@import 'https://fonts.googleapis.com/css?family=Fira+Mono|Noto+Serif|Noto+Sans:300,400,500';

:root {
    --font-header: "Noto Sans", "Arial", "Helvetica", sans-serif;
    --font-main: "Noto Serif", "Arial", "Helvetica", sans-serif;
    --font-mono: "Menlo", "Fira Mono", monospace;

    --font-size: 16px;

    /* Primary ysed for hero gradient and links */
    --colorscheme-accent-one: #6FC0AA;
    --colorscheme-accent-two: #4A73A1;

    /* Background color and the general colors of borders 
     * or hovered elements */
    --colorscheme-bg-light: #FDFDFD;
    --colorscheme-bg-dark: #E6E6E6;

    /* Normal text vs Header text vs Pre */
    --colorscheme-fg-dark: #132A44;
    --colorscheme-fg-light: #475F7B;
    --colorscheme-fg-code: #666666;

    --hero-gradient: radial-gradient(circle, var(--colorscheme-accent-one), var(--colorscheme-accent-two));
    --hero-height: 84vh;
}

* {
    box-sizing: border-box;   
}

html {
    font-family: var(--font-main);
    font-size: var(--font-size);
}

body {
    background-color: var(--colorscheme-bg-light);
    color: var(--colorscheme-fg-light);
    margin: 0 auto;
    max-width: 800px;
    line-height: 2;
    padding: 4em;
}

/* Header theme */
body > header {
    min-height: var(--hero-height);
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
    max-width: none;
    top: 0;
    left: 0;
    position: absolute;
    line-height: 1.5;
    background: var(--hero-gradient);
    border-bottom: 1px solid var(--background-color-darkest);
    padding: 4em 1em;
}

body > header > * {
    z-index: 1;
}

body > header > img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    object-fit: cover;
    opacity: 0.75;
    transform: translate3d(0, 0, 0);
    z-index: 0;
}

body > header > h1,
body > header > h2 {
    text-align: center;
}

body > header > h1 {
    position: relative;
    font-size: 4em;
}

body > header > h2 {
    margin: 0;
    position: relative;
    font-size: 2.5em;
}

body > header > nav {
    position: absolute;
    top: 2rem;
    right: 2.5rem;
}

body > header > nav a {
    color: var(--colorscheme-fg-dark);
    margin: 0 0.5rem;
}

body > header + * {
    margin-top: var(--hero-height);
}

body > header + nav:before {
    content: "Navigation: ";
    padding-right: 1em;
}

body > header + nav {
    margin-top: calc(var(--hero-height) - 1em);
    margin-bottom: 2em;
}

body > header + nav a {
    padding: 0.25em;
    margin: 0 0.5em;
}

/* Generic styling */
h1,
h2,
h3,
h4,
h5,
h6,
th,
caption,
strong {
    color: var(--colorscheme-fg-dark);
}

h1, 
h2, 
h3, 
h4, 
h5,
h6,
th,
caption {
    margin: 1rem 0 0.5rem 0;
    font-family: var(--font-header);
    font-weight: 600;
    letter-spacing: 0.025em
}

h1 {
    font-size: 2.2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.15rem;
}

h6,
caption,
th {
    font-size: 1rem;
}

h1 + h1,
h1 + h2,
h1 + h3,
h1 + h4,
h1 + h5,
h1 + h6,
h2 + h1,
h2 + h2,
h2 + h3,
h2 + h4,
h2 + h5,
h2 + h6,
h3 + h1,
h3 + h2,
h3 + h3,
h3 + h4,
h3 + h5,
h3 + h6,
h4 + h1,
h4 + h2,
h4 + h3,
h4 + h4,
h4 + h5,
h4 + h6,
h5 + h1,
h5 + h2,
h5 + h3,
h5 + h4,
h5 + h5,
h5 + h6,
h6 + h1,
h6 + h2,
h6 + h3,
h6 + h4,
h6 + h5,
h6 + h6 {
    margin-top: -0.5rem;
    margin-bottom: 0;
}

b, strong {
    font-weight: bold;
}

em, i {
    font-style: oblique;
}

p {
   margin: 0.75em 0;
}

code,
pre {
    font-family: "Fira Mono", monospace;
    color: var(--colorscheme-fg-code);
    background-color: var(--colorscheme-bg-dark);
    font-size: 0.9rem;
}

