.hero-section {
  margin-top: 0;
}

.material-symbols-outlined {
  font-variation-settings:
    "FILL" 0,
    "wght" 400,
    "GRAD" 0,
    "opsz" 24;
}

.hero-highlight {
  display: inline;
  line-height: 1;
  text-decoration-line: underline;
  text-decoration-color: #af101a;
  text-decoration-thickness: 4px;
  text-underline-offset: 0.1em;
  text-decoration-skip-ink: none;
}

.section-heading__line {
  width: 4rem;
  height: 2px;
  background-color: #af101a;
  margin-top: 1.5rem;
}

.section-heading__line--center {
  margin-left: auto;
  margin-right: auto;
}

.problem-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.problem-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  background: #ffffff;
  border: 1px solid #e4beba;
  border-radius: 0.125rem;
}

.problem-list__marker {
  flex-shrink: 0;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: 0.55rem;
  border-radius: 50%;
  background-color: #af101a;
}

.callout-box {
  margin-top: 2rem;
  padding: 1.5rem 1.75rem;
  background-color: #fff5f3;
  border-left: 4px solid #af101a;
  border-radius: 0 0.125rem 0.125rem 0;
}

.callout-box--alert {
  background-color: #fff5f3;
}

.callout-box__title {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: #af101a;
  line-height: 1.4;
}

.callout-box__text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: #1b1c1c;
}

.reason-card__number {
  font-family: "Newsreader", serif;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: #af101a;
  opacity: 0.9;
}

.structure-intro {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.structure-intro__list {
  list-style: none;
  margin: 0.25rem 0 0.25rem 0.5rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.structure-intro__list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.structure-intro__list li::before {
  content: "";
  flex-shrink: 0;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background-color: #af101a;
}

.treatment-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.treatment-list__item {
  padding: 0.5rem 1rem;
  background: #f0eded;
  border: 1px solid #e4beba;
  border-radius: 0.125rem;
  font-size: 0.9375rem;
  color: #5b403d;
}

.structure-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .structure-compare {
    grid-template-columns: 1fr 1fr;
  }
}

.structure-compare__card {
  border: 1px solid #e4beba;
  border-radius: 0.125rem;
  overflow: hidden;
  background: #ffffff;
}

.structure-compare__label {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  text-align: center;
}

.structure-compare__label--normal {
  background: #f6f3f2;
  color: #1b1c1c;
}

.structure-compare__label--abnormal {
  background: #fff5f3;
  color: #af101a;
}

.structure-compare__figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  background: #f0eded;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.structure-compare__placeholder {
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #5b403d;
}

.structure-compare__caption {
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #5b403d;
  margin: 0;
}

.structure-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  font-size: 0.875rem;
}

.structure-legend__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.structure-legend__dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
}

.structure-legend__dot--patella {
  background: #d32f2f;
}

.structure-legend__dot--tibia {
  background: #4c56af;
}

a.symptom-region-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.symptom-region-card:focus-visible {
  outline: 2px solid #af101a;
  outline-offset: 2px;
}

.symptom-region-card__icon {
  font-size: 28px;
  color: #af101a;
}

.symptom-region-card:hover .symptom-region-card__icon {
  font-variation-settings: "FILL" 1, "wght" 500, "GRAD" 0, "opsz" 24;
}

.symptom-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.symptom-tags__item {
  font-size: 0.8125rem;
  line-height: 1.4;
  color: #5b403d;
  padding: 0.35rem 0.65rem;
  background: #f6f3f2;
  border-radius: 0.125rem;
}

.symptom-region-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: #af101a;
}

a.symptom-region-card:hover .symptom-region-card__cta {
  text-decoration: underline;
}

@media (max-width: 375px) {
  body .text-headline-lg-mobile {
    font-size: 24px;
    line-height: 32px;
  }
}