/* MVP.css v1.7.3 - https://github.com/andybrewer/mvp */

:root {
    --border-radius: 5px;
    --box-shadow: 2px 2px 10px;
    --color: darkblue;
    --hover-color: blue;
    --color-accent: #118bee15;
    --color-bg: #fff;
    --color-bg-secondary: #e9e9e9;
    --color-secondary: darkblue; /*#920de9;*/
    --color-secondary-accent: #920de90b;
    --color-shadow: #f4f4f4;
    --color-text: #000;
    --color-text-secondary: #999;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --hover-brightness: 1.2;
    --justify-important: center;
    --justify-normal: left;
    --line-height: 1.5;
    --width-card: 285px;
    --width-card-medium: 460px;
    --width-card-wide: 800px;
    --width-content: 720px;
}

/*
@media (prefers-color-scheme: dark) {
    :root {
        --color: #0097fc;
        --color-accent: #0097fc4f;
        --color-bg: #333;
        --color-bg-secondary: #555;
        --color-secondary: #e20de9;
        --color-secondary-accent: #e20de94f;
        --color-shadow: #bbbbbb20;
        --color-text: #f7f7f7;
        --color-text-secondary: #aaa;
    }
}
*/

/* Layout */
article aside {
    background: var(--color-secondary-accent);
    border-left: 4px solid var(--color-secondary);
    padding: 0.01rem 0.8rem;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-family);
    line-height: var(--line-height);
    margin: 0;
    overflow-x: hidden;
    padding: 1rem 0;
}

footer,
header,
main {
    margin: 0 auto;
    max-width: var(--width-content);
    width: calc(100% - 2rem);
    padding: .5rem 1rem;
}

header{
    position: fixed;
    top: 0;
    left: calc(50% - var(--width-content) / 2);
    padding-left: 0;
    padding-right: 0;
    background-color: white;
    border-bottom: solid 1px var(--color-bg-secondary);
    z-index: 999;
}

@media screen and  (max-width: 740px) {
    header{
        left: 0;
        width: 100%;
    }
    
}

hr {
    background-color: var(--color-bg-secondary);
    border: none;
    height: 1px;
    margin: 4rem 0;
    width: 100%;
}

section {
    justify-content: var(--justify-important);
}

section img,
article img {
    max-width: 100%;
}

section pre {
    overflow: auto;
}

section aside {
    border: 1px solid var(--color-bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow) var(--color-shadow);
    margin: 1rem;
    padding: 1.25rem;
    width: var(--width-card);
}

section aside:hover {
    box-shadow: var(--box-shadow) var(--color-bg-secondary);
}

[hidden] {
    display: none;
}

/* Headers */
article header,
div header,
main header {
    padding-top: 0;
}

header {
    /* text-align: var(--justify-important); */
}

header a b,
header a em,
header a i,
header a strong {
    margin-left: 0.5rem;
    margin-right: 0.5rem;
}


header nav > a{
    color: var(--color-text);
    padding-left: .5rem
}
header nav img {
    margin: 1rem 0;
}

section header {
    padding-top: 0;
    width: 100%;
}

/* Nav */
nav {
    align-items: center;
    display: flex;
    font-weight: bold;
    justify-content: space-between;
    /* margin-bottom: 7rem; */
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline-block;
    margin: 0 0.5rem;
    position: relative;
    text-align: left;
}

/* Nav Dropdown */
nav ul li:hover ul {
    display: block;
}

nav ul li ul {
    background: var(--color-bg);
    border: 1px solid var(--color-bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow) var(--color-shadow);
    display: none;
    height: auto;
    right: -2px;
    padding: .5rem 1rem;
    position: absolute;
    top: 1.7rem;
    white-space: nowrap;
    width: auto;
    z-index: 1;
}

nav ul li ul li.space{
    margin-top:1rem;
}

nav ul li ul::before {
    /* fill gap above to make mousing over them easier */
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -0.5rem;
    height: 0.5rem;
}

nav ul li ul li,
nav ul li ul li a {
    display: block;
}

/* Typography */
code,
samp {
    background-color: var(--color-accent);
    border-radius: var(--border-radius);
    color: var(--color-text);
    display: inline-block;
    margin: 0 0.1rem;
    padding: 0 0.5rem;
}

details {
    margin: 1.3rem 0;
}

details summary {
    font-weight: bold;
    cursor: pointer;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    text-align: left;
    line-height: var(--line-height);
    padding-top:5rem
}

h1{
    padding-top: 100px;
    margin-bottom: 4rem;
    font-size: 150%;
}
h2{
    font-size: 125%;
}
/* h1::before{
    content: "CHAPTER " counter(h1counter) ".\0000a0\0000a0";
    counter-increment: h1counter;
    counter-reset: h2counter;
}
h2:before {
    content: counter(h1counter) "." counter(h2counter) ".\0000a0\0000a0";
    counter-increment: h2counter;
    counter-reset: h3counter;
}
h3:before {
    content: counter(h1counter) "." counter(h2counter) "." counter(h3counter) ".\0000a0\0000a0";
    counter-increment: h3counter;
} */

