*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
}
body{
    background:rgb(227, 226, 226);
    color:white;

}
  /* DarkLight Mood */
  button,
.btn{
    background:#805004;
    color:white;
    padding:14px 30px;
    border:none;
    border-radius:11px;
    text-decoration:none;
    font-weight:bold;
    cursor:pointer;
    transition:.3s;
}
button:hover,
.btn:hover:hover{
    background:#aa6b05;
    transform:translateY(-3px);
}

/*==END==*/



/* HEADER  */

header{
    text-align:center;
    padding:50px 20px;

}

header h1{
    font-size:50px;
    color:#805004;
    margin-bottom:15px;

}

header p{
    color:#805004;
    font-size:20px;
    margin-bottom:25px;

}

.back-btn{
    display:inline-block;
    text-decoration:none;
    background:#805004;
    color:white;
    padding:12px 30px;
    border-radius:8px;
    font-weight:600;
    transition:.3s;
    cursor: pointer;

}

.back-btn:hover{

    background:#aa6b05;
    transform:translateY(-3px);

}

/* LESSON GRID */

.lesson-container{
    width:90%;
    max-width:1300px;
    margin:40px auto;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:30px;

}

/* CARD */

.lesson-card{
    background:#805004;
    border:2px solid #6e4502;
    border-radius:15px;
    padding:30px;
    text-align:center;
    transition:.35s;
    box-shadow:0 10px 20px #805004;
}
.lesson-card:hover{
    transform:translateY(-10px);
    border-color:#714703;
    box-shadow:0 15px 35px #805004;

}

.lesson-card h2{
    color:white;
    font-size:28px;
    margin-bottom:15px;
}
.lesson-card h3{
    font-size:2px;
    color:white;
    margin-bottom:15px;
}
.lesson-card p{
    color:white;
    line-height:1.7;
    margin-bottom:30px;
}

/* BUTTON  */
.lesson-card button{
    width:100%;
    padding:14px;
    border:none;
    border-radius:8px;
    cursor:pointer;
    font-size:17px;
    font-weight:600;
    background:#6b4201;
    color:white;
    transition:.3s;
}
.lesson-card button:hover{
    background:#be7500;
    transform:scale(1.04);
}
/* RESPONSIVE */

@media(max-width:768px){
header h1{
    font-size:38px;
}
header p{
    font-size:17px;
}
.lesson-card{
    padding:25px;
}
.lesson-card h2{
    font-size:24px;
}
.lesson-card h3{
    font-size:20px;
}
}
body.light h1{
    color: white;
}
body.light p{
    color: white;
}