.involvement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.3rem;
  max-width: 920px;
  margin: 0 auto;
}

.involvement-card {
  position: relative;
  display: flex;
  min-height: 290px;
  flex-direction: column;
  padding: 2rem;
  overflow: hidden;
  border: 1px solid #dbe8ef;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .96), rgba(244, 252, 254, .88));
  box-shadow: 0 12px 38px rgba(41, 70, 93, .07);
  transition: opacity .65s ease, transform .25s ease, box-shadow .25s ease;
}

.involvement-card::before {
  position: absolute;
  top: 0;
  right: 2rem;
  left: 2rem;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, #1594a4, #9de3dd);
  content: "";
}

.involvement-card:nth-child(2)::before {
  background: linear-gradient(90deg, #6b80c9, #b8caef);
}

.involvement-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 48px rgba(41, 70, 93, .12);
}

.involvement-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.involvement-role {
  padding: .35rem .7rem;
  border: 1px solid #d7edf1;
  border-radius: 999px;
  background: #eff9fb;
  color: #176c7f;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .09em;
}

.involvement-index {
  color: #91afbb;
  font-family: var(--heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.involvement-card h3 {
  margin-bottom: .8rem;
  font-size: 1.55rem;
}

.involvement-card p {
  margin: 0 0 1.6rem;
  color: var(--muted);
  line-height: 1.8;
}

.involvement-card .text-link {
  width: fit-content;
  margin-top: auto;
}

@media (max-width: 680px) {
  html {
    scroll-padding-top: 160px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
    row-gap: .45rem;
  }

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

  .involvement-card {
    min-height: 0;
    padding: 1.5rem;
  }
}