/* thanks: http://philarcher.org/diary/2013/headingnumbers/ */
body {counter-reset: h1}
h1 {counter-reset: h2}
h2 {counter-reset: h3}
h3 {counter-reset: h4}
h4 {counter-reset: h5}
h5 {counter-reset: h6}

h1:before {counter-increment: h1; content:  "CHAPTER "counter(h1) ". " }
h2:before {counter-increment: h2; content: counter(h1) "." counter(h2) ". "}
h3:before {counter-increment: h3; content: counter(h1) "." counter(h2) "." counter(h3) ". "}

h1.nocount:before, h1.title:before, h1.Title:before,  h2.nocount:before, h3.nocount:before, h4.nocount:before, h5.nocount:before, h6.nocount:before { content: ""; counter-increment: none } 


mark {
    padding: 0.1rem;
}

ol li,
ul li {
    padding: 0.2rem 0;
}

p {
    margin: 0.75rem 0;
    padding: 0;
}

pre {
    margin: 1rem 0;
    max-width: var(--width-card-wide);
    padding: 1rem 0;
}

pre code,
pre samp {
    display: block;
    max-width: var(--width-card-wide);
    padding: 0.5rem 2rem;
    white-space: pre-wrap;
}

small {
    color: var(--color-text-secondary);
}

sup {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius);
    color: var(--color-bg);
    font-size: xx-small;
    font-weight: bold;
    margin: 0.2rem;
    padding: 0.2rem 0.3rem;
    position: relative;
    top: -2px;
}
/* sup::before{
    content: '[';
}
sup::after{
    content: ']';
} */

/* Links */
a {
    color: var(--color);
    display: inline-block;
    font-weight: bold;
    text-decoration: none;
}

a:hover {
    color: var(--hover-color);
    /* text-decoration: underline; */
}
a:hover sup{
    background-color: var(--hover-color);
}

a b,
a em,
a i,
a strong,
button {
    border-radius: var(--border-radius);
    display: inline-block;
    font-size: medium;
    font-weight: bold;
    line-height: var(--line-height);
    margin: 0.5rem 0;
    padding: 1rem 2rem;
}

button {
    font-family: var(--font-family);
}

button:hover {
    cursor: pointer;
    color: var(--hover-color);
}

a b,
a strong,
button {
    background-color: var(--color);
    border: 2px solid var(--color);
    color: var(--color-bg);
}

a em,
a i {
    border: 2px solid var(--color);
    border-radius: var(--border-radius);
    color: var(--color);
    display: inline-block;
    padding: 1rem 2rem;
}

article aside a {
    color: var(--color-secondary);
}

/* Images */
figure {
    margin: 0;
    padding: 0;
}

figure img {
    max-width: 100%;
}

figure figcaption {
    color: var(--color-text-secondary);
}

/* Forms */

button:disabled,
input:disabled {
    background: var(--color-bg-secondary);
    border-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    cursor: not-allowed;
}

button[disabled]:hover {
    filter: none;
}

form {
    border: 1px solid var(--color-bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow) var(--color-shadow);
    display: block;
    max-width: var(--width-card-wide);
    min-width: var(--width-card);
    padding: 1.5rem;
    text-align: var(--justify-normal);
}

form header {
    margin: 1.5rem 0;
    padding: 1.5rem 0;
}

input,
label,
select,
textarea {
    display: block;
    font-size: inherit;
    max-width: var(--width-card-wide);
}

input[type="checkbox"],
input[type="radio"] {
    display: inline-block;
}

input[type="checkbox"]+label,
input[type="radio"]+label {
    display: inline-block;
    font-weight: normal;
    position: relative;
    top: 1px;
}

input,
select,
textarea {
    border: 1px solid var(--color-bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    padding: 0.4rem 0.8rem;
}

input[readonly],
textarea[readonly] {
    background-color: var(--color-bg-secondary);
}

label {
    font-weight: bold;
    margin-bottom: 0.2rem;
}

/* Tables */
table {
    border: 1px solid var(--color-bg-secondary);
    border-radius: var(--border-radius);
    border-spacing: 0;
    display: inline-block;
    max-width: 100%;
    overflow-x: auto;
    padding: 0;
    /* white-space: nowrap; */
}

table td,
table th,
table tr {
    padding: 0.4rem 0.8rem;
    text-align: var(--justify-important);
}

table thead {
    background-color: var(--color);
    border-collapse: collapse;
    border-radius: var(--border-radius);
    color: var(--color-bg);
    margin: 0;
    padding: 0;
}

table thead th:first-child {
    border-top-left-radius: var(--border-radius);
}

table thead th:last-child {
    border-top-right-radius: var(--border-radius);
}

table thead th:first-child,
table tr td:first-child {
    text-align: var(--justify-normal);
}

table tr:nth-child(even) {
    background-color: var(--color-accent);
}

/* Quotes */
blockquote {
    display: block;
    font-size: 100%;
    line-height: var(--line-height);
    margin: 1rem auto;
    max-width: var(--width-card-medium);
    padding: 1.5rem 1rem;
    text-align: var(--justify-important);
}

blockquote footer {
    color: var(--color-text-secondary);
    display: block;
    font-size: small;
    line-height: var(--line-height);
    padding: 1.5rem 0;
}


h1.title{
    font-size: 50px;
    padding: 20vh 0;
}
h1.Title{
    font-size: xx-large;
    padding: 20vh 0;
    text-align: center;
}

.keypoints{
    background-color: black;
    color: var(--color-bg-secondary);
    padding: 1rem;

}
.keypoints > p > strong{
    margin-left:2.5rem;
    text-transform: uppercase;
}