/* Geodynamics Liberation Front
   After the original 2016 site: a full-screen picture of the day, a menu that
   appears when you scroll, dark translucent panels, Quicksand and Roboto. */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #111111;
  --text: #cccccc;
  --text-bright: #dddddd;
  --panel: rgba(0, 0, 0, 0.75);
  --rule: #333333;
  --display: Quicksand, 'Trebuchet MS', sans-serif;
  --body: Roboto, 'Helvetica Neue', Arial, sans-serif;
}

html {
  -webkit-text-size-adjust: 100%;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-weight: 300;
  font-size: 14pt;
  line-height: 1.45;
  min-height: 100vh;
}
a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(204, 204, 204, 0.6);
}
a:hover {
  border-bottom-color: #ffffff;
  color: #ffffff;
}
:focus-visible {
  outline: 1px dashed #ffffff;
  outline-offset: 3px;
}
h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.15;
}
p {
  margin-bottom: 14pt;
}
code {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.9em;
}

/* Menu */
.menu {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  height: 2.6rem;
  line-height: 2.6rem;
  color: #ffffff;
  background: #000000;
  font-family: var(--body);
  font-weight: 400;
  font-size: 14pt;
  transition: opacity 1s;
}
.menu ul {
  list-style: none;
  white-space: nowrap;
  display: inline-block;
}
.menu li {
  display: inline-block;
  margin: 0 1em;
}
.menu a {
  border-bottom: 1px solid transparent;
}
.menu a:hover,
.menu a[aria-current='page'] {
  border-bottom: 1px dashed #ffffff;
  color: #ffffff;
}
.home .menu {
  opacity: 0;
}
.home .menu.is-visible {
  opacity: 1;
}
.home .menu:focus-within {
  opacity: 1;
}

/* Home: the picture of the day */
.bgimage-container {
  position: fixed;
  inset: 0;
  z-index: -1000;
}
.bgimage {
  max-width: 100vw;
  max-height: 100vh;
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.6s;
}
.bgimage[src=''],
.bgimage:not([src]) {
  opacity: 0;
}

.text-container {
  padding: 0 20%;
}
.text-padding {
  height: 100vh;
}
.fade-in {
  height: 10vh;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, var(--panel) 100%);
}
.fade-out {
  height: 10vh;
  background: linear-gradient(to bottom, var(--panel) 0%, rgba(0, 0, 0, 0) 100%);
}
.text-body {
  padding: 20px;
  color: var(--text-bright);
  background: var(--panel);
}
.text-body p {
  text-indent: 3em;
  margin-bottom: 1ex;
}
.text-body p.plain,
.text-body li {
  text-indent: 0;
}
.wordmark {
  font-size: 28pt;
  margin-bottom: 0.6em;
  letter-spacing: 0.01em;
}
.text-body h2 {
  font-size: 16pt;
  margin: 1.2em 0 0.4em;
}
.latest {
  list-style: none;
}
.latest li {
  margin-bottom: 0.6ex;
}
.latest a.name {
  font-family: var(--display);
  font-weight: 700;
}
.latest .summary {
  color: var(--text);
}
.text-body .more {
  text-align: center;
  margin-top: 1em;
}

/* Picture credit, bottom right */
.pod {
  position: fixed;
  right: 0;
  bottom: 0;
  margin: 0 0 3px 0;
  display: flex;
  align-items: flex-end;
  flex-direction: row-reverse;
  z-index: 5;
}
.info_icon {
  color: var(--text-bright);
  font-family: var(--display);
  font-size: 14pt;
  font-weight: 700;
  padding: 0 5px;
  margin: 5px;
  border: 1px solid var(--text-bright);
  border-radius: 5px;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.35);
  line-height: 1.5;
}
.author_info {
  font-family: var(--display);
  font-size: 8pt;
  color: var(--text-bright);
  padding: 5px;
  margin-bottom: 5px;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.5s;
  max-width: 60vw;
}
.author_info a {
  color: var(--text-bright);
  border-bottom-color: rgba(221, 221, 221, 0.5);
}
.author_info .button {
  cursor: pointer;
  margin-left: 0.6em;
  font-weight: 700;
  border: 0;
}
.pod:hover .author_info,
.pod.is-open .author_info,
.author_info:focus-within {
  opacity: 1;
}
.pod.is-hidden {
  display: none;
}

