@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');
* {

margin: 0;
padding: 0;
box-sizing: border-box;
text-decoration: none;
border: none;
outline: none;
scroll-behavior: smooth;
font-family: 'Poppins' , sans-serif;

}
:root {
   --bg-color : #1f242d;
   --second-bg-color: #323946;
   --text-color:#fff;
   --main-color: #0ef;

}
html {
font-size: 62.5%;
overflow-x: hidden;

}
body{
background: var(--bg-color);
color: var(--text-color);



}
section{
min-height: 100vh;
padding: 10rem 9% 2rem;


}
.header {
position: fixed;
top: 0;
left: 0;
width: 100%;
padding: 2rem 9%;
background: var(--bg-color);
display: flex;
justify-content: space-between;
align-items: center;
z-index: 100;



}
.header.sticky {
    border-bottom: .1rem solid rgba(0 , 0, 0, .2);
}
.logo{
font-size: 2.5rem;
color: var(--text-color);
font-weight: 600;
cursor: default;




}
.navbar a {
font-size: 1.7rem;
color: var(--text-color);
margin-left: 4rem;
transition: .3s;


}
.navbar a:hover,
.navbar a.active{
color: var(--main-color);



}
.navbar .btnLogin-popup {
    width: 130px;
    height: 50px;
    background: transparent;
    border : 2px solid #fff;
    outline: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.7rem;
    color: #fff;
    font-weight: 500;
    margin-left: 40px;
transition: .5s;
}
.navbar .btnLogin-popup:hover{
    background: #fff;
    color: #162938;
    }
#menu-icon {

    font-size: 3.6rem;
    color: var(--text-color);
    display: none;


}
.home{
    display: flex;
    justify-content: center;
    align-items: center;

}

.home-content h3{
    font-size: 3.2rem;
    font-weight: 700;
}
.home-content h3:nth-of-type(2){
    margin-bottom: 2rem;

}
span{
    color: var(--main-color);
}
.home-content h1{
    font-size: 5.6rem;
    font-weight: 700;
    line-height: 1.3;

}
.home-content p{
font-size: 1.6rem;
}


.btn{
    display: inline-block;
    padding: 1rem 2.8rem ;
    background: var(--main-color);
    border-radius: 4rem;
    box-shadow: 0 0 1rem var(--main-color);
    font-size: 1.6rem;
    color: var(--second-bg-color);
    letter-spacing: .1rem;
    font-weight: 600;
    transition: .5s ease;
}
.btn:hover {
    box-shadow: none;
}

.heading {
    text-align: center;
    font-size: 4.5rem;
}

.courses {
    background: var(--second-bg-color);

}
.courses h2 {
    margin-bottom: 4rem;

}
.courses-container {
display: grid;
grid-template-columns: repeat(3, 1fr);
align-items: center;
gap: 2.5rem;


}
.courses-container .courses-box {
    position: relative;
    border-radius: 2rem;
    box-shadow: 0 0 1rem var(--bg-color);
    overflow: hidden;
    display: flex;

}
.courses-box img {
width: 100%;
transition: .5s ease;
}
.courses-box:hover img {
    transform: scale(1.1);
}
.courses-box .courses-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,.1), var(--main-color));
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 0 4rem;
    transform: translateY(100%);
    transition: .5s ease;

}
.courses-box:hover .courses-layer {
    transform: translateY(0);

}

.courses-layer h4 {
    font-size: 3rem;
}
.courses-layer p {
    font-size: 1.6rem;
    margin: .3rem 0 1rem;
}
.courses-layer a {
display: inline-flex;
justify-content: center;
align-items: center;
width: 5rem;
height: 5rem;
background: var(--text-color);
border-radius: 50%;
}
.courses-layer a i {
    font-size: 2rem;
    color: var(--second-bg-color);

}
.account h2 {
margin-bottom: 3rem;

}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 2rem 9%;
    background: var(--second-bg-color);
}
.footer-text p {
    font-size: 1.6rem;
}
.footer-iconTop a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: .8rem;
    background: var(--main-color);
    border-radius: .8rem;
    transition: .5s ease;
}
.footer-iconTop a :hover {
    box-shadow: 0 0 1rem var(--main-color);


