@media(max-width:1199px){
  .container{
      max-width: 100%;
    --bs-gutter-x:30px;
  }
}
@media(max-width:991px){
    .header{
        padding: 12px 0;
    }
    .header-backdrop,
    .header-close-btn,
    .header-hamburger-btn{
        display: block;
    }
    .header-hamburger-btn{
       height: 34px;
       width: 40px;
       cursor: pointer;
       border: 0;
       background-color: transparent;
    }
    .header-hamburger-btn span{
        display: block;
        height: 2px;
        width: 24px;
        background-color: var(--black-90);
        position: relative;
        margin: auto;
    }
    .header-hamburger-btn span::before,
    .header-hamburger-btn span::after{
       content:'';
       position: absolute;
       left: 0;
       width: 100%;
       height: 100%;
       background-color: var(--black-90);
    }
    .header-hamburger-btn span::before{
        top: -7px;
    }
    .header-hamburger-btn span::after{
        top: 7px;
    }
    .header-close-btn{
        width: 40px;
        height: 40px;
        background-color: var(--main-color);
        position: absolute;
        left: 15px;
        top: 15px;
        color: var(--WHITE);
        border: 0;
        border-radius: 5px;
        cursor: pointer;
    }
    .header-menu{
        position: fixed;
        width: 300px;
        height: 100vh;
        top: 0;
        right: -300px;
        z-index: 1000;
        padding: 70px 0 50px;
        transition: all 0.5s ease;
        background-color: var(--white);
        box-shadow: var(--shadow);
        overflow: auto;
        visibility: hidden;
    }
    .header-menu.open{
      right: 0;
      visibility: visible;
    }
    .header .menu-item{
        display: block; 
        margin: 0;
    }

    .header .menu-item > a{
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 12px 15px;
        border-bottom: 1px solid var(--border-color-1);
    }
    .header .menu-item:first-child > a{
        border-top: 1px solid var(--border-color-1);
    }
    .header .menu-item:last-child {
        margin-left: 65px;
        margin-top: 25px;
    }
    .header .menu-item.active > a i{
       transform: rotate(-180deg);
    }
    .header .sub-menu{
        position: relative;
        width: 100%;
        opacity: 1;
        visibility: visible;
        box-shadow:none;
        transform: translateY(0);
        top: auto;
        padding: 0;
        border-radius: 0;
        max-height: 0;
        overflow: hidden;
    }
    .header .sub-menu-item a{
        padding: 12px 45px;
        border-bottom: 1px solid var(--border-color-1);
    }
    .header-backdrop{
        position:fixed;
        z-index: 999;
        left: 0;
        top: 0;
        height: 100%;
        width: 100%; 
        opacity: 0;
        transition: all 0.5s ease;
        visibility: hidden;
        background-color: var(--white);
    }
    .header-backdrop.active{
        visibility: visible;
        opacity: 0.8;
    }
    
    .circular-img{
      max-width: 280px;
    }
    .circular-img img{
        max-width: 240px;
      }
    .circular-img-circle{
     height: 280px;
     width: 280px;
     }
     .banner-text h1{
         font-size: 35px;
     }
     .section-title .sub-title{
         font-size: 30px;
     }
    .course-sidebar {
         margin-top: 30px;
     }
     .course-instructor .img-box img{
      width: 100px;
     }
     .course-instructor .details-wrap{
        margin-bottom: 15px ;
     }
     
     .how-it-works-item{
         margin-bottom: 30px;
     }
     .how-it-works-item.line-right::before{
         content:none;
     }
     .how-it-works-item{
         box-shadow: var(--shadow-black-100);
         border-radius: 10px; }
}
@media(max-width:767px){
    .container{
        --bs-gutter-x:15px;
    }
    .box{
        padding: 20px 15px;
    }
    .banner-text h1{
        font-size: 24px;
    }
    .bai-section{
        text-align: center;
    }
    .section-title .sub-title,
    h3,
    .banner-text h2{
        font-size: 18px;
    }
    .form-title,
    .section-title .sub-title{
        font-size: 22px;
    }
    .course-header h2{
        font-size: 24px;
    }
    .course-curriculum .accordion-button span{
        position: relative;
        right: auto;
        font-size: 12px;
        width: 100%;
        margin-top: 8px;
    }
    .course-curriculum .accordion-button{
        padding-right: 15px;
    }
    .course-curriculum ul li span{
        font-size: 12px;
        position: relative;
        display: block;
        margin-top: 5px;
    }
    .course-curriculum ul li{
        padding: 0 0  0 20px;
    }
    .rating-box{
        margin-bottom: 15px;
    }
    .rating-summary{
        margin-bottom: 15px;
    }
    .services .box-container .services-box{
        width: 95%;
       }

}
@media(max-width:575px){
   .circular-img{
       max-width: 230px;
   }
   .circular-img .header-img{  
    max-width: 200px; 
    max-height: 200px;
   }
   .circular-img img{  
    max-width: 200px; 
    
   }
   .circular-img-circle{
      width: 230px;
      height: 230px; 
   }
   .footer-item{
       text-align: center;
   }
   .header-logo a{
       font-size: 22px;
   }
   .modal-dialog{
       margin: 8px 15px;
   }
   .services .box-container .services-box{
    width: 95%;
   }
}

@media (max-width:400px){

    .services .box-container .services-box{
        width: 92%;
    }

 }