/* ==========================================================================
   GLOBAL.CSS — Design System Ultra-Premium BibloSpace v2
   Glassmorphism · Mesh Gradients · Micro-interactions · Glow Effects
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES CSS — Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* SAPHIR — dominante */
  --color-primary:        #1D3461;
  --color-primary-dark:   #142548;
  --color-primary-light:  #2A4B8A;
  --color-primary-ghost:  rgba(29, 52, 97, 0.08);
  --color-primary-glass:  rgba(29, 52, 97, 0.12);
  --color-primary-subtle: rgba(29, 52, 97, 0.05);

  /* AMBRE — accent secondaire */
  --color-accent:         #C97B2C;
  --color-accent-light:   #E09540;
  --color-accent-dark:    #A05E1A;
  --color-accent-glass:   rgba(201, 123, 44, 0.12);

  /* SARCELLE — découverte, carte, géo */
  --color-teal:           #0A7E72;
  --color-teal-light:     #13A394;
  --color-teal-glass:     rgba(10, 126, 114, 0.10);

  /* BLANC ET PARCHEMIN */
  --color-white:          #FFFFFF;
  --color-parchment:      #F7F5F1;
  --color-off-white:      #FAFAF8;
  --color-white-glass:    rgba(255, 255, 255, 0.85);

  /* GRIS NEUTRES */
  --color-gray-50:        #F9F9F7;
  --color-gray-100:       #F0EDE8;
  --color-gray-200:       #DDD9D2;
  --color-gray-300:       #C8C3BA;
  --color-gray-400:       #9B9488;
  --color-gray-600:       #6B6460;
  --color-gray-700:       #3A3530;
  --color-gray-900:       #1A1714;

  /* FONDS PRINCIPAUX */
  --color-bg-platform:    #F7F5F1;
  --color-bg-library:     #F7F5F1;
  --color-bg-admin:       #F2EFE9;
  --color-bg-dark:        #0A0F1E;
  --color-bg-dark-2:      #111827;
  --color-bg-sidebar:     #0A0F1E;

  /* STATUTS LIVRES */
  --color-status-available:     #1A7A4A;
  --color-status-available-bg:  #E8F5EE;
  --color-status-on-loan:       #B45309;
  --color-status-on-loan-bg:    #FEF3C7;
  --color-status-reserved:      #1E40AF;
  --color-status-reserved-bg:   #EFF6FF;
  --color-status-damaged:       #6B2121;
  --color-status-damaged-bg:    #FEE2E2;

  /* STATUTS BIBLIOTHÈQUES */
  --color-lib-active:     #1A7A4A;
  --color-lib-active-bg:  #E8F5EE;
  --color-lib-pending:    #B45309;
  --color-lib-pending-bg: #FEF3C7;
  --color-lib-suspended:  #6B2121;
  --color-lib-suspended-bg: #FEE2E2;

  /* SCORES LECTEURS */
  --color-score-excellent:    #C97B2C;
  --color-score-excellent-bg: #FEF3C7;
  --color-score-good:         #1A7A4A;
  --color-score-good-bg:      #E8F5EE;
  --color-score-warning:      #B45309;
  --color-score-warning-bg:   #FEF3C7;
  --color-score-suspended:    #6B2121;
  --color-score-suspended-bg: #FEE2E2;

  /* DÉGRADÉS PREMIUM */
  --gradient-hero-dark:  linear-gradient(145deg, #050D1A 0%, #0D1B33 35%, #0A2040 70%, #071428 100%);
  --gradient-hero-blue:  linear-gradient(160deg, #080E1C, #1D3461 60%, #2A4B8A);
  --gradient-primary:    linear-gradient(160deg, #0D1728, #1D3461 50%, #2A4B8A 100%);
  --gradient-accent:     linear-gradient(135deg, #A05E1A, #C97B2C 60%, #E09540);
  --gradient-brand:      linear-gradient(90deg, var(--color-primary), var(--color-teal));
  --gradient-dark:       linear-gradient(180deg, #0A0F1E, #111827);
  --gradient-mesh-1:     radial-gradient(ellipse 80% 80% at 20% 20%, rgba(29,52,97,0.65) 0%, transparent 60%);
  --gradient-mesh-2:     radial-gradient(ellipse 60% 60% at 80% 80%, rgba(10,126,114,0.45) 0%, transparent 60%);
  --gradient-mesh-3:     radial-gradient(ellipse 50% 50% at 50% 10%, rgba(201,123,44,0.30) 0%, transparent 60%);

