:root {
  --text: #515151;
  --heading: #303030;
  --muted: #9a9a9a;
  --border: #eee;
  --brand: #542cb7;
}

@font-face { font-family: Fraunces; src: url(/public/Fraunces--latin_basic.woff2); unicode-range: U+0000-00FF; }
@font-face { font-family: Fraunces; src: url(/public/Fraunces--latin_ext.woff2); unicode-range: U+0100-024F; }

*, ::before, ::after {
  box-sizing: border-box;
}

html {
  font: 16px/1.5 system-ui, sans-serif;
  text-size-adjust: 100%;

  @media (min-width: 38em) { font-size: 20px; }
  @media (min-width: 48em) { font-size: 16px; }
  @media (min-width: 58em) { font-size: 20px; }
}

body {
  margin: 0;
  color: var(--text);
  background: #fff;
}

a {
  color: var(--brand);
  text-decoration: none;

  &:hover, &:focus-visible { text-decoration: underline; }
}

h1, h2, h3, h4 {
  margin-bottom: .5rem;
  line-height: 1.25;
  color: var(--heading);
  text-wrap: balance;
}
h1 { font-size: 2rem; }
h2 { margin-top: 1rem; font-size: 1.5rem; }
h3 { margin-top: 1.5rem; font-size: 1.25rem; }
h4 { margin-top: 1rem; font-size: 1rem; }

p, ul, ol {
  margin-block: 0 1rem;
}

strong {
  color: var(--heading);
}

hr {
  margin: 1.5rem 0;
  border: 0;
  border-top: 1px solid var(--border);
}

code {
  padding: .25em .5em;
  font: 85% Menlo, Monaco, monospace;
  color: #bf616a;
  background: #f9f9f9;
  border-radius: 3px;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 0 1rem;
  border-radius: 5px;
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
}

.container {
  max-width: 38rem;
  padding-inline: 1rem;
  margin-inline: auto;
}

.sidebar {
  padding: 2rem 1rem;
  text-align: center;
  color: rgb(255 255 255 / .5);
  background: var(--brand);

  a { color: #fff; }

  h1 {
    margin-top: 0;
    font: 2rem Fraunces, serif;
  }

  @media (min-width: 48em) {
    position: fixed;
    inset: 0 auto 0 0;
    width: 18rem;
    text-align: left;
  }
}

.sidebar-sticky {
  @media (min-width: 48em) {
    position: absolute;
    inset: auto 1rem 1rem;
  }
}

.sidebar-nav {
  margin-bottom: 1rem;
}
.sidebar-nav-item {
  display: block;
  line-height: 1.75;

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

.content {
  padding-block: 4rem;

  @media (min-width: 48em) {
    max-width: 38rem;
    margin-inline: 20rem 2rem;
  }
  @media (min-width: 64em) {
    margin-inline: 22rem 4rem;
  }
}

.page, .post {
  margin-bottom: 4em;
}
.page-title, .post-title {
  margin-top: 0;
}

.post-date {
  display: block;
  margin-block: -.5rem 1rem;
  color: var(--muted);
}

.related {
  padding-block: 2rem;
  border-top: 1px solid var(--border);
}
.related-posts {
  padding-left: 0;
  list-style: none;

  h3 { margin-top: 0; }
  small { font-size: 75%; color: var(--muted); }
  a:hover { text-decoration: none; }
  a:hover small { color: inherit; }
}