/* Typography and colors for main elements */
/*****************************************************************************/
:root {
  /* Colors */
  --color-dark: #080f15;
  --color-medium: #0d1823;
  --color-light: #f5f5f5;
  --color-primary: #52a3ff;
  --color-secondary: #b1d6ff;
  --color-note: var(--color-primary);
  --color-info: #ffc107;
  --color-warning: #dc3545;
  --color-neon: #459cff88;
  --color-primary-muted: #459cff33;

  /* Type scale calculated using https://utopia.fyi/type/calculator */
  --size--1: clamp(0.94rem, calc(0.90rem + 0.18vw), 1.04rem);
  --size-0: clamp(1.13rem, calc(1.08rem + 0.22vw), 1.25rem);
  --size-1: clamp(1.41rem, calc(1.35rem + 0.27vw), 1.56rem);
  --size-2: clamp(1.76rem, calc(1.69rem + 0.34vw), 1.95rem);
  --size-3: clamp(2.20rem, calc(2.11rem + 0.42vw), 2.44rem);
  --size-4: clamp(2.75rem, calc(2.64rem + 0.53vw), 3.05rem);
  --size-5: clamp(3.43rem, calc(3.30rem + 0.66vw), 3.82rem);

  /* Space scale calculated using https://utopia.fyi/space/calculator/?c=320,18,1.2,1920,20,1.25,5,2,&s=0.75|0.5|0.25,1.5|2|3|4|6|9|12,s-l&g=s,l,xl,12 */
  --space-3xs: clamp(0.31rem, calc(0.31rem + 0.00vw), 0.31rem);
  --space-2xs: clamp(0.56rem, calc(0.54rem + 0.10vw), 0.63rem);
  --space-xs: clamp(0.88rem, calc(0.85rem + 0.10vw), 0.94rem);
  --space-s: clamp(1.13rem, calc(1.08rem + 0.21vw), 1.25rem);
  --space-m: clamp(1.69rem, calc(1.63rem + 0.31vw), 1.88rem);
  --space-l: clamp(2.25rem, calc(2.17rem + 0.42vw), 2.50rem);
  --space-xl: clamp(3.38rem, calc(3.25rem + 0.63vw), 3.75rem);
  --space-2xl: clamp(4.50rem, calc(4.33rem + 0.83vw), 5.00rem);
  --space-3xl: clamp(6.75rem, calc(6.50rem + 1.25vw), 7.50rem);
  --space-4xl: clamp(10.13rem, calc(9.75rem + 1.88vw), 11.25rem);
  --space-5xl: clamp(13.5rem, calc(13.2rem + 1.5vw), 15rem);

  /* Spaces and other sizes */
  --gutter: var(--space-s);
  --block-border: 0.2em;
}

body {
  background: var(--color-dark);
  color: var(--color-light);
  font-family: "Atkinson Hyperlegible Next", sans-serif;
  font-size: var(--size-0);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
}

a:hover {
  color: var(--color-secondary);
}

h1,
h2,
h3 {
  font-weight: 800;
  line-height: 1.1;
}

h1 {
  font-size: var(--size-4);
}

h2 {
  font-size: var(--size-3);
  border-bottom: 2px solid var(--color-primary-muted);
}

h3 {
  font-size: var(--size-1);
}

hr {
  height: 2px;
  color: var(--color-primary-muted);
  opacity: 1;
  height: 2px;
}

blockquote {
  border-left: var(--block-border) solid var(--color-secondary);
  color: var(--color-secondary);
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

code {
  font-family: "Atkinson Hyperlegible Mono", monospace;
  line-height: 1;
  background-color: var(--color-medium);
  border-radius: 0.25em;
  padding: 0.1em 0.25em;
}

pre {
  font-family: "Atkinson Hyperlegible Mono", monospace;
  border-radius: 0.25em;
  overflow: auto;
  display: block;
  padding: var(--gutter);
  overflow: auto;
}

pre > code {
  padding: 0;
}

img {
  width: 100%;
}

figcaption {
  font-size: var(--size--1);
  color: var(--color-secondary);
  text-align: center;
  margin-top: 1em;
  line-height: 1.25;
}

footer {
  color: var(--color-secondary);
  box-shadow: 0 1em 5em var(--color-neon);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

footer nav a {
  color: var(--color-secondary);
}

header {
  padding-top: var(--gutter);
  padding-bottom: var(--gutter);
}

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

table {
  border-collapse: collapse;
  width: 100%;
}

table th, table td {
  padding: 0.25em 0.5em;
}

table thead {
  border-bottom: 2px solid var(--color-primary);
}

table tr:nth-child(2n) {
  background-color: var(--color-medium);
}

time {
  display: block;
}

details {
  font-size: var(--size--1);
}

iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
}

details summary {
  color: var(--color-secondary);
  cursor: pointer;
}


/* Flow and rythm */
/* From https://piccalil.li/blog/flow-utility/ */
/*****************************************************************************/
.flow > * + * {
  margin-block-start: var(--flow-space, 1em);
}

