*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container{
    max-width: 1300px;
}

html,body{
    font-family: 'Jost', sans-serif;
}


/*header*/
  

header .header_fix{
    position: fixed;
    margin-left: -20px;
    
    
  
  }
  header .navbar-brand {
    
    padding-right: 120px;
    padding-left: 100px;
  }
  
  header .navbar-nav {
    
      
    padding-right: 80px;
  
  }
  header .navbar {
    
    display: flex;
    justify-content: space-around;
    
    
  }
  
  
  header .navbar-brand p{
    
      font-size: 14px;
      
  }
  
  header .navbar-brand span{
  
    line-height: 1px;
  }
    header .navbar-nav .nav-item a{
  
      color: #BDC0C4;
  
  }
  
  header .navbar-collapse button{
      color: #BDC0C4;
      transition: 0.5s all;
  }
  
  header .navbar-collapse .dropdown button:hover{
      color: white;
  }
  
  header .navbar  .search_theme{
  
    display: flex;
    justify-content: flex-end;
    margin-left: 100px;
  }
   
  header .navbar-nav a .nav-link{
    
      
      transition: all 0.5s; /* chỉnh transition cho hiệu ứng hover chữ bên dưới được mượt mà*/
    
  }
      
  header .nav-item .nav-link:hover{
    
      width: 100%;
      color:white;
    
  }
  header .nav-item .dropdown button{
    
      
    transition: all 0.5s; /* chỉnh transition cho hiệu ứng hover chữ bên dưới được mượt mà*/
  
  }
  header .nav-item .dropdown button:hover{
    
      width: 100%;
      color:white;
    
  }
        
    
  header .search .fa{
  
         width: 50px;
         height: 50px;
         border-radius: 50%;
  
  }
    
    /* chỉnh cho header nằm dầu tiên mà dưới background-->dùng position ở phần heder mà không có relative thì header sẽ tự nhận body làm cha + dùng z-index:999*/
  header{
    
      position: absolute;
      top:0;
      left: 0;
      z-index: 999;
      
  }
  
  header hr{
    color: #BDC0C4;
      margin-top: 20px;
      margin: 0;
      border: 0;
      border-top: 1px solid;
      opacity: 0.25;
  }
  
  header .navbar-collapse{
    margin-left: 100px;
  }
/* banner_blog */

.about_bg{
    background: url(./img/b1.jpg);
    background-size: cover;
    background-repeat: no-repeat, no-repeat, no-repeat;
    position: relative;
    z-index: 0;
}

.hero_overlay {
    background: rgba(29, 42, 55, 0.7);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;

}

.title_1{
    color: #fff;
    font-size: 50px;
    font-weight: 600;
    text-align: center;
    margin-top: 50px;
}

.title_2{
    color: #fff;
    font-size: 20px;
    opacity: 0.7;
}

/* about_1 */

.img_left img{
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    -webkit-border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    -o-border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    -moz-border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    -ms-border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
    -webkit-box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
    -ms-box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
    -o-box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
    -moz-box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
}

.img_left .position-relative{
    z-index: 1;
}
.bg_shape {
    border-radius: 25% 70% 84% 22% / 42% 75% 25% 75%;
    box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
    -webkit-box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
    -ms-box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
    -o-box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
    -moz-box-shadow: 0 15px 38px 0 rgba(0, 0, 0, 0.2);
    width: 500px;
    height: 500px;
    background: #009f4d;
    opacity: .4;
    position: absolute;
    top: 0;
    z-index: -1; 
}

.imginfo_box{
    background-color: #009f4d;
    color: #fff;
    position: absolute;
    right: 85px;
    bottom: 10px;
    padding: 35px;
    box-shadow: 30px 30px 30px rgba(0, 0, 0, 0.2);
    min-width: 200px;
    border-radius: 8px;
    min-height: 200px;
    transform: rotate(45deg);
    text-align: center;
}

.imginfo{
    transform: rotate(-45deg);
}

.imginfo_title{
    font-size: 40px;
    line-height: 40px;
    color: #fff;
    font-weight: 600;
    margin: 0;
    padding: 0 0 10px 0;
}

