/* ============================================================
   DESIGN SYSTEM — mon50ccetmoi v109
   Le système de design unifié pour toutes les pages.
   ============================================================ */

/* ─── 1. DESIGN TOKENS ─────────────────────────────────────── */
:root {
  /* Colors — Primary Palette */
  --color-bg:          #050508;
  --color-bg-elevated: #0a0d14;
  --color-surface:     rgba(12, 16, 28, 0.7);
  --color-surface-alt: rgba(20, 26, 42, 0.65);

  /* Accent Colors */
  --neon-cyan:    #00f2ff;
  --neon-gold:    #ffb703;
  --neon-red:     #ff0055;
  --neon-purple:  #b700ff;
  --neon-green:   #00e676;
  --neon-blue:    #0088ff;

  /* Semantic Colors */
  --color-primary:      var(--neon-cyan);
  --color-primary-glow: rgba(0, 242, 255, 0.35);
  --color-secondary:    var(--neon-gold);
  --color-secondary-glow: rgba(255, 183, 3, 0.35);
  --color-accent:       var(--neon-purple);
  --color-danger:       var(--neon-red);
  --color-danger-glow:  rgba(255, 0, 85, 0.35);
  --color-success:      var(--neon-green);
  --color-success-glow: rgba(0, 230, 118, 0.35);

  /* Text — Optimisé RGAA 4.1.2 / WCAG AA (> 4.5:1 sur fond sombre) */
  --text-primary:   #ffffff;
  --text-secondary: #b0b8c8;
  --text-muted:     #94a3b8; /* Rehaussé de #6b7280 pour contraste suffisant */
  --text-inverted:  #050508;

  /* Glassmorphism */
  --glass-bg:       rgba(12, 16, 28, 0.6);
  --glass-border:   rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --glass-blur:     16px;
  --glass-glow:     inset 0 0 20px rgba(0, 242, 255, 0.06);

  /* Spacing Scale */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Typography Scale */
  --font-sans:  'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Outfit', var(--font-sans);
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  2rem;       /* 32px */
  --text-4xl:  2.5rem;     /* 40px */
  --text-5xl:  3.5rem;     /* 56px */
  --text-hero: clamp(2.5rem, 6vw, 4.5rem);

  /* Border Radius */
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-xl:   20px;
  --radius-2xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:    0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md:    0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg:    0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl:    0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow-cyan:   0 0 30px var(--color-primary-glow);
  --shadow-glow-gold:   0 0 30px var(--color-secondary-glow);
  --shadow-glow-red:    0 0 30px var(--color-danger-glow);
  --shadow-glow-green:  0 0 30px var(--color-success-glow);

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Safe Areas (Mobile) */
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left:   env(safe-area-inset-left, 0px);
  --safe-right:  env(safe-area-inset-right, 0px);

  /* Layout */
  --max-width:   1200px;
  --max-width-sm: 640px;
  --max-width-md: 768px;
  --max-width-lg: 1024px;
}


/* ─── 2. BASE RESET ─────────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 8px var(--color-primary-glow);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}


/* ─── 3. TYPOGRAPHY ─────────────────────────────────────────── */
.heading-hero {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, #a0a0a0 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.heading-hero .highlight {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.heading-1 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.heading-2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.2;
}

.heading-3 {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.3;
}

.text-body { font-size: var(--text-base); color: var(--text-secondary); line-height: 1.7; }
.text-small { font-size: var(--text-sm); color: var(--text-muted); }
.text-mono { font-family: var(--font-mono); }
.text-gradient-cyan {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-gradient-gold {
  background: linear-gradient(135deg, var(--neon-gold), #ff8800);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}


/* ─── 4. LAYOUT ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-sm { max-width: var(--max-width-sm); }
.container-md { max-width: var(--max-width-md); }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }
.gap-xl  { gap: var(--space-xl); }

.section-spacing {
  padding: var(--space-4xl) 0;
}


/* ─── 5. GLASS CARDS ────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 242, 255, 0.05);
}

