/* ================================================================
   DATA GOUVERNANCE GÉCAMINES — Design System v2
   Thème CLAIR par défaut · Toggle Clair / Sombre · Glossy Fluo
   Polices : Outfit + JetBrains Mono (Google Fonts)
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ╔══════════════════════════════════════════════════════════════╗
   ║  TOKENS — MODE CLAIR (défaut)                               ║
   ╚══════════════════════════════════════════════════════════════╝ */
:root {
  /* Couleurs Gécamines */
  --neon:          #00A550;   /* vert Gécamines vif */
  --neon-bright:   #00C853;   /* survol / accents */
  --neon-dark:     #007A3C;
  --neon-glow:     rgba(0, 165, 80, 0.30);
  --gold:          #E67E00;
  --gold-bright:   #FFB300;
  --gold-glow:     rgba(230, 126, 0, 0.28);

  /* Fonds clairs */
  --bg:            #F4FBF6;
  --bg-2:          #FFFFFF;
  --bg-card:       rgba(255,255,255,0.82);
  --bg-card-h:     rgba(255,255,255,0.96);
  --bg-glass:      rgba(255,255,255,0.60);

  /* Bordures */
  --border:        rgba(0, 165, 80, 0.18);
  --border-h:      rgba(0, 165, 80, 0.55);
  --border-subtle: rgba(0, 0, 0, 0.07);

  /* Textes */
  --text:          #0E2419;
  --text-2:        #1F4D30;
  --text-muted:    #4A7A5A;
  --text-dim:      rgba(14, 36, 25, 0.38);

  /* Surfaces de composants */
  --input-bg:      rgba(0,165,80,0.06);
  --input-bg-f:    rgba(0,165,80,0.11);
  --chip-bg:       rgba(0,165,80,0.10);
  --chip-gold-bg:  rgba(230,126,0,0.10);

  /* Ombres */
  --shadow-card:   0 2px 20px rgba(0,80,30,0.10), 0 1px 4px rgba(0,0,0,0.06);
  --shadow-card-h: 0 8px 40px rgba(0,165,80,0.18), 0 2px 8px rgba(0,0,0,0.08);
  --shadow-neon:   0 0 0 3px rgba(0,165,80,0.18), 0 4px 20px rgba(0,165,80,0.22);
  --shadow-btn:    0 4px 16px rgba(0,165,80,0.40);
  --shadow-gold:   0 4px 16px rgba(230,126,0,0.38);

  /* Header */
  --header-bg:     rgba(244,251,246,0.80);

  /* Radii */
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  22px;
  --radius-xl:  32px;

  /* Typo */
  --font:       'Outfit', sans-serif;
  --font-mono:  'JetBrains Mono', monospace;
}

/* ╔══════════════════════════════════════════════════════════════╗
   ║  TOKENS — MODE SOMBRE                                       ║
   ╚══════════════════════════════════════════════════════════════╝ */
[data-theme="dark"] {
  --neon:          #00E676;
  --neon-bright:   #69F0AE;
  --neon-dark:     #00C853;
  --neon-glow:     rgba(0,230,118,0.32);
  --gold:          #FFB300;
  --gold-bright:   #FFD54F;
  --gold-glow:     rgba(255,179,0,0.28);

  --bg:            #030A06;
  --bg-2:          #061009;
  --bg-card:       rgba(0,230,118,0.045);
  --bg-card-h:     rgba(0,230,118,0.085);
  --bg-glass:      rgba(3,10,6,0.70);

  --border:        rgba(0,230,118,0.14);
  --border-h:      rgba(0,230,118,0.48);
  --border-subtle: rgba(255,255,255,0.06);

  --text:          #E8F5E9;
  --text-2:        #C8E6C9;
  --text-muted:    #7CB987;
  --text-dim:      rgba(232,245,233,0.40);

  --input-bg:      rgba(0,230,118,0.05);
  --input-bg-f:    rgba(0,230,118,0.10);
  --chip-bg:       rgba(0,230,118,0.10);
  --chip-gold-bg:  rgba(255,179,0,0.10);

  --shadow-card:   0 4px 24px rgba(0,0,0,0.50);
  --shadow-card-h: 0 8px 40px rgba(0,230,118,0.14), 0 2px 8px rgba(0,0,0,0.4);
  --shadow-neon:   0 0 0 3px rgba(0,230,118,0.18), 0 4px 20px rgba(0,230,118,0.25);
  --shadow-btn:    0 4px 20px rgba(0,230,118,0.50);
  --shadow-gold:   0 4px 20px rgba(255,179,0,0.40);

  --header-bg:     rgba(3,10,6,0.78);
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body {
  min-height: 100vh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.35s ease, color 0.35s ease;
}

