/* ===== VARIABLES FOOTER ===== */
    .site-footer {
      --footer-bg: #004080;
      --footer-dark: #003366;
      --footer-light: #0059b3;
      --accent-yellow: #FFD700;
      --text-white: #ffffff;
      --text-light: #e6f2ff;
      --border-color: rgba(255, 255, 255, 0.1);
      --transition: all 0.3s ease;
    }

    /* ===== STRUCTURE PRINCIPALE ===== */
    .site-footer {
      background: linear-gradient(135deg, var(--footer-bg) 0%, var(--footer-dark) 100%);
      color: var(--text-white);
      position: relative;
      overflow: hidden;
    }

    .footer-waves {
      position: absolute;
      top: -2px;
      left: 0;
      width: 100%;
      line-height: 0;
    }

    .footer-waves svg {
      display: block;
      width: 100%;
      height: 50px;
    }

    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 80px 20px 40px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 40px;
      position: relative;
      z-index: 2;
    }

    /* ===== COLONNES ===== */
    .footer-column {
      display: flex;
      flex-direction: column;
    }

    .footer-brand {
      grid-column: 1 / -1;
      text-align: center;
      margin-bottom: 20px;
    }

    .footer-logo {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 15px;
      display: inline-block;
    }

    .footer-logo span {
      color: var(--accent-yellow);
    }

    .footer-tagline {
      font-size: 1.1rem;
      color: var(--text-light);
      max-width: 500px;
      margin: 0 auto;
      line-height: 1.6;
    }

    .footer-column h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 25px;
      color: var(--accent-yellow);
      position: relative;
      padding-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-column h3::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 40px;
      height: 2px;
      background: var(--accent-yellow);
      transition: var(--transition);
    }

    .footer-column:hover h3::after {
      width: 60px;
    }

    /* ===== LISTES DE LIENS ===== */
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links a {
      color: var(--text-light);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 12px;
      transition: var(--transition);
      padding: 8px 0;
      position: relative;
    }

    .footer-links a i {
      width: 20px;
      text-align: center;
      font-size: 1.1rem;
    }

    .footer-links a::before {
      content: '';
      position: absolute;
      left: -10px;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 4px;
      background: var(--accent-yellow);
      border-radius: 50%;
      opacity: 0;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: var(--accent-yellow);
      transform: translateX(10px);
    }

    .footer-links a:hover::before {
      opacity: 1;
      left: 0;
    }

    /* ===== INFORMATIONS DE CONTACT ===== */
    .contact-info {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .contact-info li {
      display: flex;
      align-items: flex-start;
      gap: 15px;
      margin-bottom: 20px;
      color: var(--text-light);
    }

    .contact-icon {
      width: 40px;
      height: 40px;
      background: rgba(255, 215, 0, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: var(--transition);
    }

    .contact-icon i {
      color: var(--accent-yellow);
      font-size: 1.1rem;
    }

    .contact-info li:hover .contact-icon {
      background: var(--accent-yellow);
      transform: scale(1.1);
    }

    .contact-info li:hover .contact-icon i {
      color: var(--footer-dark);
    }

    .contact-text {
      flex: 1;
    }

    .contact-text strong {
      display: block;
      margin-bottom: 5px;
      color: var(--text-white);
    }

    /* ===== RÉSEAUX SOCIAUX ===== */
    .social-links {
      display: flex;
      gap: 12px;
      margin-top: 10px;
      flex-wrap: wrap;
    }

    .social-link {
      width: 45px;
      height: 45px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .social-link::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: var(--transition);
    }

    .social-link:hover::before {
      left: 100%;
    }

    .social-link:hover {
      background: var(--accent-yellow);
      transform: translateY(-3px);
    }

    .social-link i {
      color: var(--text-white);
      font-size: 1.3rem;
      transition: var(--transition);
    }

    .social-link:hover i {
      color: var(--footer-dark);
      transform: scale(1.1);
    }

    .newsletter-form {
      margin-top: 25px;
    }

    .newsletter-form h4 {
      color: var(--text-light);
      font-size: 1rem;
      margin-bottom: 15px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .newsletter-form h4 i {
      color: var(--accent-yellow);
    }

    .newsletter-input {
      width: 100%;
      padding: 12px 15px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-white);
      margin-bottom: 12px;
      transition: var(--transition);
      font-size: 0.9rem;
    }

    .newsletter-input:focus {
      outline: none;
      border-color: var(--accent-yellow);
      background: rgba(255, 255, 255, 0.1);
    }

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

    .btn-newsletter {
      width: 100%;
      padding: 12px 15px;
      background: var(--accent-yellow);
      color: var(--footer-dark);
      border: none;
      border-radius: 8px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.9rem;
    }

    .btn-newsletter:hover {
      background: #ffed4a;
      transform: translateY(-2px);
    }

    /* ===== SECTION INFERIEURE ===== */
    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding: 25px 20px;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .footer-bottom-content {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

    .copyright {
      color: var(--text-light);
      font-size: 0.9rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-legal {
      display: flex;
      gap: 25px;
      flex-wrap: wrap;
    }

    .footer-legal a {
      color: var(--text-light);
      text-decoration: none;
      font-size: 0.9rem;
      transition: var(--transition);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .footer-legal a:hover {
      color: var(--accent-yellow);
    }

    .back-to-top {
      background: var(--accent-yellow);
      color: var(--footer-dark);
      width: 45px;
      height: 45px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .back-to-top::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(255, 255, 255, 0.2);
      opacity: 0;
      transition: var(--transition);
    }

    .back-to-top:hover::before {
      opacity: 1;
    }

    .back-to-top:hover {
      transform: translateY(-3px);
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 1024px) {
      .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
      }
      
      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 60px 20px 30px;
      }

      .footer-bottom-content {
        flex-direction: column;
        text-align: center;
      }

      .footer-legal {
        justify-content: center;
      }

      .social-links {
        justify-content: center;
      }
    }

    @media (max-width: 480px) {
      .footer-container {
        padding: 50px 15px 25px;
      }

      .footer-logo {
        font-size: 2rem;
      }

      .contact-info li {
        flex-direction: column;
        text-align: center;
        gap: 10px;
      }

      .contact-icon {
        align-self: center;
      }
    }