}
.footer-iconTop a i {
    font-size: 2.4rem;
    color: var(--second-bg-color);

}
.wrapper {
    position: relative;
    width: 400px;
    height: 440px;
    background: transparent;
    border: 2px solid rgba(255,255,255, .5);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    box-shadow: 0 0 30px rgba(0, 0 , 0 , .5);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    transform: scale(0);
    transition: transform .5s ease, height .2s ease;
    }
    .wrapper.active-popup{
    
        transform: scale(1);
    }
    .wrapper.active{
        height: 520px;
    }
    .wrapper .form-box{
    width: 100%;
    padding: 40px;
    }
    .wrapper .form-box.login{
       transition: transform .18s ease;
       transform: translateX(0);
    }
    .wrapper.active .form-box.login{
        transition: none;
        transform: translateX(-400px);
    
    }
    
    .wrapper .form-box.register{
        position: absolute;
        transition: none;
        transform: translateX(400px);
        
    }
    .wrapper.active .form-box.register{
        transition: transform .18s ease;
        transform: translateX(0);
     }
    
    
    
    
    .wrapper .icon-close {
        position: absolute;
        top: 0;
        right: 0;
        width: 45px;
        height: 45px;
        background: transparent;
        font-size: 2em;
        color: #fff;
        display: flex;
        justify-content: center;
        align-items: center;
        border-bottom-left-radius: 20px;
        cursor: pointer;
        z-index: 1;
    
    }
    
    .formbox  h2 {
    
        font-size: 6px;
        color: #fff;
        text-align: center;
    }
    .input-box{
    position: relative;
    width: 100%;
    height: 50px;
    border-bottom: 2px solid #fff;
    margin: 30px 0;
    }
    .input-box label{
        position: absolute;
        top : 50%;
        left: 5px;
        transform: translateY(-50%);
        font-size: 1em;
        color: #fff;
        font-weight: 500;
        pointer-events: none;
        transition: .5s;
    }
    .input-box input:focus~label,
    .input-box input:valid~label{
    top: -5px;
    
    
    
    
    }
    
    
    .input-box input{
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    outline: none;
    font-size: 1em;
    color: #fff;
    font-weight: 600;
    padding: 0 35px 0 5px;
    }
    .input-box .icon{
    position: absolute;
    right: 8px;
    font-size: 1.2em;
    color: #fff;
    line-height: 57px;
    }
    .remember-forget {
    font-size: .9em;
    color: #fff;
    font-weight: 500;
    margin: -15px 0 15px ;
    display: flex;
    justify-content: space-between;
    
    }
    .remember-forget label input {
        accent-color: #fff;
        margin-right: 3px;
    
    }
    .remember-forget a {
        color: #fff;
        text-decoration: none;
    
    }
    .remember-forget a:hover {
        text-decoration: underline;
    
    }
    .btn{
    width: 100%;
    height: 40px;
    background: transparent;
    border: none;
    outline: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    color: #fff;
    font-weight: 500;
    }
    .login-register{
        font-size: .9em;
        color: #fff;
        text-align: center;
        font-weight: 500;
        margin: 20px 0 10px;
    
    }
    .login-register p a {
        color: #fff;
        text-decoration: none;
        font-weight: 600;
    
    }
    .login-register p a:hover {
        text-decoration: underline;
    
    }

        .acc-container {
            
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 2rem;
        
        }
        .acc-container .acc-box {
            
            
        flex: 1 1 3rem;
        background: var(--second-bg-color);
        padding: 3rem 2rem 0.5rem;
        border-radius: 2rem;
        text-align: center;
        border: .2rem solid var(--bg-color);
        transition: .5s ease;
        }
        .acc-container .acc-box:hover{
        
        
            border-color: var(--main-color);
            transform: scale(1.02);
        }
        .acc-box h3{
            font-size: 2.6rem;
            