.glass-card-sm {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
}

.glass-card-highlight {
  border-color: rgba(0, 242, 255, 0.2);
  box-shadow: var(--glass-glow);
}


/* ─── 6. BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after { opacity: 1; }

/* Primary — Cyan Gradient */
.btn-primary {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  color: var(--text-inverted);
  box-shadow: 0 4px 20px var(--color-primary-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-primary-glow);
}

/* CTA — Gold/Orange Gradient */
.btn-cta {
  background: linear-gradient(135deg, var(--neon-gold), #ff6600);
  color: var(--text-inverted);
  padding: 16px 36px;
  font-size: var(--text-base);
  font-weight: 800;
  box-shadow: 0 4px 20px var(--color-secondary-glow);
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-secondary-glow);
}

/* Danger — Red */
.btn-danger {
  background: linear-gradient(135deg, var(--neon-red), #cc0044);
  color: white;
  box-shadow: 0 4px 20px var(--color-danger-glow);
}

/* Ghost — Transparent with border */
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 20px var(--color-primary-glow);
}

/* Icon Button */
.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}
.btn-icon:hover {
  border-color: var(--glass-border-hover);
  background: rgba(255, 255, 255, 0.08);
}

/* Button sizes */
.btn-sm { padding: 8px 16px; font-size: var(--text-xs); }
.btn-lg { padding: 18px 40px; font-size: var(--text-lg); font-weight: 800; }


/* ─── 7. FORM INPUTS ───────────────────────────────────────── */
.input-field {
  width: 100%;
  background: rgba(8, 12, 22, 0.8);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  outline: none;
  transition: all var(--transition-base);
}

.input-field::placeholder {
  color: var(--text-muted);
}

.input-field:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow), var(--glass-glow);
}

.input-field:invalid:not(:placeholder-shown) {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px var(--color-danger-glow);
}

.input-group {
  position: relative;
}

.input-group .input-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  transition: color var(--transition-fast);
  pointer-events: none;
}

.input-group .input-field {
  padding-left: 46px;
}

.input-group:focus-within .input-icon {
  color: var(--color-primary);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.select-field {
  width: 100%;
  background: rgba(8, 12, 22, 0.8);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  transition: all var(--transition-base);
}

.select-field:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}


/* ─── 8. BADGES & TAGS ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.badge-cyan {
  background: rgba(0, 242, 255, 0.1);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 242, 255, 0.25);
}

.badge-gold {
  background: rgba(255, 183, 3, 0.1);
  color: var(--neon-gold);
  border: 1px solid rgba(255, 183, 3, 0.25);
}

.badge-red {
  background: rgba(255, 0, 85, 0.1);
  color: var(--neon-red);
  border: 1px solid rgba(255, 0, 85, 0.25);
}

.badge-green {
  background: rgba(0, 230, 118, 0.1);
  color: var(--neon-green);
  border: 1px solid rgba(0, 230, 118, 0.25);
}

.badge-purple {
  background: rgba(183, 0, 255, 0.1);
  color: var(--neon-purple);
  border: 1px solid rgba(183, 0, 255, 0.25);
}


/* ─── 9. STAT CARDS ─────────────────────────────────────────── */
.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-card:hover::before { opacity: 1; }

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

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  background: rgba(0, 242, 255, 0.08);
  color: var(--neon-cyan);
}

.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-card .stat-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.stat-card .stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
  margin-top: var(--space-sm);
}

.stat-card .stat-trend.up { color: var(--neon-green); }
.stat-card .stat-trend.down { color: var(--neon-red); }


/* ─── 10. NAVBAR ────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: var(--space-sm) 5%;
  background: rgba(5, 5, 8, 0.95);
  box-shadow: var(--shadow-lg);
}

.navbar-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-logo i {
  color: var(--color-primary);
  filter: drop-shadow(0 0 6px var(--color-primary-glow));
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}


