.runtime-resource {
  background: var(--color-white);
}

.runtime-resource__header {
  padding-block: clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(
      circle at 82% 18%,
      rgb(28 85 181 / 7%),
      transparent 28rem
    ),
    linear-gradient(
      135deg,
      rgb(247 250 255 / 96%),
      var(--color-white)
    );
}

.runtime-resource__header-inner {
  display: grid;
  max-width: 62rem;
  gap: var(--space-5);
}

.runtime-resource__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.runtime-resource__breadcrumb a {
  color: var(--color-blue-700);
}

.runtime-resource__header h1 {
  max-width: 58rem;
  margin: 0;
  color: var(--color-navy-950);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  line-height: 1;
  letter-spacing: -.045em;
}

.runtime-resource__excerpt {
  max-width: 51rem;
  margin: 0;
  color: var(--color-text-muted);
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  line-height: var(--line-height-copy);
}

.runtime-resource__byline {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-items: center;
  color: var(--color-ink-700);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.runtime-resource__download {
  margin-top: var(--space-3);
}

.runtime-resource__content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 18rem);
  gap: clamp(3rem, 7vw, 6rem);
  align-items: start;
  padding-block: clamp(3rem, 7vw, 6rem);
}

.runtime-resource__body {
  max-width: 48rem;
  color: var(--color-ink-800);
  font-size: 1.08rem;
  line-height: 1.78;
}

.runtime-resource__body > *:first-child {
  margin-top: 0;
}

.runtime-resource__body p {
  margin-block: 0 1.4rem;
}

.runtime-resource__body h2 {
  margin: 2.8rem 0 1rem;
  color: var(--color-navy-950);
  font-size: clamp(1.9rem, 3vw, 2.65rem);
  line-height: 1.15;
  letter-spacing: -.025em;
}

.runtime-resource__body h3 {
  margin: 2.2rem 0 .8rem;
  color: var(--color-navy-950);
  font-size: clamp(1.45rem, 2.2vw, 1.85rem);
  line-height: 1.25;
}

.runtime-resource__body ul,
.runtime-resource__body ol {
  display: grid;
  gap: .7rem;
  margin: 0 0 1.5rem;
  padding-left: 1.35rem;
}

.runtime-resource__body blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--color-blue-600);
  background: var(--color-surface-subtle);
  color: var(--color-ink-700);
}

.runtime-resource__body a {
  color: var(--color-blue-700);
  text-decoration-thickness: 1px;
  text-underline-offset: .18em;
}

.runtime-resource__body img {
  display: block;
  width: 100%;
  height: auto;
  margin-block: 2rem;
  border-radius: var(--radius-xl);
}

.runtime-resource__body table {
  width: 100%;
  margin-block: 2rem;
  border-collapse: collapse;
}

.runtime-resource__body th,
.runtime-resource__body td {
  padding: .85rem;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.runtime-resource__rail {
  position: sticky;
  top: 7rem;
}

.runtime-resource__rail-card {
  display: grid;
  gap: var(--space-4);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.runtime-resource__rail-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.runtime-resource__rail-card h2 {
  margin: 0;
  color: var(--color-navy-950);
  font-size: 1.35rem;
}

.runtime-resource__rail-card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.runtime-resource__rail-card a {
  color: var(--color-blue-700);
  font-weight: var(--font-weight-semibold);
}

.runtime-resource__rail-label {
  color: var(--color-navy-950) !important;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
}

.runtime-resource__cta {
  padding-block: clamp(3rem, 6vw, 5rem);
  background: var(--color-navy-950);
}

.runtime-resource__cta-inner {
  display: flex;
  justify-content: space-between;
  gap: var(--space-8);
  align-items: center;
}

.runtime-resource__cta-inner > div {
  display: grid;
  max-width: 48rem;
  gap: var(--space-4);
}

.runtime-resource__cta h2 {
  margin: 0;
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 3.25rem);
}

@media (max-width: 63.99rem) {
  .runtime-resource__content-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .runtime-resource__rail {
    position: static;
  }

  .runtime-resource__rail-card {
    max-width: 32rem;
  }

  .runtime-resource__cta-inner {
    display: grid;
  }
}

@media (max-width: 47.99rem) {
  .runtime-resource__header {
    padding-block: 3rem;
  }

  .runtime-resource__header h1 {
    font-size: clamp(2.5rem, 12vw, 3.8rem);
  }

  .runtime-resource__rail-card {
    max-width: none;
  }
}