/* ==========================================================================
   EXPERTISE COMPONENT
   Cards displaying areas of expertise
   Used in: about.html
   Note: Uses .section-header from titles.css for title/label
   ========================================================================== */

.expertise {
  padding: 6rem 1.5rem;
  background-color: var(--color-white);
}

.expertise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

/* Expertise Card
   ========================================================================== */

.expertise-card {
  background-color: var(--color-white);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-primary-10);
  transition: var(--transition);
}

.expertise-card:hover {
  border-color: var(--color-primary-20);
  box-shadow: 0 4px 12px var(--color-primary-10);
  transform: translateY(-2px);
}

.expertise-card__icon-wrapper {
  width: 3.5rem;
  height: 3.5rem;
  background-color: var(--color-primary-5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.expertise-card:hover .expertise-card__icon-wrapper {
  background-color: var(--color-primary-10);
}

.expertise-card__icon {
  font-size: 2rem;
  color: var(--color-primary);
}

.expertise-card__title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 400;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.expertise-card__description {
  font-size: 0.875rem;
  line-height: 1.625;
  color: var(--color-primary-70);
}

/* Responsive Grid
   ========================================================================== */

@media (min-width: 640px) {
  .expertise__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .expertise__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}