.main__heading {
  font-weight: 600;
  font-size: 2.25em;
  margin-bottom: 0.75em;
  text-align: center;
  color: #eceff1;
}

.cards {
  position: relative;
}

.card {
  --flow-space: 0.5em;
  --hsl: var(--hue), var(--saturation), var(--lightness);
  flex: 1 1 14rem;
  padding: 1.5em 2em;
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  align-items: start;
  gap: 1.25em;
  color: #eceff1;
  background-color: #2b2b2b;
  border: 1px solid #eceff133;
  border-radius: 15px;
}

.card:nth-child(1) {
  --hue: 165;
  --saturation: 82.26%;
  --lightness: 51.37%;
}

.card__bullets {
  line-height: 1.4;
}

.card__heading {
  font-size: 1.05em;
  font-weight: 600;
}

.card__price {
  font-size: 1.75em;
  font-weight: 700;
}

.flow > * + * {
  margin-top: var(--flow-space, 1.25em);
}

.cta {
  display: block;
  align-self: end;
  margin: 1em 0 0.5em 0;
  text-align: center;
  text-decoration: none;
  color: #fff;
  background-color: transparent;
  outline: 1px solid white;
  padding: 0.7em;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
}

.card:hover {
  --lightness: 80%;
  background: #ffffff80;
  color: #000;
  outline: 1px solid rgb(255, 255, 255);
  box-shadow: inset 0 0 80px whitesmoke, inset 20px 0 80px rgba(255, 0, 255, 0.747),
    inset -20px 0 80px #0ff, inset 20px 0 300px #f0f, inset -20px 0 300px #0ff,
    0 0 50px #fff, -10px 0 80px #f0f, 10px 0 80px #0ff;
  transition: all ease-in-out 0.3s;
}

.card:hover > .cta {
  outline: none;
  background-color: #0d0d0d;
}