/**
 * Product page features section: background #ecf1fd, grid of title + description boxes.
 * Full width so background reaches viewport edges.
 */
.product-features {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: var(--space-3xl) var(--container-padding);
  background: #ecf1fd;
  box-sizing: border-box;
}

.product-features__inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.product-features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.product-features--cols-3 .product-features__grid {
  grid-template-columns: repeat(3, 1fr);
}

.product-features__box {
  padding: var(--space-xl);
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-features__box:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.product-features__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 45%, var(--color-primary) 100%);
  background-size: 200% 200%;
  background-position: 0% 0;
  color: #fff;
  transition: background-position 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.product-features__icon i {
  font-size: 1.25rem;
}

.product-features__box:hover .product-features__icon {
  background-position: 100% 100%;
  transform: scale(1.08);
  box-shadow: 0 6px 16px rgba(242, 147, 24, 0.35), 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* Load-in: gradient sweep on icons, first to last, staggered; ends at default so hover works */
@keyframes product-features-sweep {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 0; }
}

.product-features.is-visible .product-features__box:nth-child(1) .product-features__icon { animation: product-features-sweep 0.5s ease forwards; }
.product-features.is-visible .product-features__box:nth-child(2) .product-features__icon { animation: product-features-sweep 0.5s ease 0.08s forwards; }
.product-features.is-visible .product-features__box:nth-child(3) .product-features__icon { animation: product-features-sweep 0.5s ease 0.16s forwards; }
.product-features.is-visible .product-features__box:nth-child(4) .product-features__icon { animation: product-features-sweep 0.5s ease 0.24s forwards; }
.product-features.is-visible .product-features__box:nth-child(5) .product-features__icon { animation: product-features-sweep 0.5s ease 0.32s forwards; }
.product-features.is-visible .product-features__box:nth-child(6) .product-features__icon { animation: product-features-sweep 0.5s ease 0.4s forwards; }
.product-features.is-visible .product-features__box:nth-child(7) .product-features__icon { animation: product-features-sweep 0.5s ease 0.48s forwards; }
.product-features.is-visible .product-features__box:nth-child(8) .product-features__icon { animation: product-features-sweep 0.5s ease 0.56s forwards; }
.product-features.is-visible .product-features__box:nth-child(9) .product-features__icon { animation: product-features-sweep 0.5s ease 0.64s forwards; }

@media (prefers-reduced-motion: reduce) {
  .product-features.is-visible .product-features__box .product-features__icon {
    animation: none;
  }
}

.product-features__title {
  margin: 0 0 var(--space-md);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: #020817;
}

.product-features__desc {
  margin: 0;
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
}

@media (max-width: 64rem) {
  .product-features--cols-3 .product-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 48rem) {
  .product-features {
    padding: var(--space-2xl) var(--container-padding);
  }

  .product-features__grid,
  .product-features--cols-3 .product-features__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .product-features__title {
    font-size: var(--font-size-lg);
  }
}