* {
  font-family: sans-serif;
}

body {
  background-color: #373366;
  color: #eef;
  margin: 0;
}

a:link,
a:visited {
  color: #bbf;
}

a:hover,
a:active {
  color: #eef;
}

#main-nav {
  display: block;
  padding: 0;
}

#main-nav > ol {
  display: flex;
  flex-flow: wrap;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

#main-nav > ol > li {
  flex-grow: 1;
  font-size: 1.2rem;
  text-align: center;
  border: solid #262255 1px;
}

#main-nav > ol > li#active-main-nav-tab {
  border-bottom: none;
  padding: 1rem 0;
}

#main-nav > ol > li > a {
  text-decoration: none;
  display: block;
  width: 100%;
  background-color: #151144;
  padding: 1rem 0;
}

#main-nav > ol > li > a:hover {
  text-decoration: underline;
}

#sub-nav {
  white-space: nowrap;
  position: relative;
}

#sub-nav > ol {
  overflow-x: scroll;
  scrollbar-width: thin;
  padding: .75rem 0;
  font-size: 0;
}

#sub-nav > ol > li {
  display: inline-block;
  font-size: 1rem;
  background-color: #000;
  margin: 0 .1rem;
  border-radius: 8px;
  border-top: solid rgba(255, 255, 255, 0.15) 1px;
}

#sub-nav > ol > li.active {
  background-color: transparent;
  border: none;
  cursor: default;
  padding: 1.2rem 1rem;
}

#sub-nav > ol > li > a {
  display: inline-block;
  text-decoration: none;
  padding: 1.2rem 1rem;
}

#sub-nav > ol > li > a:hover {
  text-decoration: underline;
}

main > * {
  padding: 1rem;
}

main.home > h1,
main.project > h1,
main.ideas > h1,
main.contact > h1 {
  visibility: hidden;
  margin: 0;
  padding: 0;
  line-height: 0;
}

main > h1,
main > section > h2 {
  font-size: 1.4rem;
  font-weight: normal;
  line-height: 1.4rem;
  background-color: rgba(0, 0, 0, 0.1);
  padding: 1rem;
  border: solid 1px #222;
}

main > section {
  padding: 0 0 2rem 0;
}

main > section > * {
  padding: 0 1rem;
}

main > section .picture-wrapper {
  width: calc(100% - 2rem);
  border-radius: 8px;
}

main > section > .collection > .item .picture-wrapper {
  width: 100%;
}

main > section .picture-wrapper > picture {
  border-radius: 8px;
  animation-name: fade-picture-placeholder;
  animation-duration: 2s;
}

@keyframes fade-picture-placeholder {
  0% { background-color: rgba(0, 0, 0, 0.25); }
  100% { background-color: rgba(0, 0, 0, 0); }
}

main > section .picture-wrapper > picture > img {
  border-radius: 8px;
}

main > section > h3 {
  font-size: 1.1rem;
  font-weight: normal;
  padding: 0 1rem 0.5rem 1rem;
}

main > section > ol {
  list-style: none;
}

main > section > .collection {
  display: flex;
  flex-flow: column;
  padding: 0 0 2rem 0;
}

main > section > .collection > .item {
  padding: 3vw;
}

main > section > .collection > .item > h2 {
  font-size: 1.4rem;
  font-weight: normal;
  line-height: 1.4rem;
}

main > section > .collection > .item > h3 {
  font-size: 1rem;
  font-weight: normal;
  margin-bottom: .4rem;
}

main > section > .collection > .item > h4 {
  font-size: 1rem;
  font-weight: normal;
  line-height: 1.2rem;
  font-style: italic;
  margin: 0 0 0.7rem 0;
  opacity: 0.8;
}

main.ideas > section > .collection {
  padding: 0;
}

main.ideas > section > .collection > .item > h4 {
  font-size: 1.3rem;
  font-style: normal;
  line-height: 1.5rem;
  margin: 0;
  padding: .5rem 0;
}

main > section > .collection > .item > video {
  border-radius: 8px;
  width: 100%;
}

main > section a.tag {
  display: inline-block;
  text-decoration: none;
  padding: 0.75rem;
  background-color: rgba(128, 128, 128, 0.1);
  color: #ccf;
  border-radius: 8px;
  margin-top: 0.5rem;
}

main.home > section a.tag {
  display: none;
}

main > section a.tag:hover {
  text-decoration: underline;
}

.footer {
  font-size: .8rem;
  padding: 1rem;
  margin-top: 5rem;
  border-top: solid 1px #888;
  text-align: center;
}

/* Mobile fix: tap targets are not sized appropriately */
ol.links > li > a {
  display: inline-block;
  padding: 1rem 0;
}

@media screen and (min-width: 1024px) {
  header {
    border-bottom: solid #888 1px;
  }

  #main-nav {
    display: block;
  }

  #main-nav > ol {
    display: block;
  }

  #main-nav > ol > li,
  #main-nav > ol > li#active-main-nav-tab {
    padding: 1rem 0 1rem 4rem;
    font-size: 1.2rem;
    text-align: left;
    border: none;
    display: inline-block;
  }

  #main-nav > ol > li > a {
    background-color: transparent;
  }

  #sub-nav > ol {
    scrollbar-width: auto;
    padding-top: 0;
  }

  main > section .picture-wrapper {
    width: min(33vw, 1024px);
    max-width: 1024px;
  }

  main > section > .collection {
    flex-flow: row wrap;
    justify-content: space-between;
    padding: 0 3rem 2rem 3rem;
  }

  main.ideas > section > .collection {
    padding: 0 1rem;
  }

  main > section > .collection > .item {
    width: 25vw;
    padding: 1rem;
  }

  main > section > .collection > .item.wide {
    width: 100%;
  }

  ol.links > li > a {
    display: inline-block;
    padding: .2rem 0;
  }

  main > section a.tag {
    background-color: transparent;
    padding: 0 0.25rem;
    margin-top: 0;
  }

  main > section a.tag:first-child {
    padding-left: 0;
  }

  main.home > section a.tag {
    display: inline-block;
  }
}