.adr-preserve {
  aspect-ratio: auto;
  height: 500px;
  min-height: 0;
  min-width: 0;
  width: 100%;
}

@media (max-width: 900px) {
  .adr-hero {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .adr-preserve {
    box-shadow: 10px 10px 0 #d7e5ec;
    height: 430px;
    min-height: 0;
  }
}

.adr-problem-cta {
  background: #eef4f7;
  border-left: 4px solid var(--adr-red);
  margin: 3rem 0 1rem;
  padding: clamp(1.35rem, 3vw, 2rem);
}

.adr-problem-cta h2 {
  font-size: clamp(1.3rem, 1.75vw, 1.7rem);
  margin: 0.35rem 0 0.8rem;
}

.adr-problem-cta > p:not(.adr-eyebrow, .adr-problem-cta__link) {
  color: var(--adr-muted);
  max-width: 65ch;
}

.adr-problem-cta .adr-actions {
  margin: 1.35rem 0 1rem;
}

.adr-problem-cta__link {
  margin: 0;
}

.adr-problem-cta__link a {
  color: var(--adr-blue);
  font-weight: 800;
}

/* Professional technical-article rhythm. */
.adr-entry {
  max-width: 880px;
}

.adr-entry > h1 {
  font-size: clamp(1.65rem, 2.5vw, 2.35rem);
  line-height: 1.15;
  margin: 0 0 1.5rem;
  max-width: 30ch;
}

.adr-entry h2 {
  font-size: clamp(1.35rem, 1.8vw, 1.75rem);
  line-height: 1.2;
  margin: 2.35rem 0 0.8rem;
}

.adr-entry h3 {
  font-size: clamp(1.15rem, 1.45vw, 1.4rem);
  line-height: 1.25;
  margin: 1.9rem 0 0.65rem;
}

.adr-entry p,
.adr-entry li {
  font-size: 1rem;
  line-height: 1.7;
}

.adr-entry p {
  margin: 0 0 1rem;
}

.adr-entry ul,
.adr-entry ol {
  margin: 0.75rem 0 1.35rem;
  padding-left: 1.35rem;
}

.adr-entry li + li {
  margin-top: 0.45rem;
}

.adr-entry hr {
  border: 0;
  border-top: 1px solid var(--adr-line);
  margin: 2.4rem 0;
}

.adr-page-lead {
  color: #33495a;
  font-size: 1.08rem !important;
  line-height: 1.65 !important;
  max-width: 72ch;
}

.adr-technical-alert {
  background: #eef4f7;
  border-left: 4px solid var(--adr-red);
  margin: 1.75rem 0 2.25rem;
  padding: 1.25rem 1.4rem;
}

.adr-technical-alert > strong {
  display: block;
  font: 700 1.2rem/1.25 Georgia, serif;
  margin-bottom: 0.45rem;
}

.adr-technical-alert p {
  margin: 0;
}

.adr-related-guidance {
  border-top: 1px solid var(--adr-line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
}

.adr-related-guidance strong {
  flex-basis: 100%;
}

.adr-related-guidance a {
  color: var(--adr-blue);
  font-weight: 800;
}

/* Restrained display hierarchy: headings guide the page without overpowering it. */
h1 {
  font-size: clamp(1.65rem, 2.7vw, 2.5rem);
}

h2 {
  font-size: clamp(1.25rem, 1.9vw, 1.8rem);
}

.adr-hero h1 {
  font-size: clamp(1.65rem, 2.55vw, 2.4rem);
  max-width: 24ch;
}

.adr-preserve__message h2 {
  font-size: clamp(1.22rem, 1.5vw, 1.48rem);
}

.adr-failures h2,
.adr-stories__intro h2,
.adr-triage h2,
.adr-process > h2 {
  font-size: clamp(1.35rem, 1.75vw, 1.75rem);
}

.adr-service-hero h1 {
  font-size: clamp(1.65rem, 2.5vw, 2.4rem);
  max-width: 28ch;
}

.adr-service-alert h2 {
  font-size: clamp(1.2rem, 1.45vw, 1.48rem);
}

.adr-section-heading h2 {
  font-size: clamp(1.35rem, 1.85vw, 1.85rem);
  max-width: 44ch;
}

.adr-service-story h2 {
  font-size: clamp(1.3rem, 1.65vw, 1.65rem);
}

.adr-service-cta h2 {
  font-size: clamp(1.3rem, 1.75vw, 1.75rem);
}

@media (max-width: 560px) {
  .adr-stories__intro h2 {
    font-size: 1.4rem;
  }
}