:root {
  --font-sans: 'Avenir Next', serif;
  --font-serif: 'Vollkorn', sans-serif;
  --color-link: dodgerblue;
  --color-link-hover: #1560bd;
  --timing: cubic-bezier(.17,1.33,.95,.99);
}

body {
  margin: 0;
  font-family: var(--font-serif);
  background-color: dodgerblue;
  color: #444;
  background:
    radial-gradient( circle at top, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 50%),
    linear-gradient(to left, dodgerblue, deeppink);
  background-position: fixed;
  background-repeat: no-repeat;
}

@media (min-width: 40rem) {
  body {
    background:
      radial-gradient( circle at center, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%),
      linear-gradient(to left, dodgerblue, deeppink);
  }
}

nav {
  display: flex;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
}

h1:first-child,
h2:first-child,
h3:first-child,
h4:first-child,
h5:first-child,
h6:first-child {
  margin-top: 0;
}

p {
  margin: 0;
  font-size: 1.125rem;
}

.about > p {
  margin-bottom: 1.25em;
}

li {
  font-size: 1.125rem;
}

a:not([class]) {
  color: var(--color-link);
  transition: color 150ms var(--timing);
}

a:not([class]):hover {
  color: var(--color-link-hover);
}

#__next {
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
}

.main {
  margin: 5vmin auto;
  width: calc(100vw - 2rem);
  max-width: 50rem;
}

@media (min-width: 40rem) {
  .main {
    width: calc(100vw - 10vmin);
    margin: 0 auto;
    flex-grow: 2;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.nav-position {
  order: 2;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
  box-sizing: border-box;
}


.link {
  display: block;
  color: white;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.5rem 1rem;
  background-color: hsla(330,100%,0%,0.8);
  transition: background-color 250ms var(--timing);
}

.link:hover {
  background-color: var(--color-link);
  box-shadow: inset 0 0 0 1px var(--color-link-hover);
  text-shadow: 0 1px var(--color-link-hover);
}

.link:first-child {
  border-radius: 0.5rem 0 0 0.5rem;
}

.link:last-child {
  border-radius: 0 0.5rem 0.5rem 0;
}

.container {
  border-radius: 2.5vmin;
  background: linear-gradient(to bottom, #fafafa, #ededed) white;
  box-shadow:
    inset 0 1px white,
    inset 0 -1px rgba(255, 255, 255, 0.75),
    inset 0 0 2rem rgba(0,0,0,0.1),
    0 0 0.25rem  rgba(0,0,0,0.2),
    0 2rem 0.5rem -2rem rgba(0,0,0,0.3),
    0 3rem 2rem -1.5rem rgba(0,0,0,0.4);
  border: 1px solid #999;
  padding: 5vmin;
  margin: auto;
  animation: pop forwards 500ms var(--timing);
}

.citation-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(0,0,0,0.25);
  transition: color 250ms var(--timing), border-color 250ms var(--timing);
}

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

.question {
  font-size: 1.5rem;
  font-family: var(--font-serif);
  color: #444;
  text-shadow: 0 -1px white;
  letter-spacing: -0.025em;
}

.question-permalink {
  text-decoration: none;
  border-bottom: 1px solid rgba(0,0,0,0.25);
  transition: color 250ms var(--timing), border-color 250ms var(--timing);

  font-size: 0.75rem;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.125em;
  color: #777;
}

.question-permalink:hover {
  color: var(--color-link-hover);
  border-color: var(--color-link);
}

.question-footer {
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-between;
  align-content: center;
  align-items: center;
  margin-top: 4vmin;
}

.citation {
  font-size: 0.75rem;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.125em;
  color: #777;

  flex: 1 1 auto;
}

@media (min-width: 40rem) {
  .question {
    font-size: 4vmin;
  }

  .citation {
    font-size: 2vmin;
  }
}

@keyframes pop {
  from {
    transform: scale(0.8);
    opacity: 0;
    box-shadow:
      inset 0 1px white,
      inset 0 -1px rgba(255, 255, 255, 0.75),
      inset 0 0 2rem rgba(0,0,0,0.1),
      0 0 0.125rem  rgba(0,0,0,0.2),
      0 0 0.25rem -1.5rem rgba(0,0,0,0.3),
      0 0 1rem -1.25rem rgba(0,0,0,0.4);
  }
}