* { box-sizing: border-box; outline: 0; }
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  font-family: 'Roboto Mono', sans-serif;
  color: #eee;
  overflow-x: hidden;
}
html {
  background: #111111;
}

.content {
  opacity: 0;
  transition: opacity 0.2s cubic-bezier(0,1,1,1);
}
html.desktop .content, html.mobile .content {
  opacity: 1;
}

/* header */

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  z-index: 2;
  background: #1e1e1e;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 0 4px rgba(0,0,0,0.3);
}
header .slogan {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding-left: 56px;
  text-decoration: none;
}
header .logo {
  background-image: url(../img/megapixels_logo_white.svg);
  background-size: contain;
  background-repeat: no-repeat;
  margin-top: 7px;
  margin-right: 10px;
  width: 39px;
  height: 30px;
}
header .site_name {
  font-weight: bold;
  color: #fff;
}
header .sub {
  margin-left: 4px;
  margin-top: 2px;
  transition: color 0.1s cubic-bezier(0,0,1,1);
}
.sub {
  color: #666;
  font-size: 10pt;
}
.desktop header .slogan:hover .site_name {
  color: #fff;
}
.desktop header .slogan:hover .sub {
  color: #666;
}
header .links {
  display: flex;
  flex-direction: row;
  font-family: 'Roboto Mono', monospace;
}
header .links span,
header .links a {
  display: block;
  color: #777;
  text-decoration: none;
  text-transform: uppercase;
  margin-right: 32px;
  transition: color 0.1s cubic-bezier(0,0,1,1), border-color 0.1s cubic-bezier(0,0,1,1);
  border-bottom: 1px solid rgba(255,255,255,0);
  padding: 3px;
}
header .links a.active {
  color: #bbb;
}
.desktop header .links a:hover {
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,255);
}
.desktop header .links a.active:hover {
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,255);
}

/* footer */

footer {
  width: 100%;
  background: #000;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  color: #888;
  font-size: 9pt;
  padding: 20px 75px 20px;
}
footer > div {
  display: flex;
  flex-direction: row;
}
footer a {
  display: inline-block;
  color: #888;
  transition: color 0.2s cubic-bezier(0,0,1,1);
  margin-right: 5px;
}
footer a:hover {
  color: #ddd;
}

/* headings */

h1 {
  color: #ddd;
  font-weight: 300;
  font-size: 24pt;
  margin: 75px 0 10px;
  padding: 0;
  transition: color 0.2s cubic-bezier(0,0,1,1);
}
h2 {
  color: #ddd;
  font-weight: 400;
  font-size: 28pt;
  margin: 20px 0 10px;
  padding: 0;
  transition: color 0.2s cubic-bezier(0,0,1,1);
}
h3 {
  margin: 0 0 20px 0;
  padding: 0;
  font-size: 14pt;
  font-weight: 600;
  transition: color 0.2s cubic-bezier(0,0,1,1);
}
h4 {
  margin: 0 0 10px 0;
  padding: 0;
  font-size: 11pt;
  font-weight: 500;
  transition: color 0.2s cubic-bezier(0,0,1,1);
}
.content h3 a {
  color: #888;
  text-decoration: none;
}
.desktop .content h3 a:hover {
  color: #fff;
  text-decoration: underline;
}
.right-sidebar h3 {
  margin: 0;
  padding: 0 0 10px 0;
  font-family: 'Roboto Mono';
  text-transform: uppercase;
  letter-spacing: 2px;
}

th, .gray {
  font-family: 'Roboto Mono', monospace;
  font-weight: 400;
  text-transform: uppercase;
  color: #666;
}
th, .gray {
  font-size: 9pt;
}

/* content */

.content {
  padding-top: 70px;
  padding-bottom: 100px;
  min-height: calc(100vh - 55px);
  line-height: 1.5;
}
section {
  width: 960px;
  margin: 0 auto;
}
.home section {
  width: 960px;
}
.content .first_paragraph {
  font-weight: 300;
  font-size: 16pt;
  color: #ddd;
  margin-bottom: 20px;
  margin-top: 30px;
  line-height: 36px;
}
p {
  margin: 0 0 20px 0;
  line-height: 2;
}
.content a {
  color: #ddd;
  transition: color 0.2s cubic-bezier(0,0,1,1);
}
.content a:hover {
  color: #fff;
}

/* top of post metadata */

.meta {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: flex-start;
  font-size: 10pt;
  margin-bottom: 20px;
}
.meta > div {
  margin-right: 30px;
}
.meta .gray {
  font-size: 9pt;
  padding-bottom: 4px;
}
.right-sidebar {
  float: right;
  width: 240px;
  margin-left: 20px;
  padding-top: 10px;
  padding-left: 20px;
  border-left: 1px solid #444;
  font-family: 'Roboto';
  font-size: 14px;
}
.right-sidebar .meta {
  flex-direction: column;
}
.right-sidebar .meta > div {
  margin-bottom: 10px;
}
.right-sidebar ul {
  margin-bottom: 10px;
}

/* lists */

ul {
  list-style-type: none;
  margin: 0 0 30px 0;
  padding: 0;
}
ul li {
  margin-bottom: 8px;
}

/* misc formatting */

code {
  font-family: 'Roboto Mono', monospace;
  font-size: 9pt;
  padding: 2px 4px;
  background: rgba(255,255,255,0.1);
}
pre {
  margin: 0 0 40px 0;
  border: 1px solid #666;
  border-radius: 2px;
}
pre code {
  display: block;
  max-height: 400px;
  max-width: 960px;
  overflow: scroll;
  padding: 4px 10px;
}
table {
  margin-bottom: 40px;
}
hr {
  height: 1px;
  background: #888;
  border: 0;
  width: 80px;
}
blockquote {
  margin-left: 28px;
  padding: 0 0 0 10px;
  border-left: 2px solid #555;
}

