/* ============================================
   Animated Background - Tech/Data/AI Theme
   ============================================ */

/* Main body background with animated gradient */
html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background: linear-gradient(-45deg, #0a0e27, #1a1a3e, #0f2c4d, #162d4a);
  background-size: 600% 600%;
  animation: gradientShift 20s ease infinite;
  position: relative;
  min-height: 100vh;
  color: #fff;
  display: flex;
  flex-direction: column;
  /* Le fond est sombre en permanence (dégradé ci-dessus, indépendant du thème
     clair/sombre de Bootstrap), donc on fixe ce token à une couleur claire
     suffisamment contrastée : par défaut Bootstrap le résout en gris foncé
     (pensé pour un fond clair), illisible sur ce fond bleu nuit. Corrige
     .text-muted, .form-text et tout composant Bootstrap qui en dépend. */
  --bs-secondary-color: rgba(255, 255, 255, 0.65);
}

/* Footer ancré en bas de la fenêtre sur les pages courtes, plutôt que collé
   sous le contenu avec un grand vide en dessous. flex-grow ne sert à rien si
   le parent direct n'est pas lui-même display:flex - selon les pages, <main>
   est soit un enfant direct de body, soit imbriqué dans .col-lg-8, donc les
   deux doivent être des conteneurs flex en cascade. !important nécessaire
   car .col-lg-8 (grille Bootstrap) définit son propre flex:0 0 auto qui
   gagnerait sinon la cascade face à un simple sélecteur de classe/élément. */
/* Le sélecteur "body > div.col-lg-*" cible uniquement l'enveloppe de page
   (enfant direct de body) - .col-lg-8 et .col-lg-10 sont aussi réutilisées
   pour des grilles internes au contenu de certaines pages, qu'il ne faut
   surtout pas transformer en conteneurs flex. */
body > div[class*="col-lg-"] {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 0 auto !important;
  /* Son propre padding bas (.p-4.py-md-5) laissait un espace visible entre
     le footer (poussé en bas via flex) et le vrai bord de la fenêtre - le
     footer a déjà son padding interne (footer.py-5), pas besoin d'en rajouter. */
  padding-bottom: 0 !important;
}
main {
  display: flex;
  flex-direction: column;
  flex: 1 0 auto !important;
}
a#footer + div.container {
  margin-top: auto;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 100% 50%;
  }
  50% {
    background-position: 100% 0%;
  }
  75% {
    background-position: 0% 100%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Animated background elements with multiple layers */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(13, 110, 253, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(102, 51, 153, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(0, 200, 200, 0.1) 0%, transparent 50%);
  animation: float 25s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 120%;
  height: 120%;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(13, 110, 253, 0.05) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(102, 51, 153, 0.05) 50%, transparent 70%);
  background-size: 200% 200%, 200% 200%;
  animation: gridShift 40s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  25% {
    transform: translate(-50px, -50px) scale(1.15) rotate(90deg);
  }
  50% {
    transform: translate(30px, -60px) scale(0.9) rotate(180deg);
  }
  75% {
    transform: translate(-40px, 40px) scale(1.1) rotate(270deg);
  }
}

@keyframes gridShift {
  0% {
    background-position: 0% 0%, 0% 0%;
  }
  50% {
    background-position: 100% 100%, -100% -100%;
  }
  100% {
    background-position: 200% 200%, -200% -200%;
  }
}

/* Advanced animated orbs with multiple glows */
.orb {
  position: fixed;
  border-radius: 50%;
  opacity: 0.12;
  pointer-events: none;
  z-index: 1;
}

.orb::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: inherit;
  filter: blur(80px);
  animation: pulse 4s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #0066ff, #00ccff, transparent);
  top: 5%;
  left: -5%;
  animation: orbit1 30s linear infinite;
  filter: blur(50px);
  box-shadow: 0 0 100px rgba(0, 102, 255, 0.3), 0 0 200px rgba(0, 204, 255, 0.2);
}

.orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #9d00ff, #ff00ff, transparent);
  top: 50%;
  right: -8%;
  animation: orbit2 35s linear infinite;
  filter: blur(50px);
  box-shadow: 0 0 100px rgba(157, 0, 255, 0.3), 0 0 200px rgba(255, 0, 255, 0.2);
}

.orb-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, #00d9a3, #00ffc0, transparent);
  bottom: -10%;
  left: 10%;
  animation: orbit3 40s linear infinite;
  filter: blur(50px);
  box-shadow: 0 0 150px rgba(0, 217, 163, 0.2), 0 0 300px rgba(0, 255, 192, 0.1);
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1.2;
  }
}

@keyframes orbit1 {
  0% {
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
  25% {
    transform: translate(100px, -100px) rotate(90deg) scale(1.1);
  }
  50% {
    transform: translate(50px, -150px) rotate(180deg) scale(0.95);
  }
  75% {
    transform: translate(-50px, -50px) rotate(270deg) scale(1.05);
  }
  100% {
    transform: translate(0, 0) rotate(360deg) scale(1);
  }
}

@keyframes orbit2 {
  0% {
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
  25% {
    transform: translate(-120px, 80px) rotate(90deg) scale(1.1);
  }
  50% {
    transform: translate(-100px, 150px) rotate(180deg) scale(0.9);
  }
  75% {
    transform: translate(-30px, 100px) rotate(270deg) scale(1.05);
  }
  100% {
    transform: translate(0, 0) rotate(360deg) scale(1);
  }
}

@keyframes orbit3 {
  0% {
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
  25% {
    transform: translate(100px, 100px) rotate(90deg) scale(1.15);
  }
  50% {
    transform: translate(150px, 80px) rotate(180deg) scale(0.85);
  }
  75% {
    transform: translate(80px, -50px) rotate(270deg) scale(1.1);
  }
  100% {
    transform: translate(0, 0) rotate(360deg) scale(1);
  }
}

/* Floating particles */
.particle {
  position: fixed;
  pointer-events: none;
  z-index: 2;
}

/* Neon glitch effect layers */
.neon-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 255, 255, 0.03) 0%,
    transparent 30%,
    rgba(255, 0, 255, 0.02) 70%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 1;
  animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 0 100px;
  }
}

/* Ensure content appears above background */
.col-lg-8 {
  position: relative;
  z-index: 10;
  padding-top: 80px;
}

/* Navbar - sticky at top */
.navbar {
  background: linear-gradient(180deg, rgba(10, 14, 39, 0.98) 0%, rgba(26, 26, 62, 0.95) 100%) !important;
  backdrop-filter: blur(15px);
  border-bottom: 2px solid rgba(0, 204, 255, 0.2);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  box-shadow: 0 8px 32px rgba(0, 102, 255, 0.15);
}

.navbar-brand {
  color: #00ccff !important;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(0, 204, 255, 0.5);
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  transition: all 0.3s ease;
  position: relative;
}

.navbar-nav .nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #00ccff, transparent);
  transition: width 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: #00ccff !important;
  text-shadow: 0 0 8px rgba(0, 204, 255, 0.6);
}

.navbar-nav .nav-link:hover::before {
  width: 100%;
}

/* Contact form styling with enhanced visibility */
.contact-form-section {
    background: rgba(15, 25, 50, 0.85);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 
      0 8px 32px rgba(0, 102, 255, 0.2),
      inset 0 1px 0 rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    border: 1px solid rgba(0, 204, 255, 0.3);
    position: relative;
    z-index: 20;
}
          
.contact-form-section .form-label {
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
          
.contact-form-section .form-control {
    border: 2px solid rgba(0, 204, 255, 0.3);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff;
}

.contact-form-section .form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}
          
.contact-form-section .form-control:focus {
    border-color: #00ccff;
    box-shadow: 0 0 0 3px rgba(0, 204, 255, 0.2), inset 0 0 10px rgba(0, 204, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.08);
}
          
.contact-form-section textarea.form-control {
    resize: vertical;
    min-height: 120px;
}
          
