html {
  color-scheme: light;
}

body.learning-card-page {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.05), transparent 26rem),
    linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  color: #0f172a;
  font-family: "Manrope", system-ui, sans-serif;
}

.learning-card-shell {
  width: min(78rem, calc(100% - 1rem));
  margin: 0 auto;
}

.learning-card-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(148, 163, 184, 0.22);
}

.learning-card-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 4.25rem;
  padding: 0.45rem 0;
}

.learning-card-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: inherit;
}

.learning-card-brand-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 10px 30px -24px rgba(15, 23, 42, 0.6);
}

.learning-card-brand-copy {
  min-width: 0;
}

.learning-card-brand-copy small {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #64748b;
}

.learning-card-brand-copy strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.learning-card-header-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.learning-card-chip,
.learning-card-button,
.learning-card-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 0.75rem;
  padding: 0.65rem 0.9rem;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
}

.learning-card-chip {
  padding: 0.38rem 0.7rem;
  background: rgba(37, 99, 235, 0.08);
  color: #1d4ed8;
}

.learning-card-button {
  background: #2563eb;
  color: #ffffff;
}

.learning-card-button-secondary {
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: #0f172a;
  background: #ffffff;
}

.learning-card-main {
  padding: 1rem 0 2rem;
}

.learning-card-layout {
  display: grid;
  gap: 1rem;
}

.learning-card-content-column {
  min-width: 0;
}

.learning-card-sidebar {
  display: none;
}

.learning-card-hero,
.learning-card-panel,
.learning-card-section,
.learning-card-grid-card {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 28px -24px rgba(15, 23, 42, 0.35);
  border-radius: 1rem;
}

.learning-card-hero {
  padding: 1rem;
}

.learning-card-hero-meta {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.9rem;
}

.learning-card-meta-card {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 0.9rem;
  padding: 0.75rem 0.85rem;
}

.learning-card-meta-card strong {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.95rem;
}

.learning-card-kicker {
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #64748b;
}

.learning-card-hero h1,
.learning-card-page-title {
  margin: 0.5rem 0 0;
  font-family: "Manrope", system-ui, sans-serif;
  font-size: clamp(1.85rem, 5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.learning-card-subtitle {
  margin: 0.75rem 0 0;
  max-width: 60rem;
  font-size: 0.98rem;
  line-height: 1.65;
  color: #475569;
}

.learning-card-badges {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.learning-card-summary {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 0.9rem;
  background: rgba(37, 99, 235, 0.06);
}

.learning-card-defined-terms {
  margin-top: 1rem;
}

.learning-card-defined-term-list {
  margin-top: 0.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.learning-card-inline-term {
  display: inline-flex;
  align-items: center;
  border-radius: 0.45rem;
  padding: 0.05rem 0.35rem;
  background: rgba(37, 99, 235, 0.1);
  color: #0f172a;
  font-weight: 700;
  border: 1px solid rgba(37, 99, 235, 0.12);
  text-decoration: none;
}

.learning-card-inline-term.is-link:hover {
  background: rgba(37, 99, 235, 0.16);
  color: #1d4ed8;
}

.learning-card-figure-grid {
  display: grid;
  gap: 1rem;
}

.learning-card-figure-grid-feature-grid,
.learning-card-figure-grid-compact-grid {
  gap: 0.8rem;
}

.learning-card-figure {
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.82);
}

.learning-card-figure-label {
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  padding: 0.7rem 0.95rem;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #64748b;
}

.learning-card-figure-media {
  background: rgba(148, 163, 184, 0.08);
}

.learning-card-figure-media img {
  display: block;
  width: 100%;
  max-height: 26rem;
  object-fit: contain;
}

.learning-card-figure-copy {
  padding: 0.9rem 0.95rem 1rem;
  color: #0f172a;
  line-height: 1.65;
}

.learning-card-figure-source {
  margin-top: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #64748b;
}

.learning-card-figure-size-compact .learning-card-figure-label {
  padding: 0.6rem 0.8rem;
  font-size: 0.64rem;
}

.learning-card-figure-size-compact .learning-card-figure-media img {
  max-height: 12rem;
}

.learning-card-figure-size-compact .learning-card-figure-copy {
  padding: 0.75rem 0.8rem 0.8rem;
  font-size: 0.82rem;
  line-height: 1.55;
}

.learning-card-figure-size-featured .learning-card-figure-media img {
  max-height: 30rem;
}

.learning-card-summary ul,
.learning-card-list,
.learning-card-numbered-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.learning-card-summary li,
.learning-card-list li,
.learning-card-numbered-list li {
  display: flex;
  gap: 0.85rem;
  line-height: 1.7;
}

.learning-card-summary li + li,
.learning-card-list li + li,
.learning-card-numbered-list li + li {
  margin-top: 0.9rem;
}

.learning-card-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: #2563eb;
  margin-top: 0.72rem;
  flex: 0 0 auto;
}

