/* Resource article page */

.rv-hero {
  background: linear-gradient(180deg, #fff, #f7fbff);
  border-bottom: 1px solid var(--border);
  padding: 20px 0 14px;
}

.rv-meta {
  margin-top: 10px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.rv-pills .pill {
  margin-right: 6px;
}

.pill {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  font-size: .9rem;
}

.rv-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 24px);
  padding-block: clamp(18px, 3vw, 28px);
}

@media (max-width: 980px) {
  .rv-layout {
    grid-template-columns: 1fr;
  }
}

.rv-toc {
  position: sticky;
  top: 76px;
  align-self: start;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 12px;
  display: grid;
  gap: 8px;
}

.rv-toc h3 {
  margin: 2px 0 6px;
}

#tocList a {
  display: block;
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--muted);
  transition: background .2s ease, color .2s ease;
}

#tocList a:hover {
  background: #f7f9ff;
  color: var(--text);
}

#tocList a.active {
  background: linear-gradient(180deg, #fff, #f8fbff);
  color: var(--text);
  border: 1px solid #dfe8ff;
}

.rv-article {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: clip;
}

.rv-article .section {
  padding: clamp(18px, 2.8vw, 26px);
  border-bottom: 1px solid var(--border);
}

.rv-article .section:last-child {
  border-bottom: 0;
}

.rv-article h2 {
  margin-bottom: 8px;
}

.rv-article figure {
  margin: 10px 0;
}

.rv-article figure img,
.rv-article figure video {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px rgba(16, 24, 40, .08);
}

.rv-article .caption {
  font-size: .92rem;
  color: var(--muted);
  margin-top: 6px;
}

/* copy link button inside section headings */
.copy-link {
  margin-left: 8px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 4px 8px;
  font-size: .88rem;
  transition: border-color .2s ease, background .2s ease, transform .1s ease;
}

.copy-link:hover {
  background: #f7fbff;
  border-color: #cfe0ff;
  transform: translateY(-1px);
}

/* prev/next */
.rv-nav {
  border-top: 1px solid var(--border);
  background: #fff;
}

.rv-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 10px;
  padding-block: clamp(16px, 3vw, 22px);
}

.rn {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: linear-gradient(180deg, #fff, #f9fbff);
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}

.rn:hover {
  transform: translateY(-2px);
  border-color: #cfe0ff;
  box-shadow: 0 12px 26px rgba(16, 24, 40, .08);
}

.rn strong {
  display: block;
  margin-top: 4px;
}

.rn.prev {
  text-align: left;
}

.rn.next {
  text-align: right;
}