@font-face {
    font-family: 'local';
    font-weight: normal;
    font-style: normal;
    src: url('https://tonpa.guru/Geometria-Light.otf');
}

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

body {
    background-color: white;
    font-family: 'local', sans-serif;
    font-size: 16px;
}
hr { margin-top: 10px; margin-bottom: 10px; }

h1, h2, h3, h4 {
    font-weight: normal;
}

nav {
    margin: 10px 0;
    display: none;
    flex-direction: column;
    align-items: center;
}

nav a {
    font-size: 16px;
    border: 2px solid #dedede;
    background-color: white;
    color: blue;
    text-decoration: none;
    margin: 5px 5px;
    padding: 7px 12px;
    min-width: 150px;
    text-align: center;
}

nav a:visited {
    color: CadetBlue;
}

nav a:hover {
    border-bottom: 2px solid #00b8cf;
}


header {
    text-align: center;
    background-color: white;
    padding-top: 20px;
}

header h1 {
    line-height: 1;
    margin: 40px 20px 40px;
    padding-left: 20px;
    font-size: 38px;
    border-left: 2px solid #00b8cf;
    display: inline-block;
    text-align: left;
}

aside {
    background-color: white;
    padding: 20px 0 60px;
}

aside section {
    padding: 0 20px;
    max-width: 600px;
    margin: auto;
}

aside h3 {
    font-size: 28px;
    text-transform: uppercase;
    color: CadetBlue;
    padding: 20px 0 10px;
}

aside div {
    color: black;
}

aside img {
    width: 20px;
    vertical-align: middle;
}

aside a {
    text-decoration: none;
    color: CadetBlue;
}

aside a:visited {
    color: CadetBlue;
}

aside a:hover {
    background: rgba(255, 255, 255, 0.3);
}

main { }

main section {
    padding: 20px 0px 20px 0px;
}

main h3 {
    line-height: 1.2;
    font-size: 32px;
    margin: 20px;
    border-left: 2px solid #00b8cf;
    padding-left: 20px;
    max-width: 850px;
}

h4 {
    line-height: 2;
    font-size: 24px;
    margin: 20px;
    border-left: 2px solid white;
    padding-left: 20px;
    max-width: 850px;
}

main section:nth-of-type(even) {
    background-color: white;
}


main p {
    max-width: 850px;
    margin: 20px;
    line-height: 1.3;
}

main a {
    color: CadetBlue;
    text-decoration: none;
    margin: 0;
    border-bottom: 1px solid green;
}

main a:visited {
    color: CadetBlue;
    border-bottom: 1px solid #4A90E2;
}

main a:hover {
    background: rgba(71, 144, 256, 0.13);
}

main ul {
    list-style-type: none;
    max-width: 850px;
    margin: 20px;
}

main b {
    color: #4A90E2;
    font-weight: normal;
}

figure {
    margin: 50px auto;
    max-width: 100%;
    text-align: center;
}

figcaption {
    padding: 5px 20px;
    text-transform: uppercase;
    font-size: 1rem;
}

figure code {
    font-family: monospace;
    font-size: 16px;
    display: block;
    overflow-x: auto;
    max-width: 100%;
    padding: 0 10px;
    color: #c2d5ed;
    background-color: #2b3643;
    white-space: pre;
    text-align: left;
    border: 10px solid #E8E8E8;
}

header img {
    margin-right:20px;
    margin-bottom:-20px;
    width: 100px;
}

figure pre {
    font-family: monospace;
    font-size: 16px;
    overflow-x: auto;
    max-width: 100%;
    padding: 20px;
    color: #c2d5ed;
    background-color: #2b3643;
    white-space: pre-wrap;
    text-align: left;
    border: 10px solid #E8E8E8;
}

footer {
    text-align: center;
    background-color: white;
    color: black;
    padding: 50px 0 100px 0;
}

.desk { display: none; }
.heart { color: red; }
li { list-style-position: inside; }

@media(min-width: 550px) {

    figure img {
        max-width: 100%;
        background: white;
        border: 0px solid #E8E8E8;
    }

    nav {
        display: flex;
        flex-direction: row;
        justify-content: center;
    }

    nav a {
        font-size: 18px;
        min-width: initial;
    }
}

@media(min-width: 768px) {

    body {
        font-size: 18px; // MIDDLE
    }

    li { list-style-position: inside; }

    header h1 {
        font-size: 50px;
        margin: 70px 0 100px;
    }

    main section {
        padding-top: 20px;
    }

    main h3 {
        font-size: 36px;
        margin: 40px auto;
    }

    main h4 {
        font-size: 24px;
        margin: 40px auto;
    }

    main p {
        margin: 20px auto;
    }

    main ul {
        margin: 20px auto;
    }

    figcaption {
        text-align: center;
    }

    figure code {
        font-size: 16px;
    }

    figure img {
        max-width: 100%;
        background: white;
        border: 10px solid #E8E8E8;
    }

}

@media(min-width: 1280px) {

    .desk { display: inline-block; }
    li { list-style-position: outside; }
    body { font-size: 20px; }

    header h1 {
        font-size: 70px;
        margin: 100px 0 150px;
    }

    aside {
        text-align: center;
//        padding-bottom: 100px;
    }

    aside section {
        display: inline-block;
        vertical-align: top;
        text-align: left;
        font-size: 20px; // BIG
    }

    aside section:first-child {
        max-width: 650px;
        font-size: 22px;
    }

    main {
        text-align: center;
        background: white;
    }

    main section {
        background-color: white;
        text-align: left;
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }

    main section:first-child {
//        padding-top: 100px;
    }

    main h3 {
        font-size: 44px;
    }

    figure img {
        max-width: 100%;
        background: white;
        border: 10px solid #E8E8E8;
    }

}