/* ===== FOOTER SPECIFIC STYLES ===== */
.footer-section .footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  color: white;
  position: relative;
  overflow: hidden;
  max-width: 90%;
  margin: 0 auto;
  font-size: 22px;
}


/* ===== ANIMATIONS FOOTER ===== */
@keyframes footer-shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

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

@keyframes footer-icon-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* ===== COLONNE 1: ABOUT US ===== */
.footer-section .footer-col.footer-about {
  opacity: 0;
  animation: footer-fadeInUp 0.8s ease-out 0.1s forwards;
}

.footer-section  .footer-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 25px;
  padding-bottom: 12px;
  position: relative;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-section  .footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: #00a8ff;
  transition: all 0.3s ease;
}

.footer-section .footer-title:hover::after {
  width: 80px;
}

/* ===== COLONNE 2: ACTIVITIES ===== */
.footer-section  .footer-link-group:first-child {
  margin-bottom: 40px;
}

.footer-section .sub-title {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 15px 0;
  color: #00a8ff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-section .sub-title::before {
  content: '▶';
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.footer-section .footer-link-group:hover .sub-title::before {
  transform: rotate(90deg);
}

/* ===== COLONNE 3: REFERENCES & JOIN US ===== */
.footer-section .footer-link-group:not(:first-child) {
  opacity: 0;
  animation: footer-fadeInUp 0.8s ease-out 0.2s forwards;
}

.footer-section .nav-item.divider {
  padding-left: 0;
  margin: 0 0 20px 0;
}

.footer-section .separator {
  font-size: 24px;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding-bottom: 8px;
  display: inline-block;
  border-bottom: 2px solid #00a8ff;
}

/* Join Us section */
.footer-section .footer-col.footer-join {
  margin-top: 40px;
}



/* ===== COLONNE 4: CONTACT INFO ===== */
.footer-section .footer-col.footer-contact {
  opacity: 0;
  animation: footer-fadeInUp 0.8s ease-out 0.3s forwards;
}

.footer-section .footer-contact .contact-info {
  opacity: 0;
  animation: footer-fadeInUp 0.8s ease-out 0.4s forwards;
}

/* ===== STYLES COMMUNS POUR TOUTES LES COLONNES ===== */
/* Menus et liens */
.footer-section .footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section .nav-item {
  margin-bottom: 12px;
  position: relative;
  padding-left: 15px;
  transition: all 0.3s ease;
}

.footer-section .nav-item::before {
  content: '›';
  position: absolute;
  left: 0;
  color: #00a8ff;
  transition: all 0.3s ease;
}




.footer-section .nav-item:hover {
  padding-left: 17px;
}

.footer-section .nav-item:hover::before {
  transform: scale(1.5);
  color: white;
}

.footer-section .nav-item a {
  color: #fafafa;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  padding: 2px 0;
  position: relative;
  font-size: 20px;
}

.footer-section .nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: #00a8ff;
  transition: all 0.3s ease;
}

.footer-section .footer-col.footer-references .nav-item::after {content:none}
.footer-section .nav-item a:hover {
  color: white;
  transform: translateX(5px);
}

.footer-section .nav-item a:hover::after {
  width: 100%;
}

/* Social icons */
.footer-section .social-icons {
  display: flex;
  gap: 5px;
  margin-top: 0;
}

.footer-section .social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  //background: rgba(255, 255, 255, 0.1);
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.footer-section .social-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: all 0.7s ease;
}

.footer-section .social-icon:hover::before {
  left: 100%;
}


.footer-section .social-icon i {
  font-size: 40px;
  z-index: 1;
}

.footer-section .social-label {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: #0056b3;
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.5rem;
  opacity: 0;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.footer-section .social-icon:hover .social-label {
  opacity: 1;
  top: -40px;
}

/* Contact info */
.footer-section .address, 
.footer-section .contact-details {
  margin-bottom: 25px;
}

.footer-section .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 15px;
  transition: all 0.3s ease;
  padding: 8px;
  border-radius: 5px;
}

/*.footer-section .contact-item:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(5px);
}*/

.footer-section .contact-icon {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 168, 255, 0.1);
  border-radius: 50%;
  color: #00a8ff;
  /*transition: all 0.3s ease;
  animation: footer-icon-float 3s ease-in-out infinite;*/
}



.footer-section .contact-item:nth-child(1) .contact-icon { animation-delay: 0s; }
.footer-section .contact-item:nth-child(2) .contact-icon { animation-delay: 0.5s; }
.footer-section .contact-item:nth-child(3) .contact-icon { animation-delay: 1s; }

.footer-section .contact-text {
  flex: 1;
}

.footer-section .contact-text p,
.footer-section .contact-text span {
  color: #b0b7c3;
  line-height: 1.6;
  transition: all 0.3s ease;
}

.footer-section .contact-item:hover .contact-text p,
.footer-section .contact-item:hover .contact-text span {
  color: white;
}

.footer-section .address {
  display: flex;
  gap: 15px;
  align-items: flex-start;
  transition: all 0.3s ease;
}


/* Effet de survol des colonnes */
.footer-section .footer-col,
.footer-section .footer-link-group {
  transition: all 0.3s ease;
  padding: 20px;
  border-radius: 10px;
}

.footer-section .footer-col:hover,
.footer-section .footer-link-group:hover {
  background: rgba(255, 255, 255, 0.02);
  transform: translateY(-5px);
}

/* Effet décoratif */
.footer-section .footer-grid::after {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 168, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  animation: footer-icon-float 6s ease-in-out infinite;
}

.footer-section .footer-col,
.footer-section .footer-link-group {
  position: relative;
  z-index: 1;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
  .footer-section .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 30px;
  }
  
  .footer-section .footer-link-group:not(:first-child) {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}

@media (max-width: 768px) {
  .footer-section .footer-grid {
    grid-template-columns: 1fr;
    padding: 40px 20px;
    gap: 30px;
  }
  
  .footer-section .footer-link-group:not(:first-child) {
    grid-column: auto;
    grid-row: auto;
  }
  
  .footer-section .social-icons {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .footer-section .social-icons {
    flex-wrap: wrap;
  }
  
  .footer-section .address {
    flex-direction: column;
    align-items: flex-start;
  }
}