pre {
    padding: 1em;
    margin: 0.5em 0;
    font-family: monospace;
}

code {
    padding: 0.15em 0.25em;
    vertical-align: baseline;
}

hr {
    border: 0;
    height: 1px;
    background: var(--colorscheme-bg-dark);
    margin: 1rem 0;
}

a {
    color: var(--colorscheme-accent-one); 
    text-decoration: none;
    padding: 0 0.1em;
    height: 1.25em;
    display: inline-block;
}

a:hover {
    color: var(--colorscheme-accent-two);
    text-decoration: underline;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: justify;
    margin: 2rem 0 2rem 0;
}

tr {
    border-bottom: 1px solid var(--colorscheme-bg-dark);
}

tr:hover {
    background-color: var(--colorscheme-bg-dark);
}

td, th {
    padding: 1rem;
}

th {
    text-transform: uppercase;
    text-align: left;
}

ol,
ul {
    margin: 1rem;
}

ul {
    list-style: square;
}

ul > ul, 
ol > ol, 
ul > ol, 
ol > ul {
    margin-top: 0;
    margin-bottom: 0;
}

ol {
    list-style: plain;
}

li {
    padding-left: 0.5em;
    margin-bottom: 0.5em;
}

small,
sub,
sup {
    font-size: 0.75em;
}

img {
    max-width: 100%;
}

blockquote {
    font-style: italic;
    margin: 0.5em 1.5em 0.75em 1.5em;
    padding-left: 0.75em;
    padding-bottom: 0.25em;
    border-left: 0.25em solid var(--colorscheme-fg-dark);
}

/* Form Element stuff */
fieldset {
    border: 1px solid var(--colorscheme-bg-dark);
    padding: 0.5rem 1.5rem;
}

label {
    position: relative;
}

input, select, button {
    font-family: var(--font-main);
    font-size: 1em;
    margin: 0 0 1rem 0;
    padding: 0.25rem;
    color: var(--colorscheme-fg-light);
}

input[type="text"],
input[type="url"],
input[type="tel"],
input[type="number"],
input[type="color"],
input[type="email"],
input[type="password"],
input[type="search"] {
    display: block;
    background-color: inherit;
    border: none;
    border-bottom: 1px solid var(--colorscheme-bg-dark);
    transition: 0.5s ease-in-out border-bottom;
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="color"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus {
    border-bottom: 1px solid var(--colorscheme-fg-light);
}

input[type="submit"],
input[type="button"],
input[type="reset"],
button {
    display: inline-block;
    padding: 0.5rem;
    margin: 0.25rem;
    border: 1px solid var(--colorscheme-bg-dark);
    background-color: var(--colorscheme-bg-light);
    cursor: pointer;
    transition: 0.5s ease-in-out border-color;
}

input[type="submit"]:hover,
input[type="button"]:hover,
input[type="reset"]:hover,
button:hover {
    border: 1px solid var(--colorscheme-fg-dark);
}

select {
    display: block;
    border: 1px solid var(--colorscheme-bg-dark);
    padding: 0.25rem 0.5rem;
    background-color: var(--colorscheme-bg-light);
    transition: 0.5s ease-in-out border-color;
}

select:hover {
    border: 1px solid var(--colorscheme-fg-dark);
}

input[type="checkbox"],
input[type="radio"] {
    margin-left: 0.5rem;
    margin-right: 0.5rem;
}

textarea {
    font-family: var(--font-main);
    border: 1px solid var(--colorscheme-bg-dark);
    padding: 0.5rem;
    min-height: 1rem;
    width: 100%;
}

textarea[disabled],
select[disabled],
input[disabled],
button[disabled],
input[disabled]::placeholder,
textarea[disabled]::placeholder {
    color: #AAAAAA;
    cursor: not-allowed;
    opacity: 0.5;
    text-decoration: line-through;
}

/* Media Queries */
@media (max-width: 50em) {
    :root {
        --hero-height: 90vh;
        --font-size: 12px;
    }

    body {
        padding: 1.5em;
    }

    body > header + nav {
        margin-top: calc(var(--hero-height));
    }

    body > header + nav:before {
        display: none;
    }

    table, table * {
        display: block;
    }
    
    tr {
        border: none;
    }

    tr:hover {
        background-color: initial;
    }

    th {
        display: none;
    }

    td {
        border-bottom: 1px solid var(--colorscheme-bg-dark);
    }

    td:hover {
        background-color: var(--colorscheme-bg-dark);
    }

    td[data-label] {
        text-align: right;
    }

    td[data-label]:before {
        content: attr(data-label);
        float: left;
        text-transform: uppercase;
        font-weight: bold;
    }
}