<div class="card-07">
  <span class="card-07__tag">Neon</span>
  <h4 class="card-07__title">Neon Sign</h4>
  <p class="card-07__body">Hover to see the glow flicker to life.</p>
  <div class="card-07__line"></div>
</div>

.card-07__tag {
  font-family: monospace;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  background: rgba(124, 108, 255, 0.15);
  color: #7c6cff;
  border: 1px solid rgba(124, 108, 255, 0.3);
  display: inline-block;
  margin-bottom: 10px;
}
.card-07__title {
  font-size: 17px;
  font-weight: 700;
  color: #f0eeff;
  margin-bottom: 6px;
}
.card-07__body {
  font-size: 13px;
  color: #b8b6d4;
  line-height: 1.6;
}
.card-07 {
  width: 100%;
  max-width: 280px;
  padding: 22px;
  border-radius: 14px;
  background: #07070e;
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
}
.card-07:hover {
  border-color: rgba(124, 108, 255, 0.6);
  box-shadow:
    0 0 28px rgba(124, 108, 255, 0.12),
    inset 0 0 28px rgba(124, 108, 255, 0.04);
}
.card-07__title {
  font-size: 22px;
  letter-spacing: 0.04em;
  transition:
    text-shadow 0.3s,
    color 0.3s;
}
.card-07:hover .card-07__title {
  color: #c0b4ff;
  text-shadow:
    0 0 6px #7c6cff,
    0 0 14px #7c6cff,
    0 0 30px rgba(124, 108, 255, 0.5);
  animation: card-07-flicker 1.2s ease-out forwards;
}
@keyframes card-07-flicker {
  0%, 100% { opacity: 1; }
  8% { opacity: 0.82; }
  10% { opacity: 1; }
  60% { opacity: 0.9; }
  62% { opacity: 1; }
}
.card-07__line {
  margin-top: 14px;
  height: 2px;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.15);
  transition:
    background 0.3s,
    box-shadow 0.3s;
}
.card-07:hover .card-07__line {
  background: #7c6cff;
  box-shadow: 0 0 8px #7c6cff;
}