.imginfo_box p{
    color: #fff;
    font-size: 24px;
    line-height: 28px;
}

.title_small{
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    line-height: 30px;
    letter-spacing: 1px;
    color: #7e7d7d;
    display: block;
}
.title_big{
    font-size: 35px;
    line-height: 45px;
    font-weight: 600;
    color:#3f3a64;
}

.title_right p{
    font-size: 17px;
    line-height: 27px;
    color:#666;
    opacity: .8;
}


.btn_moree{
    padding: 15px 50px;
    font-size: 16px;
    line-height: 18px;
    font-weight: 600;
    transition: 0.3s ease-in;
    border-radius: 8px;
    background-color: #009F4D;
    border: none;
    margin-top: 45px;
}

.btn_moree a{
   
    color: white;
    text-decoration: none;
}

.btn_moree:hover{
    background-color: #005a2b;
}

.video_icon{
    display: inline-block;
    width: 70px;
    height: 70px;
    font-size: 22px;
    padding-left: 5px;
    text-align: center;
    line-height: 65px;
    border-radius: 50%;
    transition: 0.3s ease-in-out;
    -webkit-animation: ripple 1s linear infinite;
    animation: ripple 1s linear infinite;
    color: transparent;
    -webkit-text-stroke-width: 3px;
    -webkit-text-stroke-color:#009f4d;
    border: 3px solid #009f4d;
    margin-left: 30px;
}



/* about_2 */
.area_box{
    padding: 37px 30px;
    grid-gap: 10px;
    position: relative;
    z-index: 1;
    border-radius: 8px;
    background-color: #f8f9fa;
    box-shadow: 0 1rem 2rem var(--box-shadow-color);
    display: grid;
    grid-auto-flow: column;
}

.area_box i{
    font-size: 34px;
    width: 35px;
    color: #009f4d;
}

.area_box .box_info h4 a.title-heade{
    display: block;
    color:#3f3a64;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 15px;
    font-size: 22px;
    letter-spacing: 0;
    
}

/* 
.box_info h4 a p{
    font-size: 17px;
    line-height: 27px;
    color: #666;
    opacity: .8;
} */

.about_1 .area_box .box_info p{
    font-size: 17px;
    line-height: 27px;
    color: #666;
    opacity: .8;
}

.about_1 .area_box .title_heade{
    color: #3f3a64;
}



/* about2 */

.about_2{
   
}

.about_2 .content .column span{
    color: #009f4d;
    font-size: 35px;
    display: block;
    margin-bottom: 15px;
}


.column h4{
    margin-bottom: 12px;
    font-size: 22px;
    line-height: 28px;
    color: #3f3a64;
    display: inline-block;
    font-weight: 600;
    transition: 0.3s ease-in;
}


.column p{
    font-size: 17px;
    line-height: 27px;
    color: #666;
    opacity: .8;
}

.about_2 .img_fluid{
    border-radius: 8px;
    max-width: 100%;
    height: auto;
}


/* about3 */
.about_3{
    background: url(./img/bg1.jpg) no-repeat center;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
    z-index: 1;
    display: grid;
    align-items: center; 
}
.about_3::before{
    content: "";
    background-color: rgba(29, 42, 55, 0.7);
    position: absolute;
    top: 0;
    min-height: 100%;
    left: 0;
    right: 0;
    z-index: -1;
}

.heading .title_big{
    color: white;
}
.heading p{
    color: #bcbaba;
}

.about_3 span{
    color: #f8f9fa;
}

 span.video_icon2{
    display: inline-block;
    width: 70px;
    height: 70px;
    font-size: 22px;
    text-align: center;
    line-height: 65px;
    border-radius: 50%;
    transition: 0.3s ease-in-out;
    animation: ripple 1s linear infinite;
    color: transparent;
    -webkit-text-stroke-color: #fff;
    border: 3px solid #fff;
    margin-left: -26px;
  
  
}

/* about_team */

.card, .card_img{
    position: relative;
    overflow: hidden;
    border-style:none ;
}

.about_team .overlay{
    background-color: rgba(20, 20, 20, 0.7);
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: all .2s ease-in-out;
    border-radius: 8px; 
}


.about_team .team_details{
    opacity: 0;
    position: absolute;
    top: 55%;
    left: 0;
    padding: 10%;
    overflow: hidden;
    width: 100%;
    z-index: 2;
    transition: all .2s ease-in-out;
}