/* ─── 11. PROGRESS COMPONENTS ──────────────────────────────── */

/* Linear Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar .progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue));
  transition: width 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.progress-bar .progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

/* Circular Progress Ring (SVG-based) */
.progress-ring {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.progress-ring svg {
  transform: rotate(-90deg);
}

.progress-ring .progress-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
}

.progress-ring .progress-ring-fill {
  fill: none;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 0 6px var(--color-primary-glow));
}

.progress-ring .progress-ring-value {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--text-primary);
}


/* ─── 12. TABLES ────────────────────────────────────────────── */
.table-premium {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table-premium thead th {
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--glass-border);
}

.table-premium tbody td {
  padding: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  transition: background var(--transition-fast);
}

.table-premium tbody tr:hover td {
  background: rgba(0, 242, 255, 0.03);
}

.table-premium tbody tr:last-child td {
  border-bottom: none;
}


/* ─── 13. BOTTOM NAV (Mobile) ──────────────────────────────── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(8, 10, 18, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: var(--space-sm) 0;
  padding-bottom: max(var(--space-sm), var(--safe-bottom));
  z-index: 1000;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-xs) var(--space-md);
  text-decoration: none;
  color: var(--text-muted);
  font-size: var(--text-xs);
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
  position: relative;
}

.bottom-nav-item i {
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
  color: var(--color-primary);
}

.bottom-nav-item.active i {
  filter: drop-shadow(0 0 8px var(--color-primary-glow));
}

.bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 0 0 3px 3px;
}


/* ─── 14. MODALS ────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: var(--space-lg);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background: var(--color-bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 100%;
  position: relative;
  animation: slideUp 0.4s var(--transition-spring);
}

.modal-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}


/* ─── 15. DIVIDERS & DECORATIONS ───────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  margin: var(--space-xl) 0;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: -1;
}

.glow-orb-cyan {
  background: var(--neon-cyan);
  opacity: 0.08;
}

.glow-orb-purple {
  background: var(--neon-purple);
  opacity: 0.06;
}

.glow-orb-gold {
  background: var(--neon-gold);
  opacity: 0.06;
}

/* Animated background pattern */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 242, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
  pointer-events: none;
  z-index: -1;
}


/* ─── 16. ANIMATIONS ────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 8px var(--color-primary-glow); }
  50% { box-shadow: 0 0 25px var(--color-primary-glow); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes countUp {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

@keyframes borderGlow {
  0%, 100% {
    border-color: rgba(0, 242, 255, 0.2);
    box-shadow: 0 0 10px rgba(0, 242, 255, 0.05);
  }
  50% {
    border-color: rgba(0, 242, 255, 0.5);
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.15);
  }
}

@keyframes neonFlicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% { opacity: 1; text-shadow: 0 0 10px var(--color-primary-glow), 0 0 20px var(--color-primary-glow); }
  20%, 24%, 55% { opacity: 0.3; text-shadow: none; }
}

@keyframes particleRise {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { transform: translateY(-100px) scale(0); opacity: 0; }
}

@keyframes glitch {
  0% { transform: translate(0) }
  20% { transform: translate(-2px, 2px) }
  40% { transform: translate(-2px, -2px) }
  60% { transform: translate(2px, 2px) }
  80% { transform: translate(2px, -2px) }
  100% { transform: translate(0) }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes fadeOutRight {
  to { transform: translateX(100%); opacity: 0; }
}

/* Animation Utilities */
.animate-fade-in     { animation: fadeIn 0.6s ease both; }
.animate-fade-in-up  { animation: fadeInUp 0.6s ease both; }
.animate-slide-up    { animation: slideUp 0.5s var(--transition-spring) both; }
.animate-pulse-glow  { animation: pulseGlow 3s ease-in-out infinite; }
.animate-float       { animation: float 4s ease-in-out infinite; }
.animate-shimmer     { animation: shimmer 2s infinite; }
.animate-neon-flicker { animation: neonFlicker 2s infinite alternate; }
.animate-glitch      { animation: glitch 0.2s cubic-bezier(.25, .46, .45, .94) both infinite; }