/* ── Fond dynamique ──────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 15% 10%, rgba(0,165,80,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 90%, rgba(230,126,0,0.09) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 60% 40%, rgba(0,165,80,0.05) 0%, transparent 70%);
  transition: background 0.35s ease;
}
[data-theme="dark"] body::before {
  background:
    radial-gradient(ellipse 70% 50% at 15% 10%, rgba(0,230,118,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 90%, rgba(255,179,0,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 60% 40%, rgba(0,230,118,0.04) 0%, transparent 70%);
}

/* Grille de points */
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(rgba(0,165,80,0.10) 1px, transparent 1px);
  background-size: 28px 28px;
}
[data-theme="dark"] body::after {
  background-image: radial-gradient(rgba(0,230,118,0.07) 1px, transparent 1px);
}

/* ── Layout ──────────────────────────────────────────────────── */
.page { position: relative; z-index: 1; min-height: 100vh; display: flex; flex-direction: column; }

/* ╔══════════════════════════════════════════════════════════════╗
   ║  HEADER                                                     ║
   ╚══════════════════════════════════════════════════════════════╝ */
.site-header {
  position: sticky; top: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 40px;
  background: var(--header-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  transition: background 0.35s ease, border-color 0.35s ease;
}
.logo-zone {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.logo-emblem {
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(135deg, var(--neon), var(--neon-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; flex-shrink: 0;
  box-shadow: 0 2px 12px var(--neon-glow);
}
.logo-text strong {
  display: block; font-size: 15px; font-weight: 800;
  background: linear-gradient(90deg, var(--neon-dark), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
[data-theme="dark"] .logo-text strong {
  background: linear-gradient(90deg, var(--neon), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.logo-text span { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; }

/* ── Bouton toggle thème ─────────────────────────────────────── */
.theme-toggle {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  cursor: pointer;
  font-family: var(--font); font-size: 12px; font-weight: 600;
  color: var(--text-muted);
  transition: all 0.25s ease;
  white-space: nowrap;
}
.theme-toggle:hover {
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: var(--shadow-neon);
}
.theme-toggle .toggle-icon { font-size: 15px; transition: transform 0.4s ease; }
.theme-toggle:hover .toggle-icon { transform: rotate(20deg); }

/* ── Pulse dot ───────────────────────────────────────────────── */
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 6px var(--neon);
  animation: pulseDot 2s ease-in-out infinite;
  display: inline-block;
}
@keyframes pulseDot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.35; transform:scale(0.65); }
}

/* ╔══════════════════════════════════════════════════════════════╗
   ║  TYPOGRAPHIE                                                ║
   ╚══════════════════════════════════════════════════════════════╝ */
h1 { font-size: clamp(30px, 5vw, 58px); font-weight: 900; line-height: 1.1; letter-spacing: -1px; }
h2 { font-size: clamp(22px, 3vw, 34px); font-weight: 800; }
h3 { font-size: clamp(16px, 2vw, 22px); font-weight: 700; }
p  { line-height: 1.72; }

/* Dégradés texte */
.gradient-neon {
  background: linear-gradient(135deg, var(--neon-dark), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
[data-theme="dark"] .gradient-neon {
  background: linear-gradient(135deg, var(--neon), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.shimmer {
  background: linear-gradient(90deg, var(--neon-dark), var(--gold), var(--neon-dark));
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: shimmer 3s linear infinite;
}
[data-theme="dark"] .shimmer {
  background: linear-gradient(90deg, var(--neon), var(--gold), var(--neon));
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: shimmer 3s linear infinite;
}
@keyframes shimmer { 0%{background-position:0% center} 100%{background-position:200% center} }

.text-neon  { color: var(--neon); }
.text-gold  { color: var(--gold); }
.text-muted { color: var(--text-muted); }

/* ╔══════════════════════════════════════════════════════════════╗
   ║  CARTES GLOSSY                                              ║
   ╚══════════════════════════════════════════════════════════════╝ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  transition: border-color .3s ease, box-shadow .3s ease, background .3s ease, transform .3s ease;
  /* Glossy highlight en haut */
  position: relative;
  overflow: hidden;
}
.card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.7), transparent);
  pointer-events: none;
}
[data-theme="dark"] .card::after {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
}
.card:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  box-shadow: var(--shadow-card-h);
}

/* ╔══════════════════════════════════════════════════════════════╗
   ║  BOUTONS                                                    ║
   ╚══════════════════════════════════════════════════════════════╝ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: var(--radius-md);
  font-family: var(--font); font-size: 15px; font-weight: 700;
  cursor: pointer; border: none; text-decoration: none;
  letter-spacing: 0.4px;
  transition: all 0.28s cubic-bezier(0.34,1.56,0.64,1);
}

