:root {
  --filark-surface: color-mix(in srgb, var(--color-background-primary) 92%, var(--color-brand-primary) 8%);
  --filark-surface-strong: color-mix(in srgb, var(--color-background-primary) 84%, var(--color-brand-primary) 16%);
  --filark-border: color-mix(in srgb, var(--color-foreground-muted) 24%, transparent);
  --filark-accent-green: #17845b;
  --filark-accent-amber: #9a6200;
}

body[data-theme="dark"] {
  --filark-accent-green: #63c69a;
  --filark-accent-amber: #e1ad4f;
}

@media (prefers-color-scheme: dark) {
  body:not([data-theme="light"]) {
    --filark-accent-green: #63c69a;
    --filark-accent-amber: #e1ad4f;
  }
}

.content {
  line-height: 1.68;
}

.content h1,
.content h2,
.content h3 {
  letter-spacing: 0;
}

.content h1 {
  margin-bottom: 1.1rem;
}

#filark-documentation > h1 {
  font-size: clamp(2.2rem, 3.8vw, 3.1rem);
  line-height: 1.1;
}

.landing-hero {
  margin: 0.35rem 0 2.1rem;
  max-width: 56rem;
}

.landing-hero-main {
  min-width: 0;
}

.hero-kicker {
  color: var(--color-brand-content);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-top: 0.2rem;
  text-transform: uppercase;
}

.hero-title {
  color: var(--color-foreground-primary);
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  font-weight: 760;
  line-height: 1.12;
  margin: 0.45rem 0 0.8rem;
  max-width: 18ch;
}

.hero-body {
  color: var(--color-foreground-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
  max-width: 46rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
  margin-top: 1rem;
}

.hero-link {
  align-items: center;
  border-bottom: 1px solid color-mix(in srgb, var(--color-brand-content) 55%, transparent);
  color: var(--color-brand-content);
  display: inline-flex;
  font-weight: 700;
  min-height: 2.3rem;
  padding: 0.25rem 0;
  text-decoration: none;
}

.hero-link:visited {
  color: var(--color-brand-content);
}

.hero-link:hover {
  border-bottom-color: var(--color-brand-content);
  color: var(--color-brand-content);
  text-decoration: none;
}

.video-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 1rem 0 2rem;
}

.video-card {
  min-width: 0;
}

.video-card iframe {
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 8px;
  display: block;
  width: 100%;
}

.video-card strong {
  color: var(--color-foreground-primary);
  display: block;
  font-size: 0.94rem;
  line-height: 1.35;
  margin-top: 0.55rem;
}

.video-backup {
  display: inline-block;
  font-size: 0.9rem;
  margin-top: 0.2rem;
}

.sd-card {
  border-radius: 8px;
  border-color: var(--filark-border);
}

.sd-card .sd-card-title {
  font-weight: 700;
}

.sd-card .sd-card-footer {
  background: color-mix(in srgb, var(--color-background-primary) 86%, var(--color-brand-primary) 14%);
}

.section-intro {
  color: var(--color-foreground-secondary);
  max-width: 50rem;
}

.sidebar-tree a {
  border-radius: 6px;
  color: var(--color-sidebar-link-text);
  display: block;
  padding: 0.22rem 0.45rem;
  text-decoration: none;
}

.sidebar-tree ul {
  list-style: none;
  margin: 0;
  padding-left: 0;
}

.sidebar-tree li {
  margin: 0.08rem 0;
}

.sidebar-tree li ul {
  border-left: 1px solid var(--filark-border);
  margin: 0.3rem 0 0.45rem 0.55rem;
  padding-left: 0.45rem;
}

.sidebar-tree a:hover {
  background: var(--color-sidebar-item-background--hover);
}

.sidebar-tree .current-page > a {
  background: var(--color-sidebar-item-background--current);
  color: var(--color-sidebar-link-text--top-level);
  font-weight: 700;
}

.highlight pre {
  border-radius: 8px;
}

table.docutils {
  border-radius: 8px;
  overflow: hidden;
}

.media-slot {
  align-items: center;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--color-brand-primary) 8%, transparent), transparent 45%),
    var(--filark-surface);
  border: 1px dashed var(--filark-border);
  border-radius: 8px;
  color: var(--color-foreground-secondary);
  display: flex;
  margin: 1rem 0 1.25rem;
  min-height: 13rem;
  padding: 1rem;
}

.media-slot div {
  max-width: 34rem;
}

.media-slot strong {
  color: var(--color-foreground-primary);
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.media-slot span {
  display: block;
  line-height: 1.55;
}

@media (max-width: 760px) {
  .landing-hero {
    max-width: 100%;
  }

  .hero-title {
    font-size: 2rem;
    max-width: 100%;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }
}