.rk-page {
  margin-bottom: 2rem;
}

.rk-page-header {
  margin-bottom: 1.5rem;
}

.rk-page-header h1 {
  margin-bottom: .75rem;
}

.rk-lead {
  max-width: 760px;
  color: #666;
  font-size: 1rem;
  line-height: 1.65;
}

.rk-directory {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr);
  gap: 2rem;
  align-items: start;
}

.rk-directory-main h2 {
  margin-bottom: .75rem;
  font-size: 1.25rem;
}

.rk-directory-main p {
  max-width: 640px;
  color: #666;
  line-height: 1.65;
}

.rk-directory-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #e5e5e5;
}

.rk-directory-list li {
  padding: .9rem 0;
  border-bottom: 1px solid #e5e5e5;
}

.rk-directory-list span {
  display: block;
  margin-bottom: .2rem;
  color: #777;
  font-size: .8125rem;
}

.rk-directory-list a,
.rk-directory-list strong,
.rk-index-title a {
  font-weight: 600;
}

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

.rk-hub-card {
  min-height: 190px;
  padding: 1.25rem;
  border: 1px solid #e5e5e5;
  background: #fff;
}

.rk-hub-card-primary {
  grid-row: span 2;
}

.rk-hub-card span {
  color: #777;
  font-size: .78rem;
  text-transform: uppercase;
}

.rk-hub-card h2 {
  margin: .45rem 0 .65rem;
  font-size: 1.25rem;
}

.rk-hub-card p {
  color: #666;
  line-height: 1.55;
}

.rk-article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.rk-article-card {
  min-height: 220px;
  padding: 1.15rem;
  border: 1px solid #e5e5e5;
  background: #fff;
}

.rk-article-card h2 {
  margin: .65rem 0 .65rem;
  font-size: 1.1rem;
  line-height: 1.35;
}

.rk-article-card p {
  color: #666;
  line-height: 1.55;
}

.rk-card-meta,
.rk-card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.rk-card-meta span,
.rk-card-footer span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: .15rem .45rem;
  border: 1px solid #ddd;
  color: #666;
  font-size: .75rem;
  line-height: 1.2;
}

.rk-card-footer {
  margin-top: 1rem;
}

.rk-path-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.rk-path-card {
  min-height: 230px;
  padding: 1.15rem;
  border: 1px solid #e5e5e5;
  background: #fff;
}

.rk-path-card h2 {
  margin: .75rem 0 .65rem;
  font-size: 1.15rem;
  line-height: 1.35;
}

.rk-path-card p,
.rk-muted {
  color: #666;
  line-height: 1.55;
}

.rk-path-intro {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  max-width: 920px;
  margin-bottom: 1.75rem;
}

.rk-path-intro section,
.rk-path-checklist {
  padding: 1rem;
  border: 1px solid #e5e5e5;
  background: #fff;
}

.rk-path-intro h2,
.rk-path-checklist h2,
.rk-path-lessons h2,
.rk-media-block h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.rk-path-lessons {
  max-width: 920px;
  margin-top: 1.75rem;
}

.rk-path-lessons ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rk-path-lessons li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: .85rem;
  padding: 1rem 0;
  border-top: 1px solid #e5e5e5;
}

.rk-path-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid #111;
  border-radius: 50%;
  font-weight: 600;
}

.rk-path-lessons h3 {
  margin: 0 0 .35rem;
  font-size: 1.05rem;
}

.rk-path-lessons p {
  margin-bottom: .5rem;
  color: #666;
}

.rk-path-checklist {
  max-width: 920px;
  margin-top: 1.75rem;
}

.rk-path-checklist ul {
  margin-bottom: 0;
  padding-left: 1.2rem;
}

.rk-index .table td,
.rk-index .table th {
  vertical-align: middle;
}

.rk-type {
  margin-bottom: .35rem;
  text-transform: uppercase;
}

.rk-breadcrumb {
  margin-bottom: 1.25rem;
}

.rk-breadcrumb ol {
  margin-bottom: 0;
}

.rk-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

.rk-body {
  max-width: 820px;
  color: #333;
  line-height: 1.7;
}

.rk-body h2,
.rk-body h3 {
  margin-top: 1.75rem;
  margin-bottom: .75rem;
}

.rk-body ol,
.rk-body ul {
  padding-left: 1.25rem;
}

.rk-body li {
  margin-bottom: .35rem;
}

.rk-related {
  max-width: 820px;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e5e5e5;
}

.rk-used-products {
  max-width: 820px;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e5e5e5;
}

.rk-media-block {
  max-width: 820px;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e5e5e5;
}

.rk-media-list {
  display: grid;
  gap: 1rem;
}

.rk-media-item {
  padding: 1rem;
  border: 1px solid #e5e5e5;
  background: #fff;
}

.rk-media-item h3 {
  margin: .75rem 0 .25rem;
  font-size: 1rem;
}

.rk-media-item img {
  display: block;
  max-width: 100%;
  height: auto;
}

.rk-video-embed {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #111;
}

.rk-video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.rk-used-products h2 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.rk-used-products ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rk-used-products li {
  padding: .85rem 1rem;
  border: 1px solid #e5e5e5;
  background: #fff;
}

.rk-used-products a {
  display: block;
  font-weight: 600;
}

.rk-used-products span {
  display: block;
  margin-top: .25rem;
  color: #777;
  font-size: .8125rem;
}

.rk-related h2 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.rk-related-group {
  margin-bottom: 1rem;
}

.rk-related-group h3 {
  margin-bottom: .4rem;
  color: #666;
  font-size: .875rem;
  text-transform: uppercase;
}

.rk-related-group ul {
  margin: 0;
  padding-left: 1.15rem;
}

.rk-related-group li {
  margin-bottom: .25rem;
}

.rk-product-skills {
  margin: .75rem 0 1rem;
  font-size: .875rem;
}

.rk-product-skills-title {
  display: inline;
  font-weight: 600;
}

.rk-product-skills .list-inline {
  display: inline;
  margin: 0;
}

.rk-product-skills .list-inline-item {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin: .15rem .25rem .15rem 0;
  padding: .1rem .4rem;
  border: 1px solid #e5e5e5;
  background: #fff;
  font-size: .8125rem;
}

.rk-product-extra ul {
  margin: 0;
  padding-left: 1.15rem;
}

.rk-product-extra h3 {
  margin: 0 0 .85rem;
  font-size: 1.125rem;
}

.rk-product-videos {
  margin-bottom: 1.5rem;
}

.rk-product-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.rk-product-video {
  border: 1px solid #e5e5e5;
  background: #fff;
  padding: .75rem;
}

.rk-product-video-embed {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #111;
}

.rk-product-video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.rk-product-video h4 {
  margin: .65rem 0 .2rem;
  font-size: .9375rem;
}

.rk-product-video p {
  margin: .35rem 0 0;
}

.rk-product-video-source {
  color: #777;
  font-size: .8125rem;
}

.rk-product-extra li {
  margin-bottom: .65rem;
}

.rk-product-extra span {
  display: block;
  color: #666;
}

@media (max-width: 767px) {
  .rk-directory {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .rk-hub-grid {
    grid-template-columns: 1fr;
  }

  .rk-hub-card-primary {
    grid-row: auto;
  }

  .rk-index .table {
    min-width: 680px;
  }
}