.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 960px) { .about-grid { grid-template-columns: 1fr; } }

.feature-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: var(--brand-grad);
  border-radius: inherit;
  opacity: 0;
  z-index: -2;
  transition: opacity var(--dur);
}
.feature-card::after {
  content: "";
  position: absolute;
  inset: 1px;
  background: var(--bg-elev);
  border-radius: inherit;
  z-index: -1;
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  color: #fff;
  background: var(--brand-grad);
  box-shadow: 0 10px 30px rgba(124,92,255,.35);
}
.feature-icon-2 { background: linear-gradient(135deg, #22d3ee, #7c5cff); box-shadow: 0 10px 30px rgba(34,211,238,.35); }
.feature-icon-3 { background: linear-gradient(135deg, #f59e0b, #ef4444); box-shadow: 0 10px 30px rgba(245,158,11,.35); }

.feature-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feature-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text-muted);
  font-size: .95rem;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 14px;
  background: var(--brand-grad);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--bg-elev) inset;
}