.product-subnav {
  position: sticky;
  top: 4.3rem;
  z-index: 40;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(16, 42, 77, 0.1);
}
.product-subnav__inner {
  display: flex;
  gap: 0.4rem;
  padding-block: 0.65rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.product-subnav__inner::-webkit-scrollbar {
  display: none;
}
.product-subnav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: #54657a;
  border-radius: 999px;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
}
.product-subnav__link svg {
  width: 0.95rem;
  height: 0.95rem;
}
.product-subnav__link:hover {
  color: #1565c0;
  background-color: rgba(21, 101, 192, 0.06);
}
.product-subnav__link--active {
  color: #f4f9ff;
  background-color: #1565c0;
}

.product-section {
  padding-block: 4.5rem;
}
@media (min-width: 768px) {
  .product-section {
    padding-block: 5.5rem;
  }
}
.product-section--alt {
  background-color: rgba(232, 240, 250, 0.55);
}
.product-section__grid {
  display: grid;
  gap: 2.6rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .product-section__grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}
@media (min-width: 1024px) {
  .product-section__media {
    order: 1;
  }
}
@media (min-width: 1024px) {
  .product-section__media--right {
    order: 2;
  }
}
.product-section__image {
  width: 100%;
  height: 22rem;
  object-fit: cover;
  border-radius: 1.5rem;
  box-shadow: 0 12px 28px rgba(16, 42, 77, 0.14);
}
.product-section__head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.product-section__icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  flex-shrink: 0;
  border-radius: 0.75rem;
  color: #f4f9ff;
  background-color: #1565c0;
}
.product-section__title {
  font-family: "Playfair Display", "Noto Serif SC", Georgia, serif;
  font-size: clamp(1.6rem, 2.2vw + 0.7rem, 2.1rem);
  font-weight: 700;
}
.product-section__mode {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.3rem 0.85rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #1565c0;
  background-color: #ffe0b2;
  border-radius: 999px;
}
.product-section__desc {
  margin-top: 1.1rem;
  font-size: 0.94rem;
  line-height: 1.75;
  color: #54657a;
}
.product-section__advantages-title {
  margin-top: 1.5rem;
  margin-bottom: 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-cta-section {
  padding-block: 2rem 5rem;
}

.product-cta {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  align-items: flex-start;
  padding: 2.4rem;
  background-color: #1565c0;
  border-radius: 1.5rem;
}
@media (min-width: 768px) {
  .product-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 2.6rem 3rem;
  }
}
.product-cta__title {
  font-family: "Playfair Display", "Noto Serif SC", Georgia, serif;
  font-size: 1.55rem;
  font-weight: 700;
  color: #fff;
}
.product-cta__desc {
  margin-top: 0.5rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.72);
}