/* Dark content pages: about and projects */
.page {
  padding: 4rem 10px 3rem;
}
.page main {
  width: 70%;
  min-width: 250px;
  max-width: 900px;
  margin: 20px auto;
}
.page h1 {
  font-size: 28pt;
  margin-bottom: 0.6em;
}
.page h2 {
  font-size: 16pt;
  margin: 1.4em 0 0.4em;
}
.page ul {
  margin-left: 1.2em;
}
.page li {
  margin-bottom: 0.4ex;
}
.page .links a {
  font-family: var(--display);
  font-weight: 700;
}
.site-footer {
  text-align: center;
  font-family: var(--display);
  font-size: 9pt;
  color: #888888;
  padding: 2rem 10px;
}
.site-footer a {
  margin: 0 0.6em;
  border-bottom-color: #555555;
}

/* Projects */
.catalog #intro {
  width: 70%;
  min-width: 250px;
  margin: 20px auto;
  text-align: center;
}
.tag-filters {
  text-align: center;
  margin: 0 auto 20px;
  font-family: var(--display);
  font-size: 11pt;
}
.tag-filter {
  display: inline-block;
  margin: 3px;
  padding: 1px 10px;
  border: 1px solid var(--rule);
  border-radius: 5px;
  color: var(--text);
  background: transparent;
  font: inherit;
  cursor: pointer;
}
.tag-filter:hover {
  border-color: var(--text);
  color: #ffffff;
}
.tag-filter.is-active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.tag-count {
  margin-left: 0.4em;
  opacity: 0.6;
}
.rows {
  text-align: center;
}
.thumbnail {
  width: 250px;
  display: inline-block;
  vertical-align: top;
  margin: 5px 5px 20px;
  text-align: center;
  font-family: var(--display);
  font-weight: 700;
}
.thumbnail.is-hidden {
  display: none;
}
img.thumbnail {
  width: 240px;
  height: 142px;
  object-fit: cover;
  display: block;
  margin: 4px auto;
  cursor: pointer;
  border: 1px solid var(--rule);
  background: #000;
}
.thumbnail .icons a {
  border: 0;
  margin: 0 4px;
  display: inline-block;
}
.thumbnail .icons img {
  height: 14pt;
  vertical-align: sub;
}
.thumbnail .tags {
  font-weight: 400;
  font-size: 9pt;
  color: #888888;
  margin-top: 2px;
}
.thumbnail .tags a {
  border: 0;
  margin: 0 0.3em;
}
.thumbnail .tags a:hover {
  color: #ffffff;
}
.description {
  display: none;
  text-align: left;
  font-family: var(--body);
  font-weight: 300;
  padding: 10px 20px 0;
  max-width: 900px;
  margin: 0 auto;
}
.description .built {
  font-family: var(--display);
  font-size: 9pt;
  color: #888888;
}
.thumbnail.selected {
  width: 100%;
  display: block;
}
.thumbnail.selected .description {
  display: block;
}
.entries-empty {
  text-align: center;
  color: #888888;
  padding: 2rem;
}

@media (max-width: 700px) {
  body {
    font-size: 12pt;
  }
  .text-container {
    padding: 0 6%;
  }
  .page main {
    width: auto;
  }
  .menu li {
    margin: 0 0.6em;
  }
}
@media (prefers-reduced-motion: reduce) {
  .menu,
  .author_info,
  .bgimage {
    transition: none;
  }
}