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

@import url('https://fonts.googleapis.com/css2?family=Texturina:ital,opsz,wght@0,12..72,100..900;1,12..72,100..900&display=swap');

.texturina-font {
    font-family: 'Texturina', serif;
    font-optical-sizing: auto;
    font-weight: 200;
    font-style: normal;
}

html body {
    font-family: 'Texturina', serif;
    color: #f0f0f0;
    line-height: 1.6;
}

html {
    font-size: 20px;
}

.Author {
    color: #a68dde;
}
small > a {
    margin: 0;
}

ul.list {
    list-style-type: square;
}

.background {
    background-image: url(Images/devbg2.jpeg);
    background-size: cover;
    position: absolute;
    max-height: 100vh;
    width: 100%;
    z-index: -3;
}

.background::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    width: 100%;
    height: 100%;
    background-image: url(Images/devbg.jpg);
    background-size: cover;
    background-position: center;
    filter: blur(20px);
    z-index: -2;
}

#content {
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    overflow-y: auto;
    width: 100%;
    height: 100%;
    max-height: 100vh;
    position: relative;
}

.header {
    color: #f0f0f0;
    width: 100%;
    text-align: center;
    z-index: 5;
    border-bottom: 1px solid #fff;
    padding: 10px;
}

.header h1 {
    color: #6699cc;
    margin-top: 0.2em;
    line-height: normal;
    word-wrap: break-word;
    font-size: 2.5em;
    font-weight: 900;
    margin-bottom: 0;
    letter-spacing: 0.05em;
}

h3 {
    color: #a68dde;
    text-decoration: underline;
}

h2 {
    font-weight: 700;
    font-size: 2em;
    color: #6699cc;
}

.main-doc {
    width: 80%;
    max-height: 100vh;
    overflow-y: auto;
}

.main-doc section {
    padding: 30px;
}

.main-doc ul {
    list-style-type: disc;
    margin-left: 20px;
}

.nav {
    width: 30%;
    max-width: 350px;
    line-height: 2;
    border-right: 1px solid #fff;
}

.nav a:hover {
    color: #c737eb;
    transition: color 0.3s ease;
}

a {
    text-decoration: none;
    margin-left: 15px;
    color: #66cccc;
}

a::active {
    color: #c737eb;
}

a:focus {
    outline: 2px solid #c737eb;
    outline-offset: 2px;
}

.nav li {
    border-bottom: 1px solid #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    #content {
        flex-direction: column;
    }
    .nav {
        margin-top: 0;
        width: 100%;
        max-width: 100vw;
        border-right: none;
        line-height: normal;
        height: auto;
        max-height: 50vh;
        overflow-y: auto;
    }
    html {
        font-size: 16px;
    }
    .header h1 {
        font-size: 2em;
    }
    .nav li {
        text-align: center;
        padding: 8px 0;
    }
    .main-doc {
        width: 100%;
        max-height: 70vh;
        overflow-y: auto;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.8em;
    }

    .nav li {
        padding: 8px 0;
    }
    .main-doc {
        width: 100%;
        max-height: 70vh;
        overflow-y: auto;
    }
}

.main-doc section {
    animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.main-doc::-webkit-scrollbar {
    width: 12px;
}

.main-doc::-webkit-scrollbar-thumb {
    background-color: #6699cc;
    border-radius: 10px;
    border: 3px solid #000000;
}

.main-doc::-webkit-scrollbar-track {
    background: #1c1c1c;
    border-radius: 10px;
}
.nav::-webkit-scrollbar {
    width: 12px;
}

.nav::-webkit-scrollbar-thumb {
    background-color: #6699cc;
    border-radius: 10px;
    border: 3px solid #000000;
}

.nav::-webkit-scrollbar-track {
    background: #1c1c1c;
    border-radius: 10px;
}