;
  box-shadow:
    0 10px 32px rgba(2, 6, 23, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 9999;
  display: block;
}

.dropdown-services #services-dropdown-menu.visible, .dropdown-services-2 #services2-dropdown-menu.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

#services-dropdown-menu a, #services2-dropdown-menu a {
  display: block;
  padding: 0.75rem 1.5rem;
  margin: 0 -1rem;
  padding-left: 2rem;
  padding-right: 2rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  z-index: 1;
  border-radius: 8px;
}

#services-dropdown-menu a::before, #services2-dropdown-menu a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(99,102,241,0.12) 0%, rgba(34,211,238,0.12) 100%);
  z-index: -1;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 8px;
}

#services-dropdown-menu a:hover, #services2-dropdown-menu a:hover {
  color: #f8fafc;
  transform: translateX(0) scale(1.02);
  box-shadow: 0 0 0 3px var(--ring-violet), 0 0 0 6px var(--ring-cyan);
}

#services-dropdown-menu a:hover::before, #services2-dropdown-menu a:hover::before {
  transform: scaleX(1);
}

/* =====================================================
   MOBILE MENU — glass panel + same interactions
   ===================================================== */
#mobile-menu {
  display: block;
  position: absolute;
  background:
    linear-gradient(180deg, rgba(15, 20, 32, 0.78), rgba(15, 20, 32, 0.58));
  backdrop-filter: var(--blur-strength);
  -webkit-backdrop-filter: var(--blur-strength);
  margin: 1rem 0.5rem 0;
  padding: 0.5rem 0;
  border-radius: 1rem;
  box-shadow: 0 10px 25px -5px rgba(2, 6, 23, 0.65), 0 8px 10px -6px rgba(2, 6, 23, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, border-radius 0.2s ease;
  transform: translateY(10px);
  width: calc(100% - 1rem);
  top: 100%;
  left: 0.5rem;
  right: 0.5rem;
  border: 1px solid var(--glass-stroke);
  overflow: hidden;
}

#mobile-menu:not(.hidden) {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  background: rgba(15, 20, 32, 0.985); /* Fond encore plus opaque */
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  border: 1.5px solid rgba(255, 255, 255, 0.12); /* Contour plus marqué */
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Items */
#mobile-menu > a {
  display: block;
  padding: 0.75rem 1.5rem;
  margin: 0 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
  border-radius: 0.75rem;
}

#mobile-menu > a::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(139,92,246,0.10) 0%, rgba(34,211,238,0.10) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

#mobile-menu > a:hover {
  color: #e2e8f0;
  transform: translateX(4px);
  background-color: rgba(2,6,23,0.25);
  border-radius: 0.75rem;
  margin: 0 0.5rem;
}

#mobile-menu > a:hover::before { transform: scaleX(1); }

#mobile-menu > a:active {
  transform: translateX(4px) scale(0.98);
  transition: transform 0.1s ease;
}

/* Mobile services button */
#mobile-services-btn, #mobile-services2-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: calc(100% - 1rem);
  margin: 0 0.5rem;
  border-radius: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-services-btn::before, #mobile-services2-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(99,102,241,0.10) 0%, rgba(34,211,238,0.10) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

#mobile-services-btn:hover, #mobile-services2-btn:hover {
  color: #e2e8f0;
  transform: translateX(4px);
  background-color: rgba(2,6,23,0.22);
}

#mobile-services-btn:hover::before, #mobile-services2-btn:hover::before { transform: scaleX(1); }

#mobile-services-btn:active, #mobile-services2-btn:active {
  transform: translateX(4px) scale(0.98);
  transition: transform 0.1s ease;
}

#mobile-services-btn svg, #mobile-services2-btn svg {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: 0.5rem;
}

#mobile-services-btn[aria-expanded="true"] svg, #mobile-services2-btn[aria-expanded="true"] svg { transform: rotate(180deg); }

/* Extended container */
#mobile-menu-extended {
  margin-top: 0.5rem;
  padding: 1rem 0;
  position: absolute;
  left: 1rem;
  right: 1rem;
  top: 100%;
  z-index: 1000;
  height: auto;
}

/* Sub-menu panel */
#mobile-services-menu, #mobile-services2-menu {
  display: none;
  background: rgba(2, 6, 23, 0.35);
  margin: 0 0.5rem 0.5rem;
  padding: 0.25rem 0;
  border-radius: 0 0 0.75rem 0.75rem;
  overflow: hidden;
}

#mobile-services-menu:not(.hidden), #mobile-services2-menu:not(.hidden) { display: block !important; }

#mobile-services-menu a, #mobile-services2-menu a {
  display: block;
  padding: 0.8rem 2rem 0.8rem 2.5rem;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border-left: 3px solid transparent;
  background-color: transparent;
  margin: 0.25rem 1rem;
  border-radius: 0.5rem;
}

/* Style spécial pour les liens de fonctionnalités (plus petits) */
#mobile-services-menu a.text-sm {
  padding: 0.6rem 2rem 0.6rem 3rem;
  font-size: 0.85rem;
  color: #94a3b8;
  margin: 0.15rem 1rem;
}

#mobile-services-menu a::before, #mobile-services2-menu a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(99,102,241,0.12) 0%, rgba(34,211,238,0.12) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
  border-radius: 0.25rem;
}

#mobile-services-menu a:hover, #mobile-services2-menu a:hover {
  color: #f8fafc;
  padding-left: 2.8rem;
  border-left-color: var(--accent-1);
  background-color: rgba(2,6,23,0.25);
  transform: translateX(4px);
}

#mobile-services-menu a:active, #mobile-services2-menu a:active {
  transform: translateX(4px) scale(0.98);
  transition: transform 0.1s ease;
}

#mobile-services-menu a:hover::before, #mobile-services2-menu a:hover::before { transform: scaleX(1); }

/* Mobile menu button */
#mobile-menu-button {
  transition: all 0.3s ease;
  position: relative;
  width: 30px;
  height: 30px;
  display: none; /* Caché par défaut sur desktop */
  align-items: center;
  justify-content: center;
}

#mobile-menu-button:hover {
  opacity: 0.8;
}

/* Burger icon transformation to cross */
#mobile-menu-button .fa-bars,
#mobile-menu-button .fa-times {
  transition: all 0.3s ease;
  font-size: 1.5rem;
}

#mobile-menu-button .fa-times {
  display: none;
}

/* When menu is open, show cross and hide burger */
#mobile-menu-button.menu-open .fa-bars {
  display: none;
}

#mobile-menu-button.menu-open .fa-times {
  display: inline-block;
}

/* Animation for cross rotation */
#mobile-menu-button.menu-open {
  transform: rotate(90deg);
}

/* Buttons & icons */
#mobile-menu-button { transition: all 0.2s ease; z-index: 1001; position: relative; color: var(--text-default); }

/* Fade-in (unchanged) */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Utility (responsive scaffold preserved) */
@media (max-width: 768px) {
  /* Afficher le bouton burger uniquement sur mobile */
  #mobile-menu-button {
    display: flex !important;
  }
  
  /* Cacher les éléments desktop sur mobile */
  #login-button,
  #signup-button {
    display: none !important;
  }
  
  /* Afficher les éléments mobile */
  #mobile-login-button,
  #mobile-signup-button {
    display: block;
  }

  #mobile-login-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
  }

  #mobile-signup-button {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
  }
}

/* S'assurer que sur desktop, le menu mobile et le bouton burger sont cachés */
@media (min-width: 769px) {
  #mobile-menu-button {
    display: none !important;
  }
  
  #mobile-menu {
    display: none !important;
  }
}