.card .card_img{
    transition: all .2s ease-in-out;
    overflow: hidden;
    width: 100%;
    border-radius: 8px;
    
}
.card .card_img img{
    background: #fff;
    
}

.card_img .img_fluid {
    max-width: 100%;
    height: auto;

}

.team_details p{
    color: #d4d2d2;
    font-size: 20px;
}

.item_team a{
    display: inline-block;
    width: 37px;
    height: 37px;
    background-color: transparent;
}

.item_team i{
    line-height: 37px;
    color: #c3c2c2;
    font-size: 14px;
    width: 37px;
    height: 37px;
    border-radius: 50%;
    text-align: center;
    transition: all 0.2s linear;
}

.card_img:hover .team_details{
    opacity: 1;
    margin-top: -100px; }
  
.card_img:hover .overlay {
    opacity: 1; }
  
.item_team a:hover i {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.3); 
}

.item_team a:hover i {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.3); 
}
.team_title{
    margin: 25px 0 5px;
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    color: #3f3a64;
}

.card a{
    text-decoration: none;
    
}

.card p{
    font-size: 17px;
    line-height: 27px;
    color:#767676;
    opacity: .8;
}

/* content */

.content{
   
}

.content .content_icon_1{
    color: #009f4d;
    border: 1px solid;
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 8px;
    font-size: 30px;
    text-align: center;
    
}
.content_icon_1 span{
    font-size: 30px;
    
}


.row h6 a{
    text-align: left;
    margin-bottom: 0;
    color:#3f3a64;
    font-weight: 600;
    font-size: 24px;
    text-decoration: none;
}

.content .content_icon_2{
    color: #ff4c4c;
    border: 1px solid;
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 8px;
    font-size: 30px;
    text-align: center;
    
}


.content .content_icon_3{
    color:#3f3a64;
    border: 1px solid;
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 8px;

    font-size: 30px;
    text-align: center;
}


.content .content_icon_4{
    color:#f48924;
    border: 1px solid;
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 8px;
    font-size: 30px;
    text-align: center;
    
}

/* contact*/
.contact p{
    font-size: 17px;
    line-height: 27px;
    color:#7e7d7d;
    opacity: .8;

}
.btn_contact{
    padding: 15px 50px;
    font-size: 16px;
    line-height: 18px;
    font-weight: 600;
    transition: 0.3s ease-in;
    border-radius: 8px; 
    background-color: #009F4D;
    border-style: none;
    color: white;
}
.btn_contact:hover{
    background-color: #00803F;
}








/* footer */
footer{
    background-color: #151421;
    padding: 1.5em 0;
    border-top: 1px solid rgba(249, 249, 249, 0.1);
   
}

.footer_end .main_social a i{
    color: #7D7D83;
}

.footer_end .footer_1 p{
    color: #7D7D83;

}

.footer_2 a{
    color: #7D7D83;
    text-decoration: none;
}

.footer_2 p{
    color: #7D7D83;
    
}

.footer_3 ul{
    list-style: none;
   display: contents;
}

.footer_3 a{
    color: #7D7D83;
    text-decoration: none;
    
}

.footer_4 ul{
    list-style: none;
    display: contents;
}

.footer_4 a{
    color: #7D7D83;
    text-decoration: none;
}
/* back-totop */
.back_totop{
    padding: 1.5em 0;
    border-top: 1px solid rgba(249, 249, 249, 0.153);
}
.back_totop a{
    text-decoration: none;
    color: #009F4D;
}
.back_totop p{
    color:#7D7D83;
}

#back_to_top{
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color:#009F4D;
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    border-radius: 30px;
    cursor: pointer;


}
#back_to_top a{
    width: 100%;
    height: 100%;
    display: inline-block;
    color: white;
}
/*search_theme*/
/* Light theme */
#myBody {
    background-color:#f8f9fa;
  }
  
  #switchButton .fa-sun {
    display: none;
  }
  #switchButton .fa-moon {
    display: block;
  }
  
  /* Dark Theme*/
  .dark {
    background-color: black !important;
  
  }
  
  
  .dark #switchButton .fa-sun {
    display: block;
    color: white;
  }
  
  .dark #switchButton .fa-moon {
    display: none;
  }