  /* GLASSMORPHISME — tokens */
  --glass-bg:           rgba(255, 255, 255, 0.08);
  --glass-bg-light:     rgba(255, 255, 255, 0.72);
  --glass-bg-medium:    rgba(255, 255, 255, 0.55);
  --glass-bg-heavy:     rgba(255, 255, 255, 0.88);
  --glass-border:       rgba(255, 255, 255, 0.20);
  --glass-border-light: rgba(255, 255, 255, 0.12);
  --glass-shadow:       0 8px 32px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(255,255,255,0.20);
  --glass-shadow-hover: 0 24px 60px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(255,255,255,0.28);

  /* GLOW EFFECTS */
  --glow-primary:  0 0 40px rgba(29, 52, 97, 0.30);
  --glow-accent:   0 0 40px rgba(201, 123, 44, 0.35);
  --glow-teal:     0 0 40px rgba(10, 126, 114, 0.28);
  --glow-white:    0 0 60px rgba(255, 255, 255, 0.15);
  --glow-sm:       0 0 20px rgba(29, 52, 97, 0.20);

  /* ANIMATION TOKENS */
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth:   cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:      cubic-bezier(0.0, 0, 0.2, 1);
  --t-fast:        150ms var(--ease-smooth);
  --t-normal:      250ms var(--ease-smooth);
  --t-slow:        400ms var(--ease-smooth);
  --t-spring:      500ms var(--ease-spring);

  /* TYPOGRAPHIE */
  --font-display:  'Space Grotesk', -apple-system, sans-serif;
  --font-heading:  'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-body:     'Inter', -apple-system, sans-serif;
  --font-ui:       'Inter', -apple-system, sans-serif;
  --font-tagline:  'Fraunces', Georgia, serif;

  /* RADIUS */
  --radius-btn:    9999px;
  --radius-card:   20px;
  --radius-modal:  20px;
  --radius-input:  12px;
  --radius-sm:     10px;
}

/* --------------------------------------------------------------------------
   2. BASE & RESET
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-gray-700);
  background: var(--color-bg-platform);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; }
h4, h5, h6 { font-family: var(--font-heading); line-height: 1.3; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* Scrollbar premium */
::-webkit-scrollbar              { width: 5px; height: 5px; }
::-webkit-scrollbar-track        { background: transparent; }
::-webkit-scrollbar-thumb        { background: var(--color-gray-300); border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover  { background: var(--color-primary-light); }

/* --------------------------------------------------------------------------
   3. BOUTONS PREMIUM
   -------------------------------------------------------------------------- */
.btn-primary,
.btn-accent,
.btn-outline,
.btn-ghost,
.btn-teal,
.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: none;
  cursor: pointer;
  transition: transform var(--t-spring), box-shadow var(--t-normal), background var(--t-fast);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

/* Shimmer overlay on all buttons */
.btn-primary::after, .btn-accent::after, .btn-teal::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 500ms;
}
.btn-primary:hover::after, .btn-accent:hover::after, .btn-teal:hover::after {
  transform: translateX(100%);
}

.btn-primary {
  background: linear-gradient(135deg, #1D3461, #2A4B8A);
  color: #fff;
  box-shadow: 0 4px 16px rgba(29, 52, 97, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 8px 32px rgba(29, 52, 97, 0.50);
}
.btn-primary:active { transform: translateY(0) scale(0.99); }

