.project-page {
  scroll-padding-top: 160px;
}

.project-section-nav {
  position: sticky;
  top: 68px;
  z-index: 16;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 12, 14, 0.96);
  backdrop-filter: blur(16px);
}

.project-section-nav > .container {
  min-height: 82px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding-top: .7rem;
  padding-bottom: .7rem;
}

.project-section-nav-heading {
  min-width: 112px;
}

.project-section-nav-heading .section-kicker {
  display: block;
  margin: 0;
  color: var(--text);
}

.project-section-nav-hint {
  display: block;
  margin-top: .15rem;
  color: var(--muted);
  font-size: .74rem;
  white-space: nowrap;
}

.project-section-links {
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  padding: .2rem 0 .35rem;
}

.project-section-links a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .42rem;
  padding: .48rem .62rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: .79rem;
  line-height: 1;
  white-space: nowrap;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.project-section-links a span {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .68rem;
}

.project-section-links a:hover,
.project-section-links a:focus-visible {
  border-color: var(--text);
  color: var(--text);
  background: var(--surface-2);
  outline: none;
}

.project-quick-links {
  display: flex;
  flex-direction: column;
  gap: .18rem;
  min-width: 168px;
  font-size: .76rem;
}

.project-quick-links a {
  color: var(--muted);
}

.project-quick-links a:hover,
.project-quick-links a:focus-visible {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: .2em;
  outline: none;
}

.project-section {
  scroll-margin-top: 150px;
}

.project-section:target {
  box-shadow: inset 3px 0 0 var(--text);
}

.section-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.section-title-row h2 {
  margin-bottom: 0;
}

.section-title-row .section-kicker {
  margin-top: 0;
}

.back-to-index {
  flex: 0 0 auto;
  margin-top: .15rem;
  padding: .4rem .55rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .72rem;
  white-space: nowrap;
}

.back-to-index:hover,
.back-to-index:focus-visible {
  border-color: var(--text);
  color: var(--text);
  outline: none;
}

.page-end-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .8rem 1.5rem;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-end-nav a {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .78rem;
}

.page-end-nav a:hover,
.page-end-nav a:focus-visible {
  color: var(--text);
  outline: none;
}

@media (max-width: 1120px) {
  .project-section-nav > .container {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .project-quick-links {
    display: none;
  }
}

@media (max-width: 760px) {
  .project-page {
    scroll-padding-top: 24px;
  }

  .project-section-nav {
    position: static;
    backdrop-filter: none;
    background: var(--surface);
  }

  .project-section-nav > .container {
    display: block;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
  }

  .project-section-nav-heading {
    margin-bottom: .85rem;
  }

  .project-section-nav-hint {
    white-space: normal;
  }

  .project-section-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
    gap: .45rem;
    padding: 0;
  }

  .project-section-links a {
    min-width: 0;
    white-space: normal;
    line-height: 1.2;
  }

  .project-quick-links {
    display: flex;
    margin-top: 1rem;
    padding-top: .8rem;
    border-top: 1px solid var(--line);
  }

  .project-section {
    scroll-margin-top: 20px;
  }

  .section-title-row {
    display: block;
  }

  .back-to-index {
    display: inline-block;
    margin-top: .15rem;
    margin-bottom: 1.1rem;
  }
}

@media (max-width: 430px) {
  .project-section-links {
    grid-template-columns: 1fr;
  }
}