.learning-card-step {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.08);
  color: #1d4ed8;
  border: 1px solid rgba(37, 99, 235, 0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 800;
  flex: 0 0 auto;
}

.learning-card-grid {
  display: grid;
  gap: 1rem;
}

.learning-card-grid-card {
  padding: 1rem;
}

.learning-card-grid-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.learning-card-grid-card p {
  margin: 0.75rem 0 0;
  color: #475569;
  line-height: 1.7;
}

.learning-card-reference {
  margin-top: 0.9rem;
  padding: 0.85rem;
  border-radius: 0.9rem;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.1);
}

.learning-card-reference-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.learning-card-reference-header strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

.learning-card-reference-header a {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #2563eb;
  text-decoration: none;
}

.learning-card-page-content {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.75rem;
}

.learning-card-section-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.learning-card-section-toggle-button {
  border: 0;
  background: transparent;
  color: #2563eb;
  padding: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.learning-card-section {
  padding: 1rem;
}

.learning-card-section-accordion {
  padding: 0;
}

.learning-card-section-summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem;
  cursor: pointer;
  list-style: none;
}

.learning-card-section-summary::-webkit-details-marker {
  display: none;
}

.learning-card-section-summary::after {
  content: "▾";
  color: #64748b;
  font-size: 1.1rem;
  line-height: 1;
  transform: rotate(-90deg);
  transition: transform 0.18s ease;
}

.learning-card-section-accordion[open] > .learning-card-section-summary::after {
  transform: rotate(0deg);
}

.learning-card-section-summary-copy {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.learning-card-section-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.learning-card-section-anchor {
  font-size: 0.78rem;
  color: #64748b;
}

.learning-card-section-content {
  padding: 0 1rem 1rem;
}

.learning-card-section h2 {
  margin: 0.45rem 0 0;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.learning-card-callout {
  border-radius: 0.9rem;
  padding: 0.9rem 1rem;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.1);
}

.learning-card-section p {
  line-height: 1.8;
  color: #475569;
}

.learning-card-faq details {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding: 1rem 0;
}

.learning-card-faq details:first-child {
  border-top: 0;
  padding-top: 0;
}

.learning-card-faq summary {
  cursor: pointer;
  font-weight: 700;
}

.learning-card-faq p {
  margin: 0.75rem 0 0;
}

.learning-card-footer {
  margin-top: 2rem;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  padding: 2rem 0 3rem;
}

@media (min-width: 640px) {
  .learning-card-figure-grid-grid,
  .learning-card-figure-grid-feature-grid,
  .learning-card-figure-grid-compact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .learning-card-figure-grid-feature-grid .learning-card-figure-size-featured,
  .learning-card-figure-grid-compact-grid .learning-card-figure-size-featured {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1100px) {
  .learning-card-layout {
    grid-template-columns: minmax(0, 1fr) 15rem;
    align-items: start;
  }

  .learning-card-figure-grid-grid,
  .learning-card-figure-grid-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .learning-card-figure-grid-compact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .learning-card-figure-grid-compact-grid .learning-card-figure-size-featured {
    grid-column: span 2;
  }

  .learning-card-sidebar {
    display: block;
  }

  .learning-card-sidebar-card {
    position: sticky;
    top: 5.5rem;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 28px -24px rgba(15, 23, 42, 0.35);
    border-radius: 1rem;
    padding: 0.95rem;
  }

  .learning-card-sidebar-nav {
    display: grid;
    gap: 0.4rem;
    margin-top: 0.75rem;
  }

  .learning-card-sidebar-nav a {
    display: block;
    border-radius: 0.85rem;
    padding: 0.65rem 0.75rem;
    text-decoration: none;
    color: inherit;
  }

  .learning-card-sidebar-nav a:hover {
    background: rgba(148, 163, 184, 0.1);
  }

  .learning-card-sidebar-nav small {
    display: block;
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #64748b;
  }

  .learning-card-sidebar-nav strong {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.92rem;
    line-height: 1.35;
    color: #0f172a;
  }
}

@media (max-width: 768px) {
  .learning-card-main {
    padding-top: 0.75rem;
  }

  .learning-card-header-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.65rem 0;
  }

  .learning-card-header-links {
    width: 100%;
  }

  .learning-card-button,
  .learning-card-button-secondary {
    flex: 1 1 auto;
  }

  .learning-card-shell {
    width: calc(100% - 0.5rem);
  }

  .learning-card-hero,
  .learning-card-panel,
  .learning-card-section,
  .learning-card-grid-card {
    border-radius: 0.9rem;
  }

  .learning-card-figure {
    border-radius: 0.9rem;
  }

  .learning-card-section-summary {
    padding: 1rem;
  }

  .learning-card-section-content {
    padding: 0 1rem 1rem;
  }

  .learning-card-section-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .learning-card-reference-header {
    flex-direction: column;
  }
}