/* === FOOTER PRINCIPAL === */
.site-footer {
  background: var(--primary-color);
  color: white;
  margin-top: var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.footer-main {
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-base);
}

/* === GRILLE FOOTER === */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

/* === SECTION MARQUE === */
.footer-section {
  animation: fadeIn 0.6s ease-out;
}

.brand-section {
  animation-delay: 0.1s;
}

.footer-brand {
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-base);
}

.footer-logo-image {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-logo-text {
  font-size: var(--font-xl);
  font-weight: 700;
  color: white;
}

.footer-tagline {
  font-size: var(--font-base);
  opacity: 0.9;
  font-weight: 500;
  margin: 0;
}

.footer-description {
  margin-bottom: var(--spacing-xl);
}

.footer-description p {
  opacity: 0.8;
  line-height: 1.6;
  margin: 0;
}

/* === BADGES DE CONFIANCE === */
.footer-trust {
  margin-bottom: var(--spacing-xl);
}

.trust-badges {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-base);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
}

.trust-badge:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(4px);
}

.badge-icon {
  font-size: var(--font-lg);
  flex-shrink: 0;
}

.badge-content strong {
  display: block;
  font-weight: 600;
  font-size: var(--font-sm);
  margin-bottom: 2px;
}

.badge-content small {
  font-size: var(--font-xs);
  opacity: 0.8;
}

/* === STATISTIQUES FOOTER === */
.footer-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-base);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-base);
  border-radius: var(--radius-base);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.stat-number {
  display: block;
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-xs);
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* === SECTIONS DE LIENS === */
.links-section {
  animation-delay: 0.2s;
}

.footer-section-title {
  font-size: var(--font-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: white;
  position: relative;
}

.footer-section-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent-color);
  border-radius: 1px;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-sm);
  transition: var(--transition);
  display: inline-block;
  position: relative;
}

.footer-links a::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-color);
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
  transform: translateX(4px);
}

.footer-links a:hover::before {
  width: 100%;
}

/* === SECTION NEWSLETTER === */
.newsletter-section {
  animation-delay: 0.3s;
}

.newsletter-description {
  opacity: 0.8;
  margin-bottom: var(--spacing-lg);
  line-height: 1.5;
}

.newsletter-form {
  margin-bottom: var(--spacing-xl);
}

.newsletter-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.newsletter-input {
  width: 100%;
  padding: var(--spacing-md);
  font-family: inherit;
  font-size: var(--font-sm);
  color: var(--text-color);
  background: white;
  border: 2px solid transparent;
  border-radius: var(--radius-base);
  transition: var(--transition);
  outline: none;
}

.newsletter-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 184, 217, 0.2);
}

.newsletter-input::placeholder {
  color: var(--text-color);
  opacity: 0.5;
}

.newsletter-btn {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--success-color);
  color: white;
  border: none;
  border-radius: var(--radius-base);
  font-size: var(--font-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.newsletter-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.newsletter-btn.loading .btn-text {
  opacity: 0;
}

.newsletter-btn .btn-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
  display: none;
}

.newsletter-btn.loading .btn-loader {
  display: block;
}

.newsletter-message {
  font-size: var(--font-xs);
  margin-top: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-base);
  display: none;
}

.newsletter-message.show {
  display: block;
}

.newsletter-message.success {
  background: rgba(76, 175, 80, 0.2);
  color: #C8E6C9;
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.newsletter-message.error {
  background: rgba(229, 57, 53, 0.2);
  color: #FFCDD2;
  border: 1px solid rgba(229, 57, 53, 0.3);
}

/* === RÉSEAUX SOCIAUX === */
.footer-social {
  margin-bottom: var(--spacing-xl);
}

.social-title {
  font-size: var(--font-base);
  font-weight: 600;
  margin-bottom: var(--spacing-base);
  color: white;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-base);
  color: white;
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.social-link.facebook:hover {
  background: #1877F2;
  border-color: #1877F2;
}

.social-link.twitter:hover {
  background: #1DA1F2;
  border-color: #1DA1F2;
}

.social-link.linkedin:hover {
  background: #0A66C2;
  border-color: #0A66C2;
}

.social-link.instagram:hover {
  background: #E4405F;
  border-color: #E4405F;
}

.social-link.youtube:hover {
  background: #FF0000;
  border-color: #FF0000;
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* === CONTACT RAPIDE === */
.footer-contact-info {
  margin-bottom: var(--spacing-base);
}

.contact-title {
  font-size: var(--font-base);
  font-weight: 600;
  margin-bottom: var(--spacing-base);
  color: white;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-sm);
  opacity: 0.9;
}

.contact-item a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.contact-item a:hover {
  color: var(--accent-color);
}

.contact-icon {
  font-size: var(--font-base);
  width: 20px;
  text-align: center;
}

/* === SECTION LÉGALE === */
.footer-legal {
  background: rgba(0, 0, 0, 0.3);
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.legal-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.legal-title,
.regulatory-title {
  font-size: var(--font-base);
  font-weight: 600;
  margin-bottom: var(--spacing-base);
  color: white;
}

.legal-links-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xs) var(--spacing-base);
}

.legal-links-grid a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-xs);
  transition: var(--transition);
  padding: var(--spacing-xs) 0;
}

.legal-links-grid a:hover {
  color: var(--accent-color);
}

.regulatory-text p {
  font-size: var(--font-xs);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
}

.disclaimers {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
}

.disclaimer-item h5 {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.disclaimer-item p {
  font-size: var(--font-xs);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  margin: 0;
}

/* === FOOTER BOTTOM === */
.footer-bottom {
  background: rgba(0, 0, 0, 0.5);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.copyright {
  flex: 1;
}

.copyright p {
  font-size: var(--font-xs);
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  line-height: 1.5;
}

.founding-year {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.footer-language {
  flex-shrink: 0;
}

.back-to-top {
  flex-shrink: 0;
}

.back-to-top-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: var(--spacing-sm) var(--spacing-base);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: var(--transition);
  font-size: var(--font-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
}

.back-to-top-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: white;
}

.back-to-top-btn span {
  font-size: var(--font-base);
  transition: var(--transition);
}

.back-to-top-btn:hover span {
  transform: translateY(-2px);
}

/* === ANIMATIONS === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  
  .brand-section {
    grid-column: 1 / -1;
    margin-bottom: var(--spacing-lg);
  }
  
  .footer-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .trust-badges {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .legal-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  
  .disclaimers {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .footer-main {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .brand-section {
    grid-column: auto;
    margin-bottom: 0;
    text-align: center;
  }
  
  .footer-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
  }
  
  .trust-badges {
    justify-content: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .legal-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .legal-links-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    gap: var(--spacing-base);
    text-align: center;
  }
  
  .newsletter-input-group {
    gap: var(--spacing-base);
  }
}

@media (max-width: 480px) {
  .footer-container {
    padding: 0 var(--spacing-md);
  }
  
  .footer-main {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
  }
  
  .footer-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .trust-badges {
    flex-direction: column;
  }
  
  .contact-details {
    gap: var(--spacing-xs);
  }
  
  .footer-legal {
    padding: var(--spacing-xl) 0;
  }
  
  .footer-bottom {
    padding: var(--spacing-base) 0;
  }
  
  .social-links {
    gap: var(--spacing-xs);
  }
  
  .social-link {
    width: 40px;
    height: 40px;
  }
}