.btn-accent {
  background: linear-gradient(135deg, #A05E1A, #C97B2C, #E09540);
  color: #fff;
  box-shadow: 0 4px 16px rgba(201, 123, 44, 0.40);
}
.btn-accent:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 8px 32px rgba(201, 123, 44, 0.55);
}
.btn-accent:active { transform: translateY(0) scale(0.99); }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  box-shadow: inset 0 0 0 0 var(--color-primary);
  transition: box-shadow var(--t-normal), color var(--t-normal), transform var(--t-spring);
}
.btn-outline:hover {
  box-shadow: inset 0 0 0 40px var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.btn-teal {
  background: linear-gradient(135deg, #086d63, #0A7E72, #13A394);
  color: #fff;
  box-shadow: 0 4px 16px rgba(10, 126, 114, 0.35);
}
.btn-teal:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(10, 126, 114, 0.50);
}

.btn-danger {
  background: linear-gradient(135deg, #7f1d1d, #991B1B);
  color: #fff;
  box-shadow: 0 4px 12px rgba(153,27,27,0.30);
}
.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(153,27,27,0.45);
}

.btn-sm  { padding: 8px 18px; font-size: 13px; }
.btn-lg  { padding: 16px 36px; font-size: 16px; letter-spacing: 0.04em; }
.btn-xl  { padding: 20px 44px; font-size: 17px; letter-spacing: 0.04em; }

.btn-icon {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9999px;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--t-normal);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.btn-icon:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: transparent;
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(29,52,97,0.30);
}

/* --------------------------------------------------------------------------
   4. BADGES DE STATUT
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.badge-available  { background: rgba(26,122,74,0.12);  color: var(--color-status-available); border: 1px solid rgba(26,122,74,0.20); }
.badge-on-loan    { background: rgba(180,83,9,0.12);    color: var(--color-status-on-loan);  border: 1px solid rgba(180,83,9,0.20); }
.badge-reserved   { background: rgba(30,64,175,0.10);   color: var(--color-status-reserved); border: 1px solid rgba(30,64,175,0.18); }
.badge-damaged    { background: rgba(107,33,33,0.10);   color: var(--color-status-damaged);  border: 1px solid rgba(107,33,33,0.18); }

.badge-lib-active    { background: rgba(26,122,74,0.12);  color: var(--color-lib-active);    border: 1px solid rgba(26,122,74,0.20); }
.badge-lib-pending   { background: rgba(180,83,9,0.12);   color: var(--color-lib-pending);   border: 1px solid rgba(180,83,9,0.20); }
.badge-lib-suspended { background: rgba(107,33,33,0.10);  color: var(--color-lib-suspended); border: 1px solid rgba(107,33,33,0.18); }

.badge-open   { background: rgba(26,122,74,0.12); color: var(--color-lib-active); border: 1px solid rgba(26,122,74,0.20); animation: pulse-green 2.5s ease infinite; }
.badge-open::before { content: '● '; font-size: 8px; }
.badge-closed { background: var(--color-gray-100); color: var(--color-gray-600); border: 1px solid var(--color-gray-200); }

/* --------------------------------------------------------------------------
   5. GLASSMORPHISME — UTILITAIRES COMPLETS
   -------------------------------------------------------------------------- */

/* Base glass classes */
.glass-white {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.glass-primary {
  background: rgba(29, 52, 97, 0.18);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border: 1px solid rgba(29, 52, 97, 0.28);
}

.glass-dark {
  background: rgba(10, 15, 30, 0.82);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.glass-light {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

/* Premium glass cards */
.glass-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-card);
  box-shadow: var(--glass-shadow);
}

.glass-card-dark {
  background: rgba(10, 15, 30, 0.72);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-card);
  box-shadow: 0 8px 32px rgba(0,0,0,0.30);
}

.glass-card-hover {
  transition: transform var(--t-spring), box-shadow var(--t-normal);
}
.glass-card-hover:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--glass-shadow-hover);
}

/* --------------------------------------------------------------------------
   6. AMBIENT BLOBS
   -------------------------------------------------------------------------- */
.blob-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  animation: blob-float 9s ease-in-out infinite;
}

