.reto__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.4vw, 2rem);
  max-width: 1320px;
  margin: 0 auto;
}

.reto-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--white);
  border-radius: 22px;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.reto-card__top {
  flex: 1 1 auto;
  padding: clamp(1.35rem, 2.4vw, 2rem) clamp(1.25rem, 2.2vw, 1.85rem)
    clamp(1rem, 2vw, 1.5rem);
}

.reto-card__km {
  margin: 0;
  color: var(--pink-cta);
  font-size: clamp(2.8rem, 6vw, 4.75rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.02em;
}

.reto-card__type {
  margin: 0.2rem 0 1rem;
  color: var(--pink-cta);
  font-size: clamp(1.05rem, 2vw, 1.55rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.reto-card__list {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.reto-card__list li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--pink-countdown);
  font-size: clamp(0.88rem, 1.35vw, 1.08rem);
  font-weight: 600;
  line-height: 1.35;
}

.reto-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--pink-cta);
  transform: translateY(-50%);
}

.reto-card__bottom {
  flex-shrink: 0;
  margin-top: auto;
  border-top: 1px solid #e8e8e8;
  padding: clamp(1rem, 2vw, 1.45rem) clamp(1.1rem, 2vw, 1.75rem)
    clamp(1.15rem, 2vw, 1.6rem);
}

.reto-card__row {
  display: flex;
  justify-content: center;
  align-items: center;
}

.reto-card__cta {
  flex-shrink: 0;
  padding: 0.85rem 1.55rem;
  font-size: clamp(0.78rem, 1.2vw, 0.95rem);
}

.reto-card__cta img {
  width: 1.2rem;
}

.reto-card__note {
  margin: 1rem 0 0;
  color: var(--pink-countdown);
  font-size: clamp(0.68rem, 1vw, 0.82rem);
  font-weight: 500;
  line-height: 1.45;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .reto__grid {
    grid-template-columns: 1fr;
    max-width: 640px;
  }
}

@media (max-width: 520px) {
  .reto-card__cta {
    width: 100%;
    justify-content: center;
  }
}