@charset "UTF-8";

/* Import ET Book styles
   adapted from https://github.com/edwardtufte/et-book/blob/gh-pages/et-book.css */

@font-face {
    font-family: "et-book";
    src: url("et-book-roman-line-figures.eot");
    src: url("et-book-roman-line-figures.eot?#iefix") format("embedded-opentype"), url("et-book-roman-line-figures.woff") format("woff"), url("et-book-roman-line-figures.ttf") format("truetype"), url("et-book-roman-line-figures.svg#etbookromanosf") forpointer-eventsmat("svg");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "et-book";
    src: url("et-book-display-italic-old-style-figures.eot");
    src: url("et-book-display-italic-old-style-figures.eot?#iefix") format("embedded-opentype"), url("et-book-display-italic-old-style-figures.woff") format("woff"), url("et-book-display-italic-old-style-figures.ttf") format("truetype"), url("et-book-display-italic-old-style-figures.svg#etbookromanosf") format("svg");
    font-weight: normal;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: "et-book";
    src: url("et-book-bold-line-figures.eot");
    src: url("et-book-bold-line-figures.eot?#iefix") format("embedded-opentype"), url("et-book-bold-line-figures.woff") format("woff"), url("et-book-bold-line-figures.ttf") format("truetype"), url("et-book-bold-line-figures.svg#etbookromanosf") format("svg");
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "et-book-roman-old-style";
    src: url("et-book-roman-old-style-figures.eot");
    src: url("et-book-roman-old-style-figures.eot?#iefix") format("embedded-opentype"), url("et-book-roman-old-style-figures.woff") format("woff"), url("et-book-roman-old-style-figures.ttf") format("truetype"), url("et-book-roman-old-style-figures.svg#etbookromanosf") format("svg");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* Tufte CSS styles */

.site-header {
    width: 100%;
}

/* Banner strip */
.banner {
    position: relative;
    background-color: #111; /* teal */
    text-align: center;
    padding: 0;
}

/* Banner image */
.banner img {
    height: 115px;
    vertical-align: middle;
}

/* Title */
.site-title {
    color: #fffff8;
    font-size: 1.8rem;
    margin: 0.5rem 0 0 0;
    font-weight: normal;
}


.nav {
    background-color: #111;
    padding: 0.75rem 2rem;
}

.nav a {
    margin-right: 2rem;
    text-decoration: none;
    color: #111;
    font-size: 1.5rem;
}

.nav a:hover {
    text-decoration: underline;
}



html {
    font-size: 15px;
}

body {
    width: 80%;
    margin-left: 0%;
    margin-right: 10%;
    padding-left: 5%;
    padding-right: 15%;
    font-family: et-book, Palatino, "Palatino Linotype", "Palatino LT STD", "Book Antiqua", Georgia, serif;
    background-color: #fffff8;
    color: #111;
    max-width: 1400px;
    counter-reset: sidenote-counter;
}

/* Adds dark mode */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #151515;
        color: #ddd;
    }
}

h1 {
    font-weight: 400;
    margin-top: 4rem;
    margin-bottom: 1.5rem;
    font-size: 3.2rem;
    line-height: 1;
}

h2 {
    font-style: italic;
    font-weight: 400;
    margin-top: 2.1rem;
    margin-bottom: 1.4rem;
    font-size: 2.2rem;
    line-height: 1;
}

h3 {
    font-style: italic;
    font-weight: 400;
    font-size: 1.7rem;
    margin-top: 2rem;
    margin-bottom: 1.4rem;
    line-height: 1;
}

hr {
    display: block;
    height: 1px;
    width: 55%;
    border: 0;
    border-top: 1px solid #ccc;
    margin: 1em 0;
    padding: 0;
}

p.subtitle {
    font-style: italic;
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-size: 1.8rem;
    display: block;
    line-height: 1;
}

.numeral {
    font-family: et-book-roman-old-style;
}

.danger {
    color: red;
}

article {
  max-width: 735px;
    margin: 0;
    padding: 0;
}



section {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

p,
dl,
ol,
ul {
    font-size: 1.4rem;
    line-height: 2rem;
}

p {
    margin-top: 1.4rem;
    margin-bottom: 1.4rem;
    padding-right: 0;
    vertical-align: baseline;
}

/* Chapter Epigraphs */
div.epigraph {
    margin: 5em 0;
}

div.epigraph > blockquote {
    margin-top: 3em;
    margin-bottom: 3em;
}

div.epigraph > blockquote,
div.epigraph > blockquote > p {
    font-style: italic;
}

div.epigraph > blockquote > footer {
    font-style: normal;
}

div.epigraph > blockquote > footer > cite {
    font-style: italic;
}
/* end chapter epigraphs styles */

blockquote {
    font-size: 1.4rem;
}

blockquote p {
    width: 55%;
    margin-right: 40px;
}

blockquote footer {
    width: 55%;
    font-size: 1.1rem;
    text-align: right;
}

section > p,
section > footer,
section > table {
    width: 55%;
}



/* Tufte Email Sign-up */ 


.signup-box {
  border: 1px solid rgba(255, 255, 248, 0.25);
  border-radius: 4px;
  padding: 1.4rem 1.6rem;
  margin: 3rem 0;
  background-color: rgba(255, 255, 248, 0.02);
}

.signup-title {
  font-style: italic;
    margin-top: 0;
  margin-bottom: 0.4rem;
  color: #fffff8;
}

.signup-box form {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.signup-box input[type="email"] {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 248, 0.4);
  color: #fffff8;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.2rem 0;
}