.flow-small > * + * {
  --flow-space: 0.5em;
}

:is(h1, h2, h3, blockquote, hr) {
  --flow-space: 1.5em;
}

hr {
  --flow-space: 2em;
}

:is(ul, ol) {
  --flow-space: 1em;
}

/* Flow elements inside blockquotes and callouts automatically */
blockquote > * + *, .callout > * + * {
  margin-block-start: 0.5em;
}

footer section {
  --flow-space: var(--space-xl);
}

footer section > * + * {
  --flow-space: 0.5em;
}

.banner-text > * + * {
  --flow-space: 1.5em;
}


/* Blocks */
/*****************************************************************************/
.content {
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.content-wide {
  max-width: 90ch;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.callout {
  border-left: var(--block-border) solid var(--color-info);
  background-color: var(--color-medium);
  padding: var(--gutter);
}

.callout-warning {
  border-color: var(--color-warning);
}

.callout-note {
  border-color: var(--color-note);
}

.blockquote-footer {
  text-align: right;
  font-size: var(--size--1);
  color: var(--color-secondary);
  --flow-space: 0.5em;
}

.blockquote-footer::before {
  content: "— ";
}

.banner {
  position: relative;
  background-size: cover;
  z-index: 1;
  width: 100%;
  box-shadow: inset 0px 30px 15px -15px rgba(0, 0, 0, 0.30), inset 0px -30px 15px -15px rgba(0, 0, 0, 0.30);
}

.banner-overlay {
  position: absolute;
  z-index: 2;
  height: 100%;
  width: 100%;
}

.banner-text {
  z-index: 3;
  position: relative;
  padding-top: var(--space-5xl);
  padding-bottom: var(--space-5xl);
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  font-size: var(--size-1);
  text-align: center;
  max-width: 55ch;
  margin: 0 auto;
}

.banner-text h1 {
  font-size: var(--size-5);
}

.social-links a {
  color: var(--color-secondary);
}

.social-links a:hover {
  color: var(--color-primary);
}

.details-body {
  border: 2px solid var(--color-neon);
  border-radius: 5px;
  padding: var(--space-2xs);
  background-color: var(--color-medium);
}

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gutter);
}


/* Utilities */
/*****************************************************************************/
.text-muted {
  color: var(--color-secondary);
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.text-center {
  text-align: center;
}

.font-small {
  font-size: var(--size--1);
}

.font-regular {
  font-size: var(--size-0);
}

.font-large {
  font-size: var(--size-1);
}

.font-bold {
  font-weight: bold;
}

.list-inline {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: var(--gutter);
  padding-left: 0;
  line-height: 1;
}

.list-nested {
  counter-reset: index;
  list-style-type: none;
}

.list-nested li::before {
  counter-increment: index;
  content: counters(index, ".", decimal) ". ";
}

.spread {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--gutter);
  justify-content: space-between;
}

.button-link {
  border: 2px solid var(--color-neon);
  border-radius: 20px;
  padding: var(--space-3xs) var(--space-xs);
  background-color: var(--color-medium);
  text-decoration: none;
  display: inline-block;
}

.button-link:hover {
  border-color: var(--color-info);
}

.margin-top-2xl {
  margin-top: var(--space-2xl);
}

.margin-top-4xl {
  margin-top: var(--space-4xl);
}

.underline-links a {
  text-decoration: none;
  display: block;
  border-bottom: 2px solid transparent;
}

.underline-links a:hover {
  text-decoration: none;
  border-bottom: 2px solid var(--color-secondary);
}

.underline-links a.active {
  border-bottom: 2px solid var(--color-secondary);
  text-decoration: none;
}


/* Specific classes and IDs */
/*****************************************************************************/
.authors-me {
  text-decoration: underline;
}

.jupyter-notebook img {
  background-color: white;
}