/* Staggered Animation Delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* Scroll-triggered animations (via IntersectionObserver) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ─── TOAST / NOTIFICATION COMPONENT ─── */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}
.toast {
  background: var(--bg-surface);
  border-left: 4px solid var(--color-primary);
  padding: 15px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s ease forwards, fadeOutRight 0.3s ease forwards 4s;
}
.toast.success { border-left-color: var(--color-success); }
.toast.error { border-left-color: var(--color-danger); }
.toast.warning { border-left-color: var(--color-warning); }

/* ─── SKELETON IA LOADER ─── */
.skeleton-loader {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 15px 0;
}
.skeleton-line {
  height: 12px;
  background: var(--glass-bg);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}
.skeleton-line::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  animation: shimmer 1.5s infinite;
}
.skeleton-line.short { width: 60%; }
.skeleton-line.medium { width: 80%; }


/* ─── 17. FOOTER ────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: var(--space-3xl) 5% var(--space-2xl);
  background: rgba(5, 5, 8, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-brand .navbar-logo {
  position: static;
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: var(--text-sm);
  max-width: 300px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: var(--text-sm);
  padding: 4px 0;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--text-primary);
  text-shadow: none;
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--text-xs);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}


/* ─── 18. RESPONSIVE UTILITIES ─────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;
    --space-4xl: 64px;
  }

  .heading-1 { font-size: var(--text-3xl); }
  .heading-2 { font-size: var(--text-2xl); }

  .hide-mobile { display: none !important; }

  .container { padding: 0 var(--space-md); }

  .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .navbar {
    padding: calc(var(--space-sm) + var(--safe-top)) var(--space-md) var(--space-sm);
  }

  .section-spacing {
    padding: var(--space-3xl) 0;
  }
}

@media (max-width: 480px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: var(--text-base);
  }
}

.show-mobile-only {
  display: none !important;
}

@media (max-width: 768px) {
  .show-mobile-only {
    display: flex !important;
  }
}


/* ─── 19. SCROLLBAR ─────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}


/* ─── 20. SKELETON LOADERS ─────────────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04) 25%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.04) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
  width: 80%;
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-circle {
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
}


/* ─── 21. ACCESSIBILITÉ NUMÉRIQUE (RGAA 4.1.2 / WCAG 2.1 AA) ──── */

/* Focus visible universel : obligatoire pour la navigation clavier sans souris */
:focus-visible {
  outline: 2px solid var(--neon-cyan) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.4) !important;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--neon-cyan) !important;
  outline-offset: 2px !important;
}

/* Suppression du contour par défaut au clic souris si focus-visible est supporté */
:focus:not(:focus-visible) {
  outline: none;
}

/* Classe d'accessibilité pour les lecteurs d'écran (Screen Readers) */
.sr-only,
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Lien d'évitement (Skip link) pour accéder directement au contenu principal */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--neon-cyan);
  color: #050508;
  font-weight: 700;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
}


/* ─── 22. ÉCO-CONCEPTION & SOBRIÉTÉ ÉNERGÉTIQUE (GREEN IT / FRUGGR) ── */

/* Respect de la préférence système de réduction de mouvement (Sobriété GPU & RGAA 13.8) */
@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;
  }

  .skeleton {
    animation: none !important;
  }

  [data-glow],
  .btn-primary,
  .badge-glow {
    box-shadow: none !important;
    text-shadow: none !important;
  }
}

/* Mode Éco Sobriété Énergétique (.lite-mode) : allègement massif GPU/CPU */
body.lite-mode {
  --glass-blur: 0px;
  --glass-glow: none;
  --shadow-glow-cyan: none;
  --shadow-glow-gold: none;
  --shadow-glow-red: none;
  --shadow-glow-green: none;
}

body.lite-mode * {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  text-shadow: none !important;
}

body.lite-mode .skeleton {
  animation: none !important;
  background: rgba(255, 255, 255, 0.05);
}