.platform-card {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 104px;
  padding: 22px 24px;
  text-align: left;
  border: 1px solid rgba(0, 0, 0, 0.10);
  border-radius: 20px;
  background: #ffffff;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.platform-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 0, 0, 0.16);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.08);
}

.platform-card:focus {
  outline: none;
}

.platform-card:focus-visible {
  outline: 3px solid rgba(0, 120, 255, 0.22);
  outline-offset: 2px;
}

.platform-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.10);
  background: rgba(0, 0, 0, 0.03);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
}

.platform-card__text {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.platform-card__title {
  font-weight: 700;
  font-size: 1.16rem;
  line-height: 1.25;
}

.platform-card__desc {
  font-size: 1rem;
  line-height: 1.5;
  opacity: 0.78;
}

.platform-card__chev {
  margin-left: auto;
  font-size: 1.55rem;
  line-height: 1;
  opacity: 0.45;
}

.platform-card.is-active {
  border-color: rgba(0, 120, 255, 0.42);
  box-shadow: 0 14px 32px rgba(0, 120, 255, 0.10);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.platform-card.is-active .platform-card__icon {
  border-color: rgba(0, 120, 255, 0.28);
  background: rgba(0, 120, 255, 0.06);
}