/* intl-tel-input styling */
.iti {
    width: 100%;
}
          
.iti__input {
    border: 2px solid rgba(0, 204, 255, 0.3) !important;
    border-radius: 8px !important;
    padding: 0.75rem 1rem !important;
    font-size: 0.95rem !important;
    width: 100% !important;
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: #ffffff !important;
}

.iti__input::placeholder {
    color: rgba(255, 255, 255, 0.5) !important;
}
          
.iti__input:focus {
    border-color: #00ccff !important;
    box-shadow: 0 0 0 3px rgba(0, 204, 255, 0.2), inset 0 0 10px rgba(0, 204, 255, 0.1) !important;
    background-color: rgba(255, 255, 255, 0.08) !important;
}
          
.iti__country-list {
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 102, 255, 0.3);
    background: rgba(15, 25, 50, 0.95) !important;
    backdrop-filter: blur(10px);
}

.iti__country {
    color: #ffffff !important;
    background: transparent !important;
}

.iti__country:hover {
    background: rgba(0, 204, 255, 0.2) !important;
}

.iti__flag-container {
    background-color: rgba(0, 204, 255, 0.1);
    border-radius: 6px 0 0 6px;
}
          
.btn-submit-contact {
    background: linear-gradient(135deg, #0066ff 0%, #00ccff 100%);
    border: 2px solid rgba(0, 204, 255, 0.5);
    padding: 0.9rem 2rem;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.4s ease;
    width: 100%;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.3);
}
          
.btn-submit-contact:hover {
    transform: translateY(-3px);
    box-shadow: 
      0 0 30px rgba(0, 204, 255, 0.6),
      0 0 60px rgba(0, 102, 255, 0.3),
      inset 0 0 20px rgba(0, 204, 255, 0.2);
    border-color: #00ccff;
    background: linear-gradient(135deg, #00ccff 0%, #0099ff 100%);
}

.btn-submit-contact:active {
    transform: translateY(-1px);
}
          
.required-asterisk {
    color: #ff6b9d;
    font-weight: bold;
}
          
.form-group-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: #00ccff;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid rgba(0, 204, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 20px rgba(0, 204, 255, 0.3);
}

/* Main content styling */
main {
  position: relative;
  z-index: 10;
}

main h1 {
  color: #00ccff;
  text-shadow: 
    0 0 10px rgba(0, 204, 255, 0.4),
    0 0 20px rgba(0, 102, 255, 0.2);
  font-weight: 800;
  margin-bottom: 1rem;
  font-size: 3rem;
  letter-spacing: 1px;
}

main .lead {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  font-weight: 300;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
  line-height: 1.8;
}

/* Footer - full width isolated */
footer {
  position: relative;
  z-index: 30;
  background: linear-gradient(180deg, rgba(10, 14, 39, 0.95) 0%, rgba(5, 5, 25, 0.98) 100%);
  backdrop-filter: blur(15px);
  border-top: 2px solid rgba(0, 204, 255, 0.3);
  box-shadow: 0 -8px 32px rgba(0, 102, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  margin-left: -100vw;
  margin-right: -100vw;
  padding-left: 100vw;
  padding-right: 100vw;
  margin-top: 4rem;
}

footer h5 {
  color: #00ccff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(0, 204, 255, 0.3);
}

footer .nav-link {
  color: rgba(255, 255, 255, 0.7) !important;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
  width: fit-content;
}

footer .nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #00ccff, transparent);
  transition: width 0.3s ease;
}

footer .nav-link:hover {
  color: #00ccff !important;
  text-shadow: 0 0 8px rgba(0, 204, 255, 0.4);
}

footer .nav-link:hover::before {
  width: 100%;
}

footer p {
  color: rgba(255, 255, 255, 0.6);
}

footer .link-body-emphasis {
  color: rgba(255, 255, 255, 0.7) !important;
  transition: all 0.3s ease;
}

footer .link-body-emphasis:hover {
  color: #00ccff !important;
  filter: drop-shadow(0 0 8px rgba(0, 204, 255, 0.5));
}

