.footer-v4 {
  background: #0a0a0a;
  color: #fff;
  padding: 50px 20px;
  position: relative;
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.3);
}

.footer-v4::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(to right, #ff6b6b, #4ecdc4);
}

.footer-v4::before {
  pointer-events: none;
  z-index: 0;
}
.footer-v4 {
  position: relative;
  z-index: 1;
}

.footer-container-v4 {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 30px;
  align-items: center;
  text-align: center;
}

.footer-form-v4 .search-form {
  max-width: 350px;
  margin: 0 auto;
}

.footer-form-v4 .input-group {
  display: flex;
  align-items: center;
  border: 2px solid #fff;
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.footer-form-v4 .input-group:hover {
  border-color: #ff6b6b;
}

.footer-form-v4 .form-control {
  background: #fff;
  border: none;
  color: #333;
  padding: 12px 15px;
  flex: 1;
  font-size: 16px;
}

.footer-form-v4 .form-control::placeholder {
  color: #777;
}

.footer-form-v4 .btn-secondary {
  background: #fff;
  border: none;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.footer-form-v4 .btn-secondary:hover {
  background: #ff6b6b;
  color: #fff;
}

.footer-menu-v4 {
  display: flex;
  gap: 25px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-menu-v4 a {
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  position: relative;
  transition: color 0.3s ease;
}

.footer-menu-v4 a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background: #ff6b6b;
  transition: width 0.3s ease;
}

.footer-menu-v4 a:hover::after {
  width: 100%;
}

.footer-menu-v4 a:hover {
  color: #ff6b6b;
}

.footer-social-v4 {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.footer-social-v4 a {
  color: #fff;
  font-size: 20px;
  transition: transform 0.3s ease, color 0.3s ease;
}

.footer-social-v4 a:hover {
  color: #ff6b6b;
  transform: scale(1.2);
}

.footer-copyright p {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
  .footer-container-v4 {
    gap: 20px;
  }

  .footer-form-v4 .input-group {
    max-width: 100%;
  }

  .footer-menu-v4 {
    gap: 15px;
  }
}

@media (max-width: 480px) {
  .footer-menu-v4 {
    flex-direction: column;
    gap: 12px;
  }

  .footer-social-v4 {
    gap: 15px;
  }
}


body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #fafafa;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

    .header-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      position: relative;
      z-index: 2;
    }
    
        @media (max-width: 768px) {
      .header-inner {
        flex-direction: column;
        text-align: center;
      }
      .header-v1, .header-v2, .header-v3 {
        padding: 20px 0;
      }
      .logo img {
        max-height: 50px;
        margin-bottom: 10px;
      }
      .nav ul {
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
      }
      .header-v2 .nav a {
        font-size: 16px;
      }
      .header-v3 .nav ul li a {
        font-size: 18px;
      }
    }
    
    @media (max-width: 480px) {
      .nav ul {
        flex-direction: column;
        gap: 10px;
      }
      .nav a {
        font-size: 16px;
      }
    }