/* Header, main content area and footer */

/* ---------- Header ---------- */

#header {
  display: flex;
  align-items: flex-start;
  width: 100%;
  margin: 0 auto;
  padding-top: var(--section-gap);
}

#header #logo {
  flex: 0 0 50px;
  width: 50px;
  height: 50px;
  margin-right: 2rem;
  border-radius: var(--radius-md);
  background: var(--color-code-bg);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: .05em;
}

#header #logo:hover {
  color: var(--color-hover);
}

#header h1 {
  font-size: 1.5rem;
  line-height: 2rem;
  color: var(--color-text);
  letter-spacing: .01em;
}

#header #nav {
  color: var(--color-accent);
  font-size: .8rem;
  font-weight: 200;
  letter-spacing: .01em;
}

#header #nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  line-height: 15px;
}

#header #nav ul li {
  display: inline-block;
  margin: 0 15px 0 0;
  padding-right: 15px;
  border-right: 1px dotted var(--color-accent);
}

#header #nav ul li:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}

#header #nav ul a:hover {
  color: var(--color-text);
  background-image: linear-gradient(transparent, transparent 5px, var(--color-accent) 5px, var(--color-accent));
  background-position: bottom;
  background-repeat: repeat-x;
  background-size: 100% 5px;
}

@media (max-width: 480px) {
  #header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  #header #logo {
    margin: 0 0 1rem;
  }

  #header #nav ul li {
    margin-right: 8px;
    padding-right: 8px;
  }
}

/* ---------- Content ---------- */

.content {
  display: flex;
  flex-direction: column;
  overflow-wrap: break-word;
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
  position: relative;
}

.content section {
  margin-bottom: 2.5rem;
  max-width: var(--content-width);
}

.content section > h2 {
  position: relative;
  margin-bottom: .75rem;
}

.content section > h2::before {
  content: "#";
  position: absolute;
  left: -1rem;
  color: var(--color-accent);
}

/* ---------- Footer ---------- */

#footer {
  color: var(--color-muted);
  font-size: .8rem;
  padding: 2rem 0 var(--section-gap);
  border-top: thin solid var(--color-dim);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

#footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

#footer ul li {
  display: inline-block;
  margin-left: 1rem;
}

#footer a {
  color: var(--color-muted);
}

#footer a:hover {
  color: var(--color-hover);
}