/* Alert messages styling */
.alert {
  position: relative;
  z-index: 15;
  border: 2px solid;
  backdrop-filter: blur(15px);
  border-radius: 8px;
}

.alert-success {
  background: rgba(25, 135, 84, 0.2);
  border-color: #00d9a3;
  color: #ffffff;
  box-shadow: 0 0 20px rgba(0, 217, 163, 0.2);
}

.alert-danger {
  background: rgba(220, 53, 69, 0.2);
  border-color: #ff6b9d;
  color: #ffffff;
  box-shadow: 0 0 20px rgba(255, 107, 157, 0.2);
}

/* Theme toggle button */
.bd-mode-toggle {
  position: relative;
  z-index: 50;
}

.btn-bd-primary {
  background: rgba(0, 204, 255, 0.2) !important;
  border: 2px solid rgba(0, 204, 255, 0.4) !important;
  color: #00ccff !important;
  backdrop-filter: blur(10px);
}

.btn-bd-primary:hover {
  background: rgba(0, 204, 255, 0.3) !important;
  box-shadow: 0 0 15px rgba(0, 204, 255, 0.4);
}

/* Responsive adjustments for mobile devices */
@media (max-width: 768px) {
  html, body {
    animation: none !important;
    background-size: 100% 100%;
  }

  body::before,
  body::after {
    animation: none !important;
  }

  .neon-layer {
    animation: none !important;
  }

  .orb-1, .orb-2, .orb-3 {
    display: none !important;
  }

  .contact-form-section {
    padding: 1.5rem;
  }

  .form-group-title {
    font-size: 1.2rem;
  }

  main h1 {
    font-size: 2rem;
  }

  .col-lg-8 {
    padding-top: 100px;
  }
}

/* Disable animations for mobile landscape orientation */
@media (max-width: 768px) and (orientation: landscape) {
  html, body {
    animation: none !important;
    background-size: 100% 100%;
  }

  body::before,
  body::after {
    animation: none !important;
  }

  .neon-layer {
    animation: none !important;
  }

  .orb-1, .orb-2, .orb-3 {
    display: none !important;
  }
}

/* Fallback for very small viewports (additional safety) */
@media (max-height: 500px) {
  html, body {
    animation: none !important;
    background-size: 100% 100%;
  }

  body::before,
  body::after {
    animation: none !important;
  }

  .neon-layer {
    animation: none !important;
  }

  .orb-1, .orb-2, .orb-3 {
    display: none !important;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* ============================================
   Social Media Links - Enhanced Click State
   ============================================ */
/* Improve contrast for social media icons when clicked/focused */
footer .link-body-emphasis:active,
footer .link-body-emphasis:focus {
  color: #0a58ca !important; /* Darker blue for better contrast */
  opacity: 0.8;
}

footer .link-body-emphasis:hover {
  color: #0d6efd; /* Bootstrap primary blue on hover */
  opacity: 0.9;
}

/* ============================================
   Badge Nouveau - Réutilisable
   ============================================ */
.badge-nouveau {
  background: linear-gradient(135deg, #00d4aa 0%, #00b4d8 100%);
  box-shadow: 0 4px 15px rgba(0, 180, 216, 0.4);
  color: white;
  font-weight: bold;
  height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 0 1.25rem;
  font-size: 0.875rem;
  border-radius: 50rem;
}

/* Couleur de fond propre au badge "Populaire", distincte du badge "Nouveau".
   Hauteur/padding/police restent hérités de .badge-nouveau : les icônes
   ajoutées de part et d'autre du mot compensent déjà la largeur pour
   retrouver une dimension quasi identique au badge "Nouveau". */
.badge-populaire {
  background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
  box-shadow: 0 4px 15px rgba(245, 124, 0, 0.4);
}

/* Couleur de fond propre au badge "Prochainement", distincte des badges
   "Nouveau" et "Populaire". Hauteur/padding/police restent hérités de
   .badge-nouveau : les icônes ajoutées de part et d'autre du mot
   compensent déjà la largeur pour retrouver une dimension quasi
   identique aux autres badges. */
.badge-prochainement {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}