.signup-box input:-webkit-autofill,
.signup-box input:-webkit-autofill:hover,
.signup-box input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0px 1000px #111 inset;
  -webkit-text-fill-color: #fffff8;
  transition: background-color 5000s ease-in-out 0s;
}

.signup-box input::placeholder {
  color: rgba(255, 255, 248, 0.4);
}

.signup-box input:focus {
  outline: none;
  border-bottom: 1px solid #fffff8;
}

.signup-box button {
  background: none;
  border: none;
  color: #fffff8;
  font-family: inherit;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  opacity: 0.8;
}

.signup-box button:hover {
  opacity: 1;
}


/* --- */ 

.fine-print {
  font-size: 0.8rem;
  color: #666;
  margin-top: 0.5rem;
}

.fine-print a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted #999;
}

.fine-print a:hover {
  border-bottom-style: solid;
}


/* 50 + 5 == 55, to be the same width as paragraph */
section > dl,
section > ol,
section > ul {
    width: 50%;
    -webkit-padding-start: 5%;
}

dt:not(:first-child),
li:not(:first-child) {
    margin-top: 0.25rem;
}

figure {
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
    max-width: 55%;
    -webkit-margin-start: 0;
    -webkit-margin-end: 0;
    margin: 0 0 3em 0;
}

figcaption {
    float: right;
    clear: right;
    margin-top: 0;
    margin-bottom: 0;
    font-size: 1.1rem;
    line-height: 1.6;
    vertical-align: baseline;
    position: relative;
    max-width: 40%;
}

figure.fullwidth figcaption {
    margin-right: 24%;
}

a:link,
a:visited {
    color: inherit;
    text-underline-offset: 0.1em;
    text-decoration-thickness: 0.05em;
}

/* Sidenotes, margin notes, figures, captions */
img {
    max-width: 100%;
}

.sidenote,
.marginnote {
    float: right;
    clear: right;
    margin-right: -60%;
    width: 50%;
    margin-top: 0.3rem;
    margin-bottom: 0;
    font-size: 1.1rem;
    line-height: 1.3;
    vertical-align: baseline;
    position: relative;
}

.sidenote-number {
    counter-increment: sidenote-counter;
}

.sidenote-number:after,
.sidenote:before {
    font-family: et-book-roman-old-style;
    position: relative;
    vertical-align: baseline;
}

.sidenote-number:after {
    content: counter(sidenote-counter);
    font-size: 1rem;
    top: -0.5rem;
    left: 0.1rem;
}

.sidenote:before {
    content: counter(sidenote-counter) " ";
    font-size: 1rem;
    top: -0.5rem;
}

blockquote .sidenote,
blockquote .marginnote {
    margin-right: -82%;
    min-width: 59%;
    text-align: left;
}

div.fullwidth,
table.fullwidth {
    width: 100%;
}

div.table-wrapper {
    overflow-x: auto;
    font-family: "Trebuchet MS", "Gill Sans", "Gill Sans MT", sans-serif;
}

.sans {
    font-family: "Gill Sans", "Gill Sans MT", Calibri, sans-serif;
    letter-spacing: .03em;
}

code, pre > code {
    font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
    font-size: 1.0rem;
    line-height: 1.42;
    -webkit-text-size-adjust: 100%; /* Prevent adjustments of font size after orientation changes in iOS. See https://github.com/edwardtufte/tufte-css/issues/81#issuecomment-261953409 */
}

.sans > code {
    font-size: 1.2rem;
}

h1 > code,
h2 > code,
h3 > code {
    font-size: 0.80em;
}

.marginnote > code,
.sidenote > code {
    font-size: 1rem;
}

pre > code {
    font-size: 0.9rem;
    width: 52.5%;
    margin-left: 2.5%;
    overflow-x: auto;
    display: block;
}

pre.fullwidth > code {
    width: 90%;
}

.fullwidth {
    max-width: 90%;
    clear:both;
}

span.newthought {
    font-variant: small-caps;
    font-size: 1.2em;
}

input.margin-toggle {
    display: none;
}

label.sidenote-number {
    display: inline-block;
    max-height: 2rem; /* should be less than or equal to paragraph line-height */
}

label.margin-toggle:not(.sidenote-number) {
    display: none;
}

.iframe-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    padding-top: 25px;
    height: 0;
}

.iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

@media (max-width: 760px) {
    body {
        width: 84%;
        padding-left: 8%;
        padding-right: 8%;
    }

    hr,
    section > p,
    section > footer,
    section > table {
        width: 100%;
    }

    pre > code {
        width: 97%;
    }

    section > dl,
    section > ol,
    section > ul {
        width: 90%;
    }

    figure {
        max-width: 90%;
    }

    figcaption,
    figure.fullwidth figcaption {
        margin-right: 0%;
        max-width: none;
    }

    blockquote {
        margin-left: 1.5em;
        margin-right: 0em;
    }

    blockquote p,
    blockquote footer {
        width: 100%;
    }

    label.margin-toggle:not(.sidenote-number) {
        display: inline;
    }

    .sidenote,
    .marginnote {
        display: none;
    }

    .margin-toggle:checked + .sidenote,
    .margin-toggle:checked + .marginnote {
        display: block;
        float: left;
        left: 1rem;
        clear: both;
        width: 95%;
        margin: 1rem 2.5%;
        vertical-align: baseline;
        position: relative;
    }

    label {
        cursor: pointer;
    }

    div.table-wrapper,
    table {
        width: 85%;
    }

    img {
        width: 100%;
    }
}