:root {
    --black: #121212;
    --white: #ffffff;
    --logoblue: rgb(29, 205, 254);
    --logogreen: rgb(52, 245, 198);
    --lightgrey: rgb(200, 200, 200);
    --orange: rgb(255, 123, 0);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    max-width: 800px;
    margin: 40px auto;
    background-color: var(--black);
    color: var(--white);
    font-family: "Noto Sans", sans-serif;
    font-size: 18px;
    line-height: 1.3;
    overflow-x: hidden;
    padding: 0 0px;
    letter-spacing: 0.1rem;
}
header {
    display: flex;
    justify-content: space-around;
    align-items: center;
}
header h1 {
    font-size: 50px;
    font-weight: bold;
}
header h2 {
    font-size: 20px;
}
nav {
    margin-top: 50px;
}
nav ul {
    list-style: none;
    display: flex;
    justify-content: space-around;
    margin: 0 auto;
}
nav ul li {
    margin-right: 20px;
}
nav ul li a {
    color: var(--white);
    text-decoration: none;
}
nav ul li a:hover {
    text-decoration: underline;
    text-decoration-color: var(--logoblue);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    cursor: pointer;
}

nav ul li.active a {
    text-decoration: underline;
    text-decoration-color: var(--logogreen);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

a {
    text-decoration: none;
    color: var(--white);
}

a:hover {
    text-decoration: underline;
    text-decoration-color: var(--logoblue);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
    cursor: pointer;
}

footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
    color: var(--lightgrey);
    font-size: 14px;
}

main {
    padding: 60px;
}

p {
    padding: 10px 0;
}

div > p {
    line-height: 2em;
}

.blog-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tags {
    margin: 1rem 0;
    font-size: 0.8rem;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.green {
    text-decoration-color: var(--logogreen);
}

.blue {
    text-decoration-color: var(--logoblue);
}

.grey {
    text-decoration-color: var(--lightgrey);
}

.blog-border {
    height: 1px;
    width: 100%;
    background-color: var(--lightgrey);
    opacity: 0.2;
    margin: 10px 0;
}

.blog-date {
    font-size: 1rem;
    padding: 10px 0;
    opacity: 0.6;
}

.blog-divider-content {
    height: 2px;
    width: 500px;
    margin: 40px auto;
    background-color: var(--lightgrey);
}

.blog-content {
    margin: 10px 0;
}

.tags-container {
    display: flex;
    gap: 10px;
}

.reference {
    text-decoration: underline;
    text-decoration-color: var(--orange);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

@media (max-width: 600px) {
    header {
        display: flex;
        flex-direction: column-reverse;
        justify-content: center;

        div {
            text-align: center;
        }
    }

    nav ul li {
        margin-right: 0;
    }

    main {
        padding: 20px;
    }

    img {
        margin-bottom: 2rem;
    }

    .blog-container {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        margin-top: 2rem;
    }
}