.about__content {
  grid-template-columns: 1fr;
}

.about__info {
  max-width: 85rem;
}

.expertise-summary {
  scroll-margin-top: 100px;
}

.expertise-summary__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2.4rem;
  list-style: none;
  margin-bottom: 1.6rem;
}

.expertise-summary__list li {
  border-top: 1px solid #cbd0d6;
  padding-top: 1.6rem;
}

.expertise-summary__list h4 {
  font-size: 1.7rem;
  line-height: 1.4;
  margin-bottom: .8rem;
}

.expertise-summary__list p {
  color: #4d5661;
  font-size: 1.4rem;
  line-height: 1.7;
}

.expertise-link {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  min-height: 44px;
  color: #075eae;
  font-size: 1.4rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.expertise-link:focus-visible {
  outline: 3px solid #075eae;
  outline-offset: 5px;
}

.expertise-page {
  background: #f2f2f7;
}

.expertise-page .skip-to-content {
  top: 0;
  transform: translateY(-100%);
  transition: none;
  min-height: 44px;
}

.expertise-page .skip-to-content:focus {
  transform: translateY(0);
}

.expertise-nav {
  border-bottom: 1px solid #cbd0d6;
  padding: 1.8rem 0;
}

.expertise-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 3rem;
}

.expertise-nav__name {
  color: var(--text-dark);
  font-size: 1.8rem;
  font-weight: 700;
}

.expertise-page main {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.expertise-page h1 {
  color: var(--text-dark);
  font-size: clamp(3.2rem, 4vw, 5rem);
  line-height: 1.15;
  letter-spacing: -.03em;
}

.expertise {
  min-width: 0;
  scroll-margin-top: 100px;
}

.expertise__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 3rem;
}

.expertise__eyebrow {
  color: #4d5661;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.expertise__lead,
.expertise__area p,
.expertise__footer p {
  color: #4d5661;
  font-size: 1.5rem;
  line-height: 1.75;
}

.expertise__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 5rem;
}

.expertise__area {
  display: grid;
  grid-template-columns: 2.8rem minmax(0, 1fr);
  gap: 1.6rem;
  padding: 3rem 0;
  border-top: 1px solid #cbd0d6;
}

.expertise__number {
  color: #075eae;
  font-size: 1.3rem;
  font-family: "JetBrains Mono", monospace;
  font-weight: 500;
  line-height: 2.6rem;
}

.expertise__area h2 {
  color: var(--text-dark);
  font-size: 2rem;
  line-height: 1.35;
  letter-spacing: -.02em;
  margin-bottom: 1.2rem;
}

.expertise__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  list-style: none;
  padding: 0;
  margin-top: 1.6rem;
}

.expertise__tags li {
  padding: .5rem .9rem;
  color: #334353;
  background: #e7edf3;
  border-radius: 4px;
  font-size: 1.2rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.expertise__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  border-top: 1px solid #cbd0d6;
  padding-top: 2.6rem;
}

.expertise__footer strong {
  color: var(--text-dark);
  font-weight: 600;
}

.expertise__footer a {
  min-height: 44px;
  flex-shrink: 0;
  color: #075eae;
  border-color: #075eae;
}

.expertise__footer a:focus-visible {
  outline: 3px solid #075eae;
  outline-offset: 5px;
}

@media (max-width: 56.25em) {
  .expertise-summary__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .expertise__intro {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .expertise__grid {
    column-gap: 3rem;
  }

  .expertise__footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 1.8rem;
  }
}

@media (max-width: 600px) {
  .expertise-page main {
    padding-top: 3.5rem;
  }

  .expertise__grid {
    grid-template-columns: 1fr;
  }

  .expertise__area {
    grid-template-columns: 2.2rem minmax(0, 1fr);
    gap: 1rem;
    padding: 2.4rem 0;
  }

  .expertise__area h2 {
    font-size: 1.9rem;
  }

  .expertise__lead,
  .expertise__area p,
  .expertise__footer p {
    font-size: 1.4rem;
  }
}

@media (max-width: 360px) {
  .expertise-summary__list {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }
}