            
        }
        .acc-box p {
            font-size: 1.6rem;
            margin: 1rem 0n 3rem;
            }
        .acc-box h3 i {
                margin-right: 100%;
                font-size: 4rem;
                color: var(--main-color);
                }
                .btn{
                    display: inline-block;
                    padding: 1rem 2.8rem ;
                    background: var(--main-color);
                    border-radius: 4rem;
                    box-shadow: 0 0 1rem var(--main-color);
                    font-size: 1.6rem;
                    color: var(--second-bg-color);
                    letter-spacing: .1rem;
                    font-weight: 600;
                    transition: .5s ease;
                }
                .btn:hover {
                    box-shadow: none;
                }
                .academics-content h3 {
                    font-size: 2.6rem;
                    margin-top: 60px;
                    margin-left: 480px;
                }
                .academics-content p {
                    font-size: 1.6rem;
                    margin: 2rem 0 3rem;
                }
               
                  
                .academics-content.wrapper2 {
                    display: grid;
                    grid-template-columns: 1fr 1fr;
                    gap: 4px;
                  }
                
                  .button-row {
                    display: flex;
                    justify-content: space-around;
                    gap: 10px;
                    margin-bottom: 30px;
                  }
                  
                  button {
                    padding: 10px 20px;
                    font-size: 30px;
                    background-color: transparent;
                    color: white;
                    border: none;
                    cursor: pointer;
                    gap: 10px;
                    
                    border-radius: 2rem;
                    text-align: center;
                    border: .2rem solid var(--bg-color);
                    transition: .5s ease;
                  }

                  
                  button:hover {
                    border-color: var(--main-color);
                    transform: scale(1.02);
                  }
                 .wrapper3 {
                    margin-top: 7%;
                 }
                 .wrapper3 .button-row button {
                  background-color: var(--second-bg-color);

                 }
            .navbar {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar a {
  font-size: 1.7rem;
  color: var(--text-color);
  transition: 0.3s;
}

#auth-buttons,
#logout-button {
  display: flex;
  gap: 1rem;
  margin-left: auto;
}

/* === AUTH FORMS (Login & Signup) === */

.form-box {
  background: var(--second-bg-color);
  padding: 3rem;
  border-radius: 1.5rem;
  box-shadow: 0 0 1rem var(--main-color);
  width: 100%;
  max-width: 400px;
}

.form-box .input-box {
  position: relative;
  margin-bottom: 2.5rem;
}

.form-box .input-box input {
  width: 100%;
  padding: 1.2rem 1rem;
  font-size: 1.6rem;
  border: none;
  border-bottom: 2px solid #fff;
  background: transparent;
  color: #fff;
}

.form-box .input-box label {
  position: absolute;
  top: 50%;
  left: 10px;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: #aaa;
  pointer-events: none;
  transition: 0.3s ease;
}

.form-box .input-box input:focus ~ label,
.form-box .input-box input:valid ~ label {
  top: -10px;
  left: 5px;
  font-size: 1.2rem;
  color: var(--main-color);
  background: var(--second-bg-color);
  padding: 0 5px;
}

.form-box .icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: #aaa;
  font-size: 1.8rem;
}
/* === Responsive Design for Mobile Devices === */
@media (max-width: 768px) {
  html {
    font-size: 55%;
  }

  .home {
    flex-direction: column;
    padding: 4rem 5%;
    text-align: center;
  }

  .home-content h1 {
    font-size: 3.6rem;
  }

  .home-content h3 {
    font-size: 2.4rem;
  }

  .home-content p {
    font-size: 1.4rem;
  }

  .courses-container {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }

  .form-box {
    padding: 2rem;
    margin: 0 1rem;
    box-shadow: none;
  }

  .form-box .input-box input {
    font-size: 1.4rem;
  }

  .form-box .input-box label {
    font-size: 1.2rem;
  }

  .navbar {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 2rem;
  }

  #auth-buttons,
  #logout-button {
    flex-direction: column;
    gap: 0.5rem;
    margin-left: 0;
  }

  .btn {
    font-size: 1.4rem;
    padding: 1rem 2rem;
  }

  .wrapper,
  .wrapper.active-popup {
    width: 90%;
    height: auto;
    padding: 2rem 1.5rem;
  }

  .wrapper3 .button-row {
    flex-direction: column;
    gap: 1rem;
  }

  .button-row button {
    width: 100%;
    font-size: 2rem;
  }

  .acc-container {
    flex-direction: column;
    gap: 2rem;
    padding: 0 1rem;
  }

  .acc-box {
    padding: 2rem 1.5rem;
  }

  .footer {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer-iconTop {
    margin-top: 1rem;
  }
}