:root{
    --primary: rgb(79, 79, 210);
    --theme:  mediumpurple;
}

.logo{
    cursor: pointer;
    text-decoration: none;
}

#logo{
    text-decoration: none;
    color: white;
}

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-align: center;
    scrollbar-width: thin;
    scrollbar-color: var(--theme) transparent;
}

body{
    width: 100%;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
.main{
    justify-content: center;
    align-items: center;
    margin: 0;
    height: 100vh;
    margin-left: auto;
    margin-right: auto;
}


header{
    background: linear-gradient(to right, var(--theme), var(--primary));
    display: flex;
    justify-content: center;
    text-align: center;
    position: relative;
    justify-content: space-between;
    width: 97%;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    transition: 5s;
    justify-self: center;
    padding: 5px;
}

header:hover{
    background: linear-gradient(to left, var(--theme), var(--primary));
}

header h1{
    color: white;
}

/* Overlay background */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background: rgba(0,0,0,0.4);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  z-index: 8;
  display: none;
}

.nav-overlay.show {
  display: block;
}

/* Ensure nav appears above overlay */
.nav {
  z-index: 10;
}

.nav { display: flex; gap: 15px; }

.nav a { 
  color: white; 
  text-decoration: none; 
  font-weight: 500;
}

.nav a:hover{
    color: rgb(184, 184, 212);
}

.menu-btn { 
  display: none; 
  font-size: 28px; 
  cursor: pointer;
  color: whitesmoke;
}

@media (max-width: 768px) {
      .nav { 
        display: none; 
        flex-direction: column; 
        background: linear-gradient(to right, var(--theme), var(--primary)); 
        position: absolute; 
        top: 60px; 
        right: 0; 
        width: 200px; 
        padding: 20px; 
        border-radius: 8px; 
        transition: 5s;
    }

    .nav:hover{
        background: linear-gradient(to left, var(--theme), var(--primary));
    }
      
    .nav.show { 
        display: flex; 
    }

      .menu-btn {
         display: block; 
        }
}

.start-learning{
     margin-left: auto;
     margin-right: auto;
     text-decoration: none;
     background: linear-gradient(to right, var(--theme), var(--primary));
     width: calc(100% - 25%);
     height: 30px;
     padding: 20px;
     border-radius: 22px;
     margin-bottom: 12px;
     color: white;
     cursor: pointer;
     transition: 1.5s;
     margin: auto;
}

.start-learning:hover{
    background: linear-gradient(to left, var(--theme), var(--primary));
    color: black;
}

.content a{
    color: var(--primary);
    text-decoration: none;
}

img{
    width: calc(70%);
    height: calc(80%);
    border-radius: 22px;
    box-shadow: 5px 5px 15px rgba(0, 0 ,0, 0.8);
    transition: .3s;
}

img:hover{
    transform:translateY(-6px);
}

.padding{
    padding: 90px;
}

.padding-2{
    padding: 40px;
}

#join-the-pride{
    justify-content: center;
    align-items: center;
    display: flex;
}

.main{
    height: max-content;
    width: calc(95%);
    border-radius: 12px;
    box-shadow: rgb(38, 57, 77) 0px 20px 30px -10px;
    padding: 20px;
    margin-left: auto;
    margin-right: auto;
}

footer{
     color: #777;
     margin: 40px auto;
     padding: 20px;
     background-color: #f9f9f9;
     border: 1px solid #ddd;
     box-shadow: 0 0 10px rgba(0,0,0,.1);
     border-radius: 12px;
     width: calc(100% - 5%);
     text-align: center;
     transition: 1.5s;
}

footer:hover{
    transform: translateY(-6px);
}

.course-outline{
    justify-content: center;
    align-items: center;
    margin: 0;
    height: 100vh;
    height: max-content;
    width: calc(80%);
    border-radius: 12px;
    box-shadow: 5px 5px 15px rgba(0, 0 ,0, 0.8);
    padding: 20px;
    margin-left: auto;
    margin-right: auto;
}

.lesson{
    justify-content: center;
    align-items: center;
    margin: 0;
    height: 100vh;
    height: max-content;
    width: calc(89%);
    border-radius: 12px;
    box-shadow: 5px 5px 15px rgba(0, 0 ,0, 0.8);
    padding: 20px;
    margin-left: auto;
    margin-right: auto;
}

.lesson h4{
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

pre{
    width: calc(89%);
    height: max-content;
    overflow: scroll;
    background-color: black;
    border-radius: 12px;
    color: rgb(255, 255, 255);
    padding: 5px;
    border: 3px 3px 5px solid linear-gradient(to left, var(--theme), var(--primary));
    box-shadow: 12px 10px 35px rgba(0, 0 ,0, 0.8);
}

#note{
    color: grey;
}

.note{
    color: red;
}

.example{
    text-decoration: underline;
}

.lesson a{
    color: var(--primary);
    text-decoration: none;
}