/* footnotes */

.footnotes hr {
  display: none;
}
.footnotes ol:before {
  content: 'Footnotes';
  margin: 0 0 10px -40px;
  padding-bottom: 0;
  display: block;
  font-family: 'Roboto Mono', monospace;
  font-weight: 400;
  text-transform: uppercase;
  color: #666;
  font-size: 11pt;
}

/* images */

section img {
  max-width: 100%;
  display: block;
  margin: 0 auto;
}
section .image {
  margin-bottom: 40px;
}
section.images {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
}
.image:only-child {
  width: 100%;
}
.image:first-child {
  margin-left: 0;
}
.image:nth-child(2),
.image:nth-child(3) {
  margin-left: 40px;
}
.image:first-child:nth-last-child(2),
.image:first-child:nth-last-child(2) ~ .image {
  width: 300px;
}
.image:first-child:nth-last-child(3),
.image:first-child:nth-last-child(3) ~ .image {
  width: 186px;
}
section.wide {
  width: 960px;
}
section.wide .image {
  max-width: 960px;
}
section.fullwidth {
  width: 100%;
}
section.fullwidth .image {
  max-width: 100%;
}
.caption {
  text-align: left;
  font-size: 9pt;
  color: #bbb;
  max-width: 960px;
  margin: 10px auto 0 auto;
  font-family: 'Roboto';
}

/* blog index */

.research_index {
  margin-top: 40px;
}
.research_index a {
  text-decoration: none;
}
.research_index h1 {
  margin-top: 20px;
  text-decoration: underline;
}
.desktop .research_index section:hover h1 {
  color: #fff;
}
.research_index section:hover h2 {
  color: #ddd;
}

/* home page */

.hero {
  width: 100%;
  background: black; 
  background: linear-gradient(#000,#222);
  height: 50vw;
  max-height: 70vh;
}
.hero .inner {
  position: relative;
  width: 100%;
  max-width: 1200px;
  height: 100%;
  display: flex;
  align-items: center;
  margin: 0 auto;
}
#face_container {
  pointer-events: none;
  position: absolute;
  width: 66vw;
  height: 50vw;
  max-height: 70vh;
  top: 0;
  right: -16vw;
  z-index: 0;
  text-align: center;
  perspective: 500px;
  perspective-origin: 50% 80%;
}
.currentFace {
  position: absolute;
  bottom: 50px;
  width: 100%;
  left: 0;
  text-align: center;
  font-size: 26px;
}
.intro {
  max-width: 960px;
  padding: 75px 0 75px 10px;
  z-index: 1;
}
.intro .headline {
  font-family: 'Roboto Mono', monospace;
  font-size: 24pt;
  line-height: 40pt;
}
.intro .buttons {
  margin: 40px 0;
}
.intro button {
  font-family: 'Roboto', sans-serif;
  padding: 15px 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 12pt;
  margin-right: 10px;
  transition: color 0.1s cubic-bezier(0,0,1,1), background-color 0.1s cubic-bezier(0,0,1,1);
}
.intro button.normal {
  background: #191919;
  border-color: #444;
  color: #ddd;
}
.intro button.important {
  background: #444;
  border-color: #444;
  color: #ddd;
}
.desktop .intro button:hover {
  background: #666;
  border-color: #666;
  color: #fff;
}
.intro .under {
  font-size: 12px;
  color: #888;
}
.intro .under a {
  color: #bbb;
}
.desktop .intro .under a:hover {
  color: #fff;
}
.dataset-intro h2 {
  margin-top: 40px;
}
.content .dataset-intro .first_paragraph {
  margin-top: 10px;
}

/* intro - list of datasets */

.dataset-list {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}
.dataset-list a {
  text-decoration: none;
  transition: background-color 0.1s cubic-bezier(0,0,1,1);
  background: black;
  margin: 0 20px 20px 0;
}
.dataset-list .dataset {
  width: 220px;
  height: 140px;
  padding: 10px;
  color: white;
}
.dataset-list a:nth-child(3n+1) { background-color: rgba(255, 0, 0, 0.1); }
.desktop .dataset-list a:nth-child(3n+1):hover { background-color: rgba(255, 0, 0, 0.2); }

.dataset-list a:nth-child(3n+2) { background-color: rgba(255, 128, 0, 0.1); }
.desktop .dataset-list a:nth-child(3n+2):hover { background-color: rgba(255, 128, 0, 0.2); }

.dataset-list a:nth-child(3n+3) { background-color: rgba(255, 255, 0, 0.1); }
.desktop .dataset-list .dataset:nth-child(3n+3):hover { background-color: rgba(255, 255, 0, 0.2); }


/* intro section for datasets */

section.intro_section {
  font-family: 'Roboto Mono';
  width: 100%;
  background-size: cover;
  background-position: bottom left;
  padding: 50px 0;
  min-height: 60vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #111111;
}
.intro_section .inner {
  max-width: 960px;
  margin: 0 auto;
}
.intro_section .hero_desc {
  font-size: 38px;
  line-height: 60px;
  margin-bottom: 30px;
  color: #fff;
}
.intro_section .hero_subdesc {
  font-size: 18px;
  line-height: 36px;
  max-width: 640px;
  color: #ddd;
}
.intro_section span {
  box-shadow: -10px -10px #000, 10px -10px #000, 10px 10px #000, -10px 10px #000;
  background: #000;
}