.blob-primary {
  background: radial-gradient(circle, rgba(29,52,97,0.55) 0%, transparent 70%);
}
.blob-accent {
  background: radial-gradient(circle, rgba(201,123,44,0.45) 0%, transparent 70%);
  animation-delay: -3s;
}
.blob-teal {
  background: radial-gradient(circle, rgba(10,126,114,0.40) 0%, transparent 70%);
  animation-delay: -6s;
}
.blob-white {
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
  animation-delay: -4.5s;
}

@keyframes blob-float {
  0%,100% { transform: translate(0, 0) scale(1); }
  25%      { transform: translate(20px, -24px) scale(1.04); }
  50%      { transform: translate(40px, 10px) scale(0.97); }
  75%      { transform: translate(-15px, 20px) scale(1.03); }
}

/* --------------------------------------------------------------------------
   7. SHIMMER EFFECT
   -------------------------------------------------------------------------- */
.shimmer {
  position: relative;
  overflow: hidden;
}
.shimmer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255,255,255,0.22) 50%, transparent 65%);
  transform: translateX(-100%);
  transition: transform 600ms ease;
  pointer-events: none;
}
.shimmer:hover::after { transform: translateX(100%); }

/* --------------------------------------------------------------------------
   8. GRADIENT TEXT
   -------------------------------------------------------------------------- */
.gradient-text {
  background: linear-gradient(135deg, #1D3461 0%, #2A4B8A 50%, #0A7E72 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-gold {
  background: linear-gradient(135deg, #A05E1A 0%, #C97B2C 50%, #E09540 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-white {
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.80) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-hero {
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.90) 40%, #C6D8FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --------------------------------------------------------------------------
   9. MESH BACKGROUND
   -------------------------------------------------------------------------- */
.mesh-bg {
  background: #0a0f1e;
  position: relative;
}
.mesh-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    var(--gradient-mesh-1),
    var(--gradient-mesh-2),
    var(--gradient-mesh-3);
  z-index: 0;
}

/* --------------------------------------------------------------------------
   10. SCROLL REVEAL ANIMATIONS
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease-smooth), transform 700ms var(--ease-smooth);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 700ms var(--ease-smooth), transform 700ms var(--ease-smooth);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition: opacity 700ms var(--ease-smooth), transform 700ms var(--ease-smooth);
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 600ms var(--ease-smooth), transform 600ms var(--ease-spring);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* Stagger delays */
.delay-100 { transition-delay: 0.10s; }
.delay-200 { transition-delay: 0.20s; }
.delay-300 { transition-delay: 0.30s; }
.delay-400 { transition-delay: 0.40s; }
.delay-500 { transition-delay: 0.50s; }
.delay-600 { transition-delay: 0.60s; }

/* --------------------------------------------------------------------------
   11. FLOAT ANIMATION
   -------------------------------------------------------------------------- */
@keyframes float-up {
  0%,100% { transform: translateY(0px); }
  50%      { transform: translateY(-10px); }
}
.float-card { animation: float-up 4.5s ease-in-out infinite; }
.float-card-slow { animation: float-up 7s ease-in-out infinite; }

/* --------------------------------------------------------------------------
   12. SCORES LECTEURS
   -------------------------------------------------------------------------- */
.score-bar {
  height: 6px;
  border-radius: 9999px;
  background: var(--color-gray-100);
  overflow: hidden;
}
.score-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.9s cubic-bezier(.4,0,.2,1);
}
.score-fill.excellent { background: linear-gradient(90deg, #A05E1A, #C97B2C); }
.score-fill.good      { background: linear-gradient(90deg, #0A7E72, #1A7A4A); }
.score-fill.warning   { background: linear-gradient(90deg, #B45309, #D97706); }
.score-fill.suspended { background: linear-gradient(90deg, #7f1d1d, #991B1B); }

/* --------------------------------------------------------------------------
   13. MODAL
   -------------------------------------------------------------------------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 30, 0.70);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.active { display: flex; }