/* Primaire vert glossy */
.btn-primary {
  background: linear-gradient(135deg, var(--neon-bright), var(--neon-dark));
  color: #fff;
  box-shadow: var(--shadow-btn);
  /* Reflet glossy */
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.5s ease;
}
.btn-primary:hover::before { left: 150%; }
.btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 28px rgba(0,165,80,0.55); }
.btn-primary:active { transform: scale(0.98); }

/* Outline vert */
.btn-outline {
  background: transparent; color: var(--neon);
  border: 1.5px solid var(--neon);
}
.btn-outline:hover {
  background: rgba(0,165,80,0.08);
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}
[data-theme="dark"] .btn-outline:hover { background: rgba(0,230,118,0.10); }

/* Gold */
.btn-gold {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: #fff;
  box-shadow: var(--shadow-gold);
  position: relative; overflow: hidden;
}
.btn-gold::before {
  content: '';
  position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.5s ease;
}
.btn-gold:hover::before { left: 150%; }
.btn-gold:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 28px rgba(230,126,0,0.55); }

/* ╔══════════════════════════════════════════════════════════════╗
   ║  BADGES                                                     ║
   ╚══════════════════════════════════════════════════════════════╝ */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 999px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
}
.badge-neon { background: var(--chip-bg); border: 1px solid rgba(0,165,80,0.30); color: var(--neon-dark); }
[data-theme="dark"] .badge-neon { color: var(--neon); border-color: rgba(0,230,118,0.30); }
.badge-gold { background: var(--chip-gold-bg); border: 1px solid rgba(230,126,0,0.28); color: var(--gold); }

/* ╔══════════════════════════════════════════════════════════════╗
   ║  INPUTS                                                     ║
   ╚══════════════════════════════════════════════════════════════╝ */
.input-group { display: flex; flex-direction: column; gap: 6px; }
.input-group label {
  font-size: 12px; font-weight: 700; color: var(--text-muted);
  letter-spacing: 0.8px; text-transform: uppercase;
}
.input-field {
  width: 100%; padding: 13px 15px;
  background: var(--input-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font); font-size: 15px; color: var(--text);
  outline: none;
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.input-field:focus {
  border-color: var(--neon);
  background: var(--input-bg-f);
  box-shadow: var(--shadow-neon);
}
.input-field::placeholder { color: var(--text-dim); }

/* ╔══════════════════════════════════════════════════════════════╗
   ║  SÉPARATEUR NÉON                                            ║
   ╚══════════════════════════════════════════════════════════════╝ */
.neon-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  opacity: 0.35;
  margin: 48px 0;
}

/* ╔══════════════════════════════════════════════════════════════╗
   ║  STATS                                                      ║
   ╚══════════════════════════════════════════════════════════════╝ */
.stat-card { padding: 28px 20px; text-align: center; }
.stat-card .stat-value { font-size: 40px; font-weight: 900; line-height: 1; margin-bottom: 8px; }
.stat-card .stat-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); }

/* ╔══════════════════════════════════════════════════════════════╗
   ║  FOOTER                                                     ║
   ╚══════════════════════════════════════════════════════════════╝ */
footer {
  padding: 20px 40px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--text-dim);
  position: relative; z-index: 1;
  transition: border-color .35s ease;
}
footer strong { color: var(--neon); }

/* ╔══════════════════════════════════════════════════════════════╗
   ║  ANIMATIONS                                                 ║
   ╚══════════════════════════════════════════════════════════════╝ */
.fade-up { animation: fadeUp 0.55s cubic-bezier(0.34,1.56,0.64,1) both; }
.fade-up-d1 { animation-delay:.06s } .fade-up-d2 { animation-delay:.13s }
.fade-up-d3 { animation-delay:.20s } .fade-up-d4 { animation-delay:.28s }
.fade-up-d5 { animation-delay:.36s }
@keyframes fadeUp {
  from { opacity:0; transform:translateY(28px) scale(0.97); }
  to   { opacity:1; transform:translateY(0) scale(1); }
}

/* ╔══════════════════════════════════════════════════════════════╗
   ║  SCROLLBAR                                                  ║
   ╚══════════════════════════════════════════════════════════════╝ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: rgba(0,165,80,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,165,80,0.6); }

/* ╔══════════════════════════════════════════════════════════════╗
   ║  RESPONSIVE                                                 ║
   ╚══════════════════════════════════════════════════════════════╝ */
@media (max-width: 768px) {
  .site-header { padding: 12px 18px; }
  .theme-toggle span:last-child { display: none; }
  footer { flex-direction: column; gap: 6px; text-align: center; }
}