.modal-content {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-modal);
  width: 100%;
  max-width: 500px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.22), 0 0 0 1px rgba(255,255,255,0.5);
  overflow: hidden;
  animation: modal-in 0.30s var(--ease-spring) both;
  border: 1px solid rgba(255,255,255,0.6);
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* --------------------------------------------------------------------------
   14. ANIMATIONS GLOBALES
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(26,122,74,0.4); }
  50%       { box-shadow: 0 0 0 6px rgba(26,122,74,0); }
}
@keyframes pulse-accent {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201,123,44,0.4); }
  50%       { box-shadow: 0 0 0 8px rgba(201,123,44,0); }
}
@keyframes glow-pulse-primary {
  0%, 100% { box-shadow: 0 0 30px rgba(29,52,97,0.3); }
  50%       { box-shadow: 0 0 60px rgba(29,52,97,0.6); }
}
@keyframes glow-pulse-accent {
  0%, 100% { box-shadow: 0 4px 20px rgba(201,123,44,0.4); }
  50%       { box-shadow: 0 8px 40px rgba(201,123,44,0.7); }
}
@keyframes markerBounce {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-5px); }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.animate-fade-in-up { animation: fadeInUp 0.6s var(--ease-smooth) both; }
.animate-spin       { animation: spin 1s linear infinite; }
.glow-pulse         { animation: glow-pulse-primary 2.5s ease infinite; }
.glow-pulse-accent  { animation: glow-pulse-accent 2.5s ease infinite; }

/* --------------------------------------------------------------------------
   15. FORMULAIRES PREMIUM
   -------------------------------------------------------------------------- */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-input);
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--color-gray-700);
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(8px);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(29,52,97,0.10), 0 0 20px rgba(29,52,97,0.08);
}
.form-input:hover:not(:focus),
.form-select:hover:not(:focus) {
  border-color: var(--color-gray-300);
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 6px;
  font-family: var(--font-ui);
  letter-spacing: 0.01em;
}
.form-error {
  font-size: 12px;
  color: #991B1B;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Password toggle */
.input-password-wrap { position: relative; }
.input-password-wrap .form-input { padding-right: 44px; }
.input-password-toggle {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: 4px;
  transition: color var(--t-fast);
}
.input-password-toggle:hover { color: var(--color-primary); }

/* --------------------------------------------------------------------------
   16. SÉPARATEUR PREMIUM
   -------------------------------------------------------------------------- */
.sep-gradient {
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(29,52,97,0.20), rgba(201,123,44,0.20), transparent);
  border: none;
  margin: 0;
}

.divider {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: 0;
}

/* --------------------------------------------------------------------------
   17. UTILITAIRES
   -------------------------------------------------------------------------- */
.hidden    { display: none !important; }
.sr-only   { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

.text-primary  { color: var(--color-primary); }
.text-accent   { color: var(--color-accent); }
.text-teal     { color: var(--color-teal); }
.text-muted    { color: var(--color-gray-400); }
.text-dark     { color: var(--color-gray-900); }

.bg-primary    { background: var(--color-primary); }
.bg-accent     { background: var(--color-accent); }
.bg-parchment  { background: var(--color-parchment); }
.bg-dark       { background: var(--color-bg-dark); }

.font-display  { font-family: var(--font-display); }
.font-heading  { font-family: var(--font-heading); }
.font-tagline  { font-family: var(--font-tagline); font-style: italic; }

/* Counter numeric */
.counter-value { font-variant-numeric: tabular-nums; }

/* ==========================================================================
   FLOAT NAV — Navigation flottante globale (pill style, frosted glass)
   ========================================================================== */
.float-nav {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1240px;
  height: 54px;
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.90);
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  border: 1px solid rgba(255, 255, 255, 0.60);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.09), 0 1px 0 rgba(255, 255, 255, 0.6) inset;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-ui);
  transition: box-shadow 0.3s;
}
.float-nav:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 1px 0 rgba(255, 255, 255, 0.6) inset;
}
/* Quand la page a un héros sombre (classe sur <nav>, pas sur body) */
.float-nav.over-dark {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.float-nav.over-dark .float-nav-link { color: rgba(255, 255, 255, 0.75); }
.float-nav.over-dark .float-nav-logo { color: #fff; }